thermosphere: add proper memory/instruction barriers for breakpoint stuff

2020-01-09 22:47:22 +00:00
parent 0dd5f1f6d4
commit edb942a032
6 changed files with 19 additions and 3 deletions
--- a/thermosphere/src/utils.h
+++ b/thermosphere/src/utils.h
@@ -56,6 +56,11 @@ static inline u##sz __##op##sz(u##sz n)\
 _DECLARE_ASM_ARITHMETIC_UNARY_HELPER64(rbit)
 _DECLARE_ASM_ARITHMETIC_UNARY_HELPER32(rbit)

+static inline void __dmb_sy(void)
+{
+    __asm__ __volatile__ ("dmb sy" ::: "memory");
+}
+
 static inline void __dsb_sy(void)
 {
    __asm__ __volatile__ ("dsb sy" ::: "memory");