1/* 2 * Copyright (c) 2015, Linaro Limited 3 * 4 * This program is free software; you can redistribute it and/or modify 5 * it under the terms of the GNU General Public License Version 2 as 6 * published by the Free Software Foundation. 7 * 8 * This program is distributed in the hope that it will be useful, 9 * but WITHOUT ANY WARRANTY; without even the implied warranty of 10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 11 * GNU General Public License for more details. 12 * 13 */ 14#include <linux/linkage.h> 15#include <linux/arm-smccc.h> 16 17#include <asm/asm-offsets.h> 18#include <asm/assembler.h> 19 20 .macro SMCCC instr 21 .cfi_startproc 22 \instr #0 23 ldr x4, [sp] 24 stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] 25 stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] 26 ldr x4, [sp, #8] 27 cbz x4, 1f /* no quirk structure */ 28 ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] 29 cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 30 b.ne 1f 31 str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] 321: ret 33 .cfi_endproc 34 .endm 35 36/* 37 * void arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, 38 * unsigned long a3, unsigned long a4, unsigned long a5, 39 * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 40 * struct arm_smccc_quirk *quirk) 41 */ 42ENTRY(__arm_smccc_smc) 43 SMCCC smc 44ENDPROC(__arm_smccc_smc) 45EXPORT_SYMBOL(__arm_smccc_smc) 46 47/* 48 * void arm_smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, 49 * unsigned long a3, unsigned long a4, unsigned long a5, 50 * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, 51 * struct arm_smccc_quirk *quirk) 52 */ 53ENTRY(__arm_smccc_hvc) 54 SMCCC hvc 55ENDPROC(__arm_smccc_hvc) 56EXPORT_SYMBOL(__arm_smccc_hvc) 57