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| author | Markos Chandras <markos.chandras@imgtec.com> | 2015-02-02 15:41:01 +0000 |
|---|---|---|
| committer | Ralf Baechle <ralf@linux-mips.org> | 2015-02-16 10:55:26 +0100 |
| commit | b3e76c44a55e4452a0717a7eafb3b608b13629f9 (patch) | |
| tree | 803898922a12618480b7b39caa3866f536692906 /arch/mips/Makefile | |
| parent | ed4cbc81addbc076b016c5b979fd1a02f0897f0a (diff) | |
| download | lwn-b3e76c44a55e4452a0717a7eafb3b608b13629f9.tar.gz lwn-b3e76c44a55e4452a0717a7eafb3b608b13629f9.zip | |
MIPS: Makefile: Move the ASEs checks after setting the core's CFLAGS
We need to check the ASEs support against the core's CFLAGS instead
of depending to the default -march option from the toolchain.
Signed-off-by: Markos Chandras <markos.chandras@imgtec.com>
Cc: Maciej W. Rozycki <macro@linux-mips.org>
Cc: linux-mips@linux-mips.org
Patchwork: https://patchwork.linux-mips.org/patch/9180/
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 35 |
1 files changed, 17 insertions, 18 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index 2563a088d3b8..61818364221d 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -122,26 +122,8 @@ predef-le += -DMIPSEL -D_MIPSEL -D__MIPSEL -D__MIPSEL__ cflags-$(CONFIG_CPU_BIG_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) -# For smartmips configurations, there are hundreds of warnings due to ISA overrides -# in assembly and header files. smartmips is only supported for MIPS32r1 onwards -# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or -# similar directives in the kernel will spam the build logs with the following warnings: -# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater -# or -# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension -# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has -# been fixed properly. -cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) -Wa,--no-warn -cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips) - cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ -fno-omit-frame-pointer - -ifeq ($(CONFIG_CPU_HAS_MSA),y) -toolchain-msa := $(call cc-option-yn,-mhard-float -mfp64 -Wa$(comma)-mmsa) -cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA -endif - # # CPU-dependent compiler/assembler options for optimization. # @@ -194,6 +176,23 @@ KBUILD_CFLAGS_MODULE += -msb1-pass1-workarounds endif endif +# For smartmips configurations, there are hundreds of warnings due to ISA overrides +# in assembly and header files. smartmips is only supported for MIPS32r1 onwards +# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or +# similar directives in the kernel will spam the build logs with the following warnings: +# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater +# or +# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension +# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has +# been fixed properly. +mips-cflags := "$(cflags-y)" +cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,$(mips-cflags),-msmartmips) -Wa,--no-warn +cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,$(mips-cflags),-mmicromips) +ifeq ($(CONFIG_CPU_HAS_MSA),y) +toolchain-msa := $(call cc-option-yn,-$(mips-cflags),mhard-float -mfp64 -Wa$(comma)-mmsa) +cflags-$(toolchain-msa) += -DTOOLCHAIN_SUPPORTS_MSA +endif + # # Firmware support # |