/*
* Copyright (c) 2012-2021 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
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*/
#include <debug.h>
#include <mach/mach_types.h>
#include <mach/kern_return.h>
#include <mach/thread_status.h>
#include <kern/thread.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_user_saved_state_lr(saved_state, ts32->lr);
set_saved_state_sp(saved_state, ts32->sp);
set_user_saved_state_pc(saved_state, ts32->pc);
#if defined(__arm64__)
set_user_saved_state_cpsr(saved_state, (ts32->cpsr & ~PSR64_MODE_MASK) | PSR64_MODE_RW_32);
#else
#error Unknown architecture.
#endif
for (i = 0; i < 13; i++) {
set_user_saved_state_reg(saved_state, i, ts32->r[i]);
}
}