17c478bd9Sstevel@tonic-gate /* 27c478bd9Sstevel@tonic-gate * CDDL HEADER START 37c478bd9Sstevel@tonic-gate * 47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5100b72f4Sandrei * Common Development and Distribution License (the "License"). 6100b72f4Sandrei * You may not use this file except in compliance with the License. 77c478bd9Sstevel@tonic-gate * 87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 117c478bd9Sstevel@tonic-gate * and limitations under the License. 127c478bd9Sstevel@tonic-gate * 137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 187c478bd9Sstevel@tonic-gate * 197c478bd9Sstevel@tonic-gate * CDDL HEADER END 207c478bd9Sstevel@tonic-gate */ 217c478bd9Sstevel@tonic-gate /* 227aec1d6eScindi * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate #include <sys/types.h> 297c478bd9Sstevel@tonic-gate #include <sys/t_lock.h> 307c478bd9Sstevel@tonic-gate #include <sys/param.h> 317c478bd9Sstevel@tonic-gate #include <sys/sysmacros.h> 327c478bd9Sstevel@tonic-gate #include <sys/signal.h> 337c478bd9Sstevel@tonic-gate #include <sys/systm.h> 347c478bd9Sstevel@tonic-gate #include <sys/user.h> 357c478bd9Sstevel@tonic-gate #include <sys/mman.h> 367c478bd9Sstevel@tonic-gate #include <sys/vm.h> 377c478bd9Sstevel@tonic-gate #include <sys/conf.h> 387c478bd9Sstevel@tonic-gate #include <sys/avintr.h> 397c478bd9Sstevel@tonic-gate #include <sys/autoconf.h> 407c478bd9Sstevel@tonic-gate #include <sys/disp.h> 417c478bd9Sstevel@tonic-gate #include <sys/class.h> 427c478bd9Sstevel@tonic-gate #include <sys/bitmap.h> 437c478bd9Sstevel@tonic-gate 447c478bd9Sstevel@tonic-gate #include <sys/privregs.h> 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate #include <sys/proc.h> 477c478bd9Sstevel@tonic-gate #include <sys/buf.h> 487c478bd9Sstevel@tonic-gate #include <sys/kmem.h> 497c478bd9Sstevel@tonic-gate #include <sys/kstat.h> 507c478bd9Sstevel@tonic-gate 517c478bd9Sstevel@tonic-gate #include <sys/reboot.h> 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate #include <sys/cred.h> 547c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 557c478bd9Sstevel@tonic-gate #include <sys/file.h> 567c478bd9Sstevel@tonic-gate 577c478bd9Sstevel@tonic-gate #include <sys/procfs.h> 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 607c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 617c478bd9Sstevel@tonic-gate #include <sys/utsname.h> 627c478bd9Sstevel@tonic-gate #include <sys/debug.h> 637c478bd9Sstevel@tonic-gate #include <sys/kdi.h> 647c478bd9Sstevel@tonic-gate 657c478bd9Sstevel@tonic-gate #include <sys/dumphdr.h> 667c478bd9Sstevel@tonic-gate #include <sys/bootconf.h> 677c478bd9Sstevel@tonic-gate #include <sys/varargs.h> 687c478bd9Sstevel@tonic-gate #include <sys/promif.h> 697c478bd9Sstevel@tonic-gate #include <sys/modctl.h> /* for "procfs" hack */ 707c478bd9Sstevel@tonic-gate 717c478bd9Sstevel@tonic-gate #include <sys/sunddi.h> 727c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 737c478bd9Sstevel@tonic-gate #include <sys/ndi_impldefs.h> 747c478bd9Sstevel@tonic-gate #include <sys/ddidmareq.h> 757c478bd9Sstevel@tonic-gate #include <sys/psw.h> 767c478bd9Sstevel@tonic-gate #include <sys/regset.h> 777c478bd9Sstevel@tonic-gate #include <sys/clock.h> 787c478bd9Sstevel@tonic-gate #include <sys/pte.h> 797c478bd9Sstevel@tonic-gate #include <sys/tss.h> 807c478bd9Sstevel@tonic-gate #include <sys/stack.h> 817c478bd9Sstevel@tonic-gate #include <sys/trap.h> 827c478bd9Sstevel@tonic-gate #include <sys/fp.h> 837c478bd9Sstevel@tonic-gate #include <vm/anon.h> 847c478bd9Sstevel@tonic-gate #include <vm/as.h> 857c478bd9Sstevel@tonic-gate #include <vm/page.h> 867c478bd9Sstevel@tonic-gate #include <vm/seg.h> 877c478bd9Sstevel@tonic-gate #include <vm/seg_dev.h> 887c478bd9Sstevel@tonic-gate #include <vm/seg_kmem.h> 897c478bd9Sstevel@tonic-gate #include <vm/seg_kpm.h> 907c478bd9Sstevel@tonic-gate #include <vm/seg_map.h> 917c478bd9Sstevel@tonic-gate #include <vm/seg_vn.h> 927c478bd9Sstevel@tonic-gate #include <vm/seg_kp.h> 937c478bd9Sstevel@tonic-gate #include <sys/memnode.h> 947c478bd9Sstevel@tonic-gate #include <vm/vm_dep.h> 957c478bd9Sstevel@tonic-gate #include <sys/thread.h> 967c478bd9Sstevel@tonic-gate #include <sys/sysconf.h> 977c478bd9Sstevel@tonic-gate #include <sys/vm_machparam.h> 987c478bd9Sstevel@tonic-gate #include <sys/archsystm.h> 997c478bd9Sstevel@tonic-gate #include <sys/machsystm.h> 1007c478bd9Sstevel@tonic-gate #include <vm/hat.h> 1017c478bd9Sstevel@tonic-gate #include <vm/hat_i86.h> 1027c478bd9Sstevel@tonic-gate #include <sys/pmem.h> 1037c478bd9Sstevel@tonic-gate #include <sys/smp_impldefs.h> 1047c478bd9Sstevel@tonic-gate #include <sys/x86_archext.h> 1057c478bd9Sstevel@tonic-gate #include <sys/segments.h> 1067c478bd9Sstevel@tonic-gate #include <sys/clconf.h> 1077c478bd9Sstevel@tonic-gate #include <sys/kobj.h> 1087c478bd9Sstevel@tonic-gate #include <sys/kobj_lex.h> 1097c478bd9Sstevel@tonic-gate #include <sys/cpc_impl.h> 1107c478bd9Sstevel@tonic-gate #include <sys/chip.h> 1117c478bd9Sstevel@tonic-gate #include <sys/x86_archext.h> 1127aec1d6eScindi #include <sys/cpu_module.h> 11384ab085aSmws #include <sys/smbios.h> 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate extern void progressbar_init(void); 1167c478bd9Sstevel@tonic-gate extern void progressbar_start(void); 117*9acbbeafSnn extern void brand_init(void); 1187c478bd9Sstevel@tonic-gate 1197c478bd9Sstevel@tonic-gate /* 1207c478bd9Sstevel@tonic-gate * XXX make declaration below "static" when drivers no longer use this 1217c478bd9Sstevel@tonic-gate * interface. 1227c478bd9Sstevel@tonic-gate */ 1237c478bd9Sstevel@tonic-gate extern caddr_t p0_va; /* Virtual address for accessing physical page 0 */ 1247c478bd9Sstevel@tonic-gate 1257c478bd9Sstevel@tonic-gate /* 1267c478bd9Sstevel@tonic-gate * segkp 1277c478bd9Sstevel@tonic-gate */ 1287c478bd9Sstevel@tonic-gate extern int segkp_fromheap; 1297c478bd9Sstevel@tonic-gate 1307c478bd9Sstevel@tonic-gate static void kvm_init(void); 1317c478bd9Sstevel@tonic-gate static void startup_init(void); 1327c478bd9Sstevel@tonic-gate static void startup_memlist(void); 1337c478bd9Sstevel@tonic-gate static void startup_modules(void); 1347c478bd9Sstevel@tonic-gate static void startup_bop_gone(void); 1357c478bd9Sstevel@tonic-gate static void startup_vm(void); 1367c478bd9Sstevel@tonic-gate static void startup_end(void); 1377c478bd9Sstevel@tonic-gate 1387c478bd9Sstevel@tonic-gate /* 1397c478bd9Sstevel@tonic-gate * Declare these as initialized data so we can patch them. 1407c478bd9Sstevel@tonic-gate */ 141f53ad214Skchow #ifdef __i386 142f53ad214Skchow /* 143f53ad214Skchow * Due to virtual address space limitations running in 32 bit mode, restrict 144f53ad214Skchow * the amount of physical memory configured to a max of PHYSMEM32 pages (16g). 145f53ad214Skchow * 146f53ad214Skchow * If the physical max memory size of 64g were allowed to be configured, the 147f53ad214Skchow * size of user virtual address space will be less than 1g. A limited user 148f53ad214Skchow * address space greatly reduces the range of applications that can run. 149f53ad214Skchow * 150f53ad214Skchow * If more physical memory than PHYSMEM32 is required, users should preferably 151f53ad214Skchow * run in 64 bit mode which has no virtual address space limitation issues. 152f53ad214Skchow * 153f53ad214Skchow * If 64 bit mode is not available (as in IA32) and/or more physical memory 154f53ad214Skchow * than PHYSMEM32 is required in 32 bit mode, physmem can be set to the desired 155f53ad214Skchow * value or to 0 (to configure all available memory) via eeprom(1M). kernelbase 156f53ad214Skchow * should also be carefully tuned to balance out the need of the user 157f53ad214Skchow * application while minimizing the risk of kernel heap exhaustion due to 158f53ad214Skchow * kernelbase being set too high. 159f53ad214Skchow */ 160f53ad214Skchow #define PHYSMEM32 0x400000 161f53ad214Skchow 162f53ad214Skchow pgcnt_t physmem = PHYSMEM32; 163f53ad214Skchow #else 1647c478bd9Sstevel@tonic-gate pgcnt_t physmem = 0; /* memory size in pages, patch if you want less */ 165f53ad214Skchow #endif 1667c478bd9Sstevel@tonic-gate pgcnt_t obp_pages; /* Memory used by PROM for its text and data */ 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate char *kobj_file_buf; 1697c478bd9Sstevel@tonic-gate int kobj_file_bufsize; /* set in /etc/system */ 1707c478bd9Sstevel@tonic-gate 1717c478bd9Sstevel@tonic-gate /* Global variables for MP support. Used in mp_startup */ 1727c478bd9Sstevel@tonic-gate caddr_t rm_platter_va; 1737c478bd9Sstevel@tonic-gate uint32_t rm_platter_pa; 1747c478bd9Sstevel@tonic-gate 17583f9b804Skchow int auto_lpg_disable = 1; 17683f9b804Skchow 1777c478bd9Sstevel@tonic-gate /* 1787c478bd9Sstevel@tonic-gate * Some CPUs have holes in the middle of the 64-bit virtual address range. 1797c478bd9Sstevel@tonic-gate */ 1807c478bd9Sstevel@tonic-gate uintptr_t hole_start, hole_end; 1817c478bd9Sstevel@tonic-gate 1827c478bd9Sstevel@tonic-gate /* 1837c478bd9Sstevel@tonic-gate * kpm mapping window 1847c478bd9Sstevel@tonic-gate */ 1857c478bd9Sstevel@tonic-gate caddr_t kpm_vbase; 1867c478bd9Sstevel@tonic-gate size_t kpm_size; 1877c478bd9Sstevel@tonic-gate static int kpm_desired = 0; /* Do we want to try to use segkpm? */ 1887c478bd9Sstevel@tonic-gate 1897c478bd9Sstevel@tonic-gate /* 1907c478bd9Sstevel@tonic-gate * VA range that must be preserved for boot until we release all of its 1917c478bd9Sstevel@tonic-gate * mappings. 1927c478bd9Sstevel@tonic-gate */ 1937c478bd9Sstevel@tonic-gate #if defined(__amd64) 1947c478bd9Sstevel@tonic-gate static void *kmem_setaside; 1957c478bd9Sstevel@tonic-gate #endif 1967c478bd9Sstevel@tonic-gate 1977c478bd9Sstevel@tonic-gate /* 1987c478bd9Sstevel@tonic-gate * Configuration parameters set at boot time. 1997c478bd9Sstevel@tonic-gate */ 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate caddr_t econtig; /* end of first block of contiguous kernel */ 2027c478bd9Sstevel@tonic-gate 2037c478bd9Sstevel@tonic-gate struct bootops *bootops = 0; /* passed in from boot */ 2047c478bd9Sstevel@tonic-gate struct bootops **bootopsp; 2057c478bd9Sstevel@tonic-gate struct boot_syscalls *sysp; /* passed in from boot */ 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate char bootblock_fstype[16]; 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate char kern_bootargs[OBP_MAXPATHLEN]; 2107c478bd9Sstevel@tonic-gate 2117c478bd9Sstevel@tonic-gate /* 2127c478bd9Sstevel@tonic-gate * new memory fragmentations are possible in startup() due to BOP_ALLOCs. this 2137c478bd9Sstevel@tonic-gate * depends on number of BOP_ALLOC calls made and requested size, memory size 2147c478bd9Sstevel@tonic-gate * combination and whether boot.bin memory needs to be freed. 2157c478bd9Sstevel@tonic-gate */ 2167c478bd9Sstevel@tonic-gate #define POSS_NEW_FRAGMENTS 12 2177c478bd9Sstevel@tonic-gate 2187c478bd9Sstevel@tonic-gate /* 2197c478bd9Sstevel@tonic-gate * VM data structures 2207c478bd9Sstevel@tonic-gate */ 2217c478bd9Sstevel@tonic-gate long page_hashsz; /* Size of page hash table (power of two) */ 2227c478bd9Sstevel@tonic-gate struct page *pp_base; /* Base of initial system page struct array */ 2237c478bd9Sstevel@tonic-gate struct page **page_hash; /* Page hash table */ 2247c478bd9Sstevel@tonic-gate struct seg ktextseg; /* Segment used for kernel executable image */ 2257c478bd9Sstevel@tonic-gate struct seg kvalloc; /* Segment used for "valloc" mapping */ 2267c478bd9Sstevel@tonic-gate struct seg kpseg; /* Segment used for pageable kernel virt mem */ 2277c478bd9Sstevel@tonic-gate struct seg kmapseg; /* Segment used for generic kernel mappings */ 2287c478bd9Sstevel@tonic-gate struct seg kdebugseg; /* Segment used for the kernel debugger */ 2297c478bd9Sstevel@tonic-gate 2307c478bd9Sstevel@tonic-gate struct seg *segkmap = &kmapseg; /* Kernel generic mapping segment */ 2317c478bd9Sstevel@tonic-gate struct seg *segkp = &kpseg; /* Pageable kernel virtual memory segment */ 2327c478bd9Sstevel@tonic-gate 2337c478bd9Sstevel@tonic-gate #if defined(__amd64) 2347c478bd9Sstevel@tonic-gate struct seg kvseg_core; /* Segment used for the core heap */ 2357c478bd9Sstevel@tonic-gate struct seg kpmseg; /* Segment used for physical mapping */ 2367c478bd9Sstevel@tonic-gate struct seg *segkpm = &kpmseg; /* 64bit kernel physical mapping segment */ 2377c478bd9Sstevel@tonic-gate #else 2387c478bd9Sstevel@tonic-gate struct seg *segkpm = NULL; /* Unused on IA32 */ 2397c478bd9Sstevel@tonic-gate #endif 2407c478bd9Sstevel@tonic-gate 2417c478bd9Sstevel@tonic-gate caddr_t segkp_base; /* Base address of segkp */ 2427c478bd9Sstevel@tonic-gate #if defined(__amd64) 2437c478bd9Sstevel@tonic-gate pgcnt_t segkpsize = btop(SEGKPDEFSIZE); /* size of segkp segment in pages */ 2447c478bd9Sstevel@tonic-gate #else 2457c478bd9Sstevel@tonic-gate pgcnt_t segkpsize = 0; 2467c478bd9Sstevel@tonic-gate #endif 2477c478bd9Sstevel@tonic-gate 2487c478bd9Sstevel@tonic-gate struct memseg *memseg_base; 2497c478bd9Sstevel@tonic-gate struct vnode unused_pages_vp; 2507c478bd9Sstevel@tonic-gate 2517c478bd9Sstevel@tonic-gate #define FOURGB 0x100000000LL 2527c478bd9Sstevel@tonic-gate 2537c478bd9Sstevel@tonic-gate struct memlist *memlist; 2547c478bd9Sstevel@tonic-gate 2557c478bd9Sstevel@tonic-gate caddr_t s_text; /* start of kernel text segment */ 2567c478bd9Sstevel@tonic-gate caddr_t e_text; /* end of kernel text segment */ 2577c478bd9Sstevel@tonic-gate caddr_t s_data; /* start of kernel data segment */ 2587c478bd9Sstevel@tonic-gate caddr_t e_data; /* end of kernel data segment */ 2597c478bd9Sstevel@tonic-gate caddr_t modtext; /* start of loadable module text reserved */ 2607c478bd9Sstevel@tonic-gate caddr_t e_modtext; /* end of loadable module text reserved */ 2617c478bd9Sstevel@tonic-gate caddr_t moddata; /* start of loadable module data reserved */ 2627c478bd9Sstevel@tonic-gate caddr_t e_moddata; /* end of loadable module data reserved */ 2637c478bd9Sstevel@tonic-gate 2647c478bd9Sstevel@tonic-gate struct memlist *phys_install; /* Total installed physical memory */ 2657c478bd9Sstevel@tonic-gate struct memlist *phys_avail; /* Total available physical memory */ 2667c478bd9Sstevel@tonic-gate 2677c478bd9Sstevel@tonic-gate static void memlist_add(uint64_t, uint64_t, struct memlist *, 2687c478bd9Sstevel@tonic-gate struct memlist **); 2697c478bd9Sstevel@tonic-gate 2707c478bd9Sstevel@tonic-gate /* 2717c478bd9Sstevel@tonic-gate * kphysm_init returns the number of pages that were processed 2727c478bd9Sstevel@tonic-gate */ 2737c478bd9Sstevel@tonic-gate static pgcnt_t kphysm_init(page_t *, struct memseg *, pgcnt_t, pgcnt_t); 2747c478bd9Sstevel@tonic-gate 2757c478bd9Sstevel@tonic-gate #define IO_PROP_SIZE 64 /* device property size */ 2767c478bd9Sstevel@tonic-gate 2777c478bd9Sstevel@tonic-gate /* 2787c478bd9Sstevel@tonic-gate * a couple useful roundup macros 2797c478bd9Sstevel@tonic-gate */ 2807c478bd9Sstevel@tonic-gate #define ROUND_UP_PAGE(x) \ 2817c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), (uintptr_t)MMU_PAGESIZE)) 2827c478bd9Sstevel@tonic-gate #define ROUND_UP_LPAGE(x) \ 2837c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), mmu.level_size[1])) 2847c478bd9Sstevel@tonic-gate #define ROUND_UP_4MEG(x) \ 2857c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), (uintptr_t)FOURMB_PAGESIZE)) 2867c478bd9Sstevel@tonic-gate #define ROUND_UP_TOPLEVEL(x) \ 2877c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), mmu.level_size[mmu.max_level])) 2887c478bd9Sstevel@tonic-gate 2897c478bd9Sstevel@tonic-gate /* 2907c478bd9Sstevel@tonic-gate * 32-bit Kernel's Virtual memory layout. 2917c478bd9Sstevel@tonic-gate * +-----------------------+ 2927c478bd9Sstevel@tonic-gate * | psm 1-1 map | 2937c478bd9Sstevel@tonic-gate * | exec args area | 2947c478bd9Sstevel@tonic-gate * 0xFFC00000 -|-----------------------|- ARGSBASE 2957c478bd9Sstevel@tonic-gate * | debugger | 2967c478bd9Sstevel@tonic-gate * 0xFF800000 -|-----------------------|- SEGDEBUGBASE 2977c478bd9Sstevel@tonic-gate * | Kernel Data | 2987c478bd9Sstevel@tonic-gate * 0xFEC00000 -|-----------------------| 2997c478bd9Sstevel@tonic-gate * | Kernel Text | 3007c478bd9Sstevel@tonic-gate * 0xFE800000 -|-----------------------|- KERNEL_TEXT 3017c478bd9Sstevel@tonic-gate * | LUFS sinkhole | 3027c478bd9Sstevel@tonic-gate * 0xFE000000 -|-----------------------|- lufs_addr 3037c478bd9Sstevel@tonic-gate * --- -|-----------------------|- valloc_base + valloc_sz 3047c478bd9Sstevel@tonic-gate * | early pp structures | 3057c478bd9Sstevel@tonic-gate * | memsegs, memlists, | 3067c478bd9Sstevel@tonic-gate * | page hash, etc. | 3077c478bd9Sstevel@tonic-gate * --- -|-----------------------|- valloc_base (floating) 3087c478bd9Sstevel@tonic-gate * | ptable_va | 3097c478bd9Sstevel@tonic-gate * 0xFDFFE000 -|-----------------------|- ekernelheap, ptable_va 3107c478bd9Sstevel@tonic-gate * | | (segkp is an arena under the heap) 3117c478bd9Sstevel@tonic-gate * | | 3127c478bd9Sstevel@tonic-gate * | kvseg | 3137c478bd9Sstevel@tonic-gate * | | 3147c478bd9Sstevel@tonic-gate * | | 3157c478bd9Sstevel@tonic-gate * --- -|-----------------------|- kernelheap (floating) 3167c478bd9Sstevel@tonic-gate * | Segkmap | 3177c478bd9Sstevel@tonic-gate * 0xC3002000 -|-----------------------|- segkmap_start (floating) 3187c478bd9Sstevel@tonic-gate * | Red Zone | 3197c478bd9Sstevel@tonic-gate * 0xC3000000 -|-----------------------|- kernelbase / userlimit (floating) 3207c478bd9Sstevel@tonic-gate * | | || 3217c478bd9Sstevel@tonic-gate * | Shared objects | \/ 3227c478bd9Sstevel@tonic-gate * | | 3237c478bd9Sstevel@tonic-gate * : : 3247c478bd9Sstevel@tonic-gate * | user data | 3257c478bd9Sstevel@tonic-gate * |-----------------------| 3267c478bd9Sstevel@tonic-gate * | user text | 3277c478bd9Sstevel@tonic-gate * 0x08048000 -|-----------------------| 3287c478bd9Sstevel@tonic-gate * | user stack | 3297c478bd9Sstevel@tonic-gate * : : 3307c478bd9Sstevel@tonic-gate * | invalid | 3317c478bd9Sstevel@tonic-gate * 0x00000000 +-----------------------+ 3327c478bd9Sstevel@tonic-gate * 3337c478bd9Sstevel@tonic-gate * 3347c478bd9Sstevel@tonic-gate * 64-bit Kernel's Virtual memory layout. (assuming 64 bit app) 3357c478bd9Sstevel@tonic-gate * +-----------------------+ 3367c478bd9Sstevel@tonic-gate * | psm 1-1 map | 3377c478bd9Sstevel@tonic-gate * | exec args area | 3387c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FFC00000 |-----------------------|- ARGSBASE 3397c478bd9Sstevel@tonic-gate * | debugger (?) | 3407c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FF800000 |-----------------------|- SEGDEBUGBASE 3417c478bd9Sstevel@tonic-gate * | unused | 3427c478bd9Sstevel@tonic-gate * +-----------------------+ 3437c478bd9Sstevel@tonic-gate * | Kernel Data | 3447c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FBC00000 |-----------------------| 3457c478bd9Sstevel@tonic-gate * | Kernel Text | 3467c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FB800000 |-----------------------|- KERNEL_TEXT 3477c478bd9Sstevel@tonic-gate * | LUFS sinkhole | 3487c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FB000000 -|-----------------------|- lufs_addr 3497c478bd9Sstevel@tonic-gate * --- |-----------------------|- valloc_base + valloc_sz 3507c478bd9Sstevel@tonic-gate * | early pp structures | 3517c478bd9Sstevel@tonic-gate * | memsegs, memlists, | 3527c478bd9Sstevel@tonic-gate * | page hash, etc. | 3537c478bd9Sstevel@tonic-gate * --- |-----------------------|- valloc_base 3547c478bd9Sstevel@tonic-gate * | ptable_va | 3557c478bd9Sstevel@tonic-gate * --- |-----------------------|- ptable_va 3567c478bd9Sstevel@tonic-gate * | Core heap | (used for loadable modules) 3577c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.C0000000 |-----------------------|- core_base / ekernelheap 3587c478bd9Sstevel@tonic-gate * | Kernel | 3597c478bd9Sstevel@tonic-gate * | heap | 3607c478bd9Sstevel@tonic-gate * 0xFFFFFXXX.XXX00000 |-----------------------|- kernelheap (floating) 3617c478bd9Sstevel@tonic-gate * | segkmap | 3627c478bd9Sstevel@tonic-gate * 0xFFFFFXXX.XXX00000 |-----------------------|- segkmap_start (floating) 3637c478bd9Sstevel@tonic-gate * | device mappings | 3647c478bd9Sstevel@tonic-gate * 0xFFFFFXXX.XXX00000 |-----------------------|- toxic_addr (floating) 3657c478bd9Sstevel@tonic-gate * | segkp | 3667c478bd9Sstevel@tonic-gate * --- |-----------------------|- segkp_base 3677c478bd9Sstevel@tonic-gate * | segkpm | 3687c478bd9Sstevel@tonic-gate * 0xFFFFFE00.00000000 |-----------------------| 3697c478bd9Sstevel@tonic-gate * | Red Zone | 3707c478bd9Sstevel@tonic-gate * 0xFFFFFD80.00000000 |-----------------------|- KERNELBASE 3717c478bd9Sstevel@tonic-gate * | User stack |- User space memory 3727c478bd9Sstevel@tonic-gate * | | 3737c478bd9Sstevel@tonic-gate * | shared objects, etc | (grows downwards) 3747c478bd9Sstevel@tonic-gate * : : 3757c478bd9Sstevel@tonic-gate * | | 3767c478bd9Sstevel@tonic-gate * 0xFFFF8000.00000000 |-----------------------| 3777c478bd9Sstevel@tonic-gate * | | 3787c478bd9Sstevel@tonic-gate * | VA Hole / unused | 3797c478bd9Sstevel@tonic-gate * | | 3807c478bd9Sstevel@tonic-gate * 0x00008000.00000000 |-----------------------| 3817c478bd9Sstevel@tonic-gate * | | 3827c478bd9Sstevel@tonic-gate * | | 3837c478bd9Sstevel@tonic-gate * : : 3847c478bd9Sstevel@tonic-gate * | user heap | (grows upwards) 3857c478bd9Sstevel@tonic-gate * | | 3867c478bd9Sstevel@tonic-gate * | user data | 3877c478bd9Sstevel@tonic-gate * |-----------------------| 3887c478bd9Sstevel@tonic-gate * | user text | 3897c478bd9Sstevel@tonic-gate * 0x00000000.04000000 |-----------------------| 3907c478bd9Sstevel@tonic-gate * | invalid | 3917c478bd9Sstevel@tonic-gate * 0x00000000.00000000 +-----------------------+ 3927c478bd9Sstevel@tonic-gate * 3937c478bd9Sstevel@tonic-gate * A 32 bit app on the 64 bit kernel sees the same layout as on the 32 bit 3947c478bd9Sstevel@tonic-gate * kernel, except that userlimit is raised to 0xfe000000 3957c478bd9Sstevel@tonic-gate * 3967c478bd9Sstevel@tonic-gate * Floating values: 3977c478bd9Sstevel@tonic-gate * 3987c478bd9Sstevel@tonic-gate * valloc_base: start of the kernel's memory management/tracking data 3997c478bd9Sstevel@tonic-gate * structures. This region contains page_t structures for the lowest 4GB 4007c478bd9Sstevel@tonic-gate * of physical memory, memsegs, memlists, and the page hash. 4017c478bd9Sstevel@tonic-gate * 4027c478bd9Sstevel@tonic-gate * core_base: start of the kernel's "core" heap area on 64-bit systems. 4037c478bd9Sstevel@tonic-gate * This area is intended to be used for global data as well as for module 4047c478bd9Sstevel@tonic-gate * text/data that does not fit into the nucleus pages. The core heap is 4057c478bd9Sstevel@tonic-gate * restricted to a 2GB range, allowing every address within it to be 4067c478bd9Sstevel@tonic-gate * accessed using rip-relative addressing 4077c478bd9Sstevel@tonic-gate * 4087c478bd9Sstevel@tonic-gate * ekernelheap: end of kernelheap and start of segmap. 4097c478bd9Sstevel@tonic-gate * 4107c478bd9Sstevel@tonic-gate * kernelheap: start of kernel heap. On 32-bit systems, this starts right 4117c478bd9Sstevel@tonic-gate * above a red zone that separates the user's address space from the 4127c478bd9Sstevel@tonic-gate * kernel's. On 64-bit systems, it sits above segkp and segkpm. 4137c478bd9Sstevel@tonic-gate * 4147c478bd9Sstevel@tonic-gate * segkmap_start: start of segmap. The length of segmap can be modified 4157c478bd9Sstevel@tonic-gate * by changing segmapsize in /etc/system (preferred) or eeprom (deprecated). 4167c478bd9Sstevel@tonic-gate * The default length is 16MB on 32-bit systems and 64MB on 64-bit systems. 4177c478bd9Sstevel@tonic-gate * 4187c478bd9Sstevel@tonic-gate * kernelbase: On a 32-bit kernel the default value of 0xd4000000 will be 4197c478bd9Sstevel@tonic-gate * decreased by 2X the size required for page_t. This allows the kernel 4207c478bd9Sstevel@tonic-gate * heap to grow in size with physical memory. With sizeof(page_t) == 80 4217c478bd9Sstevel@tonic-gate * bytes, the following shows the values of kernelbase and kernel heap 4227c478bd9Sstevel@tonic-gate * sizes for different memory configurations (assuming default segmap and 4237c478bd9Sstevel@tonic-gate * segkp sizes). 4247c478bd9Sstevel@tonic-gate * 4257c478bd9Sstevel@tonic-gate * mem size for kernelbase kernel heap 4267c478bd9Sstevel@tonic-gate * size page_t's size 4277c478bd9Sstevel@tonic-gate * ---- --------- ---------- ----------- 4287c478bd9Sstevel@tonic-gate * 1gb 0x01400000 0xd1800000 684MB 4297c478bd9Sstevel@tonic-gate * 2gb 0x02800000 0xcf000000 704MB 4307c478bd9Sstevel@tonic-gate * 4gb 0x05000000 0xca000000 744MB 4317c478bd9Sstevel@tonic-gate * 6gb 0x07800000 0xc5000000 784MB 4327c478bd9Sstevel@tonic-gate * 8gb 0x0a000000 0xc0000000 824MB 4337c478bd9Sstevel@tonic-gate * 16gb 0x14000000 0xac000000 984MB 4347c478bd9Sstevel@tonic-gate * 32gb 0x28000000 0x84000000 1304MB 4357c478bd9Sstevel@tonic-gate * 64gb 0x50000000 0x34000000 1944MB (*) 4367c478bd9Sstevel@tonic-gate * 4377c478bd9Sstevel@tonic-gate * kernelbase is less than the abi minimum of 0xc0000000 for memory 4387c478bd9Sstevel@tonic-gate * configurations above 8gb. 4397c478bd9Sstevel@tonic-gate * 4407c478bd9Sstevel@tonic-gate * (*) support for memory configurations above 32gb will require manual tuning 4417c478bd9Sstevel@tonic-gate * of kernelbase to balance out the need of user applications. 4427c478bd9Sstevel@tonic-gate */ 4437c478bd9Sstevel@tonic-gate 4447c478bd9Sstevel@tonic-gate /* real-time-clock initialization parameters */ 4457c478bd9Sstevel@tonic-gate long gmt_lag; /* offset in seconds of gmt to local time */ 4467c478bd9Sstevel@tonic-gate extern long process_rtc_config_file(void); 4477c478bd9Sstevel@tonic-gate 4487c478bd9Sstevel@tonic-gate char *final_kernelheap; 4497c478bd9Sstevel@tonic-gate char *boot_kernelheap; 4507c478bd9Sstevel@tonic-gate uintptr_t kernelbase; 4517c478bd9Sstevel@tonic-gate uintptr_t eprom_kernelbase; 4527c478bd9Sstevel@tonic-gate size_t segmapsize; 4537c478bd9Sstevel@tonic-gate static uintptr_t segmap_reserved; 4547c478bd9Sstevel@tonic-gate uintptr_t segkmap_start; 4557c478bd9Sstevel@tonic-gate int segmapfreelists; 4567c478bd9Sstevel@tonic-gate pgcnt_t boot_npages; 4577c478bd9Sstevel@tonic-gate pgcnt_t npages; 4587c478bd9Sstevel@tonic-gate size_t core_size; /* size of "core" heap */ 4597c478bd9Sstevel@tonic-gate uintptr_t core_base; /* base address of "core" heap */ 4607c478bd9Sstevel@tonic-gate 4617c478bd9Sstevel@tonic-gate /* 4627c478bd9Sstevel@tonic-gate * List of bootstrap pages. We mark these as allocated in startup. 4637c478bd9Sstevel@tonic-gate * release_bootstrap() will free them when we're completely done with 4647c478bd9Sstevel@tonic-gate * the bootstrap. 4657c478bd9Sstevel@tonic-gate */ 4667c478bd9Sstevel@tonic-gate static page_t *bootpages, *rd_pages; 4677c478bd9Sstevel@tonic-gate 4687c478bd9Sstevel@tonic-gate struct system_hardware system_hardware; 4697c478bd9Sstevel@tonic-gate 4707c478bd9Sstevel@tonic-gate /* 4717c478bd9Sstevel@tonic-gate * Enable some debugging messages concerning memory usage... 4727c478bd9Sstevel@tonic-gate * 4737c478bd9Sstevel@tonic-gate * XX64 There should only be one print routine once memlist usage between 4747c478bd9Sstevel@tonic-gate * vmx and the kernel is cleaned up and there is a single memlist structure 4757c478bd9Sstevel@tonic-gate * shared between kernel and boot. 4767c478bd9Sstevel@tonic-gate */ 4777c478bd9Sstevel@tonic-gate static void 4787c478bd9Sstevel@tonic-gate print_boot_memlist(char *title, struct memlist *mp) 4797c478bd9Sstevel@tonic-gate { 4807c478bd9Sstevel@tonic-gate prom_printf("MEMLIST: %s:\n", title); 4817c478bd9Sstevel@tonic-gate while (mp != NULL) { 4827c478bd9Sstevel@tonic-gate prom_printf("\tAddress 0x%" PRIx64 ", size 0x%" PRIx64 "\n", 4837c478bd9Sstevel@tonic-gate mp->address, mp->size); 4847c478bd9Sstevel@tonic-gate mp = mp->next; 4857c478bd9Sstevel@tonic-gate } 4867c478bd9Sstevel@tonic-gate } 4877c478bd9Sstevel@tonic-gate 4887c478bd9Sstevel@tonic-gate static void 4897c478bd9Sstevel@tonic-gate print_kernel_memlist(char *title, struct memlist *mp) 4907c478bd9Sstevel@tonic-gate { 4917c478bd9Sstevel@tonic-gate prom_printf("MEMLIST: %s:\n", title); 4927c478bd9Sstevel@tonic-gate while (mp != NULL) { 4937c478bd9Sstevel@tonic-gate prom_printf("\tAddress 0x%" PRIx64 ", size 0x%" PRIx64 "\n", 4947c478bd9Sstevel@tonic-gate mp->address, mp->size); 4957c478bd9Sstevel@tonic-gate mp = mp->next; 4967c478bd9Sstevel@tonic-gate } 4977c478bd9Sstevel@tonic-gate } 4987c478bd9Sstevel@tonic-gate 4997c478bd9Sstevel@tonic-gate /* 5007c478bd9Sstevel@tonic-gate * XX64 need a comment here.. are these just default values, surely 5017c478bd9Sstevel@tonic-gate * we read the "cpuid" type information to figure this out. 5027c478bd9Sstevel@tonic-gate */ 5037c478bd9Sstevel@tonic-gate int l2cache_sz = 0x80000; 5047c478bd9Sstevel@tonic-gate int l2cache_linesz = 0x40; 5057c478bd9Sstevel@tonic-gate int l2cache_assoc = 1; 5067c478bd9Sstevel@tonic-gate 5077c478bd9Sstevel@tonic-gate /* 5087c478bd9Sstevel@tonic-gate * on 64 bit we use a predifined VA range for mapping devices in the kernel 5097c478bd9Sstevel@tonic-gate * on 32 bit the mappings are intermixed in the heap, so we use a bit map 5107c478bd9Sstevel@tonic-gate */ 5117c478bd9Sstevel@tonic-gate #ifdef __amd64 5127c478bd9Sstevel@tonic-gate 5137c478bd9Sstevel@tonic-gate vmem_t *device_arena; 5147c478bd9Sstevel@tonic-gate uintptr_t toxic_addr = (uintptr_t)NULL; 5157c478bd9Sstevel@tonic-gate size_t toxic_size = 1 * 1024 * 1024 * 1024; /* Sparc uses 1 gig too */ 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate #else /* __i386 */ 5187c478bd9Sstevel@tonic-gate 5197c478bd9Sstevel@tonic-gate ulong_t *toxic_bit_map; /* one bit for each 4k of VA in heap_arena */ 5207c478bd9Sstevel@tonic-gate size_t toxic_bit_map_len = 0; /* in bits */ 5217c478bd9Sstevel@tonic-gate 5227c478bd9Sstevel@tonic-gate #endif /* __i386 */ 5237c478bd9Sstevel@tonic-gate 5247c478bd9Sstevel@tonic-gate /* 5257c478bd9Sstevel@tonic-gate * Simple boot time debug facilities 5267c478bd9Sstevel@tonic-gate */ 5277c478bd9Sstevel@tonic-gate static char *prm_dbg_str[] = { 5287c478bd9Sstevel@tonic-gate "%s:%d: '%s' is 0x%x\n", 5297c478bd9Sstevel@tonic-gate "%s:%d: '%s' is 0x%llx\n" 5307c478bd9Sstevel@tonic-gate }; 5317c478bd9Sstevel@tonic-gate 5327c478bd9Sstevel@tonic-gate int prom_debug; 5337c478bd9Sstevel@tonic-gate 5347c478bd9Sstevel@tonic-gate #define PRM_DEBUG(q) if (prom_debug) \ 5357c478bd9Sstevel@tonic-gate prom_printf(prm_dbg_str[sizeof (q) >> 3], "startup.c", __LINE__, #q, q); 5367c478bd9Sstevel@tonic-gate #define PRM_POINT(q) if (prom_debug) \ 5377c478bd9Sstevel@tonic-gate prom_printf("%s:%d: %s\n", "startup.c", __LINE__, q); 5387c478bd9Sstevel@tonic-gate 5397c478bd9Sstevel@tonic-gate /* 5407c478bd9Sstevel@tonic-gate * This structure is used to keep track of the intial allocations 5417c478bd9Sstevel@tonic-gate * done in startup_memlist(). The value of NUM_ALLOCATIONS needs to 5427c478bd9Sstevel@tonic-gate * be >= the number of ADD_TO_ALLOCATIONS() executed in the code. 5437c478bd9Sstevel@tonic-gate */ 5447c478bd9Sstevel@tonic-gate #define NUM_ALLOCATIONS 7 5457c478bd9Sstevel@tonic-gate int num_allocations = 0; 5467c478bd9Sstevel@tonic-gate struct { 5477c478bd9Sstevel@tonic-gate void **al_ptr; 5487c478bd9Sstevel@tonic-gate size_t al_size; 5497c478bd9Sstevel@tonic-gate } allocations[NUM_ALLOCATIONS]; 5507c478bd9Sstevel@tonic-gate size_t valloc_sz = 0; 5517c478bd9Sstevel@tonic-gate uintptr_t valloc_base; 5527c478bd9Sstevel@tonic-gate extern uintptr_t ptable_va; 5537c478bd9Sstevel@tonic-gate extern size_t ptable_sz; 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate #define ADD_TO_ALLOCATIONS(ptr, size) { \ 5567c478bd9Sstevel@tonic-gate size = ROUND_UP_PAGE(size); \ 5577c478bd9Sstevel@tonic-gate if (num_allocations == NUM_ALLOCATIONS) \ 5587c478bd9Sstevel@tonic-gate panic("too many ADD_TO_ALLOCATIONS()"); \ 5597c478bd9Sstevel@tonic-gate allocations[num_allocations].al_ptr = (void**)&ptr; \ 5607c478bd9Sstevel@tonic-gate allocations[num_allocations].al_size = size; \ 5617c478bd9Sstevel@tonic-gate valloc_sz += size; \ 5627c478bd9Sstevel@tonic-gate ++num_allocations; \ 5637c478bd9Sstevel@tonic-gate } 5647c478bd9Sstevel@tonic-gate 5657c478bd9Sstevel@tonic-gate static void 5667c478bd9Sstevel@tonic-gate perform_allocations(void) 5677c478bd9Sstevel@tonic-gate { 5687c478bd9Sstevel@tonic-gate caddr_t mem; 5697c478bd9Sstevel@tonic-gate int i; 5707c478bd9Sstevel@tonic-gate 5717c478bd9Sstevel@tonic-gate mem = BOP_ALLOC(bootops, (caddr_t)valloc_base, valloc_sz, BO_NO_ALIGN); 5727c478bd9Sstevel@tonic-gate if (mem != (caddr_t)valloc_base) 5737c478bd9Sstevel@tonic-gate panic("BOP_ALLOC() failed"); 5747c478bd9Sstevel@tonic-gate bzero(mem, valloc_sz); 5757c478bd9Sstevel@tonic-gate for (i = 0; i < num_allocations; ++i) { 5767c478bd9Sstevel@tonic-gate *allocations[i].al_ptr = (void *)mem; 5777c478bd9Sstevel@tonic-gate mem += allocations[i].al_size; 5787c478bd9Sstevel@tonic-gate } 5797c478bd9Sstevel@tonic-gate } 5807c478bd9Sstevel@tonic-gate 5817c478bd9Sstevel@tonic-gate /* 5827c478bd9Sstevel@tonic-gate * Our world looks like this at startup time. 5837c478bd9Sstevel@tonic-gate * 5847c478bd9Sstevel@tonic-gate * In a 32-bit OS, boot loads the kernel text at 0xfe800000 and kernel data 5857c478bd9Sstevel@tonic-gate * at 0xfec00000. On a 64-bit OS, kernel text and data are loaded at 5867c478bd9Sstevel@tonic-gate * 0xffffffff.fe800000 and 0xffffffff.fec00000 respectively. Those 5877c478bd9Sstevel@tonic-gate * addresses are fixed in the binary at link time. 5887c478bd9Sstevel@tonic-gate * 5897c478bd9Sstevel@tonic-gate * On the text page: 5907c478bd9Sstevel@tonic-gate * unix/genunix/krtld/module text loads. 5917c478bd9Sstevel@tonic-gate * 5927c478bd9Sstevel@tonic-gate * On the data page: 5937c478bd9Sstevel@tonic-gate * unix/genunix/krtld/module data loads and space for page_t's. 5947c478bd9Sstevel@tonic-gate */ 5957c478bd9Sstevel@tonic-gate /* 5967c478bd9Sstevel@tonic-gate * Machine-dependent startup code 5977c478bd9Sstevel@tonic-gate */ 5987c478bd9Sstevel@tonic-gate void 5997c478bd9Sstevel@tonic-gate startup(void) 6007c478bd9Sstevel@tonic-gate { 60175bcd456Sjg extern void startup_bios_disk(void); 60275bcd456Sjg extern void startup_pci_bios(void); 6037c478bd9Sstevel@tonic-gate /* 6047c478bd9Sstevel@tonic-gate * Make sure that nobody tries to use sekpm until we have 6057c478bd9Sstevel@tonic-gate * initialized it properly. 6067c478bd9Sstevel@tonic-gate */ 6077c478bd9Sstevel@tonic-gate #if defined(__amd64) 6087c478bd9Sstevel@tonic-gate kpm_desired = kpm_enable; 6097c478bd9Sstevel@tonic-gate #endif 6107c478bd9Sstevel@tonic-gate kpm_enable = 0; 6117c478bd9Sstevel@tonic-gate 6127c478bd9Sstevel@tonic-gate progressbar_init(); 6137c478bd9Sstevel@tonic-gate startup_init(); 6147c478bd9Sstevel@tonic-gate startup_memlist(); 61575bcd456Sjg startup_pci_bios(); 6167c478bd9Sstevel@tonic-gate startup_modules(); 6177c478bd9Sstevel@tonic-gate startup_bios_disk(); 6187c478bd9Sstevel@tonic-gate startup_bop_gone(); 6197c478bd9Sstevel@tonic-gate startup_vm(); 6207c478bd9Sstevel@tonic-gate startup_end(); 6217c478bd9Sstevel@tonic-gate progressbar_start(); 6227c478bd9Sstevel@tonic-gate } 6237c478bd9Sstevel@tonic-gate 6247c478bd9Sstevel@tonic-gate static void 6257c478bd9Sstevel@tonic-gate startup_init() 6267c478bd9Sstevel@tonic-gate { 6277c478bd9Sstevel@tonic-gate PRM_POINT("startup_init() starting..."); 6287c478bd9Sstevel@tonic-gate 6297c478bd9Sstevel@tonic-gate /* 6307c478bd9Sstevel@tonic-gate * Complete the extraction of cpuid data 6317c478bd9Sstevel@tonic-gate */ 6327c478bd9Sstevel@tonic-gate cpuid_pass2(CPU); 6337c478bd9Sstevel@tonic-gate 6347c478bd9Sstevel@tonic-gate (void) check_boot_version(BOP_GETVERSION(bootops)); 6357c478bd9Sstevel@tonic-gate 6367c478bd9Sstevel@tonic-gate /* 6377c478bd9Sstevel@tonic-gate * Check for prom_debug in boot environment 6387c478bd9Sstevel@tonic-gate */ 6397c478bd9Sstevel@tonic-gate if (BOP_GETPROPLEN(bootops, "prom_debug") >= 0) { 6407c478bd9Sstevel@tonic-gate ++prom_debug; 6417c478bd9Sstevel@tonic-gate PRM_POINT("prom_debug found in boot enviroment"); 6427c478bd9Sstevel@tonic-gate } 6437c478bd9Sstevel@tonic-gate 6447c478bd9Sstevel@tonic-gate /* 6457c478bd9Sstevel@tonic-gate * Collect node, cpu and memory configuration information. 6467c478bd9Sstevel@tonic-gate */ 6477c478bd9Sstevel@tonic-gate get_system_configuration(); 6487c478bd9Sstevel@tonic-gate 6497c478bd9Sstevel@tonic-gate /* 6507c478bd9Sstevel@tonic-gate * Halt if this is an unsupported processor. 6517c478bd9Sstevel@tonic-gate */ 6527c478bd9Sstevel@tonic-gate if (x86_type == X86_TYPE_486 || x86_type == X86_TYPE_CYRIX_486) { 6537c478bd9Sstevel@tonic-gate printf("\n486 processor (\"%s\") detected.\n", 6547c478bd9Sstevel@tonic-gate CPU->cpu_brandstr); 6557c478bd9Sstevel@tonic-gate halt("This processor is not supported by this release " 6567c478bd9Sstevel@tonic-gate "of Solaris."); 6577c478bd9Sstevel@tonic-gate } 6587c478bd9Sstevel@tonic-gate 6597c478bd9Sstevel@tonic-gate PRM_POINT("startup_init() done"); 6607c478bd9Sstevel@tonic-gate } 6617c478bd9Sstevel@tonic-gate 6627c478bd9Sstevel@tonic-gate /* 6637c478bd9Sstevel@tonic-gate * Callback for copy_memlist_filter() to filter nucleus, kadb/kmdb, (ie. 6647c478bd9Sstevel@tonic-gate * everything mapped above KERNEL_TEXT) pages from phys_avail. Note it 6657c478bd9Sstevel@tonic-gate * also filters out physical page zero. There is some reliance on the 6667c478bd9Sstevel@tonic-gate * boot loader allocating only a few contiguous physical memory chunks. 