1*4882a593Smuzhiyun/* 2*4882a593Smuzhiyun * Copyright (c) 2015, Linaro Limited 3*4882a593Smuzhiyun * 4*4882a593Smuzhiyun * SPDX-License-Identifier: GPL-2.0 5*4882a593Smuzhiyun */ 6*4882a593Smuzhiyun#include <linux/linkage.h> 7*4882a593Smuzhiyun#include <linux/arm-smccc.h> 8*4882a593Smuzhiyun#include <generated/asm-offsets.h> 9*4882a593Smuzhiyun 10*4882a593Smuzhiyun .macro SMCCC instr 11*4882a593Smuzhiyun .cfi_startproc 12*4882a593Smuzhiyun \instr #0 13*4882a593Smuzhiyun ldr x4, [sp] 14*4882a593Smuzhiyun stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] 15*4882a593Smuzhiyun stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] 16*4882a593Smuzhiyun ldr x4, [sp, #8] 17*4882a593Smuzhiyun cbz x4, 1f /* no quirk structure */ 18*4882a593Smuzhiyun ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] 19*4882a593Smuzhiyun cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 20*4882a593Smuzhiyun b.ne 1f 21*4882a593Smuzhiyun str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] 22*4882a593Smuzhiyun1: ret 23*4882a593Smuzhiyun .cfi_endproc 24*4882a593Smuzhiyun .endm 25*4882a593Smuzhiyun 26*4882a593Smuzhiyun/* 27*4882a593Smuzhiyun * void arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, 28*4882a593Smuzhiyun * unsigned long a3, unsigned long a4, unsigned long a5, 29*4882a593Smuzhiyun * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 30*4882a593Smuzhiyun * struct arm_smccc_quirk *quirk) 31*4882a593Smuzhiyun */ 32*4882a593SmuzhiyunENTRY(__arm_smccc_smc) 33*4882a593Smuzhiyun SMCCC smc 34*4882a593SmuzhiyunENDPROC(__arm_smccc_smc) 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun/* 37*4882a593Smuzhiyun * void arm_smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, 38*4882a593Smuzhiyun * unsigned long a3, unsigned long a4, unsigned long a5, 39*4882a593Smuzhiyun * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 40*4882a593Smuzhiyun * struct arm_smccc_quirk *quirk) 41*4882a593Smuzhiyun */ 42*4882a593SmuzhiyunENTRY(__arm_smccc_hvc) 43*4882a593Smuzhiyun SMCCC hvc 44*4882a593SmuzhiyunENDPROC(__arm_smccc_hvc) 45