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 541791439Sandrei * Common Development and Distribution License (the "License"). 641791439Sandrei * 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 /* 2241791439Sandrei * Copyright 2006 Sun Microsystems, Inc. All rights reserved. 237c478bd9Sstevel@tonic-gate * Use is subject to license terms. 247c478bd9Sstevel@tonic-gate */ 257c478bd9Sstevel@tonic-gate 267c478bd9Sstevel@tonic-gate /* Copyright (c) 1988 AT&T */ 277c478bd9Sstevel@tonic-gate /* All Rights Reserved */ 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate 307c478bd9Sstevel@tonic-gate #ifndef _SYS_MACHPARAM_H 317c478bd9Sstevel@tonic-gate #define _SYS_MACHPARAM_H 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 347c478bd9Sstevel@tonic-gate 3541791439Sandrei #if !defined(_ASM) 367c478bd9Sstevel@tonic-gate #include <sys/types.h> 3741791439Sandrei #endif 387c478bd9Sstevel@tonic-gate 397c478bd9Sstevel@tonic-gate #ifdef __cplusplus 407c478bd9Sstevel@tonic-gate extern "C" { 417c478bd9Sstevel@tonic-gate #endif 427c478bd9Sstevel@tonic-gate 437c478bd9Sstevel@tonic-gate #ifndef _ASM 447c478bd9Sstevel@tonic-gate #define ADDRESS_C(c) c ## ul 457c478bd9Sstevel@tonic-gate #else /* _ASM */ 467c478bd9Sstevel@tonic-gate #define ADDRESS_C(c) (c) 477c478bd9Sstevel@tonic-gate #endif /* _ASM */ 487c478bd9Sstevel@tonic-gate 497c478bd9Sstevel@tonic-gate /* 5041791439Sandrei * Machine dependent parameters and limits. 517c478bd9Sstevel@tonic-gate */ 5241791439Sandrei #if defined(__amd64) 5341791439Sandrei #define NCPU 64 /* NBBY * sizeof (ulong_t) for simple cpuset_t */ 5441791439Sandrei #elif defined(__i386) 5541791439Sandrei #define NCPU 32 5641791439Sandrei #else 5741791439Sandrei #error "port me" 5841791439Sandrei #endif 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate /* 617c478bd9Sstevel@tonic-gate * The value defined below could grow to 16. hat structure and 627c478bd9Sstevel@tonic-gate * page_t have room for 16 nodes. 637c478bd9Sstevel@tonic-gate */ 647c478bd9Sstevel@tonic-gate #define MAXNODES 4 657c478bd9Sstevel@tonic-gate #define NUMA_NODEMASK 0x0f 667c478bd9Sstevel@tonic-gate 677c478bd9Sstevel@tonic-gate 687c478bd9Sstevel@tonic-gate /* 697c478bd9Sstevel@tonic-gate * Define the FPU symbol if we could run on a machine with an external 707c478bd9Sstevel@tonic-gate * FPU (i.e. not integrated with the normal machine state like the vax). 717c478bd9Sstevel@tonic-gate * 727c478bd9Sstevel@tonic-gate * The fpu is defined in the architecture manual, and the kernel hides 737c478bd9Sstevel@tonic-gate * its absence if it is not present, that's pretty integrated, no? 747c478bd9Sstevel@tonic-gate */ 757c478bd9Sstevel@tonic-gate 767c478bd9Sstevel@tonic-gate /* supported page sizes */ 777c478bd9Sstevel@tonic-gate #define MMU_PAGE_SIZES 2 787c478bd9Sstevel@tonic-gate 797c478bd9Sstevel@tonic-gate /* 807c478bd9Sstevel@tonic-gate * MMU_PAGES* describes the physical page size used by the mapping hardware. 