diff options
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index a8521de14791..bbac51e11179 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -113,7 +113,16 @@ 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) $(predef-le)) -cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) +# For smartmips configurations, there are hundreds of warnings due to ISA overrides +# in assembly and header files. smartmips is only supported for MIPS32r1 onwards +# and there is no support for 64-bit. Various '.set mips2' or '.set mips3' or +# similar directives in the kernel will spam the build logs with the following warnings: +# Warning: the `smartmips' extension requires MIPS32 revision 1 or greater +# or +# Warning: the 64-bit MIPS architecture does not support the `smartmips' extension +# Pass -Wa,--no-warn to disable all assembler warnings until the kernel code has +# been fixed properly. +cflags-$(CONFIG_CPU_HAS_SMARTMIPS) += $(call cc-option,-msmartmips) -Wa,--no-warn cflags-$(CONFIG_CPU_MICROMIPS) += $(call cc-option,-mmicromips) cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ @@ -151,8 +160,10 @@ cflags-$(CONFIG_CPU_NEVADA) += $(call cc-option,-march=rm5200,-march=r5000) \ -Wa,--trap cflags-$(CONFIG_CPU_RM7000) += $(call cc-option,-march=rm7000,-march=r5000) \ -Wa,--trap -cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1 -mno-mdmx -mno-mips3d,-march=r5000) \ +cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-march=sb1,-march=r5000) \ -Wa,--trap +cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mdmx) +cflags-$(CONFIG_CPU_SB1) += $(call cc-option,-mno-mips3d) cflags-$(CONFIG_CPU_R8000) += -march=r8000 -Wa,--trap cflags-$(CONFIG_CPU_R10000) += $(call cc-option,-march=r10000,-march=r8000) \ -Wa,--trap |