diff options
| author | Robert Mustacchi <rm@fingolfin.org> | 2022-07-16 15:26:14 +0000 |
|---|---|---|
| committer | Robert Mustacchi <rm@fingolfin.org> | 2022-09-11 04:06:00 +0000 |
| commit | 56726c7e321b6e5ecb2f10215f5386016547e68c (patch) | |
| tree | c2962155102bc009959ab350494becc3204feef7 /usr/src/lib | |
| parent | f2ae17ede4a9a93585872a9aa83120497285bdd0 (diff) | |
| download | illumos-gate-56726c7e321b6e5ecb2f10215f5386016547e68c.tar.gz | |
14821 Add additional AVX512 capabilities
14822 Need new word of hardware capabilities
14823 aux vector feature mapping should use x86_featureset
Reviewed by: Richard Lowe <richlowe@richlowe.net>
Reviewed by: Patrick Mooney <pmooney@pfmooney.com>
Approved by: Dan McDonald <danmcd@mnx.io>
Diffstat (limited to 'usr/src/lib')
| -rw-r--r-- | usr/src/lib/libc/port/gen/getisax.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/usr/src/lib/libc/port/gen/getisax.c b/usr/src/lib/libc/port/gen/getisax.c index c721528fb3..85d60eb192 100644 --- a/usr/src/lib/libc/port/gen/getisax.c +++ b/usr/src/lib/libc/port/gen/getisax.c @@ -25,6 +25,7 @@ */ /* * Copyright (c) 2012, Joyent, Inc. All rights reserved. + * Copyright 2022 Oxide Computer Company */ #pragma weak _getisax = getisax @@ -48,10 +49,12 @@ getisax(uint32_t *array, uint_t n) int i; static uint32_t auxv_hwcap; static uint32_t auxv_hwcap_2; + static uint32_t auxv_hwcap_3; if (auxv_hwcap == 0) { auxv_hwcap = (uint32_t)___getauxval(AT_SUN_HWCAP); auxv_hwcap_2 = (uint32_t)___getauxval(AT_SUN_HWCAP2); + auxv_hwcap_3 = (uint32_t)___getauxval(AT_SUN_HWCAP3); } if (n > 0) { @@ -59,9 +62,15 @@ getisax(uint32_t *array, uint_t n) array[0] = auxv_hwcap; if (n >= 2) array[1] = auxv_hwcap_2; - for (i = 2; i < n; i++) + if (n >= 3) + array[2] = auxv_hwcap_3; + for (i = 3; i < n; i++) array[i] = 0; } - return (auxv_hwcap == 0 ? 0 : n >= 2 ? 2 : 1); + if (auxv_hwcap == 0) { + return (0); + } + + return (n >= 3 ? 3 : n); } |