diff options
Diffstat (limited to 'arch/arm64/kernel/hyp-stub.S')
| -rw-r--r-- | arch/arm64/kernel/hyp-stub.S | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/arm64/kernel/hyp-stub.S b/arch/arm64/kernel/hyp-stub.S index d63de1973ddb..65f76064c86b 100644 --- a/arch/arm64/kernel/hyp-stub.S +++ b/arch/arm64/kernel/hyp-stub.S @@ -82,7 +82,15 @@ SYM_CODE_START_LOCAL(__finalise_el2) tbnz x1, #0, 1f // Needs to be VHE capable, obviously - check_override id_aa64mmfr1 ID_AA64MMFR1_EL1_VH_SHIFT 2f 1f x1 x2 + check_override id_aa64mmfr1 ID_AA64MMFR1_EL1_VH_SHIFT 0f 1f x1 x2 + +0: // Check whether we only want the hypervisor to run VHE, not the kernel + adr_l x1, arm64_sw_feature_override + ldr x2, [x1, FTR_OVR_VAL_OFFSET] + ldr x1, [x1, FTR_OVR_MASK_OFFSET] + and x2, x2, x1 + ubfx x2, x2, #ARM64_SW_FEATURE_OVERRIDE_HVHE, #4 + cbz x2, 2f 1: mov_q x0, HVC_STUB_ERR eret |