cachepc-qemu

Fork of AMDESE/qemu with changes for cachepc side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-qemu
Log | Files | Refs | Submodules | LICENSE | sfeed.txt

check_moveq.c (936B)

      1#include <stdio.h>
      2#include <stdlib.h>
      3#include <stdint.h>
      4#include "sys.h"
      5#include "crisutils.h"
      6
      7#define cris_moveq(dst, src) \
      8               asm volatile ("moveq %1, %0\n" : "=r" (dst) : "i" (src));
      9
     10
     11
     12int main(void)
     13{
     14	int t;
     15
     16	cris_tst_cc_init();
     17	asm volatile ("setf\tzvnc\n");
     18	cris_moveq(t, 10);
     19	cris_tst_cc(1, 1, 1, 1);
     20	if (t != 10)
     21		err();
     22
     23	/* make sure moveq doesn't clobber the zflag.  */
     24	cris_tst_cc_init();
     25	asm volatile ("setf vnc\n");
     26	asm volatile ("clearf z\n");
     27	cris_moveq(t, 0);
     28	cris_tst_cc(1, 0, 1, 1);
     29	if (t != 0)
     30		err();
     31
     32	/* make sure moveq doesn't clobber the nflag.
     33	   Also check large immediates  */
     34	cris_tst_cc_init();
     35	asm volatile ("setf zvc\n");
     36	asm volatile ("clearf n\n");
     37	cris_moveq(t, -31);
     38	cris_tst_cc(0, 1, 1, 1);
     39	if (t != -31)
     40		err();
     41
     42	cris_tst_cc_init();
     43	asm volatile ("setf nzvc\n");
     44	cris_moveq(t, 31);
     45	cris_tst_cc(1, 1, 1, 1);
     46	if (t != 31)
     47		err();
     48
     49	pass();
     50	return 0;
     51}