Finally enable the PPC-8xx memset workaround, by Nye Liu.

http://sourceware.org/ml/crossgcc/2008-10/msg00094.html

 /trunk/scripts/build/libc/glibc.sh                          |    9     9     0     0 +
 /trunk/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch |   22    19     3     0 +
 /trunk/samples/powerpc-860-linux-gnu/crosstool.config       |  344   344     0     0 +++++++++++++++++++
 /trunk/samples/powerpc-860-linux-gnu/reported.by            |    3     3     0     0 +
 4 files changed, 375 insertions(+), 3 deletions(-)

4 files changed, 375 insertions, 3 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
index 03cd441..1d0643b 100644
--- a/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch
+++ b/patches/glibc/2.7/290-powerpc-8xx-CPU15-errata.patch
@@ -7,7 +7,7 @@ Quote:
  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 12:20:04.000000000 -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 */
@@ -22,7 +22,23 @@ Quote:
  
  /* 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
-@@ -248,6 +250,7 @@
+@@ -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
  
@@ -30,7 +46,7 @@ Quote:
  L(checklinesize):
  #ifdef SHARED
  	mflr	rTMP
-@@ -329,6 +332,7 @@
+@@ -329,6 +334,7 @@
  L(handletail32):
  	clrrwi.	rALIGN, rLEN, 5
  	b	L(nondcbz)
diff --git a/samples/powerpc-860-linux-gnu/crosstool.config b/samples/powerpc-860-linux-gnu/crosstool.config
new file mode 100644
index 0000000..2d47008
--- /dev/null
+++ b/samples/powerpc-860-linux-gnu/crosstool.config
@@ -0,0 +1,344 @@
+#
+# Automatically generated make config: don't edit
+# crosstool-NG version: 1.2.0+svn_trunk@1158M
+# Mon Oct 27 12:31:20 2008
+#
+
+#
+# Paths and misc options
+#
+
+#
+# crosstool-NG behavior
+#
+# CT_OBSOLETE is not set
+CT_EXPERIMENTAL=y
+CT_DEBUG_CT=y
+# CT_DEBUG_PAUSE_STEPS is not set
+CT_DEBUG_CT_SAVE_STEPS=y
+CT_DEBUG_CT_SAVE_STEPS_GZIP=y
+
+#
+# Paths
+#
+CT_LOCAL_TARBALLS_DIR="${HOME}/src"
+CT_SAVE_TARBALLS=y
+CT_WORK_DIR="${CT_TOP_DIR}/targets"
+CT_PREFIX_DIR="${HOME}/x-tools/${CT_TARGET}"
+CT_INSTALL_DIR="${CT_PREFIX_DIR}"
+# CT_CUSTOM_PATCH is not set
+CT_REMOVE_DOCS=y
+# CT_INSTALL_DIR_RO is not set
+
+#
+# Downloading
+#
+# CT_FORCE_DOWNLOAD is not set
+# CT_USE_PROXY is not set
+CT_PROXY_TYPE="none"
+# CT_USE_LAN_MIRROR is not set
+CT_CONNECT_TIMEOUT=10
+# CT_ONLY_DOWNLOAD is not set
+
+#
+# Extracting
+#
+# CT_FORCE_EXTRACT is not set
+CT_OVERIDE_CONFIG_GUESS_SUB=y
+# CT_ONLY_EXTRACT is not set
+
+#
+# Build behavior
+#
+CT_PARALLEL_JOBS=1
+CT_LOAD=0
+CT_NICE=0
+CT_USE_PIPES=y
+# CT_CONFIG_SHELL_ASH is not set
+
+#
+# Logging
+#
+# CT_LOG_ERROR is not set
+# CT_LOG_WARN is not set
+# CT_LOG_INFO is not set
+CT_LOG_EXTRA=y
+# CT_LOG_DEBUG is not set