6677c478bd9Sstevel@tonic-gate */ 6687c478bd9Sstevel@tonic-gate static void 6697c478bd9Sstevel@tonic-gate avail_filter(uint64_t *addr, uint64_t *size) 6707c478bd9Sstevel@tonic-gate { 6717c478bd9Sstevel@tonic-gate uintptr_t va; 6727c478bd9Sstevel@tonic-gate uintptr_t next_va; 6737c478bd9Sstevel@tonic-gate pfn_t pfn; 6747c478bd9Sstevel@tonic-gate uint64_t pfn_addr; 6757c478bd9Sstevel@tonic-gate uint64_t pfn_eaddr; 6767c478bd9Sstevel@tonic-gate uint_t prot; 6777c478bd9Sstevel@tonic-gate size_t len; 6787c478bd9Sstevel@tonic-gate uint_t change; 6797c478bd9Sstevel@tonic-gate 6807c478bd9Sstevel@tonic-gate if (prom_debug) 6817c478bd9Sstevel@tonic-gate prom_printf("\tFilter: in: a=%" PRIx64 ", s=%" PRIx64 "\n", 6827c478bd9Sstevel@tonic-gate *addr, *size); 6837c478bd9Sstevel@tonic-gate 6847c478bd9Sstevel@tonic-gate /* 6857c478bd9Sstevel@tonic-gate * page zero is required for BIOS.. never make it available 6867c478bd9Sstevel@tonic-gate */ 6877c478bd9Sstevel@tonic-gate if (*addr == 0) { 6887c478bd9Sstevel@tonic-gate *addr += MMU_PAGESIZE; 6897c478bd9Sstevel@tonic-gate *size -= MMU_PAGESIZE; 6907c478bd9Sstevel@tonic-gate } 6917c478bd9Sstevel@tonic-gate 6927c478bd9Sstevel@tonic-gate /* 6937c478bd9Sstevel@tonic-gate * First we trim from the front of the range. Since hat_boot_probe() 6947c478bd9Sstevel@tonic-gate * walks ranges in virtual order, but addr/size are physical, we need 6957c478bd9Sstevel@tonic-gate * to the list until no changes are seen. This deals with the case 6967c478bd9Sstevel@tonic-gate * where page "p" is mapped at v, page "p + PAGESIZE" is mapped at w 6977c478bd9Sstevel@tonic-gate * but w < v. 6987c478bd9Sstevel@tonic-gate */ 6997c478bd9Sstevel@tonic-gate do { 7007c478bd9Sstevel@tonic-gate change = 0; 7017c478bd9Sstevel@tonic-gate for (va = KERNEL_TEXT; 7027c478bd9Sstevel@tonic-gate *size > 0 && hat_boot_probe(&va, &len, &pfn, &prot) != 0; 7037c478bd9Sstevel@tonic-gate va = next_va) { 7047c478bd9Sstevel@tonic-gate 7057c478bd9Sstevel@tonic-gate next_va = va + len; 7067c478bd9Sstevel@tonic-gate pfn_addr = ptob((uint64_t)pfn); 7077c478bd9Sstevel@tonic-gate pfn_eaddr = pfn_addr + len; 7087c478bd9Sstevel@tonic-gate 7097c478bd9Sstevel@tonic-gate if (pfn_addr <= *addr && pfn_eaddr > *addr) { 7107c478bd9Sstevel@tonic-gate change = 1; 7117c478bd9Sstevel@tonic-gate while (*size > 0 && len > 0) { 7127c478bd9Sstevel@tonic-gate *addr += MMU_PAGESIZE; 7137c478bd9Sstevel@tonic-gate *size -= MMU_PAGESIZE; 7147c478bd9Sstevel@tonic-gate len -= MMU_PAGESIZE; 7157c478bd9Sstevel@tonic-gate } 7167c478bd9Sstevel@tonic-gate } 7177c478bd9Sstevel@tonic-gate } 7187c478bd9Sstevel@tonic-gate if (change && prom_debug) 7197c478bd9Sstevel@tonic-gate prom_printf("\t\ttrim: a=%" PRIx64 ", s=%" PRIx64 "\n", 7207c478bd9Sstevel@tonic-gate *addr, *size); 7217c478bd9Sstevel@tonic-gate } while (change); 7227c478bd9Sstevel@tonic-gate 7237c478bd9Sstevel@tonic-gate /* 7247c478bd9Sstevel@tonic-gate * Trim pages from the end of the range. 7257c478bd9Sstevel@tonic-gate */ 7267c478bd9Sstevel@tonic-gate for (va = KERNEL_TEXT; 7277c478bd9Sstevel@tonic-gate *size > 0 && hat_boot_probe(&va, &len, &pfn, &prot) != 0; 7287c478bd9Sstevel@tonic-gate va = next_va) { 7297c478bd9Sstevel@tonic-gate 7307c478bd9Sstevel@tonic-gate next_va = va + len; 7317c478bd9Sstevel@tonic-gate pfn_addr = ptob((uint64_t)pfn); 7327c478bd9Sstevel@tonic-gate 7337c478bd9Sstevel@tonic-gate if (pfn_addr >= *addr && pfn_addr < *addr + *size) 7347c478bd9Sstevel@tonic-gate *size = pfn_addr - *addr; 7357c478bd9Sstevel@tonic-gate } 7367c478bd9Sstevel@tonic-gate 7377c478bd9Sstevel@tonic-gate if (prom_debug) 7387c478bd9Sstevel@tonic-gate prom_printf("\tFilter out: a=%" PRIx64 ", s=%" PRIx64 "\n", 7397c478bd9Sstevel@tonic-gate *addr, *size); 7407c478bd9Sstevel@tonic-gate } 7417c478bd9Sstevel@tonic-gate 7427c478bd9Sstevel@tonic-gate static void 7437c478bd9Sstevel@tonic-gate kpm_init() 7447c478bd9Sstevel@tonic-gate { 7457c478bd9Sstevel@tonic-gate struct segkpm_crargs b; 7467c478bd9Sstevel@tonic-gate uintptr_t start, end; 7477c478bd9Sstevel@tonic-gate struct memlist *pmem; 7487c478bd9Sstevel@tonic-gate 7497c478bd9Sstevel@tonic-gate /* 7507c478bd9Sstevel@tonic-gate * These variables were all designed for sfmmu in which segkpm is 7517c478bd9Sstevel@tonic-gate * mapped using a single pagesize - either 8KB or 4MB. On x86, we 7527c478bd9Sstevel@tonic-gate * might use 2+ page sizes on a single machine, so none of these 7537c478bd9Sstevel@tonic-gate * variables have a single correct value. They are set up as if we 7547c478bd9Sstevel@tonic-gate * always use a 4KB pagesize, which should do no harm. In the long 7557c478bd9Sstevel@tonic-gate * run, we should get rid of KPM's assumption that only a single 7567c478bd9Sstevel@tonic-gate * pagesize is used. 7577c478bd9Sstevel@tonic-gate */ 7587c478bd9Sstevel@tonic-gate kpm_pgshft = MMU_PAGESHIFT; 7597c478bd9Sstevel@tonic-gate kpm_pgsz = MMU_PAGESIZE; 7607c478bd9Sstevel@tonic-gate kpm_pgoff = MMU_PAGEOFFSET; 7617c478bd9Sstevel@tonic-gate kpmp2pshft = 0; 7627c478bd9Sstevel@tonic-gate kpmpnpgs = 1; 7637c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)kpm_vbase & (kpm_pgsz - 1)) == 0); 7647c478bd9Sstevel@tonic-gate 7657c478bd9Sstevel@tonic-gate PRM_POINT("about to create segkpm"); 7667c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 7677c478bd9Sstevel@tonic-gate 7687c478bd9Sstevel@tonic-gate if (seg_attach(&kas, kpm_vbase, kpm_size, segkpm) < 0) 7697c478bd9Sstevel@tonic-gate panic("cannot attach segkpm"); 7707c478bd9Sstevel@tonic-gate 7717c478bd9Sstevel@tonic-gate b.prot = PROT_READ | PROT_WRITE; 7727c478bd9Sstevel@tonic-gate b.nvcolors = 1; 7737c478bd9Sstevel@tonic-gate 7747c478bd9Sstevel@tonic-gate if (segkpm_create(segkpm, (caddr_t)&b) != 0) 7757c478bd9Sstevel@tonic-gate panic("segkpm_create segkpm"); 7767c478bd9Sstevel@tonic-gate 7777c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 7787c478bd9Sstevel@tonic-gate 7797c478bd9Sstevel@tonic-gate /* 7807c478bd9Sstevel@tonic-gate * Map each of the memsegs into the kpm segment, coalesing adjacent 7817c478bd9Sstevel@tonic-gate * memsegs to allow mapping with the largest possible pages. 7827c478bd9Sstevel@tonic-gate */ 7837c478bd9Sstevel@tonic-gate pmem = phys_install; 7847c478bd9Sstevel@tonic-gate start = pmem->address; 7857c478bd9Sstevel@tonic-gate end = start + pmem->size; 7867c478bd9Sstevel@tonic-gate for (;;) { 7877c478bd9Sstevel@tonic-gate if (pmem == NULL || pmem->address > end) { 7887c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, kpm_vbase + start, 7897c478bd9Sstevel@tonic-gate end - start, mmu_btop(start), 7907c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE, 7917c478bd9Sstevel@tonic-gate HAT_LOAD | HAT_LOAD_LOCK | HAT_LOAD_NOCONSIST); 7927c478bd9Sstevel@tonic-gate if (pmem == NULL) 7937c478bd9Sstevel@tonic-gate break; 7947c478bd9Sstevel@tonic-gate start = pmem->address; 7957c478bd9Sstevel@tonic-gate } 7967c478bd9Sstevel@tonic-gate end = pmem->address + pmem->size; 7977c478bd9Sstevel@tonic-gate pmem = pmem->next; 7987c478bd9Sstevel@tonic-gate } 7997c478bd9Sstevel@tonic-gate } 8007c478bd9Sstevel@tonic-gate 8017c478bd9Sstevel@tonic-gate /* 8027c478bd9Sstevel@tonic-gate * The purpose of startup memlist is to get the system to the 8037c478bd9Sstevel@tonic-gate * point where it can use kmem_alloc()'s that operate correctly 8047c478bd9Sstevel@tonic-gate * relying on BOP_ALLOC(). This includes allocating page_ts, 8057c478bd9Sstevel@tonic-gate * page hash table, vmem initialized, etc. 8067c478bd9Sstevel@tonic-gate * 8077c478bd9Sstevel@tonic-gate * Boot's versions of physinstalled and physavail are insufficient for 8087c478bd9Sstevel@tonic-gate * the kernel's purposes. Specifically we don't know which pages that 8097c478bd9Sstevel@tonic-gate * are not in physavail can be reclaimed after boot is gone. 8107c478bd9Sstevel@tonic-gate * 8117c478bd9Sstevel@tonic-gate * This code solves the problem by dividing the address space 8127c478bd9Sstevel@tonic-gate * into 3 regions as it takes over the MMU from the booter. 8137c478bd9Sstevel@tonic-gate * 8147c478bd9Sstevel@tonic-gate * 1) Any (non-nucleus) pages that are mapped at addresses above KERNEL_TEXT 8157c478bd9Sstevel@tonic-gate * can not be used by the kernel. 8167c478bd9Sstevel@tonic-gate * 8177c478bd9Sstevel@tonic-gate * 2) Any free page that happens to be mapped below kernelbase 8187c478bd9Sstevel@tonic-gate * is protected until the boot loader is released, but will then be reclaimed. 8197c478bd9Sstevel@tonic-gate * 8207c478bd9Sstevel@tonic-gate * 3) Boot shouldn't use any address in the remaining area between kernelbase 8217c478bd9Sstevel@tonic-gate * and KERNEL_TEXT. 8227c478bd9Sstevel@tonic-gate * 8237c478bd9Sstevel@tonic-gate * In the case of multiple mappings to the same page, region 1 has precedence 8247c478bd9Sstevel@tonic-gate * over region 2. 8257c478bd9Sstevel@tonic-gate */ 8267c478bd9Sstevel@tonic-gate static void 8277c478bd9Sstevel@tonic-gate startup_memlist(void) 8287c478bd9Sstevel@tonic-gate { 8297c478bd9Sstevel@tonic-gate size_t memlist_sz; 8307c478bd9Sstevel@tonic-gate size_t memseg_sz; 8317c478bd9Sstevel@tonic-gate size_t pagehash_sz; 8327c478bd9Sstevel@tonic-gate size_t pp_sz; 8337c478bd9Sstevel@tonic-gate uintptr_t va; 8347c478bd9Sstevel@tonic-gate size_t len; 8357c478bd9Sstevel@tonic-gate uint_t prot; 8367c478bd9Sstevel@tonic-gate pfn_t pfn; 8377c478bd9Sstevel@tonic-gate int memblocks; 8387c478bd9Sstevel@tonic-gate caddr_t pagecolor_mem; 8397c478bd9Sstevel@tonic-gate size_t pagecolor_memsz; 8407c478bd9Sstevel@tonic-gate caddr_t page_ctrs_mem; 8417c478bd9Sstevel@tonic-gate size_t page_ctrs_size; 8427c478bd9Sstevel@tonic-gate struct memlist *current; 843f53ad214Skchow pgcnt_t orig_npages = 0; 8447c478bd9Sstevel@tonic-gate extern void startup_build_mem_nodes(struct memlist *); 8457c478bd9Sstevel@tonic-gate 8467c478bd9Sstevel@tonic-gate /* XX64 fix these - they should be in include files */ 8477c478bd9Sstevel@tonic-gate extern ulong_t cr4_value; 8487c478bd9Sstevel@tonic-gate extern size_t page_coloring_init(uint_t, int, int); 8497c478bd9Sstevel@tonic-gate extern void page_coloring_setup(caddr_t); 8507c478bd9Sstevel@tonic-gate 8517c478bd9Sstevel@tonic-gate PRM_POINT("startup_memlist() starting..."); 8527c478bd9Sstevel@tonic-gate 8537c478bd9Sstevel@tonic-gate /* 8547c478bd9Sstevel@tonic-gate * Take the most current snapshot we can by calling mem-update. 8557c478bd9Sstevel@tonic-gate * For this to work properly, we first have to ask boot for its 8567c478bd9Sstevel@tonic-gate * end address. 8577c478bd9Sstevel@tonic-gate */ 8587c478bd9Sstevel@tonic-gate if (BOP_GETPROPLEN(bootops, "memory-update") == 0) 8597c478bd9Sstevel@tonic-gate (void) BOP_GETPROP(bootops, "memory-update", NULL); 8607c478bd9Sstevel@tonic-gate 8617c478bd9Sstevel@tonic-gate /* 8627c478bd9Sstevel@tonic-gate * find if the kernel is mapped on a large page 8637c478bd9Sstevel@tonic-gate */ 8647c478bd9Sstevel@tonic-gate va = KERNEL_TEXT; 8657c478bd9Sstevel@tonic-gate if (hat_boot_probe(&va, &len, &pfn, &prot) == 0) 8667c478bd9Sstevel@tonic-gate panic("Couldn't find kernel text boot mapping"); 8677c478bd9Sstevel@tonic-gate 8687c478bd9Sstevel@tonic-gate /* 8697c478bd9Sstevel@tonic-gate * Use leftover large page nucleus text/data space for loadable modules. 8707c478bd9Sstevel@tonic-gate * Use at most MODTEXT/MODDATA. 8717c478bd9Sstevel@tonic-gate */ 8727c478bd9Sstevel@tonic-gate if (len > MMU_PAGESIZE) { 8737c478bd9Sstevel@tonic-gate 8747c478bd9Sstevel@tonic-gate moddata = (caddr_t)ROUND_UP_PAGE(e_data); 8757c478bd9Sstevel@tonic-gate e_moddata = (caddr_t)ROUND_UP_4MEG(e_data); 8767c478bd9Sstevel@tonic-gate if (e_moddata - moddata > MODDATA) 8777c478bd9Sstevel@tonic-gate e_moddata = moddata + MODDATA; 8787c478bd9Sstevel@tonic-gate 8797c478bd9Sstevel@tonic-gate modtext = (caddr_t)ROUND_UP_PAGE(e_text); 8807c478bd9Sstevel@tonic-gate e_modtext = (caddr_t)ROUND_UP_4MEG(e_text); 8817c478bd9Sstevel@tonic-gate if (e_modtext - modtext > MODTEXT) 8827c478bd9Sstevel@tonic-gate e_modtext = modtext + MODTEXT; 8837c478bd9Sstevel@tonic-gate 8847c478bd9Sstevel@tonic-gate 8857c478bd9Sstevel@tonic-gate } else { 8867c478bd9Sstevel@tonic-gate 8877c478bd9Sstevel@tonic-gate PRM_POINT("Kernel NOT loaded on Large Page!"); 8887c478bd9Sstevel@tonic-gate e_moddata = moddata = (caddr_t)ROUND_UP_PAGE(e_data); 8897c478bd9Sstevel@tonic-gate e_modtext = modtext = (caddr_t)ROUND_UP_PAGE(e_text); 8907c478bd9Sstevel@tonic-gate 8917c478bd9Sstevel@tonic-gate } 8927c478bd9Sstevel@tonic-gate econtig = e_moddata; 8937c478bd9Sstevel@tonic-gate 8947c478bd9Sstevel@tonic-gate PRM_DEBUG(modtext); 8957c478bd9Sstevel@tonic-gate PRM_DEBUG(e_modtext); 8967c478bd9Sstevel@tonic-gate PRM_DEBUG(moddata); 8977c478bd9Sstevel@tonic-gate PRM_DEBUG(e_moddata); 8987c478bd9Sstevel@tonic-gate PRM_DEBUG(econtig); 8997c478bd9Sstevel@tonic-gate 9007c478bd9Sstevel@tonic-gate /* 9017c478bd9Sstevel@tonic-gate * For MP machines cr4_value must be set or the non-boot 9027c478bd9Sstevel@tonic-gate * CPUs will not be able to start. 9037c478bd9Sstevel@tonic-gate */ 9047c478bd9Sstevel@tonic-gate if (x86_feature & X86_LARGEPAGE) 9057c478bd9Sstevel@tonic-gate cr4_value = getcr4(); 9067c478bd9Sstevel@tonic-gate PRM_DEBUG(cr4_value); 9077c478bd9Sstevel@tonic-gate 9087c478bd9Sstevel@tonic-gate /* 9097c478bd9Sstevel@tonic-gate * Examine the boot loaders physical memory map to find out: 9107c478bd9Sstevel@tonic-gate * - total memory in system - physinstalled 9117c478bd9Sstevel@tonic-gate * - the max physical address - physmax 9127c478bd9Sstevel@tonic-gate * - the number of segments the intsalled memory comes in 9137c478bd9Sstevel@tonic-gate */ 9147c478bd9Sstevel@tonic-gate if (prom_debug) 9157c478bd9Sstevel@tonic-gate print_boot_memlist("boot physinstalled", 9167c478bd9Sstevel@tonic-gate bootops->boot_mem->physinstalled); 9177c478bd9Sstevel@tonic-gate installed_top_size(bootops->boot_mem->physinstalled, &physmax, 9187c478bd9Sstevel@tonic-gate &physinstalled, &memblocks); 9197c478bd9Sstevel@tonic-gate PRM_DEBUG(physmax); 9207c478bd9Sstevel@tonic-gate PRM_DEBUG(physinstalled); 9217c478bd9Sstevel@tonic-gate PRM_DEBUG(memblocks); 9227c478bd9Sstevel@tonic-gate 9237c478bd9Sstevel@tonic-gate if (prom_debug) 9247c478bd9Sstevel@tonic-gate print_boot_memlist("boot physavail", 9257c478bd9Sstevel@tonic-gate bootops->boot_mem->physavail); 9267c478bd9Sstevel@tonic-gate 9277c478bd9Sstevel@tonic-gate /* 9287c478bd9Sstevel@tonic-gate * Initialize hat's mmu parameters. 9297c478bd9Sstevel@tonic-gate * Check for enforce-prot-exec in boot environment. It's used to 9307c478bd9Sstevel@tonic-gate * enable/disable support for the page table entry NX bit. 9317c478bd9Sstevel@tonic-gate * The default is to enforce PROT_EXEC on processors that support NX. 9327c478bd9Sstevel@tonic-gate * Boot seems to round up the "len", but 8 seems to be big enough. 9337c478bd9Sstevel@tonic-gate */ 9347c478bd9Sstevel@tonic-gate mmu_init(); 9357c478bd9Sstevel@tonic-gate 9367c478bd9Sstevel@tonic-gate #ifdef __i386 9377c478bd9Sstevel@tonic-gate /* 9387c478bd9Sstevel@tonic-gate * physmax is lowered if there is more memory than can be 9397c478bd9Sstevel@tonic-gate * physically addressed in 32 bit (PAE/non-PAE) modes. 9407c478bd9Sstevel@tonic-gate */ 9417c478bd9Sstevel@tonic-gate if (mmu.pae_hat) { 9427c478bd9Sstevel@tonic-gate if (PFN_ABOVE64G(physmax)) { 9437c478bd9Sstevel@tonic-gate physinstalled -= (physmax - (PFN_64G - 1)); 9447c478bd9Sstevel@tonic-gate physmax = PFN_64G - 1; 9457c478bd9Sstevel@tonic-gate } 9467c478bd9Sstevel@tonic-gate } else { 9477c478bd9Sstevel@tonic-gate if (PFN_ABOVE4G(physmax)) { 9487c478bd9Sstevel@tonic-gate physinstalled -= (physmax - (PFN_4G - 1)); 9497c478bd9Sstevel@tonic-gate physmax = PFN_4G - 1; 9507c478bd9Sstevel@tonic-gate } 9517c478bd9Sstevel@tonic-gate } 9527c478bd9Sstevel@tonic-gate #endif 9537c478bd9Sstevel@tonic-gate 9547c478bd9Sstevel@tonic-gate startup_build_mem_nodes(bootops->boot_mem->physinstalled); 9557c478bd9Sstevel@tonic-gate 9567c478bd9Sstevel@tonic-gate if (BOP_GETPROPLEN(bootops, "enforce-prot-exec") >= 0) { 9577c478bd9Sstevel@tonic-gate int len = BOP_GETPROPLEN(bootops, "enforce-prot-exec"); 9587c478bd9Sstevel@tonic-gate char value[8]; 9597c478bd9Sstevel@tonic-gate 9607c478bd9Sstevel@tonic-gate if (len < 8) 9617c478bd9Sstevel@tonic-gate (void) BOP_GETPROP(bootops, "enforce-prot-exec", value); 9627c478bd9Sstevel@tonic-gate else 9637c478bd9Sstevel@tonic-gate (void) strcpy(value, ""); 9647c478bd9Sstevel@tonic-gate if (strcmp(value, "off") == 0) 9657c478bd9Sstevel@tonic-gate mmu.pt_nx = 0; 9667c478bd9Sstevel@tonic-gate } 9677c478bd9Sstevel@tonic-gate PRM_DEBUG(mmu.pt_nx); 9687c478bd9Sstevel@tonic-gate 9697c478bd9Sstevel@tonic-gate /* 9707c478bd9Sstevel@tonic-gate * We will need page_t's for every page in the system, except for 9717c478bd9Sstevel@tonic-gate * memory mapped at or above above the start of the kernel text segment. 9727c478bd9Sstevel@tonic-gate * 9737c478bd9Sstevel@tonic-gate * pages above e_modtext are attributed to kernel debugger (obp_pages) 9747c478bd9Sstevel@tonic-gate */ 9757c478bd9Sstevel@tonic-gate npages = physinstalled - 1; /* avail_filter() skips page 0, so "- 1" */ 9767c478bd9Sstevel@tonic-gate obp_pages = 0; 9777c478bd9Sstevel@tonic-gate va = KERNEL_TEXT; 9787c478bd9Sstevel@tonic-gate while (hat_boot_probe(&va, &len, &pfn, &prot) != 0) { 9797c478bd9Sstevel@tonic-gate npages -= len >> MMU_PAGESHIFT; 9807c478bd9Sstevel@tonic-gate if (va >= (uintptr_t)e_moddata) 9817c478bd9Sstevel@tonic-gate obp_pages += len >> MMU_PAGESHIFT; 9827c478bd9Sstevel@tonic-gate va += len; 9837c478bd9Sstevel@tonic-gate } 9847c478bd9Sstevel@tonic-gate PRM_DEBUG(npages); 9857c478bd9Sstevel@tonic-gate PRM_DEBUG(obp_pages); 9867c478bd9Sstevel@tonic-gate 9877c478bd9Sstevel@tonic-gate /* 9887c478bd9Sstevel@tonic-gate * If physmem is patched to be non-zero, use it instead of 9897c478bd9Sstevel@tonic-gate * the computed value unless it is larger than the real 9907c478bd9Sstevel@tonic-gate * amount of memory on hand. 9917c478bd9Sstevel@tonic-gate */ 9924944b02eSkchow if (physmem == 0 || physmem > npages) { 9937c478bd9Sstevel@tonic-gate physmem = npages; 9944944b02eSkchow } else if (physmem < npages) { 995f53ad214Skchow orig_npages = npages; 9967c478bd9Sstevel@tonic-gate npages = physmem; 9974944b02eSkchow } 9987c478bd9Sstevel@tonic-gate PRM_DEBUG(physmem); 9997c478bd9Sstevel@tonic-gate 10007c478bd9Sstevel@tonic-gate /* 10017c478bd9Sstevel@tonic-gate * We now compute the sizes of all the initial allocations for 10027c478bd9Sstevel@tonic-gate * structures the kernel needs in order do kmem_alloc(). These 10037c478bd9Sstevel@tonic-gate * include: 10047c478bd9Sstevel@tonic-gate * memsegs 10057c478bd9Sstevel@tonic-gate * memlists 10067c478bd9Sstevel@tonic-gate * page hash table 10077c478bd9Sstevel@tonic-gate * page_t's 10087c478bd9Sstevel@tonic-gate * page coloring data structs 10097c478bd9Sstevel@tonic-gate */ 10107c478bd9Sstevel@tonic-gate memseg_sz = sizeof (struct memseg) * (memblocks + POSS_NEW_FRAGMENTS); 10117c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(memseg_base, memseg_sz); 10127c478bd9Sstevel@tonic-gate PRM_DEBUG(memseg_sz); 10137c478bd9Sstevel@tonic-gate 10147c478bd9Sstevel@tonic-gate /* 10157c478bd9Sstevel@tonic-gate * Reserve space for phys_avail/phys_install memlists. 10167c478bd9Sstevel@tonic-gate * There's no real good way to know exactly how much room we'll need, 10177c478bd9Sstevel@tonic-gate * but this should be a good upper bound. 10187c478bd9Sstevel@tonic-gate */ 10197c478bd9Sstevel@tonic-gate memlist_sz = ROUND_UP_PAGE(2 * sizeof (struct memlist) * 10207c478bd9Sstevel@tonic-gate (memblocks + POSS_NEW_FRAGMENTS)); 10217c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(memlist, memlist_sz); 10227c478bd9Sstevel@tonic-gate PRM_DEBUG(memlist_sz); 10237c478bd9Sstevel@tonic-gate 10247c478bd9Sstevel@tonic-gate /* 10257c478bd9Sstevel@tonic-gate * The page structure hash table size is a power of 2 10267c478bd9Sstevel@tonic-gate * such that the average hash chain length is PAGE_HASHAVELEN. 