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/* SPDX-License-Identifier: GPL-2.0-only */
/* SPDX-FileCopyrightText: 2015 Linaro Limited */
#include <linux/linkage.h>
#include <asm/unwind.h>
.arch_extension sec
.arch_extension virt
.arm
/*
* Wrap c macros in asm macros to delay expansion until after the
* SMCCC asm macro is expanded.
*/
.macro SMCCC_SMC
smc #0
.endm
.macro SMCCC_HVC
hvc #0
.endm
.macro SMCCC instr
UNWIND( .fnstart)
mov r12, sp
push {r4-r7}
UNWIND( .save {r4-r7})
ldm r12, {r4-r7}
\instr
pop {r4-r7}
ldr r12, [sp, #(4 * 4)]
stm r12, {r0-r3}
bx lr
UNWIND( .fnend)
.endm
/*
* void __smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2,
* unsigned long a3, unsigned long a4, unsigned long a5,
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
ENTRY(__arm_smccc_smc)
SMCCC SMCCC_SMC
ENDPROC(__arm_smccc_smc)
/*
* void __smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2,
* unsigned long a3, unsigned long a4, unsigned long a5,
* unsigned long a6, unsigned long a7, struct arm_smccc_res *res,
* struct arm_smccc_quirk *quirk)
*/
ENTRY(__arm_smccc_hvc)
SMCCC SMCCC_HVC
ENDPROC(__arm_smccc_hvc)
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