diff options
Diffstat (limited to 'sysdeps/s390/s390-64/tst-glibc-hwcaps.c')
-rw-r--r-- | sysdeps/s390/s390-64/tst-glibc-hwcaps.c | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/sysdeps/s390/s390-64/tst-glibc-hwcaps.c b/sysdeps/s390/s390-64/tst-glibc-hwcaps.c new file mode 100644 index 0000000000..39f56d0c81 --- /dev/null +++ b/sysdeps/s390/s390-64/tst-glibc-hwcaps.c @@ -0,0 +1,78 @@ +/* glibc-hwcaps subdirectory test. s390x version. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, see + <https://www.gnu.org/licenses/>. */ + +#include <stdio.h> +#include <string.h> +#include <support/check.h> +#include <sys/auxv.h> +#include <sys/param.h> + +extern int marker2 (void); +extern int marker3 (void); +extern int marker4 (void); + +/* Return the POWER level, 8 for the baseline. */ +static int +compute_level (void) +{ + const char *platform = (const char *) getauxval (AT_PLATFORM); + + int result; + if (sscanf (platform, "arch%d", &result) == 1) + return result; + + /* The arch* versions refer to the edition of the Principles of + Operation, and they are off by two when compared with the recent + product names. (The code below should not be considered an + accurate mapping to Principles of Operation editions for earlier + AT_PLATFORM strings). */ + if (strcmp (platform, "z900") == 0) + return 5; + if (strcmp (platform, "z990") == 0) + return 6; + if (strcmp (platform, "z9-109") == 0) + return 7; + if (strcmp (platform, "z10") == 0) + return 8; + if (strcmp (platform, "z196") == 0) + return 9; + if (strcmp (platform, "zEC12") == 0) + return 10; + if (strcmp (platform, "z13") == 0) + return 11; + if (strcmp (platform, "z14") == 0) + return 12; + if (strcmp (platform, "z15") == 0) + return 13; + printf ("warning: unrecognized AT_PLATFORM value: %s\n", platform); + /* Assume that the new platform supports z15. */ + return 13; +} + +static int +do_test (void) +{ + int level = compute_level (); + printf ("info: detected architecture level: arch%d\n", level); + TEST_COMPARE (marker2 (), MIN (level - 9, 2)); + TEST_COMPARE (marker3 (), MIN (level - 9, 3)); + TEST_COMPARE (marker4 (), MIN (level - 9, 4)); + return 0; +} + +#include <support/test-driver.c> |