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| author | Linaro CI <ci_notify@linaro.org> | 2017-09-24 20:35:18 +0000 |
|---|---|---|
| committer | Linaro CI <ci_notify@linaro.org> | 2017-09-24 20:35:18 +0000 |
| commit | c03adb6848aa7e80ad0c0e46b9f6d96ba0a91822 (patch) | |
| tree | 05de08cd2d77fc5697e9e6fc1fae5ef23a1d0a85 /arch/arm64/kernel/smccc-call.S | |
| parent | 6ce85a78b6151e8ab2eac57e1447d90d3efb551d (diff) | |
| parent | 357fdc8959dc79696d9c43c2a3f7a93e3a503d87 (diff) | |
Merge remote-tracking branch 'sumit-lts/lts-4.4.y-hikey' into linux-4.4.y4.4.89-rc1-hikey-20170924
Diffstat (limited to 'arch/arm64/kernel/smccc-call.S')
| -rw-r--r-- | arch/arm64/kernel/smccc-call.S | 43 |
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/arm64/kernel/smccc-call.S b/arch/arm64/kernel/smccc-call.S new file mode 100644 index 000000000000..ae0496fa4235 --- /dev/null +++ b/arch/arm64/kernel/smccc-call.S @@ -0,0 +1,43 @@ +/* + * Copyright (c) 2015, Linaro Limited + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License Version 2 as + * published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + */ +#include <linux/linkage.h> +#include <asm/asm-offsets.h> + + .macro SMCCC instr + .cfi_startproc + \instr #0 + ldr x4, [sp] + stp x0, x1, [x4, #ARM_SMCCC_RES_X0_OFFS] + stp x2, x3, [x4, #ARM_SMCCC_RES_X2_OFFS] + ret + .cfi_endproc + .endm + +/* + * void arm_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) + */ +ENTRY(arm_smccc_smc) + SMCCC smc +ENDPROC(arm_smccc_smc) + +/* + * void arm_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) + */ +ENTRY(arm_smccc_hvc) + SMCCC hvc +ENDPROC(arm_smccc_hvc) |