10277c478bd9Sstevel@tonic-gate */ 10287c478bd9Sstevel@tonic-gate page_hashsz = npages / PAGE_HASHAVELEN; 10297c478bd9Sstevel@tonic-gate page_hashsz = 1 << highbit(page_hashsz); 10307c478bd9Sstevel@tonic-gate pagehash_sz = sizeof (struct page *) * page_hashsz; 10317c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(page_hash, pagehash_sz); 10327c478bd9Sstevel@tonic-gate PRM_DEBUG(pagehash_sz); 10337c478bd9Sstevel@tonic-gate 10347c478bd9Sstevel@tonic-gate /* 10357c478bd9Sstevel@tonic-gate * Set aside room for the page structures themselves. Note: on 10367c478bd9Sstevel@tonic-gate * 64-bit systems we don't allocate page_t's for every page here. 10377c478bd9Sstevel@tonic-gate * We just allocate enough to map the lowest 4GB of physical 10387c478bd9Sstevel@tonic-gate * memory, minus those pages that are used for the "nucleus" kernel 10397c478bd9Sstevel@tonic-gate * text and data. The remaining pages are allocated once we can 10407c478bd9Sstevel@tonic-gate * map around boot. 10417c478bd9Sstevel@tonic-gate * 10427c478bd9Sstevel@tonic-gate * boot_npages is used to allocate an area big enough for our 10437c478bd9Sstevel@tonic-gate * initial page_t's. kphym_init may use less than that. 10447c478bd9Sstevel@tonic-gate */ 10457c478bd9Sstevel@tonic-gate boot_npages = npages; 10467c478bd9Sstevel@tonic-gate #if defined(__amd64) 10477c478bd9Sstevel@tonic-gate if (npages > mmu_btop(FOURGB - (econtig - s_text))) 10487c478bd9Sstevel@tonic-gate boot_npages = mmu_btop(FOURGB - (econtig - s_text)); 10497c478bd9Sstevel@tonic-gate #endif 10507c478bd9Sstevel@tonic-gate PRM_DEBUG(boot_npages); 10517c478bd9Sstevel@tonic-gate pp_sz = sizeof (struct page) * boot_npages; 10527c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(pp_base, pp_sz); 10537c478bd9Sstevel@tonic-gate PRM_DEBUG(pp_sz); 10547c478bd9Sstevel@tonic-gate 10557c478bd9Sstevel@tonic-gate /* 10567c478bd9Sstevel@tonic-gate * determine l2 cache info and memory size for page coloring 10577c478bd9Sstevel@tonic-gate */ 10587c478bd9Sstevel@tonic-gate (void) getl2cacheinfo(CPU, 10597c478bd9Sstevel@tonic-gate &l2cache_sz, &l2cache_linesz, &l2cache_assoc); 10607c478bd9Sstevel@tonic-gate pagecolor_memsz = 10617c478bd9Sstevel@tonic-gate page_coloring_init(l2cache_sz, l2cache_linesz, l2cache_assoc); 10627c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(pagecolor_mem, pagecolor_memsz); 10637c478bd9Sstevel@tonic-gate PRM_DEBUG(pagecolor_memsz); 10647c478bd9Sstevel@tonic-gate 10657c478bd9Sstevel@tonic-gate page_ctrs_size = page_ctrs_sz(); 10667c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(page_ctrs_mem, page_ctrs_size); 10677c478bd9Sstevel@tonic-gate PRM_DEBUG(page_ctrs_size); 10687c478bd9Sstevel@tonic-gate 10697c478bd9Sstevel@tonic-gate /* 10707c478bd9Sstevel@tonic-gate * valloc_base will be below kernel text 10717c478bd9Sstevel@tonic-gate * The extra pages are for the HAT and kmdb to map page tables. 10727c478bd9Sstevel@tonic-gate */ 10737c478bd9Sstevel@tonic-gate valloc_sz = ROUND_UP_LPAGE(valloc_sz); 10747c478bd9Sstevel@tonic-gate valloc_base = KERNEL_TEXT - valloc_sz; 10757c478bd9Sstevel@tonic-gate PRM_DEBUG(valloc_base); 10767c478bd9Sstevel@tonic-gate ptable_va = valloc_base - ptable_sz; 10777c478bd9Sstevel@tonic-gate 10787c478bd9Sstevel@tonic-gate #if defined(__amd64) 10797c478bd9Sstevel@tonic-gate if (eprom_kernelbase && eprom_kernelbase != KERNELBASE) 10807c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!kernelbase cannot be changed on 64-bit " 10817c478bd9Sstevel@tonic-gate "systems."); 10827c478bd9Sstevel@tonic-gate kernelbase = (uintptr_t)KERNELBASE; 10837c478bd9Sstevel@tonic-gate core_base = (uintptr_t)COREHEAP_BASE; 10847c478bd9Sstevel@tonic-gate core_size = ptable_va - core_base; 10857c478bd9Sstevel@tonic-gate #else /* __i386 */ 10867c478bd9Sstevel@tonic-gate /* 10877c478bd9Sstevel@tonic-gate * We configure kernelbase based on: 10887c478bd9Sstevel@tonic-gate * 10897c478bd9Sstevel@tonic-gate * 1. user specified kernelbase via eeprom command. Value cannot exceed 10907c478bd9Sstevel@tonic-gate * KERNELBASE_MAX. we large page align eprom_kernelbase 10917c478bd9Sstevel@tonic-gate * 10927c478bd9Sstevel@tonic-gate * 2. Default to KERNELBASE and adjust to 2X less the size for page_t. 10937c478bd9Sstevel@tonic-gate * On large memory systems we must lower kernelbase to allow 10947c478bd9Sstevel@tonic-gate * enough room for page_t's for all of memory. 10957c478bd9Sstevel@tonic-gate * 10967c478bd9Sstevel@tonic-gate * The value set here, might be changed a little later. 10977c478bd9Sstevel@tonic-gate */ 10987c478bd9Sstevel@tonic-gate if (eprom_kernelbase) { 10997c478bd9Sstevel@tonic-gate kernelbase = eprom_kernelbase & mmu.level_mask[1]; 11007c478bd9Sstevel@tonic-gate if (kernelbase > KERNELBASE_MAX) 11017c478bd9Sstevel@tonic-gate kernelbase = KERNELBASE_MAX; 11027c478bd9Sstevel@tonic-gate } else { 11037c478bd9Sstevel@tonic-gate kernelbase = (uintptr_t)KERNELBASE; 11047c478bd9Sstevel@tonic-gate kernelbase -= ROUND_UP_4MEG(2 * valloc_sz); 11057c478bd9Sstevel@tonic-gate } 11067c478bd9Sstevel@tonic-gate ASSERT((kernelbase & mmu.level_offset[1]) == 0); 11077c478bd9Sstevel@tonic-gate core_base = ptable_va; 11087c478bd9Sstevel@tonic-gate core_size = 0; 11097c478bd9Sstevel@tonic-gate #endif 11107c478bd9Sstevel@tonic-gate 11117c478bd9Sstevel@tonic-gate PRM_DEBUG(kernelbase); 11127c478bd9Sstevel@tonic-gate PRM_DEBUG(core_base); 11137c478bd9Sstevel@tonic-gate PRM_DEBUG(core_size); 11147c478bd9Sstevel@tonic-gate 11157c478bd9Sstevel@tonic-gate /* 11167c478bd9Sstevel@tonic-gate * At this point, we can only use a portion of the kernelheap that 11177c478bd9Sstevel@tonic-gate * will be available after we boot. Both 32-bit and 64-bit systems 11187c478bd9Sstevel@tonic-gate * have this limitation, although the reasons are completely 11197c478bd9Sstevel@tonic-gate * different. 11207c478bd9Sstevel@tonic-gate * 11217c478bd9Sstevel@tonic-gate * On 64-bit systems, the booter only supports allocations in the 11227c478bd9Sstevel@tonic-gate * upper 4GB of memory, so we have to work with a reduced kernel 11237c478bd9Sstevel@tonic-gate * heap until we take over all allocations. The booter also sits 11247c478bd9Sstevel@tonic-gate * in the lower portion of that 4GB range, so we have to raise the 11257c478bd9Sstevel@tonic-gate * bottom of the heap even further. 11267c478bd9Sstevel@tonic-gate * 11277c478bd9Sstevel@tonic-gate * On 32-bit systems we have to leave room to place segmap below 11287c478bd9Sstevel@tonic-gate * the heap. We don't yet know how large segmap will be, so we 11297c478bd9Sstevel@tonic-gate * have to be very conservative. 11307c478bd9Sstevel@tonic-gate */ 11317c478bd9Sstevel@tonic-gate #if defined(__amd64) 11327c478bd9Sstevel@tonic-gate /* 11337c478bd9Sstevel@tonic-gate * XX64: For now, we let boot have the lower 2GB of the top 4GB 11347c478bd9Sstevel@tonic-gate * address range. In the long run, that should be fixed. It's 11357c478bd9Sstevel@tonic-gate * insane for a booter to need 2 2GB address ranges. 11367c478bd9Sstevel@tonic-gate */ 11377c478bd9Sstevel@tonic-gate boot_kernelheap = (caddr_t)(BOOT_DOUBLEMAP_BASE + BOOT_DOUBLEMAP_SIZE); 11387c478bd9Sstevel@tonic-gate segmap_reserved = 0; 11397c478bd9Sstevel@tonic-gate 11407c478bd9Sstevel@tonic-gate #else /* __i386 */ 11417c478bd9Sstevel@tonic-gate segkp_fromheap = 1; 11427c478bd9Sstevel@tonic-gate segmap_reserved = ROUND_UP_LPAGE(MAX(segmapsize, SEGMAPMAX)); 11437c478bd9Sstevel@tonic-gate boot_kernelheap = (caddr_t)(ROUND_UP_LPAGE(kernelbase) + 11447c478bd9Sstevel@tonic-gate segmap_reserved); 11457c478bd9Sstevel@tonic-gate #endif 11467c478bd9Sstevel@tonic-gate PRM_DEBUG(boot_kernelheap); 11477c478bd9Sstevel@tonic-gate kernelheap = boot_kernelheap; 11487c478bd9Sstevel@tonic-gate ekernelheap = (char *)core_base; 11497c478bd9Sstevel@tonic-gate 11507c478bd9Sstevel@tonic-gate /* 11517c478bd9Sstevel@tonic-gate * If segmap is too large we can push the bottom of the kernel heap 11527c478bd9Sstevel@tonic-gate * higher than the base. Or worse, it could exceed the top of the 11537c478bd9Sstevel@tonic-gate * VA space entirely, causing it to wrap around. 11547c478bd9Sstevel@tonic-gate */ 11557c478bd9Sstevel@tonic-gate if (kernelheap >= ekernelheap || (uintptr_t)kernelheap < kernelbase) 11567c478bd9Sstevel@tonic-gate panic("too little memory available for kernelheap," 11577c478bd9Sstevel@tonic-gate " use a different kernelbase"); 11587c478bd9Sstevel@tonic-gate 11597c478bd9Sstevel@tonic-gate /* 11607c478bd9Sstevel@tonic-gate * Now that we know the real value of kernelbase, 11617c478bd9Sstevel@tonic-gate * update variables that were initialized with a value of 11627c478bd9Sstevel@tonic-gate * KERNELBASE (in common/conf/param.c). 11637c478bd9Sstevel@tonic-gate * 11647c478bd9Sstevel@tonic-gate * XXX The problem with this sort of hackery is that the 11657c478bd9Sstevel@tonic-gate * compiler just may feel like putting the const declarations 11667c478bd9Sstevel@tonic-gate * (in param.c) into the .text section. Perhaps they should 11677c478bd9Sstevel@tonic-gate * just be declared as variables there? 11687c478bd9Sstevel@tonic-gate */ 11697c478bd9Sstevel@tonic-gate 11707c478bd9Sstevel@tonic-gate #if defined(__amd64) 11717c478bd9Sstevel@tonic-gate ASSERT(_kernelbase == KERNELBASE); 11727c478bd9Sstevel@tonic-gate ASSERT(_userlimit == USERLIMIT); 11737c478bd9Sstevel@tonic-gate /* 11747c478bd9Sstevel@tonic-gate * As one final sanity check, verify that the "red zone" between 11757c478bd9Sstevel@tonic-gate * kernel and userspace is exactly the size we expected. 11767c478bd9Sstevel@tonic-gate */ 11777c478bd9Sstevel@tonic-gate ASSERT(_kernelbase == (_userlimit + (2 * 1024 * 1024))); 11787c478bd9Sstevel@tonic-gate #else 11797c478bd9Sstevel@tonic-gate *(uintptr_t *)&_kernelbase = kernelbase; 11807c478bd9Sstevel@tonic-gate *(uintptr_t *)&_userlimit = kernelbase; 11817c478bd9Sstevel@tonic-gate *(uintptr_t *)&_userlimit32 = _userlimit; 11827c478bd9Sstevel@tonic-gate #endif 11837c478bd9Sstevel@tonic-gate PRM_DEBUG(_kernelbase); 11847c478bd9Sstevel@tonic-gate PRM_DEBUG(_userlimit); 11857c478bd9Sstevel@tonic-gate PRM_DEBUG(_userlimit32); 11867c478bd9Sstevel@tonic-gate 11877c478bd9Sstevel@tonic-gate /* 11887c478bd9Sstevel@tonic-gate * do all the initial allocations 11897c478bd9Sstevel@tonic-gate */ 11907c478bd9Sstevel@tonic-gate perform_allocations(); 11917c478bd9Sstevel@tonic-gate 11927c478bd9Sstevel@tonic-gate /* 11937c478bd9Sstevel@tonic-gate * Initialize the kernel heap. Note 3rd argument must be > 1st. 11947c478bd9Sstevel@tonic-gate */ 11957c478bd9Sstevel@tonic-gate kernelheap_init(kernelheap, ekernelheap, kernelheap + MMU_PAGESIZE, 11967c478bd9Sstevel@tonic-gate (void *)core_base, (void *)ptable_va); 11977c478bd9Sstevel@tonic-gate 11987c478bd9Sstevel@tonic-gate /* 11997c478bd9Sstevel@tonic-gate * Build phys_install and phys_avail in kernel memspace. 12007c478bd9Sstevel@tonic-gate * - phys_install should be all memory in the system. 12017c478bd9Sstevel@tonic-gate * - phys_avail is phys_install minus any memory mapped before this 12027c478bd9Sstevel@tonic-gate * point above KERNEL_TEXT. 12037c478bd9Sstevel@tonic-gate */ 12047c478bd9Sstevel@tonic-gate current = phys_install = memlist; 12057c478bd9Sstevel@tonic-gate copy_memlist_filter(bootops->boot_mem->physinstalled, ¤t, NULL); 12067c478bd9Sstevel@tonic-gate if ((caddr_t)current > (caddr_t)memlist + memlist_sz) 12077c478bd9Sstevel@tonic-gate panic("physinstalled was too big!"); 12087c478bd9Sstevel@tonic-gate if (prom_debug) 12097c478bd9Sstevel@tonic-gate print_kernel_memlist("phys_install", phys_install); 12107c478bd9Sstevel@tonic-gate 12117c478bd9Sstevel@tonic-gate phys_avail = current; 12127c478bd9Sstevel@tonic-gate PRM_POINT("Building phys_avail:\n"); 12137c478bd9Sstevel@tonic-gate copy_memlist_filter(bootops->boot_mem->physinstalled, ¤t, 12147c478bd9Sstevel@tonic-gate avail_filter); 12157c478bd9Sstevel@tonic-gate if ((caddr_t)current > (caddr_t)memlist + memlist_sz) 12167c478bd9Sstevel@tonic-gate panic("physavail was too big!"); 12177c478bd9Sstevel@tonic-gate if (prom_debug) 12187c478bd9Sstevel@tonic-gate print_kernel_memlist("phys_avail", phys_avail); 12197c478bd9Sstevel@tonic-gate 12207c478bd9Sstevel@tonic-gate /* 12217c478bd9Sstevel@tonic-gate * setup page coloring 12227c478bd9Sstevel@tonic-gate */ 12237c478bd9Sstevel@tonic-gate page_coloring_setup(pagecolor_mem); 12247c478bd9Sstevel@tonic-gate page_lock_init(); /* currently a no-op */ 12257c478bd9Sstevel@tonic-gate 12267c478bd9Sstevel@tonic-gate /* 12277c478bd9Sstevel@tonic-gate * free page list counters 12287c478bd9Sstevel@tonic-gate */ 12297c478bd9Sstevel@tonic-gate (void) page_ctrs_alloc(page_ctrs_mem); 12307c478bd9Sstevel@tonic-gate 12317c478bd9Sstevel@tonic-gate /* 12327c478bd9Sstevel@tonic-gate * Initialize the page structures from the memory lists. 12337c478bd9Sstevel@tonic-gate */ 12347c478bd9Sstevel@tonic-gate availrmem_initial = availrmem = freemem = 0; 12357c478bd9Sstevel@tonic-gate PRM_POINT("Calling kphysm_init()..."); 12367c478bd9Sstevel@tonic-gate boot_npages = kphysm_init(pp_base, memseg_base, 0, boot_npages); 12377c478bd9Sstevel@tonic-gate PRM_POINT("kphysm_init() done"); 12387c478bd9Sstevel@tonic-gate PRM_DEBUG(boot_npages); 12397c478bd9Sstevel@tonic-gate 12407c478bd9Sstevel@tonic-gate /* 12417c478bd9Sstevel@tonic-gate * Now that page_t's have been initialized, remove all the 12427c478bd9Sstevel@tonic-gate * initial allocation pages from the kernel free page lists. 12437c478bd9Sstevel@tonic-gate */ 12447c478bd9Sstevel@tonic-gate boot_mapin((caddr_t)valloc_base, valloc_sz); 12457c478bd9Sstevel@tonic-gate 12467c478bd9Sstevel@tonic-gate /* 12477c478bd9Sstevel@tonic-gate * Initialize kernel memory allocator. 12487c478bd9Sstevel@tonic-gate */ 12497c478bd9Sstevel@tonic-gate kmem_init(); 12507c478bd9Sstevel@tonic-gate 12517c478bd9Sstevel@tonic-gate /* 12527c478bd9Sstevel@tonic-gate * print this out early so that we know what's going on 12537c478bd9Sstevel@tonic-gate */ 12547c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?features: %b\n", x86_feature, FMT_X86_FEATURE); 12557c478bd9Sstevel@tonic-gate 12567c478bd9Sstevel@tonic-gate /* 12577c478bd9Sstevel@tonic-gate * Initialize bp_mapin(). 12587c478bd9Sstevel@tonic-gate */ 12597c478bd9Sstevel@tonic-gate bp_init(MMU_PAGESIZE, HAT_STORECACHING_OK); 12607c478bd9Sstevel@tonic-gate 1261f53ad214Skchow /* 1262f53ad214Skchow * orig_npages is non-zero if physmem has been configured for less 1263f53ad214Skchow * than the available memory. 1264f53ad214Skchow */ 1265f53ad214Skchow if (orig_npages) { 1266f53ad214Skchow #ifdef __i386 1267f53ad214Skchow /* 1268f53ad214Skchow * use npages for physmem in case it has been temporarily 1269f53ad214Skchow * modified via /etc/system in kmem_init/mod_read_system_file. 1270f53ad214Skchow */ 1271f53ad214Skchow if (npages == PHYSMEM32) { 1272f53ad214Skchow cmn_err(CE_WARN, "!Due to 32 bit virtual" 1273f53ad214Skchow " address space limitations, limiting" 1274f53ad214Skchow " physmem to 0x%lx of 0x%lx available pages", 1275f53ad214Skchow npages, orig_npages); 1276f53ad214Skchow } else { 1277f53ad214Skchow cmn_err(CE_WARN, "!limiting physmem to 0x%lx of" 1278f53ad214Skchow " 0x%lx available pages", npages, orig_npages); 1279f53ad214Skchow } 1280f53ad214Skchow #else 1281f53ad214Skchow cmn_err(CE_WARN, "!limiting physmem to 0x%lx of" 1282f53ad214Skchow " 0x%lx available pages", npages, orig_npages); 1283f53ad214Skchow #endif 1284f53ad214Skchow } 12857c478bd9Sstevel@tonic-gate #if defined(__i386) 12867c478bd9Sstevel@tonic-gate if (eprom_kernelbase && (eprom_kernelbase != kernelbase)) 12877c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "kernelbase value, User specified 0x%lx, " 12887c478bd9Sstevel@tonic-gate "System using 0x%lx", 12897c478bd9Sstevel@tonic-gate (uintptr_t)eprom_kernelbase, (uintptr_t)kernelbase); 12907c478bd9Sstevel@tonic-gate #endif 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate #ifdef KERNELBASE_ABI_MIN 12937c478bd9Sstevel@tonic-gate if (kernelbase < (uintptr_t)KERNELBASE_ABI_MIN) { 12947c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!kernelbase set to 0x%lx, system is not " 12957c478bd9Sstevel@tonic-gate "i386 ABI compliant.", (uintptr_t)kernelbase); 12967c478bd9Sstevel@tonic-gate } 12977c478bd9Sstevel@tonic-gate #endif 12987c478bd9Sstevel@tonic-gate 12997c478bd9Sstevel@tonic-gate PRM_POINT("startup_memlist() done"); 13007c478bd9Sstevel@tonic-gate } 13017c478bd9Sstevel@tonic-gate 13027c478bd9Sstevel@tonic-gate static void 13037c478bd9Sstevel@tonic-gate startup_modules(void) 13047c478bd9Sstevel@tonic-gate { 13057c478bd9Sstevel@tonic-gate unsigned int i; 13067c478bd9Sstevel@tonic-gate extern void prom_setup(void); 13077c478bd9Sstevel@tonic-gate 13087c478bd9Sstevel@tonic-gate PRM_POINT("startup_modules() starting..."); 13097c478bd9Sstevel@tonic-gate /* 13107c478bd9Sstevel@tonic-gate * Initialize ten-micro second timer so that drivers will 13117c478bd9Sstevel@tonic-gate * not get short changed in their init phase. This was 13127c478bd9Sstevel@tonic-gate * not getting called until clkinit which, on fast cpu's 13137c478bd9Sstevel@tonic-gate * caused the drv_usecwait to be way too short. 13147c478bd9Sstevel@tonic-gate */ 13157c478bd9Sstevel@tonic-gate microfind(); 13167c478bd9Sstevel@tonic-gate 13177c478bd9Sstevel@tonic-gate /* 13187c478bd9Sstevel@tonic-gate * Read the GMT lag from /etc/rtc_config. 13197c478bd9Sstevel@tonic-gate */ 13207c478bd9Sstevel@tonic-gate gmt_lag = process_rtc_config_file(); 13217c478bd9Sstevel@tonic-gate 13227c478bd9Sstevel@tonic-gate /* 13237c478bd9Sstevel@tonic-gate * Calculate default settings of system parameters based upon 13247c478bd9Sstevel@tonic-gate * maxusers, yet allow to be overridden via the /etc/system file. 13257c478bd9Sstevel@tonic-gate */ 13267c478bd9Sstevel@tonic-gate param_calc(0); 13277c478bd9Sstevel@tonic-gate 13287c478bd9Sstevel@tonic-gate mod_setup(); 13297c478bd9Sstevel@tonic-gate 13307c478bd9Sstevel@tonic-gate /* 13317c478bd9Sstevel@tonic-gate * Initialize system parameters. 13327c478bd9Sstevel@tonic-gate */ 13337c478bd9Sstevel@tonic-gate param_init(); 13347c478bd9Sstevel@tonic-gate 1335*9acbbeafSnn /* 1336*9acbbeafSnn * Initialize the default brands 1337*9acbbeafSnn */ 1338*9acbbeafSnn brand_init(); 1339*9acbbeafSnn 13407c478bd9Sstevel@tonic-gate /* 13417c478bd9Sstevel@tonic-gate * maxmem is the amount of physical memory we're playing with. 13427c478bd9Sstevel@tonic-gate */ 13437c478bd9Sstevel@tonic-gate maxmem = physmem; 13447c478bd9Sstevel@tonic-gate 13457c478bd9Sstevel@tonic-gate /* 13467c478bd9Sstevel@tonic-gate * Initialize the hat layer. 13477c478bd9Sstevel@tonic-gate */ 13487c478bd9Sstevel@tonic-gate hat_init(); 13497c478bd9Sstevel@tonic-gate 13507c478bd9Sstevel@tonic-gate /* 13517c478bd9Sstevel@tonic-gate * Initialize segment management stuff. 13527c478bd9Sstevel@tonic-gate */ 13537c478bd9Sstevel@tonic-gate seg_init(); 13547c478bd9Sstevel@tonic-gate 13557c478bd9Sstevel@tonic-gate if (modload("fs", "specfs") == -1) 13567c478bd9Sstevel@tonic-gate halt("Can't load specfs"); 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate if (modload("fs", "devfs") == -1) 13597c478bd9Sstevel@tonic-gate halt("Can't load devfs"); 13607c478bd9Sstevel@tonic-gate 1361facf4a8dSllai if (modload("fs", "dev") == -1) 1362facf4a8dSllai halt("Can't load dev"); 1363facf4a8dSllai 136445916cd2Sjpk (void) modloadonly("sys", "lbl_edition"); 136545916cd2Sjpk 13667c478bd9Sstevel@tonic-gate dispinit(); 13677c478bd9Sstevel@tonic-gate 13687c478bd9Sstevel@tonic-gate /* 13697c478bd9Sstevel@tonic-gate * This is needed here to initialize hw_serial[] for cluster booting. 