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 /* 22fb2f18f8Sesaxe * Copyright 2007 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> 49ae115bc7Smrj #include <sys/mem.h> 507c478bd9Sstevel@tonic-gate #include <sys/kstat.h> 517c478bd9Sstevel@tonic-gate 527c478bd9Sstevel@tonic-gate #include <sys/reboot.h> 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate #include <sys/cred.h> 557c478bd9Sstevel@tonic-gate #include <sys/vnode.h> 567c478bd9Sstevel@tonic-gate #include <sys/file.h> 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate #include <sys/procfs.h> 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate #include <sys/vfs.h> 617c478bd9Sstevel@tonic-gate #include <sys/cmn_err.h> 627c478bd9Sstevel@tonic-gate #include <sys/utsname.h> 637c478bd9Sstevel@tonic-gate #include <sys/debug.h> 647c478bd9Sstevel@tonic-gate #include <sys/kdi.h> 657c478bd9Sstevel@tonic-gate 667c478bd9Sstevel@tonic-gate #include <sys/dumphdr.h> 677c478bd9Sstevel@tonic-gate #include <sys/bootconf.h> 687c478bd9Sstevel@tonic-gate #include <sys/varargs.h> 697c478bd9Sstevel@tonic-gate #include <sys/promif.h> 70*843e1988Sjohnlev #include <sys/modctl.h> 717c478bd9Sstevel@tonic-gate 727c478bd9Sstevel@tonic-gate #include <sys/sunddi.h> 737c478bd9Sstevel@tonic-gate #include <sys/sunndi.h> 747c478bd9Sstevel@tonic-gate #include <sys/ndi_impldefs.h> 757c478bd9Sstevel@tonic-gate #include <sys/ddidmareq.h> 767c478bd9Sstevel@tonic-gate #include <sys/psw.h> 777c478bd9Sstevel@tonic-gate #include <sys/regset.h> 787c478bd9Sstevel@tonic-gate #include <sys/clock.h> 797c478bd9Sstevel@tonic-gate #include <sys/pte.h> 807c478bd9Sstevel@tonic-gate #include <sys/tss.h> 817c478bd9Sstevel@tonic-gate #include <sys/stack.h> 827c478bd9Sstevel@tonic-gate #include <sys/trap.h> 837c478bd9Sstevel@tonic-gate #include <sys/fp.h> 847c478bd9Sstevel@tonic-gate #include <vm/anon.h> 857c478bd9Sstevel@tonic-gate #include <vm/as.h> 867c478bd9Sstevel@tonic-gate #include <vm/page.h> 877c478bd9Sstevel@tonic-gate #include <vm/seg.h> 887c478bd9Sstevel@tonic-gate #include <vm/seg_dev.h> 897c478bd9Sstevel@tonic-gate #include <vm/seg_kmem.h> 907c478bd9Sstevel@tonic-gate #include <vm/seg_kpm.h> 917c478bd9Sstevel@tonic-gate #include <vm/seg_map.h> 927c478bd9Sstevel@tonic-gate #include <vm/seg_vn.h> 937c478bd9Sstevel@tonic-gate #include <vm/seg_kp.h> 947c478bd9Sstevel@tonic-gate #include <sys/memnode.h> 957c478bd9Sstevel@tonic-gate #include <vm/vm_dep.h> 967c478bd9Sstevel@tonic-gate #include <sys/thread.h> 977c478bd9Sstevel@tonic-gate #include <sys/sysconf.h> 987c478bd9Sstevel@tonic-gate #include <sys/vm_machparam.h> 997c478bd9Sstevel@tonic-gate #include <sys/archsystm.h> 1007c478bd9Sstevel@tonic-gate #include <sys/machsystm.h> 1017c478bd9Sstevel@tonic-gate #include <vm/hat.h> 1027c478bd9Sstevel@tonic-gate #include <vm/hat_i86.h> 1037c478bd9Sstevel@tonic-gate #include <sys/pmem.h> 1047c478bd9Sstevel@tonic-gate #include <sys/smp_impldefs.h> 1057c478bd9Sstevel@tonic-gate #include <sys/x86_archext.h> 1067c478bd9Sstevel@tonic-gate #include <sys/segments.h> 1077c478bd9Sstevel@tonic-gate #include <sys/clconf.h> 1087c478bd9Sstevel@tonic-gate #include <sys/kobj.h> 1097c478bd9Sstevel@tonic-gate #include <sys/kobj_lex.h> 1107c478bd9Sstevel@tonic-gate #include <sys/cpc_impl.h> 1117c478bd9Sstevel@tonic-gate #include <sys/x86_archext.h> 1127aec1d6eScindi #include <sys/cpu_module.h> 11384ab085aSmws #include <sys/smbios.h> 114ae115bc7Smrj #include <sys/debug_info.h> 115ae115bc7Smrj 116*843e1988Sjohnlev #ifdef __xpv 117*843e1988Sjohnlev #include <sys/hypervisor.h> 118*843e1988Sjohnlev #include <sys/xen_mmu.h> 119*843e1988Sjohnlev #include <sys/evtchn_impl.h> 120*843e1988Sjohnlev #include <sys/gnttab.h> 121*843e1988Sjohnlev #include <sys/xpv_panic.h> 122*843e1988Sjohnlev #include <xen/sys/xenbus_comms.h> 123*843e1988Sjohnlev #include <xen/public/physdev.h> 124*843e1988Sjohnlev extern void xen_late_startup(void); 125*843e1988Sjohnlev extern struct xen_evt_data cpu0_evt_data; 126*843e1988Sjohnlev #endif 127ae115bc7Smrj 128ae115bc7Smrj #include <sys/bootinfo.h> 129ae115bc7Smrj #include <vm/kboot_mmu.h> 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate extern void progressbar_init(void); 1327c478bd9Sstevel@tonic-gate extern void progressbar_start(void); 1339acbbeafSnn extern void brand_init(void); 1347c478bd9Sstevel@tonic-gate 135d7d93655Sblakej extern int size_pse_array(pgcnt_t, int); 136d7d93655Sblakej 1377c478bd9Sstevel@tonic-gate /* 1387c478bd9Sstevel@tonic-gate * XXX make declaration below "static" when drivers no longer use this 1397c478bd9Sstevel@tonic-gate * interface. 1407c478bd9Sstevel@tonic-gate */ 1417c478bd9Sstevel@tonic-gate extern caddr_t p0_va; /* Virtual address for accessing physical page 0 */ 1427c478bd9Sstevel@tonic-gate 1437c478bd9Sstevel@tonic-gate /* 1447c478bd9Sstevel@tonic-gate * segkp 1457c478bd9Sstevel@tonic-gate */ 1467c478bd9Sstevel@tonic-gate extern int segkp_fromheap; 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate static void kvm_init(void); 1497c478bd9Sstevel@tonic-gate static void startup_init(void); 1507c478bd9Sstevel@tonic-gate static void startup_memlist(void); 151ae115bc7Smrj static void startup_kmem(void); 1527c478bd9Sstevel@tonic-gate static void startup_modules(void); 1537c478bd9Sstevel@tonic-gate static void startup_vm(void); 1547c478bd9Sstevel@tonic-gate static void startup_end(void); 15535b1ab99Sjosephb static void layout_kernel_va(void); 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * Declare these as initialized data so we can patch them. 1597c478bd9Sstevel@tonic-gate */ 160f53ad214Skchow #ifdef __i386 16135b1ab99Sjosephb 162f53ad214Skchow /* 163f53ad214Skchow * Due to virtual address space limitations running in 32 bit mode, restrict 16435b1ab99Sjosephb * the amount of physical memory configured to a max of PHYSMEM pages (16g). 165f53ad214Skchow * 166f53ad214Skchow * If the physical max memory size of 64g were allowed to be configured, the 167f53ad214Skchow * size of user virtual address space will be less than 1g. A limited user 168f53ad214Skchow * address space greatly reduces the range of applications that can run. 169f53ad214Skchow * 17035b1ab99Sjosephb * If more physical memory than PHYSMEM is required, users should preferably 17135b1ab99Sjosephb * run in 64 bit mode which has far looser virtual address space limitations. 172f53ad214Skchow * 173f53ad214Skchow * If 64 bit mode is not available (as in IA32) and/or more physical memory 17435b1ab99Sjosephb * than PHYSMEM is required in 32 bit mode, physmem can be set to the desired 175f53ad214Skchow * value or to 0 (to configure all available memory) via eeprom(1M). kernelbase 176f53ad214Skchow * should also be carefully tuned to balance out the need of the user 177f53ad214Skchow * application while minimizing the risk of kernel heap exhaustion due to 178f53ad214Skchow * kernelbase being set too high. 179f53ad214Skchow */ 18035b1ab99Sjosephb #define PHYSMEM 0x400000 181f53ad214Skchow 18235b1ab99Sjosephb #else /* __amd64 */ 18335b1ab99Sjosephb 18435b1ab99Sjosephb /* 18535b1ab99Sjosephb * For now we can handle memory with physical addresses up to about 18635b1ab99Sjosephb * 64 Terabytes. This keeps the kernel above the VA hole, leaving roughly 18735b1ab99Sjosephb * half the VA space for seg_kpm. When systems get bigger than 64TB this 18835b1ab99Sjosephb * code will need revisiting. There is an implicit assumption that there 18935b1ab99Sjosephb * are no *huge* holes in the physical address space too. 19035b1ab99Sjosephb */ 19135b1ab99Sjosephb #define TERABYTE (1ul << 40) 19235b1ab99Sjosephb #define PHYSMEM_MAX64 mmu_btop(64 * TERABYTE) 19335b1ab99Sjosephb #define PHYSMEM PHYSMEM_MAX64 19435b1ab99Sjosephb #define AMD64_VA_HOLE_END 0xFFFF800000000000ul 19535b1ab99Sjosephb 19635b1ab99Sjosephb #endif /* __amd64 */ 19735b1ab99Sjosephb 19835b1ab99Sjosephb pgcnt_t physmem = PHYSMEM; 1997c478bd9Sstevel@tonic-gate pgcnt_t obp_pages; /* Memory used by PROM for its text and data */ 2007c478bd9Sstevel@tonic-gate 2017c478bd9Sstevel@tonic-gate char *kobj_file_buf; 2027c478bd9Sstevel@tonic-gate int kobj_file_bufsize; /* set in /etc/system */ 2037c478bd9Sstevel@tonic-gate 2047c478bd9Sstevel@tonic-gate /* Global variables for MP support. Used in mp_startup */ 2057c478bd9Sstevel@tonic-gate caddr_t rm_platter_va; 2067c478bd9Sstevel@tonic-gate uint32_t rm_platter_pa; 2077c478bd9Sstevel@tonic-gate 20883f9b804Skchow int auto_lpg_disable = 1; 20983f9b804Skchow 2107c478bd9Sstevel@tonic-gate /* 2117c478bd9Sstevel@tonic-gate * Some CPUs have holes in the middle of the 64-bit virtual address range. 2127c478bd9Sstevel@tonic-gate */ 2137c478bd9Sstevel@tonic-gate uintptr_t hole_start, hole_end; 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate /* 2167c478bd9Sstevel@tonic-gate * kpm mapping window 2177c478bd9Sstevel@tonic-gate */ 2187c478bd9Sstevel@tonic-gate caddr_t kpm_vbase; 2197c478bd9Sstevel@tonic-gate size_t kpm_size; 22035b1ab99Sjosephb static int kpm_desired; 22135b1ab99Sjosephb #ifdef __amd64 22235b1ab99Sjosephb static uintptr_t segkpm_base = (uintptr_t)SEGKPM_BASE; 22335b1ab99Sjosephb #endif 2247c478bd9Sstevel@tonic-gate 2257c478bd9Sstevel@tonic-gate /* 2267c478bd9Sstevel@tonic-gate * Configuration parameters set at boot time. 2277c478bd9Sstevel@tonic-gate */ 2287c478bd9Sstevel@tonic-gate 2297c478bd9Sstevel@tonic-gate caddr_t econtig; /* end of first block of contiguous kernel */ 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate struct bootops *bootops = 0; /* passed in from boot */ 2327c478bd9Sstevel@tonic-gate struct bootops **bootopsp; 2337c478bd9Sstevel@tonic-gate struct boot_syscalls *sysp; /* passed in from boot */ 2347c478bd9Sstevel@tonic-gate 2357c478bd9Sstevel@tonic-gate char bootblock_fstype[16]; 2367c478bd9Sstevel@tonic-gate 2377c478bd9Sstevel@tonic-gate char kern_bootargs[OBP_MAXPATHLEN]; 2387c478bd9Sstevel@tonic-gate 239ad23a2dbSjohansen /* 240ad23a2dbSjohansen * ZFS zio segment. This allows us to exclude large portions of ZFS data that 241ad23a2dbSjohansen * gets cached in kmem caches on the heap. If this is set to zero, we allocate 242ad23a2dbSjohansen * zio buffers from their own segment, otherwise they are allocated from the 243ad23a2dbSjohansen * heap. The optimization of allocating zio buffers from their own segment is 244ad23a2dbSjohansen * only valid on 64-bit kernels. 245ad23a2dbSjohansen */ 246ad23a2dbSjohansen #if defined(__amd64) 247ad23a2dbSjohansen int segzio_fromheap = 0; 248ad23a2dbSjohansen #else 249ad23a2dbSjohansen int segzio_fromheap = 1; 250ad23a2dbSjohansen #endif 251ad23a2dbSjohansen 2527c478bd9Sstevel@tonic-gate /* 2537c478bd9Sstevel@tonic-gate * new memory fragmentations are possible in startup() due to BOP_ALLOCs. this 2547c478bd9Sstevel@tonic-gate * depends on number of BOP_ALLOC calls made and requested size, memory size 2557c478bd9Sstevel@tonic-gate * combination and whether boot.bin memory needs to be freed. 2567c478bd9Sstevel@tonic-gate */ 2577c478bd9Sstevel@tonic-gate #define POSS_NEW_FRAGMENTS 12 2587c478bd9Sstevel@tonic-gate 2597c478bd9Sstevel@tonic-gate /* 2607c478bd9Sstevel@tonic-gate * VM data structures 2617c478bd9Sstevel@tonic-gate */ 2627c478bd9Sstevel@tonic-gate long page_hashsz; /* Size of page hash table (power of two) */ 2637c478bd9Sstevel@tonic-gate struct page *pp_base; /* Base of initial system page struct array */ 2647c478bd9Sstevel@tonic-gate struct page **page_hash; /* Page hash table */ 265d7d93655Sblakej pad_mutex_t *pse_mutex; /* Locks protecting pp->p_selock */ 266d7d93655Sblakej size_t pse_table_size; /* Number of mutexes in pse_mutex[] */ 267d7d93655Sblakej int pse_shift; /* log2(pse_table_size) */ 2687c478bd9Sstevel@tonic-gate struct seg ktextseg; /* Segment used for kernel executable image */ 2697c478bd9Sstevel@tonic-gate struct seg kvalloc; /* Segment used for "valloc" mapping */ 2707c478bd9Sstevel@tonic-gate struct seg kpseg; /* Segment used for pageable kernel virt mem */ 2717c478bd9Sstevel@tonic-gate struct seg kmapseg; /* Segment used for generic kernel mappings */ 2727c478bd9Sstevel@tonic-gate struct seg kdebugseg; /* Segment used for the kernel debugger */ 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate struct seg *segkmap = &kmapseg; /* Kernel generic mapping segment */ 275ae115bc7Smrj static struct seg *segmap = &kmapseg; /* easier to use name for in here */ 276ae115bc7Smrj 2777c478bd9Sstevel@tonic-gate struct seg *segkp = &kpseg; /* Pageable kernel virtual memory segment */ 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate #if defined(__amd64) 2807c478bd9Sstevel@tonic-gate struct seg kvseg_core; /* Segment used for the core heap */ 2817c478bd9Sstevel@tonic-gate struct seg kpmseg; /* Segment used for physical mapping */ 2827c478bd9Sstevel@tonic-gate struct seg *segkpm = &kpmseg; /* 64bit kernel physical mapping segment */ 2837c478bd9Sstevel@tonic-gate #else 2847c478bd9Sstevel@tonic-gate struct seg *segkpm = NULL; /* Unused on IA32 */ 2857c478bd9Sstevel@tonic-gate #endif 2867c478bd9Sstevel@tonic-gate 2877c478bd9Sstevel@tonic-gate caddr_t segkp_base; /* Base address of segkp */ 288ad23a2dbSjohansen caddr_t segzio_base; /* Base address of segzio */ 2897c478bd9Sstevel@tonic-gate #if defined(__amd64) 2907c478bd9Sstevel@tonic-gate pgcnt_t segkpsize = btop(SEGKPDEFSIZE); /* size of segkp segment in pages */ 2917c478bd9Sstevel@tonic-gate #else 2927c478bd9Sstevel@tonic-gate pgcnt_t segkpsize = 0; 2937c478bd9Sstevel@tonic-gate #endif 294ad23a2dbSjohansen pgcnt_t segziosize = 0; /* size of zio segment in pages */ 2957c478bd9Sstevel@tonic-gate 296ae115bc7Smrj /* 297ae115bc7Smrj * VA range available to the debugger 298ae115bc7Smrj */ 299ae115bc7Smrj const caddr_t kdi_segdebugbase = (const caddr_t)SEGDEBUGBASE; 300ae115bc7Smrj const size_t kdi_segdebugsize = SEGDEBUGSIZE; 301ae115bc7Smrj 3027c478bd9Sstevel@tonic-gate struct memseg *memseg_base; 3037c478bd9Sstevel@tonic-gate struct vnode unused_pages_vp; 3047c478bd9Sstevel@tonic-gate 3057c478bd9Sstevel@tonic-gate #define FOURGB 0x100000000LL 3067c478bd9Sstevel@tonic-gate 3077c478bd9Sstevel@tonic-gate struct memlist *memlist; 3087c478bd9Sstevel@tonic-gate 3097c478bd9Sstevel@tonic-gate caddr_t s_text; /* start of kernel text segment */ 3107c478bd9Sstevel@tonic-gate caddr_t e_text; /* end of kernel text segment */ 3117c478bd9Sstevel@tonic-gate caddr_t s_data; /* start of kernel data segment */ 3127c478bd9Sstevel@tonic-gate caddr_t e_data; /* end of kernel data segment */ 3137c478bd9Sstevel@tonic-gate caddr_t modtext; /* start of loadable module text reserved */ 3147c478bd9Sstevel@tonic-gate caddr_t e_modtext; /* end of loadable module text reserved */ 3157c478bd9Sstevel@tonic-gate caddr_t moddata; /* start of loadable module data reserved */ 3167c478bd9Sstevel@tonic-gate caddr_t e_moddata; /* end of loadable module data reserved */ 3177c478bd9Sstevel@tonic-gate 3187c478bd9Sstevel@tonic-gate struct memlist *phys_install; /* Total installed physical memory */ 3197c478bd9Sstevel@tonic-gate struct memlist *phys_avail; /* Total available physical memory */ 3207c478bd9Sstevel@tonic-gate 3217c478bd9Sstevel@tonic-gate /* 3227c478bd9Sstevel@tonic-gate * kphysm_init returns the number of pages that were processed 3237c478bd9Sstevel@tonic-gate */ 324ae115bc7Smrj static pgcnt_t kphysm_init(page_t *, pgcnt_t); 3257c478bd9Sstevel@tonic-gate 3267c478bd9Sstevel@tonic-gate #define IO_PROP_SIZE 64 /* device property size */ 3277c478bd9Sstevel@tonic-gate 3287c478bd9Sstevel@tonic-gate /* 3297c478bd9Sstevel@tonic-gate * a couple useful roundup macros 3307c478bd9Sstevel@tonic-gate */ 3317c478bd9Sstevel@tonic-gate #define ROUND_UP_PAGE(x) \ 3327c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), (uintptr_t)MMU_PAGESIZE)) 3337c478bd9Sstevel@tonic-gate #define ROUND_UP_LPAGE(x) \ 3347c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), mmu.level_size[1])) 3357c478bd9Sstevel@tonic-gate #define ROUND_UP_4MEG(x) \ 336ae115bc7Smrj ((uintptr_t)P2ROUNDUP((uintptr_t)(x), (uintptr_t)FOUR_MEG)) 3377c478bd9Sstevel@tonic-gate #define ROUND_UP_TOPLEVEL(x) \ 3387c478bd9Sstevel@tonic-gate ((uintptr_t)P2ROUNDUP((uintptr_t)(x), mmu.level_size[mmu.max_level])) 3397c478bd9Sstevel@tonic-gate 3407c478bd9Sstevel@tonic-gate /* 3417c478bd9Sstevel@tonic-gate * 32-bit Kernel's Virtual memory layout. 