On 18.07.14 02:55, Scott Wood wrote:
On Thu, 2014-07-17 at 17:01 +0530, Bharat Bhushan wrote:
There are shadow registers like, GSPRG[0-3], GSRR0, GSRR1 etc on
BOOKE-HV and these shadow registers are guest accessible.
So these shadow registers needs to be updated on BOOKE-HV.
This patch adds new macro for get/set helper of shadow register .
Signed-off-by: Bharat Bhushan <Bharat.Bhushan@xxxxxxxxxxxxx>
---
v1->v2
- Fix compilation for book3s (separate macro etc)
arch/powerpc/include/asm/kvm_ppc.h | 44 +++++++++++++++++++++++++++++++-------
1 file changed, 36 insertions(+), 8 deletions(-)
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index f3f7611..7646994 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -475,8 +475,20 @@ static inline bool kvmppc_shared_big_endian(struct kvm_vcpu *vcpu)
#endif
}
+#define SPRNG_WRAPPER_GET(reg, e500hv_spr) \
+static inline ulong kvmppc_get_##reg(struct kvm_vcpu *vcpu) \
+{ \
+ return mfspr(e500hv_spr); \
+} \
+
+#define SPRNG_WRAPPER_SET(reg, e500hv_spr) \
+static inline void kvmppc_set_##reg(struct kvm_vcpu *vcpu, ulong val) \
+{ \
+ mtspr(e500hv_spr, val); \
+} \
Why "e500hv" rather than "bookehv"?
No good reason. Bharat, could you please send a quick patch to rename them?
Alex
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