diff options
Diffstat (limited to 'include/lib/aarch64/arch_helpers.h')
| -rw-r--r-- | include/lib/aarch64/arch_helpers.h | 26 |
1 files changed, 13 insertions, 13 deletions
diff --git a/include/lib/aarch64/arch_helpers.h b/include/lib/aarch64/arch_helpers.h index d431baaf..7320a0af 100644 --- a/include/lib/aarch64/arch_helpers.h +++ b/include/lib/aarch64/arch_helpers.h @@ -40,24 +40,24 @@ * registers *********************************************************************/ -#define _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \ -static inline uint64_t read_ ## _name(void) \ -{ \ - uint64_t v; \ - __asm__ ("mrs %0, " #_reg_name : "=r" (v)); \ - return v; \ +#define _DEFINE_SYSREG_READ_FUNC(_name, _reg_name) \ +static inline uint64_t read_ ## _name(void) \ +{ \ + uint64_t v; \ + __asm__ volatile ("mrs %0, " #_reg_name : "=r" (v)); \ + return v; \ } -#define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name) \ -static inline void write_ ## _name(uint64_t v) \ -{ \ - __asm__ ("msr " #_reg_name ", %0" : : "r" (v)); \ +#define _DEFINE_SYSREG_WRITE_FUNC(_name, _reg_name) \ +static inline void write_ ## _name(uint64_t v) \ +{ \ + __asm__ volatile ("msr " #_reg_name ", %0" : : "r" (v)); \ } #define _DEFINE_SYSREG_WRITE_CONST_FUNC(_name, _reg_name) \ -static inline void write_ ## _name(const uint64_t v) \ -{ \ - __asm__ ("msr " #_reg_name ", %0" : : "i" (v)); \ +static inline void write_ ## _name(const uint64_t v) \ +{ \ + __asm__ volatile ("msr " #_reg_name ", %0" : : "i" (v)); \ } /* Define read function for system register */ |