817c478bd9Sstevel@tonic-gate * PAGES* describes the logical page size used by the system. 827c478bd9Sstevel@tonic-gate */ 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate #define MMU_PAGESIZE 0x1000 /* 4096 bytes */ 857c478bd9Sstevel@tonic-gate #define MMU_PAGESHIFT 12 /* log2(MMU_PAGESIZE) */ 8641791439Sandrei 8741791439Sandrei #if !defined(_ASM) 887c478bd9Sstevel@tonic-gate #define MMU_PAGEOFFSET (MMU_PAGESIZE-1) /* Mask of address bits in page */ 8941791439Sandrei #else /* !_ASM */ 9041791439Sandrei #define MMU_PAGEOFFSET _CONST(MMU_PAGESIZE-1) /* assembler lameness */ 9141791439Sandrei #endif /* !_ASM */ 9241791439Sandrei 937c478bd9Sstevel@tonic-gate #define MMU_PAGEMASK (~MMU_PAGEOFFSET) 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate #define PAGESIZE 0x1000 /* All of the above, for logical */ 967c478bd9Sstevel@tonic-gate #define PAGESHIFT 12 977c478bd9Sstevel@tonic-gate #define PAGEOFFSET (PAGESIZE - 1) 987c478bd9Sstevel@tonic-gate #define PAGEMASK (~PAGEOFFSET) 997c478bd9Sstevel@tonic-gate 1007c478bd9Sstevel@tonic-gate /* 1017c478bd9Sstevel@tonic-gate * DATA_ALIGN is used to define the alignment of the Unix data segment. 1027c478bd9Sstevel@tonic-gate */ 1037c478bd9Sstevel@tonic-gate #define DATA_ALIGN PAGESIZE 1047c478bd9Sstevel@tonic-gate 1057c478bd9Sstevel@tonic-gate /* 10641791439Sandrei * DEFAULT KERNEL THREAD stack size (in pages). 1077c478bd9Sstevel@tonic-gate */ 1087c478bd9Sstevel@tonic-gate #if defined(__amd64) 10941791439Sandrei #define DEFAULTSTKSZ_NPGS 5 1107c478bd9Sstevel@tonic-gate #elif defined(__i386) 11141791439Sandrei #define DEFAULTSTKSZ_NPGS 2 1127c478bd9Sstevel@tonic-gate #endif 1137c478bd9Sstevel@tonic-gate 11441791439Sandrei #if !defined(_ASM) 11541791439Sandrei #define DEFAULTSTKSZ (DEFAULTSTKSZ_NPGS * PAGESIZE) 11641791439Sandrei #else /* !_ASM */ 11741791439Sandrei #define DEFAULTSTKSZ _MUL(DEFAULTSTKSZ_NPGS, PAGESIZE) /* as(1) lameness */ 11841791439Sandrei #endif /* !_ASM */ 11941791439Sandrei 1207c478bd9Sstevel@tonic-gate /* 1217c478bd9Sstevel@tonic-gate * KERNELBASE is the virtual address at which the kernel segments start in 1227c478bd9Sstevel@tonic-gate * all contexts. 1237c478bd9Sstevel@tonic-gate * 1247c478bd9Sstevel@tonic-gate * KERNELBASE is not fixed on 32-bit systems. The value of KERNELBASE can 1257c478bd9Sstevel@tonic-gate * change with installed memory and the eprom variable 'eprom_kernelbase'. 1267c478bd9Sstevel@tonic-gate * This value is fixed on 64-bit systems. 1277c478bd9Sstevel@tonic-gate * 1287c478bd9Sstevel@tonic-gate * common/conf/param.c requires a compile time defined value for KERNELBASE 1297c478bd9Sstevel@tonic-gate * which it saves in the variable _kernelbase. If kernelbase is modifed on 1307c478bd9Sstevel@tonic-gate * a 32-bit system, _kernelbase will be updated with the new value in 1317c478bd9Sstevel@tonic-gate * i86pc/os/startup.c. 1327c478bd9Sstevel@tonic-gate * 1337c478bd9Sstevel@tonic-gate * i86 and i86pc files use kernelbase instead of KERNELBASE, which is 