diff options
Diffstat (limited to 'arch/arm64/kvm/hyp.S')
| -rw-r--r-- | arch/arm64/kvm/hyp.S | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/arch/arm64/kvm/hyp.S b/arch/arm64/kvm/hyp.S index 5befd010e232..17a8fb14f428 100644 --- a/arch/arm64/kvm/hyp.S +++ b/arch/arm64/kvm/hyp.S @@ -17,8 +17,10 @@ #include <linux/linkage.h> +#include <asm/alternative.h> #include <asm/asm-offsets.h> #include <asm/assembler.h> +#include <asm/cpufeature.h> #include <asm/debug-monitors.h> #include <asm/esr.h> #include <asm/fpsimdmacros.h> @@ -50,8 +52,8 @@ stp x29, lr, [x3, #80] mrs x19, sp_el0 - mrs x20, elr_el2 // EL1 PC - mrs x21, spsr_el2 // EL1 pstate + mrs x20, elr_el2 // pc before entering el2 + mrs x21, spsr_el2 // pstate before entering el2 stp x19, x20, [x3, #96] str x21, [x3, #112] @@ -82,8 +84,8 @@ ldr x21, [x3, #16] msr sp_el0, x19 - msr elr_el2, x20 // EL1 PC - msr spsr_el2, x21 // EL1 pstate + msr elr_el2, x20 // pc on return from el2 + msr spsr_el2, x21 // pstate on return from el2 add x3, x2, #CPU_XREG_OFFSET(19) ldp x19, x20, [x3] @@ -808,10 +810,7 @@ * Call into the vgic backend for state saving */ .macro save_vgic_state - adr x24, __vgic_sr_vectors - ldr x24, [x24, VGIC_SAVE_FN] - kern_hyp_va x24 - blr x24 + alternative_insn "bl __save_vgic_v2_state", "bl __save_vgic_v3_state", ARM64_HAS_SYSREG_GIC_CPUIF mrs x24, hcr_el2 mov x25, #HCR_INT_OVERRIDE neg x25, x25 @@ -828,10 +827,7 @@ orr x24, x24, #HCR_INT_OVERRIDE orr x24, x24, x25 msr hcr_el2, x24 - adr x24, __vgic_sr_vectors - ldr x24, [x24, #VGIC_RESTORE_FN] - kern_hyp_va x24 - blr x24 + alternative_insn "bl __restore_vgic_v2_state", "bl __restore_vgic_v3_state", ARM64_HAS_SYSREG_GIC_CPUIF .endm .macro save_timer_state @@ -1062,12 +1058,6 @@ ENTRY(__kvm_flush_vm_context) ret ENDPROC(__kvm_flush_vm_context) - // struct vgic_sr_vectors __vgi_sr_vectors; - .align 3 -ENTRY(__vgic_sr_vectors) - .skip VGIC_SR_VECTOR_SZ -ENDPROC(__vgic_sr_vectors) - __kvm_hyp_panic: // Guess the context by looking at VTTBR: // If zero, then we're already a host. |
