* Copyright (c) 2000-2012 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
- *
+ *
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
- *
+ *
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
- *
+ *
* The Original Code and all software distributed under the License are
* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
* Please see the License for the specific language governing rights and
* limitations under the License.
- *
+ *
* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
*/
-/*
+/*
* Mach Operating System
* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University
* All Rights Reserved.
- *
+ *
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
- *
+ *
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
- *
+ *
* Carnegie Mellon requests users of this software to return to
- *
+ *
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
- *
+ *
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*/
-/*
+/*
* Copyright (c) 1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
* them.
*/
-#ifndef _MACH_I386_VM_PARAM_H_
+#ifndef _MACH_I386_VM_PARAM_H_
#define _MACH_I386_VM_PARAM_H_
-#define BYTE_SIZE 8 /* byte size in bits */
+#define BYTE_SIZE 8 /* byte size in bits */
-#define I386_PGBYTES 4096 /* bytes per 80386 page */
-#define I386_PGSHIFT 12 /* bitshift for pages */
+#define I386_PGBYTES 4096 /* bytes per 80386 page */
+#define I386_PGSHIFT 12 /* bitshift for pages */
-#define PAGE_SIZE I386_PGBYTES
-#define PAGE_SHIFT I386_PGSHIFT
-#define PAGE_MASK (PAGE_SIZE - 1)
+#define PAGE_SIZE I386_PGBYTES
+#define PAGE_SHIFT I386_PGSHIFT
+#define PAGE_MASK (PAGE_SIZE - 1)
#define PAGE_MAX_SHIFT PAGE_SHIFT
#define PAGE_MAX_SIZE PAGE_SIZE
#define PAGE_MIN_SIZE PAGE_SIZE
#define PAGE_MIN_MASK PAGE_MASK
-#define I386_LPGBYTES 2*1024*1024 /* bytes per large page */
-#define I386_LPGSHIFT 21 /* bitshift for large pages */
-#define I386_LPGMASK (I386_LPGBYTES-1)
+#define I386_LPGBYTES 2*1024*1024 /* bytes per large page */
+#define I386_LPGSHIFT 21 /* bitshift for large pages */
+#define I386_LPGMASK (I386_LPGBYTES-1)
/*
* Convert bytes to pages and convert pages to bytes.
* No rounding is used.
*/
-#define i386_btop(x) ((ppnum_t)((x) >> I386_PGSHIFT))
-#define machine_btop(x) i386_btop(x)
-#define i386_ptob(x) (((pmap_paddr_t)(x)) << I386_PGSHIFT)
-#define machine_ptob(x) i386_ptob(x)
+#define i386_btop(x) ((ppnum_t)((x) >> I386_PGSHIFT))
+#define machine_btop(x) i386_btop(x)
+#define i386_ptob(x) (((pmap_paddr_t)(x)) << I386_PGSHIFT)
+#define machine_ptob(x) i386_ptob(x)
/*
* Round off or truncate to the nearest page. These will work
* bytes.
*/
-#define i386_round_page(x) ((((pmap_paddr_t)(x)) + I386_PGBYTES - 1) & \
- ~(I386_PGBYTES-1))
-#define i386_trunc_page(x) (((pmap_paddr_t)(x)) & ~(I386_PGBYTES-1))
+#define i386_round_page(x) ((((pmap_paddr_t)(x)) + I386_PGBYTES - 1) & \
+ ~(I386_PGBYTES-1))
+#define i386_trunc_page(x) (((pmap_paddr_t)(x)) & ~(I386_PGBYTES-1))
-#define VM_MIN_ADDRESS64 ((user_addr_t) 0x0000000000000000ULL)
+#define VM_MIN_ADDRESS64 ((user_addr_t) 0x0000000000000000ULL)
/*
* default top of user stack... it grows down from here
*/
-#define VM_USRSTACK64 ((user_addr_t) 0x00007FFF5FC00000ULL)
-#define VM_DYLD64 ((user_addr_t) 0x00007FFF5FC00000ULL)
-#define VM_LIB64_SHR_DATA ((user_addr_t) 0x00007FFF60000000ULL)
-#define VM_LIB64_SHR_TEXT ((user_addr_t) 0x00007FFF80000000ULL)
+#define VM_USRSTACK64 ((user_addr_t) 0x00007FFEEFC00000ULL)
+
+/*
+ * XXX TODO: Obsolete?
+ */
+#define VM_DYLD64 ((user_addr_t) 0x00007FFF5FC00000ULL)
+#define VM_LIB64_SHR_DATA ((user_addr_t) 0x00007FFF60000000ULL)
+#define VM_LIB64_SHR_TEXT ((user_addr_t) 0x00007FFF80000000ULL)
/*
* the end of the usable user address space , for now about 47 bits.
