diff options
Diffstat (limited to 'patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch')
| -rw-r--r-- | patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch | 56 |
1 files changed, 0 insertions, 56 deletions
diff --git a/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch b/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch deleted file mode 100644 index 1d0643b..0000000 --- a/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch +++ /dev/null @@ -1,56 +0,0 @@ -Fix memset on PowerPC 8xx, by Nye Liu: -http://sourceware.org/ml/crossgcc/2008-10/msg00067.html - -Quote: - I am working on a powerpc 860 toolchain, but I am having problems - convincing glibc to not emit code that uses the dcbz instruction (CPU15 - dcbX bug). The source of the problem is sysdeps/powerpc/power3/memset.S - ---- glibc-2.7/sysdeps/powerpc/powerpc32/memset.S 2007-03-26 13:09:07.000000000 -0700 -+++ glibc-2.7/sysdeps/powerpc/powerpc32/memset.S.new 2008-10-23 20:28:52.000000000 -0700 -@@ -112,11 +112,13 @@ - clrrwi. rALIGN, rLEN, 5 - mtcrf 0x01, rLEN /* 40th instruction from .align */ - -+#ifndef BROKEN_PPC_8xx_CPU15 - /* Check if we can use the special case for clearing memory using dcbz. - This requires that we know the correct cache line size for this - processor. Getting the __cache_line_size may require establishing GOT - addressability, so branch out of line to set this up. */ - beq cr1, L(checklinesize) -+#endif - - /* Store blocks of 32-bytes (256-bits) starting on a 32-byte boundary. - Can't assume that rCHR is zero or that the cache line size is either -@@ -158,6 +160,7 @@ - add rMEMP, rMEMP, rALIGN - b L(medium_tail2) /* 72nd instruction from .align */ - -+#ifndef BROKEN_PPC_8xx_CPU15 - .align 5 - nop - /* Clear cache lines of memory in 128-byte chunks. -@@ -191,6 +194,7 @@ - bdnz L(zloop) - beqlr cr5 - b L(medium_tail2) -+#endif /* ! BROKEN_PPC_8xx_CPU15 */ - - .align 5 - L(small): -@@ -248,6 +252,7 @@ - stw rCHR, -8(rMEMP) - blr - -+#ifndef BROKEN_PPC_8xx_CPU15 - L(checklinesize): - #ifdef SHARED - mflr rTMP -@@ -329,6 +334,7 @@ - L(handletail32): - clrrwi. rALIGN, rLEN, 5 - b L(nondcbz) -+#endif /* ! BROKEN_PPC_8xx_CPU15 */ - - END (BP_SYM (memset)) - libc_hidden_builtin_def (memset) |