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