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| author | Antony Pavlov <antonynpavlov@gmail.com> | 2011-08-05 14:58:34 +0400 |
|---|---|---|
| committer | Sascha Hauer <s.hauer@pengutronix.de> | 2011-08-05 18:20:17 +0200 |
| commit | d3f66272bf53ae33123e9af0b809e425b932d5f9 (patch) | |
| tree | c8dc1d0e9baabab23d9d8ce8942bda276f8051ee /arch/mips/Makefile | |
| parent | 9b64050669a10c4c085f3fdb44e28ab70d90ee44 (diff) | |
| download | barebox-d3f66272bf53ae33123e9af0b809e425b932d5f9.tar.gz barebox-d3f66272bf53ae33123e9af0b809e425b932d5f9.tar.xz | |
MIPS: add common MIPS stuff
Add start.S, CP0 clocksource, Makefile, linker script and memory
layout function.
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/mips/Makefile')
| -rw-r--r-- | arch/mips/Makefile | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/arch/mips/Makefile b/arch/mips/Makefile new file mode 100644 index 0000000000..4cb549844a --- /dev/null +++ b/arch/mips/Makefile @@ -0,0 +1,99 @@ +# +# Select the object file format to substitute into the linker script. +# +ifdef CONFIG_CPU_LITTLE_ENDIAN +32bit-emul = elf32ltsmip +64bit-emul = elf64ltsmip +else +32bit-emul = elf32btsmip +64bit-emul = elf64btsmip +endif + +CPPFLAGS += -D__MIPS__ -fno-strict-aliasing -fno-merge-constants + +cflags-y += -G 0 -mno-abicalls -fno-pic -pipe +cflags-y += -Wall -Wmissing-prototypes -Wstrict-prototypes \ + -Wno-uninitialized -Wno-format -Wno-main + +ifdef CONFIG_32BIT +ld-emul = $(32bit-emul) +cflags-y += -mabi=32 +endif + +ifdef CONFIG_64BIT +ld-emul = $(64bit-emul) +cflags-y += -mabi=64 +endif + +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__ + +ifdef CONFIG_CPU_BIG_ENDIAN +cflags-y += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB $(undef-all) $(predef-be)) +ldflags-y += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' && echo -EB ) +endif + +ifdef CONFIG_CPU_LITTLE_ENDIAN +cflags-y += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL $(undef-all) $(predef-le)) +ldflags-y += $(shell $(CC) -dumpmachine |grep -q 'mips.*el-.*' || echo -EL ) +endif + +LDFLAGS += $(ldflags-y) -m $(ld-emul) + +# +# CPU-dependent compiler/assembler options for optimization. +# +cflags-$(CONFIG_CPU_MIPS32_R1) += $(call cc-option,-march=mips32,-mips32 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) -Wa,-mips32 -Wa,--trap +cflags-$(CONFIG_CPU_MIPS32_R2) += $(call cc-option,-march=mips32r2,-mips32r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS32) -Wa,-mips32r2 -Wa,--trap +cflags-$(CONFIG_CPU_MIPS64_R1) += $(call cc-option,-march=mips64,-mips64 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) -Wa,-mips64 -Wa,--trap +cflags-$(CONFIG_CPU_MIPS64_R2) += $(call cc-option,-march=mips64r2,-mips64r2 -U_MIPS_ISA -D_MIPS_ISA=_MIPS_ISA_MIPS64) -Wa,-mips64r2 -Wa,--trap + +CPPFLAGS += -DTEXT_BASE=$(CONFIG_TEXT_BASE) + +ifndef CONFIG_MODULES +# Add cleanup flags +CPPFLAGS += -fdata-sections -ffunction-sections +LDFLAGS_barebox += -static --gc-sections +endif + +LDFLAGS_barebox += -nostdlib + +machdirs := $(patsubst %,arch/mips/mach-%/,$(machine-y)) + +ifeq ($(KBUILD_SRC),) +CPPFLAGS += $(patsubst %,-I%include,$(machdirs)) +else +CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(machdirs)) +endif + +ifeq ($(incdir-y),) +incdir-y := $(machine-y) +endif +INCDIR := arch-$(incdir-y) + +all: $(KBUILD_IMAGE) + +ifneq ($(board-y),) +BOARD := arch/mips/boards/$(board-y)/ +else +BOARD := +endif + +ifneq ($(machine-y),) +MACH := arch/mips/mach-$(machine-y)/ +else +MACH := +endif + +common-y += $(BOARD) $(MACH) +common-y += arch/mips/lib/ +common-y += arch/mips/boot/ + +CPPFLAGS += $(cflags-y) +CFLAGS += $(cflags-y) + +lds-$(CONFIG_GENERIC_LINKER_SCRIPT) := arch/mips/lib/barebox.lds + +CLEAN_FILES += arch/mips/lib/barebox.lds barebox.map barebox.S |