diff options
| author | Marc Zyngier <marc.zyngier@arm.com> | 2016-01-03 11:01:49 +0000 |
|---|---|---|
| committer | Marc Zyngier <marc.zyngier@arm.com> | 2016-02-29 18:34:12 +0000 |
| commit | 0ca5565df8ef7534c0d85ec87e6c74f8ebe86e88 (patch) | |
| tree | 8e59e7da933cc8b9dd19992a5d6d956c26d70ca4 /arch/arm/kvm/interrupts.S | |
| parent | 42428525a9eefea9dda68de684381ce9f3dc4266 (diff) | |
ARM: KVM: Move VFP registers to a CPU context structure
In order to turn the WS code into something that looks a bit
more like the arm64 version, move the VFP registers into a
CPU context container for both the host and the guest.
Reviewed-by: Christoffer Dall <christoffer.dall@linaro.org>
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Diffstat (limited to 'arch/arm/kvm/interrupts.S')
| -rw-r--r-- | arch/arm/kvm/interrupts.S | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/arch/arm/kvm/interrupts.S b/arch/arm/kvm/interrupts.S index 9d9cb71df449..7bfb28936914 100644 --- a/arch/arm/kvm/interrupts.S +++ b/arch/arm/kvm/interrupts.S @@ -172,10 +172,11 @@ __kvm_vcpu_return: #ifdef CONFIG_VFPv3 @ Switch VFP/NEON hardware state to the host's - add r7, vcpu, #VCPU_VFP_GUEST + add r7, vcpu, #(VCPU_GUEST_CTXT + CPU_CTXT_VFP) store_vfp_state r7 - add r7, vcpu, #VCPU_VFP_HOST + add r7, vcpu, #VCPU_HOST_CTXT ldr r7, [r7] + add r7, r7, #CPU_CTXT_VFP restore_vfp_state r7 after_vfp_restore: @@ -482,10 +483,11 @@ switch_to_guest_vfp: set_hcptr vmtrap, (HCPTR_TCP(10) | HCPTR_TCP(11)) @ Switch VFP/NEON hardware state to the guest's - add r7, r0, #VCPU_VFP_HOST + add r7, r0, #VCPU_HOST_CTXT ldr r7, [r7] + add r7, r7, #CPU_CTXT_VFP store_vfp_state r7 - add r7, r0, #VCPU_VFP_GUEST + add r7, r0, #(VCPU_GUEST_CTXT + CPU_CTXT_VFP) restore_vfp_state r7 pop {r3-r7} |