kvm tools, setup: Create private directory
[linux-2.6/next.git] / arch / powerpc / kvm / e500_emulate.c
blob69cd665a0cafa3474b0be3de549d3c9d748306d3
1 /*
2 * Copyright (C) 2008-2011 Freescale Semiconductor, Inc. All rights reserved.
4 * Author: Yu Liu, <yu.liu@freescale.com>
6 * Description:
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>
19 #include "booke.h"
20 #include "e500_tlb.h"
22 #define XOP_TLBIVAX 786
23 #define XOP_TLBSX 914
24 #define XOP_TLBRE 946
25 #define XOP_TLBWE 978
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;
31 int ra;
32 int rb;
34 switch (get_op(inst)) {
35 case 31:
36 switch (get_xop(inst)) {
38 case XOP_TLBRE:
39 emulated = kvmppc_e500_emul_tlbre(vcpu);
40 break;
42 case XOP_TLBWE:
43 emulated = kvmppc_e500_emul_tlbwe(vcpu);
44 break;
46 case XOP_TLBSX:
47 rb = get_rb(inst);
48 emulated = kvmppc_e500_emul_tlbsx(vcpu,rb);
49 break;
51 case XOP_TLBIVAX:
52 ra = get_ra(inst);
53 rb = get_rb(inst);
54 emulated = kvmppc_e500_emul_tlbivax(vcpu, ra, rb);
55 break;
57 default:
58 emulated = EMULATE_FAIL;
61 break;
63 default:
64 emulated = EMULATE_FAIL;
67 if (emulated == EMULATE_FAIL)
68 emulated = kvmppc_booke_emulate_op(run, vcpu, inst, advance);
70 return emulated;
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);
79 switch (sprn) {
80 case SPRN_PID:
81 kvmppc_set_pid(vcpu, spr_val);
82 break;
83 case SPRN_PID1:
84 vcpu_e500->pid[1] = spr_val; break;
85 case SPRN_PID2:
86 vcpu_e500->pid[2] = spr_val; break;
87 case SPRN_MAS0:
88 vcpu_e500->mas0 = spr_val; break;
89 case SPRN_MAS1:
90 vcpu_e500->mas1 = spr_val; break;
91 case SPRN_MAS2:
92 vcpu_e500->mas2 = spr_val; break;
93 case SPRN_MAS3:
94 vcpu_e500->mas3 = spr_val; break;
95 case SPRN_MAS4:
96 vcpu_e500->mas4 = spr_val; break;
97 case SPRN_MAS6:
98 vcpu_e500->mas6 = spr_val; break;
99 case SPRN_MAS7:
100 vcpu_e500->mas7 = spr_val; break;
101 case SPRN_L1CSR0:
102 vcpu_e500->l1csr0 = spr_val;
103 vcpu_e500->l1csr0 &= ~(L1CSR0_DCFI | L1CSR0_CLFC);
104 break;
105 case SPRN_L1CSR1:
106 vcpu_e500->l1csr1 = spr_val; break;
107 case SPRN_HID0:
108 vcpu_e500->hid0 = spr_val; break;
109 case SPRN_HID1:
110 vcpu_e500->hid1 = spr_val; break;
112 case SPRN_MMUCSR0:
113 emulated = kvmppc_e500_emul_mt_mmucsr0(vcpu_e500,
114 spr_val);
115 break;
117 /* extra exceptions */
118 case SPRN_IVOR32:
119 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL] = spr_val;
120 break;
121 case SPRN_IVOR33:
122 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA] = spr_val;
123 break;
124 case SPRN_IVOR34:
125 vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND] = spr_val;
126 break;
127 case SPRN_IVOR35:
128 vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR] = spr_val;
129 break;
131 default:
132 emulated = kvmppc_booke_emulate_mtspr(vcpu, sprn, rs);
135 return emulated;
138 int kvmppc_core_emulate_mfspr(struct kvm_vcpu *vcpu, int sprn, int rt)
140 struct kvmppc_vcpu_e500 *vcpu_e500 = to_e500(vcpu);
141 int emulated = EMULATE_DONE;
143 switch (sprn) {
144 case SPRN_PID:
145 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[0]); break;
146 case SPRN_PID1:
147 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[1]); break;
148 case SPRN_PID2:
149 kvmppc_set_gpr(vcpu, rt, vcpu_e500->pid[2]); break;
150 case SPRN_MAS0:
151 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas0); break;
152 case SPRN_MAS1:
153 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas1); break;
154 case SPRN_MAS2:
155 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas2); break;
156 case SPRN_MAS3:
157 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas3); break;
158 case SPRN_MAS4:
159 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas4); break;
160 case SPRN_MAS6:
161 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas6); break;
162 case SPRN_MAS7:
163 kvmppc_set_gpr(vcpu, rt, vcpu_e500->mas7); break;
165 case SPRN_TLB0CFG:
166 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb0cfg); break;
167 case SPRN_TLB1CFG:
168 kvmppc_set_gpr(vcpu, rt, vcpu_e500->tlb1cfg); break;
169 case SPRN_L1CSR0:
170 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr0); break;
171 case SPRN_L1CSR1:
172 kvmppc_set_gpr(vcpu, rt, vcpu_e500->l1csr1); break;
173 case SPRN_HID0:
174 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid0); break;
175 case SPRN_HID1:
176 kvmppc_set_gpr(vcpu, rt, vcpu_e500->hid1); break;
177 case SPRN_SVR:
178 kvmppc_set_gpr(vcpu, rt, vcpu_e500->svr); break;
180 case SPRN_MMUCSR0:
181 kvmppc_set_gpr(vcpu, rt, 0); break;
183 case SPRN_MMUCFG:
184 kvmppc_set_gpr(vcpu, rt, mfspr(SPRN_MMUCFG)); break;
186 /* extra exceptions */
187 case SPRN_IVOR32:
188 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_UNAVAIL]);
189 break;
190 case SPRN_IVOR33:
191 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_DATA]);
192 break;
193 case SPRN_IVOR34:
194 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_SPE_FP_ROUND]);
195 break;
196 case SPRN_IVOR35:
197 kvmppc_set_gpr(vcpu, rt, vcpu->arch.ivor[BOOKE_IRQPRIO_PERFORMANCE_MONITOR]);
198 break;
199 default:
200 emulated = kvmppc_booke_emulate_mfspr(vcpu, sprn, rt);
203 return emulated;