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53 lines
1.7 KiB
Makefile
53 lines
1.7 KiB
Makefile
# Makefile for the Hexagon arch
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KBUILD_DEFCONFIG = comet_defconfig
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# Do not use GP-relative jumps
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KBUILD_CFLAGS += -G0
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LDFLAGS_vmlinux += -G0
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# Do not use single-byte enums; these will overflow.
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KBUILD_CFLAGS += -fno-short-enums
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# Modules must use either long-calls, or use pic/plt.
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# Use long-calls for now, it's easier. And faster.
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# CFLAGS_MODULE += -fPIC
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# LDFLAGS_MODULE += -shared
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CFLAGS_MODULE += -mlong-calls
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cflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
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cflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
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cflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
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cflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
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aflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
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aflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
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aflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
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aflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
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ldflags-$(CONFIG_HEXAGON_ARCH_V1) += $(call cc-option,-mv1)
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ldflags-$(CONFIG_HEXAGON_ARCH_V2) += $(call cc-option,-mv2)
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ldflags-$(CONFIG_HEXAGON_ARCH_V3) += $(call cc-option,-mv3)
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ldflags-$(CONFIG_HEXAGON_ARCH_V4) += $(call cc-option,-mv4)
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(aflags-y)
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# no KBUILD_LDFLAGS?
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LDFLAGS += $(ldflags-y)
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# Thread-info register will be r19. This value is not configureable;
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# it is hard-coded in several files.
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TIR_NAME := r19
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KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
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KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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libs-y += $(LIBGCC)
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head-y := arch/hexagon/kernel/head.o
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core-y += arch/hexagon/kernel/ \
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arch/hexagon/mm/ \
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arch/hexagon/lib/
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