iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

KVM: arm64: Move hyp-init.S to nVHE

Browse Source 
hyp-init.S contains the identity mapped initialisation code for the
non-VHE code that runs at EL2. It is only used for non-VHE.

Adjust code that calls into this to use the prefixed symbol name.

Signed-off-by: Andrew Scull <ascull@google.com>
Signed-off-by: David Brazdil <dbrazdil@google.com>
Signed-off-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200625131420.71444-8-dbrazdil@google.com
This commit is contained in:
Andrew Scull 2020-06-25 14:14:12 +01:00 committed by Marc Zyngier
parent b877e9849d
commit 208243c752
5 changed files with 10 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
arch/arm64/include/asm/kvm_asm.h
View File

@ -78,10 +78,9 @@
struct kvm;
struct kvm_vcpu;
extern char __kvm_hyp_init[];
extern char __kvm_hyp_init_end[];
DECLARE_KVM_NVHE_SYM(__kvm_hyp_init);
DECLARE_KVM_HYP_SYM(__kvm_hyp_vector);
#define __kvm_hyp_init CHOOSE_NVHE_SYM(__kvm_hyp_init)
#define __kvm_hyp_vector CHOOSE_HYP_SYM(__kvm_hyp_vector)
#ifdef CONFIG_KVM_INDIRECT_VECTORS

9
arch/arm64/kernel/image-vars.h
View File

@ -71,9 +71,6 @@ KVM_NVHE_ALIAS(__guest_exit);
KVM_NVHE_ALIAS(abort_guest_exit_end);
KVM_NVHE_ALIAS(abort_guest_exit_start);
/* Symbols defined in hyp-init.S (not yet compiled with nVHE build rules). */
KVM_NVHE_ALIAS(__kvm_handle_stub_hvc);
/* Symbols defined in switch.c (not yet compiled with nVHE build rules). */
KVM_NVHE_ALIAS(__kvm_vcpu_run_nvhe);
KVM_NVHE_ALIAS(hyp_panic);
@ -113,6 +110,12 @@ KVM_NVHE_ALIAS(kimage_voffset);
/* Kernel symbols used to call panic() from nVHE hyp code (via ERET). */
KVM_NVHE_ALIAS(panic);
/* Vectors installed by hyp-init on reset HVC. */
KVM_NVHE_ALIAS(__hyp_stub_vectors);
/* IDMAP TCR_EL1.T0SZ as computed by the EL1 init code */
KVM_NVHE_ALIAS(idmap_t0sz);
#endif /* CONFIG_KVM */
#endif /* __ARM64_KERNEL_IMAGE_VARS_H */

2
arch/arm64/kvm/Makefile
View File

@ -13,7 +13,7 @@ obj-$(CONFIG_KVM) += hyp/
kvm-y := $(KVM)/kvm_main.o $(KVM)/coalesced_mmio.o $(KVM)/eventfd.o \
$(KVM)/vfio.o $(KVM)/irqchip.o \
arm.o mmu.o mmio.o psci.o perf.o hypercalls.o pvtime.o \
inject_fault.o regmap.o va_layout.o hyp.o hyp-init.o handle_exit.o \
inject_fault.o regmap.o va_layout.o hyp.o handle_exit.o \
guest.o debug.o reset.o sys_regs.o sys_regs_generic_v8.o \
vgic-sys-reg-v3.o fpsimd.o pmu.o \
aarch32.o arch_timer.o \

2
arch/arm64/kvm/hyp/nvhe/Makefile
View File

@ -6,7 +6,7 @@
asflags-y := -D__KVM_NVHE_HYPERVISOR__
ccflags-y := -D__KVM_NVHE_HYPERVISOR__
obj-y := ../hyp-entry.o
obj-y := hyp-init.o ../hyp-entry.o
obj-y := $(patsubst %.o,%.hyp.o,$(obj-y))
extra-y := $(patsubst %.hyp.o,%.hyp.tmp.o,$(obj-y))

0
arch/arm64/kvm/hyp-init.S → arch/arm64/kvm/hyp/nvhe/hyp-init.S
View File