* the 64 bit commpage is past the end of this
*/
-#define VM_MAX_PAGE_ADDRESS ((user_addr_t) 0x00007FFFFFE00000ULL)
+#define VM_MAX_PAGE_ADDRESS ((user_addr_t) 0x00007FFFFFE00000ULL)
/*
* canonical end of user address space for limits checking
*/
/* system-wide values */
-#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
-#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)
+#define MACH_VM_MIN_ADDRESS ((mach_vm_offset_t) 0)
+#define MACH_VM_MAX_ADDRESS ((mach_vm_offset_t) VM_MAX_PAGE_ADDRESS)
/* process-relative values (all 32-bit legacy only for now) */
-#define VM_MIN_ADDRESS ((vm_offset_t) 0)
-#define VM_USRSTACK32 ((vm_offset_t) 0xC0000000) /* ASLR slides stack down by up to 1 MB */
-#define VM_MAX_ADDRESS ((vm_offset_t) 0xFFE00000)
+#define VM_MIN_ADDRESS ((vm_offset_t) 0)
+#define VM_USRSTACK32 ((vm_offset_t) 0xC0000000) /* ASLR slides stack down by up to 1 MB */
+#define VM_MAX_ADDRESS ((vm_offset_t) 0xFFE00000)
-#ifdef KERNEL_PRIVATE
+#ifdef KERNEL_PRIVATE
#define TEST_PAGE_SIZE_16K FALSE
#define TEST_PAGE_SIZE_4K TRUE
/* Kernel-wide values */
-
-#define KB (1024ULL)
-#define MB (1024*KB)
-#define GB (1024*MB)
+#define KB (1024ULL)
+#define MB (1024*KB)
+#define GB (1024*MB)
/*
* Maximum physical memory supported.
*/
-#define K32_MAXMEM (32*GB)
-#define K64_MAXMEM (252*GB)
-#define KERNEL_MAXMEM K64_MAXMEM
+#define K32_MAXMEM (32*GB)
+#define K64_MAXMEM (1536*GB)
+#define KERNEL_MAXMEM K64_MAXMEM
/*
* XXX
#define KERNEL_IMAGE_TO_PHYS(x) (x)
-#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0xFFFFFF8000000000UL)
-#define VM_MIN_KERNEL_PAGE ((ppnum_t)0)
-#define VM_MIN_KERNEL_AND_KEXT_ADDRESS (VM_MIN_KERNEL_ADDRESS - 0x80000000ULL)
-#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xFFFFFFFFFFFFEFFFUL)
-#define VM_MAX_KERNEL_ADDRESS_EFI32 ((vm_offset_t) 0xFFFFFF80FFFFEFFFUL)
+#define VM_KERNEL_POINTER_SIGNIFICANT_BITS 39
+#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t) 0xFFFFFF8000000000UL)
+#define VM_MIN_KERNEL_PAGE ((ppnum_t)0)
+#define VM_MIN_KERNEL_AND_KEXT_ADDRESS (VM_MIN_KERNEL_ADDRESS - 0x80000000ULL)
+#define VM_MAX_KERNEL_ADDRESS ((vm_offset_t) 0xFFFFFFFFFFFFEFFFUL)
+#define VM_MAX_KERNEL_ADDRESS_EFI32 ((vm_offset_t) 0xFFFFFF80FFFFEFFFUL)
#define KEXT_ALLOC_MAX_OFFSET (2 * 1024 * 1024 * 1024UL)
#define KEXT_ALLOC_BASE(x) ((x) - KEXT_ALLOC_MAX_OFFSET)
#define KEXT_ALLOC_SIZE(x) (KEXT_ALLOC_MAX_OFFSET - (x))
+#define VM_KERNEL_STRIP_PTR(_v) (_v)
-#define KERNEL_STACK_SIZE (I386_PGBYTES*4)
+#define VM_KERNEL_ADDRESS(va) ((((vm_address_t)(va))>=VM_MIN_KERNEL_AND_KEXT_ADDRESS) && \
+ (((vm_address_t)(va))<=VM_MAX_KERNEL_ADDRESS))
-#define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS
-#define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS
+#define VM_MAP_MIN_ADDRESS MACH_VM_MIN_ADDRESS
+#define VM_MAP_MAX_ADDRESS MACH_VM_MAX_ADDRESS
/* FIXME - always leave like this? */
-#define INTSTACK_SIZE (I386_PGBYTES*4)
-
-#ifdef MACH_KERNEL_PRIVATE
+#if KASAN
+/* Increase the stack sizes to account for the redzones that get added to every
