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Merge pull request #229 from sandrine-bailleux/sb/tf-issue-273 

Prevent optimisation of sysregs accessors calls
This commit is contained in:
danh-arm 2015-01-12 14:45:11 +00:00
parent ff9902028e 36e2fd0139
commit d01c67e067
1 changed files with 13 additions and 13 deletions
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26
include/lib/aarch64/arch_helpers.h
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@ -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 */