13707c478bd9Sstevel@tonic-gate */ 13717c478bd9Sstevel@tonic-gate if ((i = modload("misc", "sysinit")) != (unsigned int)-1) 13727c478bd9Sstevel@tonic-gate (void) modunload(i); 13737c478bd9Sstevel@tonic-gate else 13747c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "sysinit load failed"); 13757c478bd9Sstevel@tonic-gate 13767c478bd9Sstevel@tonic-gate /* Read cluster configuration data. */ 13777c478bd9Sstevel@tonic-gate clconf_init(); 13787c478bd9Sstevel@tonic-gate 13797c478bd9Sstevel@tonic-gate /* 13807c478bd9Sstevel@tonic-gate * Create a kernel device tree. First, create rootnex and 13817c478bd9Sstevel@tonic-gate * then invoke bus specific code to probe devices. 13827c478bd9Sstevel@tonic-gate */ 13837c478bd9Sstevel@tonic-gate setup_ddi(); 13847aec1d6eScindi 13857aec1d6eScindi /* 13867aec1d6eScindi * Set up the CPU module subsystem. Modifies the device tree, so it 13877aec1d6eScindi * must be done after setup_ddi(). 13887aec1d6eScindi */ 13897aec1d6eScindi cmi_init(); 13907aec1d6eScindi 13917aec1d6eScindi /* 13927aec1d6eScindi * Initialize the MCA handlers 13937aec1d6eScindi */ 13947aec1d6eScindi if (x86_feature & X86_MCA) 13957aec1d6eScindi cmi_mca_init(); 13967aec1d6eScindi 13977c478bd9Sstevel@tonic-gate /* 13987c478bd9Sstevel@tonic-gate * Fake a prom tree such that /dev/openprom continues to work 13997c478bd9Sstevel@tonic-gate */ 14007c478bd9Sstevel@tonic-gate prom_setup(); 14017c478bd9Sstevel@tonic-gate 14027c478bd9Sstevel@tonic-gate /* 14037c478bd9Sstevel@tonic-gate * Load all platform specific modules 14047c478bd9Sstevel@tonic-gate */ 14057c478bd9Sstevel@tonic-gate psm_modload(); 14067c478bd9Sstevel@tonic-gate 14077c478bd9Sstevel@tonic-gate PRM_POINT("startup_modules() done"); 14087c478bd9Sstevel@tonic-gate } 14097c478bd9Sstevel@tonic-gate 14107c478bd9Sstevel@tonic-gate static void 14117c478bd9Sstevel@tonic-gate startup_bop_gone(void) 14127c478bd9Sstevel@tonic-gate { 14137c478bd9Sstevel@tonic-gate PRM_POINT("startup_bop_gone() starting..."); 14147c478bd9Sstevel@tonic-gate 14157c478bd9Sstevel@tonic-gate /* 14167c478bd9Sstevel@tonic-gate * Do final allocations of HAT data structures that need to 14177c478bd9Sstevel@tonic-gate * be allocated before quiescing the boot loader. 14187c478bd9Sstevel@tonic-gate */ 14197c478bd9Sstevel@tonic-gate PRM_POINT("Calling hat_kern_alloc()..."); 14207c478bd9Sstevel@tonic-gate hat_kern_alloc(); 14217c478bd9Sstevel@tonic-gate PRM_POINT("hat_kern_alloc() done"); 14227c478bd9Sstevel@tonic-gate 14237c478bd9Sstevel@tonic-gate /* 14247c478bd9Sstevel@tonic-gate * Setup MTRR (Memory type range registers) 14257c478bd9Sstevel@tonic-gate */ 14267c478bd9Sstevel@tonic-gate setup_mtrr(); 14277c478bd9Sstevel@tonic-gate PRM_POINT("startup_bop_gone() done"); 14287c478bd9Sstevel@tonic-gate } 14297c478bd9Sstevel@tonic-gate 14307c478bd9Sstevel@tonic-gate /* 14317c478bd9Sstevel@tonic-gate * Walk through the pagetables looking for pages mapped in by boot. If the 14327c478bd9Sstevel@tonic-gate * setaside flag is set the pages are expected to be returned to the 14337c478bd9Sstevel@tonic-gate * kernel later in boot, so we add them to the bootpages list. 14347c478bd9Sstevel@tonic-gate */ 14357c478bd9Sstevel@tonic-gate static void 14367c478bd9Sstevel@tonic-gate protect_boot_range(uintptr_t low, uintptr_t high, int setaside) 14377c478bd9Sstevel@tonic-gate { 14387c478bd9Sstevel@tonic-gate uintptr_t va = low; 14397c478bd9Sstevel@tonic-gate size_t len; 14407c478bd9Sstevel@tonic-gate uint_t prot; 14417c478bd9Sstevel@tonic-gate pfn_t pfn; 14427c478bd9Sstevel@tonic-gate page_t *pp; 14437c478bd9Sstevel@tonic-gate pgcnt_t boot_protect_cnt = 0; 14447c478bd9Sstevel@tonic-gate 14457c478bd9Sstevel@tonic-gate while (hat_boot_probe(&va, &len, &pfn, &prot) != 0 && va < high) { 14467c478bd9Sstevel@tonic-gate if (va + len >= high) 14477c478bd9Sstevel@tonic-gate panic("0x%lx byte mapping at 0x%p exceeds boot's " 14487c478bd9Sstevel@tonic-gate "legal range.", len, (void *)va); 14497c478bd9Sstevel@tonic-gate 14507c478bd9Sstevel@tonic-gate while (len > 0) { 14517c478bd9Sstevel@tonic-gate pp = page_numtopp_alloc(pfn); 14527c478bd9Sstevel@tonic-gate if (pp != NULL) { 14537c478bd9Sstevel@tonic-gate if (setaside == 0) 14547c478bd9Sstevel@tonic-gate panic("Unexpected mapping by boot. " 14557c478bd9Sstevel@tonic-gate "addr=%p pfn=%lx\n", 14567c478bd9Sstevel@tonic-gate (void *)va, pfn); 14577c478bd9Sstevel@tonic-gate 14587c478bd9Sstevel@tonic-gate pp->p_next = bootpages; 14597c478bd9Sstevel@tonic-gate bootpages = pp; 14607c478bd9Sstevel@tonic-gate ++boot_protect_cnt; 14617c478bd9Sstevel@tonic-gate } 14627c478bd9Sstevel@tonic-gate 14637c478bd9Sstevel@tonic-gate ++pfn; 14647c478bd9Sstevel@tonic-gate len -= MMU_PAGESIZE; 14657c478bd9Sstevel@tonic-gate va += MMU_PAGESIZE; 14667c478bd9Sstevel@tonic-gate } 14677c478bd9Sstevel@tonic-gate } 14687c478bd9Sstevel@tonic-gate PRM_DEBUG(boot_protect_cnt); 14697c478bd9Sstevel@tonic-gate } 14707c478bd9Sstevel@tonic-gate 14717c478bd9Sstevel@tonic-gate static void 14727c478bd9Sstevel@tonic-gate startup_vm(void) 14737c478bd9Sstevel@tonic-gate { 14747c478bd9Sstevel@tonic-gate struct segmap_crargs a; 14757c478bd9Sstevel@tonic-gate extern void hat_kern_setup(void); 14767c478bd9Sstevel@tonic-gate pgcnt_t pages_left; 14777c478bd9Sstevel@tonic-gate 1478beb1bda0Sdavemq extern int exec_lpg_disable, use_brk_lpg, use_stk_lpg, use_zmap_lpg; 1479beb1bda0Sdavemq extern pgcnt_t auto_lpg_min_physmem; 1480beb1bda0Sdavemq 14817c478bd9Sstevel@tonic-gate PRM_POINT("startup_vm() starting..."); 14827c478bd9Sstevel@tonic-gate 14837c478bd9Sstevel@tonic-gate /* 14847c478bd9Sstevel@tonic-gate * The next two loops are done in distinct steps in order 14857c478bd9Sstevel@tonic-gate * to be sure that any page that is doubly mapped (both above 14867c478bd9Sstevel@tonic-gate * KERNEL_TEXT and below kernelbase) is dealt with correctly. 14877c478bd9Sstevel@tonic-gate * Note this may never happen, but it might someday. 14887c478bd9Sstevel@tonic-gate */ 14897c478bd9Sstevel@tonic-gate 14907c478bd9Sstevel@tonic-gate bootpages = NULL; 14917c478bd9Sstevel@tonic-gate PRM_POINT("Protecting boot pages"); 14927c478bd9Sstevel@tonic-gate /* 14937c478bd9Sstevel@tonic-gate * Protect any pages mapped above KERNEL_TEXT that somehow have 14947c478bd9Sstevel@tonic-gate * page_t's. This can only happen if something weird allocated 14957c478bd9Sstevel@tonic-gate * in this range (like kadb/kmdb). 14967c478bd9Sstevel@tonic-gate */ 14977c478bd9Sstevel@tonic-gate protect_boot_range(KERNEL_TEXT, (uintptr_t)-1, 0); 14987c478bd9Sstevel@tonic-gate 14997c478bd9Sstevel@tonic-gate /* 15007c478bd9Sstevel@tonic-gate * Before we can take over memory allocation/mapping from the boot 15017c478bd9Sstevel@tonic-gate * loader we must remove from our free page lists any boot pages that 15027c478bd9Sstevel@tonic-gate * will stay mapped until release_bootstrap(). 15037c478bd9Sstevel@tonic-gate */ 15047c478bd9Sstevel@tonic-gate protect_boot_range(0, kernelbase, 1); 15057c478bd9Sstevel@tonic-gate #if defined(__amd64) 15067c478bd9Sstevel@tonic-gate protect_boot_range(BOOT_DOUBLEMAP_BASE, 15077c478bd9Sstevel@tonic-gate BOOT_DOUBLEMAP_BASE + BOOT_DOUBLEMAP_SIZE, 0); 15087c478bd9Sstevel@tonic-gate #endif 15097c478bd9Sstevel@tonic-gate 15107c478bd9Sstevel@tonic-gate /* 15117c478bd9Sstevel@tonic-gate * Copy in boot's page tables, set up extra page tables for the kernel, 15127c478bd9Sstevel@tonic-gate * and switch to the kernel's context. 15137c478bd9Sstevel@tonic-gate */ 15147c478bd9Sstevel@tonic-gate PRM_POINT("Calling hat_kern_setup()..."); 15157c478bd9Sstevel@tonic-gate hat_kern_setup(); 15167c478bd9Sstevel@tonic-gate 15177c478bd9Sstevel@tonic-gate /* 15187c478bd9Sstevel@tonic-gate * It is no longer safe to call BOP_ALLOC(), so make sure we don't. 15197c478bd9Sstevel@tonic-gate */ 15207c478bd9Sstevel@tonic-gate bootops->bsys_alloc = NULL; 15217c478bd9Sstevel@tonic-gate PRM_POINT("hat_kern_setup() done"); 15227c478bd9Sstevel@tonic-gate 15237c478bd9Sstevel@tonic-gate hat_cpu_online(CPU); 15247c478bd9Sstevel@tonic-gate 15257c478bd9Sstevel@tonic-gate /* 15267c478bd9Sstevel@tonic-gate * Before we call kvm_init(), we need to establish the final size 15277c478bd9Sstevel@tonic-gate * of the kernel's heap. So, we need to figure out how much space 15287c478bd9Sstevel@tonic-gate * to set aside for segkp, segkpm, and segmap. 15297c478bd9Sstevel@tonic-gate */ 15307c478bd9Sstevel@tonic-gate final_kernelheap = (caddr_t)ROUND_UP_LPAGE(kernelbase); 15317c478bd9Sstevel@tonic-gate #if defined(__amd64) 15327c478bd9Sstevel@tonic-gate if (kpm_desired) { 15337c478bd9Sstevel@tonic-gate /* 15347c478bd9Sstevel@tonic-gate * Segkpm appears at the bottom of the kernel's address 15357c478bd9Sstevel@tonic-gate * range. To detect accidental overruns of the user 15367c478bd9Sstevel@tonic-gate * address space, we leave a "red zone" of unmapped memory 15377c478bd9Sstevel@tonic-gate * between kernelbase and the beginning of segkpm. 15387c478bd9Sstevel@tonic-gate */ 15397c478bd9Sstevel@tonic-gate kpm_vbase = final_kernelheap + KERNEL_REDZONE_SIZE; 1540a5652762Spraks kpm_size = mmu_ptob(physmax + 1); 15417c478bd9Sstevel@tonic-gate PRM_DEBUG(kpm_vbase); 15427c478bd9Sstevel@tonic-gate PRM_DEBUG(kpm_size); 15437c478bd9Sstevel@tonic-gate final_kernelheap = 15447c478bd9Sstevel@tonic-gate (caddr_t)ROUND_UP_TOPLEVEL(kpm_vbase + kpm_size); 15457c478bd9Sstevel@tonic-gate } 15467c478bd9Sstevel@tonic-gate 15477c478bd9Sstevel@tonic-gate if (!segkp_fromheap) { 15487c478bd9Sstevel@tonic-gate size_t sz = mmu_ptob(segkpsize); 15497c478bd9Sstevel@tonic-gate 15507c478bd9Sstevel@tonic-gate /* 15517c478bd9Sstevel@tonic-gate * determine size of segkp and adjust the bottom of the 15527c478bd9Sstevel@tonic-gate * kernel's heap. 15537c478bd9Sstevel@tonic-gate */ 15547c478bd9Sstevel@tonic-gate if (sz < SEGKPMINSIZE || sz > SEGKPMAXSIZE) { 15557c478bd9Sstevel@tonic-gate sz = SEGKPDEFSIZE; 15567c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!Illegal value for segkpsize. " 15577c478bd9Sstevel@tonic-gate "segkpsize has been reset to %ld pages", 15587c478bd9Sstevel@tonic-gate mmu_btop(sz)); 15597c478bd9Sstevel@tonic-gate } 15607c478bd9Sstevel@tonic-gate sz = MIN(sz, MAX(SEGKPMINSIZE, mmu_ptob(physmem))); 15617c478bd9Sstevel@tonic-gate 15627c478bd9Sstevel@tonic-gate segkpsize = mmu_btop(ROUND_UP_LPAGE(sz)); 15637c478bd9Sstevel@tonic-gate segkp_base = final_kernelheap; 15647c478bd9Sstevel@tonic-gate PRM_DEBUG(segkpsize); 15657c478bd9Sstevel@tonic-gate PRM_DEBUG(segkp_base); 15667c478bd9Sstevel@tonic-gate final_kernelheap = segkp_base + mmu_ptob(segkpsize); 15677c478bd9Sstevel@tonic-gate PRM_DEBUG(final_kernelheap); 15687c478bd9Sstevel@tonic-gate } 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate /* 15717c478bd9Sstevel@tonic-gate * put the range of VA for device mappings next 15727c478bd9Sstevel@tonic-gate */ 15737c478bd9Sstevel@tonic-gate toxic_addr = (uintptr_t)final_kernelheap; 15747c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_addr); 15757c478bd9Sstevel@tonic-gate final_kernelheap = (char *)toxic_addr + toxic_size; 15767c478bd9Sstevel@tonic-gate #endif 15777c478bd9Sstevel@tonic-gate PRM_DEBUG(final_kernelheap); 15787c478bd9Sstevel@tonic-gate ASSERT(final_kernelheap < boot_kernelheap); 15797c478bd9Sstevel@tonic-gate 15807c478bd9Sstevel@tonic-gate /* 15817c478bd9Sstevel@tonic-gate * Users can change segmapsize through eeprom or /etc/system. 15827c478bd9Sstevel@tonic-gate * If the variable is tuned through eeprom, there is no upper 15837c478bd9Sstevel@tonic-gate * bound on the size of segmap. If it is tuned through 15847c478bd9Sstevel@tonic-gate * /etc/system on 32-bit systems, it must be no larger than we 15857c478bd9Sstevel@tonic-gate * planned for in startup_memlist(). 15867c478bd9Sstevel@tonic-gate */ 15877c478bd9Sstevel@tonic-gate segmapsize = MAX(ROUND_UP_LPAGE(segmapsize), SEGMAPDEFAULT); 15887c478bd9Sstevel@tonic-gate segkmap_start = ROUND_UP_LPAGE((uintptr_t)final_kernelheap); 15897c478bd9Sstevel@tonic-gate 15907c478bd9Sstevel@tonic-gate #if defined(__i386) 15917c478bd9Sstevel@tonic-gate if (segmapsize > segmap_reserved) { 15927c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!segmapsize may not be set > 0x%lx in " 15937c478bd9Sstevel@tonic-gate "/etc/system. Use eeprom.", (long)SEGMAPMAX); 15947c478bd9Sstevel@tonic-gate segmapsize = segmap_reserved; 15957c478bd9Sstevel@tonic-gate } 15967c478bd9Sstevel@tonic-gate /* 15977c478bd9Sstevel@tonic-gate * 32-bit systems don't have segkpm or segkp, so segmap appears at 15987c478bd9Sstevel@tonic-gate * the bottom of the kernel's address range. Set aside space for a 15997c478bd9Sstevel@tonic-gate * red zone just below the start of segmap. 16007c478bd9Sstevel@tonic-gate */ 16017c478bd9Sstevel@tonic-gate segkmap_start += KERNEL_REDZONE_SIZE; 16027c478bd9Sstevel@tonic-gate segmapsize -= KERNEL_REDZONE_SIZE; 16037c478bd9Sstevel@tonic-gate #endif 16047c478bd9Sstevel@tonic-gate final_kernelheap = (char *)(segkmap_start + segmapsize); 16057c478bd9Sstevel@tonic-gate 16067c478bd9Sstevel@tonic-gate PRM_DEBUG(segkmap_start); 16077c478bd9Sstevel@tonic-gate PRM_DEBUG(segmapsize); 16087c478bd9Sstevel@tonic-gate PRM_DEBUG(final_kernelheap); 16097c478bd9Sstevel@tonic-gate 16107c478bd9Sstevel@tonic-gate /* 16117c478bd9Sstevel@tonic-gate * Initialize VM system 16127c478bd9Sstevel@tonic-gate */ 16137c478bd9Sstevel@tonic-gate PRM_POINT("Calling kvm_init()..."); 16147c478bd9Sstevel@tonic-gate kvm_init(); 16157c478bd9Sstevel@tonic-gate PRM_POINT("kvm_init() done"); 16167c478bd9Sstevel@tonic-gate 16177c478bd9Sstevel@tonic-gate /* 16187c478bd9Sstevel@tonic-gate * Tell kmdb that the VM system is now working 16197c478bd9Sstevel@tonic-gate */ 16207c478bd9Sstevel@tonic-gate if (boothowto & RB_DEBUG) 16217c478bd9Sstevel@tonic-gate kdi_dvec_vmready(); 16227c478bd9Sstevel@tonic-gate 16237c478bd9Sstevel@tonic-gate /* 16247c478bd9Sstevel@tonic-gate * Mangle the brand string etc. 16257c478bd9Sstevel@tonic-gate */ 16267c478bd9Sstevel@tonic-gate cpuid_pass3(CPU); 16277c478bd9Sstevel@tonic-gate 16287c478bd9Sstevel@tonic-gate PRM_DEBUG(final_kernelheap); 16297c478bd9Sstevel@tonic-gate 16307c478bd9Sstevel@tonic-gate /* 16317c478bd9Sstevel@tonic-gate * Now that we can use memory outside the top 4GB (on 64-bit 16327c478bd9Sstevel@tonic-gate * systems) and we know the size of segmap, we can set the final 16337c478bd9Sstevel@tonic-gate * size of the kernel's heap. Note: on 64-bit systems we still 16347c478bd9Sstevel@tonic-gate * can't touch anything in the bottom half of the top 4GB range 16357c478bd9Sstevel@tonic-gate * because boot still has pages mapped there. 16367c478bd9Sstevel@tonic-gate */ 16377c478bd9Sstevel@tonic-gate if (final_kernelheap < boot_kernelheap) { 16387c478bd9Sstevel@tonic-gate kernelheap_extend(final_kernelheap, boot_kernelheap); 16397c478bd9Sstevel@tonic-gate #if defined(__amd64) 16407c478bd9Sstevel@tonic-gate kmem_setaside = vmem_xalloc(heap_arena, BOOT_DOUBLEMAP_SIZE, 16417c478bd9Sstevel@tonic-gate MMU_PAGESIZE, 0, 0, (void *)(BOOT_DOUBLEMAP_BASE), 16427c478bd9Sstevel@tonic-gate (void *)(BOOT_DOUBLEMAP_BASE + BOOT_DOUBLEMAP_SIZE), 16437c478bd9Sstevel@tonic-gate VM_NOSLEEP | VM_BESTFIT | VM_PANIC); 16447c478bd9Sstevel@tonic-gate PRM_DEBUG(kmem_setaside); 16457c478bd9Sstevel@tonic-gate if (kmem_setaside == NULL) 16467c478bd9Sstevel@tonic-gate panic("Could not protect boot's memory"); 16477c478bd9Sstevel@tonic-gate #endif 16487c478bd9Sstevel@tonic-gate } 16497c478bd9Sstevel@tonic-gate /* 16507c478bd9Sstevel@tonic-gate * Now that the kernel heap may have grown significantly, we need 16517c478bd9Sstevel@tonic-gate * to make all the remaining page_t's available to back that memory. 16527c478bd9Sstevel@tonic-gate * 16537c478bd9Sstevel@tonic-gate * XX64 this should probably wait till after release boot-strap too. 16547c478bd9Sstevel@tonic-gate */ 16557c478bd9Sstevel@tonic-gate pages_left = npages - boot_npages; 16567c478bd9Sstevel@tonic-gate if (pages_left > 0) { 16577c478bd9Sstevel@tonic-gate PRM_DEBUG(pages_left); 16587c478bd9Sstevel@tonic-gate (void) kphysm_init(NULL, memseg_base, boot_npages, pages_left); 16597c478bd9Sstevel@tonic-gate } 16607c478bd9Sstevel@tonic-gate 16617c478bd9Sstevel@tonic-gate #if defined(__amd64) 16627c478bd9Sstevel@tonic-gate 16637c478bd9Sstevel@tonic-gate /* 16647c478bd9Sstevel@tonic-gate * Create the device arena for toxic (to dtrace/kmdb) mappings. 16657c478bd9Sstevel@tonic-gate */ 16667c478bd9Sstevel@tonic-gate device_arena = vmem_create("device", (void *)toxic_addr, 16677c478bd9Sstevel@tonic-gate toxic_size, MMU_PAGESIZE, NULL, NULL, NULL, 0, VM_SLEEP); 16687c478bd9Sstevel@tonic-gate 16697c478bd9Sstevel@tonic-gate #else /* __i386 */ 16707c478bd9Sstevel@tonic-gate 16717c478bd9Sstevel@tonic-gate /* 16727c478bd9Sstevel@tonic-gate * allocate the bit map that tracks toxic pages 16737c478bd9Sstevel@tonic-gate */ 16747c478bd9Sstevel@tonic-gate toxic_bit_map_len = btop((ulong_t)(ptable_va - kernelbase)); 16757c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_bit_map_len); 16767c478bd9Sstevel@tonic-gate toxic_bit_map = 16777c478bd9Sstevel@tonic-gate kmem_zalloc(BT_SIZEOFMAP(toxic_bit_map_len), KM_NOSLEEP); 16787c478bd9Sstevel@tonic-gate ASSERT(toxic_bit_map != NULL); 16797c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_bit_map); 16807c478bd9Sstevel@tonic-gate 16817c478bd9Sstevel@tonic-gate #endif /* __i386 */ 16827c478bd9Sstevel@tonic-gate 16837c478bd9Sstevel@tonic-gate 16847c478bd9Sstevel@tonic-gate /* 16857c478bd9Sstevel@tonic-gate * Now that we've got more VA, as well as the ability to allocate from 16867c478bd9Sstevel@tonic-gate * it, tell the debugger. 16877c478bd9Sstevel@tonic-gate */ 16887c478bd9Sstevel@tonic-gate if (boothowto & RB_DEBUG) 16897c478bd9Sstevel@tonic-gate kdi_dvec_memavail(); 16907c478bd9Sstevel@tonic-gate 16917c478bd9Sstevel@tonic-gate /* 16927c478bd9Sstevel@tonic-gate * The following code installs a special page fault handler (#pf) 16937c478bd9Sstevel@tonic-gate * to work around a pentium bug. 16947c478bd9Sstevel@tonic-gate */ 16957c478bd9Sstevel@tonic-gate #if !defined(__amd64) 16967c478bd9Sstevel@tonic-gate if (x86_type == X86_TYPE_P5) { 16977c478bd9Sstevel@tonic-gate gate_desc_t *newidt; 16987c478bd9Sstevel@tonic-gate desctbr_t newidt_r; 16997c478bd9Sstevel@tonic-gate 17007c478bd9Sstevel@tonic-gate if ((newidt = kmem_zalloc(MMU_PAGESIZE, KM_NOSLEEP)) == NULL) 17017c478bd9Sstevel@tonic-gate panic("failed to install pentium_pftrap"); 17027c478bd9Sstevel@tonic-gate 17037c478bd9Sstevel@tonic-gate bcopy(idt0, newidt, sizeof (idt0)); 17047c478bd9Sstevel@tonic-gate set_gatesegd(&newidt[T_PGFLT], &pentium_pftrap, 17057c478bd9Sstevel@tonic-gate KCS_SEL, 0, SDT_SYSIGT, SEL_KPL); 17067c478bd9Sstevel@tonic-gate 17077c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, (caddr_t)newidt, MMU_PAGESIZE, 17087c478bd9Sstevel@tonic-gate PROT_READ|PROT_EXEC); 17097c478bd9Sstevel@tonic-gate 17107c478bd9Sstevel@tonic-gate newidt_r.dtr_limit = sizeof (idt0) - 1; 17117c478bd9Sstevel@tonic-gate newidt_r.dtr_base = (uintptr_t)newidt; 17127c478bd9Sstevel@tonic-gate CPU->cpu_idt = newidt; 17137c478bd9Sstevel@tonic-gate wr_idtr(&newidt_r); 17147c478bd9Sstevel@tonic-gate } 17157c478bd9Sstevel@tonic-gate #endif /* !