shared_region.h   [plain text]

/*
 * Copyright (c) 2007 Apple Inc. All rights reserved.
 *
 * @APPLE_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
 * compliance with the License. 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,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * 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_LICENSE_HEADER_END@
 */
/*
 *
 *	File: mach/shared_region.h
 *
 *      protos and struct definitions for shared region
 */

#ifndef _MACH_SHARED_REGION_H_
#define _MACH_SHARED_REGION_H_

#include <sys/cdefs.h>
#include <mach/vm_prot.h>
#include <mach/vm_types.h>
#include <mach/mach_types.h>

#define SHARED_REGION_BASE_I386                 0x90000000ULL
#define SHARED_REGION_SIZE_I386                 0x20000000ULL
#define SHARED_REGION_NESTING_BASE_I386         0x90000000ULL
#define SHARED_REGION_NESTING_SIZE_I386         0x20000000ULL
#define SHARED_REGION_NESTING_MIN_I386          0x00200000ULL
#define SHARED_REGION_NESTING_MAX_I386          0xFFE00000ULL

#define SHARED_REGION_BASE_X86_64               0x00007FFF00000000ULL
#define SHARED_REGION_SIZE_X86_64               0x00000000FFE00000ULL
#define SHARED_REGION_NESTING_BASE_X86_64       0x00007FFF00000000ULL
#define SHARED_REGION_NESTING_SIZE_X86_64       0x00000000FFE00000ULL
#define SHARED_REGION_NESTING_MIN_X86_64        0x0000000000200000ULL
#define SHARED_REGION_NESTING_MAX_X86_64        0xFFFFFFFFFFE00000ULL

#define SHARED_REGION_BASE_PPC                  0x90000000ULL
#define SHARED_REGION_SIZE_PPC                  0x20000000ULL
#define SHARED_REGION_NESTING_BASE_PPC          0x90000000ULL
#define SHARED_REGION_NESTING_SIZE_PPC          0x10000000ULL
#define SHARED_REGION_NESTING_MIN_PPC           0x10000000ULL
#define SHARED_REGION_NESTING_MAX_PPC           0x10000000ULL

#define SHARED_REGION_BASE_PPC64                0x00007FFF60000000ULL
#define SHARED_REGION_SIZE_PPC64                0x00000000A0000000ULL
#define SHARED_REGION_NESTING_BASE_PPC64        0x00007FFF60000000ULL
#define SHARED_REGION_NESTING_SIZE_PPC64        0x00000000A0000000ULL
#define SHARED_REGION_NESTING_MIN_PPC64         0x0000000010000000ULL
#define SHARED_REGION_NESTING_MAX_PPC64         0x0000000010000000ULL

#define SHARED_REGION_BASE_ARM                  0x40000000ULL
#define SHARED_REGION_SIZE_ARM                  0x40000000ULL
#define SHARED_REGION_NESTING_BASE_ARM          0x40000000ULL
#define SHARED_REGION_NESTING_SIZE_ARM          0x40000000ULL
#define SHARED_REGION_NESTING_MIN_ARM           ?
#define SHARED_REGION_NESTING_MAX_ARM           ?

#define SHARED_REGION_BASE_ARM64_32             0x1A000000ULL
#define SHARED_REGION_SIZE_ARM64_32             0x40000000ULL
#define SHARED_REGION_NESTING_BASE_ARM64_32     0x1A000000ULL
#define SHARED_REGION_NESTING_SIZE_ARM64_32     0x40000000ULL
#define SHARED_REGION_NESTING_MIN_ARM64_32      ?
#define SHARED_REGION_NESTING_MAX_ARM64_32      ?

#ifdef XNU_KERNEL_PRIVATE
/* ARM64_TODO: move to higher memory */
#endif
#define SHARED_REGION_BASE_ARM64                0x180000000ULL
#define SHARED_REGION_SIZE_ARM64                0x100000000ULL
#define SHARED_REGION_NESTING_BASE_ARM64        0x180000000ULL
#define SHARED_REGION_NESTING_SIZE_ARM64        0x100000000ULL
#define SHARED_REGION_NESTING_MIN_ARM64         ?
#define SHARED_REGION_NESTING_MAX_ARM64         ?

