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authorH.J. Lu <hjl.tools@gmail.com>2023-04-05 09:21:28 -0700
committerH.J. Lu <hjl.tools@gmail.com>2023-04-05 14:46:10 -0700
commit8c8e39116604fcd1101658f31dd136754a4aca6e (patch)
tree326c23de8a42139dba5f32ded976184defaaf3f3 /sysdeps/x86
parent083204a0e219bbfe0a475fcd3dcd0a579be17b48 (diff)
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<sys/platform/x86.h>: Add LA57 support
Add 57-bit linear addresses and five-level paging (LA57) support to
<sys/platform/x86.h>.
Reviewed-by: Noah Goldstein <goldstein.w.n@gmail.com>
Diffstat (limited to 'sysdeps/x86')
-rw-r--r--sysdeps/x86/bits/platform/x86.h2
-rw-r--r--sysdeps/x86/tst-get-cpu-features.c1
2 files changed, 2 insertions, 1 deletions
diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h
index 1ed24d7024..c9189fa248 100644
--- a/sysdeps/x86/bits/platform/x86.h
+++ b/sysdeps/x86/bits/platform/x86.h
@@ -182,7 +182,7 @@ enum
   x86_cpu_INDEX_7_ECX_13	= x86_cpu_index_7_ecx + 13,
   x86_cpu_AVX512_VPOPCNTDQ	= x86_cpu_index_7_ecx + 14,
   x86_cpu_INDEX_7_ECX_15	= x86_cpu_index_7_ecx + 15,
-  x86_cpu_INDEX_7_ECX_16	= x86_cpu_index_7_ecx + 16,
+  x86_cpu_LA57			= x86_cpu_index_7_ecx + 16,
 /* Note: Bits 17-21: The value of MAWAU used by the BNDLDX and BNDSTX
    instructions in 64-bit mode.  */
   x86_cpu_RDPID			= x86_cpu_index_7_ecx + 22,
diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c
index 1954698df8..5f5cd3e448 100644
--- a/sysdeps/x86/tst-get-cpu-features.c
+++ b/sysdeps/x86/tst-get-cpu-features.c
@@ -144,6 +144,7 @@ do_test (void)
   CHECK_CPU_FEATURE_PRESENT (AVX512_VNNI);
   CHECK_CPU_FEATURE_PRESENT (AVX512_BITALG);
   CHECK_CPU_FEATURE_PRESENT (AVX512_VPOPCNTDQ);
+  CHECK_CPU_FEATURE_PRESENT (LA57);
   CHECK_CPU_FEATURE_PRESENT (RDPID);
   CHECK_CPU_FEATURE_PRESENT (KL);
   CHECK_CPU_FEATURE_PRESENT (CLDEMOTE);