diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2013-08-09 18:19:11 +0100 |
|---|---|---|
| committer | Christoffer Dall <christoffer.dall@linaro.org> | 2014-07-11 04:57:36 -0700 |
| commit | ac3c3747e2db2f326ffc601651de544cdd33a8e9 (patch) | |
| tree | e76478680edaf50dd89d7c9abe3cd476fa500d7b /arch/arm64/kvm/hyp.S | |
| parent | 1a9b13056dde7e3092304d6041ccc60a913042ea (diff) | |
| download | talos-obmc-linux-ac3c3747e2db2f326ffc601651de544cdd33a8e9.tar.gz talos-obmc-linux-ac3c3747e2db2f326ffc601651de544cdd33a8e9.zip | |
arm64: KVM: move HCR_EL2.{IMO,FMO} manipulation into the vgic switch code
GICv3 requires the IMO and FMO bits to be tightly coupled with some
of the interrupt controller's register switch.
In order to have similar code paths, move the manipulation of these
bits to the GICv2 switch code.
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm64/kvm/hyp.S')
| -rw-r--r-- | arch/arm64/kvm/hyp.S | 17 |
1 files changed, 12 insertions, 5 deletions
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index 56df9a352a81..5945f3bdea7a 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -335,11 +335,8 @@ .endm .macro activate_traps - ldr x2, [x0, #VCPU_IRQ_LINES] - ldr x1, [x0, #VCPU_HCR_EL2] - orr x2, x2, x1 - msr hcr_el2, x2 - + ldr x2, [x0, #VCPU_HCR_EL2] + msr hcr_el2, x2 ldr x2, =(CPTR_EL2_TTA) msr cptr_el2, x2 @@ -382,12 +379,22 @@ ldr x24, [x24, VGIC_SAVE_FN] kern_hyp_va x24 blr x24 + mrs x24, hcr_el2 + mov x25, #HCR_INT_OVERRIDE + neg x25, x25 + and x24, x24, x25 + msr hcr_el2, x24 .endm /* * Call into the vgic backend for state restoring */ .macro restore_vgic_state + mrs x24, hcr_el2 + ldr x25, [x0, #VCPU_IRQ_LINES] + orr x24, x24, #HCR_INT_OVERRIDE + orr x24, x24, x25 + msr hcr_el2, x24 adr x24, __vgic_sr_vectors ldr x24, [x24, #VGIC_RESTORE_FN] kern_hyp_va x24 |