3427c478bd9Sstevel@tonic-gate * +-----------------------+ 343ae115bc7Smrj * | | 3447c478bd9Sstevel@tonic-gate * 0xFFC00000 -|-----------------------|- ARGSBASE 3457c478bd9Sstevel@tonic-gate * | debugger | 3467c478bd9Sstevel@tonic-gate * 0xFF800000 -|-----------------------|- SEGDEBUGBASE 3477c478bd9Sstevel@tonic-gate * | Kernel Data | 3487c478bd9Sstevel@tonic-gate * 0xFEC00000 -|-----------------------| 3497c478bd9Sstevel@tonic-gate * | Kernel Text | 350*843e1988Sjohnlev * 0xFE800000 -|-----------------------|- KERNEL_TEXT (0xFB400000 on Xen) 351ae115bc7Smrj * |--- GDT ---|- GDT page (GDT_VA) 352ae115bc7Smrj * |--- debug info ---|- debug info (DEBUG_INFO_VA) 353ae115bc7Smrj * | | 354ae115bc7Smrj * | page_t structures | 3557c478bd9Sstevel@tonic-gate * | memsegs, memlists, | 3567c478bd9Sstevel@tonic-gate * | page hash, etc. | 357ae115bc7Smrj * --- -|-----------------------|- ekernelheap, valloc_base (floating) 358ae115bc7Smrj * | | (segkp is just an arena in the heap) 3597c478bd9Sstevel@tonic-gate * | | 3607c478bd9Sstevel@tonic-gate * | kvseg | 3617c478bd9Sstevel@tonic-gate * | | 3627c478bd9Sstevel@tonic-gate * | | 3637c478bd9Sstevel@tonic-gate * --- -|-----------------------|- kernelheap (floating) 3647c478bd9Sstevel@tonic-gate * | Segkmap | 365ae115bc7Smrj * 0xC3002000 -|-----------------------|- segmap_start (floating) 3667c478bd9Sstevel@tonic-gate * | Red Zone | 3677c478bd9Sstevel@tonic-gate * 0xC3000000 -|-----------------------|- kernelbase / userlimit (floating) 3687c478bd9Sstevel@tonic-gate * | | || 3697c478bd9Sstevel@tonic-gate * | Shared objects | \/ 3707c478bd9Sstevel@tonic-gate * | | 3717c478bd9Sstevel@tonic-gate * : : 3727c478bd9Sstevel@tonic-gate * | user data | 3737c478bd9Sstevel@tonic-gate * |-----------------------| 3747c478bd9Sstevel@tonic-gate * | user text | 3757c478bd9Sstevel@tonic-gate * 0x08048000 -|-----------------------| 3767c478bd9Sstevel@tonic-gate * | user stack | 3777c478bd9Sstevel@tonic-gate * : : 3787c478bd9Sstevel@tonic-gate * | invalid | 3797c478bd9Sstevel@tonic-gate * 0x00000000 +-----------------------+ 3807c478bd9Sstevel@tonic-gate * 3817c478bd9Sstevel@tonic-gate * 3827c478bd9Sstevel@tonic-gate * 64-bit Kernel's Virtual memory layout. (assuming 64 bit app) 3837c478bd9Sstevel@tonic-gate * +-----------------------+ 384ae115bc7Smrj * | | 3857c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FFC00000 |-----------------------|- ARGSBASE 3867c478bd9Sstevel@tonic-gate * | debugger (?) | 3877c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FF800000 |-----------------------|- SEGDEBUGBASE 3887c478bd9Sstevel@tonic-gate * | unused | 3897c478bd9Sstevel@tonic-gate * +-----------------------+ 3907c478bd9Sstevel@tonic-gate * | Kernel Data | 3917c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FBC00000 |-----------------------| 3927c478bd9Sstevel@tonic-gate * | Kernel Text | 3937c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.FB800000 |-----------------------|- KERNEL_TEXT 394ae115bc7Smrj * |--- GDT ---|- GDT page (GDT_VA) 395ae115bc7Smrj * |--- debug info ---|- debug info (DEBUG_INFO_VA) 396ae115bc7Smrj * | | 3977c478bd9Sstevel@tonic-gate * | Core heap | (used for loadable modules) 3987c478bd9Sstevel@tonic-gate * 0xFFFFFFFF.C0000000 |-----------------------|- core_base / ekernelheap 3997c478bd9Sstevel@tonic-gate * | Kernel | 4007c478bd9Sstevel@tonic-gate * | heap | 4017c478bd9Sstevel@tonic-gate * 0xFFFFFXXX.XXX00000 |-----------------------|- kernelheap (floating) 402ae115bc7Smrj * | segmap | 403ae115bc7Smrj * 0xFFFFFXXX.XXX00000 |-----------------------|- segmap_start (floating) 4047c478bd9Sstevel@tonic-gate * | device mappings | 4057c478bd9Sstevel@tonic-gate * 0xFFFFFXXX.XXX00000 |-----------------------|- toxic_addr (floating) 406ad23a2dbSjohansen * | segzio | 407ad23a2dbSjohansen * 0xFFFFFXXX.XXX00000 |-----------------------|- segzio_base (floating) 4087c478bd9Sstevel@tonic-gate * | segkp | 409ae115bc7Smrj * --- |-----------------------|- segkp_base (floating) 410ae115bc7Smrj * | page_t structures | valloc_base + valloc_sz 411ae115bc7Smrj * | memsegs, memlists, | 412ae115bc7Smrj * | page hash, etc. | 41335b1ab99Sjosephb * 0xFFFFFF00.00000000 |-----------------------|- valloc_base (lower if > 1TB) 4147c478bd9Sstevel@tonic-gate * | segkpm | 4157c478bd9Sstevel@tonic-gate * 0xFFFFFE00.00000000 |-----------------------| 4167c478bd9Sstevel@tonic-gate * | Red Zone | 41735b1ab99Sjosephb * 0xFFFFFD80.00000000 |-----------------------|- KERNELBASE (lower if > 1TB) 4187c478bd9Sstevel@tonic-gate * | User stack |- User space memory 4197c478bd9Sstevel@tonic-gate * | | 4207c478bd9Sstevel@tonic-gate * | shared objects, etc | (grows downwards) 4217c478bd9Sstevel@tonic-gate * : : 4227c478bd9Sstevel@tonic-gate * | | 4237c478bd9Sstevel@tonic-gate * 0xFFFF8000.00000000 |-----------------------| 4247c478bd9Sstevel@tonic-gate * | | 4257c478bd9Sstevel@tonic-gate * | VA Hole / unused | 4267c478bd9Sstevel@tonic-gate * | | 4277c478bd9Sstevel@tonic-gate * 0x00008000.00000000 |-----------------------| 4287c478bd9Sstevel@tonic-gate * | | 4297c478bd9Sstevel@tonic-gate * | | 4307c478bd9Sstevel@tonic-gate * : : 4317c478bd9Sstevel@tonic-gate * | user heap | (grows upwards) 4327c478bd9Sstevel@tonic-gate * | | 4337c478bd9Sstevel@tonic-gate * | user data | 4347c478bd9Sstevel@tonic-gate * |-----------------------| 4357c478bd9Sstevel@tonic-gate * | user text | 4367c478bd9Sstevel@tonic-gate * 0x00000000.04000000 |-----------------------| 4377c478bd9Sstevel@tonic-gate * | invalid | 4387c478bd9Sstevel@tonic-gate * 0x00000000.00000000 +-----------------------+ 4397c478bd9Sstevel@tonic-gate * 4407c478bd9Sstevel@tonic-gate * A 32 bit app on the 64 bit kernel sees the same layout as on the 32 bit 4417c478bd9Sstevel@tonic-gate * kernel, except that userlimit is raised to 0xfe000000 4427c478bd9Sstevel@tonic-gate * 4437c478bd9Sstevel@tonic-gate * Floating values: 4447c478bd9Sstevel@tonic-gate * 4457c478bd9Sstevel@tonic-gate * valloc_base: start of the kernel's memory management/tracking data 446ae115bc7Smrj * structures. This region contains page_t structures for 447ae115bc7Smrj * physical memory, memsegs, memlists, and the page hash. 4487c478bd9Sstevel@tonic-gate * 4497c478bd9Sstevel@tonic-gate * core_base: start of the kernel's "core" heap area on 64-bit systems. 4507c478bd9Sstevel@tonic-gate * This area is intended to be used for global data as well as for module 4517c478bd9Sstevel@tonic-gate * text/data that does not fit into the nucleus pages. The core heap is 4527c478bd9Sstevel@tonic-gate * restricted to a 2GB range, allowing every address within it to be 4537c478bd9Sstevel@tonic-gate * accessed using rip-relative addressing 4547c478bd9Sstevel@tonic-gate * 4557c478bd9Sstevel@tonic-gate * ekernelheap: end of kernelheap and start of segmap. 4567c478bd9Sstevel@tonic-gate * 4577c478bd9Sstevel@tonic-gate * kernelheap: start of kernel heap. On 32-bit systems, this starts right 4587c478bd9Sstevel@tonic-gate * above a red zone that separates the user's address space from the 4597c478bd9Sstevel@tonic-gate * kernel's. On 64-bit systems, it sits above segkp and segkpm. 4607c478bd9Sstevel@tonic-gate * 461ae115bc7Smrj * segmap_start: start of segmap. The length of segmap can be modified 4627c478bd9Sstevel@tonic-gate * by changing segmapsize in /etc/system (preferred) or eeprom (deprecated). 4637c478bd9Sstevel@tonic-gate * The default length is 16MB on 32-bit systems and 64MB on 64-bit systems. 4647c478bd9Sstevel@tonic-gate * 4657c478bd9Sstevel@tonic-gate * kernelbase: On a 32-bit kernel the default value of 0xd4000000 will be 4667c478bd9Sstevel@tonic-gate * decreased by 2X the size required for page_t. This allows the kernel 4677c478bd9Sstevel@tonic-gate * heap to grow in size with physical memory. With sizeof(page_t) == 80 4687c478bd9Sstevel@tonic-gate * bytes, the following shows the values of kernelbase and kernel heap 4697c478bd9Sstevel@tonic-gate * sizes for different memory configurations (assuming default segmap and 4707c478bd9Sstevel@tonic-gate * segkp sizes). 4717c478bd9Sstevel@tonic-gate * 4727c478bd9Sstevel@tonic-gate * mem size for kernelbase kernel heap 4737c478bd9Sstevel@tonic-gate * size page_t's size 4747c478bd9Sstevel@tonic-gate * ---- --------- ---------- ----------- 4757c478bd9Sstevel@tonic-gate * 1gb 0x01400000 0xd1800000 684MB 4767c478bd9Sstevel@tonic-gate * 2gb 0x02800000 0xcf000000 704MB 4777c478bd9Sstevel@tonic-gate * 4gb 0x05000000 0xca000000 744MB 4787c478bd9Sstevel@tonic-gate * 6gb 0x07800000 0xc5000000 784MB 4797c478bd9Sstevel@tonic-gate * 8gb 0x0a000000 0xc0000000 824MB 4807c478bd9Sstevel@tonic-gate * 16gb 0x14000000 0xac000000 984MB 4817c478bd9Sstevel@tonic-gate * 32gb 0x28000000 0x84000000 1304MB 4827c478bd9Sstevel@tonic-gate * 64gb 0x50000000 0x34000000 1944MB (*) 4837c478bd9Sstevel@tonic-gate * 4847c478bd9Sstevel@tonic-gate * kernelbase is less than the abi minimum of 0xc0000000 for memory 4857c478bd9Sstevel@tonic-gate * configurations above 8gb. 4867c478bd9Sstevel@tonic-gate * 4877c478bd9Sstevel@tonic-gate * (*) support for memory configurations above 32gb will require manual tuning 4887c478bd9Sstevel@tonic-gate * of kernelbase to balance out the need of user applications. 4897c478bd9Sstevel@tonic-gate */ 4907c478bd9Sstevel@tonic-gate 4917c478bd9Sstevel@tonic-gate /* real-time-clock initialization parameters */ 492ae115bc7Smrj extern time_t process_rtc_config_file(void); 4937c478bd9Sstevel@tonic-gate 4947c478bd9Sstevel@tonic-gate uintptr_t kernelbase; 495ae115bc7Smrj uintptr_t postbootkernelbase; /* not set till boot loader is gone */ 4967c478bd9Sstevel@tonic-gate uintptr_t eprom_kernelbase; 4977c478bd9Sstevel@tonic-gate size_t segmapsize; 498ae115bc7Smrj uintptr_t segmap_start; 4997c478bd9Sstevel@tonic-gate int segmapfreelists; 5007c478bd9Sstevel@tonic-gate pgcnt_t npages; 501ae115bc7Smrj pgcnt_t orig_npages; 5027c478bd9Sstevel@tonic-gate size_t core_size; /* size of "core" heap */ 5037c478bd9Sstevel@tonic-gate uintptr_t core_base; /* base address of "core" heap */ 5047c478bd9Sstevel@tonic-gate 5057c478bd9Sstevel@tonic-gate /* 5067c478bd9Sstevel@tonic-gate * List of bootstrap pages. We mark these as allocated in startup. 5077c478bd9Sstevel@tonic-gate * release_bootstrap() will free them when we're completely done with 5087c478bd9Sstevel@tonic-gate * the bootstrap. 5097c478bd9Sstevel@tonic-gate */ 510ae115bc7Smrj static page_t *bootpages; 511ae115bc7Smrj 512ae115bc7Smrj /* 513ae115bc7Smrj * boot time pages that have a vnode from the ramdisk will keep that forever. 514ae115bc7Smrj */ 515ae115bc7Smrj static page_t *rd_pages; 5167c478bd9Sstevel@tonic-gate 5177c478bd9Sstevel@tonic-gate struct system_hardware system_hardware; 5187c478bd9Sstevel@tonic-gate 5197c478bd9Sstevel@tonic-gate /* 5207c478bd9Sstevel@tonic-gate * Enable some debugging messages concerning memory usage... 5217c478bd9Sstevel@tonic-gate */ 5227c478bd9Sstevel@tonic-gate static void 523ae115bc7Smrj print_memlist(char *title, struct memlist *mp) 5247c478bd9Sstevel@tonic-gate { 5257c478bd9Sstevel@tonic-gate prom_printf("MEMLIST: %s:\n", title); 5267c478bd9Sstevel@tonic-gate while (mp != NULL) { 5277c478bd9Sstevel@tonic-gate prom_printf("\tAddress 0x%" PRIx64 ", size 0x%" PRIx64 "\n", 5287c478bd9Sstevel@tonic-gate mp->address, mp->size); 5297c478bd9Sstevel@tonic-gate mp = mp->next; 5307c478bd9Sstevel@tonic-gate } 5317c478bd9Sstevel@tonic-gate } 5327c478bd9Sstevel@tonic-gate 5337c478bd9Sstevel@tonic-gate /* 5347c478bd9Sstevel@tonic-gate * XX64 need a comment here.. are these just default values, surely 5357c478bd9Sstevel@tonic-gate * we read the "cpuid" type information to figure this out. 5367c478bd9Sstevel@tonic-gate */ 5377c478bd9Sstevel@tonic-gate int l2cache_sz = 0x80000; 5387c478bd9Sstevel@tonic-gate int l2cache_linesz = 0x40; 5397c478bd9Sstevel@tonic-gate int l2cache_assoc = 1; 5407c478bd9Sstevel@tonic-gate 5412cb27123Saguzovsk static size_t textrepl_min_gb = 10; 5422cb27123Saguzovsk 5437c478bd9Sstevel@tonic-gate /* 5447c478bd9Sstevel@tonic-gate * on 64 bit we use a predifined VA range for mapping devices in the kernel 5457c478bd9Sstevel@tonic-gate * on 32 bit the mappings are intermixed in the heap, so we use a bit map 5467c478bd9Sstevel@tonic-gate */ 5477c478bd9Sstevel@tonic-gate #ifdef __amd64 5487c478bd9Sstevel@tonic-gate 5497c478bd9Sstevel@tonic-gate vmem_t *device_arena; 5507c478bd9Sstevel@tonic-gate uintptr_t toxic_addr = (uintptr_t)NULL; 551ae115bc7Smrj size_t toxic_size = 1024 * 1024 * 1024; /* Sparc uses 1 gig too */ 5527c478bd9Sstevel@tonic-gate 5537c478bd9Sstevel@tonic-gate #else /* __i386 */ 5547c478bd9Sstevel@tonic-gate 5557c478bd9Sstevel@tonic-gate ulong_t *toxic_bit_map; /* one bit for each 4k of VA in heap_arena */ 5567c478bd9Sstevel@tonic-gate size_t toxic_bit_map_len = 0; /* in bits */ 5577c478bd9Sstevel@tonic-gate 5587c478bd9Sstevel@tonic-gate #endif /* __i386 */ 5597c478bd9Sstevel@tonic-gate 5607c478bd9Sstevel@tonic-gate /* 5617c478bd9Sstevel@tonic-gate * Simple boot time debug facilities 5627c478bd9Sstevel@tonic-gate */ 5637c478bd9Sstevel@tonic-gate static char *prm_dbg_str[] = { 5647c478bd9Sstevel@tonic-gate "%s:%d: '%s' is 0x%x\n", 5657c478bd9Sstevel@tonic-gate "%s:%d: '%s' is 0x%llx\n" 5667c478bd9Sstevel@tonic-gate }; 5677c478bd9Sstevel@tonic-gate 5687c478bd9Sstevel@tonic-gate int prom_debug; 5697c478bd9Sstevel@tonic-gate 5707c478bd9Sstevel@tonic-gate #define PRM_DEBUG(q) if (prom_debug) \ 5717c478bd9Sstevel@tonic-gate prom_printf(prm_dbg_str[sizeof (q) >> 3], "startup.c", __LINE__, #q, q); 5727c478bd9Sstevel@tonic-gate #define PRM_POINT(q) if (prom_debug) \ 5737c478bd9Sstevel@tonic-gate prom_printf("%s:%d: %s\n", "startup.c", __LINE__, q); 5747c478bd9Sstevel@tonic-gate 5757c478bd9Sstevel@tonic-gate /* 5767c478bd9Sstevel@tonic-gate * This structure is used to keep track of the intial allocations 5777c478bd9Sstevel@tonic-gate * done in startup_memlist(). The value of NUM_ALLOCATIONS needs to 5787c478bd9Sstevel@tonic-gate * be >= the number of ADD_TO_ALLOCATIONS() executed in the code. 5797c478bd9Sstevel@tonic-gate */ 5807c478bd9Sstevel@tonic-gate #define NUM_ALLOCATIONS 7 5817c478bd9Sstevel@tonic-gate int num_allocations = 0; 5827c478bd9Sstevel@tonic-gate struct { 5837c478bd9Sstevel@tonic-gate void **al_ptr; 5847c478bd9Sstevel@tonic-gate size_t al_size; 5857c478bd9Sstevel@tonic-gate } allocations[NUM_ALLOCATIONS]; 5867c478bd9Sstevel@tonic-gate size_t valloc_sz = 0; 5877c478bd9Sstevel@tonic-gate uintptr_t valloc_base; 5887c478bd9Sstevel@tonic-gate 5897c478bd9Sstevel@tonic-gate #define ADD_TO_ALLOCATIONS(ptr, size) { \ 5907c478bd9Sstevel@tonic-gate size = ROUND_UP_PAGE(size); \ 5917c478bd9Sstevel@tonic-gate if (num_allocations == NUM_ALLOCATIONS) \ 5927c478bd9Sstevel@tonic-gate panic("too many ADD_TO_ALLOCATIONS()"); \ 5937c478bd9Sstevel@tonic-gate allocations[num_allocations].al_ptr = (void**)&ptr; \ 5947c478bd9Sstevel@tonic-gate allocations[num_allocations].al_size = size; \ 5957c478bd9Sstevel@tonic-gate valloc_sz += size; \ 5967c478bd9Sstevel@tonic-gate ++num_allocations; \ 5977c478bd9Sstevel@tonic-gate } 5987c478bd9Sstevel@tonic-gate 599ae115bc7Smrj /* 600ae115bc7Smrj * Allocate all the initial memory needed by the page allocator. 601ae115bc7Smrj */ 6027c478bd9Sstevel@tonic-gate static void 6037c478bd9Sstevel@tonic-gate perform_allocations(void) 6047c478bd9Sstevel@tonic-gate { 6057c478bd9Sstevel@tonic-gate caddr_t mem; 6067c478bd9Sstevel@tonic-gate int i; 607ae115bc7Smrj int valloc_align; 6087c478bd9Sstevel@tonic-gate 609ae115bc7Smrj PRM_DEBUG(valloc_base); 610ae115bc7Smrj PRM_DEBUG(valloc_sz); 611ae115bc7Smrj valloc_align = mmu.level_size[mmu.max_page_level > 0]; 612ae115bc7Smrj mem = BOP_ALLOC(bootops, (caddr_t)valloc_base, valloc_sz, valloc_align); 6137c478bd9Sstevel@tonic-gate if (mem != (caddr_t)valloc_base) 6147c478bd9Sstevel@tonic-gate panic("BOP_ALLOC() failed"); 6157c478bd9Sstevel@tonic-gate bzero(mem, valloc_sz); 6167c478bd9Sstevel@tonic-gate for (i = 0; i < num_allocations; ++i) { 6177c478bd9Sstevel@tonic-gate *allocations[i].al_ptr = (void *)mem; 6187c478bd9Sstevel@tonic-gate mem += allocations[i].al_size; 6197c478bd9Sstevel@tonic-gate } 6207c478bd9Sstevel@tonic-gate } 6217c478bd9Sstevel@tonic-gate 6227c478bd9Sstevel@tonic-gate /* 6237c478bd9Sstevel@tonic-gate * Our world looks like this at startup time. 6247c478bd9Sstevel@tonic-gate * 6257c478bd9Sstevel@tonic-gate * In a 32-bit OS, boot loads the kernel text at 0xfe800000 and kernel data 6267c478bd9Sstevel@tonic-gate * at 0xfec00000. On a 64-bit OS, kernel text and data are loaded at 6277c478bd9Sstevel@tonic-gate * 0xffffffff.fe800000 and 0xffffffff.fec00000 respectively. Those 6287c478bd9Sstevel@tonic-gate * addresses are fixed in the binary at link time. 6297c478bd9Sstevel@tonic-gate * 6307c478bd9Sstevel@tonic-gate * On the text page: 6317c478bd9Sstevel@tonic-gate * unix/genunix/krtld/module text loads. 6327c478bd9Sstevel@tonic-gate * 6337c478bd9Sstevel@tonic-gate * On the data page: 634ae115bc7Smrj * unix/genunix/krtld/module data loads. 635ae115bc7Smrj * 6367c478bd9Sstevel@tonic-gate * Machine-dependent startup code 6377c478bd9Sstevel@tonic-gate */ 6387c478bd9Sstevel@tonic-gate void 6397c478bd9Sstevel@tonic-gate startup(void) 6407c478bd9Sstevel@tonic-gate { 641*843e1988Sjohnlev #if !defined(__xpv) 64275bcd456Sjg extern void startup_bios_disk(void); 64375bcd456Sjg extern void startup_pci_bios(void); 644*843e1988Sjohnlev #endif 645*843e1988Sjohnlev /* 646*843e1988Sjohnlev * Make sure that nobody tries to use sekpm until we have 647*843e1988Sjohnlev * initialized it properly. 