37 void kvmppc_emulate_dec(struct kvm_vcpu *vcpu)  in kvmppc_emulate_dec()  argument
42 	pr_debug("mtDEC: %x\n", vcpu->arch.dec);  in kvmppc_emulate_dec()
43 	hrtimer_try_to_cancel(&vcpu->arch.dec_timer);  in kvmppc_emulate_dec()
47 	kvmppc_core_dequeue_dec(vcpu);  in kvmppc_emulate_dec()
50 	if (vcpu->arch.dec & 0x80000000) {  in kvmppc_emulate_dec()
51 		kvmppc_core_queue_dec(vcpu);  in kvmppc_emulate_dec()
58 	if (vcpu->arch.dec == 0)  in kvmppc_emulate_dec()
68 	dec_time = vcpu->arch.dec;  in kvmppc_emulate_dec()
76 	hrtimer_start(&vcpu->arch.dec_timer,  in kvmppc_emulate_dec()
78 	vcpu->arch.dec_jiffies = get_tb();  in kvmppc_emulate_dec()
81 u32 kvmppc_get_dec(struct kvm_vcpu *vcpu, u64 tb)  in kvmppc_get_dec()  argument
83 	u64 jd = tb - vcpu->arch.dec_jiffies;  in kvmppc_get_dec()
86 	if (vcpu->arch.dec < jd)  in kvmppc_get_dec()
90 	return vcpu->arch.dec - jd;  in kvmppc_get_dec()
93 static int kvmppc_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)  in kvmppc_emulate_mtspr()  argument
96 	ulong spr_val = kvmppc_get_gpr(vcpu, rs);  in kvmppc_emulate_mtspr()
100 		kvmppc_set_srr0(vcpu, spr_val);  in kvmppc_emulate_mtspr()
103 		kvmppc_set_srr1(vcpu, spr_val);  in kvmppc_emulate_mtspr()
112 		vcpu->arch.dec = spr_val;  in kvmppc_emulate_mtspr()
113 		kvmppc_emulate_dec(vcpu);  in kvmppc_emulate_mtspr()
117 		kvmppc_set_sprg0(vcpu, spr_val);  in kvmppc_emulate_mtspr()
120 		kvmppc_set_sprg1(vcpu, spr_val);  in kvmppc_emulate_mtspr()
123 		kvmppc_set_sprg2(vcpu, spr_val);  in kvmppc_emulate_mtspr()
126 		kvmppc_set_sprg3(vcpu, spr_val);  in kvmppc_emulate_mtspr()
133 		emulated = vcpu->kvm->arch.kvm_ops->emulate_mtspr(vcpu, sprn,  in kvmppc_emulate_mtspr()
141 	kvmppc_set_exit_type(vcpu, EMULATED_MTSPR_EXITS);  in kvmppc_emulate_mtspr()
146 static int kvmppc_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)  in kvmppc_emulate_mfspr()  argument
153 		spr_val = kvmppc_get_srr0(vcpu);  in kvmppc_emulate_mfspr()
156 		spr_val = kvmppc_get_srr1(vcpu);  in kvmppc_emulate_mfspr()
159 		spr_val = vcpu->arch.pvr;  in kvmppc_emulate_mfspr()
162 		spr_val = vcpu->vcpu_id;  in kvmppc_emulate_mfspr()
176 		spr_val = kvmppc_get_sprg0(vcpu);  in kvmppc_emulate_mfspr()
179 		spr_val = kvmppc_get_sprg1(vcpu);  in kvmppc_emulate_mfspr()
182 		spr_val = kvmppc_get_sprg2(vcpu);  in kvmppc_emulate_mfspr()
185 		spr_val = kvmppc_get_sprg3(vcpu);  in kvmppc_emulate_mfspr()
191 		spr_val = kvmppc_get_dec(vcpu, get_tb());  in kvmppc_emulate_mfspr()
194 		emulated = vcpu->kvm->arch.kvm_ops->emulate_mfspr(vcpu, sprn,  in kvmppc_emulate_mfspr()
204 		kvmppc_set_gpr(vcpu, rt, spr_val);  in kvmppc_emulate_mfspr()
205 	kvmppc_set_exit_type(vcpu, EMULATED_MFSPR_EXITS);  in kvmppc_emulate_mfspr()
212 int kvmppc_emulate_instruction(struct kvm_run *run, struct kvm_vcpu *vcpu)  in kvmppc_emulate_instruction()  argument
220 	kvmppc_set_exit_type(vcpu, EMULATED_INST_EXITS);  in kvmppc_emulate_instruction()
222 	emulated = kvmppc_get_last_inst(vcpu, INST_GENERIC, &inst);  in kvmppc_emulate_instruction()
236 		kvmppc_core_queue_program(vcpu, SRR1_PROGTRAP);  in kvmppc_emulate_instruction()
238 		kvmppc_core_queue_program(vcpu,  in kvmppc_emulate_instruction()
239 					  vcpu->arch.shared->esr | ESR_PTR);  in kvmppc_emulate_instruction()
252 			kvmppc_core_queue_program(vcpu, SRR1_PROGTRAP);  in kvmppc_emulate_instruction()
254 			kvmppc_core_queue_program(vcpu,  in kvmppc_emulate_instruction()
255 					vcpu->arch.shared->esr | ESR_PTR);  in kvmppc_emulate_instruction()
261 			emulated = kvmppc_emulate_mfspr(vcpu, sprn, rt);  in kvmppc_emulate_instruction()
265 			emulated = kvmppc_emulate_mtspr(vcpu, sprn, rs);  in kvmppc_emulate_instruction()
284 			run->debug.arch.address = kvmppc_get_pc(vcpu);  in kvmppc_emulate_instruction()
297 		emulated = vcpu->kvm->arch.kvm_ops->emulate_op(run, vcpu, inst,  in kvmppc_emulate_instruction()
305 			kvmppc_core_queue_program(vcpu, 0);  in kvmppc_emulate_instruction()
309 	trace_kvm_ppc_instr(inst, kvmppc_get_pc(vcpu), emulated);  in kvmppc_emulate_instruction()
313 		kvmppc_set_pc(vcpu, kvmppc_get_pc(vcpu) + 4);  in kvmppc_emulate_instruction()