1347c478bd9Sstevel@tonic-gate * initialized in i86pc/os/startup.c. 1357c478bd9Sstevel@tonic-gate */ 1367c478bd9Sstevel@tonic-gate 1377c478bd9Sstevel@tonic-gate #if defined(__amd64) 1387c478bd9Sstevel@tonic-gate 1397c478bd9Sstevel@tonic-gate #define KERNELBASE ADDRESS_C(0xfffffd8000000000) 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate /* 1427c478bd9Sstevel@tonic-gate * Size of the unmapped "red zone" at the very bottom of the kernel's 1437c478bd9Sstevel@tonic-gate * address space. Corresponds to 1 slot in the toplevel pagetable. 1447c478bd9Sstevel@tonic-gate */ 1457c478bd9Sstevel@tonic-gate #define KERNEL_REDZONE_SIZE ((uintptr_t)1 << 39) 1467c478bd9Sstevel@tonic-gate 1477c478bd9Sstevel@tonic-gate /* 1487c478bd9Sstevel@tonic-gate * Base of 'core' heap area, which is used for kernel and module text/data 1497c478bd9Sstevel@tonic-gate * that must be within a 2GB range to allow for rip-relative addressing. 1507c478bd9Sstevel@tonic-gate * 1517c478bd9Sstevel@tonic-gate * XX64: because vmx and boot cannot be trusted to stay in a 1GB playpen at 1527c478bd9Sstevel@tonic-gate * the bottom of the upper 4GB range, we need to restrict the core heap to 1537c478bd9Sstevel@tonic-gate * the top 1GB for now. 1547c478bd9Sstevel@tonic-gate */ 1557c478bd9Sstevel@tonic-gate #define COREHEAP_BASE ADDRESS_C(0xffffffffc0000000) 1567c478bd9Sstevel@tonic-gate 1577c478bd9Sstevel@tonic-gate /* 1587c478bd9Sstevel@tonic-gate * Beginning of the segkpm window 1597c478bd9Sstevel@tonic-gate */ 1607c478bd9Sstevel@tonic-gate #define SEGKPM_BASE ADDRESS_C(0xfffffe0000000000) 1617c478bd9Sstevel@tonic-gate 1627c478bd9Sstevel@tonic-gate /* 1637c478bd9Sstevel@tonic-gate * default and boundary sizes for segkp 1647c478bd9Sstevel@tonic-gate */ 1657c478bd9Sstevel@tonic-gate #define SEGKPDEFSIZE (2L * 1024L * 1024L * 1024L) /* 2G */ 1667c478bd9Sstevel@tonic-gate #define SEGKPMAXSIZE (8L * 1024L * 1024L * 1024L) /* 8G */ 1677c478bd9Sstevel@tonic-gate #define SEGKPMINSIZE (200L * 1024 * 1024L) /* 200M */ 1687c478bd9Sstevel@tonic-gate 169*ad23a2dbSjohansen /* 170*ad23a2dbSjohansen * minimum size for segzio 171*ad23a2dbSjohansen */ 172*ad23a2dbSjohansen #define SEGZIOMINSIZE (400L * 1024 * 1024L) /* 400M */ 173*ad23a2dbSjohansen 1747c478bd9Sstevel@tonic-gate /* 1757c478bd9Sstevel@tonic-gate * Boot (or, more precisely, vmx) maps most pages twice - once in the 1767c478bd9Sstevel@tonic-gate * bottom 2GB of memory and once in the bottom 2GB of the topmost 4GB. 1777c478bd9Sstevel@tonic-gate * When boot is unmapped this range is available to the kernel, but until 1787c478bd9Sstevel@tonic-gate * then we have to leave it untouched. 1797c478bd9Sstevel@tonic-gate */ 1807c478bd9Sstevel@tonic-gate #define BOOT_DOUBLEMAP_BASE ADDRESS_C(0xffffffff00000000) 1817c478bd9Sstevel@tonic-gate #define BOOT_DOUBLEMAP_SIZE ADDRESS_C(0x80000000) 1827c478bd9Sstevel@tonic-gate 1837c478bd9Sstevel@tonic-gate /* 1847c478bd9Sstevel@tonic-gate * VMWare works best if we don't use the top 64Meg of memory for amd64. 