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| author | Marc Zyngier <marc.zyngier@arm.com> | 2013-01-22 04:36:12 +0400 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2013-02-11 22:58:55 +0400 |
| commit | 1a89dd9113badd7487313410a5f2e09b2944f92b (patch) | |
| tree | bc787a59d8a436dc5bb4916218dac77ac854bc9d /arch/arm/kvm/interrupts.S | |
| parent | 1638a12d4ee519ed397f4b9e6c088faed155d164 (diff) | |
| download | linux-1a89dd9113badd7487313410a5f2e09b2944f92b.tar.xz | |
ARM: KVM: Initial VGIC infrastructure code
Wire the basic framework code for VGIC support and the initial in-kernel
MMIO support code for the VGIC, used for the distributor emulation.
Reviewed-by: Will Deacon <will.deacon@arm.com>
Signed-off-by: Christoffer Dall <c.dall@virtualopensystems.com>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/kvm/interrupts.S')
| -rw-r--r-- | arch/arm/kvm/interrupts.S | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S index c5400d2e97ca..5f113bedfaee 100644 --- a/arch/arm/kvm/interrupts.S +++ b/arch/arm/kvm/interrupts.S @@ -94,6 +94,8 @@ ENTRY(__kvm_vcpu_run) save_host_regs + restore_vgic_state + @ Store hardware CP15 state and load guest state read_cp15_state store_to_vcpu = 0 write_cp15_state read_from_vcpu = 1 @@ -187,6 +189,8 @@ after_vfp_restore: read_cp15_state store_to_vcpu = 1 write_cp15_state read_from_vcpu = 0 + save_vgic_state + restore_host_regs clrex @ Clear exclusive monitor mov r0, r1 @ Return the return code |