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altos/lpc, altos/stm: ARM requires ISB after switching stack pointers
[fw/altos]
/
src
/
stm
/
ao_arch_funcs.h
diff --git
a/src/stm/ao_arch_funcs.h
b/src/stm/ao_arch_funcs.h
index 9bb2d7cd5d830c158bd0dbbeb01ec3a39b63d64c..4bcc102324a5cb63fe49d518e684d4ffc072dcd6 100644
(file)
--- a/
src/stm/ao_arch_funcs.h
+++ b/
src/stm/ao_arch_funcs.h
@@
-354,6
+354,7
@@
static inline void ao_arch_start_scheduler(void) {
asm("mrs %0,control" : "=&r" (control));
control |= (1 << 1);
asm("msr control,%0" : : "r" (control));
+ asm("isb");
}
#endif