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04e4caa8d3
To complete the transition to SMCCC, the hyp initialization is given a function ID. This looks neater than comparing the hyp stub function IDs to the page table physical address. Some care is taken to only clobber x0-3 before the host context is saved as only those registers can be clobbered accoring to SMCCC. Fortunately, only a few acrobatics are needed. The possible new tpidr_el2 is moved to the argument in x2 so that it can be stashed in tpidr_el2 early to free up a scratch register. The page table configuration then makes use of x0-2. Signed-off-by: Andrew Scull <ascull@google.com> Signed-off-by: Marc Zyngier <maz@kernel.org> Link: https://lore.kernel.org/r/20200915104643.2543892-19-ascull@google.com
27 lines
794 B
Makefile
27 lines
794 B
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 $(srctree)/$(src)
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KVM=../../../virt/kvm
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obj-$(CONFIG_KVM) += kvm.o
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obj-$(CONFIG_KVM) += hyp/
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kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
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$(KVM)/vfio.o $(KVM)/irqchip.o \
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arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
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inject_fault.o regmap.o va_layout.o handle_exit.o \
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guest.o debug.o reset.o sys_regs.o \
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vgic-sys-reg-v3.o fpsimd.o pmu.o \
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aarch32.o arch_timer.o \
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vgic/vgic.o vgic/vgic-init.o \
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vgic/vgic-irqfd.o vgic/vgic-v2.o \
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vgic/vgic-v3.o vgic/vgic-v4.o \
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vgic/vgic-mmio.o vgic/vgic-mmio-v2.o \
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vgic/vgic-mmio-v3.o vgic/vgic-kvm-device.o \
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vgic/vgic-its.o vgic/vgic-debug.o
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kvm-$(CONFIG_KVM_ARM_PMU) += pmu-emul.o
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