__amd64 */ 17167c478bd9Sstevel@tonic-gate 17177c478bd9Sstevel@tonic-gate /* 17187c478bd9Sstevel@tonic-gate * Map page pfn=0 for drivers, such as kd, that need to pick up 17197c478bd9Sstevel@tonic-gate * parameters left there by controllers/BIOS. 17207c478bd9Sstevel@tonic-gate */ 17217c478bd9Sstevel@tonic-gate PRM_POINT("setup up p0_va"); 17227c478bd9Sstevel@tonic-gate p0_va = i86devmap(0, 1, PROT_READ); 17237c478bd9Sstevel@tonic-gate PRM_DEBUG(p0_va); 17247c478bd9Sstevel@tonic-gate 17257c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?mem = %luK (0x%lx)\n", 17267c478bd9Sstevel@tonic-gate physinstalled << (MMU_PAGESHIFT - 10), ptob(physinstalled)); 17277c478bd9Sstevel@tonic-gate 172883f9b804Skchow /* 172983f9b804Skchow * disable automatic large pages for small memory systems or 173083f9b804Skchow * when the disable flag is set. 173183f9b804Skchow */ 173283f9b804Skchow if (physmem < auto_lpg_min_physmem || auto_lpg_disable) { 1733beb1bda0Sdavemq exec_lpg_disable = 1; 1734beb1bda0Sdavemq use_brk_lpg = 0; 1735beb1bda0Sdavemq use_stk_lpg = 0; 1736beb1bda0Sdavemq use_zmap_lpg = 0; 1737beb1bda0Sdavemq } 1738beb1bda0Sdavemq 17397c478bd9Sstevel@tonic-gate PRM_POINT("Calling hat_init_finish()..."); 17407c478bd9Sstevel@tonic-gate hat_init_finish(); 17417c478bd9Sstevel@tonic-gate PRM_POINT("hat_init_finish() done"); 17427c478bd9Sstevel@tonic-gate 17437c478bd9Sstevel@tonic-gate /* 17447c478bd9Sstevel@tonic-gate * Initialize the segkp segment type. 17457c478bd9Sstevel@tonic-gate */ 17467c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 17477c478bd9Sstevel@tonic-gate if (!segkp_fromheap) { 17487c478bd9Sstevel@tonic-gate if (seg_attach(&kas, (caddr_t)segkp_base, mmu_ptob(segkpsize), 17497c478bd9Sstevel@tonic-gate segkp) < 0) { 17507c478bd9Sstevel@tonic-gate panic("startup: cannot attach segkp"); 17517c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 17527c478bd9Sstevel@tonic-gate } 17537c478bd9Sstevel@tonic-gate } else { 17547c478bd9Sstevel@tonic-gate /* 17557c478bd9Sstevel@tonic-gate * For 32 bit x86 systems, we will have segkp under the heap. 17567c478bd9Sstevel@tonic-gate * There will not be a segkp segment. We do, however, need 17577c478bd9Sstevel@tonic-gate * to fill in the seg structure. 17587c478bd9Sstevel@tonic-gate */ 17597c478bd9Sstevel@tonic-gate segkp->s_as = &kas; 17607c478bd9Sstevel@tonic-gate } 17617c478bd9Sstevel@tonic-gate if (segkp_create(segkp) != 0) { 17627c478bd9Sstevel@tonic-gate panic("startup: segkp_create failed"); 17637c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 17647c478bd9Sstevel@tonic-gate } 17657c478bd9Sstevel@tonic-gate PRM_DEBUG(segkp); 17667c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 17677c478bd9Sstevel@tonic-gate 17687c478bd9Sstevel@tonic-gate /* 17697c478bd9Sstevel@tonic-gate * kpm segment 17707c478bd9Sstevel@tonic-gate */ 17717c478bd9Sstevel@tonic-gate segmap_kpm = 0; 17727c478bd9Sstevel@tonic-gate if (kpm_desired) { 17737c478bd9Sstevel@tonic-gate kpm_init(); 17747c478bd9Sstevel@tonic-gate kpm_enable = 1; 1775a5652762Spraks vpm_enable = 1; 17767c478bd9Sstevel@tonic-gate } 17777c478bd9Sstevel@tonic-gate 17787c478bd9Sstevel@tonic-gate /* 17797c478bd9Sstevel@tonic-gate * Now create segmap segment. 17807c478bd9Sstevel@tonic-gate */ 17817c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 17827c478bd9Sstevel@tonic-gate if (seg_attach(&kas, (caddr_t)segkmap_start, segmapsize, segkmap) < 0) { 17837c478bd9Sstevel@tonic-gate panic("cannot attach segkmap"); 17847c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 17857c478bd9Sstevel@tonic-gate } 17867c478bd9Sstevel@tonic-gate PRM_DEBUG(segkmap); 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate /* 17897c478bd9Sstevel@tonic-gate * The 64 bit HAT permanently maps only segmap's page tables. 17907c478bd9Sstevel@tonic-gate * The 32 bit HAT maps the heap's page tables too. 17917c478bd9Sstevel@tonic-gate */ 17927c478bd9Sstevel@tonic-gate #if defined(__amd64) 17937c478bd9Sstevel@tonic-gate hat_kmap_init(segkmap_start, segmapsize); 17947c478bd9Sstevel@tonic-gate #else /* __i386 */ 17957c478bd9Sstevel@tonic-gate ASSERT(segkmap_start + segmapsize == (uintptr_t)final_kernelheap); 17967c478bd9Sstevel@tonic-gate hat_kmap_init(segkmap_start, (uintptr_t)ekernelheap - segkmap_start); 17977c478bd9Sstevel@tonic-gate #endif /* __i386 */ 17987c478bd9Sstevel@tonic-gate 17997c478bd9Sstevel@tonic-gate a.prot = PROT_READ | PROT_WRITE; 18007c478bd9Sstevel@tonic-gate a.shmsize = 0; 18017c478bd9Sstevel@tonic-gate a.nfreelist = segmapfreelists; 18027c478bd9Sstevel@tonic-gate 18037c478bd9Sstevel@tonic-gate if (segmap_create(segkmap, (caddr_t)&a) != 0) 18047c478bd9Sstevel@tonic-gate panic("segmap_create segkmap"); 18057c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 18067c478bd9Sstevel@tonic-gate 18077c478bd9Sstevel@tonic-gate setup_vaddr_for_ppcopy(CPU); 18087c478bd9Sstevel@tonic-gate 18097c478bd9Sstevel@tonic-gate segdev_init(); 18107c478bd9Sstevel@tonic-gate pmem_init(); 18117c478bd9Sstevel@tonic-gate PRM_POINT("startup_vm() done"); 18127c478bd9Sstevel@tonic-gate } 18137c478bd9Sstevel@tonic-gate 18147c478bd9Sstevel@tonic-gate static void 18157c478bd9Sstevel@tonic-gate startup_end(void) 18167c478bd9Sstevel@tonic-gate { 18177c478bd9Sstevel@tonic-gate extern void setx86isalist(void); 18187c478bd9Sstevel@tonic-gate 18197c478bd9Sstevel@tonic-gate PRM_POINT("startup_end() starting..."); 18207c478bd9Sstevel@tonic-gate 18217c478bd9Sstevel@tonic-gate /* 18227c478bd9Sstevel@tonic-gate * Perform tasks that get done after most of the VM 18237c478bd9Sstevel@tonic-gate * initialization has been done but before the clock 18247c478bd9Sstevel@tonic-gate * and other devices get started. 18257c478bd9Sstevel@tonic-gate */ 18267c478bd9Sstevel@tonic-gate kern_setup1(); 18277c478bd9Sstevel@tonic-gate 18287c478bd9Sstevel@tonic-gate /* 18297c478bd9Sstevel@tonic-gate * Perform CPC initialization for this CPU. 18307c478bd9Sstevel@tonic-gate */ 18317c478bd9Sstevel@tonic-gate kcpc_hw_init(CPU); 18327c478bd9Sstevel@tonic-gate 18337c478bd9Sstevel@tonic-gate #if defined(__amd64) 18347c478bd9Sstevel@tonic-gate /* 18357c478bd9Sstevel@tonic-gate * Validate support for syscall/sysret 18367c478bd9Sstevel@tonic-gate * XX64 -- include SSE, SSE2, etc. here too? 18377c478bd9Sstevel@tonic-gate */ 18387c478bd9Sstevel@tonic-gate if ((x86_feature & X86_ASYSC) == 0) { 18397c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, 18407c478bd9Sstevel@tonic-gate "cpu%d does not support syscall/sysret", CPU->cpu_id); 18417c478bd9Sstevel@tonic-gate } 18427c478bd9Sstevel@tonic-gate #endif 1843ee88d2b9Skchow 1844ee88d2b9Skchow #if defined(OPTERON_WORKAROUND_6323525) 1845ee88d2b9Skchow if (opteron_workaround_6323525) 1846ee88d2b9Skchow patch_workaround_6323525(); 1847ee88d2b9Skchow #endif 18487c478bd9Sstevel@tonic-gate /* 18497c478bd9Sstevel@tonic-gate * Configure the system. 18507c478bd9Sstevel@tonic-gate */ 18517c478bd9Sstevel@tonic-gate PRM_POINT("Calling configure()..."); 18527c478bd9Sstevel@tonic-gate configure(); /* set up devices */ 18537c478bd9Sstevel@tonic-gate PRM_POINT("configure() done"); 18547c478bd9Sstevel@tonic-gate 18557c478bd9Sstevel@tonic-gate /* 18567c478bd9Sstevel@tonic-gate * Set the isa_list string to the defined instruction sets we 18577c478bd9Sstevel@tonic-gate * support. 18587c478bd9Sstevel@tonic-gate */ 18597c478bd9Sstevel@tonic-gate setx86isalist(); 1860100b72f4Sandrei cpu_intr_alloc(CPU, NINTR_THREADS); 18617c478bd9Sstevel@tonic-gate psm_install(); 18627c478bd9Sstevel@tonic-gate 18637c478bd9Sstevel@tonic-gate /* 18647c478bd9Sstevel@tonic-gate * We're done with bootops. We don't unmap the bootstrap yet because 18657c478bd9Sstevel@tonic-gate * we're still using bootsvcs. 18667c478bd9Sstevel@tonic-gate */ 18677c478bd9Sstevel@tonic-gate PRM_POINT("zeroing out bootops"); 18687c478bd9Sstevel@tonic-gate *bootopsp = (struct bootops *)0; 18697c478bd9Sstevel@tonic-gate bootops = (struct bootops *)NULL; 18707c478bd9Sstevel@tonic-gate 18717c478bd9Sstevel@tonic-gate PRM_POINT("Enabling interrupts"); 18727c478bd9Sstevel@tonic-gate (*picinitf)(); 18737c478bd9Sstevel@tonic-gate sti(); 18747c478bd9Sstevel@tonic-gate 18757c478bd9Sstevel@tonic-gate (void) add_avsoftintr((void *)&softlevel1_hdl, 1, softlevel1, 18767c478bd9Sstevel@tonic-gate "softlevel1", NULL, NULL); /* XXX to be moved later */ 18777c478bd9Sstevel@tonic-gate 18787c478bd9Sstevel@tonic-gate PRM_POINT("startup_end() done"); 18797c478bd9Sstevel@tonic-gate } 18807c478bd9Sstevel@tonic-gate 18817c478bd9Sstevel@tonic-gate extern char hw_serial[]; 18827c478bd9Sstevel@tonic-gate char *_hs1107 = hw_serial; 18837c478bd9Sstevel@tonic-gate ulong_t _bdhs34; 18847c478bd9Sstevel@tonic-gate 18857c478bd9Sstevel@tonic-gate void 18867c478bd9Sstevel@tonic-gate post_startup(void) 18877c478bd9Sstevel@tonic-gate { 18887c478bd9Sstevel@tonic-gate /* 18897c478bd9Sstevel@tonic-gate * Set the system wide, processor-specific flags to be passed 18907c478bd9Sstevel@tonic-gate * to userland via the aux vector for performance hints and 18917c478bd9Sstevel@tonic-gate * instruction set extensions. 18927c478bd9Sstevel@tonic-gate */ 18937c478bd9Sstevel@tonic-gate bind_hwcap(); 18947c478bd9Sstevel@tonic-gate 18957c478bd9Sstevel@tonic-gate /* 189684ab085aSmws * Load the System Management BIOS into the global ksmbios handle, 189784ab085aSmws * if an SMBIOS is present on this system. 18987c478bd9Sstevel@tonic-gate */ 189984ab085aSmws ksmbios = smbios_open(NULL, SMB_VERSION, ksmbios_flags, NULL); 19007c478bd9Sstevel@tonic-gate 19017c478bd9Sstevel@tonic-gate /* 190284ab085aSmws * Startup memory scrubber. 19037c478bd9Sstevel@tonic-gate */ 190484ab085aSmws memscrub_init(); 19057c478bd9Sstevel@tonic-gate 19067aec1d6eScindi /* 19077aec1d6eScindi * Complete CPU module initialization 19087aec1d6eScindi */ 19097aec1d6eScindi cmi_post_init(); 19107aec1d6eScindi 19117c478bd9Sstevel@tonic-gate /* 191284ab085aSmws * Perform forceloading tasks for /etc/system. 19137c478bd9Sstevel@tonic-gate */ 191484ab085aSmws (void) mod_sysctl(SYS_FORCELOAD, NULL); 19157c478bd9Sstevel@tonic-gate 19167c478bd9Sstevel@tonic-gate /* 19177c478bd9Sstevel@tonic-gate * ON4.0: Force /proc module in until clock interrupt handle fixed 19187c478bd9Sstevel@tonic-gate * ON4.0: This must be fixed or restated in /etc/systems. 19197c478bd9Sstevel@tonic-gate */ 19207c478bd9Sstevel@tonic-gate (void) modload("fs", "procfs"); 19217c478bd9Sstevel@tonic-gate 19227c478bd9Sstevel@tonic-gate #if defined(__i386) 19237c478bd9Sstevel@tonic-gate /* 19247c478bd9Sstevel@tonic-gate * Check for required functional Floating Point hardware, 19257c478bd9Sstevel@tonic-gate * unless FP hardware explicitly disabled. 19267c478bd9Sstevel@tonic-gate */ 19277c478bd9Sstevel@tonic-gate if (fpu_exists && (fpu_pentium_fdivbug || fp_kind == FP_NO)) 19287c478bd9Sstevel@tonic-gate halt("No working FP hardware found"); 19297c478bd9Sstevel@tonic-gate #endif 19307c478bd9Sstevel@tonic-gate 19317c478bd9Sstevel@tonic-gate maxmem = freemem; 19327c478bd9Sstevel@tonic-gate 19337c478bd9Sstevel@tonic-gate add_cpunode2devtree(CPU->cpu_id, CPU->cpu_m.mcpu_cpi); 19347c478bd9Sstevel@tonic-gate 19357c478bd9Sstevel@tonic-gate /* 19367c478bd9Sstevel@tonic-gate * Perform the formal initialization of the boot chip, 19377c478bd9Sstevel@tonic-gate * and associate the boot cpu with it. 19387c478bd9Sstevel@tonic-gate * This must be done after the cpu node for CPU has been 19397c478bd9Sstevel@tonic-gate * added to the device tree, when the necessary probing to 19407c478bd9Sstevel@tonic-gate * know the chip type and chip "id" is performed. 19417c478bd9Sstevel@tonic-gate */ 19427c478bd9Sstevel@tonic-gate chip_cpu_init(CPU); 19437c478bd9Sstevel@tonic-gate chip_cpu_assign(CPU); 19447c478bd9Sstevel@tonic-gate } 19457c478bd9Sstevel@tonic-gate 19467c478bd9Sstevel@tonic-gate static int 19477c478bd9Sstevel@tonic-gate pp_in_ramdisk(page_t *pp) 19487c478bd9Sstevel@tonic-gate { 19497c478bd9Sstevel@tonic-gate extern uint64_t ramdisk_start, ramdisk_end; 19507c478bd9Sstevel@tonic-gate 19517c478bd9Sstevel@tonic-gate return ((pp->p_pagenum >= btop(ramdisk_start)) && 19527c478bd9Sstevel@tonic-gate (pp->p_pagenum < btopr(ramdisk_end))); 19537c478bd9Sstevel@tonic-gate } 19547c478bd9Sstevel@tonic-gate 19557c478bd9Sstevel@tonic-gate void 19567c478bd9Sstevel@tonic-gate release_bootstrap(void) 19577c478bd9Sstevel@tonic-gate { 19587c478bd9Sstevel@tonic-gate int root_is_ramdisk; 19597c478bd9Sstevel@tonic-gate pfn_t pfn; 19607c478bd9Sstevel@tonic-gate page_t *pp; 19617c478bd9Sstevel@tonic-gate extern void kobj_boot_unmountroot(void); 19627c478bd9Sstevel@tonic-gate extern dev_t rootdev; 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate /* unmount boot ramdisk and release kmem usage */ 19657c478bd9Sstevel@tonic-gate kobj_boot_unmountroot(); 19667c478bd9Sstevel@tonic-gate 19677c478bd9Sstevel@tonic-gate /* 19687c478bd9Sstevel@tonic-gate * We're finished using the boot loader so free its pages. 19697c478bd9Sstevel@tonic-gate */ 19707c478bd9Sstevel@tonic-gate PRM_POINT("Unmapping lower boot pages"); 19717c478bd9Sstevel@tonic-gate clear_boot_mappings(0, kernelbase); 19727c478bd9Sstevel@tonic-gate #if defined(__amd64) 19737c478bd9Sstevel@tonic-gate PRM_POINT("Unmapping upper boot pages"); 19747c478bd9Sstevel@tonic-gate clear_boot_mappings(BOOT_DOUBLEMAP_BASE, 19757c478bd9Sstevel@tonic-gate BOOT_DOUBLEMAP_BASE + BOOT_DOUBLEMAP_SIZE); 19767c478bd9Sstevel@tonic-gate #endif 19777c478bd9Sstevel@tonic-gate 19787c478bd9Sstevel@tonic-gate /* 19797c478bd9Sstevel@tonic-gate * If root isn't on ramdisk, destroy the hardcoded 19807c478bd9Sstevel@tonic-gate * ramdisk node now and release the memory. Else, 19817c478bd9Sstevel@tonic-gate * ramdisk memory is kept in rd_pages. 19827c478bd9Sstevel@tonic-gate */ 19837c478bd9Sstevel@tonic-gate root_is_ramdisk = (getmajor(rootdev) == ddi_name_to_major("ramdisk")); 19847c478bd9Sstevel@tonic-gate if (!root_is_ramdisk) { 19857c478bd9Sstevel@tonic-gate dev_info_t *dip = ddi_find_devinfo("ramdisk", -1, 0); 19867c478bd9Sstevel@tonic-gate ASSERT(dip && ddi_get_parent(dip) == ddi_root_node()); 19877c478bd9Sstevel@tonic-gate ndi_rele_devi(dip); /* held from ddi_find_devinfo */ 19887c478bd9Sstevel@tonic-gate (void) ddi_remove_child(dip, 0); 19897c478bd9Sstevel@tonic-gate } 19907c478bd9Sstevel@tonic-gate 19917c478bd9Sstevel@tonic-gate PRM_POINT("Releasing boot pages"); 19927c478bd9Sstevel@tonic-gate while (bootpages) { 19937c478bd9Sstevel@tonic-gate pp = bootpages; 19947c478bd9Sstevel@tonic-gate bootpages = pp->p_next; 19957c478bd9Sstevel@tonic-gate if (root_is_ramdisk && pp_in_ramdisk(pp)) { 19967c478bd9Sstevel@tonic-gate pp->p_next = rd_pages; 19977c478bd9Sstevel@tonic-gate rd_pages = pp; 19987c478bd9Sstevel@tonic-gate continue; 19997c478bd9Sstevel@tonic-gate } 20007c478bd9Sstevel@tonic-gate pp->p_next = (struct page *)0; 20017c478bd9Sstevel@tonic-gate page_free(pp, 1); 20027c478bd9Sstevel@tonic-gate } 20037c478bd9Sstevel@tonic-gate 20047c478bd9Sstevel@tonic-gate /* 20057c478bd9Sstevel@tonic-gate * Find 1 page below 1 MB so that other processors can boot up. 20067c478bd9Sstevel@tonic-gate * Make sure it has a kernel VA as well as a 1:1 mapping. 20077c478bd9Sstevel@tonic-gate * We should have just free'd one up. 20087c478bd9Sstevel@tonic-gate */ 20097c478bd9Sstevel@tonic-gate if (use_mp) { 20107c478bd9Sstevel@tonic-gate for (pfn = 1; pfn < btop(1*1024*1024); pfn++) { 20117c478bd9Sstevel@tonic-gate if (page_numtopp_alloc(pfn) == NULL) 20127c478bd9Sstevel@tonic-gate continue; 20137c478bd9Sstevel@tonic-gate rm_platter_va = i86devmap(pfn, 1, 20147c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 20157c478bd9Sstevel@tonic-gate rm_platter_pa = ptob(pfn); 20167c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, 20177c478bd9Sstevel@tonic-gate (caddr_t)(uintptr_t)rm_platter_pa, MMU_PAGESIZE, 20187c478bd9Sstevel@tonic-gate pfn, PROT_READ | PROT_WRITE | PROT_EXEC, 20197c478bd9Sstevel@tonic-gate HAT_LOAD_NOCONSIST); 20207c478bd9Sstevel@tonic-gate break; 20217c478bd9Sstevel@tonic-gate } 20227c478bd9Sstevel@tonic-gate if (pfn == btop(1*1024*1024)) 20237c478bd9Sstevel@tonic-gate panic("No page available for starting " 20247c478bd9Sstevel@tonic-gate "other processors"); 20257c478bd9Sstevel@tonic-gate } 20267c478bd9Sstevel@tonic-gate 20277c478bd9Sstevel@tonic-gate #if defined(__amd64) 20287c478bd9Sstevel@tonic-gate PRM_POINT("Returning boot's VA space to kernel heap"); 20297c478bd9Sstevel@tonic-gate if (kmem_setaside != NULL) 20307c478bd9Sstevel@tonic-gate vmem_free(heap_arena, kmem_setaside, BOOT_DOUBLEMAP_SIZE); 20317c478bd9Sstevel@tonic-gate #endif 20327c478bd9Sstevel@tonic-gate } 20337c478bd9Sstevel@tonic-gate 20347c478bd9Sstevel@tonic-gate /* 20357c478bd9Sstevel@tonic-gate * Initialize the platform-specific parts of a page_t. 20367c478bd9Sstevel@tonic-gate */ 20377c478bd9Sstevel@tonic-gate void 20387c478bd9Sstevel@tonic-gate add_physmem_cb(page_t *pp, pfn_t pnum) 20397c478bd9Sstevel@tonic-gate { 20407c478bd9Sstevel@tonic-gate pp->p_pagenum = pnum; 20417c478bd9Sstevel@tonic-gate pp->p_mapping = NULL; 20427c478bd9Sstevel@tonic-gate pp->p_embed = 0; 20437c478bd9Sstevel@tonic-gate pp->p_share = 0; 20447c478bd9Sstevel@tonic-gate pp->p_mlentry = 0; 20457c478bd9Sstevel@tonic-gate } 20467c478bd9Sstevel@tonic-gate 20477c478bd9Sstevel@tonic-gate /* 20487c478bd9Sstevel@tonic-gate * kphysm_init() initializes physical memory. 20497c478bd9Sstevel@tonic-gate */ 20507c478bd9Sstevel@tonic-gate static pgcnt_t 20517c478bd9Sstevel@tonic-gate kphysm_init( 20527c478bd9Sstevel@tonic-gate page_t *inpp, 20537c478bd9Sstevel@tonic-gate struct memseg *memsegp, 20547c478bd9Sstevel@tonic-gate pgcnt_t start, 20557c478bd9Sstevel@tonic-gate pgcnt_t npages) 20567c478bd9Sstevel@tonic-gate { 20577c478bd9Sstevel@tonic-gate struct memlist *pmem; 20587c478bd9Sstevel@tonic-gate struct memseg *cur_memseg; 20597c478bd9Sstevel@tonic-gate struct memseg **memsegpp; 20607c478bd9Sstevel@tonic-gate pfn_t base_pfn; 20617c478bd9Sstevel@tonic-gate pgcnt_t num; 20627c478bd9Sstevel@tonic-gate pgcnt_t total_skipped = 0; 20637c478bd9Sstevel@tonic-gate pgcnt_t skipping = 0; 20647c478bd9Sstevel@tonic-gate pgcnt_t pages_done = 0; 20657c478bd9Sstevel@tonic-gate pgcnt_t largepgcnt; 20667c478bd9Sstevel@tonic-gate uint64_t addr; 20677c478bd9Sstevel@tonic-gate uint64_t size; 20687c478bd9Sstevel@tonic-gate page_t *pp = inpp; 20697c478bd9Sstevel@tonic-gate int dobreak = 0; 20707c478bd9Sstevel@tonic-gate extern pfn_t ddiphysmin; 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate ASSERT(page_hash != NULL && page_hashsz != 0); 20737c478bd9Sstevel@tonic-gate 20747c478bd9Sstevel@tonic-gate for (cur_memseg = memsegp; cur_memseg->pages != NULL; cur_memseg++); 20757c478bd9Sstevel@tonic-gate ASSERT(cur_memseg == memsegp || start > 0); 20767c478bd9Sstevel@tonic-gate 20777c478bd9Sstevel@tonic-gate for (pmem = phys_avail; pmem && npages; pmem = pmem->next) { 20787c478bd9Sstevel@tonic-gate /* 20797c478bd9Sstevel@tonic-gate * In a 32 bit kernel can't use higher memory if we're 20807c478bd9Sstevel@tonic-gate * not booting in PAE mode. This check takes care of that. 20817c478bd9Sstevel@tonic-gate */ 20827c478bd9Sstevel@tonic-gate addr = pmem->address; 20837c478bd9Sstevel@tonic-gate size = pmem->size; 20847c478bd9Sstevel@tonic-gate if (btop(addr) > physmax) 20857c478bd9Sstevel@tonic-gate continue; 20867c478bd9Sstevel@tonic-gate 20877c478bd9Sstevel@tonic-gate /* 20887c478bd9Sstevel@tonic-gate * align addr and size - they may not be at page boundaries 20897c478bd9Sstevel@tonic-gate */ 20907c478bd9Sstevel@tonic-gate if ((addr & MMU_PAGEOFFSET) != 0) { 20917c478bd9Sstevel@tonic-gate addr += MMU_PAGEOFFSET; 20927c478bd9Sstevel@tonic-gate addr &= ~(uint64_t)MMU_PAGEOFFSET; 20937c478bd9Sstevel@tonic-gate size -= addr - pmem->address; 20947c478bd9Sstevel@tonic-gate } 20957c478bd9Sstevel@tonic-gate 20966bb54764Skchow /* only process pages below or equal to physmax */ 20976bb54764Skchow if ((btop(addr + size) - 1) > physmax) 20986bb54764Skchow size = ptob(physmax - btop(addr) + 1); 20997c478bd9Sstevel@tonic-gate 21007c478bd9Sstevel@tonic-gate num = btop(size); 21017c478bd9Sstevel@tonic-gate if (num == 0) 21027c478bd9Sstevel@tonic-gate continue; 21037c478bd9Sstevel@tonic-gate 21047c478bd9Sstevel@tonic-gate if (total_skipped < start) { 21057c478bd9Sstevel@tonic-gate if (start - total_skipped > num) { 21067c478bd9Sstevel@tonic-gate total_skipped += num; 21077c478bd9Sstevel@tonic-gate continue; 21087c478bd9Sstevel@tonic-gate } 21097c478bd9Sstevel@tonic-gate skipping = start - total_skipped; 21107c478bd9Sstevel@tonic-gate num -= skipping; 21117c478bd9Sstevel@tonic-gate addr += (MMU_PAGESIZE * skipping); 21127c478bd9Sstevel@tonic-gate total_skipped = start; 21137c478bd9Sstevel@tonic-gate } 21147c478bd9Sstevel@tonic-gate if (num == 0) 21157c478bd9Sstevel@tonic-gate continue; 21167c478bd9Sstevel@tonic-gate 21177c478bd9Sstevel@tonic-gate if (num > npages) 21187c478bd9Sstevel@tonic-gate num = npages; 21197c478bd9Sstevel@tonic-gate 21207c478bd9Sstevel@tonic-gate npages -= num; 21217c478bd9Sstevel@tonic-gate pages_done += num; 21227c478bd9Sstevel@tonic-gate base_pfn = btop(addr); 21237c478bd9Sstevel@tonic-gate 21247c478bd9Sstevel@tonic-gate /* 21257c478bd9Sstevel@tonic-gate * If the caller didn't provide space for the page 21267c478bd9Sstevel@tonic-gate * structures, carve them out of the memseg they will 21277c478bd9Sstevel@tonic-gate * represent. 