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- Pick fix for the aborts from CPU detection code from the upstream

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branch.  [bnc#671262]

OBS-URL: https://build.opensuse.org/package/show/devel:libraries:c_c++/gmp?expand=0&rev=34
This commit is contained in:
Richard Biener 2012-07-04 08:59:35 +00:00 committed by Git OBS Bridge
parent d9ea2d8f20
commit 8581152fab
4 changed files with 105 additions and 37 deletions
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98
gmp-5.0.5-remove-cpuid-abort.diff Normal file
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@ -0,0 +1,98 @@
# HG changeset patch
# User Marco Bodrato <bodrato@mail.dm.unipi.it>
# Date 1338104524 -7200
# Node ID ffdad0cda019a912c0cbb4e159595c34a176139f
# Parent 5e296f996b87f5bd747fc7075313911b42494d1e
mpn/x86_64/fat/fat.c: abort iff longmode-capable-bit is turned off.
diff -r 5e296f996b87 -r ffdad0cda019 mpn/x86_64/fat/fat.c
--- a/mpn/x86_64/fat/fat.c Thu May 24 14:26:27 2012 +0200
+++ b/mpn/x86_64/fat/fat.c Sun May 27 09:42:04 2012 +0200
@@ -1,4 +1,4 @@
-/* x86 fat binary initializers.
+/* x86_64 fat binary initializers.
Contributed to the GNU project by Kevin Ryde (original x86_32 code) and
Torbjorn Granlund (port to x86_64)
@@ -7,7 +7,7 @@
THEY'RE ALMOST CERTAIN TO BE SUBJECT TO INCOMPATIBLE CHANGES OR DISAPPEAR
COMPLETELY IN FUTURE GNU MP RELEASES.
-Copyright 2003, 2004, 2009, 2011 Free Software Foundation, Inc.
+Copyright 2003, 2004, 2009, 2011, 2012 Free Software Foundation, Inc.
This file is part of the GNU MP Library.
@@ -187,6 +187,11 @@
family = ((fms >> 8) & 0xf) + ((fms >> 20) & 0xff);
model = ((fms >> 4) & 0xf) + ((fms >> 12) & 0xf0);
+ /* Check extended feature flags */
+ __gmpn_cpuid (dummy_string, 0x80000001);
+ if ((dummy_string[4 + 29 / 8] & (1 << (29 - 3 * 8))) == 0)
+ abort (); /* longmode-capable-bit turned off! */
+
/*********************************************************/
/*** WARNING: keep this list in sync with config.guess ***/
/*********************************************************/
@@ -194,30 +199,9 @@
{
switch (family)
{
- case 4:
- case 5:
- abort (); /* 32-bit processors */
-
case 6:
switch (model)
{
- case 0x00:
- case 0x01:
- case 0x02:
- case 0x03:
- case 0x04:
- case 0x05:
- case 0x06:
- case 0x07:
- case 0x08:
- case 0x09: /* Banias */
- case 0x0a:
- case 0x0b:
- case 0x0c:
- case 0x0d: /* Dothan */
- case 0x0e: /* Yonah */
- abort (); /* 32-bit processors */
-
case 0x0f: /* Conroe Merom Kentsfield Allendale */
case 0x10:
case 0x11:
@@ -276,10 +260,6 @@
{
switch (family)
{
- case 5:
- case 6:
- abort ();
-
case 15: /* k8 */
case 16: /* k10 */
/* CPUVEC_SETUP_athlon */
@@ -290,14 +270,9 @@
{
switch (family)
{
- case 5:
- abort (); /* 32-bit processors */
-
case 6:
- if (model < 15)
- abort (); /* 32-bit processors */
-
- CPUVEC_SETUP_nano;
+ if (model >= 15)
+ CPUVEC_SETUP_nano;
break;
}
}

36
gmp-support-kvm.diff
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@ -1,36 +0,0 @@
From: Stephan Kulow <coolo@suse.de>, Bernhard M. Wiedemann <bwiedemann@suse.de>
KVM defaults to a basically non-existant CPUid, so it needs special
handling model 1 is Pentium Pro (1995) and model 3 is Pentium II (1997),
model 2 was never released
Index: gmp-5.0.5/mpn/x86_64/fat/fat.c
===================================================================
--- gmp-5.0.5.orig/mpn/x86_64/fat/fat.c
+++ gmp-5.0.5/mpn/x86_64/fat/fat.c
@@ -201,9 +201,12 @@ __gmpn_cpuvec_init (void)
case 6:
switch (model)
{
+ case 0x02: /* KVM default */
+ /* generic will do */
+ break;
+
case 0x00:
case 0x01:
- case 0x02:
case 0x03:
case 0x04:
case 0x05:
@@ -276,8 +279,10 @@ __gmpn_cpuvec_init (void)
{
switch (family)
{
- case 5:
case 6:
+ if(model == 2) /* KVM default */
+ break; /* generic will do */
+ case 5:
abort ();
case 15: /* k8 */

6
gmp.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Wed Jul 4 08:53:30 UTC 2012 - rguenther@suse.com
- Pick fix for the aborts from CPU detection code from the upstream
branch. [bnc#671262]
-------------------------------------------------------------------
Tue Jul 3 07:49:57 UTC 2012 - bwiedemann@suse.com

2
gmp.spec
View File

@ -31,7 +31,7 @@ Url: http://gmplib.org/
Source: gmp-%{version}.tar.bz2
Source2: baselibs.conf
Patch0: gmp-noexec.diff
Patch1: gmp-support-kvm.diff
Patch1: gmp-5.0.5-remove-cpuid-abort.diff
BuildRoot: %{_tmppath}/%{name}-%{version}-build
%description