84 lines
1.6 KiB
Makefile
84 lines
1.6 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0-only
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OBJCOPYFLAGS :=-O binary
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GZFLAGS :=-9
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ifdef CONFIG_CPU_HAS_FPU
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FPUEXT = f
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endif
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ifdef CONFIG_CPU_HAS_VDSP
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VDSPEXT = v
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endif
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ifdef CONFIG_CPU_HAS_TEE
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TEEEXT = t
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endif
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ifdef CONFIG_CPU_CK610
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CPUTYPE = ck610
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CSKYABI = abiv1
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endif
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ifdef CONFIG_CPU_CK810
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CPUTYPE = ck810
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CSKYABI = abiv2
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endif
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ifdef CONFIG_CPU_CK807
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CPUTYPE = ck807
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CSKYABI = abiv2
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endif
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ifdef CONFIG_CPU_CK860
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CPUTYPE = ck860
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CSKYABI = abiv2
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endif
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ifneq ($(CSKYABI),)
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MCPU_STR = $(CPUTYPE)$(FPUEXT)$(VDSPEXT)$(TEEEXT)
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KBUILD_CFLAGS += -mcpu=$(CPUTYPE) -Wa,-mcpu=$(MCPU_STR)
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KBUILD_CFLAGS += -DCSKYCPU_DEF_NAME=\"$(MCPU_STR)\"
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KBUILD_CFLAGS += -msoft-float -mdiv
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KBUILD_CFLAGS += -fno-tree-vectorize
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endif
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KBUILD_CFLAGS += -pipe
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ifeq ($(CSKYABI),abiv2)
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KBUILD_CFLAGS += -mno-stack-size
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endif
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ifdef CONFIG_FRAME_POINTER
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KBUILD_CFLAGS += -mbacktrace
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endif
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abidirs := $(patsubst %,arch/csky/%/,$(CSKYABI))
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KBUILD_CFLAGS += $(patsubst %,-I$(srctree)/%inc,$(abidirs))
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KBUILD_CPPFLAGS += -mlittle-endian
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LDFLAGS += -EL
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KBUILD_AFLAGS += $(KBUILD_CFLAGS)
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head-y := arch/csky/kernel/head.o
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core-y += arch/csky/kernel/
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core-y += arch/csky/mm/
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core-y += arch/csky/$(CSKYABI)/
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libs-y += arch/csky/lib/ \
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$(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
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boot := arch/csky/boot
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core-y += $(boot)/dts/
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all: zImage
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zImage Image uImage: vmlinux
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$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
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define archhelp
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echo '* zImage - Compressed kernel image (arch/$(ARCH)/boot/zImage)'
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echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
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echo ' uImage - U-Boot wrapped zImage'
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endef
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