+# CT_LOG_ALL is not set
+CT_LOG_LEVEL_MAX="EXTRA"
+# CT_LOG_SEE_TOOLS_WARN is not set
+CT_LOG_PROGRESS_BAR=y
+CT_LOG_TO_FILE=y
+CT_LOG_FILE_COMPRESS=y
+
+#
+# Target options
+#
+CT_ARCH="powerpc"
+# CT_ARCH_SUPPORT_ARCH is not set
+CT_ARCH_SUPPORT_ABI=y
+CT_ARCH_SUPPORT_CPU=y
+CT_ARCH_SUPPORT_TUNE=y
+# CT_ARCH_SUPPORT_FPU is not set
+# CT_ARCH_SUPPORTS_BOTH_ENDIAN is not set
+# CT_ARCH_DEFAULT_BE is not set
+# CT_ARCH_DEFAULT_LE is not set
+CT_ARCH_ABI=""
+CT_ARCH_CPU="860"
+CT_ARCH_TUNE=""
+# CT_ARCH_FLOAT_HW is not set
+CT_ARCH_FLOAT_SW=y
+CT_TARGET_CFLAGS=""
+CT_TARGET_LDFLAGS=""
+
+#
+# General target options
+#
+# CT_ARCH_alpha is not set
+# CT_ARCH_arm is not set
+# CT_ARCH_ia64 is not set
+# CT_ARCH_mips is not set
+CT_ARCH_powerpc=y
+# CT_ARCH_sh is not set
+# CT_ARCH_x86 is not set
+# CT_ARCH_x86_64 is not set
+# CT_ARCH_POWERPC_SPE is not set
+
+#
+# Target optimisations
+#
+
+#
+# Toolchain options
+#
+
+#
+# General toolchain options
+#
+CT_USE_SYSROOT=y
+CT_SHARED_LIBS=y
+CT_TARGET_VENDOR="860"
+CT_TARGET_ALIAS_SED_EXPR=""
+CT_TARGET_ALIAS=""
+
+#
+# Toolchain type
+#
+# CT_NATIVE is not set
+CT_CROSS=y
+# CT_CROSS_NATIVE is not set
+# CT_CANADIAN is not set
+CT_TOOLCHAIN_TYPE="cross"
+CT_BUILD=""
+CT_CC_NATIVE="gcc"
+
+#
+# Operating System
+#
+# CT_BARE_METAL is not set
+CT_KERNEL="linux"
+CT_KERNEL_VERSION="2.6.26"
+# CT_KERNEL_bare_metal is not set
+CT_KERNEL_linux=y
+CT_KERNEL_LINUX_INSTALL=y
+CT_KERNEL_LINUX_INSTALL_CHECK=y
+# CT_KERNEL_V_2_6_18_8 is not set
+# CT_KERNEL_V_2_6_19_7 is not set
+# CT_KERNEL_V_2_6_20_21 is not set
+# CT_KERNEL_V_2_6_21_7 is not set
+# CT_KERNEL_V_2_6_22_19 is not set
+# CT_KERNEL_V_2_6_23_17 is not set
+# CT_KERNEL_V_2_6_24_7 is not set
+# CT_KERNEL_V_2_6_25_19 is not set
+CT_KERNEL_V_2_6_26=y
+# CT_KERNEL_V_2_6_26_1 is not set
+# CT_KERNEL_V_2_6_26_2 is not set
+# CT_KERNEL_V_2_6_26_3 is not set
+# CT_KERNEL_V_2_6_26_4 is not set
+# CT_KERNEL_V_2_6_26_5 is not set
+# CT_KERNEL_V_2_6_26_6 is not set
+# CT_KERNEL_V_2_6_26_7 is not set
+# CT_KERNEL_V_2_6_27 is not set
+# CT_KERNEL_V_2_6_27_1 is not set
+# CT_KERNEL_V_2_6_27_2 is not set
+# CT_KERNEL_V_2_6_27_3 is not set
+CT_KERNEL_LINUX_VERBOSITY_0=y
+# CT_KERNEL_LINUX_VERBOSITY_1 is not set
+# CT_KERNEL_LINUX_VERBOSITY_2 is not set
+CT_KERNEL_LINUX_VERBOSE_LEVEL=0
+# CT_KERNEL_LINUX_USE_CUSTOM_DIR is not set
+
+#
+# GMP and MPFR
+#
+CT_GMP_MPFR=y
+CT_GMP_MPFR_TARGET=y
+# CT_GMP_V_4_2_2 is not set
+CT_GMP_V_4_2_4=y
+CT_GMP_VERSION="4.2.4"
+CT_GMP_CHECK=y
+# CT_MPFR_V_2_3_1 is not set
+CT_MPFR_V_2_3_2=y
+CT_MPFR_VERSION="2.3.2"
+CT_MPFR_CHECK=y
+
+#
+# binutils
+#
+CT_BINUTILS_VERSION="2.19.50.0.1"
+# CT_BINUTILS_V_2_14 is not set