648*843e1988Sjohnlev */ 6497c478bd9Sstevel@tonic-gate #if defined(__amd64) 65035b1ab99Sjosephb kpm_desired = 1; 6517c478bd9Sstevel@tonic-gate #endif 6527c478bd9Sstevel@tonic-gate kpm_enable = 0; 6537c478bd9Sstevel@tonic-gate 654*843e1988Sjohnlev #if defined(__xpv) /* XXPV fix me! */ 655*843e1988Sjohnlev { 656*843e1988Sjohnlev extern int segvn_use_regions; 657*843e1988Sjohnlev segvn_use_regions = 0; 658*843e1988Sjohnlev } 659*843e1988Sjohnlev #endif 6607c478bd9Sstevel@tonic-gate progressbar_init(); 6617c478bd9Sstevel@tonic-gate startup_init(); 6627c478bd9Sstevel@tonic-gate startup_memlist(); 663ae115bc7Smrj startup_kmem(); 66435b1ab99Sjosephb startup_vm(); 665*843e1988Sjohnlev #if !defined(__xpv) 66675bcd456Sjg startup_pci_bios(); 667*843e1988Sjohnlev #endif 6687c478bd9Sstevel@tonic-gate startup_modules(); 669*843e1988Sjohnlev #if !defined(__xpv) 6707c478bd9Sstevel@tonic-gate startup_bios_disk(); 671*843e1988Sjohnlev #endif 6727c478bd9Sstevel@tonic-gate startup_end(); 6737c478bd9Sstevel@tonic-gate progressbar_start(); 6747c478bd9Sstevel@tonic-gate } 6757c478bd9Sstevel@tonic-gate 6767c478bd9Sstevel@tonic-gate static void 6777c478bd9Sstevel@tonic-gate startup_init() 6787c478bd9Sstevel@tonic-gate { 6797c478bd9Sstevel@tonic-gate PRM_POINT("startup_init() starting..."); 6807c478bd9Sstevel@tonic-gate 6817c478bd9Sstevel@tonic-gate /* 6827c478bd9Sstevel@tonic-gate * Complete the extraction of cpuid data 6837c478bd9Sstevel@tonic-gate */ 6847c478bd9Sstevel@tonic-gate cpuid_pass2(CPU); 6857c478bd9Sstevel@tonic-gate 6867c478bd9Sstevel@tonic-gate (void) check_boot_version(BOP_GETVERSION(bootops)); 6877c478bd9Sstevel@tonic-gate 6887c478bd9Sstevel@tonic-gate /* 6897c478bd9Sstevel@tonic-gate * Check for prom_debug in boot environment 6907c478bd9Sstevel@tonic-gate */ 6917c478bd9Sstevel@tonic-gate if (BOP_GETPROPLEN(bootops, "prom_debug") >= 0) { 6927c478bd9Sstevel@tonic-gate ++prom_debug; 6937c478bd9Sstevel@tonic-gate PRM_POINT("prom_debug found in boot enviroment"); 6947c478bd9Sstevel@tonic-gate } 6957c478bd9Sstevel@tonic-gate 6967c478bd9Sstevel@tonic-gate /* 6977c478bd9Sstevel@tonic-gate * Collect node, cpu and memory configuration information. 6987c478bd9Sstevel@tonic-gate */ 6997c478bd9Sstevel@tonic-gate get_system_configuration(); 7007c478bd9Sstevel@tonic-gate 7017c478bd9Sstevel@tonic-gate /* 7027c478bd9Sstevel@tonic-gate * Halt if this is an unsupported processor. 7037c478bd9Sstevel@tonic-gate */ 7047c478bd9Sstevel@tonic-gate if (x86_type == X86_TYPE_486 || x86_type == X86_TYPE_CYRIX_486) { 7057c478bd9Sstevel@tonic-gate printf("\n486 processor (\"%s\") detected.\n", 7067c478bd9Sstevel@tonic-gate CPU->cpu_brandstr); 7077c478bd9Sstevel@tonic-gate halt("This processor is not supported by this release " 7087c478bd9Sstevel@tonic-gate "of Solaris."); 7097c478bd9Sstevel@tonic-gate } 7107c478bd9Sstevel@tonic-gate 7117c478bd9Sstevel@tonic-gate PRM_POINT("startup_init() done"); 7127c478bd9Sstevel@tonic-gate } 7137c478bd9Sstevel@tonic-gate 7147c478bd9Sstevel@tonic-gate /* 7157c478bd9Sstevel@tonic-gate * Callback for copy_memlist_filter() to filter nucleus, kadb/kmdb, (ie. 7167c478bd9Sstevel@tonic-gate * everything mapped above KERNEL_TEXT) pages from phys_avail. Note it 7177c478bd9Sstevel@tonic-gate * also filters out physical page zero. There is some reliance on the 7187c478bd9Sstevel@tonic-gate * boot loader allocating only a few contiguous physical memory chunks. 7197c478bd9Sstevel@tonic-gate */ 7207c478bd9Sstevel@tonic-gate static void 7217c478bd9Sstevel@tonic-gate avail_filter(uint64_t *addr, uint64_t *size) 7227c478bd9Sstevel@tonic-gate { 7237c478bd9Sstevel@tonic-gate uintptr_t va; 7247c478bd9Sstevel@tonic-gate uintptr_t next_va; 7257c478bd9Sstevel@tonic-gate pfn_t pfn; 7267c478bd9Sstevel@tonic-gate uint64_t pfn_addr; 7277c478bd9Sstevel@tonic-gate uint64_t pfn_eaddr; 7287c478bd9Sstevel@tonic-gate uint_t prot; 7297c478bd9Sstevel@tonic-gate size_t len; 7307c478bd9Sstevel@tonic-gate uint_t change; 7317c478bd9Sstevel@tonic-gate 7327c478bd9Sstevel@tonic-gate if (prom_debug) 7337c478bd9Sstevel@tonic-gate prom_printf("\tFilter: in: a=%" PRIx64 ", s=%" PRIx64 "\n", 7347c478bd9Sstevel@tonic-gate *addr, *size); 7357c478bd9Sstevel@tonic-gate 7367c478bd9Sstevel@tonic-gate /* 7377c478bd9Sstevel@tonic-gate * page zero is required for BIOS.. never make it available 7387c478bd9Sstevel@tonic-gate */ 7397c478bd9Sstevel@tonic-gate if (*addr == 0) { 7407c478bd9Sstevel@tonic-gate *addr += MMU_PAGESIZE; 7417c478bd9Sstevel@tonic-gate *size -= MMU_PAGESIZE; 7427c478bd9Sstevel@tonic-gate } 7437c478bd9Sstevel@tonic-gate 7447c478bd9Sstevel@tonic-gate /* 745ae115bc7Smrj * First we trim from the front of the range. Since kbm_probe() 7467c478bd9Sstevel@tonic-gate * walks ranges in virtual order, but addr/size are physical, we need 7477c478bd9Sstevel@tonic-gate * to the list until no changes are seen. This deals with the case 7487c478bd9Sstevel@tonic-gate * where page "p" is mapped at v, page "p + PAGESIZE" is mapped at w 7497c478bd9Sstevel@tonic-gate * but w < v. 7507c478bd9Sstevel@tonic-gate */ 7517c478bd9Sstevel@tonic-gate do { 7527c478bd9Sstevel@tonic-gate change = 0; 7537c478bd9Sstevel@tonic-gate for (va = KERNEL_TEXT; 754ae115bc7Smrj *size > 0 && kbm_probe(&va, &len, &pfn, &prot) != 0; 7557c478bd9Sstevel@tonic-gate va = next_va) { 7567c478bd9Sstevel@tonic-gate 7577c478bd9Sstevel@tonic-gate next_va = va + len; 758ae115bc7Smrj pfn_addr = pfn_to_pa(pfn); 7597c478bd9Sstevel@tonic-gate pfn_eaddr = pfn_addr + len; 7607c478bd9Sstevel@tonic-gate 7617c478bd9Sstevel@tonic-gate if (pfn_addr <= *addr && pfn_eaddr > *addr) { 7627c478bd9Sstevel@tonic-gate change = 1; 7637c478bd9Sstevel@tonic-gate while (*size > 0 && len > 0) { 7647c478bd9Sstevel@tonic-gate *addr += MMU_PAGESIZE; 7657c478bd9Sstevel@tonic-gate *size -= MMU_PAGESIZE; 7667c478bd9Sstevel@tonic-gate len -= MMU_PAGESIZE; 7677c478bd9Sstevel@tonic-gate } 7687c478bd9Sstevel@tonic-gate } 7697c478bd9Sstevel@tonic-gate } 7707c478bd9Sstevel@tonic-gate if (change && prom_debug) 7717c478bd9Sstevel@tonic-gate prom_printf("\t\ttrim: a=%" PRIx64 ", s=%" PRIx64 "\n", 7727c478bd9Sstevel@tonic-gate *addr, *size); 7737c478bd9Sstevel@tonic-gate } while (change); 7747c478bd9Sstevel@tonic-gate 7757c478bd9Sstevel@tonic-gate /* 7767c478bd9Sstevel@tonic-gate * Trim pages from the end of the range. 7777c478bd9Sstevel@tonic-gate */ 7787c478bd9Sstevel@tonic-gate for (va = KERNEL_TEXT; 779ae115bc7Smrj *size > 0 && kbm_probe(&va, &len, &pfn, &prot) != 0; 7807c478bd9Sstevel@tonic-gate va = next_va) { 7817c478bd9Sstevel@tonic-gate 7827c478bd9Sstevel@tonic-gate next_va = va + len; 783ae115bc7Smrj pfn_addr = pfn_to_pa(pfn); 7847c478bd9Sstevel@tonic-gate 7857c478bd9Sstevel@tonic-gate if (pfn_addr >= *addr && pfn_addr < *addr + *size) 7867c478bd9Sstevel@tonic-gate *size = pfn_addr - *addr; 7877c478bd9Sstevel@tonic-gate } 7887c478bd9Sstevel@tonic-gate 7897c478bd9Sstevel@tonic-gate if (prom_debug) 7907c478bd9Sstevel@tonic-gate prom_printf("\tFilter out: a=%" PRIx64 ", s=%" PRIx64 "\n", 7917c478bd9Sstevel@tonic-gate *addr, *size); 7927c478bd9Sstevel@tonic-gate } 7937c478bd9Sstevel@tonic-gate 7947c478bd9Sstevel@tonic-gate static void 7957c478bd9Sstevel@tonic-gate kpm_init() 7967c478bd9Sstevel@tonic-gate { 7977c478bd9Sstevel@tonic-gate struct segkpm_crargs b; 7987c478bd9Sstevel@tonic-gate 7997c478bd9Sstevel@tonic-gate /* 8007c478bd9Sstevel@tonic-gate * These variables were all designed for sfmmu in which segkpm is 8017c478bd9Sstevel@tonic-gate * mapped using a single pagesize - either 8KB or 4MB. On x86, we 8027c478bd9Sstevel@tonic-gate * might use 2+ page sizes on a single machine, so none of these 8037c478bd9Sstevel@tonic-gate * variables have a single correct value. They are set up as if we 8047c478bd9Sstevel@tonic-gate * always use a 4KB pagesize, which should do no harm. In the long 8057c478bd9Sstevel@tonic-gate * run, we should get rid of KPM's assumption that only a single 8067c478bd9Sstevel@tonic-gate * pagesize is used. 8077c478bd9Sstevel@tonic-gate */ 8087c478bd9Sstevel@tonic-gate kpm_pgshft = MMU_PAGESHIFT; 8097c478bd9Sstevel@tonic-gate kpm_pgsz = MMU_PAGESIZE; 8107c478bd9Sstevel@tonic-gate kpm_pgoff = MMU_PAGEOFFSET; 8117c478bd9Sstevel@tonic-gate kpmp2pshft = 0; 8127c478bd9Sstevel@tonic-gate kpmpnpgs = 1; 8137c478bd9Sstevel@tonic-gate ASSERT(((uintptr_t)kpm_vbase & (kpm_pgsz - 1)) == 0); 8147c478bd9Sstevel@tonic-gate 8157c478bd9Sstevel@tonic-gate PRM_POINT("about to create segkpm"); 8167c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 8177c478bd9Sstevel@tonic-gate 8187c478bd9Sstevel@tonic-gate if (seg_attach(&kas, kpm_vbase, kpm_size, segkpm) < 0) 8197c478bd9Sstevel@tonic-gate panic("cannot attach segkpm"); 8207c478bd9Sstevel@tonic-gate 8217c478bd9Sstevel@tonic-gate b.prot = PROT_READ | PROT_WRITE; 8227c478bd9Sstevel@tonic-gate b.nvcolors = 1; 8237c478bd9Sstevel@tonic-gate 8247c478bd9Sstevel@tonic-gate if (segkpm_create(segkpm, (caddr_t)&b) != 0) 8257c478bd9Sstevel@tonic-gate panic("segkpm_create segkpm"); 8267c478bd9Sstevel@tonic-gate 8277c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 828ae115bc7Smrj } 8297c478bd9Sstevel@tonic-gate 830ae115bc7Smrj /* 831ae115bc7Smrj * The debug info page provides enough information to allow external 832ae115bc7Smrj * inspectors (e.g. when running under a hypervisor) to bootstrap 833ae115bc7Smrj * themselves into allowing full-blown kernel debugging. 834ae115bc7Smrj */ 835ae115bc7Smrj static void 836ae115bc7Smrj init_debug_info(void) 837ae115bc7Smrj { 838ae115bc7Smrj caddr_t mem; 839ae115bc7Smrj debug_info_t *di; 840ae115bc7Smrj 841ae115bc7Smrj #ifndef __lint 842ae115bc7Smrj ASSERT(sizeof (debug_info_t) < MMU_PAGESIZE); 843ae115bc7Smrj #endif 844ae115bc7Smrj 845ae115bc7Smrj mem = BOP_ALLOC(bootops, (caddr_t)DEBUG_INFO_VA, MMU_PAGESIZE, 846ae115bc7Smrj MMU_PAGESIZE); 847ae115bc7Smrj 848ae115bc7Smrj if (mem != (caddr_t)DEBUG_INFO_VA) 849ae115bc7Smrj panic("BOP_ALLOC() failed"); 850ae115bc7Smrj bzero(mem, MMU_PAGESIZE); 851ae115bc7Smrj 852ae115bc7Smrj di = (debug_info_t *)mem; 853ae115bc7Smrj 854ae115bc7Smrj di->di_magic = DEBUG_INFO_MAGIC; 855ae115bc7Smrj di->di_version = DEBUG_INFO_VERSION; 856*843e1988Sjohnlev di->di_modules = (uintptr_t)&modules; 857*843e1988Sjohnlev di->di_s_text = (uintptr_t)s_text; 858*843e1988Sjohnlev di->di_e_text = (uintptr_t)e_text; 859*843e1988Sjohnlev di->di_s_data = (uintptr_t)s_data; 860*843e1988Sjohnlev di->di_e_data = (uintptr_t)e_data; 861*843e1988Sjohnlev di->di_hat_htable_off = offsetof(hat_t, hat_htable); 862*843e1988Sjohnlev di->di_ht_pfn_off = offsetof(htable_t, ht_pfn); 8637c478bd9Sstevel@tonic-gate } 8647c478bd9Sstevel@tonic-gate 8657c478bd9Sstevel@tonic-gate /* 866ae115bc7Smrj * Build the memlists and other kernel essential memory system data structures. 867ae115bc7Smrj * This is everything at valloc_base. 8687c478bd9Sstevel@tonic-gate */ 8697c478bd9Sstevel@tonic-gate static void 8707c478bd9Sstevel@tonic-gate startup_memlist(void) 8717c478bd9Sstevel@tonic-gate { 8727c478bd9Sstevel@tonic-gate size_t memlist_sz; 8737c478bd9Sstevel@tonic-gate size_t memseg_sz; 8747c478bd9Sstevel@tonic-gate size_t pagehash_sz; 8757c478bd9Sstevel@tonic-gate size_t pp_sz; 8767c478bd9Sstevel@tonic-gate uintptr_t va; 8777c478bd9Sstevel@tonic-gate size_t len; 8787c478bd9Sstevel@tonic-gate uint_t prot; 8797c478bd9Sstevel@tonic-gate pfn_t pfn; 8807c478bd9Sstevel@tonic-gate int memblocks; 8817c478bd9Sstevel@tonic-gate caddr_t pagecolor_mem; 8827c478bd9Sstevel@tonic-gate size_t pagecolor_memsz; 8837c478bd9Sstevel@tonic-gate caddr_t page_ctrs_mem; 8847c478bd9Sstevel@tonic-gate size_t page_ctrs_size; 885d7d93655Sblakej size_t pse_table_alloc_size; 8867c478bd9Sstevel@tonic-gate struct memlist *current; 8877c478bd9Sstevel@tonic-gate extern void startup_build_mem_nodes(struct memlist *); 8887c478bd9Sstevel@tonic-gate 8897c478bd9Sstevel@tonic-gate /* XX64 fix these - they should be in include files */ 8907c478bd9Sstevel@tonic-gate extern size_t page_coloring_init(uint_t, int, int); 8917c478bd9Sstevel@tonic-gate extern void page_coloring_setup(caddr_t); 8927c478bd9Sstevel@tonic-gate 8937c478bd9Sstevel@tonic-gate PRM_POINT("startup_memlist() starting..."); 8947c478bd9Sstevel@tonic-gate 8957c478bd9Sstevel@tonic-gate /* 8967c478bd9Sstevel@tonic-gate * Use leftover large page nucleus text/data space for loadable modules. 8977c478bd9Sstevel@tonic-gate * Use at most MODTEXT/MODDATA. 8987c478bd9Sstevel@tonic-gate */ 899ae115bc7Smrj len = kbm_nucleus_size; 900ae115bc7Smrj ASSERT(len > MMU_PAGESIZE); 9017c478bd9Sstevel@tonic-gate 902ae115bc7Smrj moddata = (caddr_t)ROUND_UP_PAGE(e_data); 903ae115bc7Smrj e_moddata = (caddr_t)P2ROUNDUP((uintptr_t)e_data, (uintptr_t)len); 904ae115bc7Smrj if (e_moddata - moddata > MODDATA) 905ae115bc7Smrj e_moddata = moddata + MODDATA; 9067c478bd9Sstevel@tonic-gate 907ae115bc7Smrj modtext = (caddr_t)ROUND_UP_PAGE(e_text); 908ae115bc7Smrj e_modtext = (caddr_t)P2ROUNDUP((uintptr_t)e_text, (uintptr_t)len); 909ae115bc7Smrj if (e_modtext - modtext > MODTEXT) 910ae115bc7Smrj e_modtext = modtext + MODTEXT; 9117c478bd9Sstevel@tonic-gate 9127c478bd9Sstevel@tonic-gate econtig = e_moddata; 9137c478bd9Sstevel@tonic-gate 9147c478bd9Sstevel@tonic-gate PRM_DEBUG(modtext); 9157c478bd9Sstevel@tonic-gate PRM_DEBUG(e_modtext); 9167c478bd9Sstevel@tonic-gate PRM_DEBUG(moddata); 9177c478bd9Sstevel@tonic-gate PRM_DEBUG(e_moddata); 9187c478bd9Sstevel@tonic-gate PRM_DEBUG(econtig); 9197c478bd9Sstevel@tonic-gate 9207c478bd9Sstevel@tonic-gate /* 921ae115bc7Smrj * Examine the boot loader physical memory map to find out: 9227c478bd9Sstevel@tonic-gate * - total memory in system - physinstalled 9237c478bd9Sstevel@tonic-gate * - the max physical address - physmax 924ae115bc7Smrj * - the number of discontiguous segments of memory. 9257c478bd9Sstevel@tonic-gate */ 9267c478bd9Sstevel@tonic-gate if (prom_debug) 927ae115bc7Smrj print_memlist("boot physinstalled", 9287c478bd9Sstevel@tonic-gate bootops->boot_mem->physinstalled); 9297c478bd9Sstevel@tonic-gate installed_top_size(bootops->boot_mem->physinstalled, &physmax, 9307c478bd9Sstevel@tonic-gate &physinstalled, &memblocks); 9317c478bd9Sstevel@tonic-gate PRM_DEBUG(physmax); 9327c478bd9Sstevel@tonic-gate PRM_DEBUG(physinstalled); 9337c478bd9Sstevel@tonic-gate PRM_DEBUG(memblocks); 9347c478bd9Sstevel@tonic-gate 9357c478bd9Sstevel@tonic-gate /* 9367c478bd9Sstevel@tonic-gate * Initialize hat's mmu parameters. 9377c478bd9Sstevel@tonic-gate * Check for enforce-prot-exec in boot environment. It's used to 9387c478bd9Sstevel@tonic-gate * enable/disable support for the page table entry NX bit. 9397c478bd9Sstevel@tonic-gate * The default is to enforce PROT_EXEC on processors that support NX. 9407c478bd9Sstevel@tonic-gate * Boot seems to round up the "len", but 8 seems to be big enough. 9417c478bd9Sstevel@tonic-gate */ 9427c478bd9Sstevel@tonic-gate mmu_init(); 9437c478bd9Sstevel@tonic-gate 9447c478bd9Sstevel@tonic-gate #ifdef __i386 9457c478bd9Sstevel@tonic-gate /* 9467c478bd9Sstevel@tonic-gate * physmax is lowered if there is more memory than can be 9477c478bd9Sstevel@tonic-gate * physically addressed in 32 bit (PAE/non-PAE) modes. 9487c478bd9Sstevel@tonic-gate */ 9497c478bd9Sstevel@tonic-gate if (mmu.pae_hat) { 9507c478bd9Sstevel@tonic-gate if (PFN_ABOVE64G(physmax)) { 9517c478bd9Sstevel@tonic-gate physinstalled -= (physmax - (PFN_64G - 1)); 9527c478bd9Sstevel@tonic-gate physmax = PFN_64G - 1; 9537c478bd9Sstevel@tonic-gate } 9547c478bd9Sstevel@tonic-gate } else { 9557c478bd9Sstevel@tonic-gate if (PFN_ABOVE4G(physmax)) { 9567c478bd9Sstevel@tonic-gate physinstalled -= (physmax - (PFN_4G - 1)); 9577c478bd9Sstevel@tonic-gate physmax = PFN_4G - 1; 9587c478bd9Sstevel@tonic-gate } 9597c478bd9Sstevel@tonic-gate } 9607c478bd9Sstevel@tonic-gate #endif 9617c478bd9Sstevel@tonic-gate 9627c478bd9Sstevel@tonic-gate startup_build_mem_nodes(bootops->boot_mem->physinstalled); 9637c478bd9Sstevel@tonic-gate 9647c478bd9Sstevel@tonic-gate if (BOP_GETPROPLEN(bootops, "enforce-prot-exec") >= 0) { 9657c478bd9Sstevel@tonic-gate int len = BOP_GETPROPLEN(bootops, "enforce-prot-exec"); 9667c478bd9Sstevel@tonic-gate char value[8]; 9677c478bd9Sstevel@tonic-gate 9687c478bd9Sstevel@tonic-gate if (len < 8) 9697c478bd9Sstevel@tonic-gate (void) BOP_GETPROP(bootops, "enforce-prot-exec", value); 9707c478bd9Sstevel@tonic-gate else 9717c478bd9Sstevel@tonic-gate (void) strcpy(value, ""); 9727c478bd9Sstevel@tonic-gate if (strcmp(value, "off") == 0) 9737c478bd9Sstevel@tonic-gate mmu.pt_nx = 0; 9747c478bd9Sstevel@tonic-gate } 9757c478bd9Sstevel@tonic-gate PRM_DEBUG(mmu.pt_nx); 9767c478bd9Sstevel@tonic-gate 9777c478bd9Sstevel@tonic-gate /* 9787c478bd9Sstevel@tonic-gate * We will need page_t's for every page in the system, except for 9797c478bd9Sstevel@tonic-gate * memory mapped at or above above the start of the kernel text segment. 9807c478bd9Sstevel@tonic-gate * 9817c478bd9Sstevel@tonic-gate * pages above e_modtext are attributed to kernel debugger (obp_pages) 9827c478bd9Sstevel@tonic-gate */ 9837c478bd9Sstevel@tonic-gate npages = physinstalled - 1; /* avail_filter() skips page 0, so "- 1" */ 9847c478bd9Sstevel@tonic-gate obp_pages = 0; 9857c478bd9Sstevel@tonic-gate va = KERNEL_TEXT; 986ae115bc7Smrj while (kbm_probe(&va, &len, &pfn, &prot) != 0) { 9877c478bd9Sstevel@tonic-gate npages -= len >> MMU_PAGESHIFT; 9887c478bd9Sstevel@tonic-gate if (va >= (uintptr_t)e_moddata) 9897c478bd9Sstevel@tonic-gate obp_pages += len >> MMU_PAGESHIFT; 9907c478bd9Sstevel@tonic-gate va += len; 9917c478bd9Sstevel@tonic-gate } 9927c478bd9Sstevel@tonic-gate PRM_DEBUG(npages); 9937c478bd9Sstevel@tonic-gate PRM_DEBUG(obp_pages); 9947c478bd9Sstevel@tonic-gate 9957c478bd9Sstevel@tonic-gate /* 99635b1ab99Sjosephb * If physmem is patched to be non-zero, use it instead of the computed 99735b1ab99Sjosephb * value unless it is larger than the actual amount of memory on hand. 9987c478bd9Sstevel@tonic-gate */ 9994944b02eSkchow if (physmem == 0 || physmem > npages) { 10007c478bd9Sstevel@tonic-gate physmem = npages; 10014944b02eSkchow } else if (physmem < npages) { 1002f53ad214Skchow orig_npages = npages; 10037c478bd9Sstevel@tonic-gate npages = physmem; 10044944b02eSkchow } 10057c478bd9Sstevel@tonic-gate PRM_DEBUG(physmem); 10067c478bd9Sstevel@tonic-gate 10077c478bd9Sstevel@tonic-gate /* 10087c478bd9Sstevel@tonic-gate * We now compute the sizes of all the initial allocations for 10097c478bd9Sstevel@tonic-gate * structures the kernel needs in order do kmem_alloc(). These 10107c478bd9Sstevel@tonic-gate * include: 10117c478bd9Sstevel@tonic-gate * memsegs 10127c478bd9Sstevel@tonic-gate * memlists 10137c478bd9Sstevel@tonic-gate * page hash table 10147c478bd9Sstevel@tonic-gate * page_t's 10157c478bd9Sstevel@tonic-gate * page coloring data structs 10167c478bd9Sstevel@tonic-gate */ 10177c478bd9Sstevel@tonic-gate memseg_sz = sizeof (struct memseg) * (memblocks + POSS_NEW_FRAGMENTS); 10187c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(memseg_base, memseg_sz); 10197c478bd9Sstevel@tonic-gate PRM_DEBUG(memseg_sz); 10207c478bd9Sstevel@tonic-gate 10217c478bd9Sstevel@tonic-gate /* 1022ae115bc7Smrj * Reserve space for memlists. There's no real good way to know exactly 1023ae115bc7Smrj * how much room we'll need, but this should be a good upper bound. 