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authorSteven J. Hill <Steven.Hill@imgtec.com>2013-03-25 13:27:11 -0500
committerRalf Baechle <ralf@linux-mips.org>2013-05-09 17:55:19 +0200
commitbce860833ab1e40113eb0efab34d0c8f3b0226b1 (patch)
tree9e66d8016cbc0a23ca99ac030dadecb62cd9a432 /arch/mips/Makefile
parent1658f914ff91c3bf572d5ddae3773720f6803d20 (diff)
MIPS: microMIPS: Add configuration option for microMIPS kernel.
This adds the option to build the Linux kernel using only the microMIPS ISA. The resulting kernel binary is, at a minimum, 20% smaller than using the MIPS32R2 ISA. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com>
Diffstat (limited to 'arch/mips/Makefile')
-rw-r--r--arch/mips/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile
index 6f7978f95090..dd58a04ef4bc 100644
--- a/arch/mips/Makefile
+++ b/arch/mips/Makefile
@@ -114,6 +114,7 @@ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*e
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le))
cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips)
+cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips -mno-jals)
cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \
-fno-omit-frame-pointer

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