diff options
Diffstat (limited to 'include/linux/arm-smccc.h')
| -rw-r--r-- | include/linux/arm-smccc.h | 42 |
1 files changed, 22 insertions, 20 deletions
diff --git a/include/linux/arm-smccc.h b/include/linux/arm-smccc.h index a031897fca76..43690f501712 100644 --- a/include/linux/arm-smccc.h +++ b/include/linux/arm-smccc.h @@ -155,6 +155,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #define SMCCC_SMC_INST "smc #0" #define SMCCC_HVC_INST "hvc #0" +#define SMCCC_REG(n) asm("x" # n) #elif defined(CONFIG_ARM) #include <asm/opcodes-sec.h> @@ -162,6 +163,7 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #define SMCCC_SMC_INST __SMC(0) #define SMCCC_HVC_INST __HVC(0) +#define SMCCC_REG(n) asm("r" # n) #endif @@ -194,47 +196,47 @@ asmlinkage void __arm_smccc_hvc(unsigned long a0, unsigned long a1, #define __declare_arg_0(a0, res) \ struct arm_smccc_res *___res = res; \ - register u32 r0 asm("r0") = a0; \ - register unsigned long r1 asm("r1"); \ - register unsigned long r2 asm("r2"); \ - register unsigned long r3 asm("r3") + register u32 r0 SMCCC_REG(0) = a0; \ + register unsigned long r1 SMCCC_REG(1); \ + register unsigned long r2 SMCCC_REG(2); \ + register unsigned long r3 SMCCC_REG(3) #define __declare_arg_1(a0, a1, res) \ struct arm_smccc_res *___res = res; \ - register u32 r0 asm("r0") = a0; \ - register typeof(a1) r1 asm("r1") = a1; \ - register unsigned long r2 asm("r2"); \ - register unsigned long r3 asm("r3") + register u32 r0 SMCCC_REG(0) = a0; \ + register typeof(a1) r1 SMCCC_REG(1) = a1; \ + register unsigned long r2 SMCCC_REG(2); \ + register unsigned long r3 SMCCC_REG(3) #define __declare_arg_2(a0, a1, a2, res) \ struct arm_smccc_res *___res = res; \ - register u32 r0 asm("r0") = a0; \ - register typeof(a1) r1 asm("r1") = a1; \ - register typeof(a2) r2 asm("r2") = a2; \ - register unsigned long r3 asm("r3") + register u32 r0 SMCCC_REG(0) = a0; \ + register typeof(a1) r1 SMCCC_REG(1) = a1; \ + register typeof(a2) r2 SMCCC_REG(2) = a2; \ + register unsigned long r3 SMCCC_REG(3) #define __declare_arg_3(a0, a1, a2, a3, res) \ struct arm_smccc_res *___res = res; \ - register u32 r0 asm("r0") = a0; \ - register typeof(a1) r1 asm("r1") = a1; \ - register typeof(a2) r2 asm("r2") = a2; \ - register typeof(a3) r3 asm("r3") = a3 + register u32 r0 SMCCC_REG(0) = a0; \ + register typeof(a1) r1 SMCCC_REG(1) = a1; \ + register typeof(a2) r2 SMCCC_REG(2) = a2; \ + register typeof(a3) r3 SMCCC_REG(3) = a3 #define __declare_arg_4(a0, a1, a2, a3, a4, res) \ __declare_arg_3(a0, a1, a2, a3, res); \ - register typeof(a4) r4 asm("r4") = a4 + register typeof(a4) r4 SMCCC_REG(4) = a4 #define __declare_arg_5(a0, a1, a2, a3, a4, a5, res) \ __declare_arg_4(a0, a1, a2, a3, a4, res); \ - register typeof(a5) r5 asm("r5") = a5 + register typeof(a5) r5 SMCCC_REG(5) = a5 #define __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res) \ __declare_arg_5(a0, a1, a2, a3, a4, a5, res); \ - register typeof(a6) r6 asm("r6") = a6 + register typeof(a6) r6 SMCCC_REG(6) = a6 #define __declare_arg_7(a0, a1, a2, a3, a4, a5, a6, a7, res) \ __declare_arg_6(a0, a1, a2, a3, a4, a5, a6, res); \ - register typeof(a7) r7 asm("r7") = a7 + register typeof(a7) r7 SMCCC_REG(7) = a7 #define ___declare_args(count, ...) __declare_arg_ ## count(__VA_ARGS__) #define __declare_args(count, ...) ___declare_args(count, __VA_ARGS__) |