21287c478bd9Sstevel@tonic-gate */ 21297c478bd9Sstevel@tonic-gate if (pp == NULL) { 21307c478bd9Sstevel@tonic-gate pgcnt_t pp_pgs; 21317c478bd9Sstevel@tonic-gate 21327c478bd9Sstevel@tonic-gate if (num <= 1) 21337c478bd9Sstevel@tonic-gate continue; 21347c478bd9Sstevel@tonic-gate 21357c478bd9Sstevel@tonic-gate /* 21367c478bd9Sstevel@tonic-gate * Compute how many of the pages we need to use for 21377c478bd9Sstevel@tonic-gate * page_ts 21387c478bd9Sstevel@tonic-gate */ 21397c478bd9Sstevel@tonic-gate pp_pgs = (num * sizeof (page_t)) / MMU_PAGESIZE + 1; 21407c478bd9Sstevel@tonic-gate while (mmu_ptob(pp_pgs - 1) / sizeof (page_t) >= 21417c478bd9Sstevel@tonic-gate num - pp_pgs + 1) 21427c478bd9Sstevel@tonic-gate --pp_pgs; 21437c478bd9Sstevel@tonic-gate PRM_DEBUG(pp_pgs); 21447c478bd9Sstevel@tonic-gate 21457c478bd9Sstevel@tonic-gate pp = vmem_alloc(heap_arena, mmu_ptob(pp_pgs), 21467c478bd9Sstevel@tonic-gate VM_NOSLEEP); 21477c478bd9Sstevel@tonic-gate if (pp == NULL) { 21487c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "Unable to add %ld pages to " 21497c478bd9Sstevel@tonic-gate "the system.", num); 21507c478bd9Sstevel@tonic-gate continue; 21517c478bd9Sstevel@tonic-gate } 21527c478bd9Sstevel@tonic-gate 21537c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, (void *)pp, mmu_ptob(pp_pgs), 21547c478bd9Sstevel@tonic-gate base_pfn, PROT_READ | PROT_WRITE | HAT_UNORDERED_OK, 21557c478bd9Sstevel@tonic-gate HAT_LOAD | HAT_LOAD_LOCK | HAT_LOAD_NOCONSIST); 21567c478bd9Sstevel@tonic-gate bzero(pp, mmu_ptob(pp_pgs)); 21577c478bd9Sstevel@tonic-gate num -= pp_pgs; 21587c478bd9Sstevel@tonic-gate base_pfn += pp_pgs; 21597c478bd9Sstevel@tonic-gate } 21607c478bd9Sstevel@tonic-gate 21617c478bd9Sstevel@tonic-gate if (prom_debug) 21627c478bd9Sstevel@tonic-gate prom_printf("MEMSEG addr=0x%" PRIx64 21637c478bd9Sstevel@tonic-gate " pgs=0x%lx pfn 0x%lx-0x%lx\n", 21647c478bd9Sstevel@tonic-gate addr, num, base_pfn, base_pfn + num); 21657c478bd9Sstevel@tonic-gate 21667c478bd9Sstevel@tonic-gate /* 21677c478bd9Sstevel@tonic-gate * drop pages below ddiphysmin to simplify ddi memory 21687c478bd9Sstevel@tonic-gate * allocation with non-zero addr_lo requests. 21697c478bd9Sstevel@tonic-gate */ 21707c478bd9Sstevel@tonic-gate if (base_pfn < ddiphysmin) { 21717c478bd9Sstevel@tonic-gate if (base_pfn + num <= ddiphysmin) { 21727c478bd9Sstevel@tonic-gate /* drop entire range below ddiphysmin */ 21737c478bd9Sstevel@tonic-gate continue; 21747c478bd9Sstevel@tonic-gate } 21757c478bd9Sstevel@tonic-gate /* adjust range to ddiphysmin */ 21767c478bd9Sstevel@tonic-gate pp += (ddiphysmin - base_pfn); 21777c478bd9Sstevel@tonic-gate num -= (ddiphysmin - base_pfn); 21787c478bd9Sstevel@tonic-gate base_pfn = ddiphysmin; 21797c478bd9Sstevel@tonic-gate } 21807c478bd9Sstevel@tonic-gate /* 21817c478bd9Sstevel@tonic-gate * Build the memsegs entry 21827c478bd9Sstevel@tonic-gate */ 21837c478bd9Sstevel@tonic-gate cur_memseg->pages = pp; 21847c478bd9Sstevel@tonic-gate cur_memseg->epages = pp + num; 21857c478bd9Sstevel@tonic-gate cur_memseg->pages_base = base_pfn; 21867c478bd9Sstevel@tonic-gate cur_memseg->pages_end = base_pfn + num; 21877c478bd9Sstevel@tonic-gate 21887c478bd9Sstevel@tonic-gate /* 21897c478bd9Sstevel@tonic-gate * insert in memseg list in decreasing pfn range order. 21907c478bd9Sstevel@tonic-gate * Low memory is typically more fragmented such that this 21917c478bd9Sstevel@tonic-gate * ordering keeps the larger ranges at the front of the list 21927c478bd9Sstevel@tonic-gate * for code that searches memseg. 21937c478bd9Sstevel@tonic-gate */ 21947c478bd9Sstevel@tonic-gate memsegpp = &memsegs; 21957c478bd9Sstevel@tonic-gate for (;;) { 21967c478bd9Sstevel@tonic-gate if (*memsegpp == NULL) { 21977c478bd9Sstevel@tonic-gate /* empty memsegs */ 21987c478bd9Sstevel@tonic-gate memsegs = cur_memseg; 21997c478bd9Sstevel@tonic-gate break; 22007c478bd9Sstevel@tonic-gate } 22017c478bd9Sstevel@tonic-gate /* check for continuity with start of memsegpp */ 22027c478bd9Sstevel@tonic-gate if (cur_memseg->pages_end == (*memsegpp)->pages_base) { 22037c478bd9Sstevel@tonic-gate if (cur_memseg->epages == (*memsegpp)->pages) { 22047c478bd9Sstevel@tonic-gate /* 22057c478bd9Sstevel@tonic-gate * contiguous pfn and page_t's. Merge 22067c478bd9Sstevel@tonic-gate * cur_memseg into *memsegpp. Drop 22077c478bd9Sstevel@tonic-gate * cur_memseg 22087c478bd9Sstevel@tonic-gate */ 22097c478bd9Sstevel@tonic-gate (*memsegpp)->pages_base = 22107c478bd9Sstevel@tonic-gate cur_memseg->pages_base; 22117c478bd9Sstevel@tonic-gate (*memsegpp)->pages = 22127c478bd9Sstevel@tonic-gate cur_memseg->pages; 22137c478bd9Sstevel@tonic-gate /* 22147c478bd9Sstevel@tonic-gate * check if contiguous with the end of 22157c478bd9Sstevel@tonic-gate * the next memseg. 22167c478bd9Sstevel@tonic-gate */ 22177c478bd9Sstevel@tonic-gate if ((*memsegpp)->next && 22187c478bd9Sstevel@tonic-gate ((*memsegpp)->pages_base == 22197c478bd9Sstevel@tonic-gate (*memsegpp)->next->pages_end)) { 22207c478bd9Sstevel@tonic-gate cur_memseg = *memsegpp; 22217c478bd9Sstevel@tonic-gate memsegpp = &((*memsegpp)->next); 22227c478bd9Sstevel@tonic-gate dobreak = 1; 22237c478bd9Sstevel@tonic-gate } else { 22247c478bd9Sstevel@tonic-gate break; 22257c478bd9Sstevel@tonic-gate } 22267c478bd9Sstevel@tonic-gate } else { 22277c478bd9Sstevel@tonic-gate /* 22287c478bd9Sstevel@tonic-gate * contiguous pfn but not page_t's. 22297c478bd9Sstevel@tonic-gate * drop last pfn/page_t in cur_memseg 22307c478bd9Sstevel@tonic-gate * to prevent creation of large pages 22317c478bd9Sstevel@tonic-gate * with noncontiguous page_t's if not 22327c478bd9Sstevel@tonic-gate * aligned to largest page boundary. 22337c478bd9Sstevel@tonic-gate */ 22347c478bd9Sstevel@tonic-gate largepgcnt = page_get_pagecnt( 22357c478bd9Sstevel@tonic-gate page_num_pagesizes() - 1); 22367c478bd9Sstevel@tonic-gate 22377c478bd9Sstevel@tonic-gate if (cur_memseg->pages_end & 22387c478bd9Sstevel@tonic-gate (largepgcnt - 1)) { 22397c478bd9Sstevel@tonic-gate num--; 22407c478bd9Sstevel@tonic-gate cur_memseg->epages--; 22417c478bd9Sstevel@tonic-gate cur_memseg->pages_end--; 22427c478bd9Sstevel@tonic-gate } 22437c478bd9Sstevel@tonic-gate } 22447c478bd9Sstevel@tonic-gate } 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate /* check for continuity with end of memsegpp */ 22477c478bd9Sstevel@tonic-gate if (cur_memseg->pages_base == (*memsegpp)->pages_end) { 22487c478bd9Sstevel@tonic-gate if (cur_memseg->pages == (*memsegpp)->epages) { 22497c478bd9Sstevel@tonic-gate /* 22507c478bd9Sstevel@tonic-gate * contiguous pfn and page_t's. Merge 22517c478bd9Sstevel@tonic-gate * cur_memseg into *memsegpp. Drop 22527c478bd9Sstevel@tonic-gate * cur_memseg. 22537c478bd9Sstevel@tonic-gate */ 22547c478bd9Sstevel@tonic-gate if (dobreak) { 22557c478bd9Sstevel@tonic-gate /* merge previously done */ 22567c478bd9Sstevel@tonic-gate cur_memseg->pages = 22577c478bd9Sstevel@tonic-gate (*memsegpp)->pages; 22587c478bd9Sstevel@tonic-gate cur_memseg->pages_base = 22597c478bd9Sstevel@tonic-gate (*memsegpp)->pages_base; 22607c478bd9Sstevel@tonic-gate cur_memseg->next = 22617c478bd9Sstevel@tonic-gate (*memsegpp)->next; 22627c478bd9Sstevel@tonic-gate } else { 22637c478bd9Sstevel@tonic-gate (*memsegpp)->pages_end = 22647c478bd9Sstevel@tonic-gate cur_memseg->pages_end; 22657c478bd9Sstevel@tonic-gate (*memsegpp)->epages = 22667c478bd9Sstevel@tonic-gate cur_memseg->epages; 22677c478bd9Sstevel@tonic-gate } 22687c478bd9Sstevel@tonic-gate break; 22697c478bd9Sstevel@tonic-gate } 22707c478bd9Sstevel@tonic-gate /* 22717c478bd9Sstevel@tonic-gate * contiguous pfn but not page_t's. 22727c478bd9Sstevel@tonic-gate * drop first pfn/page_t in cur_memseg 22737c478bd9Sstevel@tonic-gate * to prevent creation of large pages 22747c478bd9Sstevel@tonic-gate * with noncontiguous page_t's if not 22757c478bd9Sstevel@tonic-gate * aligned to largest page boundary. 22767c478bd9Sstevel@tonic-gate */ 22777c478bd9Sstevel@tonic-gate largepgcnt = page_get_pagecnt( 22787c478bd9Sstevel@tonic-gate page_num_pagesizes() - 1); 22797c478bd9Sstevel@tonic-gate if (base_pfn & (largepgcnt - 1)) { 22807c478bd9Sstevel@tonic-gate num--; 22817c478bd9Sstevel@tonic-gate base_pfn++; 22827c478bd9Sstevel@tonic-gate cur_memseg->pages++; 22837c478bd9Sstevel@tonic-gate cur_memseg->pages_base++; 22847c478bd9Sstevel@tonic-gate pp = cur_memseg->pages; 22857c478bd9Sstevel@tonic-gate } 22867c478bd9Sstevel@tonic-gate if (dobreak) 22877c478bd9Sstevel@tonic-gate break; 22887c478bd9Sstevel@tonic-gate } 22897c478bd9Sstevel@tonic-gate 22907c478bd9Sstevel@tonic-gate if (cur_memseg->pages_base >= 22917c478bd9Sstevel@tonic-gate (*memsegpp)->pages_end) { 22927c478bd9Sstevel@tonic-gate cur_memseg->next = *memsegpp; 22937c478bd9Sstevel@tonic-gate *memsegpp = cur_memseg; 22947c478bd9Sstevel@tonic-gate break; 22957c478bd9Sstevel@tonic-gate } 22967c478bd9Sstevel@tonic-gate if ((*memsegpp)->next == NULL) { 22977c478bd9Sstevel@tonic-gate cur_memseg->next = NULL; 22987c478bd9Sstevel@tonic-gate (*memsegpp)->next = cur_memseg; 22997c478bd9Sstevel@tonic-gate break; 23007c478bd9Sstevel@tonic-gate } 23017c478bd9Sstevel@tonic-gate memsegpp = &((*memsegpp)->next); 23027c478bd9Sstevel@tonic-gate ASSERT(*memsegpp != NULL); 23037c478bd9Sstevel@tonic-gate } 23047c478bd9Sstevel@tonic-gate 23057c478bd9Sstevel@tonic-gate /* 23067c478bd9Sstevel@tonic-gate * add_physmem() initializes the PSM part of the page 23077c478bd9Sstevel@tonic-gate * struct by calling the PSM back with add_physmem_cb(). 23087c478bd9Sstevel@tonic-gate * In addition it coalesces pages into larger pages as 23097c478bd9Sstevel@tonic-gate * it initializes them. 23107c478bd9Sstevel@tonic-gate */ 23117c478bd9Sstevel@tonic-gate add_physmem(pp, num, base_pfn); 23127c478bd9Sstevel@tonic-gate cur_memseg++; 23137c478bd9Sstevel@tonic-gate availrmem_initial += num; 23147c478bd9Sstevel@tonic-gate availrmem += num; 23157c478bd9Sstevel@tonic-gate 23167c478bd9Sstevel@tonic-gate /* 23177c478bd9Sstevel@tonic-gate * If the caller provided the page frames to us, then 23187c478bd9Sstevel@tonic-gate * advance in that list. Otherwise, prepare to allocate 23197c478bd9Sstevel@tonic-gate * our own page frames for the next memseg. 23207c478bd9Sstevel@tonic-gate */ 23217c478bd9Sstevel@tonic-gate pp = (inpp == NULL) ? NULL : pp + num; 23227c478bd9Sstevel@tonic-gate } 23237c478bd9Sstevel@tonic-gate 23247c478bd9Sstevel@tonic-gate PRM_DEBUG(availrmem_initial); 23257c478bd9Sstevel@tonic-gate PRM_DEBUG(availrmem); 23267c478bd9Sstevel@tonic-gate PRM_DEBUG(freemem); 23277c478bd9Sstevel@tonic-gate build_pfn_hash(); 23287c478bd9Sstevel@tonic-gate return (pages_done); 23297c478bd9Sstevel@tonic-gate } 23307c478bd9Sstevel@tonic-gate 23317c478bd9Sstevel@tonic-gate /* 23327c478bd9Sstevel@tonic-gate * Kernel VM initialization. 23337c478bd9Sstevel@tonic-gate */ 23347c478bd9Sstevel@tonic-gate static void 23357c478bd9Sstevel@tonic-gate kvm_init(void) 23367c478bd9Sstevel@tonic-gate { 23377c478bd9Sstevel@tonic-gate #ifdef DEBUG 23387c478bd9Sstevel@tonic-gate extern void _start(); 23397c478bd9Sstevel@tonic-gate 23407c478bd9Sstevel@tonic-gate ASSERT((caddr_t)_start == s_text); 23417c478bd9Sstevel@tonic-gate #endif 23427c478bd9Sstevel@tonic-gate ASSERT((((uintptr_t)s_text) & MMU_PAGEOFFSET) == 0); 23437c478bd9Sstevel@tonic-gate 23447c478bd9Sstevel@tonic-gate /* 23457c478bd9Sstevel@tonic-gate * Put the kernel segments in kernel address space. 23467c478bd9Sstevel@tonic-gate */ 23477c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 23487c478bd9Sstevel@tonic-gate as_avlinit(&kas); 23497c478bd9Sstevel@tonic-gate 23507c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, s_text, e_moddata - s_text, &ktextseg); 23517c478bd9Sstevel@tonic-gate (void) segkmem_create(&ktextseg); 23527c478bd9Sstevel@tonic-gate 23537c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)valloc_base, valloc_sz, &kvalloc); 23547c478bd9Sstevel@tonic-gate (void) segkmem_create(&kvalloc); 23557c478bd9Sstevel@tonic-gate 23567c478bd9Sstevel@tonic-gate /* 23577c478bd9Sstevel@tonic-gate * We're about to map out /boot. This is the beginning of the 23587c478bd9Sstevel@tonic-gate * system resource management transition. We can no longer 23597c478bd9Sstevel@tonic-gate * call into /boot for I/O or memory allocations. 23607c478bd9Sstevel@tonic-gate * 23617c478bd9Sstevel@tonic-gate * XX64 - Is this still correct with kernelheap_extend() being called 23627c478bd9Sstevel@tonic-gate * later than this???? 23637c478bd9Sstevel@tonic-gate */ 23647c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, final_kernelheap, 23657c478bd9Sstevel@tonic-gate ekernelheap - final_kernelheap, &kvseg); 23667c478bd9Sstevel@tonic-gate (void) segkmem_create(&kvseg); 23677c478bd9Sstevel@tonic-gate 23687c478bd9Sstevel@tonic-gate #if defined(__amd64) 23697c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)core_base, core_size, &kvseg_core); 23707c478bd9Sstevel@tonic-gate (void) segkmem_create(&kvseg_core); 23717c478bd9Sstevel@tonic-gate #endif 23727c478bd9Sstevel@tonic-gate 23737c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)SEGDEBUGBASE, (size_t)SEGDEBUGSIZE, 23747c478bd9Sstevel@tonic-gate &kdebugseg); 23757c478bd9Sstevel@tonic-gate (void) segkmem_create(&kdebugseg); 23767c478bd9Sstevel@tonic-gate 23777c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 23787c478bd9Sstevel@tonic-gate 23797c478bd9Sstevel@tonic-gate /* 23807c478bd9Sstevel@tonic-gate * Ensure that the red zone at kernelbase is never accessible. 23817c478bd9Sstevel@tonic-gate */ 23827c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, (caddr_t)kernelbase, KERNEL_REDZONE_SIZE, 0); 23837c478bd9Sstevel@tonic-gate 23847c478bd9Sstevel@tonic-gate /* 23857c478bd9Sstevel@tonic-gate * Make the text writable so that it can be hot patched by DTrace. 23867c478bd9Sstevel@tonic-gate */ 23877c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, s_text, e_modtext - s_text, 23887c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 23897c478bd9Sstevel@tonic-gate 23907c478bd9Sstevel@tonic-gate /* 23917c478bd9Sstevel@tonic-gate * Make data writable until end. 23927c478bd9Sstevel@tonic-gate */ 23937c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, s_data, e_moddata - s_data, 23947c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 23957c478bd9Sstevel@tonic-gate } 23967c478bd9Sstevel@tonic-gate 23977c478bd9Sstevel@tonic-gate /* 23987c478bd9Sstevel@tonic-gate * These are MTTR registers supported by P6 23997c478bd9Sstevel@tonic-gate */ 24007c478bd9Sstevel@tonic-gate static struct mtrrvar mtrrphys_arr[MAX_MTRRVAR]; 24017c478bd9Sstevel@tonic-gate static uint64_t mtrr64k, mtrr16k1, mtrr16k2; 24027c478bd9Sstevel@tonic-gate static uint64_t mtrr4k1, mtrr4k2, mtrr4k3; 24037c478bd9Sstevel@tonic-gate static uint64_t mtrr4k4, mtrr4k5, mtrr4k6; 24047c478bd9Sstevel@tonic-gate static uint64_t mtrr4k7, mtrr4k8, mtrrcap; 24057c478bd9Sstevel@tonic-gate uint64_t mtrrdef, pat_attr_reg; 24067c478bd9Sstevel@tonic-gate 24077c478bd9Sstevel@tonic-gate /* 24087c478bd9Sstevel@tonic-gate * Disable reprogramming of MTRRs by default. 24097c478bd9Sstevel@tonic-gate */ 24107c478bd9Sstevel@tonic-gate int enable_relaxed_mtrr = 0; 24117c478bd9Sstevel@tonic-gate 24127c478bd9Sstevel@tonic-gate void 241345916cd2Sjpk setup_mtrr(void) 24147c478bd9Sstevel@tonic-gate { 24157c478bd9Sstevel@tonic-gate int i, ecx; 24167c478bd9Sstevel@tonic-gate int vcnt; 24177c478bd9Sstevel@tonic-gate struct mtrrvar *mtrrphys; 24187c478bd9Sstevel@tonic-gate 24197c478bd9Sstevel@tonic-gate if (!(x86_feature & X86_MTRR)) 24207c478bd9Sstevel@tonic-gate return; 24217c478bd9Sstevel@tonic-gate 24220ac7d7d8Skucharsk mtrrcap = rdmsr(REG_MTRRCAP); 24230ac7d7d8Skucharsk mtrrdef = rdmsr(REG_MTRRDEF); 24247c478bd9Sstevel@tonic-gate if (mtrrcap & MTRRCAP_FIX) { 24250ac7d7d8Skucharsk mtrr64k = rdmsr(REG_MTRR64K); 24260ac7d7d8Skucharsk mtrr16k1 = rdmsr(REG_MTRR16K1); 24270ac7d7d8Skucharsk mtrr16k2 = rdmsr(REG_MTRR16K2); 24280ac7d7d8Skucharsk mtrr4k1 = rdmsr(REG_MTRR4K1); 24290ac7d7d8Skucharsk mtrr4k2 = rdmsr(REG_MTRR4K2); 24300ac7d7d8Skucharsk mtrr4k3 = rdmsr(REG_MTRR4K3); 24310ac7d7d8Skucharsk mtrr4k4 = rdmsr(REG_MTRR4K4); 24320ac7d7d8Skucharsk mtrr4k5 = rdmsr(REG_MTRR4K5); 24330ac7d7d8Skucharsk mtrr4k6 = rdmsr(REG_MTRR4K6); 24340ac7d7d8Skucharsk mtrr4k7 = rdmsr(REG_MTRR4K7); 24350ac7d7d8Skucharsk mtrr4k8 = rdmsr(REG_MTRR4K8); 24367c478bd9Sstevel@tonic-gate } 24377c478bd9Sstevel@tonic-gate if ((vcnt = (mtrrcap & MTRRCAP_VCNTMASK)) > MAX_MTRRVAR) 24387c478bd9Sstevel@tonic-gate vcnt = MAX_MTRRVAR; 24397c478bd9Sstevel@tonic-gate 24407c478bd9Sstevel@tonic-gate for (i = 0, ecx = REG_MTRRPHYSBASE0, mtrrphys = mtrrphys_arr; 24417c478bd9Sstevel@tonic-gate i < vcnt - 1; i++, ecx += 2, mtrrphys++) { 24420ac7d7d8Skucharsk mtrrphys->mtrrphys_base = rdmsr(ecx); 24430ac7d7d8Skucharsk mtrrphys->mtrrphys_mask = rdmsr(ecx + 1); 24447c478bd9Sstevel@tonic-gate if ((x86_feature & X86_PAT) && enable_relaxed_mtrr) { 24457c478bd9Sstevel@tonic-gate mtrrphys->mtrrphys_mask &= ~MTRRPHYSMASK_V; 24467c478bd9Sstevel@tonic-gate } 24477c478bd9Sstevel@tonic-gate } 24487c478bd9Sstevel@tonic-gate if (x86_feature & X86_PAT) { 24497c478bd9Sstevel@tonic-gate if (enable_relaxed_mtrr) 24507c478bd9Sstevel@tonic-gate mtrrdef = MTRR_TYPE_WB|MTRRDEF_FE|MTRRDEF_E; 24517c478bd9Sstevel@tonic-gate pat_attr_reg = PAT_DEFAULT_ATTRIBUTE; 24527c478bd9Sstevel@tonic-gate } 24537c478bd9Sstevel@tonic-gate 24547c478bd9Sstevel@tonic-gate mtrr_sync(); 24557c478bd9Sstevel@tonic-gate } 24567c478bd9Sstevel@tonic-gate 24577c478bd9Sstevel@tonic-gate /* 24587c478bd9Sstevel@tonic-gate * Sync current cpu mtrr with the incore copy of mtrr. 24597c478bd9Sstevel@tonic-gate * This function has to be invoked with interrupts disabled 24607c478bd9Sstevel@tonic-gate * Currently we do not capture other cpu's. This is invoked on cpu0 24617c478bd9Sstevel@tonic-gate * just after reading /etc/system. 