| Masahiro Yamada | a93297e | 2017-04-14 11:10:22 +0900 | [diff] [blame^] | 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 | #include <asm/asm-offsets.h> |
| 17 | |
| 18 | .macro SMCCC instr |
| 19 | .cfi_startproc |
| 20 | \instr #0 |
| 21 | ldr x4, [sp] |
| 22 | stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] |
| 23 | stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] |
| 24 | ldr x4, [sp, #8] |
| 25 | cbz x4, 1f /* no quirk structure */ |
| 26 | ldr x9, [x4, #ARM_SMCCC_QUIRK_ID_OFFS] |
| 27 | cmp x9, #ARM_SMCCC_QUIRK_QCOM_A6 |
| 28 | b.ne 1f |
| 29 | str x6, [x4, ARM_SMCCC_QUIRK_STATE_OFFS] |
| 30 | 1: ret |
| 31 | .cfi_endproc |
| 32 | .endm |
| 33 | |
| 34 | /* |
| 35 | * void arm_smccc_smc(unsigned long a0, unsigned long a1, unsigned long a2, |
| 36 | * unsigned long a3, unsigned long a4, unsigned long a5, |
| 37 | * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, |
| 38 | * struct arm_smccc_quirk *quirk) |
| 39 | */ |
| 40 | ENTRY(__arm_smccc_smc) |
| 41 | SMCCC smc |
| 42 | ENDPROC(__arm_smccc_smc) |
| 43 | |
| 44 | /* |
| 45 | * void arm_smccc_hvc(unsigned long a0, unsigned long a1, unsigned long a2, |
| 46 | * unsigned long a3, unsigned long a4, unsigned long a5, |
| 47 | * unsigned long a6, unsigned long a7, struct arm_smccc_res *res, |
| 48 | * struct arm_smccc_quirk *quirk) |
| 49 | */ |
| 50 | ENTRY(__arm_smccc_hvc) |
| 51 | SMCCC hvc |
| 52 | ENDPROC(__arm_smccc_hvc) |