^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) core-y += arch/x86/crypto/
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4) ifeq ($(CONFIG_X86_32),y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) START := 0x8048000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7) KBUILD_LDFLAGS += -m elf_i386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) ELF_ARCH := i386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) ELF_FORMAT := elf32-i386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10) CHECKFLAGS += -D__i386__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) KBUILD_CFLAGS += $(call cc-option,-m32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) KBUILD_AFLAGS += $(call cc-option,-m32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14) LINK-y += $(call cc-option,-m32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) LDS_EXTRA := -Ui386
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) export LDS_EXTRA
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) include arch/x86/Makefile_32.cpu
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22) # prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23) cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) # Prevent sprintf in nfsd from being converted to strcpy and resulting in
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) # an unresolved reference.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) cflags-y += -ffreestanding
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) KBUILD_CFLAGS += $(cflags-y)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) else
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) START := 0x60000000
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) KBUILD_CFLAGS += -fno-builtin -m64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37) CHECKFLAGS += -m64 -D__x86_64__
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) KBUILD_AFLAGS += -m64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) KBUILD_LDFLAGS += -m elf_x86_64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40) KBUILD_CPPFLAGS += -m64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42) ELF_ARCH := i386:x86-64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) ELF_FORMAT := elf64-x86-64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45) # Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) LINK-y += -m64
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) endif