diff -r 000000000000 -r eeea35fbf182 patches/glibc/2.2.5/glibc-2.2.5-ppc405erratum77.patch
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/patches/glibc/2.2.5/glibc-2.2.5-ppc405erratum77.patch	Sat Feb 24 11:00:05 2007 +0000
@@ -0,0 +1,65 @@
+# 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 linuxthreads
+
+diff -aur glibc-2.2.5.orig/sysdeps/powerpc/atomicity.h glibc-2.2.5/sysdeps/powerpc/atomicity.h
+--- glibc-2.2.5.orig/sysdeps/powerpc/atomicity.h	Thu Jul  5 21:56:01 2001
++++ glibc-2.2.5/sysdeps/powerpc/atomicity.h	Tue Jul 23 05:39:38 2002
+@@ -28,6 +28,17 @@
+ # define __ATOMICITY_INLINE inline
+ #endif
+ 
++#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 __LIBC_PPC405_ERR77_SYNC   "sync \n\t"
++#else
++#define __LIBC_PPC405_ERR77_SYNC
++#endif
++
+ static __ATOMICITY_INLINE int
+ __attribute__ ((unused))
+ exchange_and_add (volatile uint32_t *mem, int val)
+@@ -36,6 +47,7 @@
+   __asm__ ("\n\
+ 0:	lwarx	%0,0,%2	\n\
+ 	add%I3	%1,%0,%3	\n\
++	" __LIBC_PPC405_ERR77_SYNC "\n\
+ 	stwcx.	%1,0,%2	\n\
+ 	bne-	0b	\n\
+ " : "=&b"(result), "=&r"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+@@ -50,6 +62,7 @@
+   __asm__ ("\n\
+ 0:	lwarx	%0,0,%1	\n\
+ 	add%I2	%0,%0,%2	\n\
++	" __LIBC_PPC405_ERR77_SYNC "\n\
+ 	stwcx.	%0,0,%1	\n\
+ 	bne-	0b	\n\
+ " : "=&b"(tmp) : "r" (mem), "Ir"(val) : "cr0", "memory");
+@@ -65,6 +78,7 @@
+ 	sub%I2c.	%0,%0,%2	\n\
+ 	cntlzw	%0,%0	\n\
+ 	bne-	1f	\n\
++	" __LIBC_PPC405_ERR77_SYNC "\n\
+ 	stwcx.	%3,0,%1	\n\
+ 	bne-	0b	\n\
+ 1:	\n\
+@@ -79,6 +93,7 @@
+   long int result;
+   __asm__ ("\n\
+ 0:	lwarx	%0,0,%1	\n\
++	" __LIBC_PPC405_ERR77_SYNC "\n\
+ 	stwcx.	%2,0,%1	\n\
+ 	bne-	0b	\n\
+ " : "=&r"(result) : "r"(p), "r"(newval) : "cr0", "memory");
+@@ -94,6 +109,7 @@
+ 0:	lwarx	%0,0,%1	\n\
+ 	cmpwi	%0,0	\n\
+ 	bne-	1f	\n\
++	" __LIBC_PPC405_ERR77_SYNC "\n\
+ 	stwcx.	%2,0,%1	\n\
+ 	bne-	0b	\n\
+ 1:	\n\