oot/src/libultra_code/code_800E6840.c

#include <global.h>

void func_800E6840(void* buf, s32 size) {
    OSIntMask prevMask = osSetIntMask(1);
    osInvalDCache(buf, size);
    osSetIntMask(prevMask);
}

void func_800E6880(void* buf, s32 size) {
    OSIntMask prevMask = osSetIntMask(1);
    osWritebackDCache(buf, size);
    osSetIntMask(prevMask);
}