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authorChris Larson <clarson@kergoth.com>2004-11-09 00:36:47 +0000
committerChris Larson <clarson@kergoth.com>2004-11-09 00:36:47 +0000
commitf96441b9faf769c9ecdd4d338b605ea3d0cc4010 (patch)
treeedb17ec2c4ea13c5acb1c7350957a249a820e28d /glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch
parentb6588aa6851fb220cedc387d21c51513ef8d67f4 (diff)
Disable bk EOLN_NATIVE conversions on all files in packages FILESPATHs, to prevent it screwing up patches.
BKrev: 4190111fA4MuVozAqwE7xOSL9fr-TA
Diffstat (limited to 'glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch')
-rw-r--r--glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch34
1 files changed, 34 insertions, 0 deletions
diff --git a/glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch b/glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch
index e69de29bb2..48127a1281 100644
--- a/glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch
+++ b/glibc/glibc-2.2.5/linuxthreads-2.2.5-ppc405erratum77.patch
@@ -0,0 +1,34 @@
+# see http://bugs.gnu.org/cgi-bin/gnatsweb.pl?cmd=view%20audit-trail&pr=4155
+# and http://www.kegel.com/xgcc3/ppc405erratum77.html
+# See also matching patch for glibc
+
+diff -aur glibc-2.2.5.orig/linuxthreads/sysdeps/powerpc/pt-machine.h glibc-2.2.5/linuxthreads/sysdeps/powerpc/pt-machine.h
+--- glibc-2.2.5.orig/linuxthreads/sysdeps/powerpc/pt-machine.h Thu May 17 12:47:46 2001
++++ glibc-2.2.5/linuxthreads/sysdeps/powerpc/pt-machine.h Tue Jul 23 05:38:24 2002
+@@ -41,6 +41,17 @@
+ #define HAS_COMPARE_AND_SWAP_WITH_RELEASE_SEMANTICS
+ #define IMPLEMENT_TAS_WITH_CAS
+
++#ifdef __PPC405__
++/* workaround for PPC405 erratum #77 - Mark Hatle, dank. References:
++ http://www-3.ibm.com/chips/techlib/techlib.nsf/techdocs/89DED00DEBFF54BF87256A8000491BA2/$file/405CR_C_errata_1_2.pdf
++ http://ppc.bkbits.net:8080/linuxppc_2_4_devel/cset@1.489
++ http://www.kegel.com/xgcc3/ppc405erratum77.html
++ FIXME: using dbct instead of sync would be faster */
++#define __LINUXTHREADS_PPC405_ERR77_SYNC "sync \n\t"
++#else
++#define __LINUXTHREADS_PPC405_ERR77_SYNC
++#endif
++
+ PT_EI int
+ __compare_and_swap (long int *p, long int oldval, long int newval)
+ {
+@@ -50,6 +61,7 @@
+ "0: lwarx %0,0,%1 ;"
+ " xor. %0,%3,%0;"
+ " bne 1f;"
++ __LINUXTHREADS_PPC405_ERR77_SYNC
+ " stwcx. %2,0,%1;"
+ " bne- 0b;"
+ "1: "
+