diff options
Diffstat (limited to 'arch/arm64/kvm/hyp/hyp-entry.S')
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 2d87f36d5cb4..f6d9694ae3b1 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -62,6 +62,21 @@ ENTRY(__vhe_hyp_call) isb ret ENDPROC(__vhe_hyp_call) + +/* + * Compute the idmap address of __kvm_hyp_reset based on the idmap + * start passed as a parameter, and jump there. + * + * x0: HYP phys_idmap_start + */ +ENTRY(__kvm_hyp_teardown) + mov x4, x0 + adr_l x3, __kvm_hyp_reset + + /* insert __kvm_hyp_reset()s offset into phys_idmap_start */ + bfi x4, x3, #0, #PAGE_SHIFT + br x4 +ENDPROC(__kvm_hyp_teardown) el1_sync: // Guest trapped into EL2 save_x0_to_x3 |