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32 lines
783 B
32 lines
783 B
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (C) 2015-2018 - ARM Ltd |
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* Author: Marc Zyngier <marc.zyngier@arm.com> |
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*/ |
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#include <linux/arm-smccc.h> |
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#include <linux/linkage.h> |
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#include <asm/kvm_asm.h> |
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#include <asm/kvm_mmu.h> |
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/* |
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* This is not executed directly and is instead copied into the vectors |
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* by install_bp_hardening_cb(). |
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*/ |
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.data |
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.pushsection .rodata |
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.global __smccc_workaround_1_smc |
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SYM_DATA_START(__smccc_workaround_1_smc) |
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esb |
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sub sp, sp, #(8 * 4) |
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stp x2, x3, [sp, #(8 * 0)] |
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stp x0, x1, [sp, #(8 * 2)] |
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mov w0, #ARM_SMCCC_ARCH_WORKAROUND_1 |
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smc #0 |
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ldp x2, x3, [sp, #(8 * 0)] |
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ldp x0, x1, [sp, #(8 * 2)] |
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add sp, sp, #(8 * 4) |
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1: .org __smccc_workaround_1_smc + __SMCCC_WORKAROUND_1_SMC_SZ |
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.org 1b |
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SYM_DATA_END(__smccc_workaround_1_smc)
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