1857c478bd9Sstevel@tonic-gate * Set KERNEL_TEXT to top_o_memory - 64Meg - 8 Meg for 8Meg of nucleus pages. 1867c478bd9Sstevel@tonic-gate */ 1877c478bd9Sstevel@tonic-gate #define PROMSTART ADDRESS_C(0xffc00000) 1887c478bd9Sstevel@tonic-gate #define KERNEL_TEXT ADDRESS_C(0xfffffffffb800000) 1897c478bd9Sstevel@tonic-gate 1907c478bd9Sstevel@tonic-gate /* 1917c478bd9Sstevel@tonic-gate * Define upper limit on user address space 1927c478bd9Sstevel@tonic-gate * 1937c478bd9Sstevel@tonic-gate * In amd64, the upper limit on a 64-bit user address space is 1 large page 1947c478bd9Sstevel@tonic-gate * (2MB) below kernelbase. The upper limit for a 32-bit user address space 1957c478bd9Sstevel@tonic-gate * is 1 small page (4KB) below the top of the 32-bit range. The 64-bit 1967c478bd9Sstevel@tonic-gate * limit give dtrace the red zone it needs below kernelbase. The 32-bit 1977c478bd9Sstevel@tonic-gate * limit gives us a small red zone to detect address-space overruns in a 1987c478bd9Sstevel@tonic-gate * user program. 1997c478bd9Sstevel@tonic-gate */ 2007c478bd9Sstevel@tonic-gate #define USERLIMIT ADDRESS_C(0xfffffd7fffe00000) 2017c478bd9Sstevel@tonic-gate #ifdef bug_5074717_is_fixed 2027c478bd9Sstevel@tonic-gate #define USERLIMIT32 ADDRESS_C(0xfffff000) 2037c478bd9Sstevel@tonic-gate #else 2047c478bd9Sstevel@tonic-gate #define USERLIMIT32 ADDRESS_C(0xfefff000) 2057c478bd9Sstevel@tonic-gate #endif 2067c478bd9Sstevel@tonic-gate 2077c478bd9Sstevel@tonic-gate #elif defined(__i386) 2087c478bd9Sstevel@tonic-gate 2097c478bd9Sstevel@tonic-gate #ifdef DEBUG 2107c478bd9Sstevel@tonic-gate #define KERNELBASE ADDRESS_C(0xc8000000) 2117c478bd9Sstevel@tonic-gate #else 2127c478bd9Sstevel@tonic-gate #define KERNELBASE ADDRESS_C(0xd4000000) 2137c478bd9Sstevel@tonic-gate #endif 2147c478bd9Sstevel@tonic-gate 2157c478bd9Sstevel@tonic-gate #define KERNELBASE_MAX ADDRESS_C(0xe0000000) 2167c478bd9Sstevel@tonic-gate 2177c478bd9Sstevel@tonic-gate /* 2187c478bd9Sstevel@tonic-gate * The i386 ABI requires that the user address space be at least 3Gb 2197c478bd9Sstevel@tonic-gate * in size. KERNELBASE_ABI_MIN is used as the default KERNELBASE for 2207c478bd9Sstevel@tonic-gate * physical memory configurations > 4gb. 2217c478bd9Sstevel@tonic-gate */ 2227c478bd9Sstevel@tonic-gate #define KERNELBASE_ABI_MIN ADDRESS_C(0xc0000000) 2237c478bd9Sstevel@tonic-gate 2247c478bd9Sstevel@tonic-gate /* 2257c478bd9Sstevel@tonic-gate * Size of the unmapped "red zone" at the very bottom of the kernel's 2267c478bd9Sstevel@tonic-gate * address space. Since segmap start immediately above the red zone, this 2277c478bd9Sstevel@tonic-gate * needs to be MAXBSIZE aligned. 