31 lines
420 B
C
31 lines
420 B
C
|
#include <unistd.h>
|
||
|
|
|
||
|
|
void invalidate_tlb()
|
||
|
|
{
|
||
|
|
asm(
|
||
|
|
"dsb sy\n"
|
||
|
|
"tlbi alle3\n"
|
||
|
|
"dsb sy\n"
|
||
|
|
"isb\n"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
void sync()
|
||
|
|
{
|
||
|
|
asm(
|
||
|
|
"dsb sy\n"
|
||
|
|
"isb\n"
|
||
|
|
);
|
||
|
|
}
|
||
|
|
|
||
|
|
void iciallu(void)
|
||
|
|
{
|
||
|
|
__asm__ __volatile__("ic iallu\n\t" : : :"memory");
|
||
|
|
__asm__ __volatile__("ic ialluis\n\t" : : :"memory");
|
||
|
|
}
|
||
|
|
|
||
|
|
void cache_flush(){
|
||
|
|
// invalidate_tlb();
|
||
|
|
sync();
|
||
|
|
iciallu();
|
||
|
|
}
|