projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 5ba3f43e A |
1 | /* |
| 2 | * Copyright (c) 2012 Apple Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ | |
| 5 | * | |
| 6 | * This file contains Original Code and/or Modifications of Original Code | |
| 7 | * as defined in and that are subject to the Apple Public Source License | |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in | |
| 9 | * compliance with the License. The rights granted to you under the License | |
| 10 | * may not be used to create, or enable the creation or redistribution of, | |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to | |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any | |
| 13 | * terms of an Apple operating system software license agreement. | |
| 14 | * | |
| 15 | * Please obtain a copy of the License at | |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. | |
| 17 | * | |
| 18 | * The Original Code and all software distributed under the License are | |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER | |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, | |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. | |
| 23 | * Please see the License for the specific language governing rights and | |
| 24 | * limitations under the License. | |
| 25 | * | |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ | |
| 27 | */ | |
| 28 | #include <debug.h> | |
| 29 | #include <mach/mach_types.h> | |
| 30 | #include <mach/kern_return.h> | |
| 31 | #include <mach/thread_status.h> | |
| 32 | #include <kern/thread.h> | |
| 33 | #include <kern/kalloc.h> | |
| 34 | #include <arm/vmparam.h> | |
| 35 | #include <arm/cpu_data_internal.h> | |
| 36 | ||
| 37 | /* | |
| 38 | * Copy values from saved_state to ts32. | |
| 39 | */ | |
| 40 | void | |
| 41 | saved_state_to_thread_state32(const arm_saved_state_t *saved_state, arm_thread_state32_t *ts32) | |
| 42 | { | |
| 43 | uint32_t i; | |
| 44 | ||
| 45 | assert(is_saved_state32(saved_state)); | |
| 46 | ||
| 47 | ts32->lr = (uint32_t)get_saved_state_lr(saved_state); | |
| 48 | ts32->sp = (uint32_t)get_saved_state_sp(saved_state); | |
| 49 | ts32->pc = (uint32_t)get_saved_state_pc(saved_state); | |
| 50 | ts32->cpsr = get_saved_state_cpsr(saved_state); | |
| 51 | for (i = 0; i < 13; i++) | |
| 52 | ts32->r[i] = (uint32_t)get_saved_state_reg(saved_state, i); | |
| 53 | } | |
| 54 | ||
| 55 | /* | |
| 56 | * Copy values from ts32 to saved_state. | |
| 57 | */ | |
| 58 | void | |
| 59 | thread_state32_to_saved_state(const arm_thread_state32_t *ts32, arm_saved_state_t *saved_state) | |
| 60 | { | |
| 61 | uint32_t i; | |
| 62 | ||
| 63 | assert(is_saved_state32(saved_state)); | |
| 64 | ||
| 65 | set_saved_state_lr(saved_state, ts32->lr); | |
| 66 | set_saved_state_sp(saved_state, ts32->sp); | |
| 67 | set_saved_state_pc(saved_state, ts32->pc); | |
| 68 | ||
| 69 | #if defined(__arm64__) | |
| 70 | set_saved_state_cpsr(saved_state, (ts32->cpsr & ~PSR64_MODE_MASK) | PSR64_MODE_RW_32); | |
| 71 | #elif defined(__arm__) | |
| 72 | set_saved_state_cpsr(saved_state, (ts32->cpsr & ~PSR_USER_MASK) | (ts32->cpsr & PSR_USER_MASK)); | |
| 73 | #else | |
| 74 | #error Unknown architecture. | |
| 75 | #endif | |
| 76 | ||
| 77 | for (i = 0; i < 13; i++) | |
| 78 | set_saved_state_reg(saved_state, i, ts32->r[i]); | |
| 79 | } | |
| 80 | ||
| 81 |