99 lines
3.5 KiB
Makefile
99 lines
3.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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ccflags-y += -I $(srctree)/arch/x86/kvm
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ccflags-$(CONFIG_KVM_WERROR) += -Werror
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include $(srctree)/virt/kvm/Makefile.kvm
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kvm-y += x86.o emulate.o irq.o lapic.o cpuid.o pmu.o mtrr.o \
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debugfs.o mmu/mmu.o mmu/page_track.o mmu/spte.o
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kvm-$(CONFIG_X86_64) += mmu/tdp_iter.o mmu/tdp_mmu.o
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kvm-$(CONFIG_KVM_IOAPIC) += i8259.o i8254.o ioapic.o
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kvm-$(CONFIG_KVM_HYPERV) += hyperv.o
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kvm-$(CONFIG_KVM_XEN) += xen.o
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kvm-$(CONFIG_KVM_SMM) += smm.o
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kvm-intel-y += vmx/vmx.o vmx/vmenter.o vmx/pmu_intel.o vmx/vmcs12.o \
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vmx/nested.o vmx/posted_intr.o vmx/main.o
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kvm-intel-$(CONFIG_X86_SGX_KVM) += vmx/sgx.o
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kvm-intel-$(CONFIG_KVM_HYPERV) += vmx/hyperv.o vmx/hyperv_evmcs.o
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kvm-intel-$(CONFIG_KVM_INTEL_TDX) += vmx/tdx.o
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kvm-amd-y += svm/svm.o svm/vmenter.o svm/pmu.o svm/nested.o svm/avic.o
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kvm-amd-$(CONFIG_KVM_AMD_SEV) += svm/sev.o
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kvm-amd-$(CONFIG_KVM_HYPERV) += svm/hyperv.o
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ifdef CONFIG_HYPERV
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kvm-y += kvm_onhyperv.o
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kvm-intel-y += vmx/vmx_onhyperv.o vmx/hyperv_evmcs.o
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kvm-amd-y += svm/svm_onhyperv.o
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endif
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obj-$(CONFIG_KVM_X86) += kvm.o
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obj-$(CONFIG_KVM_INTEL) += kvm-intel.o
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obj-$(CONFIG_KVM_AMD) += kvm-amd.o
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AFLAGS_svm/vmenter.o := -iquote $(obj)
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$(obj)/svm/vmenter.o: $(obj)/kvm-asm-offsets.h
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AFLAGS_vmx/vmenter.o := -iquote $(obj)
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$(obj)/vmx/vmenter.o: $(obj)/kvm-asm-offsets.h
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$(obj)/kvm-asm-offsets.h: $(obj)/kvm-asm-offsets.s FORCE
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$(call filechk,offsets,__KVM_ASM_OFFSETS_H__)
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targets += kvm-asm-offsets.s
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clean-files += kvm-asm-offsets.h
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# Fail the build if there is unexpected EXPORT_SYMBOL_GPL (or EXPORT_SYMBOL)
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# usage. All KVM-internal exports should use EXPORT_SYMBOL_FOR_KVM_INTERNAL.
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# Only a handful of exports intended for other modules (VFIO, KVMGT) should
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# use EXPORT_SYMBOL_GPL, and EXPORT_SYMBOL should never be used.
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ifdef CONFIG_KVM_X86
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# Search recursively for whole words and print line numbers. Filter out the
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# allowed set of exports, i.e. those that are intended for external usage.
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exports_grep_trailer := --include='*.[ch]' -nrw $(srctree)/virt/kvm $(srctree)/arch/x86/kvm | \
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grep -v -e kvm_page_track_register_notifier \
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-e kvm_page_track_unregister_notifier \
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-e kvm_write_track_add_gfn \
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-e kvm_write_track_remove_gfn \
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-e kvm_get_kvm \
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-e kvm_get_kvm_safe \
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-e kvm_put_kvm
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# Force grep to emit a goofy group separator that can in turn be replaced with
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# the above newline macro (newlines in Make are a nightmare). Note, grep only
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# prints the group separator when N lines of context are requested via -C,
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# a.k.a. --NUM. Simply request zero lines. Print the separator only after
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# filtering out expected exports to avoid extra newlines in the error message.
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define get_kvm_exports
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$(shell grep "$(1)" -C0 $(exports_grep_trailer) | grep "$(1)" -C0 --group-separator="!SEP!")
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endef
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define check_kvm_exports
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nr_kvm_exports := $(shell grep "$(1)" $(exports_grep_trailer) | wc -l)
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ifneq (0,$$(nr_kvm_exports))
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$$(error ERROR ***\
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$$(newline)found $$(nr_kvm_exports) unwanted occurrences of $(1):\
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$$(newline) $(subst !SEP!,$$(newline) ,$(call get_kvm_exports,$(1)))\
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$$(newline)in directories:\
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$$(newline) $(srctree)/arch/x86/kvm\
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$$(newline) $(srctree)/virt/kvm\
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$$(newline)Use EXPORT_SYMBOL_FOR_KVM_INTERNAL, not $(1))
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endif # nr_kvm_exports != 0
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undefine nr_kvm_exports
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endef # check_kvm_exports
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$(eval $(call check_kvm_exports,EXPORT_SYMBOL_GPL))
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$(eval $(call check_kvm_exports,EXPORT_SYMBOL))
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undefine check_kvm_exports
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undefine get_kvm_exports
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undefine exports_grep_trailer
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endif # CONFIG_KVM_X86
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