X-Git-Url: https://git.rohieb.name/openwrt.git/blobdiff_plain/c588a703feb2241e803da3db71f685b57b408102..8be1093039aa9942ec456dff0255c2b0c41f2cce:/target/linux/generic/patches-2.6.37/991-ppc4xx_optimization.patch

diff --git a/target/linux/generic/patches-2.6.37/991-ppc4xx_optimization.patch b/target/linux/generic/patches-2.6.37/991-ppc4xx_optimization.patch
new file mode 100644
index 000000000..9598090a5
--- /dev/null
+++ b/target/linux/generic/patches-2.6.37/991-ppc4xx_optimization.patch
@@ -0,0 +1,31 @@
+Upstream doesn't optimize the kernel and bootwrappers for ppc44x because
+they still want to support gcc 3.3 -- well, we don't.
+
+--- a/arch/powerpc/Makefile
++++ b/arch/powerpc/Makefile
+@@ -130,7 +130,8 @@ ifeq ($(CONFIG_FUNCTION_TRACER),y)
+ KBUILD_CFLAGS		+= -mno-sched-epilog
+ endif
+ 
+-cpu-as-$(CONFIG_4xx)		+= -Wa,-m405
++cpu-as-$(CONFIG_40x)		+= -Wa,-m405
++cpu-as-$(CONFIG_44x)		+= -Wa,-m440
+ cpu-as-$(CONFIG_6xx)		+= -Wa,-maltivec
+ cpu-as-$(CONFIG_POWER4)		+= -Wa,-maltivec
+ cpu-as-$(CONFIG_E500)		+= -Wa,-me500
+--- a/arch/powerpc/boot/Makefile
++++ b/arch/powerpc/boot/Makefile
+@@ -38,10 +38,10 @@ BOOTCFLAGS	+= -I$(obj) -I$(srctree)/$(ob
+ DTS_FLAGS	?= -p 1024
+ 
+ $(obj)/4xx.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/ebony.o: BOOTCFLAGS += -mcpu=405
++$(obj)/ebony.o: BOOTCFLAGS += -mcpu=440
+ $(obj)/cuboot-hotfoot.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405
+-$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405
++$(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=440
++$(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=440
+ $(obj)/cuboot-acadia.o: BOOTCFLAGS += -mcpu=405
+ $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405
+ $(obj)/treeboot-iss4xx.o: BOOTCFLAGS += -mcpu=405