[PATCH 06/19] arm64: KVM: Route asynchronous aborts

Marc Zyngier
2016-09-06T13:02:04Z

As we now have some basic handling to EL1-triggered aborts, we can
actually report them to KVM.

Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
---
arch/arm64/kvm/hyp/hyp-entry.S | 11 ++++++++---
1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index d6cae54..d2f6640 100644
--- a/arch/arm64/kvm/hyp/hyp-entry.S
+++ b/arch/arm64/kvm/hyp/hyp-entry.S
@@ -120,6 +120,12 @@ el1_irq:
mov x0, #ARM_EXCEPTION_IRQ
b __guest_exit

+el1_error:
+ stp x0, x1, [sp, #-16]!
+ mrs x1, tpidr_el2
+ mov x0, #ARM_EXCEPTION_EL1_SERROR
+ b __guest_exit
+
ENTRY(__hyp_do_panic)
mov lr, #(PSR_F_BIT | PSR_I_BIT | PSR_A_BIT | PSR_D_BIT |\
PSR_MODE_EL1h)
@@ -148,7 +154,6 @@ ENDPROC(\label)
invalid_vector el1_sync_invalid
invalid_vector el1_irq_invalid
invalid_vector el1_fiq_invalid
- invalid_vector el1_error_invalid

.ltorg

@@ -168,10 +173,10 @@ ENTRY(__kvm_hyp_vector)
ventry el1_sync // Synchronous 64-bit EL1
ventry el1_irq // IRQ 64-bit EL1
ventry el1_fiq_invalid // FIQ 64-bit EL1
- ventry el1_error_invalid // Error 64-bit EL1
+ ventry el1_error // Error 64-bit EL1

ventry el1_sync // Synchronous 32-bit EL1
ventry el1_irq // IRQ 32-bit EL1
ventry el1_fiq_invalid // FIQ 32-bit EL1
- ventry el1_error_invalid // Error 32-bit EL1
+ ventry el1_error // Error 32-bit EL1
ENDPROC(__kvm_hyp_vector)
--
2.1.4