24627c478bd9Sstevel@tonic-gate * On other cpu's its invoked from mp_startup(). 24637c478bd9Sstevel@tonic-gate */ 24647c478bd9Sstevel@tonic-gate void 246545916cd2Sjpk mtrr_sync(void) 24667c478bd9Sstevel@tonic-gate { 24677c478bd9Sstevel@tonic-gate uint_t crvalue, cr0_orig; 24687c478bd9Sstevel@tonic-gate int vcnt, i, ecx; 24697c478bd9Sstevel@tonic-gate struct mtrrvar *mtrrphys; 24707c478bd9Sstevel@tonic-gate 24717c478bd9Sstevel@tonic-gate cr0_orig = crvalue = getcr0(); 24727c478bd9Sstevel@tonic-gate crvalue |= CR0_CD; 24737c478bd9Sstevel@tonic-gate crvalue &= ~CR0_NW; 24747c478bd9Sstevel@tonic-gate setcr0(crvalue); 24757c478bd9Sstevel@tonic-gate invalidate_cache(); 24767c478bd9Sstevel@tonic-gate setcr3(getcr3()); 24777c478bd9Sstevel@tonic-gate 24780ac7d7d8Skucharsk if (x86_feature & X86_PAT) 24790ac7d7d8Skucharsk wrmsr(REG_MTRRPAT, pat_attr_reg); 24800ac7d7d8Skucharsk 24810ac7d7d8Skucharsk wrmsr(REG_MTRRDEF, rdmsr(REG_MTRRDEF) & 24820ac7d7d8Skucharsk ~((uint64_t)(uintptr_t)MTRRDEF_E)); 24830ac7d7d8Skucharsk 24847c478bd9Sstevel@tonic-gate if (mtrrcap & MTRRCAP_FIX) { 24850ac7d7d8Skucharsk wrmsr(REG_MTRR64K, mtrr64k); 24860ac7d7d8Skucharsk wrmsr(REG_MTRR16K1, mtrr16k1); 24870ac7d7d8Skucharsk wrmsr(REG_MTRR16K2, mtrr16k2); 24880ac7d7d8Skucharsk wrmsr(REG_MTRR4K1, mtrr4k1); 24890ac7d7d8Skucharsk wrmsr(REG_MTRR4K2, mtrr4k2); 24900ac7d7d8Skucharsk wrmsr(REG_MTRR4K3, mtrr4k3); 24910ac7d7d8Skucharsk wrmsr(REG_MTRR4K4, mtrr4k4); 24920ac7d7d8Skucharsk wrmsr(REG_MTRR4K5, mtrr4k5); 24930ac7d7d8Skucharsk wrmsr(REG_MTRR4K6, mtrr4k6); 24940ac7d7d8Skucharsk wrmsr(REG_MTRR4K7, mtrr4k7); 24950ac7d7d8Skucharsk wrmsr(REG_MTRR4K8, mtrr4k8); 24967c478bd9Sstevel@tonic-gate } 24977c478bd9Sstevel@tonic-gate if ((vcnt = (mtrrcap & MTRRCAP_VCNTMASK)) > MAX_MTRRVAR) 24987c478bd9Sstevel@tonic-gate vcnt = MAX_MTRRVAR; 24997c478bd9Sstevel@tonic-gate for (i = 0, ecx = REG_MTRRPHYSBASE0, mtrrphys = mtrrphys_arr; 25000ac7d7d8Skucharsk i < vcnt - 1; i++, ecx += 2, mtrrphys++) { 25010ac7d7d8Skucharsk wrmsr(ecx, mtrrphys->mtrrphys_base); 25020ac7d7d8Skucharsk wrmsr(ecx + 1, mtrrphys->mtrrphys_mask); 25037c478bd9Sstevel@tonic-gate } 25040ac7d7d8Skucharsk wrmsr(REG_MTRRDEF, mtrrdef); 25057c478bd9Sstevel@tonic-gate setcr3(getcr3()); 25067c478bd9Sstevel@tonic-gate invalidate_cache(); 25077c478bd9Sstevel@tonic-gate setcr0(cr0_orig); 25087c478bd9Sstevel@tonic-gate } 25097c478bd9Sstevel@tonic-gate 25107c478bd9Sstevel@tonic-gate /* 25117c478bd9Sstevel@tonic-gate * resync mtrr so that BIOS is happy. Called from mdboot 25127c478bd9Sstevel@tonic-gate */ 25137c478bd9Sstevel@tonic-gate void 251445916cd2Sjpk mtrr_resync(void) 25157c478bd9Sstevel@tonic-gate { 25167c478bd9Sstevel@tonic-gate if ((x86_feature & X86_PAT) && enable_relaxed_mtrr) { 25177c478bd9Sstevel@tonic-gate /* 25187c478bd9Sstevel@tonic-gate * We could have changed the default mtrr definition. 25197c478bd9Sstevel@tonic-gate * Put it back to uncached which is what it is at power on 25207c478bd9Sstevel@tonic-gate */ 25217c478bd9Sstevel@tonic-gate mtrrdef = MTRR_TYPE_UC|MTRRDEF_FE|MTRRDEF_E; 25227c478bd9Sstevel@tonic-gate mtrr_sync(); 25237c478bd9Sstevel@tonic-gate } 25247c478bd9Sstevel@tonic-gate } 25257c478bd9Sstevel@tonic-gate 25267c478bd9Sstevel@tonic-gate void 252745916cd2Sjpk get_system_configuration(void) 25287c478bd9Sstevel@tonic-gate { 25297c478bd9Sstevel@tonic-gate char prop[32]; 25307c478bd9Sstevel@tonic-gate u_longlong_t nodes_ll, cpus_pernode_ll, lvalue; 25317c478bd9Sstevel@tonic-gate 25327c478bd9Sstevel@tonic-gate if (((BOP_GETPROPLEN(bootops, "nodes") > sizeof (prop)) || 25337c478bd9Sstevel@tonic-gate (BOP_GETPROP(bootops, "nodes", prop) < 0) || 25347c478bd9Sstevel@tonic-gate (kobj_getvalue(prop, &nodes_ll) == -1) || 25357c478bd9Sstevel@tonic-gate (nodes_ll > MAXNODES)) || 25367c478bd9Sstevel@tonic-gate ((BOP_GETPROPLEN(bootops, "cpus_pernode") > sizeof (prop)) || 25377c478bd9Sstevel@tonic-gate (BOP_GETPROP(bootops, "cpus_pernode", prop) < 0) || 25387c478bd9Sstevel@tonic-gate (kobj_getvalue(prop, &cpus_pernode_ll) == -1))) { 25397c478bd9Sstevel@tonic-gate 25407c478bd9Sstevel@tonic-gate system_hardware.hd_nodes = 1; 25417c478bd9Sstevel@tonic-gate system_hardware.hd_cpus_per_node = 0; 25427c478bd9Sstevel@tonic-gate } else { 25437c478bd9Sstevel@tonic-gate system_hardware.hd_nodes = (int)nodes_ll; 25447c478bd9Sstevel@tonic-gate system_hardware.hd_cpus_per_node = (int)cpus_pernode_ll; 25457c478bd9Sstevel@tonic-gate } 25467c478bd9Sstevel@tonic-gate if ((BOP_GETPROPLEN(bootops, "kernelbase") > sizeof (prop)) || 25477c478bd9Sstevel@tonic-gate (BOP_GETPROP(bootops, "kernelbase", prop) < 0) || 25487c478bd9Sstevel@tonic-gate (kobj_getvalue(prop, &lvalue) == -1)) 25497c478bd9Sstevel@tonic-gate eprom_kernelbase = NULL; 25507c478bd9Sstevel@tonic-gate else 25517c478bd9Sstevel@tonic-gate eprom_kernelbase = (uintptr_t)lvalue; 25527c478bd9Sstevel@tonic-gate 25537c478bd9Sstevel@tonic-gate if ((BOP_GETPROPLEN(bootops, "segmapsize") > sizeof (prop)) || 25547c478bd9Sstevel@tonic-gate (BOP_GETPROP(bootops, "segmapsize", prop) < 0) || 25557c478bd9Sstevel@tonic-gate (kobj_getvalue(prop, &lvalue) == -1)) { 25567c478bd9Sstevel@tonic-gate segmapsize = SEGMAPDEFAULT; 25577c478bd9Sstevel@tonic-gate } else { 25587c478bd9Sstevel@tonic-gate segmapsize = (uintptr_t)lvalue; 25597c478bd9Sstevel@tonic-gate } 25607c478bd9Sstevel@tonic-gate 25617c478bd9Sstevel@tonic-gate if ((BOP_GETPROPLEN(bootops, "segmapfreelists") > sizeof (prop)) || 25627c478bd9Sstevel@tonic-gate (BOP_GETPROP(bootops, "segmapfreelists", prop) < 0) || 25637c478bd9Sstevel@tonic-gate (kobj_getvalue(prop, &lvalue) == -1)) { 25647c478bd9Sstevel@tonic-gate segmapfreelists = 0; /* use segmap driver default */ 25657c478bd9Sstevel@tonic-gate } else { 25667c478bd9Sstevel@tonic-gate segmapfreelists = (int)lvalue; 25677c478bd9Sstevel@tonic-gate } 25684944b02eSkchow 25694944b02eSkchow if ((BOP_GETPROPLEN(bootops, "physmem") <= sizeof (prop)) && 25704944b02eSkchow (BOP_GETPROP(bootops, "physmem", prop) >= 0) && 25714944b02eSkchow (kobj_getvalue(prop, &lvalue) != -1)) { 25724944b02eSkchow physmem = (uintptr_t)lvalue; 25734944b02eSkchow } 25747c478bd9Sstevel@tonic-gate } 25757c478bd9Sstevel@tonic-gate 25767c478bd9Sstevel@tonic-gate /* 25777c478bd9Sstevel@tonic-gate * Add to a memory list. 25787c478bd9Sstevel@tonic-gate * start = start of new memory segment 25797c478bd9Sstevel@tonic-gate * len = length of new memory segment in bytes 25807c478bd9Sstevel@tonic-gate * new = pointer to a new struct memlist 25817c478bd9Sstevel@tonic-gate * memlistp = memory list to which to add segment. 25827c478bd9Sstevel@tonic-gate */ 25837c478bd9Sstevel@tonic-gate static void 25847c478bd9Sstevel@tonic-gate memlist_add( 25857c478bd9Sstevel@tonic-gate uint64_t start, 25867c478bd9Sstevel@tonic-gate uint64_t len, 25877c478bd9Sstevel@tonic-gate struct memlist *new, 25887c478bd9Sstevel@tonic-gate struct memlist **memlistp) 25897c478bd9Sstevel@tonic-gate { 25907c478bd9Sstevel@tonic-gate struct memlist *cur; 25917c478bd9Sstevel@tonic-gate uint64_t end = start + len; 25927c478bd9Sstevel@tonic-gate 25937c478bd9Sstevel@tonic-gate new->address = start; 25947c478bd9Sstevel@tonic-gate new->size = len; 25957c478bd9Sstevel@tonic-gate 25967c478bd9Sstevel@tonic-gate cur = *memlistp; 25977c478bd9Sstevel@tonic-gate 25987c478bd9Sstevel@tonic-gate while (cur) { 25997c478bd9Sstevel@tonic-gate if (cur->address >= end) { 26007c478bd9Sstevel@tonic-gate new->next = cur; 26017c478bd9Sstevel@tonic-gate *memlistp = new; 26027c478bd9Sstevel@tonic-gate new->prev = cur->prev; 26037c478bd9Sstevel@tonic-gate cur->prev = new; 26047c478bd9Sstevel@tonic-gate return; 26057c478bd9Sstevel@tonic-gate } 26067c478bd9Sstevel@tonic-gate ASSERT(cur->address + cur->size <= start); 26077c478bd9Sstevel@tonic-gate if (cur->next == NULL) { 26087c478bd9Sstevel@tonic-gate cur->next = new; 26097c478bd9Sstevel@tonic-gate new->prev = cur; 26107c478bd9Sstevel@tonic-gate new->next = NULL; 26117c478bd9Sstevel@tonic-gate return; 26127c478bd9Sstevel@tonic-gate } 26137c478bd9Sstevel@tonic-gate memlistp = &cur->next; 26147c478bd9Sstevel@tonic-gate cur = cur->next; 26157c478bd9Sstevel@tonic-gate } 26167c478bd9Sstevel@tonic-gate } 26177c478bd9Sstevel@tonic-gate 26187c478bd9Sstevel@tonic-gate void 26197c478bd9Sstevel@tonic-gate kobj_vmem_init(vmem_t **text_arena, vmem_t **data_arena) 26207c478bd9Sstevel@tonic-gate { 26217c478bd9Sstevel@tonic-gate size_t tsize = e_modtext - modtext; 26227c478bd9Sstevel@tonic-gate size_t dsize = e_moddata - moddata; 26237c478bd9Sstevel@tonic-gate 26247c478bd9Sstevel@tonic-gate *text_arena = vmem_create("module_text", tsize ? modtext : NULL, tsize, 26257c478bd9Sstevel@tonic-gate 1, segkmem_alloc, segkmem_free, heaptext_arena, 0, VM_SLEEP); 26267c478bd9Sstevel@tonic-gate *data_arena = vmem_create("module_data", dsize ? moddata : NULL, dsize, 26277c478bd9Sstevel@tonic-gate 1, segkmem_alloc, segkmem_free, heap32_arena, 0, VM_SLEEP); 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate 26307c478bd9Sstevel@tonic-gate caddr_t 26317c478bd9Sstevel@tonic-gate kobj_text_alloc(vmem_t *arena, size_t size) 26327c478bd9Sstevel@tonic-gate { 26337c478bd9Sstevel@tonic-gate return (vmem_alloc(arena, size, VM_SLEEP | VM_BESTFIT)); 26347c478bd9Sstevel@tonic-gate } 26357c478bd9Sstevel@tonic-gate 26367c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 26377c478bd9Sstevel@tonic-gate caddr_t 26387c478bd9Sstevel@tonic-gate kobj_texthole_alloc(caddr_t addr, size_t size) 26397c478bd9Sstevel@tonic-gate { 26407c478bd9Sstevel@tonic-gate panic("unexpected call to kobj_texthole_alloc()"); 26417c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 26427c478bd9Sstevel@tonic-gate return (0); 26437c478bd9Sstevel@tonic-gate } 26447c478bd9Sstevel@tonic-gate 26457c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 26467c478bd9Sstevel@tonic-gate void 26477c478bd9Sstevel@tonic-gate kobj_texthole_free(caddr_t addr, size_t size) 26487c478bd9Sstevel@tonic-gate { 26497c478bd9Sstevel@tonic-gate panic("unexpected call to kobj_texthole_free()"); 26507c478bd9Sstevel@tonic-gate } 26517c478bd9Sstevel@tonic-gate 26527c478bd9Sstevel@tonic-gate /* 26537c478bd9Sstevel@tonic-gate * This is called just after configure() in startup(). 26547c478bd9Sstevel@tonic-gate * 26557c478bd9Sstevel@tonic-gate * The ISALIST concept is a bit hopeless on Intel, because 26567c478bd9Sstevel@tonic-gate * there's no guarantee of an ever-more-capable processor 26577c478bd9Sstevel@tonic-gate * given that various parts of the instruction set may appear 26587c478bd9Sstevel@tonic-gate * and disappear between different implementations. 26597c478bd9Sstevel@tonic-gate * 26607c478bd9Sstevel@tonic-gate * While it would be possible to correct it and even enhance 26617c478bd9Sstevel@tonic-gate * it somewhat, the explicit hardware capability bitmask allows 26627c478bd9Sstevel@tonic-gate * more flexibility. 26637c478bd9Sstevel@tonic-gate * 26647c478bd9Sstevel@tonic-gate * So, we just leave this alone. 26657c478bd9Sstevel@tonic-gate */ 26667c478bd9Sstevel@tonic-gate void 26677c478bd9Sstevel@tonic-gate setx86isalist(void) 26687c478bd9Sstevel@tonic-gate { 26697c478bd9Sstevel@tonic-gate char *tp; 26707c478bd9Sstevel@tonic-gate size_t len; 26717c478bd9Sstevel@tonic-gate extern char *isa_list; 26727c478bd9Sstevel@tonic-gate 26737c478bd9Sstevel@tonic-gate #define TBUFSIZE 1024 26747c478bd9Sstevel@tonic-gate 26757c478bd9Sstevel@tonic-gate tp = kmem_alloc(TBUFSIZE, KM_SLEEP); 26767c478bd9Sstevel@tonic-gate *tp = '\0'; 26777c478bd9Sstevel@tonic-gate 26787c478bd9Sstevel@tonic-gate #if defined(__amd64) 26797c478bd9Sstevel@tonic-gate (void) strcpy(tp, "amd64 "); 26807c478bd9Sstevel@tonic-gate #endif 26817c478bd9Sstevel@tonic-gate 26827c478bd9Sstevel@tonic-gate switch (x86_vendor) { 26837c478bd9Sstevel@tonic-gate case X86_VENDOR_Intel: 26847c478bd9Sstevel@tonic-gate case X86_VENDOR_AMD: 26857c478bd9Sstevel@tonic-gate case X86_VENDOR_TM: 26867c478bd9Sstevel@tonic-gate if (x86_feature & X86_CMOV) { 26877c478bd9Sstevel@tonic-gate /* 26887c478bd9Sstevel@tonic-gate * Pentium Pro or later 26897c478bd9Sstevel@tonic-gate */ 26907c478bd9Sstevel@tonic-gate (void) strcat(tp, "pentium_pro"); 26917c478bd9Sstevel@tonic-gate (void) strcat(tp, x86_feature & X86_MMX ? 26927c478bd9Sstevel@tonic-gate "+mmx pentium_pro " : " "); 26937c478bd9Sstevel@tonic-gate } 26947c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26957c478bd9Sstevel@tonic-gate case X86_VENDOR_Cyrix: 26967c478bd9Sstevel@tonic-gate /* 26977c478bd9Sstevel@tonic-gate * The Cyrix 6x86 does not have any Pentium features 26987c478bd9Sstevel@tonic-gate * accessible while not at privilege level 0. 26997c478bd9Sstevel@tonic-gate */ 27007c478bd9Sstevel@tonic-gate if (x86_feature & X86_CPUID) { 27017c478bd9Sstevel@tonic-gate (void) strcat(tp, "pentium"); 27027c478bd9Sstevel@tonic-gate (void) strcat(tp, x86_feature & X86_MMX ? 27037c478bd9Sstevel@tonic-gate "+mmx pentium " : " "); 27047c478bd9Sstevel@tonic-gate } 27057c478bd9Sstevel@tonic-gate break; 27067c478bd9Sstevel@tonic-gate default: 27077c478bd9Sstevel@tonic-gate break; 27087c478bd9Sstevel@tonic-gate } 27097c478bd9Sstevel@tonic-gate (void) strcat(tp, "i486 i386 i86"); 27107c478bd9Sstevel@tonic-gate len = strlen(tp) + 1; /* account for NULL at end of string */ 27117c478bd9Sstevel@tonic-gate isa_list = strcpy(kmem_alloc(len, KM_SLEEP), tp); 27127c478bd9Sstevel@tonic-gate kmem_free(tp, TBUFSIZE); 27137c478bd9Sstevel@tonic-gate 27147c478bd9Sstevel@tonic-gate #undef TBUFSIZE 27157c478bd9Sstevel@tonic-gate } 27167c478bd9Sstevel@tonic-gate 27177c478bd9Sstevel@tonic-gate 27187c478bd9Sstevel@tonic-gate #ifdef __amd64 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate void * 27217c478bd9Sstevel@tonic-gate device_arena_alloc(size_t size, int vm_flag) 27227c478bd9Sstevel@tonic-gate { 27237c478bd9Sstevel@tonic-gate return (vmem_alloc(device_arena, size, vm_flag)); 27247c478bd9Sstevel@tonic-gate } 27257c478bd9Sstevel@tonic-gate 27267c478bd9Sstevel@tonic-gate void 27277c478bd9Sstevel@tonic-gate device_arena_free(void *vaddr, size_t size) 27287c478bd9Sstevel@tonic-gate { 27297c478bd9Sstevel@tonic-gate vmem_free(device_arena, vaddr, size); 27307c478bd9Sstevel@tonic-gate } 27317c478bd9Sstevel@tonic-gate 27327c478bd9Sstevel@tonic-gate #else 27337c478bd9Sstevel@tonic-gate 27347c478bd9Sstevel@tonic-gate void * 27357c478bd9Sstevel@tonic-gate device_arena_alloc(size_t size, int vm_flag) 27367c478bd9Sstevel@tonic-gate { 27377c478bd9Sstevel@tonic-gate caddr_t vaddr; 27387c478bd9Sstevel@tonic-gate uintptr_t v; 27397c478bd9Sstevel@tonic-gate size_t start; 27407c478bd9Sstevel@tonic-gate size_t end; 27417c478bd9Sstevel@tonic-gate 27427c478bd9Sstevel@tonic-gate vaddr = vmem_alloc(heap_arena, size, vm_flag); 27437c478bd9Sstevel@tonic-gate if (vaddr == NULL) 27447c478bd9Sstevel@tonic-gate return (NULL); 27457c478bd9Sstevel@tonic-gate 27467c478bd9Sstevel@tonic-gate v = (uintptr_t)vaddr; 27477c478bd9Sstevel@tonic-gate ASSERT(v >= kernelbase); 27487c478bd9Sstevel@tonic-gate ASSERT(v + size <= ptable_va); 27497c478bd9Sstevel@tonic-gate 27507c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 27517c478bd9Sstevel@tonic-gate end = btop(v + size - 1 - kernelbase); 27527c478bd9Sstevel@tonic-gate ASSERT(start < toxic_bit_map_len); 27537c478bd9Sstevel@tonic-gate ASSERT(end < toxic_bit_map_len); 27547c478bd9Sstevel@tonic-gate 27557c478bd9Sstevel@tonic-gate while (start <= end) { 27567c478bd9Sstevel@tonic-gate BT_ATOMIC_SET(toxic_bit_map, start); 27577c478bd9Sstevel@tonic-gate ++start; 27587c478bd9Sstevel@tonic-gate } 27597c478bd9Sstevel@tonic-gate return (vaddr); 27607c478bd9Sstevel@tonic-gate } 27617c478bd9Sstevel@tonic-gate 27627c478bd9Sstevel@tonic-gate void 27637c478bd9Sstevel@tonic-gate device_arena_free(void *vaddr, size_t size) 27647c478bd9Sstevel@tonic-gate { 27657c478bd9Sstevel@tonic-gate uintptr_t v = (uintptr_t)vaddr; 27667c478bd9Sstevel@tonic-gate size_t start; 27677c478bd9Sstevel@tonic-gate size_t end; 27687c478bd9Sstevel@tonic-gate 27697c478bd9Sstevel@tonic-gate ASSERT(v >= kernelbase); 27707c478bd9Sstevel@tonic-gate ASSERT(v + size <= ptable_va); 27717c478bd9Sstevel@tonic-gate 27727c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 27737c478bd9Sstevel@tonic-gate end = btop(v + size - 1 - kernelbase); 27747c478bd9Sstevel@tonic-gate ASSERT(start < toxic_bit_map_len); 27757c478bd9Sstevel@tonic-gate ASSERT(end < toxic_bit_map_len); 27767c478bd9Sstevel@tonic-gate 27777c478bd9Sstevel@tonic-gate while (start <= end) { 27787c478bd9Sstevel@tonic-gate ASSERT(BT_TEST(toxic_bit_map, start) != 0); 27797c478bd9Sstevel@tonic-gate BT_ATOMIC_CLEAR(toxic_bit_map, start); 27807c478bd9Sstevel@tonic-gate ++start; 27817c478bd9Sstevel@tonic-gate } 27827c478bd9Sstevel@tonic-gate vmem_free(heap_arena, vaddr, size); 27837c478bd9Sstevel@tonic-gate } 27847c478bd9Sstevel@tonic-gate 27857c478bd9Sstevel@tonic-gate /* 27867c478bd9Sstevel@tonic-gate * returns 1st address in range that is in device arena, or NULL 27877c478bd9Sstevel@tonic-gate * if len is not NULL it returns the length of the toxic range 27887c478bd9Sstevel@tonic-gate */ 27897c478bd9Sstevel@tonic-gate void * 27907c478bd9Sstevel@tonic-gate device_arena_contains(void *vaddr, size_t size, size_t *len) 27917c478bd9Sstevel@tonic-gate { 27927c478bd9Sstevel@tonic-gate uintptr_t v = (uintptr_t)vaddr; 27937c478bd9Sstevel@tonic-gate uintptr_t eaddr = v + size; 27947c478bd9Sstevel@tonic-gate size_t start; 27957c478bd9Sstevel@tonic-gate size_t end; 27967c478bd9Sstevel@tonic-gate 27977c478bd9Sstevel@tonic-gate /* 27987c478bd9Sstevel@tonic-gate * if called very early by kmdb, just return NULL 27997c478bd9Sstevel@tonic-gate */ 28007c478bd9Sstevel@tonic-gate if (toxic_bit_map == NULL) 28017c478bd9Sstevel@tonic-gate return (NULL); 28027c478bd9Sstevel@tonic-gate 28037c478bd9Sstevel@tonic-gate /* 28047c478bd9Sstevel@tonic-gate * First check if we're completely outside the bitmap range. 28057c478bd9Sstevel@tonic-gate */ 28067c478bd9Sstevel@tonic-gate if (v >= ptable_va || eaddr < kernelbase) 28077c478bd9Sstevel@tonic-gate return (NULL); 28087c478bd9Sstevel@tonic-gate 28097c478bd9Sstevel@tonic-gate /* 28107c478bd9Sstevel@tonic-gate * Trim ends of search to look at only what the bitmap covers. 28117c478bd9Sstevel@tonic-gate */ 28127c478bd9Sstevel@tonic-gate if (v < kernelbase) 28137c478bd9Sstevel@tonic-gate v = kernelbase; 28147c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 28157c478bd9Sstevel@tonic-gate end = btop(eaddr - kernelbase); 28167c478bd9Sstevel@tonic-gate if (end >= toxic_bit_map_len) 28177c478bd9Sstevel@tonic-gate end = toxic_bit_map_len; 28187c478bd9Sstevel@tonic-gate 28197c478bd9Sstevel@tonic-gate if (bt_range(toxic_bit_map, &start, &end, end) == 0) 28207c478bd9Sstevel@tonic-gate return (NULL); 28217c478bd9Sstevel@tonic-gate 28227c478bd9Sstevel@tonic-gate v = kernelbase + ptob(start); 28237c478bd9Sstevel@tonic-gate if (len != NULL) 28247c478bd9Sstevel@tonic-gate *len = ptob(end - start); 28257c478bd9Sstevel@tonic-gate return ((void *)v); 28267c478bd9Sstevel@tonic-gate } 28277c478bd9Sstevel@tonic-gate 28287c478bd9Sstevel@tonic-gate #endif 2829