From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 1039) id 6038C385840C; Wed, 5 Apr 2023 22:44:13 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 6038C385840C DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sourceware.org; s=default; t=1680734653; bh=9/MyUTMdlO7IyWnoyfFsGgG+zfpqXMely+WazzYEUTw=; h=From:To:Subject:Date:From; b=P55Y93SbC+fPO8qp/GNF6nIRJvwMsEwobWTu0pJ7RRLrGATJoNOS/Gz1mc2T2KwOc ZI8a5MzBvvv6NGTDP18TCMBBxynwYgoI18RMlNEOGzfcEP60xLLHy1g+0PXk9FHO1P z3jO/JGirrcxK26zlYLhxl+uBAbjBmyma9CdGWpU= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: H.J. Lu To: glibc-cvs@sourceware.org Subject: [glibc] : Add BUS_LOCK_DETECT support X-Act-Checkin: glibc X-Git-Author: H.J. Lu X-Git-Refname: refs/heads/master X-Git-Oldrev: 8c8e39116604fcd1101658f31dd136754a4aca6e X-Git-Newrev: 09cc5fee2165c7be14907e6597373b0cd35803f3 Message-Id: <20230405224413.6038C385840C@sourceware.org> Date: Wed, 5 Apr 2023 22:44:13 +0000 (GMT) List-Id: https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=09cc5fee2165c7be14907e6597373b0cd35803f3 commit 09cc5fee2165c7be14907e6597373b0cd35803f3 Author: H.J. Lu Date: Wed Apr 5 09:21:29 2023 -0700 : Add BUS_LOCK_DETECT support Add Bus lock debug exceptions (BUS_LOCK_DETECT) support to . Reviewed-by: Noah Goldstein Diff: --- manual/platform.texi | 3 +++ sysdeps/x86/bits/platform/x86.h | 2 +- sysdeps/x86/tst-get-cpu-features.c | 1 + 3 files changed, 5 insertions(+), 1 deletion(-) diff --git a/manual/platform.texi b/manual/platform.texi index 9251b63e47..78ee39f650 100644 --- a/manual/platform.texi +++ b/manual/platform.texi @@ -276,6 +276,9 @@ extensions. @item @code{BMI2} -- BMI2 instructions. +@item +@code{BUS_LOCK_DETECT} -- Bus lock debug exceptions. + @item @code{CLDEMOTE} -- CLDEMOTE instruction. diff --git a/sysdeps/x86/bits/platform/x86.h b/sysdeps/x86/bits/platform/x86.h index c9189fa248..e25f1ac53c 100644 --- a/sysdeps/x86/bits/platform/x86.h +++ b/sysdeps/x86/bits/platform/x86.h @@ -187,7 +187,7 @@ enum instructions in 64-bit mode. */ x86_cpu_RDPID = x86_cpu_index_7_ecx + 22, x86_cpu_KL = x86_cpu_index_7_ecx + 23, - x86_cpu_INDEX_7_ECX_24 = x86_cpu_index_7_ecx + 24, + x86_cpu_BUS_LOCK_DETECT = x86_cpu_index_7_ecx + 24, x86_cpu_CLDEMOTE = x86_cpu_index_7_ecx + 25, x86_cpu_INDEX_7_ECX_26 = x86_cpu_index_7_ecx + 26, x86_cpu_MOVDIRI = x86_cpu_index_7_ecx + 27, diff --git a/sysdeps/x86/tst-get-cpu-features.c b/sysdeps/x86/tst-get-cpu-features.c index 5f5cd3e448..dcb735ddd6 100644 --- a/sysdeps/x86/tst-get-cpu-features.c +++ b/sysdeps/x86/tst-get-cpu-features.c @@ -147,6 +147,7 @@ do_test (void) CHECK_CPU_FEATURE_PRESENT (LA57); CHECK_CPU_FEATURE_PRESENT (RDPID); CHECK_CPU_FEATURE_PRESENT (KL); + CHECK_CPU_FEATURE_PRESENT (BUS_LOCK_DETECT); CHECK_CPU_FEATURE_PRESENT (CLDEMOTE); CHECK_CPU_FEATURE_PRESENT (MOVDIRI); CHECK_CPU_FEATURE_PRESENT (MOVDIR64B);