[PATCH v3 15/25] ARM: KVM: Implement HVC_GET_VECTORS in the init code
Marc Zyngier
marc.zyngier at arm.com
Mon Mar 6 06:24:48 PST 2017
Now that we have an infrastructure to handle hypercalls in the KVM
init code, let's implement HVC_GET_VECTORS there.
Signed-off-by: Marc Zyngier <marc.zyngier at arm.com>
---
arch/arm/kvm/init.S | 7 ++++++-
1 file changed, 6 insertions(+), 1 deletion(-)
diff --git a/arch/arm/kvm/init.S b/arch/arm/kvm/init.S
index 9b0c735a68f7..0da120b71c2e 100644
--- a/arch/arm/kvm/init.S
+++ b/arch/arm/kvm/init.S
@@ -122,7 +122,12 @@ __do_hyp_init:
eret
ENTRY(__kvm_handle_stub_hvc)
- cmp r0, #HVC_RESET_VECTORS
+ cmp r0, #HVC_GET_VECTORS
+ bne 1f
+ mrc p15, 4, r0, c12, c0, 0 @ get HVBAR
+ b exit
+
+1: cmp r0, #HVC_RESET_VECTORS
bne 1f
ENTRY(__kvm_hyp_reset)
/* We're now in idmap, disable MMU */
--
2.11.0
More information about the linux-arm-kernel
mailing list