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In both protected and nVHE mode, the hypervisor is capable of writing events into tracefs compatible ring-buffers. Create a trace remote so the kernel can read those buffers. This currently doesn't provide any event support which will come later. Signed-off-by: Vincent Donnefort <vdonnefort@google.com> Link: https://patch.msgid.link/20260309162516.2623589-25-vdonnefort@google.com Signed-off-by: Marc Zyngier <maz@kernel.org>
50 lines
1.4 KiB
Makefile
50 lines
1.4 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for Kernel-based Virtual Machine module
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#
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ccflags-y += -I $(src)
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include $(srctree)/virt/kvm/Makefile.kvm
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obj-$(CONFIG_KVM) += kvm.o
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obj-$(CONFIG_KVM) += hyp/
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CFLAGS_sys_regs.o += -Wno-override-init
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CFLAGS_handle_exit.o += -Wno-override-init
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kvm-y += arm.o mmu.o mmio.o psci.o hypercalls.o pvtime.o \
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inject_fault.o va_layout.o handle_exit.o config.o \
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guest.o debug.o reset.o sys_regs.o stacktrace.o \
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vgic-sys-reg-v3.o fpsimd.o pkvm.o \
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arch_timer.o trng.o vmid.o emulate-nested.o nested.o at.o \
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vgic/vgic.o vgic/vgic-init.o \
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vgic/vgic-irqfd.o vgic/vgic-v2.o \
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vgic/vgic-v3.o vgic/vgic-v4.o \
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vgic/vgic-mmio.o vgic/vgic-mmio-v2.o \
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vgic/vgic-mmio-v3.o vgic/vgic-kvm-device.o \
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vgic/vgic-its.o vgic/vgic-debug.o vgic/vgic-v3-nested.o \
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vgic/vgic-v5.o
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kvm-$(CONFIG_HW_PERF_EVENTS) += pmu-emul.o pmu.o
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kvm-$(CONFIG_ARM64_PTR_AUTH) += pauth.o
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kvm-$(CONFIG_PTDUMP_STAGE2_DEBUGFS) += ptdump.o
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kvm-$(CONFIG_NVHE_EL2_TRACING) += hyp_trace.o
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always-y := hyp_constants.h hyp-constants.s
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define rule_gen_hyp_constants
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$(call filechk,offsets,__HYP_CONSTANTS_H__)
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endef
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CFLAGS_hyp-constants.o = -I $(src)/hyp/include
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$(obj)/hyp-constants.s: $(src)/hyp/hyp-constants.c FORCE
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$(call if_changed_dep,cc_s_c)
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$(obj)/hyp_constants.h: $(obj)/hyp-constants.s FORCE
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$(call if_changed_rule,gen_hyp_constants)
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obj-kvm := $(addprefix $(obj)/, $(kvm-y))
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$(obj-kvm): $(obj)/hyp_constants.h
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