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| author | Steven J. Hill <Steven.Hill@imgtec.com> | 2013-03-25 19:27:11 +0100 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2013-05-09 17:55:19 +0200 |
| commit | bce860833ab1e40113eb0efab34d0c8f3b0226b1 (patch) | |
| tree | 9e66d8016cbc0a23ca99ac030dadecb62cd9a432 /arch/mips/Makefile | |
| parent | MIPS: microMIPS: Disable LL/SC and fix linker bug. (diff) | |
| download | linux-bce860833ab1e40113eb0efab34d0c8f3b0226b1.tar.xz linux-bce860833ab1e40113eb0efab34d0c8f3b0226b1.zip | |
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/Makefile | 1 |
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 |