30 lines
750 B
C
Executable file
30 lines
750 B
C
Executable file
// SPDX-License-Identifier: GPL-2.0
|
|
/*
|
|
* Copyright (C) 2016 MediaTek Inc.
|
|
*/
|
|
|
|
#include <linux/ptrace.h>
|
|
#include <asm/stacktrace.h>
|
|
#include <asm/system_misc.h>
|
|
|
|
#include <mt-plat/mrdump.h>
|
|
#include "mrdump_private.h"
|
|
|
|
void mrdump_save_control_register(void *creg)
|
|
{
|
|
struct aarch64_ctrl_regs *cregs = (struct aarch64_ctrl_regs *)creg;
|
|
u64 tmp;
|
|
|
|
asm volatile ("mrs %0, sctlr_el1\n\t"
|
|
"mrs %1, tcr_el1\n\t"
|
|
"mrs %2, ttbr0_el1\n\t"
|
|
"mrs %3, ttbr1_el1\n\t"
|
|
"mrs %4, sp_el0\n\t"
|
|
"mov %5, sp\n\t"
|
|
: "=&r"(tmp), "=r"(cregs->tcr_el1),
|
|
"=r"(cregs->ttbr0_el1), "=r"(cregs->ttbr1_el1),
|
|
"=r"(cregs->sp_el[0]), "=r"(cregs->sp_el[1])
|
|
: : "memory");
|
|
cregs->sctlr_el1 = (uint64_t) tmp;
|
|
}
|