10247c478bd9Sstevel@tonic-gate */ 10257c478bd9Sstevel@tonic-gate memlist_sz = ROUND_UP_PAGE(2 * sizeof (struct memlist) * 10267c478bd9Sstevel@tonic-gate (memblocks + POSS_NEW_FRAGMENTS)); 10277c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(memlist, memlist_sz); 10287c478bd9Sstevel@tonic-gate PRM_DEBUG(memlist_sz); 10297c478bd9Sstevel@tonic-gate 10307c478bd9Sstevel@tonic-gate /* 10317c478bd9Sstevel@tonic-gate * The page structure hash table size is a power of 2 10327c478bd9Sstevel@tonic-gate * such that the average hash chain length is PAGE_HASHAVELEN. 10337c478bd9Sstevel@tonic-gate */ 10347c478bd9Sstevel@tonic-gate page_hashsz = npages / PAGE_HASHAVELEN; 10357c478bd9Sstevel@tonic-gate page_hashsz = 1 << highbit(page_hashsz); 10367c478bd9Sstevel@tonic-gate pagehash_sz = sizeof (struct page *) * page_hashsz; 10377c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(page_hash, pagehash_sz); 10387c478bd9Sstevel@tonic-gate PRM_DEBUG(pagehash_sz); 10397c478bd9Sstevel@tonic-gate 10407c478bd9Sstevel@tonic-gate /* 1041ae115bc7Smrj * Set aside room for the page structures themselves. 10427c478bd9Sstevel@tonic-gate */ 1043ae115bc7Smrj PRM_DEBUG(npages); 1044ae115bc7Smrj pp_sz = sizeof (struct page) * npages; 10457c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(pp_base, pp_sz); 10467c478bd9Sstevel@tonic-gate PRM_DEBUG(pp_sz); 10477c478bd9Sstevel@tonic-gate 10487c478bd9Sstevel@tonic-gate /* 10497c478bd9Sstevel@tonic-gate * determine l2 cache info and memory size for page coloring 10507c478bd9Sstevel@tonic-gate */ 10517c478bd9Sstevel@tonic-gate (void) getl2cacheinfo(CPU, 10527c478bd9Sstevel@tonic-gate &l2cache_sz, &l2cache_linesz, &l2cache_assoc); 10537c478bd9Sstevel@tonic-gate pagecolor_memsz = 10547c478bd9Sstevel@tonic-gate page_coloring_init(l2cache_sz, l2cache_linesz, l2cache_assoc); 10557c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(pagecolor_mem, pagecolor_memsz); 10567c478bd9Sstevel@tonic-gate PRM_DEBUG(pagecolor_memsz); 10577c478bd9Sstevel@tonic-gate 10587c478bd9Sstevel@tonic-gate page_ctrs_size = page_ctrs_sz(); 10597c478bd9Sstevel@tonic-gate ADD_TO_ALLOCATIONS(page_ctrs_mem, page_ctrs_size); 10607c478bd9Sstevel@tonic-gate PRM_DEBUG(page_ctrs_size); 10617c478bd9Sstevel@tonic-gate 1062d7d93655Sblakej /* 1063d7d93655Sblakej * Allocate the array that protects pp->p_selock. 1064d7d93655Sblakej */ 1065d7d93655Sblakej pse_shift = size_pse_array(physmem, max_ncpus); 1066d7d93655Sblakej pse_table_size = 1 << pse_shift; 1067d7d93655Sblakej pse_table_alloc_size = pse_table_size * sizeof (pad_mutex_t); 1068d7d93655Sblakej ADD_TO_ALLOCATIONS(pse_mutex, pse_table_alloc_size); 1069d7d93655Sblakej 1070ae115bc7Smrj #if defined(__amd64) 10717c478bd9Sstevel@tonic-gate valloc_sz = ROUND_UP_LPAGE(valloc_sz); 1072ae115bc7Smrj valloc_base = VALLOC_BASE; 107335b1ab99Sjosephb 107435b1ab99Sjosephb /* 107535b1ab99Sjosephb * The default values of VALLOC_BASE and SEGKPM_BASE should work 107635b1ab99Sjosephb * for values of physmax up to 1 Terabyte. They need adjusting when 107735b1ab99Sjosephb * memory is at addresses above 1 TB. 107835b1ab99Sjosephb */ 107935b1ab99Sjosephb if (physmax + 1 > mmu_btop(TERABYTE)) { 108035b1ab99Sjosephb uint64_t kpm_resv_amount = mmu_ptob(physmax + 1); 108135b1ab99Sjosephb 108235b1ab99Sjosephb /* Round to largest possible pagesize for now */ 108335b1ab99Sjosephb kpm_resv_amount = P2ROUNDUP(kpm_resv_amount, ONE_GIG); 108435b1ab99Sjosephb 108535b1ab99Sjosephb segkpm_base = -(2 * kpm_resv_amount); /* down from top VA */ 108635b1ab99Sjosephb 108735b1ab99Sjosephb /* make sure we leave some space for user apps above hole */ 108835b1ab99Sjosephb segkpm_base = MAX(segkpm_base, AMD64_VA_HOLE_END + TERABYTE); 108935b1ab99Sjosephb if (segkpm_base > SEGKPM_BASE) 109035b1ab99Sjosephb segkpm_base = SEGKPM_BASE; 109135b1ab99Sjosephb PRM_DEBUG(segkpm_base); 109235b1ab99Sjosephb 109335b1ab99Sjosephb valloc_base = segkpm_base + kpm_resv_amount; 109435b1ab99Sjosephb PRM_DEBUG(valloc_base); 109535b1ab99Sjosephb } 1096ae115bc7Smrj #else /* __i386 */ 1097ae115bc7Smrj valloc_base = (uintptr_t)(MISC_VA_BASE - valloc_sz); 1098ae115bc7Smrj valloc_base = P2ALIGN(valloc_base, mmu.level_size[1]); 10997c478bd9Sstevel@tonic-gate PRM_DEBUG(valloc_base); 110035b1ab99Sjosephb #endif /* __i386 */ 1101ae115bc7Smrj 1102ae115bc7Smrj /* 1103ae115bc7Smrj * do all the initial allocations 1104ae115bc7Smrj */ 1105ae115bc7Smrj perform_allocations(); 1106ae115bc7Smrj 1107ae115bc7Smrj /* 1108ae115bc7Smrj * Build phys_install and phys_avail in kernel memspace. 1109ae115bc7Smrj * - phys_install should be all memory in the system. 1110ae115bc7Smrj * - phys_avail is phys_install minus any memory mapped before this 1111ae115bc7Smrj * point above KERNEL_TEXT. 1112ae115bc7Smrj */ 1113ae115bc7Smrj current = phys_install = memlist; 1114ae115bc7Smrj copy_memlist_filter(bootops->boot_mem->physinstalled, ¤t, NULL); 1115ae115bc7Smrj if ((caddr_t)current > (caddr_t)memlist + memlist_sz) 1116ae115bc7Smrj panic("physinstalled was too big!"); 1117ae115bc7Smrj if (prom_debug) 1118ae115bc7Smrj print_memlist("phys_install", phys_install); 1119ae115bc7Smrj 1120ae115bc7Smrj phys_avail = current; 1121ae115bc7Smrj PRM_POINT("Building phys_avail:\n"); 1122ae115bc7Smrj copy_memlist_filter(bootops->boot_mem->physinstalled, ¤t, 1123ae115bc7Smrj avail_filter); 1124ae115bc7Smrj if ((caddr_t)current > (caddr_t)memlist + memlist_sz) 1125ae115bc7Smrj panic("physavail was too big!"); 1126ae115bc7Smrj if (prom_debug) 1127ae115bc7Smrj print_memlist("phys_avail", phys_avail); 1128ae115bc7Smrj 1129ae115bc7Smrj /* 1130ae115bc7Smrj * setup page coloring 1131ae115bc7Smrj */ 1132ae115bc7Smrj page_coloring_setup(pagecolor_mem); 1133ae115bc7Smrj page_lock_init(); /* currently a no-op */ 1134ae115bc7Smrj 1135ae115bc7Smrj /* 1136ae115bc7Smrj * free page list counters 1137ae115bc7Smrj */ 1138ae115bc7Smrj (void) page_ctrs_alloc(page_ctrs_mem); 1139ae115bc7Smrj 1140ae115bc7Smrj /* 1141ae115bc7Smrj * Initialize the page structures from the memory lists. 1142ae115bc7Smrj */ 1143ae115bc7Smrj availrmem_initial = availrmem = freemem = 0; 1144ae115bc7Smrj PRM_POINT("Calling kphysm_init()..."); 1145ae115bc7Smrj npages = kphysm_init(pp_base, npages); 1146ae115bc7Smrj PRM_POINT("kphysm_init() done"); 1147ae115bc7Smrj PRM_DEBUG(npages); 1148ae115bc7Smrj 1149ae115bc7Smrj init_debug_info(); 1150ae115bc7Smrj 1151ae115bc7Smrj /* 1152ae115bc7Smrj * Now that page_t's have been initialized, remove all the 1153ae115bc7Smrj * initial allocation pages from the kernel free page lists. 1154ae115bc7Smrj */ 1155ae115bc7Smrj boot_mapin((caddr_t)valloc_base, valloc_sz); 1156ae115bc7Smrj boot_mapin((caddr_t)GDT_VA, MMU_PAGESIZE); 1157ae115bc7Smrj boot_mapin((caddr_t)DEBUG_INFO_VA, MMU_PAGESIZE); 1158ae115bc7Smrj PRM_POINT("startup_memlist() done"); 1159ae115bc7Smrj 1160ae115bc7Smrj PRM_DEBUG(valloc_sz); 11612cb27123Saguzovsk 1162567d55e1Saguzovsk #if defined(__amd64) 1163567d55e1Saguzovsk if ((availrmem >> (30 - MMU_PAGESHIFT)) >= 1164567d55e1Saguzovsk textrepl_min_gb && l2cache_sz <= 2 << 20) { 1165567d55e1Saguzovsk extern size_t textrepl_size_thresh; 11662cb27123Saguzovsk textrepl_size_thresh = (16 << 20) - 1; 11672cb27123Saguzovsk } 1168567d55e1Saguzovsk #endif 1169ae115bc7Smrj } 1170ae115bc7Smrj 1171ae115bc7Smrj /* 1172ae115bc7Smrj * Layout the kernel's part of address space and initialize kmem allocator. 1173ae115bc7Smrj */ 1174ae115bc7Smrj static void 1175ae115bc7Smrj startup_kmem(void) 1176ae115bc7Smrj { 1177932dc8e5Sdp extern void page_set_colorequiv_arr(void); 1178932dc8e5Sdp 1179ae115bc7Smrj PRM_POINT("startup_kmem() starting..."); 11807c478bd9Sstevel@tonic-gate 11817c478bd9Sstevel@tonic-gate #if defined(__amd64) 11827c478bd9Sstevel@tonic-gate if (eprom_kernelbase && eprom_kernelbase != KERNELBASE) 11837c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!kernelbase cannot be changed on 64-bit " 11847c478bd9Sstevel@tonic-gate "systems."); 118535b1ab99Sjosephb kernelbase = segkpm_base - KERNEL_REDZONE_SIZE; 11867c478bd9Sstevel@tonic-gate core_base = (uintptr_t)COREHEAP_BASE; 1187ae115bc7Smrj core_size = (size_t)MISC_VA_BASE - COREHEAP_BASE; 11887c478bd9Sstevel@tonic-gate #else /* __i386 */ 11897c478bd9Sstevel@tonic-gate /* 11907c478bd9Sstevel@tonic-gate * We configure kernelbase based on: 11917c478bd9Sstevel@tonic-gate * 11927c478bd9Sstevel@tonic-gate * 1. user specified kernelbase via eeprom command. Value cannot exceed 11937c478bd9Sstevel@tonic-gate * KERNELBASE_MAX. we large page align eprom_kernelbase 11947c478bd9Sstevel@tonic-gate * 11957c478bd9Sstevel@tonic-gate * 2. Default to KERNELBASE and adjust to 2X less the size for page_t. 11967c478bd9Sstevel@tonic-gate * On large memory systems we must lower kernelbase to allow 11977c478bd9Sstevel@tonic-gate * enough room for page_t's for all of memory. 11987c478bd9Sstevel@tonic-gate * 11997c478bd9Sstevel@tonic-gate * The value set here, might be changed a little later. 12007c478bd9Sstevel@tonic-gate */ 12017c478bd9Sstevel@tonic-gate if (eprom_kernelbase) { 12027c478bd9Sstevel@tonic-gate kernelbase = eprom_kernelbase & mmu.level_mask[1]; 12037c478bd9Sstevel@tonic-gate if (kernelbase > KERNELBASE_MAX) 12047c478bd9Sstevel@tonic-gate kernelbase = KERNELBASE_MAX; 12057c478bd9Sstevel@tonic-gate } else { 12067c478bd9Sstevel@tonic-gate kernelbase = (uintptr_t)KERNELBASE; 12077c478bd9Sstevel@tonic-gate kernelbase -= ROUND_UP_4MEG(2 * valloc_sz); 12087c478bd9Sstevel@tonic-gate } 12097c478bd9Sstevel@tonic-gate ASSERT((kernelbase & mmu.level_offset[1]) == 0); 1210ae115bc7Smrj core_base = valloc_base; 12117c478bd9Sstevel@tonic-gate core_size = 0; 1212ae115bc7Smrj #endif /* __i386 */ 12137c478bd9Sstevel@tonic-gate 12147c478bd9Sstevel@tonic-gate PRM_DEBUG(core_base); 12157c478bd9Sstevel@tonic-gate PRM_DEBUG(core_size); 1216ae115bc7Smrj PRM_DEBUG(kernelbase); 12177c478bd9Sstevel@tonic-gate 121835b1ab99Sjosephb #if defined(__i386) 12197c478bd9Sstevel@tonic-gate segkp_fromheap = 1; 1220ae115bc7Smrj #endif /* __i386 */ 122135b1ab99Sjosephb 12227c478bd9Sstevel@tonic-gate ekernelheap = (char *)core_base; 1223ae115bc7Smrj PRM_DEBUG(ekernelheap); 12247c478bd9Sstevel@tonic-gate 12257c478bd9Sstevel@tonic-gate /* 12267c478bd9Sstevel@tonic-gate * Now that we know the real value of kernelbase, 12277c478bd9Sstevel@tonic-gate * update variables that were initialized with a value of 12287c478bd9Sstevel@tonic-gate * KERNELBASE (in common/conf/param.c). 12297c478bd9Sstevel@tonic-gate * 12307c478bd9Sstevel@tonic-gate * XXX The problem with this sort of hackery is that the 12317c478bd9Sstevel@tonic-gate * compiler just may feel like putting the const declarations 12327c478bd9Sstevel@tonic-gate * (in param.c) into the .text section. Perhaps they should 12337c478bd9Sstevel@tonic-gate * just be declared as variables there? 12347c478bd9Sstevel@tonic-gate */ 12357c478bd9Sstevel@tonic-gate 12367c478bd9Sstevel@tonic-gate *(uintptr_t *)&_kernelbase = kernelbase; 12377c478bd9Sstevel@tonic-gate *(uintptr_t *)&_userlimit = kernelbase; 1238ccbaea4fSjosephb #if defined(__amd64) 1239ccbaea4fSjosephb *(uintptr_t *)&_userlimit -= KERNELBASE - USERLIMIT; 1240ccbaea4fSjosephb #else 12417c478bd9Sstevel@tonic-gate *(uintptr_t *)&_userlimit32 = _userlimit; 12427c478bd9Sstevel@tonic-gate #endif 12437c478bd9Sstevel@tonic-gate PRM_DEBUG(_kernelbase); 12447c478bd9Sstevel@tonic-gate PRM_DEBUG(_userlimit); 12457c478bd9Sstevel@tonic-gate PRM_DEBUG(_userlimit32); 12467c478bd9Sstevel@tonic-gate 124735b1ab99Sjosephb layout_kernel_va(); 124835b1ab99Sjosephb 124935b1ab99Sjosephb #if defined(__i386) 125035b1ab99Sjosephb /* 125135b1ab99Sjosephb * If segmap is too large we can push the bottom of the kernel heap 125235b1ab99Sjosephb * higher than the base. Or worse, it could exceed the top of the 125335b1ab99Sjosephb * VA space entirely, causing it to wrap around. 125435b1ab99Sjosephb */ 125535b1ab99Sjosephb if (kernelheap >= ekernelheap || (uintptr_t)kernelheap < kernelbase) 125635b1ab99Sjosephb panic("too little address space available for kernelheap," 125735b1ab99Sjosephb " use eeprom for lower kernelbase or smaller segmapsize"); 125835b1ab99Sjosephb #endif /* __i386 */ 125935b1ab99Sjosephb 12607c478bd9Sstevel@tonic-gate /* 12617c478bd9Sstevel@tonic-gate * Initialize the kernel heap. Note 3rd argument must be > 1st. 12627c478bd9Sstevel@tonic-gate */ 126335b1ab99Sjosephb kernelheap_init(kernelheap, ekernelheap, 126435b1ab99Sjosephb kernelheap + MMU_PAGESIZE, 1265ae115bc7Smrj (void *)core_base, (void *)(core_base + core_size)); 12667c478bd9Sstevel@tonic-gate 1267*843e1988Sjohnlev #if defined(__xpv) 1268*843e1988Sjohnlev /* 1269*843e1988Sjohnlev * Link pending events struct into cpu struct 1270*843e1988Sjohnlev */ 1271*843e1988Sjohnlev CPU->cpu_m.mcpu_evt_pend = &cpu0_evt_data; 1272*843e1988Sjohnlev #endif 12737c478bd9Sstevel@tonic-gate /* 12747c478bd9Sstevel@tonic-gate * Initialize kernel memory allocator. 12757c478bd9Sstevel@tonic-gate */ 12767c478bd9Sstevel@tonic-gate kmem_init(); 12777c478bd9Sstevel@tonic-gate 1278932dc8e5Sdp /* 1279932dc8e5Sdp * Factor in colorequiv to check additional 'equivalent' bins 1280932dc8e5Sdp */ 1281932dc8e5Sdp page_set_colorequiv_arr(); 1282932dc8e5Sdp 1283*843e1988Sjohnlev #if defined(__xpv) 1284*843e1988Sjohnlev xen_version(); 1285*843e1988Sjohnlev #endif 1286*843e1988Sjohnlev 12877c478bd9Sstevel@tonic-gate /* 12887c478bd9Sstevel@tonic-gate * print this out early so that we know what's going on 12897c478bd9Sstevel@tonic-gate */ 12907c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?features: %b\n", x86_feature, FMT_X86_FEATURE); 12917c478bd9Sstevel@tonic-gate 12927c478bd9Sstevel@tonic-gate /* 12937c478bd9Sstevel@tonic-gate * Initialize bp_mapin(). 12947c478bd9Sstevel@tonic-gate */ 12957c478bd9Sstevel@tonic-gate bp_init(MMU_PAGESIZE, HAT_STORECACHING_OK); 12967c478bd9Sstevel@tonic-gate 1297f53ad214Skchow /* 1298f53ad214Skchow * orig_npages is non-zero if physmem has been configured for less 1299f53ad214Skchow * than the available memory. 1300f53ad214Skchow */ 1301f53ad214Skchow if (orig_npages) { 130235b1ab99Sjosephb cmn_err(CE_WARN, "!%slimiting physmem to 0x%lx of 0x%lx pages", 130335b1ab99Sjosephb (npages == PHYSMEM ? "Due to virtual address space " : ""), 130435b1ab99Sjosephb npages, orig_npages); 1305f53ad214Skchow } 13067c478bd9Sstevel@tonic-gate #if defined(__i386) 13077c478bd9Sstevel@tonic-gate if (eprom_kernelbase && (eprom_kernelbase != kernelbase)) 13087c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "kernelbase value, User specified 0x%lx, " 13097c478bd9Sstevel@tonic-gate "System using 0x%lx", 13107c478bd9Sstevel@tonic-gate (uintptr_t)eprom_kernelbase, (uintptr_t)kernelbase); 13117c478bd9Sstevel@tonic-gate #endif 13127c478bd9Sstevel@tonic-gate 13137c478bd9Sstevel@tonic-gate #ifdef KERNELBASE_ABI_MIN 13147c478bd9Sstevel@tonic-gate if (kernelbase < (uintptr_t)KERNELBASE_ABI_MIN) { 13157c478bd9Sstevel@tonic-gate cmn_err(CE_NOTE, "!kernelbase set to 0x%lx, system is not " 13167c478bd9Sstevel@tonic-gate "i386 ABI compliant.", (uintptr_t)kernelbase); 13177c478bd9Sstevel@tonic-gate } 13187c478bd9Sstevel@tonic-gate #endif 13197c478bd9Sstevel@tonic-gate 1320*843e1988Sjohnlev #ifdef __xpv 1321*843e1988Sjohnlev /* 1322*843e1988Sjohnlev * Some of the xen start information has to be relocated up 1323*843e1988Sjohnlev * into the kernel's permanent address space. 1324*843e1988Sjohnlev */ 1325*843e1988Sjohnlev PRM_POINT("calling xen_relocate_start_info()"); 1326*843e1988Sjohnlev xen_relocate_start_info(); 1327*843e1988Sjohnlev PRM_POINT("xen_relocate_start_info() done"); 1328*843e1988Sjohnlev 1329*843e1988Sjohnlev /* 1330*843e1988Sjohnlev * (Update the vcpu pointer in our cpu structure to point into 1331*843e1988Sjohnlev * the relocated shared info.) 1332*843e1988Sjohnlev */ 1333*843e1988Sjohnlev CPU->cpu_m.mcpu_vcpu_info = 1334*843e1988Sjohnlev &HYPERVISOR_shared_info->vcpu_info[CPU->cpu_id]; 1335*843e1988Sjohnlev #endif 1336*843e1988Sjohnlev 1337ae115bc7Smrj PRM_POINT("startup_kmem() done"); 13387c478bd9Sstevel@tonic-gate } 13397c478bd9Sstevel@tonic-gate 13407c478bd9Sstevel@tonic-gate static void 13417c478bd9Sstevel@tonic-gate startup_modules(void) 13427c478bd9Sstevel@tonic-gate { 13437c478bd9Sstevel@tonic-gate unsigned int i; 13447c478bd9Sstevel@tonic-gate extern void prom_setup(void); 13457c478bd9Sstevel@tonic-gate 13467c478bd9Sstevel@tonic-gate PRM_POINT("startup_modules() starting..."); 1347*843e1988Sjohnlev 1348*843e1988Sjohnlev #ifndef __xpv 13497c478bd9Sstevel@tonic-gate /* 13507c478bd9Sstevel@tonic-gate * Initialize ten-micro second timer so that drivers will 13517c478bd9Sstevel@tonic-gate * not get short changed in their init phase. This was 13527c478bd9Sstevel@tonic-gate * not getting called until clkinit which, on fast cpu's 13537c478bd9Sstevel@tonic-gate * caused the drv_usecwait to be way too short. 