51 lines
1.1 KiB
Makefile
51 lines
1.1 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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core-y += arch/x86/crypto/
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ifeq ($(CONFIG_X86_32),y)
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START := 0x8048000
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KBUILD_LDFLAGS += -m elf_i386
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ELF_ARCH := i386
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ELF_FORMAT := elf32-i386
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CHECKFLAGS += -D__i386__
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KBUILD_CFLAGS += $(call cc-option,-m32)
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KBUILD_AFLAGS += $(call cc-option,-m32)
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LINK-y += $(call cc-option,-m32)
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LDS_EXTRA := -Ui386
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export LDS_EXTRA
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# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
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include arch/x86/Makefile_32.cpu
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# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
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cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
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# Prevent sprintf in nfsd from being converted to strcpy and resulting in
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# an unresolved reference.
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cflags-y += -ffreestanding
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KBUILD_CFLAGS += $(cflags-y)
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else
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START := 0x60000000
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KBUILD_CFLAGS += -fno-builtin -m64
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CHECKFLAGS += -m64 -D__x86_64__
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KBUILD_AFLAGS += -m64
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KBUILD_LDFLAGS += -m elf_x86_64
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KBUILD_CPPFLAGS += -m64
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ELF_ARCH := i386:x86-64
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ELF_FORMAT := elf64-x86-64
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# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
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LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
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LINK-y += -m64
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endif
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