Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-24 05:02:12 +00:00
Code Issues Packages Projects Releases Wiki Activity

MIPS: Makefile: Move the ASEs checks after setting the core's CFLAGS

Browse Source 
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>
This commit is contained in:
Markos Chandras 2015-02-02 15:41:01 +00:00 committed by Ralf Baechle
parent ed4cbc81ad
commit b3e76c44a5
1 changed files with 17 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

35
arch/mips/Makefile
View File

@ -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
#