#include #include /* 5a x.s 5c -FVw main.c 5l -o main main.5 x.5 */ int cacheflush(void *from, void *to); void usage(void) { fprint(2, "usage: %s \n", argv0); sysfatal("usage"); } char bla[32]; void main(int, char *[]) { cacheflush(bla, bla + sizeof(bla)); print("OK, instructions work\n"); }