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45 lines
1.2 KiB
45 lines
1.2 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
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/* |
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* Copyright (c) 2015, Linaro Limited |
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*/ |
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#include <linux/linkage.h> |
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#include <linux/arm-smccc.h> |
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#include <asm/asm-offsets.h> |
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#include <asm/assembler.h> |
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.macro SMCCC instr |
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\instr #0 |
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ldr x4, [sp] |
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stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] |
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stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] |
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ldr x4, [sp, #8] |
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cbz x4, 1f /* no quirk structure */ |
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ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] |
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cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 |
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b.ne 1f |
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str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] |
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1: ret |
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.endm |
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/* |
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* void arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, |
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* unsigned long a3, unsigned long a4, unsigned long a5, |
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* unsigned long a6, unsigned long a7, struct arm_smccc_res *res, |
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* struct arm_smccc_quirk *quirk) |
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*/ |
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SYM_FUNC_START(__arm_smccc_smc) |
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SMCCC smc |
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SYM_FUNC_END(__arm_smccc_smc) |
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EXPORT_SYMBOL(__arm_smccc_smc) |
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/* |
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* void arm_smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, |
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* unsigned long a3, unsigned long a4, unsigned long a5, |
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* unsigned long a6, unsigned long a7, struct arm_smccc_res *res, |
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* struct arm_smccc_quirk *quirk) |
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*/ |
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SYM_FUNC_START(__arm_smccc_hvc) |
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SMCCC hvc |
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SYM_FUNC_END(__arm_smccc_hvc) |
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EXPORT_SYMBOL(__arm_smccc_hvc)
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