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64e851689e
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
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Merge tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux
Pull UML updates from Richard Weinberger:
- Add support for rust (yay!)
- Add support for LTO
- Add platform bus support to virtio-pci
- Various virtio fixes
- Coding style, spelling cleanups
* tag 'uml-for-linus-6.3-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/uml/linux: (27 commits)
Documentation: rust: Fix arch support table
uml: vector: Remove unused definitions VECTOR_{WRITE,HEADERS}
um: virt-pci: properly remove PCI device from bus
um: virtio_uml: move device breaking into workqueue
um: virtio_uml: mark device as unregistered when breaking it
um: virtio_uml: free command if adding to virtqueue failed
UML: define RUNTIME_DISCARD_EXIT
virt-pci: add platform bus support
um-virt-pci: Make max delay configurable
um: virt-pci: implement pcibios_get_phb_of_node()
um: Support LTO
um: put power options in a menu
um: Use CFLAGS_vmlinux
um: Prevent building modules incompatible with MODVERSIONS
um: Avoid pcap multiple definition errors
um: Make the definition of cpu_data more compatible
x86: um: vdso: Add '%rcx' and '%r11' to the syscall clobber list
rust: arch/um: Add support for CONFIG_RUST under x86_64 UML
rust: arch/um: Disable FP/SIMD instruction to match x86
rust: arch/um: Use 'pie' relocation mode under UML
...
57 lines
1.4 KiB
Makefile
57 lines
1.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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core-y += arch/x86/crypto/
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#
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# Disable SSE and other FP/SIMD instructions to match normal x86
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#
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KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
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KBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2
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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 $(srctree)/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_RPATH) += -Wl,-rpath,/lib64
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LINK-y += -m64
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endif
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