13547c478bd9Sstevel@tonic-gate */ 13557c478bd9Sstevel@tonic-gate microfind(); 1356*843e1988Sjohnlev #endif 13577c478bd9Sstevel@tonic-gate 13587c478bd9Sstevel@tonic-gate /* 13597c478bd9Sstevel@tonic-gate * Read the GMT lag from /etc/rtc_config. 13607c478bd9Sstevel@tonic-gate */ 1361ae115bc7Smrj sgmtl(process_rtc_config_file()); 13627c478bd9Sstevel@tonic-gate 13637c478bd9Sstevel@tonic-gate /* 13647c478bd9Sstevel@tonic-gate * Calculate default settings of system parameters based upon 13657c478bd9Sstevel@tonic-gate * maxusers, yet allow to be overridden via the /etc/system file. 13667c478bd9Sstevel@tonic-gate */ 13677c478bd9Sstevel@tonic-gate param_calc(0); 13687c478bd9Sstevel@tonic-gate 13697c478bd9Sstevel@tonic-gate mod_setup(); 13707c478bd9Sstevel@tonic-gate 13717c478bd9Sstevel@tonic-gate /* 13727c478bd9Sstevel@tonic-gate * Initialize system parameters. 13737c478bd9Sstevel@tonic-gate */ 13747c478bd9Sstevel@tonic-gate param_init(); 13757c478bd9Sstevel@tonic-gate 13769acbbeafSnn /* 13779acbbeafSnn * Initialize the default brands 13789acbbeafSnn */ 13799acbbeafSnn brand_init(); 13809acbbeafSnn 13817c478bd9Sstevel@tonic-gate /* 13827c478bd9Sstevel@tonic-gate * maxmem is the amount of physical memory we're playing with. 13837c478bd9Sstevel@tonic-gate */ 13847c478bd9Sstevel@tonic-gate maxmem = physmem; 13857c478bd9Sstevel@tonic-gate 13867c478bd9Sstevel@tonic-gate /* 13877c478bd9Sstevel@tonic-gate * Initialize segment management stuff. 13887c478bd9Sstevel@tonic-gate */ 13897c478bd9Sstevel@tonic-gate seg_init(); 13907c478bd9Sstevel@tonic-gate 13917c478bd9Sstevel@tonic-gate if (modload("fs", "specfs") == -1) 13927c478bd9Sstevel@tonic-gate halt("Can't load specfs"); 13937c478bd9Sstevel@tonic-gate 13947c478bd9Sstevel@tonic-gate if (modload("fs", "devfs") == -1) 13957c478bd9Sstevel@tonic-gate halt("Can't load devfs"); 13967c478bd9Sstevel@tonic-gate 1397facf4a8dSllai if (modload("fs", "dev") == -1) 1398facf4a8dSllai halt("Can't load dev"); 1399facf4a8dSllai 140045916cd2Sjpk (void) modloadonly("sys", "lbl_edition"); 140145916cd2Sjpk 14027c478bd9Sstevel@tonic-gate dispinit(); 14037c478bd9Sstevel@tonic-gate 14047c478bd9Sstevel@tonic-gate /* 14057c478bd9Sstevel@tonic-gate * This is needed here to initialize hw_serial[] for cluster booting. 14067c478bd9Sstevel@tonic-gate */ 14077c478bd9Sstevel@tonic-gate if ((i = modload("misc", "sysinit")) != (unsigned int)-1) 14087c478bd9Sstevel@tonic-gate (void) modunload(i); 14097c478bd9Sstevel@tonic-gate else 14107c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "sysinit load failed"); 14117c478bd9Sstevel@tonic-gate 14127c478bd9Sstevel@tonic-gate /* Read cluster configuration data. */ 14137c478bd9Sstevel@tonic-gate clconf_init(); 14147c478bd9Sstevel@tonic-gate 1415*843e1988Sjohnlev #if defined(__xpv) 1416*843e1988Sjohnlev ec_init(); 1417*843e1988Sjohnlev gnttab_init(); 1418*843e1988Sjohnlev (void) xs_early_init(); 1419*843e1988Sjohnlev #endif /* __xpv */ 1420*843e1988Sjohnlev 14217c478bd9Sstevel@tonic-gate /* 14227c478bd9Sstevel@tonic-gate * Create a kernel device tree. First, create rootnex and 14237c478bd9Sstevel@tonic-gate * then invoke bus specific code to probe devices. 14247c478bd9Sstevel@tonic-gate */ 14257c478bd9Sstevel@tonic-gate setup_ddi(); 14267aec1d6eScindi 14277aec1d6eScindi /* 14287aec1d6eScindi * Set up the CPU module subsystem. Modifies the device tree, so it 14297aec1d6eScindi * must be done after setup_ddi(). 14307aec1d6eScindi */ 14317aec1d6eScindi cmi_init(); 14327aec1d6eScindi 14337aec1d6eScindi /* 14347aec1d6eScindi * Initialize the MCA handlers 14357aec1d6eScindi */ 14367aec1d6eScindi if (x86_feature & X86_MCA) 14377aec1d6eScindi cmi_mca_init(); 14387aec1d6eScindi 14397c478bd9Sstevel@tonic-gate /* 14407c478bd9Sstevel@tonic-gate * Fake a prom tree such that /dev/openprom continues to work 14417c478bd9Sstevel@tonic-gate */ 1442ae115bc7Smrj PRM_POINT("startup_modules: calling prom_setup..."); 14437c478bd9Sstevel@tonic-gate prom_setup(); 1444ae115bc7Smrj PRM_POINT("startup_modules: done"); 14457c478bd9Sstevel@tonic-gate 14467c478bd9Sstevel@tonic-gate /* 14477c478bd9Sstevel@tonic-gate * Load all platform specific modules 14487c478bd9Sstevel@tonic-gate */ 1449ae115bc7Smrj PRM_POINT("startup_modules: calling psm_modload..."); 14507c478bd9Sstevel@tonic-gate psm_modload(); 14517c478bd9Sstevel@tonic-gate 14527c478bd9Sstevel@tonic-gate PRM_POINT("startup_modules() done"); 14537c478bd9Sstevel@tonic-gate } 14547c478bd9Sstevel@tonic-gate 1455ae115bc7Smrj /* 1456ae115bc7Smrj * claim a "setaside" boot page for use in the kernel 1457ae115bc7Smrj */ 1458ae115bc7Smrj page_t * 1459ae115bc7Smrj boot_claim_page(pfn_t pfn) 14607c478bd9Sstevel@tonic-gate { 1461ae115bc7Smrj page_t *pp; 14627c478bd9Sstevel@tonic-gate 1463ae115bc7Smrj pp = page_numtopp_nolock(pfn); 1464ae115bc7Smrj ASSERT(pp != NULL); 14657c478bd9Sstevel@tonic-gate 1466ae115bc7Smrj if (PP_ISBOOTPAGES(pp)) { 1467ae115bc7Smrj if (pp->p_next != NULL) 1468ae115bc7Smrj pp->p_next->p_prev = pp->p_prev; 1469ae115bc7Smrj if (pp->p_prev == NULL) 1470ae115bc7Smrj bootpages = pp->p_next; 1471ae115bc7Smrj else 1472ae115bc7Smrj pp->p_prev->p_next = pp->p_next; 1473ae115bc7Smrj } else { 1474ae115bc7Smrj /* 1475ae115bc7Smrj * htable_attach() expects a base pagesize page 1476ae115bc7Smrj */ 1477ae115bc7Smrj if (pp->p_szc != 0) 1478ae115bc7Smrj page_boot_demote(pp); 1479ae115bc7Smrj pp = page_numtopp(pfn, SE_EXCL); 1480ae115bc7Smrj } 1481ae115bc7Smrj return (pp); 14827c478bd9Sstevel@tonic-gate } 14837c478bd9Sstevel@tonic-gate 14847c478bd9Sstevel@tonic-gate /* 14857c478bd9Sstevel@tonic-gate * Walk through the pagetables looking for pages mapped in by boot. If the 14867c478bd9Sstevel@tonic-gate * setaside flag is set the pages are expected to be returned to the 14877c478bd9Sstevel@tonic-gate * kernel later in boot, so we add them to the bootpages list. 14887c478bd9Sstevel@tonic-gate */ 14897c478bd9Sstevel@tonic-gate static void 14907c478bd9Sstevel@tonic-gate protect_boot_range(uintptr_t low, uintptr_t high, int setaside) 14917c478bd9Sstevel@tonic-gate { 14927c478bd9Sstevel@tonic-gate uintptr_t va = low; 14937c478bd9Sstevel@tonic-gate size_t len; 14947c478bd9Sstevel@tonic-gate uint_t prot; 14957c478bd9Sstevel@tonic-gate pfn_t pfn; 14967c478bd9Sstevel@tonic-gate page_t *pp; 14977c478bd9Sstevel@tonic-gate pgcnt_t boot_protect_cnt = 0; 14987c478bd9Sstevel@tonic-gate 1499ae115bc7Smrj while (kbm_probe(&va, &len, &pfn, &prot) != 0 && va < high) { 15007c478bd9Sstevel@tonic-gate if (va + len >= high) 15017c478bd9Sstevel@tonic-gate panic("0x%lx byte mapping at 0x%p exceeds boot's " 15027c478bd9Sstevel@tonic-gate "legal range.", len, (void *)va); 15037c478bd9Sstevel@tonic-gate 15047c478bd9Sstevel@tonic-gate while (len > 0) { 15057c478bd9Sstevel@tonic-gate pp = page_numtopp_alloc(pfn); 15067c478bd9Sstevel@tonic-gate if (pp != NULL) { 15077c478bd9Sstevel@tonic-gate if (setaside == 0) 15087c478bd9Sstevel@tonic-gate panic("Unexpected mapping by boot. " 15097c478bd9Sstevel@tonic-gate "addr=%p pfn=%lx\n", 15107c478bd9Sstevel@tonic-gate (void *)va, pfn); 15117c478bd9Sstevel@tonic-gate 15127c478bd9Sstevel@tonic-gate pp->p_next = bootpages; 1513ae115bc7Smrj pp->p_prev = NULL; 1514ae115bc7Smrj PP_SETBOOTPAGES(pp); 1515ae115bc7Smrj if (bootpages != NULL) { 1516ae115bc7Smrj bootpages->p_prev = pp; 1517ae115bc7Smrj } 15187c478bd9Sstevel@tonic-gate bootpages = pp; 15197c478bd9Sstevel@tonic-gate ++boot_protect_cnt; 15207c478bd9Sstevel@tonic-gate } 15217c478bd9Sstevel@tonic-gate 15227c478bd9Sstevel@tonic-gate ++pfn; 15237c478bd9Sstevel@tonic-gate len -= MMU_PAGESIZE; 15247c478bd9Sstevel@tonic-gate va += MMU_PAGESIZE; 15257c478bd9Sstevel@tonic-gate } 15267c478bd9Sstevel@tonic-gate } 15277c478bd9Sstevel@tonic-gate PRM_DEBUG(boot_protect_cnt); 15287c478bd9Sstevel@tonic-gate } 15297c478bd9Sstevel@tonic-gate 1530ae115bc7Smrj /* 153135b1ab99Sjosephb * 1532ae115bc7Smrj */ 15337c478bd9Sstevel@tonic-gate static void 153435b1ab99Sjosephb layout_kernel_va(void) 15357c478bd9Sstevel@tonic-gate { 153635b1ab99Sjosephb PRM_POINT("layout_kernel_va() starting..."); 15377c478bd9Sstevel@tonic-gate /* 1538ae115bc7Smrj * Establish the final size of the kernel's heap, size of segmap, 1539ae115bc7Smrj * segkp, etc. 15407c478bd9Sstevel@tonic-gate */ 15417c478bd9Sstevel@tonic-gate 15427c478bd9Sstevel@tonic-gate #if defined(__amd64) 15437c478bd9Sstevel@tonic-gate 154435b1ab99Sjosephb kpm_vbase = (caddr_t)segkpm_base; 154535b1ab99Sjosephb kpm_size = ROUND_UP_LPAGE(mmu_ptob(physmax + 1)); 154635b1ab99Sjosephb if ((uintptr_t)kpm_vbase + kpm_size > (uintptr_t)valloc_base) 154735b1ab99Sjosephb panic("not enough room for kpm!"); 1548ae115bc7Smrj PRM_DEBUG(kpm_size); 1549ae115bc7Smrj PRM_DEBUG(kpm_vbase); 15507c478bd9Sstevel@tonic-gate 15517c478bd9Sstevel@tonic-gate /* 1552ae115bc7Smrj * By default we create a seg_kp in 64 bit kernels, it's a little 1553ae115bc7Smrj * faster to access than embedding it in the heap. 15547c478bd9Sstevel@tonic-gate */ 1555ae115bc7Smrj segkp_base = (caddr_t)valloc_base + valloc_sz; 15567c478bd9Sstevel@tonic-gate if (!segkp_fromheap) { 15577c478bd9Sstevel@tonic-gate size_t sz = mmu_ptob(segkpsize); 15587c478bd9Sstevel@tonic-gate 15597c478bd9Sstevel@tonic-gate /* 1560ae115bc7Smrj * determine size of segkp 15617c478bd9Sstevel@tonic-gate */ 15627c478bd9Sstevel@tonic-gate if (sz < SEGKPMINSIZE || sz > SEGKPMAXSIZE) { 15637c478bd9Sstevel@tonic-gate sz = SEGKPDEFSIZE; 15647c478bd9Sstevel@tonic-gate cmn_err(CE_WARN, "!Illegal value for segkpsize. " 15657c478bd9Sstevel@tonic-gate "segkpsize has been reset to %ld pages", 15667c478bd9Sstevel@tonic-gate mmu_btop(sz)); 15677c478bd9Sstevel@tonic-gate } 15687c478bd9Sstevel@tonic-gate sz = MIN(sz, MAX(SEGKPMINSIZE, mmu_ptob(physmem))); 15697c478bd9Sstevel@tonic-gate 15707c478bd9Sstevel@tonic-gate segkpsize = mmu_btop(ROUND_UP_LPAGE(sz)); 15717c478bd9Sstevel@tonic-gate } 1572ae115bc7Smrj PRM_DEBUG(segkp_base); 1573ae115bc7Smrj PRM_DEBUG(segkpsize); 15747c478bd9Sstevel@tonic-gate 157535b1ab99Sjosephb /* 157635b1ab99Sjosephb * segzio is used for ZFS cached data. It uses a distinct VA 157735b1ab99Sjosephb * segment (from kernel heap) so that we can easily tell not to 157835b1ab99Sjosephb * include it in kernel crash dumps on 64 bit kernels. The trick is 157935b1ab99Sjosephb * to give it lots of VA, but not constrain the kernel heap. 158035b1ab99Sjosephb * We scale the size of segzio linearly with physmem up to 158135b1ab99Sjosephb * SEGZIOMAXSIZE. Above that amount it scales at 50% of physmem. 158235b1ab99Sjosephb */ 1583ae115bc7Smrj segzio_base = segkp_base + mmu_ptob(segkpsize); 1584ae115bc7Smrj if (segzio_fromheap) { 1585ae115bc7Smrj segziosize = 0; 1586ae115bc7Smrj } else { 158735b1ab99Sjosephb size_t physmem_size = mmu_ptob(physmem); 158835b1ab99Sjosephb size_t size = (segziosize == 0) ? 158935b1ab99Sjosephb physmem_size : mmu_ptob(segziosize); 1590ad23a2dbSjohansen 159135b1ab99Sjosephb if (size < SEGZIOMINSIZE) 1592ad23a2dbSjohansen size = SEGZIOMINSIZE; 159335b1ab99Sjosephb if (size > SEGZIOMAXSIZE) { 1594a778305aSjohansen size = SEGZIOMAXSIZE; 159535b1ab99Sjosephb if (physmem_size > size) 159635b1ab99Sjosephb size += (physmem_size - size) / 2; 1597ad23a2dbSjohansen } 1598ad23a2dbSjohansen segziosize = mmu_btop(ROUND_UP_LPAGE(size)); 1599ad23a2dbSjohansen } 1600ae115bc7Smrj PRM_DEBUG(segziosize); 1601ae115bc7Smrj PRM_DEBUG(segzio_base); 1602ad23a2dbSjohansen 16037c478bd9Sstevel@tonic-gate /* 1604ae115bc7Smrj * Put the range of VA for device mappings next, kmdb knows to not 1605ae115bc7Smrj * grep in this range of addresses. 16067c478bd9Sstevel@tonic-gate */ 1607ae115bc7Smrj toxic_addr = 1608ae115bc7Smrj ROUND_UP_LPAGE((uintptr_t)segzio_base + mmu_ptob(segziosize)); 16097c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_addr); 1610ae115bc7Smrj segmap_start = ROUND_UP_LPAGE(toxic_addr + toxic_size); 1611ae115bc7Smrj #else /* __i386 */ 1612ae115bc7Smrj segmap_start = ROUND_UP_LPAGE(kernelbase); 1613ae115bc7Smrj #endif /* __i386 */ 1614ae115bc7Smrj PRM_DEBUG(segmap_start); 16157c478bd9Sstevel@tonic-gate 16167c478bd9Sstevel@tonic-gate /* 16177c478bd9Sstevel@tonic-gate * Users can change segmapsize through eeprom or /etc/system. 16187c478bd9Sstevel@tonic-gate * If the variable is tuned through eeprom, there is no upper 16197c478bd9Sstevel@tonic-gate * bound on the size of segmap. If it is tuned through 16207c478bd9Sstevel@tonic-gate * /etc/system on 32-bit systems, it must be no larger than we 16217c478bd9Sstevel@tonic-gate * planned for in startup_memlist(). 16227c478bd9Sstevel@tonic-gate */ 16237c478bd9Sstevel@tonic-gate segmapsize = MAX(ROUND_UP_LPAGE(segmapsize), SEGMAPDEFAULT); 16247c478bd9Sstevel@tonic-gate 16257c478bd9Sstevel@tonic-gate #if defined(__i386) 16267c478bd9Sstevel@tonic-gate /* 16277c478bd9Sstevel@tonic-gate * 32-bit systems don't have segkpm or segkp, so segmap appears at 16287c478bd9Sstevel@tonic-gate * the bottom of the kernel's address range. Set aside space for a 1629ae115bc7Smrj * small red zone just below the start of segmap. 16307c478bd9Sstevel@tonic-gate */ 1631ae115bc7Smrj segmap_start += KERNEL_REDZONE_SIZE; 16327c478bd9Sstevel@tonic-gate segmapsize -= KERNEL_REDZONE_SIZE; 16337c478bd9Sstevel@tonic-gate #endif 16347c478bd9Sstevel@tonic-gate 1635ae115bc7Smrj PRM_DEBUG(segmap_start); 16367c478bd9Sstevel@tonic-gate PRM_DEBUG(segmapsize); 163735b1ab99Sjosephb kernelheap = (caddr_t)ROUND_UP_LPAGE(segmap_start + segmapsize); 163835b1ab99Sjosephb PRM_DEBUG(kernelheap); 163935b1ab99Sjosephb PRM_POINT("layout_kernel_va() done..."); 164035b1ab99Sjosephb } 164135b1ab99Sjosephb 164235b1ab99Sjosephb /* 164335b1ab99Sjosephb * Finish initializing the VM system, now that we are no longer 164435b1ab99Sjosephb * relying on the boot time memory allocators. 164535b1ab99Sjosephb */ 164635b1ab99Sjosephb static void 164735b1ab99Sjosephb startup_vm(void) 164835b1ab99Sjosephb { 164935b1ab99Sjosephb struct segmap_crargs a; 165035b1ab99Sjosephb 165135b1ab99Sjosephb extern int use_brk_lpg, use_stk_lpg; 165235b1ab99Sjosephb 165335b1ab99Sjosephb PRM_POINT("startup_vm() starting..."); 165435b1ab99Sjosephb 165535b1ab99Sjosephb /* 165635b1ab99Sjosephb * Initialize the hat layer. 165735b1ab99Sjosephb */ 165835b1ab99Sjosephb hat_init(); 16597c478bd9Sstevel@tonic-gate 1660ae115bc7Smrj /* 1661ae115bc7Smrj * Do final allocations of HAT data structures that need to 1662ae115bc7Smrj * be allocated before quiescing the boot loader. 1663ae115bc7Smrj */ 1664ae115bc7Smrj PRM_POINT("Calling hat_kern_alloc()..."); 1665ae115bc7Smrj hat_kern_alloc((caddr_t)segmap_start, segmapsize, ekernelheap); 1666ae115bc7Smrj PRM_POINT("hat_kern_alloc() done"); 1667ae115bc7Smrj 1668*843e1988Sjohnlev #ifndef __xpv 1669ae115bc7Smrj /* 1670ae115bc7Smrj * Setup MTRR (Memory type range registers) 1671ae115bc7Smrj */ 1672ae115bc7Smrj setup_mtrr(); 1673*843e1988Sjohnlev #endif 1674ae115bc7Smrj 1675ae115bc7Smrj /* 1676ae115bc7Smrj * The next two loops are done in distinct steps in order 1677ae115bc7Smrj * to be sure that any page that is doubly mapped (both above 1678ae115bc7Smrj * KERNEL_TEXT and below kernelbase) is dealt with correctly. 1679ae115bc7Smrj * Note this may never happen, but it might someday. 1680ae115bc7Smrj */ 1681ae115bc7Smrj bootpages = NULL; 1682ae115bc7Smrj PRM_POINT("Protecting boot pages"); 1683ae115bc7Smrj 1684ae115bc7Smrj /* 1685ae115bc7Smrj * Protect any pages mapped above KERNEL_TEXT that somehow have 1686ae115bc7Smrj * page_t's. This can only happen if something weird allocated 1687ae115bc7Smrj * in this range (like kadb/kmdb). 1688ae115bc7Smrj */ 1689ae115bc7Smrj protect_boot_range(KERNEL_TEXT, (uintptr_t)-1, 0); 1690ae115bc7Smrj 1691ae115bc7Smrj /* 1692ae115bc7Smrj * Before we can take over memory allocation/mapping from the boot 1693ae115bc7Smrj * loader we must remove from our free page lists any boot allocated 1694ae115bc7Smrj * pages that stay mapped until release_bootstrap(). 1695ae115bc7Smrj */ 1696ae115bc7Smrj protect_boot_range(0, kernelbase, 1); 1697ae115bc7Smrj 1698*843e1988Sjohnlev 1699ae115bc7Smrj /* 1700ae115bc7Smrj * Switch to running on regular HAT (not boot_mmu) 1701ae115bc7Smrj */ 1702ae115bc7Smrj PRM_POINT("Calling hat_kern_setup()..."); 1703ae115bc7Smrj hat_kern_setup(); 1704ae115bc7Smrj 1705ae115bc7Smrj /* 1706ae115bc7Smrj * It is no longer safe to call BOP_ALLOC(), so make sure we don't. 1707ae115bc7Smrj */ 1708ae115bc7Smrj bop_no_more_mem(); 1709ae115bc7Smrj 1710ae115bc7Smrj PRM_POINT("hat_kern_setup() done"); 1711ae115bc7Smrj 1712ae115bc7Smrj hat_cpu_online(CPU); 1713ae115bc7Smrj 17147c478bd9Sstevel@tonic-gate /* 17157c478bd9Sstevel@tonic-gate * Initialize VM system 17167c478bd9Sstevel@tonic-gate */ 17177c478bd9Sstevel@tonic-gate PRM_POINT("Calling kvm_init()..."); 17187c478bd9Sstevel@tonic-gate kvm_init(); 17197c478bd9Sstevel@tonic-gate PRM_POINT("kvm_init() done"); 17207c478bd9Sstevel@tonic-gate 17217c478bd9Sstevel@tonic-gate /* 17227c478bd9Sstevel@tonic-gate * Tell kmdb that the VM system is now working 17237c478bd9Sstevel@tonic-gate */ 17247c478bd9Sstevel@tonic-gate if (boothowto & RB_DEBUG) 17257c478bd9Sstevel@tonic-gate kdi_dvec_vmready(); 17267c478bd9Sstevel@tonic-gate 1727*843e1988Sjohnlev #if defined(__xpv) 1728*843e1988Sjohnlev /* 1729*843e1988Sjohnlev * Populate the I/O pool on domain 0 1730*843e1988Sjohnlev */ 1731*843e1988Sjohnlev if (DOMAIN_IS_INITDOMAIN(xen_info)) { 1732*843e1988Sjohnlev extern long populate_io_pool(void); 1733*843e1988Sjohnlev long init_io_pool_cnt; 1734*843e1988Sjohnlev 1735*843e1988Sjohnlev PRM_POINT("Populating reserve I/O page pool"); 1736*843e1988Sjohnlev init_io_pool_cnt = populate_io_pool(); 1737*843e1988Sjohnlev PRM_DEBUG(init_io_pool_cnt); 1738*843e1988Sjohnlev } 1739*843e1988Sjohnlev #endif 17407c478bd9Sstevel@tonic-gate /* 17417c478bd9Sstevel@tonic-gate * Mangle the brand string etc. 17427c478bd9Sstevel@tonic-gate */ 17437c478bd9Sstevel@tonic-gate cpuid_pass3(CPU); 17447c478bd9Sstevel@tonic-gate 17457c478bd9Sstevel@tonic-gate #if defined(__amd64) 17467c478bd9Sstevel@tonic-gate 17477c478bd9Sstevel@tonic-gate /* 17487c478bd9Sstevel@tonic-gate * Create the device arena for toxic (to dtrace/kmdb) mappings. 