arm64: KVM: Route asynchronous aborts

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>
Signed-off-by: Christoffer Dall <christoffer.dall@linaro.org>

diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S
index d6cae54..d2f6640 100644 (file)
--- 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)