2287c478bd9Sstevel@tonic-gate */ 2297c478bd9Sstevel@tonic-gate #define KERNEL_REDZONE_SIZE MAXBSIZE 2307c478bd9Sstevel@tonic-gate 2317c478bd9Sstevel@tonic-gate /* 2327c478bd9Sstevel@tonic-gate * This is the last 4MB of the 4G address space. Some psm modules 2337c478bd9Sstevel@tonic-gate * need this region of virtual address space mapped 1-1 2347c478bd9Sstevel@tonic-gate */ 2357c478bd9Sstevel@tonic-gate #define PROMSTART ADDRESS_C(0xffc00000) 2367c478bd9Sstevel@tonic-gate #define KERNEL_TEXT ADDRESS_C(0xfe800000) 2377c478bd9Sstevel@tonic-gate 2387c478bd9Sstevel@tonic-gate /* 2397c478bd9Sstevel@tonic-gate * Define upper limit on user address space 2407c478bd9Sstevel@tonic-gate */ 2417c478bd9Sstevel@tonic-gate #define USERLIMIT KERNELBASE 2427c478bd9Sstevel@tonic-gate #define USERLIMIT32 USERLIMIT 2437c478bd9Sstevel@tonic-gate 2447c478bd9Sstevel@tonic-gate #endif /* __i386 */ 2457c478bd9Sstevel@tonic-gate 24641791439Sandrei #if !defined(_ASM) && !defined(_KADB) 2477c478bd9Sstevel@tonic-gate extern uintptr_t kernelbase, segkmap_start, segmapsize; 2487c478bd9Sstevel@tonic-gate #endif 2497c478bd9Sstevel@tonic-gate 2507c478bd9Sstevel@tonic-gate /* 2517c478bd9Sstevel@tonic-gate * ARGSBASE is the base virtual address of the range which 2527c478bd9Sstevel@tonic-gate * the kernel uses to map the arguments for exec. 2537c478bd9Sstevel@tonic-gate */ 2547c478bd9Sstevel@tonic-gate #define ARGSBASE PROMSTART 2557c478bd9Sstevel@tonic-gate 2567c478bd9Sstevel@tonic-gate /* 2577c478bd9Sstevel@tonic-gate * reserve space for modules 2587c478bd9Sstevel@tonic-gate */ 2597c478bd9Sstevel@tonic-gate #define MODTEXT (1024 * 1024 * 2) 2607c478bd9Sstevel@tonic-gate #define MODDATA (1024 * 300) 2617c478bd9Sstevel@tonic-gate 2627c478bd9Sstevel@tonic-gate /* 2637c478bd9Sstevel@tonic-gate * The heap has a region allocated from it of HEAPTEXT_SIZE bytes specifically 2647c478bd9Sstevel@tonic-gate * for module text. 2657c478bd9Sstevel@tonic-gate */ 2667c478bd9Sstevel@tonic-gate #define HEAPTEXT_SIZE (64 * 1024 * 1024) /* bytes */ 2677c478bd9Sstevel@tonic-gate 2687c478bd9Sstevel@tonic-gate /* 2697c478bd9Sstevel@tonic-gate * Size of a kernel threads stack. It must be a whole number of pages 2707c478bd9Sstevel@tonic-gate * since the segment it comes from will only allocate space in pages. 2717c478bd9Sstevel@tonic-gate */ 2727c478bd9Sstevel@tonic-gate #define T_STACKSZ 2*PAGESIZE 2737c478bd9Sstevel@tonic-gate 2747c478bd9Sstevel@tonic-gate /* 2757c478bd9Sstevel@tonic-gate * Size of a cpu startup thread stack. (It must be a whole number of pages 2767c478bd9Sstevel@tonic-gate * since the containing segment only allocates space in pages.) 2777c478bd9Sstevel@tonic-gate */ 2787c478bd9Sstevel@tonic-gate 2797c478bd9Sstevel@tonic-gate #define STARTUP_STKSZ 3*PAGESIZE 2807c478bd9Sstevel@tonic-gate 2817c478bd9Sstevel@tonic-gate /* 2827c478bd9Sstevel@tonic-gate * Bus types 2837c478bd9Sstevel@tonic-gate */ 2847c478bd9Sstevel@tonic-gate #define BTISA 1 2857c478bd9Sstevel@tonic-gate #define BTEISA 2 2867c478bd9Sstevel@tonic-gate #define BTMCA 3 2877c478bd9Sstevel@tonic-gate 2887c478bd9Sstevel@tonic-gate #ifdef __cplusplus 2897c478bd9Sstevel@tonic-gate } 2907c478bd9Sstevel@tonic-gate #endif 2917c478bd9Sstevel@tonic-gate 2927c478bd9Sstevel@tonic-gate #endif /* _SYS_MACHPARAM_H */ 293