LXR qemu/tests/tcg/cris/libc/check

   1#include <stdio.h>
   2#include <stdlib.h>
   3#include <stdint.h>
   4#include "sys.h"
   5#include "crisutils.h"
   6
   7/* this would be better to do in asm, it's an orgy in GCC inline asm now.  */
   8
   9#define cris_addo_b(o, v) \
  10        asm volatile ("addo.b\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  11#define cris_addo_w(o, v) \
  12        asm volatile ("addo.w\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  13#define cris_addo_d(o, v) \
  14        asm volatile ("addo.d\t[%0], %1, $acr\n" : : "r" (o), "r" (v) : "acr");
  15#define cris_addo_pi_b(o, v) \
  16        asm volatile ("addo.b\t[%0+], %1, $acr\n" \
  17                         : "+b" (o): "r" (v) : "acr");
  18#define cris_addo_pi_w(o, v) \
  19        asm volatile ("addo.w\t[%0+], %1, $acr\n" \
  20                         : "+b" (o): "r" (v) : "acr");
  21#define cris_addo_pi_d(o, v) \
  22        asm volatile ("addo.d\t[%0+], %1, $acr\n" \
  23                         : "+b" (o): "r" (v) : "acr");
  24
  25struct {
  26        uint32_t v1;
  27        uint16_t v2;
  28        uint32_t v3;
  29        uint8_t v4;
  30        uint8_t v5;
  31        uint16_t v6;
  32        uint32_t v7;
  33} y = {
  34        32769,
  35        -1,
  36        5,
  37        3, -4,
  38        2,
  39        -76789887
  40};
  41
  42static int x[3] = {0x55aa77ff, 0xccff2244, 0x88ccee19};
  43
  44int main(void)
  45{
  46        int *r;
  47        unsigned char *t, *p;
  48
  49        /* Note, this test-case will trig an unaligned access, partly
  50           to x[0] and to [x1].  */
  51        t = (unsigned char *)x;
  52        t -= 32768;
  53        p = (unsigned char *) &y.v1;
  54        mb(); /* don't reorder anything beyond here.  */
  55        cris_tst_cc_init();
  56        asm volatile ("setf\tzvnc\n");
  57        cris_addo_pi_d(p, t);
  58        cris_tst_cc(1, 1, 1, 1);
  59        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  60        if (*r != 0x4455aa77)
  61                err();
  62
  63
  64        t += 32770;
  65        mb(); /* don't reorder anything beyond here.  */
  66        cris_tst_cc_init();
  67        asm volatile ("setf\tzvnc\n");
  68        cris_addo_pi_w(p, t);
  69        cris_tst_cc(1, 1, 1, 1);
  70        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  71        if (*r != 0x4455aa77)
  72                err();
  73
  74        mb(); /* don't reorder anything beyond here.  */
  75        cris_tst_cc_init();
  76        asm volatile ("setf\tzvnc\n");
  77        cris_addo_d(p, r);
  78        cris_tst_cc(1, 1, 1, 1);
  79        p += 4;
  80        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  81        if (*r != 0xee19ccff)
  82                err();
  83
  84        mb(); /* don't reorder anything beyond here.  */
  85        cris_tst_cc_init();
  86        asm volatile ("setf\tzvnc\n");
  87        cris_addo_pi_b(p, t);
  88        cris_tst_cc(0, 0, 0, 0);
  89        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
  90        if (*(uint16_t*)r != 0xff22)
  91                err();
  92
  93        mb(); /* don't reorder anything beyond here.  */
  94        cris_tst_cc_init();
  95        asm volatile ("setf\tzvnc\n");
  96        cris_addo_b(p, r);
  97        cris_tst_cc(1, 1, 1, 1);
  98        p += 1;
  99        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 100        if (*r != 0x4455aa77)
 101                err();
 102
 103        mb(); /* don't reorder anything beyond here.  */
 104        cris_tst_cc_init();
 105        asm volatile ("setf\tzvnc\n");
 106        cris_addo_w(p, r);
 107        cris_tst_cc(1, 1, 1, 1);
 108        p += 2;
 109        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 110        if (*r != 0xff224455)
 111                err();
 112
 113        mb(); /* don't reorder anything beyond here.  */
 114        cris_tst_cc_init();
 115        asm volatile ("setf\tzvnc\n");
 116        cris_addo_pi_d(p, t);
 117        cris_tst_cc(0, 0, 0, 0);
 118        asm volatile ("move.d\t$acr, %0\n" : "=r" (r));
 119        r = (void*)(((char *)r) + 76789885);
 120        if (*r != 0x55aa77ff)
 121                err();
 122
 123        pass();
 124        return 0;
 125}
 126