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Diffstat (limited to 'arch/powerpc/include/asm/kvm_ppc.h')
-rw-r--r--arch/powerpc/include/asm/kvm_ppc.h97
1 files changed, 31 insertions, 66 deletions
diff --git a/arch/powerpc/include/asm/kvm_ppc.h b/arch/powerpc/include/asm/kvm_ppc.h
index e2642829e435..18d139ec2d22 100644
--- a/arch/powerpc/include/asm/kvm_ppc.h
+++ b/arch/powerpc/include/asm/kvm_ppc.h
@@ -30,6 +30,8 @@
#include <linux/kvm_host.h>
#ifdef CONFIG_PPC_BOOK3S
#include <asm/kvm_book3s.h>
+#else
+#include <asm/kvm_booke.h>
#endif
enum emulation_result {
@@ -37,6 +39,7 @@ enum emulation_result {
EMULATE_DO_MMIO, /* kvm_run filled with MMIO request */
EMULATE_DO_DCR, /* kvm_run filled with DCR request */
EMULATE_FAIL, /* can't emulate this instruction */
+ EMULATE_AGAIN, /* something went wrong. go again */
};
extern int __kvmppc_vcpu_run(struct kvm_run *kvm_run, struct kvm_vcpu *vcpu);
@@ -48,8 +51,11 @@ extern void kvmppc_dump_vcpu(struct kvm_vcpu *vcpu);
extern int kvmppc_handle_load(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int rt, unsigned int bytes,
int is_bigendian);
+extern int kvmppc_handle_loads(struct kvm_run *run, struct kvm_vcpu *vcpu,
+ unsigned int rt, unsigned int bytes,
+ int is_bigendian);
extern int kvmppc_handle_store(struct kvm_run *run, struct kvm_vcpu *vcpu,
- u32 val, unsigned int bytes, int is_bigendian);
+ u64 val, unsigned int bytes, int is_bigendian);
extern int kvmppc_emulate_instruction(struct kvm_run *run,
struct kvm_vcpu *vcpu);
@@ -63,6 +69,7 @@ extern void kvmppc_mmu_map(struct kvm_vcpu *vcpu, u64 gvaddr, gpa_t gpaddr,
extern void kvmppc_mmu_priv_switch(struct kvm_vcpu *vcpu, int usermode);
extern void kvmppc_mmu_switch_pid(struct kvm_vcpu *vcpu, u32 pid);
extern void kvmppc_mmu_destroy(struct kvm_vcpu *vcpu);
+extern int kvmppc_mmu_init(struct kvm_vcpu *vcpu);
extern int kvmppc_mmu_dtlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
extern int kvmppc_mmu_itlb_index(struct kvm_vcpu *vcpu, gva_t eaddr);
extern gpa_t kvmppc_mmu_xlate(struct kvm_vcpu *vcpu, unsigned int gtlb_index,
@@ -88,6 +95,8 @@ extern void kvmppc_core_queue_dec(struct kvm_vcpu *vcpu);
extern void kvmppc_core_dequeue_dec(struct kvm_vcpu *vcpu);
extern void kvmppc_core_queue_external(struct kvm_vcpu *vcpu,
struct kvm_interrupt *irq);
+extern void kvmppc_core_dequeue_external(struct kvm_vcpu *vcpu,
+ struct kvm_interrupt *irq);
extern int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
unsigned int op, int *advance);
@@ -99,81 +108,37 @@ extern void kvmppc_booke_exit(void);
extern void kvmppc_core_destroy_mmu(struct kvm_vcpu *vcpu);
-#ifdef CONFIG_PPC_BOOK3S
-
-/* We assume we're always acting on the current vcpu */
-
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
- if ( num < 14 ) {
- get_paca()->shadow_vcpu.gpr[num] = val;
- to_book3s(vcpu)->shadow_vcpu.gpr[num] = val;
- } else
- vcpu->arch.gpr[num] = val;
-}
-
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
- if ( num < 14 )
- return get_paca()->shadow_vcpu.gpr[num];
- else
- return vcpu->arch.gpr[num];
-}
-
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
-{
- get_paca()->shadow_vcpu.cr = val;
- to_book3s(vcpu)->shadow_vcpu.cr = val;
-}
-
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
- return get_paca()->shadow_vcpu.cr;
-}
-
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
- get_paca()->shadow_vcpu.xer = val;
- to_book3s(vcpu)->shadow_vcpu.xer = val;
-}
-
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
+/*
+ * Cuts out inst bits with ordering according to spec.
+ * That means the leftmost bit is zero. All given bits are included.
+ */
+static inline u32 kvmppc_get_field(u64 inst, int msb, int lsb)
{
- return get_paca()->shadow_vcpu.xer;
-}
+ u32 r;
+ u32 mask;
-#else
+ BUG_ON(msb > lsb);
-static inline void kvmppc_set_gpr(struct kvm_vcpu *vcpu, int num, ulong val)
-{
- vcpu->arch.gpr[num] = val;
-}
+ mask = (1 << (lsb - msb + 1)) - 1;
+ r = (inst >> (63 - lsb)) & mask;
-static inline ulong kvmppc_get_gpr(struct kvm_vcpu *vcpu, int num)
-{
- return vcpu->arch.gpr[num];
+ return r;
}
-static inline void kvmppc_set_cr(struct kvm_vcpu *vcpu, u32 val)
+/*
+ * Replaces inst bits with ordering according to spec.
+ */
+static inline u32 kvmppc_set_field(u64 inst, int msb, int lsb, int value)
{
- vcpu->arch.cr = val;
-}
+ u32 r;
+ u32 mask;
-static inline u32 kvmppc_get_cr(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.cr;
-}
+ BUG_ON(msb > lsb);
-static inline void kvmppc_set_xer(struct kvm_vcpu *vcpu, u32 val)
-{
- vcpu->arch.xer = val;
-}
+ mask = ((1 << (lsb - msb + 1)) - 1) << (63 - lsb);
+ r = (inst & ~mask) | ((value << (63 - lsb)) & mask);
-static inline u32 kvmppc_get_xer(struct kvm_vcpu *vcpu)
-{
- return vcpu->arch.xer;
+ return r;
}
-#endif
-
#endif /* __POWERPC_KVM_PPC_H__ */
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