1020.binary-identity.patch

sm86xx内核源包括补丁（ GPL ）的

diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/init/Kconfig linux-2.6.15/init/Kconfig
--- linux-2.6.15.ref/init/Kconfig	2006-01-25 20:52:03.000000000 -0800
+++ linux-2.6.15/init/Kconfig	2006-02-22 19:43:10.000000000 -0800
@@ -93,6 +93,14 @@
 	  Note: This requires Perl, and a git repository, but not necessarily
 	  the git or cogito tools to be installed.
 
+config IGNORE_COMPILE_INFO
+	bool "Ignore non constant compile time info"
+	default n
+	help
+	  This options makes  linux binary invariant across successive
+	  compilation by disabling inclusions of variant compile time
+	  data (build user, build_hostname, ...).
+
 config SWAP
 	bool "Support for paging of anonymous memory (swap)"
 	depends on MMU
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/init/Makefile linux-2.6.15/init/Makefile
--- linux-2.6.15.ref/init/Makefile	2006-01-25 20:52:03.000000000 -0800
+++ linux-2.6.15/init/Makefile	2006-02-22 19:43:10.000000000 -0800
@@ -23,7 +23,10 @@
 # mkcompile_h will make sure to only update the
 # actual file if its content has changed.
 
+mkcompile-y := $(srctree)/scripts/mkcompile_h
+mkcompile-$(CONFIG_IGNORE_COMPILE_INFO) := $(srctree)/scripts/mkcompile_fixed_h
+
 include/linux/compile.h: FORCE
 	@echo '  CHK     $@'
-	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkcompile_h $@ \
+	$(Q)$(CONFIG_SHELL) $(mkcompile-y) $@ \
 	"$(UTS_MACHINE)" "$(CONFIG_SMP)" "$(CONFIG_PREEMPT)" "$(CC) $(CFLAGS)"
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/init/version.c linux-2.6.15/init/version.c
--- linux-2.6.15.ref/init/version.c	2006-01-25 20:52:03.000000000 -0800
+++ linux-2.6.15/init/version.c	2006-02-22 19:43:10.000000000 -0800
@@ -28,6 +28,11 @@
 
 EXPORT_SYMBOL(system_utsname);
 
+#ifndef CONFIG_IGNORE_COMPILE_INFO
 const char linux_banner[] =
 	"Linux version " UTS_RELEASE " (" LINUX_COMPILE_BY "@"
 	LINUX_COMPILE_HOST ") (" LINUX_COMPILER ") " UTS_VERSION "\n";
+#else
+const char linux_banner[] =
+	"Linux version " UTS_RELEASE " (" LINUX_COMPILER ") (compile infos ignored)\n";
+#endif
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/mkcompile_fixed_h linux-2.6.15/mkcompile_fixed_h
--- linux-2.6.15.ref/mkcompile_fixed_h	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/mkcompile_fixed_h	2006-02-22 19:43:10.000000000 -0800
@@ -0,0 +1,34 @@
+TARGET=$1
+ARCH=$2
+SMP=$3
+PREEMPT=$4
+CC=$5
+
+# Generate a temporary compile.h
+
+( echo /\* This file is auto generated \*/
+
+  echo \#define UTS_MACHINE \"$ARCH\"
+
+  echo \#define UTS_VERSION \"\"
+
+  echo \#define LINUX_COMPILE_TIME \"\"
+  echo \#define LINUX_COMPILE_BY \"\"
+  echo \#define LINUX_COMPILE_HOST \"\"
+
+  echo \#define LINUX_COMPILE_DOMAIN \"\"
+
+  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+) > .tmpcompile
+
+# Only replace the real compile.h if the new one is different,
+# in order to preserve the timestamp and avoid unnecessary
+# recompilations.
+
+if [ -r $TARGET ] && cmp -s .tmpcompile $TARGET; then
+   rm -f .tmpcompile
+else
+   echo "  UPD     $TARGET"
+   mv -f .tmpcompile $TARGET
+fi
+rm -f .tmpver.1 .tmpver.2
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/README.1020.binary-identity.patch linux-2.6.15/README.1020.binary-identity.patch
--- linux-2.6.15.ref/README.1020.binary-identity.patch	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/README.1020.binary-identity.patch	2006-02-22 19:44:11.000000000 -0800
@@ -0,0 +1,19 @@
+Feature:
+--------
+Removal of timing sensitive information of the build to ensure the
+binary identity doesn't change.
+
+Prerequisite patch numbers:
+---------------------------
+none
+
+Primary author:
+---------------
+Emmanuel Michon
+
+Related to which chip version SMP86xx xx=?
+------------------------------------------
+Tango2 ES6/RevA or above, or Tango3 ES1 or above
+
+(linux patches) which CONFIG_... are provided:
+----------------------------------------------
diff -Naur --exclude=CVS --exclude='*.o' --exclude='*.a' --exclude='*.so' --exclude='*.elf' --exclude=System.map --exclude=Makefile.d --exclude='*log' --exclude='*log2' --exclude='*~' --exclude='.*~' --exclude='.#*' --exclude='*.bak' --exclude='*.orig' --exclude='*.rej' --exclude='core.[0-9]*' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=.depend --exclude='.*.o.flags' --exclude='*.gz' --exclude=vmlinux --exclude=vmlinux.bin --exclude=yamon-02.06-SIGMADESIGNS-01_el.bin linux-2.6.15.ref/scripts/mkcompile_fixed_h linux-2.6.15/scripts/mkcompile_fixed_h
--- linux-2.6.15.ref/scripts/mkcompile_fixed_h	1969-12-31 16:00:00.000000000 -0800
+++ linux-2.6.15/scripts/mkcompile_fixed_h	2006-02-22 19:43:10.000000000 -0800
@@ -0,0 +1,34 @@
+TARGET=$1
+ARCH=$2
+SMP=$3
+PREEMPT=$4
+CC=$5
+
+# Generate a temporary compile.h
+
+( echo /\* This file is auto generated \*/
+
+  echo \#define UTS_MACHINE \"$ARCH\"
+
+  echo \#define UTS_VERSION \"\"
+
+  echo \#define LINUX_COMPILE_TIME \"\"
+  echo \#define LINUX_COMPILE_BY \"\"
+  echo \#define LINUX_COMPILE_HOST \"\"
+
+  echo \#define LINUX_COMPILE_DOMAIN \"\"
+
+  echo \#define LINUX_COMPILER \"`$CC -v 2>&1 | tail -n 1`\"
+) > .tmpcompile
+
+# Only replace the real compile.h if the new one is different,
+# in order to preserve the timestamp and avoid unnecessary
+# recompilations.
+
+if [ -r $TARGET ] && cmp -s .tmpcompile $TARGET; then
+   rm -f .tmpcompile
+else
+   echo "  UPD     $TARGET"
+   mv -f .tmpcompile $TARGET
+fi
+rm -f .tmpver.1 .tmpver.2