+# CT_BINUTILS_V_2_15 is not set
+# CT_BINUTILS_V_2_16_1 is not set
+# CT_BINUTILS_V_2_17 is not set
+# CT_BINUTILS_V_2_18 is not set
+# CT_BINUTILS_V_2_18_50_0_4 is not set
+# CT_BINUTILS_V_2_18_50_0_6 is not set
+# CT_BINUTILS_V_2_18_50_0_7 is not set
+# CT_BINUTILS_V_2_18_50_0_8 is not set
+# CT_BINUTILS_V_2_18_50_0_9 is not set
+# CT_BINUTILS_V_2_18_90 is not set
+# CT_BINUTILS_V_2_18_91 is not set
+# CT_BINUTILS_V_2_18_92 is not set
+# CT_BINUTILS_V_2_18_93 is not set
+CT_BINUTILS_V_2_19_50_0_1=y
+CT_BINUTILS_EXTRA_CONFIG=""
+CT_BINUTILS_FOR_TARGET=y
+CT_BINUTILS_FOR_TARGET_IBERTY=y
+CT_BINUTILS_FOR_TARGET_BFD=y
+
+#
+# C compiler
+#
+CT_CC="gcc"
+CT_CC_VERSION="4.3.2"
+CT_CC_gcc=y
+# CT_CC_V_2_95_3 is not set
+# CT_CC_V_3_2_3 is not set
+# CT_CC_V_3_3_6 is not set
+# CT_CC_V_3_4_6 is not set
+# CT_CC_V_4_0_0 is not set
+# CT_CC_V_4_0_1 is not set
+# CT_CC_V_4_0_2 is not set
+# CT_CC_V_4_0_3 is not set
+# CT_CC_V_4_0_4 is not set
+# CT_CC_V_4_1_0 is not set
+# CT_CC_V_4_1_1 is not set
+# CT_CC_V_4_1_2 is not set
+# CT_CC_V_4_2_0 is not set
+# CT_CC_V_4_2_1 is not set
+# CT_CC_V_4_2_2 is not set
+# CT_CC_V_4_2_3 is not set
+# CT_CC_V_4_2_4 is not set
+# CT_CC_V_4_3_0 is not set
+# CT_CC_V_4_3_1 is not set
+CT_CC_V_4_3_2=y
+CT_CC_GCC_4_3_or_later=y
+CT_CC_CXA_ATEXIT=y
+CT_CC_SJLJ_EXCEPTIONS_CONFIGURE=y
+# CT_CC_SJLJ_EXCEPTIONS_USE is not set
+# CT_CC_SJLJ_EXCEPTIONS_DONT_USE is not set
+CT_CC_CORE_EXTRA_CONFIG=""
+CT_CC_EXTRA_CONFIG="--with-cpu=860 --enable-cxx-flags=-mcpu=860 --with-float=soft --enable-cxx-flags=-msoft-float"
+CT_CC_PKGVERSION="crosstool-NG-${CT_VERSION}"
+CT_CC_BUGURL=""
+CT_CC_SUPPORT_CXX=y
+CT_CC_SUPPORT_FORTRAN=y
+CT_CC_SUPPORT_JAVA=y
+CT_CC_SUPPORT_ADA=y
+CT_CC_SUPPORT_OBJC=y
+CT_CC_SUPPORT_OBJCXX=y
+
+#
+# Additional supported languages:
+#
+CT_CC_LANG_CXX=y
+CT_CC_LANG_FORTRAN=y
+# CT_CC_LANG_JAVA is not set
+# CT_CC_LANG_ADA is not set
+# CT_CC_LANG_OBJC is not set
+# CT_CC_LANG_OBJCXX is not set
+CT_CC_LANG_OTHERS=""
+CT_LIBC="glibc"
+
+#
+# C-library
+#
+CT_LIBC_VERSION="2.7"
+# CT_LIBC_eglibc is not set
+CT_LIBC_glibc=y
+# CT_LIBC_uClibc is not set
+# CT_LIBC_V_2_3_6 is not set
+# CT_LIBC_V_2_5 is not set
+# CT_LIBC_V_2_5_1 is not set
+# CT_LIBC_V_2_6 is not set
+# CT_LIBC_V_2_6_1 is not set
+CT_LIBC_V_2_7=y
+# CT_LIBC_V_LATEST is not set
+# CT_LIBC_V_date is not set
+
+#
+# Common C library options
+#
+CT_LIBC_SUPPORT_NPTL=y
+CT_LIBC_SUPPORT_LINUXTHREADS=y
+CT_THREADS="nptl"
+CT_THREADS_NPTL=y
+# CT_THREADS_LINUXTHREADS is not set
+# CT_THREADS_NONE is not set
+
+#
+# glibc/eglibc common options
+#
+CT_LIBC_GLIBC_EXTRA_CONFIG="--without-fp"
+CT_LIBC_GLIBC_EXTRA_CFLAGS=""
+CT_LIBC_EXTRA_CC_ARGS=""
+CT_LIBC_GLIBC_USE_PORTS=y
