tools/perf/arch/arm64/tests/cpuid-match.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 #include <linux/compiler.h>
   3
   4 #include "arch-tests.h"
   5 #include "tests/tests.h"
   6 #include "util/header.h"
   7
   8 int test__cpuid_match(struct test_suite *test __maybe_unused,
   9                              int subtest __maybe_unused)
  10 {
  11         /* midr with no leading zeros matches */
  12         if (strcmp_cpuid_str("0x410fd0c0", "0x00000000410fd0c0"))
  13                 return -1;
  14         /* Upper case matches */
  15         if (strcmp_cpuid_str("0x410fd0c0", "0x00000000410FD0C0"))
  16                 return -1;
  17         /* r0p0 = r0p0 matches */
  18         if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000410fd480"))
  19                 return -1;
  20         /* r0p1 > r0p0 matches */
  21         if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000410fd481"))
  22                 return -1;
  23         /* r1p0 > r0p0 matches*/
  24         if (strcmp_cpuid_str("0x00000000410fd480", "0x00000000411fd480"))
  25                 return -1;
  26         /* r0p0 < r0p1 doesn't match */
  27         if (!strcmp_cpuid_str("0x00000000410fd481", "0x00000000410fd480"))
  28                 return -1;
  29         /* r0p0 < r1p0 doesn't match */
  30         if (!strcmp_cpuid_str("0x00000000411fd480", "0x00000000410fd480"))
  31                 return -1;
  32         /* Different CPU doesn't match */
  33         if (!strcmp_cpuid_str("0x00000000410fd4c0", "0x00000000430f0af0"))
  34                 return -1;
  35
  36         return 0;
  37 }