diff options
| -rw-r--r-- | arch/powerpc/kvm/emulate.c | 93 |
1 files changed, 63 insertions, 30 deletions
diff --git a/arch/powerpc/kvm/emulate.c b/arch/powerpc/kvm/emulate.c index d1d38daa93fb..a561d6e8da1c 100644 --- a/arch/powerpc/kvm/emulate.c +++ b/arch/powerpc/kvm/emulate.c @@ -30,6 +30,39 @@ #include <asm/disassemble.h> #include "timing.h" +#define OP_TRAP 3 + +#define OP_31_XOP_LWZX 23 +#define OP_31_XOP_LBZX 87 +#define OP_31_XOP_STWX 151 +#define OP_31_XOP_STBX 215 +#define OP_31_XOP_STBUX 247 +#define OP_31_XOP_LHZX 279 +#define OP_31_XOP_LHZUX 311 +#define OP_31_XOP_MFSPR 339 +#define OP_31_XOP_STHX 407 +#define OP_31_XOP_STHUX 439 +#define OP_31_XOP_MTSPR 467 +#define OP_31_XOP_DCBI 470 +#define OP_31_XOP_LWBRX 534 +#define OP_31_XOP_TLBSYNC 566 +#define OP_31_XOP_STWBRX 662 +#define OP_31_XOP_LHBRX 790 +#define OP_31_XOP_STHBRX 918 + +#define OP_LWZ 32 +#define OP_LWZU 33 +#define OP_LBZ 34 +#define OP_LBZU 35 +#define OP_STW 36 +#define OP_STWU 37 +#define OP_STB 38 +#define OP_STBU 39 +#define OP_LHZ 40 +#define OP_LHZU 41 +#define OP_STH 44 +#define OP_STHU 45 + void kvmppc_emulate_dec(struct kvm_vcpu *vcpu) { if (vcpu->arch.tcr & TCR_DIE) { @@ -78,7 +111,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS); switch (get_op(inst)) { - case 3: /* trap */ + case OP_TRAP: vcpu->arch.esr |= ESR_PTR; kvmppc_core_queue_program(vcpu); advance = 0; @@ -87,31 +120,31 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) case 31: switch (get_xop(inst)) { - case 23: /* lwzx */ + case OP_31_XOP_LWZX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); break; - case 87: /* lbzx */ + case OP_31_XOP_LBZX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); break; - case 151: /* stwx */ + case OP_31_XOP_STWX: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 4, 1); break; - case 215: /* stbx */ + case OP_31_XOP_STBX: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 1, 1); break; - case 247: /* stbux */ + case OP_31_XOP_STBUX: rs = get_rs(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -126,12 +159,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) vcpu->arch.gpr[rs] = ea; break; - case 279: /* lhzx */ + case OP_31_XOP_LHZX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); break; - case 311: /* lhzux */ + case OP_31_XOP_LHZUX: rt = get_rt(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -144,7 +177,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) vcpu->arch.gpr[ra] = ea; break; - case 339: /* mfspr */ + case OP_31_XOP_MFSPR: sprn = get_sprn(inst); rt = get_rt(inst); @@ -185,7 +218,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) } break; - case 407: /* sthx */ + case OP_31_XOP_STHX: rs = get_rs(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -195,7 +228,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) 2, 1); break; - case 439: /* sthux */ + case OP_31_XOP_STHUX: rs = get_rs(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -210,7 +243,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) vcpu->arch.gpr[ra] = ea; break; - case 467: /* mtspr */ + case OP_31_XOP_MTSPR: sprn = get_sprn(inst); rs = get_rs(inst); switch (sprn) { @@ -246,7 +279,7 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) } break; - case 470: /* dcbi */ + case OP_31_XOP_DCBI: /* Do nothing. The guest is performing dcbi because * hardware DMA is not snooped by the dcache, but * emulated DMA either goes through the dcache as @@ -254,15 +287,15 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) * coherence. */ break; - case 534: /* lwbrx */ + case OP_31_XOP_LWBRX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 4, 0); break; - case 566: /* tlbsync */ + case OP_31_XOP_TLBSYNC: break; - case 662: /* stwbrx */ + case OP_31_XOP_STWBRX: rs = get_rs(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -272,12 +305,12 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) 4, 0); break; - case 790: /* lhbrx */ + case OP_31_XOP_LHBRX: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 2, 0); break; - case 918: /* sthbrx */ + case OP_31_XOP_STHBRX: rs = get_rs(inst); ra = get_ra(inst); rb = get_rb(inst); @@ -293,37 +326,37 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) } break; - case 32: /* lwz */ + case OP_LWZ: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); break; - case 33: /* lwzu */ + case OP_LWZU: ra = get_ra(inst); rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 4, 1); vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; break; - case 34: /* lbz */ + case OP_LBZ: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); break; - case 35: /* lbzu */ + case OP_LBZU: ra = get_ra(inst); rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 1, 1); vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; break; - case 36: /* stw */ + case OP_STW: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 4, 1); break; - case 37: /* stwu */ + case OP_STWU: ra = get_ra(inst); rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], @@ -331,13 +364,13 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; break; - case 38: /* stb */ + case OP_STB: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 1, 1); break; - case 39: /* stbu */ + case OP_STBU: ra = get_ra(inst); rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], @@ -345,25 +378,25 @@ int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu) vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; break; - case 40: /* lhz */ + case OP_LHZ: rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); break; - case 41: /* lhzu */ + case OP_LHZU: ra = get_ra(inst); rt = get_rt(inst); emulated = kvmppc_handle_load(run, vcpu, rt, 2, 1); vcpu->arch.gpr[ra] = vcpu->arch.paddr_accessed; break; - case 44: /* sth */ + case OP_STH: rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], 2, 1); break; - case 45: /* sthu */ + case OP_STHU: ra = get_ra(inst); rs = get_rs(inst); emulated = kvmppc_handle_store(run, vcpu, vcpu->arch.gpr[rs], |