niansa-misc/glibc
1
0
Fork 0
mirror of git://sourceware.org/git/glibc.git synced 2025-03-06 20:58:33 +01:00
Code Issues Projects Releases Packages Wiki Activity

<sys/platform/x86.h>: Add LASS support

Browse source 
Add Linear Address Space Separation (LASS) support to <sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
This commit is contained in:
H.J. Lu 2023-04-05 09:21:34 -07:00
parent 231bf916ce
commit aa528a579b
3 changed files with 5 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

3
manual/platform.texi
View file

@ -406,6 +406,9 @@ the indirect branch predictor barrier (IBPB).
@item
@code{LAM} -- Linear Address Masking.
@item
@code{LASS} -- Linear Address Space Separation.
@item
@code{LBR} -- Architectural LBR.

1
sysdeps/x86/bits/platform/x86.h
View file

@ -291,6 +291,7 @@ enum
x86_cpu_RAO_INT = x86_cpu_index_7_ecx_1_eax + 3,
x86_cpu_AVX_VNNI = x86_cpu_index_7_ecx_1_eax + 4,
x86_cpu_AVX512_BF16 = x86_cpu_index_7_ecx_1_eax + 5,
x86_cpu_LASS = x86_cpu_index_7_ecx_1_eax + 6,
x86_cpu_FZLRM = x86_cpu_index_7_ecx_1_eax + 10,
x86_cpu_FSRS = x86_cpu_index_7_ecx_1_eax + 11,
x86_cpu_FSRCS = x86_cpu_index_7_ecx_1_eax + 12,

1
sysdeps/x86/tst-get-cpu-features.c
View file

@ -203,6 +203,7 @@ do_test (void)
CHECK_CPU_FEATURE_PRESENT (RAO_INT);
CHECK_CPU_FEATURE_PRESENT (AVX_VNNI);
CHECK_CPU_FEATURE_PRESENT (AVX512_BF16);
CHECK_CPU_FEATURE_PRESENT (LASS);
CHECK_CPU_FEATURE_PRESENT (FZLRM);
CHECK_CPU_FEATURE_PRESENT (FSRS);
CHECK_CPU_FEATURE_PRESENT (FSRCS);