+CT_LIBC_ADDONS_LIST=""
+# CT_LIBC_GLIBC_KERNEL_VERSION_NONE is not set
+CT_LIBC_GLIBC_KERNEL_VERSION_AS_HEADERS=y
+# CT_LIBC_GLIBC_KERNEL_VERSION_CHOSEN is not set
+CT_LIBC_GLIBC_MIN_KERNEL="2.6.26"
+
+#
+# Tools facilities
+#
+# CT_TOOL_libelf is not set
+# CT_TOOL_sstrip is not set
+
+#
+# Debug facilities
+#
+# CT_DEBUG_dmalloc is not set
+# CT_DEBUG_duma is not set
+CT_DEBUG_gdb=y
+CT_GDB_CROSS=y
+# CT_GDB_CROSS_STATIC is not set
+# CT_GDB_CROSS_INSIGHT is not set
+CT_GDB_NATIVE=y
+# CT_GDB_NATIVE_STATIC is not set
+CT_GDB_NATIVE_USE_GMP_MPFR=y
+CT_GDB_GDBSERVER=y
+# CT_GDB_GDBSERVER_STATIC is not set
+# CT_GDB_V_6_4 is not set
+# CT_GDB_V_6_5 is not set
+# CT_GDB_V_6_6 is not set
+# CT_GDB_V_6_7 is not set
+# CT_GDB_V_6_7_1 is not set
+CT_GDB_V_6_8=y
+# CT_GDB_V_snapshot is not set
+CT_GDB_VERSION="6.8"
+
+#
+# Native gdb needs the ncurses library on the target
+#
+CT_NCURSES_V_5_6=y
+CT_NCURSES_VERSION="5.6"
+# CT_DEBUG_ltrace is not set
+CT_DEBUG_strace=y
+# CT_STRACE_V_4_5 is not set
+# CT_STRACE_V_4_5_14 is not set
+# CT_STRACE_V_4_5_15 is not set
+# CT_STRACE_V_4_5_16 is not set
+CT_STRACE_V_4_5_17=y
+# CT_STRACE_V_4_5_18 is not set
+CT_STRACE_VERSION="4.5.17"
diff --git a/samples/powerpc-860-linux-gnu/reported.by b/samples/powerpc-860-linux-gnu/reported.by
new file mode 100644
index 0000000..7848475
--- /dev/null
+++ b/samples/powerpc-860-linux-gnu/reported.by
@@ -0,0 +1,3 @@
+reporter_name="Nye Liu"
+reporter_url="http://sourceware.org/ml/crossgcc/2008-10/msg00046.html"
+reporter_comment=""
diff --git a/scripts/build/libc/glibc.sh b/scripts/build/libc/glibc.sh
index 6226fcf..7401867 100644
--- a/scripts/build/libc/glibc.sh
+++ b/scripts/build/libc/glibc.sh
@@ -443,6 +443,14 @@ do_libc() {
         GLIBC_INSTALL_APPS_LATER=no
     fi
 
+    # glibc initial build hacks
+    # http://sourceware.org/ml/crossgcc/2008-10/msg00068.html
+    case "${CT_ARCH},${CT_ARCH_CPU}" in
+	powerpc,8??)
+	    CT_DoLog DEBUG "Activating support for memset on broken ppc-8xx (CPU15 erratum)"
+	    GLIBC_INITIAL_BUILD_ASFLAGS="-DBROKEN_PPC_8xx_CPU15";;
+    esac
+
     # If this fails with an error like this:
     # ...  linux/autoconf.h: No such file or directory 
     # then you need to set the KERNELCONFIG variable to point to a .config file for this arch.
@@ -453,6 +461,7 @@ do_libc() {
     CT_DoExecLog ALL make LD=${CT_TARGET}-ld                        \
                            RANLIB=${CT_TARGET}-ranlib               \
                            OBJDUMP_FOR_HOST="${CT_TARGET}-objdump"  \
+                           ASFLAGS="${GLIBC_INITIAL_BUILD_ASFLAGS}" \
                            ${GLIBC_INITIAL_BUILD_RULE}
 
     CT_DoLog EXTRA "Installing C library"