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60 lines
1.6 KiB
60 lines
1.6 KiB
core-y += arch/x86/crypto/ |
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ifeq ($(CONFIG_X86_32),y) |
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START := 0x8048000 |
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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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export LDFLAGS |
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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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# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use |
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# a lot more stack due to the lack of sharing of stacklots. Also, gcc |
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# 4.3.0 needs -funit-at-a-time for extern inline functions. |
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KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \ |
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echo $(call cc-option,-fno-unit-at-a-time); \ |
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else echo $(call cc-option,-funit-at-a-time); fi ;) |
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KBUILD_CFLAGS += $(cflags-y) |
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else |
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START := 0x60000000 |
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KBUILD_CFLAGS += -fno-builtin -m64 |
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CHECKFLAGS += -m64 -D__x86_64__ |
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KBUILD_AFLAGS += -m64 |
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LDFLAGS += -m elf_x86_64 |
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KBUILD_CPPFLAGS += -m64 |
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ELF_ARCH := i386:x86-64 |
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ELF_FORMAT := elf64-x86-64 |
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# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. |
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LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 |
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LINK-y += -m64 |
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# Do unit-at-a-time unconditionally on x86_64, following the host |
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KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) |
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endif
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