/* * Copyright (c) 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 * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * 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, * 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_OSREFERENCE_LICENSE_HEADER_END@ */ #include <debug.h> #include <mach/mach_types.h> #include <mach/kern_return.h> #include <mach/thread_status.h> #include <kern/thread.h> #include <kern/kalloc.h> #include <arm/vmparam.h> #include <arm/cpu_data_internal.h> /* * Copy values from saved_state to ts32. */ void saved_state_to_thread_state32(const arm_saved_state_t *saved_state, arm_thread_state32_t *ts32) { uint32_t i; assert(is_saved_state32(saved_state)); ts32->lr = (uint32_t)get_saved_state_lr(saved_state); ts32->sp = (uint32_t)get_saved_state_sp(saved_state); ts32->pc = (uint32_t)get_saved_state_pc(saved_state); ts32->cpsr = get_saved_state_cpsr(saved_state); for (i = 0; i < 13; i++) { ts32->r[i] = (uint32_t)get_saved_state_reg(saved_state, i); } } /* * Copy values from ts32 to saved_state. */ void thread_state32_to_saved_state(const arm_thread_state32_t *ts32, arm_saved_state_t *saved_state) { uint32_t i; assert(is_saved_state32(saved_state)); set_saved_state_lr(saved_state, ts32->lr); set_saved_state_sp(saved_state, ts32->sp); set_saved_state_pc(saved_state, ts32->pc); #if defined(__arm64__) set_saved_state_cpsr(saved_state, (ts32->cpsr & ~PSR64_MODE_MASK) | PSR64_MODE_RW_32); #elif defined(__arm__) set_saved_state_cpsr(saved_state, (ts32->cpsr & ~PSR_USER_MASK) | (ts32->cpsr & PSR_USER_MASK)); #else #error Unknown architecture. #endif for (i = 0; i < 13; i++) { set_saved_state_reg(saved_state, i, ts32->r[i]); } }