17497c478bd9Sstevel@tonic-gate */ 17507c478bd9Sstevel@tonic-gate device_arena = vmem_create("device", (void *)toxic_addr, 17517c478bd9Sstevel@tonic-gate toxic_size, MMU_PAGESIZE, NULL, NULL, NULL, 0, VM_SLEEP); 17527c478bd9Sstevel@tonic-gate 17537c478bd9Sstevel@tonic-gate #else /* __i386 */ 17547c478bd9Sstevel@tonic-gate 17557c478bd9Sstevel@tonic-gate /* 17567c478bd9Sstevel@tonic-gate * allocate the bit map that tracks toxic pages 17577c478bd9Sstevel@tonic-gate */ 1758ae115bc7Smrj toxic_bit_map_len = btop((ulong_t)(valloc_base - kernelbase)); 17597c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_bit_map_len); 17607c478bd9Sstevel@tonic-gate toxic_bit_map = 17617c478bd9Sstevel@tonic-gate kmem_zalloc(BT_SIZEOFMAP(toxic_bit_map_len), KM_NOSLEEP); 17627c478bd9Sstevel@tonic-gate ASSERT(toxic_bit_map != NULL); 17637c478bd9Sstevel@tonic-gate PRM_DEBUG(toxic_bit_map); 17647c478bd9Sstevel@tonic-gate 17657c478bd9Sstevel@tonic-gate #endif /* __i386 */ 17667c478bd9Sstevel@tonic-gate 17677c478bd9Sstevel@tonic-gate 17687c478bd9Sstevel@tonic-gate /* 17697c478bd9Sstevel@tonic-gate * Now that we've got more VA, as well as the ability to allocate from 17707c478bd9Sstevel@tonic-gate * it, tell the debugger. 17717c478bd9Sstevel@tonic-gate */ 17727c478bd9Sstevel@tonic-gate if (boothowto & RB_DEBUG) 17737c478bd9Sstevel@tonic-gate kdi_dvec_memavail(); 17747c478bd9Sstevel@tonic-gate 17757c478bd9Sstevel@tonic-gate /* 17767c478bd9Sstevel@tonic-gate * The following code installs a special page fault handler (#pf) 17777c478bd9Sstevel@tonic-gate * to work around a pentium bug. 17787c478bd9Sstevel@tonic-gate */ 1779*843e1988Sjohnlev #if !defined(__amd64) && !defined(__xpv) 17807c478bd9Sstevel@tonic-gate if (x86_type == X86_TYPE_P5) { 1781ae115bc7Smrj desctbr_t idtr; 17827c478bd9Sstevel@tonic-gate gate_desc_t *newidt; 1783ae115bc7Smrj struct machcpu *mcpu = &CPU->cpu_m; 17847c478bd9Sstevel@tonic-gate 17857c478bd9Sstevel@tonic-gate if ((newidt = kmem_zalloc(MMU_PAGESIZE, KM_NOSLEEP)) == NULL) 17867c478bd9Sstevel@tonic-gate panic("failed to install pentium_pftrap"); 17877c478bd9Sstevel@tonic-gate 17887c478bd9Sstevel@tonic-gate bcopy(idt0, newidt, sizeof (idt0)); 17897c478bd9Sstevel@tonic-gate set_gatesegd(&newidt[T_PGFLT], &pentium_pftrap, 1790*843e1988Sjohnlev KCS_SEL, SDT_SYSIGT, TRP_KPL); 17917c478bd9Sstevel@tonic-gate 17927c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, (caddr_t)newidt, MMU_PAGESIZE, 17937c478bd9Sstevel@tonic-gate PROT_READ|PROT_EXEC); 17947c478bd9Sstevel@tonic-gate 1795ae115bc7Smrj mcpu->mcpu_idt = newidt; 1796ae115bc7Smrj idtr.dtr_base = (uintptr_t)mcpu->mcpu_idt; 1797ae115bc7Smrj idtr.dtr_limit = sizeof (idt0) - 1; 1798ae115bc7Smrj wr_idtr(&idtr); 17997c478bd9Sstevel@tonic-gate } 18007c478bd9Sstevel@tonic-gate #endif /* !__amd64 */ 18017c478bd9Sstevel@tonic-gate 1802*843e1988Sjohnlev #if !defined(__xpv) 18037c478bd9Sstevel@tonic-gate /* 18047c478bd9Sstevel@tonic-gate * Map page pfn=0 for drivers, such as kd, that need to pick up 18057c478bd9Sstevel@tonic-gate * parameters left there by controllers/BIOS. 18067c478bd9Sstevel@tonic-gate */ 18077c478bd9Sstevel@tonic-gate PRM_POINT("setup up p0_va"); 18087c478bd9Sstevel@tonic-gate p0_va = i86devmap(0, 1, PROT_READ); 18097c478bd9Sstevel@tonic-gate PRM_DEBUG(p0_va); 1810*843e1988Sjohnlev #endif 18117c478bd9Sstevel@tonic-gate 18127c478bd9Sstevel@tonic-gate cmn_err(CE_CONT, "?mem = %luK (0x%lx)\n", 18137c478bd9Sstevel@tonic-gate physinstalled << (MMU_PAGESHIFT - 10), ptob(physinstalled)); 18147c478bd9Sstevel@tonic-gate 181583f9b804Skchow /* 181683f9b804Skchow * disable automatic large pages for small memory systems or 181783f9b804Skchow * when the disable flag is set. 181883f9b804Skchow */ 1819ec25b48fSsusans if (!auto_lpg_disable && mmu.max_page_level > 0) { 1820ec25b48fSsusans max_uheap_lpsize = LEVEL_SIZE(1); 1821ec25b48fSsusans max_ustack_lpsize = LEVEL_SIZE(1); 1822ec25b48fSsusans max_privmap_lpsize = LEVEL_SIZE(1); 1823ec25b48fSsusans max_uidata_lpsize = LEVEL_SIZE(1); 1824ec25b48fSsusans max_utext_lpsize = LEVEL_SIZE(1); 1825ec25b48fSsusans max_shm_lpsize = LEVEL_SIZE(1); 1826ec25b48fSsusans } 1827ec25b48fSsusans if (physmem < privm_lpg_min_physmem || mmu.max_page_level == 0 || 1828ec25b48fSsusans auto_lpg_disable) { 1829beb1bda0Sdavemq use_brk_lpg = 0; 1830beb1bda0Sdavemq use_stk_lpg = 0; 1831ec25b48fSsusans } 1832ec25b48fSsusans if (mmu.max_page_level > 0) { 1833ec25b48fSsusans mcntl0_lpsize = LEVEL_SIZE(1); 1834beb1bda0Sdavemq } 1835beb1bda0Sdavemq 18367c478bd9Sstevel@tonic-gate PRM_POINT("Calling hat_init_finish()..."); 18377c478bd9Sstevel@tonic-gate hat_init_finish(); 18387c478bd9Sstevel@tonic-gate PRM_POINT("hat_init_finish() done"); 18397c478bd9Sstevel@tonic-gate 18407c478bd9Sstevel@tonic-gate /* 18417c478bd9Sstevel@tonic-gate * Initialize the segkp segment type. 18427c478bd9Sstevel@tonic-gate */ 18437c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 1844ae115bc7Smrj PRM_POINT("Attaching segkp"); 1845ae115bc7Smrj if (segkp_fromheap) { 18467c478bd9Sstevel@tonic-gate segkp->s_as = &kas; 1847ae115bc7Smrj } else if (seg_attach(&kas, (caddr_t)segkp_base, mmu_ptob(segkpsize), 1848ae115bc7Smrj segkp) < 0) { 1849ae115bc7Smrj panic("startup: cannot attach segkp"); 1850ae115bc7Smrj /*NOTREACHED*/ 18517c478bd9Sstevel@tonic-gate } 1852ae115bc7Smrj PRM_POINT("Doing segkp_create()"); 18537c478bd9Sstevel@tonic-gate if (segkp_create(segkp) != 0) { 18547c478bd9Sstevel@tonic-gate panic("startup: segkp_create failed"); 18557c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 18567c478bd9Sstevel@tonic-gate } 18577c478bd9Sstevel@tonic-gate PRM_DEBUG(segkp); 18587c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 18597c478bd9Sstevel@tonic-gate 18607c478bd9Sstevel@tonic-gate /* 18617c478bd9Sstevel@tonic-gate * kpm segment 18627c478bd9Sstevel@tonic-gate */ 18637c478bd9Sstevel@tonic-gate segmap_kpm = 0; 18647c478bd9Sstevel@tonic-gate if (kpm_desired) { 18657c478bd9Sstevel@tonic-gate kpm_init(); 18667c478bd9Sstevel@tonic-gate kpm_enable = 1; 1867a5652762Spraks vpm_enable = 1; 18687c478bd9Sstevel@tonic-gate } 18697c478bd9Sstevel@tonic-gate 18707c478bd9Sstevel@tonic-gate /* 18717c478bd9Sstevel@tonic-gate * Now create segmap segment. 18727c478bd9Sstevel@tonic-gate */ 18737c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 1874ae115bc7Smrj if (seg_attach(&kas, (caddr_t)segmap_start, segmapsize, segmap) < 0) { 1875ae115bc7Smrj panic("cannot attach segmap"); 18767c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 18777c478bd9Sstevel@tonic-gate } 1878ae115bc7Smrj PRM_DEBUG(segmap); 18797c478bd9Sstevel@tonic-gate 18807c478bd9Sstevel@tonic-gate a.prot = PROT_READ | PROT_WRITE; 18817c478bd9Sstevel@tonic-gate a.shmsize = 0; 18827c478bd9Sstevel@tonic-gate a.nfreelist = segmapfreelists; 18837c478bd9Sstevel@tonic-gate 1884ae115bc7Smrj if (segmap_create(segmap, (caddr_t)&a) != 0) 1885ae115bc7Smrj panic("segmap_create segmap"); 18867c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 18877c478bd9Sstevel@tonic-gate 18887c478bd9Sstevel@tonic-gate setup_vaddr_for_ppcopy(CPU); 18897c478bd9Sstevel@tonic-gate 18907c478bd9Sstevel@tonic-gate segdev_init(); 1891*843e1988Sjohnlev #if defined(__xpv) 1892*843e1988Sjohnlev if (DOMAIN_IS_INITDOMAIN(xen_info)) 1893*843e1988Sjohnlev #endif 1894*843e1988Sjohnlev pmem_init(); 1895ae115bc7Smrj 18967c478bd9Sstevel@tonic-gate PRM_POINT("startup_vm() done"); 18977c478bd9Sstevel@tonic-gate } 18987c478bd9Sstevel@tonic-gate 1899ae115bc7Smrj /* 1900ae115bc7Smrj * Load a tod module for the non-standard tod part found on this system. 1901ae115bc7Smrj */ 1902ae115bc7Smrj static void 1903ae115bc7Smrj load_tod_module(char *todmod) 1904ae115bc7Smrj { 1905ae115bc7Smrj if (modload("tod", todmod) == -1) 1906ae115bc7Smrj halt("Can't load TOD module"); 1907ae115bc7Smrj } 1908ae115bc7Smrj 19097c478bd9Sstevel@tonic-gate static void 19107c478bd9Sstevel@tonic-gate startup_end(void) 19117c478bd9Sstevel@tonic-gate { 19127c478bd9Sstevel@tonic-gate extern void setx86isalist(void); 19137c478bd9Sstevel@tonic-gate 19147c478bd9Sstevel@tonic-gate PRM_POINT("startup_end() starting..."); 19157c478bd9Sstevel@tonic-gate 19167c478bd9Sstevel@tonic-gate /* 19177c478bd9Sstevel@tonic-gate * Perform tasks that get done after most of the VM 19187c478bd9Sstevel@tonic-gate * initialization has been done but before the clock 19197c478bd9Sstevel@tonic-gate * and other devices get started. 19207c478bd9Sstevel@tonic-gate */ 19217c478bd9Sstevel@tonic-gate kern_setup1(); 19227c478bd9Sstevel@tonic-gate 19237c478bd9Sstevel@tonic-gate /* 19247c478bd9Sstevel@tonic-gate * Perform CPC initialization for this CPU. 19257c478bd9Sstevel@tonic-gate */ 19267c478bd9Sstevel@tonic-gate kcpc_hw_init(CPU); 19277c478bd9Sstevel@tonic-gate 1928ee88d2b9Skchow #if defined(OPTERON_WORKAROUND_6323525) 1929ee88d2b9Skchow if (opteron_workaround_6323525) 1930ee88d2b9Skchow patch_workaround_6323525(); 1931ee88d2b9Skchow #endif 1932ae115bc7Smrj /* 1933ae115bc7Smrj * If needed, load TOD module now so that ddi_get_time(9F) etc. work 1934ae115bc7Smrj * (For now, "needed" is defined as set tod_module_name in /etc/system) 1935ae115bc7Smrj */ 1936ae115bc7Smrj if (tod_module_name != NULL) { 1937ae115bc7Smrj PRM_POINT("load_tod_module()"); 1938ae115bc7Smrj load_tod_module(tod_module_name); 1939ae115bc7Smrj } 1940ae115bc7Smrj 1941*843e1988Sjohnlev #if defined(__xpv) 1942*843e1988Sjohnlev /* 1943*843e1988Sjohnlev * Forceload interposing TOD module for the hypervisor. 1944*843e1988Sjohnlev */ 1945*843e1988Sjohnlev PRM_POINT("load_tod_module()"); 1946*843e1988Sjohnlev load_tod_module("xpvtod"); 1947*843e1988Sjohnlev #endif 1948*843e1988Sjohnlev 19497c478bd9Sstevel@tonic-gate /* 19507c478bd9Sstevel@tonic-gate * Configure the system. 19517c478bd9Sstevel@tonic-gate */ 19527c478bd9Sstevel@tonic-gate PRM_POINT("Calling configure()..."); 19537c478bd9Sstevel@tonic-gate configure(); /* set up devices */ 19547c478bd9Sstevel@tonic-gate PRM_POINT("configure() done"); 19557c478bd9Sstevel@tonic-gate 19567c478bd9Sstevel@tonic-gate /* 19577c478bd9Sstevel@tonic-gate * Set the isa_list string to the defined instruction sets we 19587c478bd9Sstevel@tonic-gate * support. 19597c478bd9Sstevel@tonic-gate */ 19607c478bd9Sstevel@tonic-gate setx86isalist(); 1961100b72f4Sandrei cpu_intr_alloc(CPU, NINTR_THREADS); 19627c478bd9Sstevel@tonic-gate psm_install(); 19637c478bd9Sstevel@tonic-gate 19647c478bd9Sstevel@tonic-gate /* 19657c478bd9Sstevel@tonic-gate * We're done with bootops. We don't unmap the bootstrap yet because 19667c478bd9Sstevel@tonic-gate * we're still using bootsvcs. 19677c478bd9Sstevel@tonic-gate */ 1968ae115bc7Smrj PRM_POINT("NULLing out bootops"); 1969ae115bc7Smrj *bootopsp = (struct bootops *)NULL; 19707c478bd9Sstevel@tonic-gate bootops = (struct bootops *)NULL; 19717c478bd9Sstevel@tonic-gate 1972*843e1988Sjohnlev #if defined(__xpv) 1973*843e1988Sjohnlev ec_init_debug_irq(); 1974*843e1988Sjohnlev xs_domu_init(); 1975*843e1988Sjohnlev #endif 19767c478bd9Sstevel@tonic-gate PRM_POINT("Enabling interrupts"); 19777c478bd9Sstevel@tonic-gate (*picinitf)(); 19787c478bd9Sstevel@tonic-gate sti(); 1979*843e1988Sjohnlev #if defined(__xpv) 1980*843e1988Sjohnlev ASSERT(CPU->cpu_m.mcpu_vcpu_info->evtchn_upcall_mask == 0); 1981*843e1988Sjohnlev xen_late_startup(); 1982*843e1988Sjohnlev #endif 19837c478bd9Sstevel@tonic-gate 19847c478bd9Sstevel@tonic-gate (void) add_avsoftintr((void *)&softlevel1_hdl, 1, softlevel1, 198535b1ab99Sjosephb "softlevel1", NULL, NULL); /* XXX to be moved later */ 19867c478bd9Sstevel@tonic-gate 19877c478bd9Sstevel@tonic-gate PRM_POINT("startup_end() done"); 19887c478bd9Sstevel@tonic-gate } 19897c478bd9Sstevel@tonic-gate 19907c478bd9Sstevel@tonic-gate extern char hw_serial[]; 19917c478bd9Sstevel@tonic-gate char *_hs1107 = hw_serial; 19927c478bd9Sstevel@tonic-gate ulong_t _bdhs34; 19937c478bd9Sstevel@tonic-gate 19947c478bd9Sstevel@tonic-gate void 19957c478bd9Sstevel@tonic-gate post_startup(void) 19967c478bd9Sstevel@tonic-gate { 19977c478bd9Sstevel@tonic-gate /* 19987c478bd9Sstevel@tonic-gate * Set the system wide, processor-specific flags to be passed 19997c478bd9Sstevel@tonic-gate * to userland via the aux vector for performance hints and 20007c478bd9Sstevel@tonic-gate * instruction set extensions. 20017c478bd9Sstevel@tonic-gate */ 20027c478bd9Sstevel@tonic-gate bind_hwcap(); 20037c478bd9Sstevel@tonic-gate 2004*843e1988Sjohnlev #ifdef __xpv 2005*843e1988Sjohnlev if (DOMAIN_IS_INITDOMAIN(xen_info)) 2006*843e1988Sjohnlev #endif 2007*843e1988Sjohnlev { 2008*843e1988Sjohnlev /* 2009*843e1988Sjohnlev * Load the System Management BIOS into the global ksmbios 2010*843e1988Sjohnlev * handle, if an SMBIOS is present on this system. 2011*843e1988Sjohnlev */ 2012*843e1988Sjohnlev ksmbios = smbios_open(NULL, SMB_VERSION, ksmbios_flags, NULL); 20137c478bd9Sstevel@tonic-gate 2014*843e1988Sjohnlev #if defined(__xpv) 2015*843e1988Sjohnlev xpv_panic_init(); 2016*843e1988Sjohnlev #else 2017*843e1988Sjohnlev /* 2018*843e1988Sjohnlev * Startup the memory scrubber. 2019*843e1988Sjohnlev * XXPV This should be running somewhere .. 2020*843e1988Sjohnlev */ 2021*843e1988Sjohnlev memscrub_init(); 2022*843e1988Sjohnlev #endif 2023*843e1988Sjohnlev } 20247c478bd9Sstevel@tonic-gate 20257aec1d6eScindi /* 20267aec1d6eScindi * Complete CPU module initialization 20277aec1d6eScindi */ 20287aec1d6eScindi cmi_post_init(); 20297aec1d6eScindi 20307c478bd9Sstevel@tonic-gate /* 203184ab085aSmws * Perform forceloading tasks for /etc/system. 20327c478bd9Sstevel@tonic-gate */ 203384ab085aSmws (void) mod_sysctl(SYS_FORCELOAD, NULL); 20347c478bd9Sstevel@tonic-gate 20357c478bd9Sstevel@tonic-gate /* 20367c478bd9Sstevel@tonic-gate * ON4.0: Force /proc module in until clock interrupt handle fixed 20377c478bd9Sstevel@tonic-gate * ON4.0: This must be fixed or restated in /etc/systems. 20387c478bd9Sstevel@tonic-gate */ 20397c478bd9Sstevel@tonic-gate (void) modload("fs", "procfs"); 20407c478bd9Sstevel@tonic-gate 20417c478bd9Sstevel@tonic-gate #if defined(__i386) 20427c478bd9Sstevel@tonic-gate /* 20437c478bd9Sstevel@tonic-gate * Check for required functional Floating Point hardware, 20447c478bd9Sstevel@tonic-gate * unless FP hardware explicitly disabled. 20457c478bd9Sstevel@tonic-gate */ 20467c478bd9Sstevel@tonic-gate if (fpu_exists && (fpu_pentium_fdivbug || fp_kind == FP_NO)) 20477c478bd9Sstevel@tonic-gate halt("No working FP hardware found"); 20487c478bd9Sstevel@tonic-gate #endif 20497c478bd9Sstevel@tonic-gate 20507c478bd9Sstevel@tonic-gate maxmem = freemem; 20517c478bd9Sstevel@tonic-gate 20527c478bd9Sstevel@tonic-gate add_cpunode2devtree(CPU->cpu_id, CPU->cpu_m.mcpu_cpi); 20537c478bd9Sstevel@tonic-gate } 20547c478bd9Sstevel@tonic-gate 20557c478bd9Sstevel@tonic-gate static int 20567c478bd9Sstevel@tonic-gate pp_in_ramdisk(page_t *pp) 20577c478bd9Sstevel@tonic-gate { 20587c478bd9Sstevel@tonic-gate extern uint64_t ramdisk_start, ramdisk_end; 20597c478bd9Sstevel@tonic-gate 20607c478bd9Sstevel@tonic-gate return ((pp->p_pagenum >= btop(ramdisk_start)) && 20617c478bd9Sstevel@tonic-gate (pp->p_pagenum < btopr(ramdisk_end))); 20627c478bd9Sstevel@tonic-gate } 20637c478bd9Sstevel@tonic-gate 20647c478bd9Sstevel@tonic-gate void 20657c478bd9Sstevel@tonic-gate release_bootstrap(void) 20667c478bd9Sstevel@tonic-gate { 20677c478bd9Sstevel@tonic-gate int root_is_ramdisk; 20687c478bd9Sstevel@tonic-gate page_t *pp; 20697c478bd9Sstevel@tonic-gate extern void kobj_boot_unmountroot(void); 20707c478bd9Sstevel@tonic-gate extern dev_t rootdev; 20717c478bd9Sstevel@tonic-gate 20727c478bd9Sstevel@tonic-gate /* unmount boot ramdisk and release kmem usage */ 20737c478bd9Sstevel@tonic-gate kobj_boot_unmountroot(); 20747c478bd9Sstevel@tonic-gate 20757c478bd9Sstevel@tonic-gate /* 20767c478bd9Sstevel@tonic-gate * We're finished using the boot loader so free its pages. 20777c478bd9Sstevel@tonic-gate */ 20787c478bd9Sstevel@tonic-gate PRM_POINT("Unmapping lower boot pages"); 2079ae115bc7Smrj clear_boot_mappings(0, _userlimit); 2080ae115bc7Smrj postbootkernelbase = kernelbase; 20817c478bd9Sstevel@tonic-gate 20827c478bd9Sstevel@tonic-gate /* 20837c478bd9Sstevel@tonic-gate * If root isn't on ramdisk, destroy the hardcoded 20847c478bd9Sstevel@tonic-gate * ramdisk node now and release the memory. Else, 20857c478bd9Sstevel@tonic-gate * ramdisk memory is kept in rd_pages. 