diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/hyp-entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 24b4fbafe3e4..b1f14f736962 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -162,6 +162,20 @@ el1_error: mov x0, #ARM_EXCEPTION_EL1_SERROR b __guest_exit +el2_sync: + /* Check for illegal exception return, otherwise panic */ + mrs x0, spsr_el2 + + /* if this was something else, then panic! */ + tst x0, #PSR_IL_BIT + b.eq __hyp_panic + + /* Let's attempt a recovery from the illegal exception return */ + get_vcpu_ptr x1, x0 + mov x0, #ARM_EXCEPTION_IL + b __guest_exit + + el2_error: ldp x0, x1, [sp], #16 @@ -240,7 +254,7 @@ ENTRY(__kvm_hyp_vector) invalid_vect el2t_fiq_invalid // FIQ EL2t invalid_vect el2t_error_invalid // Error EL2t - invalid_vect el2h_sync_invalid // Synchronous EL2h + valid_vect el2_sync // Synchronous EL2h invalid_vect el2h_irq_invalid // IRQ EL2h invalid_vect el2h_fiq_invalid // FIQ EL2h valid_vect el2_error // Error EL2h |