diff options
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 48 |
1 files changed, 15 insertions, 33 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile index e1c44aed8156..0d0f29d662c9 100644 --- a/arch/mips/Makefile +++ b/arch/mips/Makefile @@ -116,33 +116,8 @@ endif cflags-y += -ffreestanding -# -# We explicitly add the endianness specifier if needed, this allows -# to compile kernels with a toolchain for the other endianness. We -# carefully avoid to add it redundantly because gcc 3.3/3.4 complains -# when fed the toolchain default! -# -# Certain gcc versions up to gcc 4.1.1 (probably 4.2-subversion as of -# 2006-10-10 don't properly change the predefined symbols if -EB / -EL -# are used, so we kludge that here. A bug has been filed at -# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=29413. -# -# clang doesn't suffer from these issues and our checks against -dumpmachine -# don't work so well when cross compiling, since without providing --target -# clang's output will be based upon the build machine. So for clang we simply -# unconditionally specify -EB or -EL as appropriate. -# -ifdef CONFIG_CC_IS_CLANG cflags-$(CONFIG_CPU_BIG_ENDIAN) += -EB cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -EL -else -undef-all += -UMIPSEB -U_MIPSEB -U__MIPSEB -U__MIPSEB__ -undef-all += -UMIPSEL -U_MIPSEL -U__MIPSEL -U__MIPSEL__ -predef-be += -DMIPSEB -D_MIPSEB -D__MIPSEB -D__MIPSEB__ -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) $(predef-le)) -endif cflags-$(CONFIG_SB1XXX_CORELIS) += $(call cc-option,-mno-sched-prolog) \ -fno-omit-frame-pointer @@ -171,10 +146,13 @@ cflags-$(CONFIG_CPU_R4X00) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_TX49XX) += -march=r4600 -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R1) += -march=mips32 -Wa,--trap cflags-$(CONFIG_CPU_MIPS32_R2) += -march=mips32r2 -Wa,--trap +cflags-$(CONFIG_CPU_MIPS32_R5) += -march=mips32r5 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS32_R6) += -march=mips32r6 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_MIPS64_R1) += -march=mips64 -Wa,--trap cflags-$(CONFIG_CPU_MIPS64_R2) += -march=mips64r2 -Wa,--trap +cflags-$(CONFIG_CPU_MIPS64_R5) += -march=mips64r5 -Wa,--trap cflags-$(CONFIG_CPU_MIPS64_R6) += -march=mips64r6 -Wa,--trap +cflags-$(CONFIG_CPU_P5600) += -march=p5600 -Wa,--trap -modd-spreg cflags-$(CONFIG_CPU_R5000) += -march=r5000 -Wa,--trap cflags-$(CONFIG_CPU_R5500) += $(call cc-option,-march=r5500,-march=r5000) \ -Wa,--trap @@ -288,12 +266,23 @@ ifdef CONFIG_64BIT endif endif +# When linking a 32-bit executable the LLVM linker cannot cope with a +# 32-bit load address that has been sign-extended to 64 bits. Simply +# remove the upper 32 bits then, as it is safe to do so with other +# linkers. +ifdef CONFIG_64BIT + load-ld = $(load-y) +else + load-ld = $(subst 0xffffffff,0x,$(load-y)) +endif + KBUILD_AFLAGS += $(cflags-y) KBUILD_CFLAGS += $(cflags-y) -KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) +KBUILD_CPPFLAGS += -DVMLINUX_LOAD_ADDRESS=$(load-y) -DLINKER_LOAD_ADDRESS=$(load-ld) KBUILD_CPPFLAGS += -DDATAOFFSET=$(if $(dataoffset-y),$(dataoffset-y),0) bootvars-y = VMLINUX_LOAD_ADDRESS=$(load-y) \ + LINKER_LOAD_ADDRESS=$(load-ld) \ VMLINUX_ENTRY_ADDRESS=$(entry-y) \ PLATFORM="$(platform-y)" \ ITS_INPUTS="$(its-y)" @@ -359,12 +348,6 @@ ifeq ($(shell expr $(zload-y) \< 0xffffffff80000000 2> /dev/null), 0) bootz-y += uzImage.bin endif -ifdef CONFIG_LASAT -rom.bin rom.sw: vmlinux - $(Q)$(MAKE) $(build)=arch/mips/lasat/image \ - $(bootvars-y) $@ -endif - # # Some machines like the Indy need 32-bit ELF binaries for booting purposes. # Other need ECOFF, so we build a 32-bit ELF binary for them which we then @@ -430,7 +413,6 @@ archclean: $(Q)$(MAKE) $(clean)=arch/mips/boot $(Q)$(MAKE) $(clean)=arch/mips/boot/compressed $(Q)$(MAKE) $(clean)=arch/mips/boot/tools - $(Q)$(MAKE) $(clean)=arch/mips/lasat archheaders: $(Q)$(MAKE) $(build)=arch/mips/kernel/syscalls all |