diff options
| -rw-r--r-- | arch/arm64/kvm/hyp/entry.S | 10 | ||||
| -rw-r--r-- | arch/arm64/kvm/hyp/hyp-entry.S | 6 |
2 files changed, 10 insertions, 6 deletions
diff --git a/arch/arm64/kvm/hyp/entry.S b/arch/arm64/kvm/hyp/entry.S index 9c45c6af1f58..fe4678f20a85 100644 --- a/arch/arm64/kvm/hyp/entry.S +++ b/arch/arm64/kvm/hyp/entry.S @@ -62,8 +62,8 @@ ENTRY(__guest_enter) // Store the host regs save_callee_saved_regs x1 - // Store the host_ctxt for use at exit time - str x1, [sp, #-16]! + // Store host_ctxt and vcpu for use at exit time + stp x1, x0, [sp, #-16]! add x18, x0, #VCPU_CONTEXT @@ -159,6 +159,10 @@ abort_guest_exit_end: ENDPROC(__guest_exit) ENTRY(__fpsimd_guest_restore) + // x0: esr + // x1: vcpu + // x2-x29,lr: vcpu regs + // vcpu x0-x1 on the stack stp x2, x3, [sp, #-16]! stp x4, lr, [sp, #-16]! @@ -173,7 +177,7 @@ alternative_else alternative_endif isb - mrs x3, tpidr_el2 + mov x3, x1 ldr x0, [x3, #VCPU_HOST_CONTEXT] kern_hyp_va x0 diff --git a/arch/arm64/kvm/hyp/hyp-entry.S b/arch/arm64/kvm/hyp/hyp-entry.S index 5170ce1021da..fce7cc507e0a 100644 --- a/arch/arm64/kvm/hyp/hyp-entry.S +++ b/arch/arm64/kvm/hyp/hyp-entry.S @@ -104,6 +104,7 @@ el1_trap: /* * x0: ESR_EC */ + ldr x1, [sp, #16 + 8] // vcpu stored by __guest_enter /* * We trap the first access to the FP/SIMD to save the host context @@ -116,19 +117,18 @@ alternative_if_not ARM64_HAS_NO_FPSIMD b.eq __fpsimd_guest_restore alternative_else_nop_endif - mrs x1, tpidr_el2 mov x0, #ARM_EXCEPTION_TRAP b __guest_exit el1_irq: stp x0, x1, [sp, #-16]! - mrs x1, tpidr_el2 + ldr x1, [sp, #16 + 8] mov x0, #ARM_EXCEPTION_IRQ b __guest_exit el1_error: stp x0, x1, [sp, #-16]! - mrs x1, tpidr_el2 + ldr x1, [sp, #16 + 8] mov x0, #ARM_EXCEPTION_EL1_SERROR b __guest_exit |