aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
diff options
context:
space:
mode:
authorJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
committerJonas Gorski <jogo@openwrt.org>2015-12-02 22:23:22 +0000
commit9da189b6160422c8fe396181ff2d496fa68408b2 (patch)
tree4d911e6fe2fe7e304d340276c06729b33099013c /target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
parent51a736c6287eb29cc5150f06ce8fdf10b7441a1b (diff)
downloadmaster-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.tar.gz
master-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.tar.bz2
master-187ad058-9da189b6160422c8fe396181ff2d496fa68408b2.zip
kernel: add linux 4.4 support
Based on 4.4-rc3. Runtime tested on MIPS. Signed-off-by: Jonas Gorski <jogo@openwrt.org> git-svn-id: svn://svn.openwrt.org/openwrt/trunk@47701 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch')
-rw-r--r--target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch31
1 files changed, 31 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch b/target/linux/generic/patches-4.4/320-ppc4xx_optimization.patch
new file mode 100644
index 0000000000..c1ce37da2f
--- /dev/null
+++ b/target/linux/generic/patches-4.4/320-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
+@@ -205,7 +205,8 @@ 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-$(CONFIG_ALTIVEC) += -Wa,-maltivec
+ cpu-as-$(CONFIG_E200) += -Wa,-me200
+
+--- a/arch/powerpc/boot/Makefile
++++ b/arch/powerpc/boot/Makefile
+@@ -48,10 +48,10 @@ BOOTCFLAGS += -I$(obj) -I$(srctree)/$(ob
+ DTC_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