20867c478bd9Sstevel@tonic-gate */ 20877c478bd9Sstevel@tonic-gate root_is_ramdisk = (getmajor(rootdev) == ddi_name_to_major("ramdisk")); 20887c478bd9Sstevel@tonic-gate if (!root_is_ramdisk) { 20897c478bd9Sstevel@tonic-gate dev_info_t *dip = ddi_find_devinfo("ramdisk", -1, 0); 20907c478bd9Sstevel@tonic-gate ASSERT(dip && ddi_get_parent(dip) == ddi_root_node()); 20917c478bd9Sstevel@tonic-gate ndi_rele_devi(dip); /* held from ddi_find_devinfo */ 20927c478bd9Sstevel@tonic-gate (void) ddi_remove_child(dip, 0); 20937c478bd9Sstevel@tonic-gate } 20947c478bd9Sstevel@tonic-gate 20957c478bd9Sstevel@tonic-gate PRM_POINT("Releasing boot pages"); 20967c478bd9Sstevel@tonic-gate while (bootpages) { 20977c478bd9Sstevel@tonic-gate pp = bootpages; 20987c478bd9Sstevel@tonic-gate bootpages = pp->p_next; 20997c478bd9Sstevel@tonic-gate if (root_is_ramdisk && pp_in_ramdisk(pp)) { 21007c478bd9Sstevel@tonic-gate pp->p_next = rd_pages; 21017c478bd9Sstevel@tonic-gate rd_pages = pp; 21027c478bd9Sstevel@tonic-gate continue; 21037c478bd9Sstevel@tonic-gate } 21047c478bd9Sstevel@tonic-gate pp->p_next = (struct page *)0; 2105ae115bc7Smrj pp->p_prev = (struct page *)0; 2106ae115bc7Smrj PP_CLRBOOTPAGES(pp); 21077c478bd9Sstevel@tonic-gate page_free(pp, 1); 21087c478bd9Sstevel@tonic-gate } 2109ae115bc7Smrj PRM_POINT("Boot pages released"); 21107c478bd9Sstevel@tonic-gate 2111*843e1988Sjohnlev #if !defined(__xpv) 2112*843e1988Sjohnlev /* XXPV -- note this following bunch of code needs to be revisited in Xen 3.0 */ 21137c478bd9Sstevel@tonic-gate /* 21147c478bd9Sstevel@tonic-gate * Find 1 page below 1 MB so that other processors can boot up. 21157c478bd9Sstevel@tonic-gate * Make sure it has a kernel VA as well as a 1:1 mapping. 21167c478bd9Sstevel@tonic-gate * We should have just free'd one up. 21177c478bd9Sstevel@tonic-gate */ 21187c478bd9Sstevel@tonic-gate if (use_mp) { 2119ae115bc7Smrj pfn_t pfn; 2120ae115bc7Smrj 21217c478bd9Sstevel@tonic-gate for (pfn = 1; pfn < btop(1*1024*1024); pfn++) { 21227c478bd9Sstevel@tonic-gate if (page_numtopp_alloc(pfn) == NULL) 21237c478bd9Sstevel@tonic-gate continue; 21247c478bd9Sstevel@tonic-gate rm_platter_va = i86devmap(pfn, 1, 21257c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 21267c478bd9Sstevel@tonic-gate rm_platter_pa = ptob(pfn); 21277c478bd9Sstevel@tonic-gate hat_devload(kas.a_hat, 21287c478bd9Sstevel@tonic-gate (caddr_t)(uintptr_t)rm_platter_pa, MMU_PAGESIZE, 21297c478bd9Sstevel@tonic-gate pfn, PROT_READ | PROT_WRITE | PROT_EXEC, 21307c478bd9Sstevel@tonic-gate HAT_LOAD_NOCONSIST); 21317c478bd9Sstevel@tonic-gate break; 21327c478bd9Sstevel@tonic-gate } 21337c478bd9Sstevel@tonic-gate if (pfn == btop(1*1024*1024)) 21347c478bd9Sstevel@tonic-gate panic("No page available for starting " 21357c478bd9Sstevel@tonic-gate "other processors"); 21367c478bd9Sstevel@tonic-gate } 2137*843e1988Sjohnlev #endif /* !__xpv */ 21387c478bd9Sstevel@tonic-gate } 21397c478bd9Sstevel@tonic-gate 21407c478bd9Sstevel@tonic-gate /* 21417c478bd9Sstevel@tonic-gate * Initialize the platform-specific parts of a page_t. 21427c478bd9Sstevel@tonic-gate */ 21437c478bd9Sstevel@tonic-gate void 21447c478bd9Sstevel@tonic-gate add_physmem_cb(page_t *pp, pfn_t pnum) 21457c478bd9Sstevel@tonic-gate { 21467c478bd9Sstevel@tonic-gate pp->p_pagenum = pnum; 21477c478bd9Sstevel@tonic-gate pp->p_mapping = NULL; 21487c478bd9Sstevel@tonic-gate pp->p_embed = 0; 21497c478bd9Sstevel@tonic-gate pp->p_share = 0; 21507c478bd9Sstevel@tonic-gate pp->p_mlentry = 0; 21517c478bd9Sstevel@tonic-gate } 21527c478bd9Sstevel@tonic-gate 21537c478bd9Sstevel@tonic-gate /* 21547c478bd9Sstevel@tonic-gate * kphysm_init() initializes physical memory. 21557c478bd9Sstevel@tonic-gate */ 21567c478bd9Sstevel@tonic-gate static pgcnt_t 21577c478bd9Sstevel@tonic-gate kphysm_init( 2158ae115bc7Smrj page_t *pp, 21597c478bd9Sstevel@tonic-gate pgcnt_t npages) 21607c478bd9Sstevel@tonic-gate { 21617c478bd9Sstevel@tonic-gate struct memlist *pmem; 21627c478bd9Sstevel@tonic-gate struct memseg *cur_memseg; 21637c478bd9Sstevel@tonic-gate pfn_t base_pfn; 21647c478bd9Sstevel@tonic-gate pgcnt_t num; 21657c478bd9Sstevel@tonic-gate pgcnt_t pages_done = 0; 21667c478bd9Sstevel@tonic-gate uint64_t addr; 21677c478bd9Sstevel@tonic-gate uint64_t size; 21687c478bd9Sstevel@tonic-gate extern pfn_t ddiphysmin; 21697c478bd9Sstevel@tonic-gate 21707c478bd9Sstevel@tonic-gate ASSERT(page_hash != NULL && page_hashsz != 0); 21717c478bd9Sstevel@tonic-gate 2172ae115bc7Smrj cur_memseg = memseg_base; 21737c478bd9Sstevel@tonic-gate for (pmem = phys_avail; pmem && npages; pmem = pmem->next) { 21747c478bd9Sstevel@tonic-gate /* 21757c478bd9Sstevel@tonic-gate * In a 32 bit kernel can't use higher memory if we're 21767c478bd9Sstevel@tonic-gate * not booting in PAE mode. This check takes care of that. 21777c478bd9Sstevel@tonic-gate */ 21787c478bd9Sstevel@tonic-gate addr = pmem->address; 21797c478bd9Sstevel@tonic-gate size = pmem->size; 21807c478bd9Sstevel@tonic-gate if (btop(addr) > physmax) 21817c478bd9Sstevel@tonic-gate continue; 21827c478bd9Sstevel@tonic-gate 21837c478bd9Sstevel@tonic-gate /* 21847c478bd9Sstevel@tonic-gate * align addr and size - they may not be at page boundaries 21857c478bd9Sstevel@tonic-gate */ 21867c478bd9Sstevel@tonic-gate if ((addr & MMU_PAGEOFFSET) != 0) { 21877c478bd9Sstevel@tonic-gate addr += MMU_PAGEOFFSET; 21887c478bd9Sstevel@tonic-gate addr &= ~(uint64_t)MMU_PAGEOFFSET; 21897c478bd9Sstevel@tonic-gate size -= addr - pmem->address; 21907c478bd9Sstevel@tonic-gate } 21917c478bd9Sstevel@tonic-gate 21926bb54764Skchow /* only process pages below or equal to physmax */ 21936bb54764Skchow if ((btop(addr + size) - 1) > physmax) 21946bb54764Skchow size = ptob(physmax - btop(addr) + 1); 21957c478bd9Sstevel@tonic-gate 21967c478bd9Sstevel@tonic-gate num = btop(size); 21977c478bd9Sstevel@tonic-gate if (num == 0) 21987c478bd9Sstevel@tonic-gate continue; 21997c478bd9Sstevel@tonic-gate 22007c478bd9Sstevel@tonic-gate if (num > npages) 22017c478bd9Sstevel@tonic-gate num = npages; 22027c478bd9Sstevel@tonic-gate 22037c478bd9Sstevel@tonic-gate npages -= num; 22047c478bd9Sstevel@tonic-gate pages_done += num; 22057c478bd9Sstevel@tonic-gate base_pfn = btop(addr); 22067c478bd9Sstevel@tonic-gate 22077c478bd9Sstevel@tonic-gate if (prom_debug) 22087c478bd9Sstevel@tonic-gate prom_printf("MEMSEG addr=0x%" PRIx64 22097c478bd9Sstevel@tonic-gate " pgs=0x%lx pfn 0x%lx-0x%lx\n", 22107c478bd9Sstevel@tonic-gate addr, num, base_pfn, base_pfn + num); 22117c478bd9Sstevel@tonic-gate 22127c478bd9Sstevel@tonic-gate /* 2213ae115bc7Smrj * Ignore pages below ddiphysmin to simplify ddi memory 22147c478bd9Sstevel@tonic-gate * allocation with non-zero addr_lo requests. 22157c478bd9Sstevel@tonic-gate */ 22167c478bd9Sstevel@tonic-gate if (base_pfn < ddiphysmin) { 2217ae115bc7Smrj if (base_pfn + num <= ddiphysmin) 22187c478bd9Sstevel@tonic-gate continue; 22197c478bd9Sstevel@tonic-gate pp += (ddiphysmin - base_pfn); 22207c478bd9Sstevel@tonic-gate num -= (ddiphysmin - base_pfn); 22217c478bd9Sstevel@tonic-gate base_pfn = ddiphysmin; 22227c478bd9Sstevel@tonic-gate } 2223ae115bc7Smrj 22247c478bd9Sstevel@tonic-gate /* 22257c478bd9Sstevel@tonic-gate * Build the memsegs entry 22267c478bd9Sstevel@tonic-gate */ 22277c478bd9Sstevel@tonic-gate cur_memseg->pages = pp; 22287c478bd9Sstevel@tonic-gate cur_memseg->epages = pp + num; 22297c478bd9Sstevel@tonic-gate cur_memseg->pages_base = base_pfn; 22307c478bd9Sstevel@tonic-gate cur_memseg->pages_end = base_pfn + num; 22317c478bd9Sstevel@tonic-gate 22327c478bd9Sstevel@tonic-gate /* 2233ae115bc7Smrj * Insert into memseg list in decreasing pfn range order. 22347c478bd9Sstevel@tonic-gate * Low memory is typically more fragmented such that this 22357c478bd9Sstevel@tonic-gate * ordering keeps the larger ranges at the front of the list 22367c478bd9Sstevel@tonic-gate * for code that searches memseg. 2237ae115bc7Smrj * This ASSERTS that the memsegs coming in from boot are in 2238ae115bc7Smrj * increasing physical address order and not contiguous. 22397c478bd9Sstevel@tonic-gate */ 2240ae115bc7Smrj if (memsegs != NULL) { 2241ae115bc7Smrj ASSERT(cur_memseg->pages_base >= memsegs->pages_end); 2242ae115bc7Smrj cur_memseg->next = memsegs; 22437c478bd9Sstevel@tonic-gate } 2244ae115bc7Smrj memsegs = cur_memseg; 22457c478bd9Sstevel@tonic-gate 22467c478bd9Sstevel@tonic-gate /* 22477c478bd9Sstevel@tonic-gate * add_physmem() initializes the PSM part of the page 22487c478bd9Sstevel@tonic-gate * struct by calling the PSM back with add_physmem_cb(). 22497c478bd9Sstevel@tonic-gate * In addition it coalesces pages into larger pages as 22507c478bd9Sstevel@tonic-gate * it initializes them. 22517c478bd9Sstevel@tonic-gate */ 22527c478bd9Sstevel@tonic-gate add_physmem(pp, num, base_pfn); 22537c478bd9Sstevel@tonic-gate cur_memseg++; 22547c478bd9Sstevel@tonic-gate availrmem_initial += num; 22557c478bd9Sstevel@tonic-gate availrmem += num; 22567c478bd9Sstevel@tonic-gate 2257ae115bc7Smrj pp += num; 22587c478bd9Sstevel@tonic-gate } 22597c478bd9Sstevel@tonic-gate 22607c478bd9Sstevel@tonic-gate PRM_DEBUG(availrmem_initial); 22617c478bd9Sstevel@tonic-gate PRM_DEBUG(availrmem); 22627c478bd9Sstevel@tonic-gate PRM_DEBUG(freemem); 22637c478bd9Sstevel@tonic-gate build_pfn_hash(); 22647c478bd9Sstevel@tonic-gate return (pages_done); 22657c478bd9Sstevel@tonic-gate } 22667c478bd9Sstevel@tonic-gate 22677c478bd9Sstevel@tonic-gate /* 22687c478bd9Sstevel@tonic-gate * Kernel VM initialization. 22697c478bd9Sstevel@tonic-gate */ 22707c478bd9Sstevel@tonic-gate static void 22717c478bd9Sstevel@tonic-gate kvm_init(void) 22727c478bd9Sstevel@tonic-gate { 22737c478bd9Sstevel@tonic-gate ASSERT((((uintptr_t)s_text) & MMU_PAGEOFFSET) == 0); 22747c478bd9Sstevel@tonic-gate 22757c478bd9Sstevel@tonic-gate /* 22767c478bd9Sstevel@tonic-gate * Put the kernel segments in kernel address space. 22777c478bd9Sstevel@tonic-gate */ 22787c478bd9Sstevel@tonic-gate rw_enter(&kas.a_lock, RW_WRITER); 22797c478bd9Sstevel@tonic-gate as_avlinit(&kas); 22807c478bd9Sstevel@tonic-gate 22817c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, s_text, e_moddata - s_text, &ktextseg); 22827c478bd9Sstevel@tonic-gate (void) segkmem_create(&ktextseg); 22837c478bd9Sstevel@tonic-gate 22847c478bd9Sstevel@tonic-gate (void) seg_attach(&kas, (caddr_t)valloc_base, valloc_sz, &kvalloc); 22857c478bd9Sstevel@tonic-gate (void) segkmem_create(&kvalloc); 22867c478bd9Sstevel@tonic-gate 228735b1ab99Sjosephb (void) seg_attach(&kas, kernelheap, 228835b1ab99Sjosephb ekernelheap - kernelheap, &kvseg); 22897c478bd9Sstevel@tonic-gate (void) segkmem_create(&kvseg); 22907c478bd9Sstevel@tonic-gate 2291ae115bc7Smrj if (core_size > 0) { 2292ae115bc7Smrj PRM_POINT("attaching kvseg_core"); 2293ae115bc7Smrj (void) seg_attach(&kas, (caddr_t)core_base, core_size, 2294ae115bc7Smrj &kvseg_core); 2295ae115bc7Smrj (void) segkmem_create(&kvseg_core); 2296ae115bc7Smrj } 2297ad23a2dbSjohansen 2298ae115bc7Smrj if (segziosize > 0) { 2299ae115bc7Smrj PRM_POINT("attaching segzio"); 2300ad23a2dbSjohansen (void) seg_attach(&kas, segzio_base, mmu_ptob(segziosize), 2301ad23a2dbSjohansen &kzioseg); 2302ad23a2dbSjohansen (void) segkmem_zio_create(&kzioseg); 2303ad23a2dbSjohansen 2304ad23a2dbSjohansen /* create zio area covering new segment */ 2305ad23a2dbSjohansen segkmem_zio_init(segzio_base, mmu_ptob(segziosize)); 2306ad23a2dbSjohansen } 23077c478bd9Sstevel@tonic-gate 2308ae115bc7Smrj (void) seg_attach(&kas, kdi_segdebugbase, kdi_segdebugsize, &kdebugseg); 23097c478bd9Sstevel@tonic-gate (void) segkmem_create(&kdebugseg); 23107c478bd9Sstevel@tonic-gate 23117c478bd9Sstevel@tonic-gate rw_exit(&kas.a_lock); 23127c478bd9Sstevel@tonic-gate 23137c478bd9Sstevel@tonic-gate /* 23147c478bd9Sstevel@tonic-gate * Ensure that the red zone at kernelbase is never accessible. 23157c478bd9Sstevel@tonic-gate */ 2316ae115bc7Smrj PRM_POINT("protecting redzone"); 23177c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, (caddr_t)kernelbase, KERNEL_REDZONE_SIZE, 0); 23187c478bd9Sstevel@tonic-gate 23197c478bd9Sstevel@tonic-gate /* 23207c478bd9Sstevel@tonic-gate * Make the text writable so that it can be hot patched by DTrace. 23217c478bd9Sstevel@tonic-gate */ 23227c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, s_text, e_modtext - s_text, 23237c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 23247c478bd9Sstevel@tonic-gate 23257c478bd9Sstevel@tonic-gate /* 23267c478bd9Sstevel@tonic-gate * Make data writable until end. 23277c478bd9Sstevel@tonic-gate */ 23287c478bd9Sstevel@tonic-gate (void) as_setprot(&kas, s_data, e_moddata - s_data, 23297c478bd9Sstevel@tonic-gate PROT_READ | PROT_WRITE | PROT_EXEC); 23307c478bd9Sstevel@tonic-gate } 23317c478bd9Sstevel@tonic-gate 2332*843e1988Sjohnlev #ifndef __xpv 23337c478bd9Sstevel@tonic-gate /* 23347c478bd9Sstevel@tonic-gate * These are MTTR registers supported by P6 23357c478bd9Sstevel@tonic-gate */ 23367c478bd9Sstevel@tonic-gate static struct mtrrvar mtrrphys_arr[MAX_MTRRVAR]; 23377c478bd9Sstevel@tonic-gate static uint64_t mtrr64k, mtrr16k1, mtrr16k2; 23387c478bd9Sstevel@tonic-gate static uint64_t mtrr4k1, mtrr4k2, mtrr4k3; 23397c478bd9Sstevel@tonic-gate static uint64_t mtrr4k4, mtrr4k5, mtrr4k6; 23407c478bd9Sstevel@tonic-gate static uint64_t mtrr4k7, mtrr4k8, mtrrcap; 23417c478bd9Sstevel@tonic-gate uint64_t mtrrdef, pat_attr_reg; 23427c478bd9Sstevel@tonic-gate 23437c478bd9Sstevel@tonic-gate /* 23447c478bd9Sstevel@tonic-gate * Disable reprogramming of MTRRs by default. 23457c478bd9Sstevel@tonic-gate */ 23467c478bd9Sstevel@tonic-gate int enable_relaxed_mtrr = 0; 23477c478bd9Sstevel@tonic-gate 23487c478bd9Sstevel@tonic-gate void 234945916cd2Sjpk setup_mtrr(void) 23507c478bd9Sstevel@tonic-gate { 23517c478bd9Sstevel@tonic-gate int i, ecx; 23527c478bd9Sstevel@tonic-gate int vcnt; 23537c478bd9Sstevel@tonic-gate struct mtrrvar *mtrrphys; 23547c478bd9Sstevel@tonic-gate 23557c478bd9Sstevel@tonic-gate if (!(x86_feature & X86_MTRR)) 23567c478bd9Sstevel@tonic-gate return; 23577c478bd9Sstevel@tonic-gate 23580ac7d7d8Skucharsk mtrrcap = rdmsr(REG_MTRRCAP); 23590ac7d7d8Skucharsk mtrrdef = rdmsr(REG_MTRRDEF); 23607c478bd9Sstevel@tonic-gate if (mtrrcap & MTRRCAP_FIX) { 23610ac7d7d8Skucharsk mtrr64k = rdmsr(REG_MTRR64K); 23620ac7d7d8Skucharsk mtrr16k1 = rdmsr(REG_MTRR16K1); 23630ac7d7d8Skucharsk mtrr16k2 = rdmsr(REG_MTRR16K2); 23640ac7d7d8Skucharsk mtrr4k1 = rdmsr(REG_MTRR4K1); 23650ac7d7d8Skucharsk mtrr4k2 = rdmsr(REG_MTRR4K2); 23660ac7d7d8Skucharsk mtrr4k3 = rdmsr(REG_MTRR4K3); 23670ac7d7d8Skucharsk mtrr4k4 = rdmsr(REG_MTRR4K4); 23680ac7d7d8Skucharsk mtrr4k5 = rdmsr(REG_MTRR4K5); 23690ac7d7d8Skucharsk mtrr4k6 = rdmsr(REG_MTRR4K6); 23700ac7d7d8Skucharsk mtrr4k7 = rdmsr(REG_MTRR4K7); 23710ac7d7d8Skucharsk mtrr4k8 = rdmsr(REG_MTRR4K8); 23727c478bd9Sstevel@tonic-gate } 23737c478bd9Sstevel@tonic-gate if ((vcnt = (mtrrcap & MTRRCAP_VCNTMASK)) > MAX_MTRRVAR) 23747c478bd9Sstevel@tonic-gate vcnt = MAX_MTRRVAR; 23757c478bd9Sstevel@tonic-gate 23767c478bd9Sstevel@tonic-gate for (i = 0, ecx = REG_MTRRPHYSBASE0, mtrrphys = mtrrphys_arr; 237735b1ab99Sjosephb i < vcnt - 1; i++, ecx += 2, mtrrphys++) { 23780ac7d7d8Skucharsk mtrrphys->mtrrphys_base = rdmsr(ecx); 23790ac7d7d8Skucharsk mtrrphys->mtrrphys_mask = rdmsr(ecx + 1); 238035b1ab99Sjosephb if ((x86_feature & X86_PAT) && enable_relaxed_mtrr) 23817c478bd9Sstevel@tonic-gate mtrrphys->mtrrphys_mask &= ~MTRRPHYSMASK_V; 23827c478bd9Sstevel@tonic-gate } 23837c478bd9Sstevel@tonic-gate if (x86_feature & X86_PAT) { 23847c478bd9Sstevel@tonic-gate if (enable_relaxed_mtrr) 23857c478bd9Sstevel@tonic-gate mtrrdef = MTRR_TYPE_WB|MTRRDEF_FE|MTRRDEF_E; 23867c478bd9Sstevel@tonic-gate pat_attr_reg = PAT_DEFAULT_ATTRIBUTE; 23877c478bd9Sstevel@tonic-gate } 23887c478bd9Sstevel@tonic-gate 23897c478bd9Sstevel@tonic-gate mtrr_sync(); 23907c478bd9Sstevel@tonic-gate } 23917c478bd9Sstevel@tonic-gate 23927c478bd9Sstevel@tonic-gate /* 23937c478bd9Sstevel@tonic-gate * Sync current cpu mtrr with the incore copy of mtrr. 23947c478bd9Sstevel@tonic-gate * This function has to be invoked with interrupts disabled 23957c478bd9Sstevel@tonic-gate * Currently we do not capture other cpu's. This is invoked on cpu0 23967c478bd9Sstevel@tonic-gate * just after reading /etc/system. 23977c478bd9Sstevel@tonic-gate * On other cpu's its invoked from mp_startup(). 