+ * stack object. */
+# define INTSTACK_SIZE (I386_PGBYTES*4*4)
+# define KERNEL_STACK_SIZE (I386_PGBYTES*4*4)
+#elif DEBUG
+# define INTSTACK_SIZE (I386_PGBYTES*4)
+# define KERNEL_STACK_SIZE (I386_PGBYTES*6)
+#else
+# define INTSTACK_SIZE (I386_PGBYTES*4)
+# define KERNEL_STACK_SIZE (I386_PGBYTES*4)
+#endif
+
+#ifdef MACH_KERNEL_PRIVATE
/* For implementing legacy 32-bit interfaces */
-#define VM32_SUPPORT 1
-#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
-#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
+#define VM32_SUPPORT 1
+#define VM32_MIN_ADDRESS ((vm32_offset_t) 0)
+#define VM32_MAX_ADDRESS ((vm32_offset_t) (VM_MAX_PAGE_ADDRESS & 0xFFFFFFFF))
/*
* kalloc() parameters:
*/
-#define KALLOC_MINSIZE 16 /* minimum allocation size */
-#define KALLOC_LOG2_MINALIGN 4 /* log2 minimum alignment */
+#define KALLOC_MINSIZE 16 /* minimum allocation size */
+#define KALLOC_LOG2_MINALIGN 4 /* log2 minimum alignment */
-#define LINEAR_KERNEL_ADDRESS ((vm_offset_t) 0x00000000)
+#define LINEAR_KERNEL_ADDRESS ((vm_offset_t) 0x00000000)
-#define VM_MIN_KERNEL_LOADED_ADDRESS ((vm_offset_t) 0xFFFFFF8000000000UL)
-#define VM_MAX_KERNEL_LOADED_ADDRESS ((vm_offset_t) 0xFFFFFF801FFFFFFFUL)
+#define VM_MIN_KERNEL_LOADED_ADDRESS ((vm_offset_t) 0xFFFFFF8000000000UL)
+#define VM_MAX_KERNEL_LOADED_ADDRESS ((vm_offset_t) 0xFFFFFF801FFFFFFFUL)
#define NCOPY_WINDOWS 0
* Conversion between 80386 pages and VM pages
*/
-#define trunc_i386_to_vm(p) (atop(trunc_page(i386_ptob(p))))
-#define round_i386_to_vm(p) (atop(round_page(i386_ptob(p))))
-#define vm_to_i386(p) (i386_btop(ptoa(p)))
+#define trunc_i386_to_vm(p) (atop(trunc_page(i386_ptob(p))))
+#define round_i386_to_vm(p) (atop(round_page(i386_ptob(p))))
+#define vm_to_i386(p) (i386_btop(ptoa(p)))
-#define PMAP_SET_CACHE_ATTR(mem, object, cache_attr, batch_pmap_op) \
- MACRO_BEGIN \
- pmap_set_cache_attributes(VM_PAGE_GET_PHYS_PAGE(mem), (cache_attr)); \
- (object)->set_cache_attr = TRUE; \
- (void) batch_pmap_op; \
- MACRO_END
+#define PMAP_SET_CACHE_ATTR(mem, object, cache_attr, batch_pmap_op) \
+ MACRO_BEGIN \
+ pmap_set_cache_attributes(VM_PAGE_GET_PHYS_PAGE(mem), (cache_attr)); \
+ (object)->set_cache_attr = TRUE; \
+ (void) batch_pmap_op; \
+ MACRO_END
-#define PMAP_BATCH_SET_CACHE_ATTR(object, user_page_list, cache_attr, num_pages, batch_pmap_op)\
- MACRO_BEGIN \
- (void) user_page_list; \
- (void) num_pages; \
- (void) batch_pmap_op; \
+#define PMAP_BATCH_SET_CACHE_ATTR(object, user_page_list, cache_attr, num_pages, batch_pmap_op) \
+ MACRO_BEGIN \
+ (void) user_page_list; \
+ (void) num_pages; \
+ (void) batch_pmap_op; \
MACRO_END
-#define IS_USERADDR64_CANONICAL(addr) \
- ((addr) < (VM_MAX_USER_PAGE_ADDRESS + PAGE_SIZE))
+#define IS_USERADDR64_CANONICAL(addr) \
+ ((addr) < (VM_MAX_USER_PAGE_ADDRESS))
-#endif /* MACH_KERNEL_PRIVATE */
+#endif /* MACH_KERNEL_PRIVATE */
-#endif /* KERNEL_PRIVATE */
+#endif /* KERNEL_PRIVATE */
-#endif /* _MACH_I386_VM_PARAM_H_ */
+#endif /* _MACH_I386_VM_PARAM_H_ */
projects / apple / xnu.git / blobdiff