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| author | Felix Fietkau <nbd@nbd.name> | 2017-01-27 14:32:10 +0100 |
|---|---|---|
| committer | Felix Fietkau <nbd@nbd.name> | 2017-02-04 20:28:14 +0100 |
| commit | f791fb4af45032a653ba7c850f4564923871cb16 (patch) | |
| tree | c1fc4e564c8e27faad582e5b55a9ce91816a241c /target/linux/generic/patches-4.9/308-mips32r2_tune.patch | |
| parent | 7d00cfe9bb693e376ac9d035e13f8ce8a5ff572c (diff) | |
| download | mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.zip mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.gz mtk-20170518-f791fb4af45032a653ba7c850f4564923871cb16.tar.bz2 | |
kernel: add linux 4.9 support
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: Tim Harvey <tharvey@gateworks.com> [fixes]
Diffstat (limited to 'target/linux/generic/patches-4.9/308-mips32r2_tune.patch')
| -rw-r--r-- | target/linux/generic/patches-4.9/308-mips32r2_tune.patch | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/target/linux/generic/patches-4.9/308-mips32r2_tune.patch b/target/linux/generic/patches-4.9/308-mips32r2_tune.patch new file mode 100644 index 0000000..f2dbdac --- /dev/null +++ b/target/linux/generic/patches-4.9/308-mips32r2_tune.patch @@ -0,0 +1,17 @@ +Add -mtune=34kc to MIPS CFLAGS when building for mips32r2 +This provides a good tradeoff across at least 24Kc-74Kc, while also +producing smaller code. + +Signed-off-by: Felix Fietkau <nbd@nbd.name> + +--- a/arch/mips/Makefile ++++ b/arch/mips/Makefile +@@ -148,7 +148,7 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r46 + cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap + cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ + -Wa,-mips32 -Wa,--trap +-cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ ++cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2 -mtune=34kc,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) \ + -Wa,-mips32r2 -Wa,--trap + cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap + cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) \ |