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thermosphere: forgot compiler barrier in get_sysreg

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TuxSH 2020-02-01 22:05:26 +00:00
parent 316166d8de
commit 95ea2f4f95
1 changed files with 3 additions and 3 deletions
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6
thermosphere/src/sysreg.h
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@ -446,9 +446,9 @@
#define ENCODE_SYSREG_ISS(name) EVAL(ENCODE_SYSREG_FIELDS_ISS CAT(TUP_, name))
#define GET_SYSREG(r) ({\
u64 __val; \
asm volatile("mrs %0, " STRINGIZE(r) : "=r" (__val)); \
__val; \
u64 __val; \
__asm__ __volatile__("mrs %0, " STRINGIZE(r) : "=r" (__val) :: "memory"); \
__val; \
})
#define SET_SYSREG(reg, val) do { u64 temp_reg = (val); __asm__ __volatile__ ("msr " STRINGIZE(reg) ", %0" :: "r"(temp_reg) : "memory"); } while(false)