23987c478bd9Sstevel@tonic-gate */ 23997c478bd9Sstevel@tonic-gate void 240045916cd2Sjpk mtrr_sync(void) 24017c478bd9Sstevel@tonic-gate { 24027c478bd9Sstevel@tonic-gate uint_t crvalue, cr0_orig; 24037c478bd9Sstevel@tonic-gate int vcnt, i, ecx; 24047c478bd9Sstevel@tonic-gate struct mtrrvar *mtrrphys; 24057c478bd9Sstevel@tonic-gate 24067c478bd9Sstevel@tonic-gate cr0_orig = crvalue = getcr0(); 24077c478bd9Sstevel@tonic-gate crvalue |= CR0_CD; 24087c478bd9Sstevel@tonic-gate crvalue &= ~CR0_NW; 24097c478bd9Sstevel@tonic-gate setcr0(crvalue); 24107c478bd9Sstevel@tonic-gate invalidate_cache(); 24117c478bd9Sstevel@tonic-gate 2412*843e1988Sjohnlev #if !defined(__xpv) 2413ae115bc7Smrj reload_cr3(); 2414*843e1988Sjohnlev #endif 24150ac7d7d8Skucharsk if (x86_feature & X86_PAT) 24160ac7d7d8Skucharsk wrmsr(REG_MTRRPAT, pat_attr_reg); 24170ac7d7d8Skucharsk 24180ac7d7d8Skucharsk wrmsr(REG_MTRRDEF, rdmsr(REG_MTRRDEF) & 24190ac7d7d8Skucharsk ~((uint64_t)(uintptr_t)MTRRDEF_E)); 24200ac7d7d8Skucharsk 24217c478bd9Sstevel@tonic-gate if (mtrrcap & MTRRCAP_FIX) { 24220ac7d7d8Skucharsk wrmsr(REG_MTRR64K, mtrr64k); 24230ac7d7d8Skucharsk wrmsr(REG_MTRR16K1, mtrr16k1); 24240ac7d7d8Skucharsk wrmsr(REG_MTRR16K2, mtrr16k2); 24250ac7d7d8Skucharsk wrmsr(REG_MTRR4K1, mtrr4k1); 24260ac7d7d8Skucharsk wrmsr(REG_MTRR4K2, mtrr4k2); 24270ac7d7d8Skucharsk wrmsr(REG_MTRR4K3, mtrr4k3); 24280ac7d7d8Skucharsk wrmsr(REG_MTRR4K4, mtrr4k4); 24290ac7d7d8Skucharsk wrmsr(REG_MTRR4K5, mtrr4k5); 24300ac7d7d8Skucharsk wrmsr(REG_MTRR4K6, mtrr4k6); 24310ac7d7d8Skucharsk wrmsr(REG_MTRR4K7, mtrr4k7); 24320ac7d7d8Skucharsk wrmsr(REG_MTRR4K8, mtrr4k8); 24337c478bd9Sstevel@tonic-gate } 24347c478bd9Sstevel@tonic-gate if ((vcnt = (mtrrcap & MTRRCAP_VCNTMASK)) > MAX_MTRRVAR) 24357c478bd9Sstevel@tonic-gate vcnt = MAX_MTRRVAR; 24367c478bd9Sstevel@tonic-gate for (i = 0, ecx = REG_MTRRPHYSBASE0, mtrrphys = mtrrphys_arr; 24370ac7d7d8Skucharsk i < vcnt - 1; i++, ecx += 2, mtrrphys++) { 24380ac7d7d8Skucharsk wrmsr(ecx, mtrrphys->mtrrphys_base); 24390ac7d7d8Skucharsk wrmsr(ecx + 1, mtrrphys->mtrrphys_mask); 24407c478bd9Sstevel@tonic-gate } 24410ac7d7d8Skucharsk wrmsr(REG_MTRRDEF, mtrrdef); 2442ae115bc7Smrj 2443*843e1988Sjohnlev #if !defined(__xpv) 2444ae115bc7Smrj reload_cr3(); 2445*843e1988Sjohnlev #endif 24467c478bd9Sstevel@tonic-gate invalidate_cache(); 24477c478bd9Sstevel@tonic-gate setcr0(cr0_orig); 24487c478bd9Sstevel@tonic-gate } 24497c478bd9Sstevel@tonic-gate 24507c478bd9Sstevel@tonic-gate /* 24517c478bd9Sstevel@tonic-gate * resync mtrr so that BIOS is happy. Called from mdboot 24527c478bd9Sstevel@tonic-gate */ 24537c478bd9Sstevel@tonic-gate void 245445916cd2Sjpk mtrr_resync(void) 24557c478bd9Sstevel@tonic-gate { 24567c478bd9Sstevel@tonic-gate if ((x86_feature & X86_PAT) && enable_relaxed_mtrr) { 24577c478bd9Sstevel@tonic-gate /* 24587c478bd9Sstevel@tonic-gate * We could have changed the default mtrr definition. 24597c478bd9Sstevel@tonic-gate * Put it back to uncached which is what it is at power on 24607c478bd9Sstevel@tonic-gate */ 24617c478bd9Sstevel@tonic-gate mtrrdef = MTRR_TYPE_UC|MTRRDEF_FE|MTRRDEF_E; 24627c478bd9Sstevel@tonic-gate mtrr_sync(); 24637c478bd9Sstevel@tonic-gate } 24647c478bd9Sstevel@tonic-gate } 2465*843e1988Sjohnlev #endif 24667c478bd9Sstevel@tonic-gate 24677c478bd9Sstevel@tonic-gate void 246845916cd2Sjpk get_system_configuration(void) 24697c478bd9Sstevel@tonic-gate { 24707c478bd9Sstevel@tonic-gate char prop[32]; 24717c478bd9Sstevel@tonic-gate u_longlong_t nodes_ll, cpus_pernode_ll, lvalue; 24727c478bd9Sstevel@tonic-gate 247335b1ab99Sjosephb if (BOP_GETPROPLEN(bootops, "nodes") > sizeof (prop) || 247435b1ab99Sjosephb BOP_GETPROP(bootops, "nodes", prop) < 0 || 247535b1ab99Sjosephb kobj_getvalue(prop, &nodes_ll) == -1 || 247635b1ab99Sjosephb nodes_ll > MAXNODES || 247735b1ab99Sjosephb BOP_GETPROPLEN(bootops, "cpus_pernode") > sizeof (prop) || 247835b1ab99Sjosephb BOP_GETPROP(bootops, "cpus_pernode", prop) < 0 || 247935b1ab99Sjosephb kobj_getvalue(prop, &cpus_pernode_ll) == -1) { 24807c478bd9Sstevel@tonic-gate system_hardware.hd_nodes = 1; 24817c478bd9Sstevel@tonic-gate system_hardware.hd_cpus_per_node = 0; 24827c478bd9Sstevel@tonic-gate } else { 24837c478bd9Sstevel@tonic-gate system_hardware.hd_nodes = (int)nodes_ll; 24847c478bd9Sstevel@tonic-gate system_hardware.hd_cpus_per_node = (int)cpus_pernode_ll; 24857c478bd9Sstevel@tonic-gate } 248635b1ab99Sjosephb 248735b1ab99Sjosephb if (BOP_GETPROPLEN(bootops, "kernelbase") > sizeof (prop) || 248835b1ab99Sjosephb BOP_GETPROP(bootops, "kernelbase", prop) < 0 || 248935b1ab99Sjosephb kobj_getvalue(prop, &lvalue) == -1) 249035b1ab99Sjosephb eprom_kernelbase = NULL; 24917c478bd9Sstevel@tonic-gate else 249235b1ab99Sjosephb eprom_kernelbase = (uintptr_t)lvalue; 24937c478bd9Sstevel@tonic-gate 249435b1ab99Sjosephb if (BOP_GETPROPLEN(bootops, "segmapsize") > sizeof (prop) || 249535b1ab99Sjosephb BOP_GETPROP(bootops, "segmapsize", prop) < 0 || 249635b1ab99Sjosephb kobj_getvalue(prop, &lvalue) == -1) 24977c478bd9Sstevel@tonic-gate segmapsize = SEGMAPDEFAULT; 249835b1ab99Sjosephb else 24997c478bd9Sstevel@tonic-gate segmapsize = (uintptr_t)lvalue; 25007c478bd9Sstevel@tonic-gate 250135b1ab99Sjosephb if (BOP_GETPROPLEN(bootops, "segmapfreelists") > sizeof (prop) || 250235b1ab99Sjosephb BOP_GETPROP(bootops, "segmapfreelists", prop) < 0 || 250335b1ab99Sjosephb kobj_getvalue(prop, &lvalue) == -1) 25047c478bd9Sstevel@tonic-gate segmapfreelists = 0; /* use segmap driver default */ 250535b1ab99Sjosephb else 25067c478bd9Sstevel@tonic-gate segmapfreelists = (int)lvalue; 25074944b02eSkchow 2508aac11643Sjosephb /* physmem used to be here, but moved much earlier to fakebop.c */ 25097c478bd9Sstevel@tonic-gate } 25107c478bd9Sstevel@tonic-gate 25117c478bd9Sstevel@tonic-gate /* 25127c478bd9Sstevel@tonic-gate * Add to a memory list. 25137c478bd9Sstevel@tonic-gate * start = start of new memory segment 25147c478bd9Sstevel@tonic-gate * len = length of new memory segment in bytes 25157c478bd9Sstevel@tonic-gate * new = pointer to a new struct memlist 25167c478bd9Sstevel@tonic-gate * memlistp = memory list to which to add segment. 25177c478bd9Sstevel@tonic-gate */ 2518ae115bc7Smrj void 25197c478bd9Sstevel@tonic-gate memlist_add( 25207c478bd9Sstevel@tonic-gate uint64_t start, 25217c478bd9Sstevel@tonic-gate uint64_t len, 25227c478bd9Sstevel@tonic-gate struct memlist *new, 25237c478bd9Sstevel@tonic-gate struct memlist **memlistp) 25247c478bd9Sstevel@tonic-gate { 25257c478bd9Sstevel@tonic-gate struct memlist *cur; 25267c478bd9Sstevel@tonic-gate uint64_t end = start + len; 25277c478bd9Sstevel@tonic-gate 25287c478bd9Sstevel@tonic-gate new->address = start; 25297c478bd9Sstevel@tonic-gate new->size = len; 25307c478bd9Sstevel@tonic-gate 25317c478bd9Sstevel@tonic-gate cur = *memlistp; 25327c478bd9Sstevel@tonic-gate 25337c478bd9Sstevel@tonic-gate while (cur) { 25347c478bd9Sstevel@tonic-gate if (cur->address >= end) { 25357c478bd9Sstevel@tonic-gate new->next = cur; 25367c478bd9Sstevel@tonic-gate *memlistp = new; 25377c478bd9Sstevel@tonic-gate new->prev = cur->prev; 25387c478bd9Sstevel@tonic-gate cur->prev = new; 25397c478bd9Sstevel@tonic-gate return; 25407c478bd9Sstevel@tonic-gate } 25417c478bd9Sstevel@tonic-gate ASSERT(cur->address + cur->size <= start); 25427c478bd9Sstevel@tonic-gate if (cur->next == NULL) { 25437c478bd9Sstevel@tonic-gate cur->next = new; 25447c478bd9Sstevel@tonic-gate new->prev = cur; 25457c478bd9Sstevel@tonic-gate new->next = NULL; 25467c478bd9Sstevel@tonic-gate return; 25477c478bd9Sstevel@tonic-gate } 25487c478bd9Sstevel@tonic-gate memlistp = &cur->next; 25497c478bd9Sstevel@tonic-gate cur = cur->next; 25507c478bd9Sstevel@tonic-gate } 25517c478bd9Sstevel@tonic-gate } 25527c478bd9Sstevel@tonic-gate 25537c478bd9Sstevel@tonic-gate void 25547c478bd9Sstevel@tonic-gate kobj_vmem_init(vmem_t **text_arena, vmem_t **data_arena) 25557c478bd9Sstevel@tonic-gate { 25567c478bd9Sstevel@tonic-gate size_t tsize = e_modtext - modtext; 25577c478bd9Sstevel@tonic-gate size_t dsize = e_moddata - moddata; 25587c478bd9Sstevel@tonic-gate 25597c478bd9Sstevel@tonic-gate *text_arena = vmem_create("module_text", tsize ? modtext : NULL, tsize, 25607c478bd9Sstevel@tonic-gate 1, segkmem_alloc, segkmem_free, heaptext_arena, 0, VM_SLEEP); 25617c478bd9Sstevel@tonic-gate *data_arena = vmem_create("module_data", dsize ? moddata : NULL, dsize, 25627c478bd9Sstevel@tonic-gate 1, segkmem_alloc, segkmem_free, heap32_arena, 0, VM_SLEEP); 25637c478bd9Sstevel@tonic-gate } 25647c478bd9Sstevel@tonic-gate 25657c478bd9Sstevel@tonic-gate caddr_t 25667c478bd9Sstevel@tonic-gate kobj_text_alloc(vmem_t *arena, size_t size) 25677c478bd9Sstevel@tonic-gate { 25687c478bd9Sstevel@tonic-gate return (vmem_alloc(arena, size, VM_SLEEP | VM_BESTFIT)); 25697c478bd9Sstevel@tonic-gate } 25707c478bd9Sstevel@tonic-gate 25717c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 25727c478bd9Sstevel@tonic-gate caddr_t 25737c478bd9Sstevel@tonic-gate kobj_texthole_alloc(caddr_t addr, size_t size) 25747c478bd9Sstevel@tonic-gate { 25757c478bd9Sstevel@tonic-gate panic("unexpected call to kobj_texthole_alloc()"); 25767c478bd9Sstevel@tonic-gate /*NOTREACHED*/ 25777c478bd9Sstevel@tonic-gate return (0); 25787c478bd9Sstevel@tonic-gate } 25797c478bd9Sstevel@tonic-gate 25807c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 25817c478bd9Sstevel@tonic-gate void 25827c478bd9Sstevel@tonic-gate kobj_texthole_free(caddr_t addr, size_t size) 25837c478bd9Sstevel@tonic-gate { 25847c478bd9Sstevel@tonic-gate panic("unexpected call to kobj_texthole_free()"); 25857c478bd9Sstevel@tonic-gate } 25867c478bd9Sstevel@tonic-gate 25877c478bd9Sstevel@tonic-gate /* 25887c478bd9Sstevel@tonic-gate * This is called just after configure() in startup(). 25897c478bd9Sstevel@tonic-gate * 25907c478bd9Sstevel@tonic-gate * The ISALIST concept is a bit hopeless on Intel, because 25917c478bd9Sstevel@tonic-gate * there's no guarantee of an ever-more-capable processor 25927c478bd9Sstevel@tonic-gate * given that various parts of the instruction set may appear 25937c478bd9Sstevel@tonic-gate * and disappear between different implementations. 25947c478bd9Sstevel@tonic-gate * 25957c478bd9Sstevel@tonic-gate * While it would be possible to correct it and even enhance 25967c478bd9Sstevel@tonic-gate * it somewhat, the explicit hardware capability bitmask allows 25977c478bd9Sstevel@tonic-gate * more flexibility. 25987c478bd9Sstevel@tonic-gate * 25997c478bd9Sstevel@tonic-gate * So, we just leave this alone. 26007c478bd9Sstevel@tonic-gate */ 26017c478bd9Sstevel@tonic-gate void 26027c478bd9Sstevel@tonic-gate setx86isalist(void) 26037c478bd9Sstevel@tonic-gate { 26047c478bd9Sstevel@tonic-gate char *tp; 26057c478bd9Sstevel@tonic-gate size_t len; 26067c478bd9Sstevel@tonic-gate extern char *isa_list; 26077c478bd9Sstevel@tonic-gate 26087c478bd9Sstevel@tonic-gate #define TBUFSIZE 1024 26097c478bd9Sstevel@tonic-gate 26107c478bd9Sstevel@tonic-gate tp = kmem_alloc(TBUFSIZE, KM_SLEEP); 26117c478bd9Sstevel@tonic-gate *tp = '\0'; 26127c478bd9Sstevel@tonic-gate 26137c478bd9Sstevel@tonic-gate #if defined(__amd64) 26147c478bd9Sstevel@tonic-gate (void) strcpy(tp, "amd64 "); 26157c478bd9Sstevel@tonic-gate #endif 26167c478bd9Sstevel@tonic-gate 26177c478bd9Sstevel@tonic-gate switch (x86_vendor) { 26187c478bd9Sstevel@tonic-gate case X86_VENDOR_Intel: 26197c478bd9Sstevel@tonic-gate case X86_VENDOR_AMD: 26207c478bd9Sstevel@tonic-gate case X86_VENDOR_TM: 26217c478bd9Sstevel@tonic-gate if (x86_feature & X86_CMOV) { 26227c478bd9Sstevel@tonic-gate /* 26237c478bd9Sstevel@tonic-gate * Pentium Pro or later 26247c478bd9Sstevel@tonic-gate */ 26257c478bd9Sstevel@tonic-gate (void) strcat(tp, "pentium_pro"); 26267c478bd9Sstevel@tonic-gate (void) strcat(tp, x86_feature & X86_MMX ? 26277c478bd9Sstevel@tonic-gate "+mmx pentium_pro " : " "); 26287c478bd9Sstevel@tonic-gate } 26297c478bd9Sstevel@tonic-gate /*FALLTHROUGH*/ 26307c478bd9Sstevel@tonic-gate case X86_VENDOR_Cyrix: 26317c478bd9Sstevel@tonic-gate /* 26327c478bd9Sstevel@tonic-gate * The Cyrix 6x86 does not have any Pentium features 26337c478bd9Sstevel@tonic-gate * accessible while not at privilege level 0. 26347c478bd9Sstevel@tonic-gate */ 26357c478bd9Sstevel@tonic-gate if (x86_feature & X86_CPUID) { 26367c478bd9Sstevel@tonic-gate (void) strcat(tp, "pentium"); 26377c478bd9Sstevel@tonic-gate (void) strcat(tp, x86_feature & X86_MMX ? 26387c478bd9Sstevel@tonic-gate "+mmx pentium " : " "); 26397c478bd9Sstevel@tonic-gate } 26407c478bd9Sstevel@tonic-gate break; 26417c478bd9Sstevel@tonic-gate default: 26427c478bd9Sstevel@tonic-gate break; 26437c478bd9Sstevel@tonic-gate } 26447c478bd9Sstevel@tonic-gate (void) strcat(tp, "i486 i386 i86"); 26457c478bd9Sstevel@tonic-gate len = strlen(tp) + 1; /* account for NULL at end of string */ 26467c478bd9Sstevel@tonic-gate isa_list = strcpy(kmem_alloc(len, KM_SLEEP), tp); 26477c478bd9Sstevel@tonic-gate kmem_free(tp, TBUFSIZE); 26487c478bd9Sstevel@tonic-gate 26497c478bd9Sstevel@tonic-gate #undef TBUFSIZE 26507c478bd9Sstevel@tonic-gate } 26517c478bd9Sstevel@tonic-gate 26527c478bd9Sstevel@tonic-gate 26537c478bd9Sstevel@tonic-gate #ifdef __amd64 26547c478bd9Sstevel@tonic-gate 26557c478bd9Sstevel@tonic-gate void * 26567c478bd9Sstevel@tonic-gate device_arena_alloc(size_t size, int vm_flag) 26577c478bd9Sstevel@tonic-gate { 26587c478bd9Sstevel@tonic-gate return (vmem_alloc(device_arena, size, vm_flag)); 26597c478bd9Sstevel@tonic-gate } 26607c478bd9Sstevel@tonic-gate 26617c478bd9Sstevel@tonic-gate void 26627c478bd9Sstevel@tonic-gate device_arena_free(void *vaddr, size_t size) 26637c478bd9Sstevel@tonic-gate { 26647c478bd9Sstevel@tonic-gate vmem_free(device_arena, vaddr, size); 26657c478bd9Sstevel@tonic-gate } 26667c478bd9Sstevel@tonic-gate 2667ae115bc7Smrj #else /* __i386 */ 26687c478bd9Sstevel@tonic-gate 26697c478bd9Sstevel@tonic-gate void * 26707c478bd9Sstevel@tonic-gate device_arena_alloc(size_t size, int vm_flag) 26717c478bd9Sstevel@tonic-gate { 26727c478bd9Sstevel@tonic-gate caddr_t vaddr; 26737c478bd9Sstevel@tonic-gate uintptr_t v; 26747c478bd9Sstevel@tonic-gate size_t start; 26757c478bd9Sstevel@tonic-gate size_t end; 26767c478bd9Sstevel@tonic-gate 26777c478bd9Sstevel@tonic-gate vaddr = vmem_alloc(heap_arena, size, vm_flag); 26787c478bd9Sstevel@tonic-gate if (vaddr == NULL) 26797c478bd9Sstevel@tonic-gate return (NULL); 26807c478bd9Sstevel@tonic-gate 26817c478bd9Sstevel@tonic-gate v = (uintptr_t)vaddr; 26827c478bd9Sstevel@tonic-gate ASSERT(v >= kernelbase); 2683ae115bc7Smrj ASSERT(v + size <= valloc_base); 26847c478bd9Sstevel@tonic-gate 26857c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 26867c478bd9Sstevel@tonic-gate end = btop(v + size - 1 - kernelbase); 26877c478bd9Sstevel@tonic-gate ASSERT(start < toxic_bit_map_len); 26887c478bd9Sstevel@tonic-gate ASSERT(end < toxic_bit_map_len); 26897c478bd9Sstevel@tonic-gate 26907c478bd9Sstevel@tonic-gate while (start <= end) { 26917c478bd9Sstevel@tonic-gate BT_ATOMIC_SET(toxic_bit_map, start); 26927c478bd9Sstevel@tonic-gate ++start; 26937c478bd9Sstevel@tonic-gate } 26947c478bd9Sstevel@tonic-gate return (vaddr); 26957c478bd9Sstevel@tonic-gate } 26967c478bd9Sstevel@tonic-gate 26977c478bd9Sstevel@tonic-gate void 26987c478bd9Sstevel@tonic-gate device_arena_free(void *vaddr, size_t size) 26997c478bd9Sstevel@tonic-gate { 27007c478bd9Sstevel@tonic-gate uintptr_t v = (uintptr_t)vaddr; 27017c478bd9Sstevel@tonic-gate size_t start; 27027c478bd9Sstevel@tonic-gate size_t end; 27037c478bd9Sstevel@tonic-gate 27047c478bd9Sstevel@tonic-gate ASSERT(v >= kernelbase); 2705ae115bc7Smrj ASSERT(v + size <= valloc_base); 27067c478bd9Sstevel@tonic-gate 27077c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 27087c478bd9Sstevel@tonic-gate end = btop(v + size - 1 - kernelbase); 27097c478bd9Sstevel@tonic-gate ASSERT(start < toxic_bit_map_len); 27107c478bd9Sstevel@tonic-gate ASSERT(end < toxic_bit_map_len); 27117c478bd9Sstevel@tonic-gate 27127c478bd9Sstevel@tonic-gate while (start <= end) { 27137c478bd9Sstevel@tonic-gate ASSERT(BT_TEST(toxic_bit_map, start) != 0); 27147c478bd9Sstevel@tonic-gate BT_ATOMIC_CLEAR(toxic_bit_map, start); 27157c478bd9Sstevel@tonic-gate ++start; 27167c478bd9Sstevel@tonic-gate } 27177c478bd9Sstevel@tonic-gate vmem_free(heap_arena, vaddr, size); 27187c478bd9Sstevel@tonic-gate } 27197c478bd9Sstevel@tonic-gate 27207c478bd9Sstevel@tonic-gate /* 27217c478bd9Sstevel@tonic-gate * returns 1st address in range that is in device arena, or NULL 27227c478bd9Sstevel@tonic-gate * if len is not NULL it returns the length of the toxic range 27237c478bd9Sstevel@tonic-gate */ 27247c478bd9Sstevel@tonic-gate void * 27257c478bd9Sstevel@tonic-gate device_arena_contains(void *vaddr, size_t size, size_t *len) 27267c478bd9Sstevel@tonic-gate { 27277c478bd9Sstevel@tonic-gate uintptr_t v = (uintptr_t)vaddr; 27287c478bd9Sstevel@tonic-gate uintptr_t eaddr = v + size; 27297c478bd9Sstevel@tonic-gate size_t start; 27307c478bd9Sstevel@tonic-gate size_t end; 27317c478bd9Sstevel@tonic-gate 27327c478bd9Sstevel@tonic-gate /* 27337c478bd9Sstevel@tonic-gate * if called very early by kmdb, just return NULL 27347c478bd9Sstevel@tonic-gate */ 27357c478bd9Sstevel@tonic-gate if (toxic_bit_map == NULL) 27367c478bd9Sstevel@tonic-gate return (NULL); 27377c478bd9Sstevel@tonic-gate 27387c478bd9Sstevel@tonic-gate /* 27397c478bd9Sstevel@tonic-gate * First check if we're completely outside the bitmap range. 27407c478bd9Sstevel@tonic-gate */ 2741ae115bc7Smrj if (v >= valloc_base || eaddr < kernelbase) 27427c478bd9Sstevel@tonic-gate return (NULL); 27437c478bd9Sstevel@tonic-gate 27447c478bd9Sstevel@tonic-gate /* 27457c478bd9Sstevel@tonic-gate * Trim ends of search to look at only what the bitmap covers. 27467c478bd9Sstevel@tonic-gate */ 27477c478bd9Sstevel@tonic-gate if (v < kernelbase) 27487c478bd9Sstevel@tonic-gate v = kernelbase; 27497c478bd9Sstevel@tonic-gate start = btop(v - kernelbase); 27507c478bd9Sstevel@tonic-gate end = btop(eaddr - kernelbase); 27517c478bd9Sstevel@tonic-gate if (end >= toxic_bit_map_len) 27527c478bd9Sstevel@tonic-gate end = toxic_bit_map_len; 27537c478bd9Sstevel@tonic-gate 27547c478bd9Sstevel@tonic-gate if (bt_range(toxic_bit_map, &start, &end, end) == 0) 27557c478bd9Sstevel@tonic-gate return (NULL); 27567c478bd9Sstevel@tonic-gate 27577c478bd9Sstevel@tonic-gate v = kernelbase + ptob(start); 27587c478bd9Sstevel@tonic-gate if (len != NULL) 27597c478bd9Sstevel@tonic-gate *len = ptob(end - start); 27607c478bd9Sstevel@tonic-gate return ((void *)v); 27617c478bd9Sstevel@tonic-gate } 27627c478bd9Sstevel@tonic-gate 2763ae115bc7Smrj #endif /* __i386 */ 2764