27 lines
986 B
Makefile
27 lines
986 B
Makefile
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#
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# The stub may be linked into the kernel proper or into a separate boot binary,
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# but in either case, it executes before the kernel does (with MMU disabled) so
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# things like ftrace and stack-protector are likely to cause trouble if left
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# enabled, even if doing so doesn't break the build.
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#
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cflags-$(CONFIG_X86_32) := -march=i386
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cflags-$(CONFIG_X86_64) := -mcmodel=small
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cflags-$(CONFIG_X86) += -m$(BITS) -D__KERNEL__ $(LINUX_INCLUDE) -O2 \
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-fPIC -fno-strict-aliasing -mno-red-zone \
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-mno-mmx -mno-sse -DDISABLE_BRANCH_PROFILING
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cflags-$(CONFIG_ARM64) := $(subst -pg,,$(KBUILD_CFLAGS))
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cflags-$(CONFIG_ARM) := $(subst -pg,,$(KBUILD_CFLAGS)) \
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-fno-builtin -fpic -mno-single-pic-base
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KBUILD_CFLAGS := $(cflags-y) \
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$(call cc-option,-ffreestanding) \
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$(call cc-option,-fno-stack-protector)
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GCOV_PROFILE := n
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lib-y := efi-stub-helper.o
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lib-$(CONFIG_EFI_ARMSTUB) += arm-stub.o fdt.o
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CFLAGS_fdt.o += -I$(srctree)/scripts/dtc/libfdt/
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