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>
17 #include <asm/kvm_e500.h>
22 #define XOP_TLBIVAX 786
27 int kvmppc_core_emulate_op(struct kvm_run *run, struct kvm_vcpu *vcpu,
28 unsigned int inst, int *advance)
30 int emulated = EMULATE_DONE;
34 switch (get_op(inst)) {
36 switch (get_xop(inst)) {
39 emulated = kvmppc_e500_emul_tlbre(vcpu);
43 emulated = kvmppc_e500_emul_tlbwe(vcpu);
48 emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
54 emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
58 emulated = EMULATE_FAIL;
64 emulated = EMULATE_FAIL;
67 if (emulated == EMULATE_FAIL)
68 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
73 int kvmppc_core_emulate_mtspr(struct kvm_vcpu *vcpu, int sprn, int rs)
75 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
76 int emulated = EMULATE_DONE;
77 ulong spr_val = kvmppc_get_gpr(vcpu, rs);
81 kvmppc_set_pid(vcpu, spr_val);
86 vcpu_e500->pid[1] = spr_val; break;
90 vcpu_e500->pid[2] = spr_val; break;
92 vcpu->arch.shared->mas0 = spr_val; break;
94 vcpu->arch.shared->mas1 = spr_val; break;
96 vcpu->arch.shared->mas2 = spr_val; break;
98 vcpu->arch.shared->mas7_3 &= ~(u64)0xffffffff;
99 vcpu->arch.shared->mas7_3 |= spr_val;
102 vcpu->arch.shared->mas4 = spr_val; break;
104 vcpu->arch.shared->mas6 = spr_val; break;
106 vcpu->arch.shared->mas7_3 &= (u64)0xffffffff;
107 vcpu->arch.shared->mas7_3 |= (u64)spr_val << 32;
110 vcpu_e500->l1csr0 = spr_val;
111 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
114 vcpu_e500->l1csr1 = spr_val; break;
116 vcpu_e500->hid0 = spr_val; break;
118 vcpu_e500->hid1 = spr_val; break;
121 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
125 /* extra exceptions */
127 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
130 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
133 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
136 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
140 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
146 int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
148 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
149 int emulated = EMULATE_DONE;
154 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
156 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
158 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
160 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas0); break;
162 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas1); break;
164 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas2); break;
166 val = (u32)vcpu->arch.shared->mas7_3;
167 kvmppc_set_gpr(vcpu, rt, val);
170 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas4); break;
172 kvmppc_set_gpr(vcpu, rt, vcpu->arch.shared->mas6); break;
174 val = vcpu->arch.shared->mas7_3 >> 32;
175 kvmppc_set_gpr(vcpu, rt, val);
178 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
180 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
182 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
184 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
186 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
188 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
190 kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
193 kvmppc_set_gpr(vcpu, rt, 0); break;
196 kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
198 /* extra exceptions */
200 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
203 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
206 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
209 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
212 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);