183d290c5STom Rini/* SPDX-License-Identifier: GPL-2.0 */ 2c2da86f3SMasahiro Yamada/* 3c2da86f3SMasahiro Yamada * Copyright (c) 2015, Linaro Limited 4c2da86f3SMasahiro Yamada */ 5c2da86f3SMasahiro Yamada#include <linux/linkage.h> 6c2da86f3SMasahiro Yamada#include <linux/arm-smccc.h> 7c54bcf68SMasahiro Yamada#include <generated/asm-offsets.h> 8c2da86f3SMasahiro Yamada 9*81ea0083SHeinrich Schuchardt .section .text.efi_runtime 10*81ea0083SHeinrich Schuchardt 11c2da86f3SMasahiro Yamada .macro SMCCC instr 12c2da86f3SMasahiro Yamada .cfi_startproc 13c2da86f3SMasahiro Yamada \instr #0 14c2da86f3SMasahiro Yamada ldr x4, [sp] 15c2da86f3SMasahiro Yamada stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] 16c2da86f3SMasahiro Yamada stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] 17c2da86f3SMasahiro Yamada ldr x4, [sp, #8] 18c2da86f3SMasahiro Yamada cbz x4, 1f /* no quirk structure */ 19c2da86f3SMasahiro Yamada ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] 20c2da86f3SMasahiro Yamada cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 21c2da86f3SMasahiro Yamada b.ne 1f 22c2da86f3SMasahiro Yamada str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] 23c2da86f3SMasahiro Yamada1: ret 24c2da86f3SMasahiro Yamada .cfi_endproc 25c2da86f3SMasahiro Yamada .endm 26c2da86f3SMasahiro Yamada 27c2da86f3SMasahiro Yamada/* 28c2da86f3SMasahiro Yamada * void arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, 29c2da86f3SMasahiro Yamada * unsigned long a3, unsigned long a4, unsigned long a5, 30c2da86f3SMasahiro Yamada * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 31c2da86f3SMasahiro Yamada * struct arm_smccc_quirk *quirk) 32c2da86f3SMasahiro Yamada */ 33c2da86f3SMasahiro YamadaENTRY(__arm_smccc_smc) 34c2da86f3SMasahiro Yamada SMCCC smc 35c2da86f3SMasahiro YamadaENDPROC(__arm_smccc_smc) 36c2da86f3SMasahiro Yamada 37c2da86f3SMasahiro Yamada/* 38c2da86f3SMasahiro Yamada * void arm_smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, 39c2da86f3SMasahiro Yamada * unsigned long a3, unsigned long a4, unsigned long a5, 40c2da86f3SMasahiro Yamada * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 41c2da86f3SMasahiro Yamada * struct arm_smccc_quirk *quirk) 42c2da86f3SMasahiro Yamada */ 43c2da86f3SMasahiro YamadaENTRY(__arm_smccc_hvc) 44c2da86f3SMasahiro Yamada SMCCC hvc 45c2da86f3SMasahiro YamadaENDPROC(__arm_smccc_hvc) 46