#if defined(__i386__)
#define SHARED_REGION_BASE                      SHARED_REGION_BASE_I386
#define SHARED_REGION_SIZE                      SHARED_REGION_SIZE_I386
#define SHARED_REGION_NESTING_BASE              SHARED_REGION_NESTING_BASE_I386
#define SHARED_REGION_NESTING_SIZE              SHARED_REGION_NESTING_SIZE_I386
#define SHARED_REGION_NESTING_MIN               SHARED_REGION_NESTING_MIN_I386
#define SHARED_REGION_NESTING_MAX               SHARED_REGION_NESTING_MAX_I386
#elif defined(__x86_64__)
#define SHARED_REGION_BASE                      SHARED_REGION_BASE_X86_64
#define SHARED_REGION_SIZE                      SHARED_REGION_SIZE_X86_64
#define SHARED_REGION_NESTING_BASE              SHARED_REGION_NESTING_BASE_X86_64
#define SHARED_REGION_NESTING_SIZE              SHARED_REGION_NESTING_SIZE_X86_64
#define SHARED_REGION_NESTING_MIN               SHARED_REGION_NESTING_MIN_X86_64
#define SHARED_REGION_NESTING_MAX               SHARED_REGION_NESTING_MAX_X86_64
#elif defined(__arm__)
#define SHARED_REGION_BASE                      SHARED_REGION_BASE_ARM
#define SHARED_REGION_SIZE                      SHARED_REGION_SIZE_ARM
#define SHARED_REGION_NESTING_BASE              SHARED_REGION_NESTING_BASE_ARM
#define SHARED_REGION_NESTING_SIZE              SHARED_REGION_NESTING_SIZE_ARM
#define SHARED_REGION_NESTING_MIN               SHARED_REGION_NESTING_MIN_ARM
#define SHARED_REGION_NESTING_MAX               SHARED_REGION_NESTING_MAX_ARM
#elif defined(__arm64__) && !defined(__LP64__)
#define SHARED_REGION_BASE                      SHARED_REGION_BASE_ARM64_32
#define SHARED_REGION_SIZE                      SHARED_REGION_SIZE_ARM64_32
#define SHARED_REGION_NESTING_BASE              SHARED_REGION_NESTING_BASE_ARM64_32
#define SHARED_REGION_NESTING_SIZE              SHARED_REGION_NESTING_SIZE_ARM64_32
#define SHARED_REGION_NESTING_MIN               SHARED_REGION_NESTING_MIN_ARM64_32
#define SHARED_REGION_NESTING_MAX               SHARED_REGION_NESTING_MAX_ARM64_32
#elif defined(__arm64__) && defined(__LP64__)
#define SHARED_REGION_BASE                      SHARED_REGION_BASE_ARM64
#define SHARED_REGION_SIZE                      SHARED_REGION_SIZE_ARM64
#define SHARED_REGION_NESTING_BASE              SHARED_REGION_NESTING_BASE_ARM64
#define SHARED_REGION_NESTING_SIZE              SHARED_REGION_NESTING_SIZE_ARM64
#define SHARED_REGION_NESTING_MIN               SHARED_REGION_NESTING_MIN_ARM64
#define SHARED_REGION_NESTING_MAX               SHARED_REGION_NESTING_MAX_ARM64
#endif

#ifdef KERNEL_PRIVATE

/*
 * This is routine sets  the current source of power.
 * Arguments:
 * 0 if it is external source (connected to power )
 * 1 if it is internal power source ie battery
 */

void post_sys_powersource(int);

#endif /* KERNEL_PRIVATE */
/*
 * All shared_region_* declarations are a private interface
 * between dyld and the kernel.
 *
 */
struct shared_file_mapping_np {
	mach_vm_address_t       sfm_address;
	mach_vm_size_t          sfm_size;
	mach_vm_offset_t        sfm_file_offset;
	vm_prot_t               sfm_max_prot;
	vm_prot_t               sfm_init_prot;
};
#define VM_PROT_COW  0x8  /* must not interfere with normal prot assignments */
#define VM_PROT_ZF  0x10  /* must not interfere with normal prot assignments */
#define VM_PROT_SLIDE  0x20  /* must not interfere with normal prot assignments */

#ifndef KERNEL

__BEGIN_DECLS
int     shared_region_check_np(uint64_t *startaddress);
int     shared_region_map_np(int fd,
    uint32_t mappingCount,
    const struct shared_file_mapping_np *mappings);
int     shared_region_slide_np(void);
__END_DECLS

#endif /* !KERNEL */

#endif /* _MACH_SHARED_REGION_H_ */