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https://github.com/checkpoint-restore/criu.git
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2e13f1f029
Move static and transition into zdtm top. We can't move all the micro tests themselves, as we need to distinguish static from non static (zdtm.py makes additional checks on static ones). Signed-off-by: Pavel Emelyanov <xemul@virtuozzo.com>
119 lines
2 KiB
C
119 lines
2 KiB
C
#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <sys/types.h>
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#include "zdtmtst.h"
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#if defined(__x86_64__)
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#include "cpuid.h"
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const char *test_doc = "Test if FPU data in YMM registers do survive the c/r";
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const char *test_author = "Cyrill Gorcunov <gorcunov@openvz.org>";
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static int verify_cpu(void)
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{
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unsigned int eax, ebx, ecx, edx;
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/* Do we have xsave? */
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cpuid(1, &eax, &ebx, &ecx, &edx);
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if (!(ecx & (1u << 26)))
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return -1;
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/* Is YMM here? */
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cpuid_count(0xd, 0, &eax, &ebx, &ecx, &edx);
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if ((eax & (0x4)) != 0x4)
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return -1;
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return 0;
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}
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#define __aligned __attribute__((aligned(64)))
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/*
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* These are random strings generated by pwgen.
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*/
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static __aligned unsigned char ymm1[32 + 1] = "code9Ee5sohphie1ae1kaeMahngoh5oe";
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static __aligned unsigned char ymm2[32 + 1] = "Tacuthahhien9Fi7aGhaa5toGh6vi7Ch";
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static __aligned unsigned char ymm3[32 + 1];
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static __aligned unsigned char ymm4[32 + 1];
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static int fpu_test(void)
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{
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int ret = 0;
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asm volatile("vmovapd %0, %%ymm0 \n"
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:
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: "m" (*ymm1)
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: "memory");
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asm volatile("vmovapd %0, %%ymm7 \n"
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:
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: "m" (*ymm2)
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: "memory");
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test_daemon();
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test_waitsig();
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asm volatile("vmovapd %%ymm0, %0 \n"
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: "=m" (*ymm3)
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:
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: "memory");
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asm volatile("vmovapd %%ymm7, %0 \n"
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: "=m" (*ymm4)
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:
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: "memory");
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if (memcmp(ymm1, ymm3, 32) || memcmp(ymm2, ymm4, 32)) {
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test_msg("Data mismatch ('%s' '%s' '%s' '%s')\n",
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ymm1, ymm2, ymm3, ymm4);
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ret = -1;
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} else {
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test_msg("Data match ('%s' '%s' '%s' '%s')\n",
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ymm1, ymm2, ymm3, ymm4);
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ret = 0;
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}
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return ret;
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}
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static int bare_run(void)
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{
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test_msg("Your cpu doesn't support ymm registers, skipping\n");
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test_daemon();
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test_waitsig();
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return 0;
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}
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int main(int argc, char *argv[])
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{
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int ret = 0;
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test_init(argc, argv);
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ret = verify_cpu() ? bare_run() : fpu_test();
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if (!ret)
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pass();
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else
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fail();
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return 0;
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}
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#else
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int main(int argc, char *argv[])
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{
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test_init(argc, argv);
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skip("Unsupported arch");
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return 0;
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}
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#endif
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