2 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
4 * Author: Yu Liu, <yu.liu@freescale.com>
7 * This file is derived from arch/powerpc/kvm/44x_emulate.c,
8 * by Hollis Blanchard <hollisb@us.ibm.com>.
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License, version 2, as
12 * published by the Free Software Foundation.
15 #include <asm/kvm_ppc.h>
16 #include <asm/disassemble.h>
21 #define XOP_TLBIVAX 786
26 int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
27 unsigned int inst, int *advance)
29 int emulated = EMULATE_DONE;
33 switch (get_op(inst)) {
35 switch (get_xop(inst)) {
38 emulated = kvmppc_e500_emul_tlbre(vcpu);
42 emulated = kvmppc_e500_emul_tlbwe(vcpu);
47 emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
53 emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
57 emulated = EMULATE_FAIL;
63 emulated = EMULATE_FAIL;
66 if (emulated == EMULATE_FAIL)
67 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
72 int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
74 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
75 int emulated = EMULATE_DONE;
76 ulong spr_val = kvmppc_get_gpr(vcpu, rs);
80 kvmppc_set_pid(vcpu, spr_val);
85 vcpu_e500->pid[1] = spr_val; break;
89 vcpu_e500->pid[2] = spr_val; break;
91 vcpu->arch.shared->mas0 = spr_val; break;
93 vcpu->arch.shared->mas1 = spr_val; break;
95 vcpu->arch.shared->mas2 = spr_val; break;
97 vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
98 vcpu->arch.shared->mas7_3 |= spr_val;
101 vcpu->arch.shared->mas4 = spr_val; break;
103 vcpu->arch.shared->mas6 = spr_val; break;
105 vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
106 vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
109 vcpu_e500->l1csr0 = spr_val;
110 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
113 vcpu_e500->l1csr1 = spr_val; break;
115 vcpu_e500->hid0 = spr_val; break;
117 vcpu_e500->hid1 = spr_val; break;
120 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
124 /* extra exceptions */
126 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
129 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
132 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
135 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
139 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
145 int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
147 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
148 int emulated = EMULATE_DONE;
153 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
155 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
157 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
159 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
161 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
163 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
165 val = (u32)vcpu->arch.shared->mas7_3;
166 kvmppc_set_gpr(vcpu, rt, val);
169 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
171 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
173 val = vcpu->arch.shared->mas7_3 >> 32;
174 kvmppc_set_gpr(vcpu, rt, val);
177 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
179 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
181 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
183 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
185 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
187 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
189 kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
192 kvmppc_set_gpr(vcpu, rt, 0); break;
195 kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
197 /* extra exceptions */
199 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
202 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
205 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
208 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
211 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);