1 #include "hw/hw.h"
2 #include "hw/boards.h"
3
4 #include "exec-all.h"
5
save_tc(QEMUFile * f,TCState * tc)6 static void save_tc(QEMUFile *f, TCState *tc)
7 {
8 int i;
9
10 /* Save active TC */
11 for(i = 0; i < 32; i++)
12 qemu_put_betls(f, &tc->gpr[i]);
13 qemu_put_betls(f, &tc->PC);
14 for(i = 0; i < MIPS_DSP_ACC; i++)
15 qemu_put_betls(f, &tc->HI[i]);
16 for(i = 0; i < MIPS_DSP_ACC; i++)
17 qemu_put_betls(f, &tc->LO[i]);
18 for(i = 0; i < MIPS_DSP_ACC; i++)
19 qemu_put_betls(f, &tc->ACX[i]);
20 qemu_put_betls(f, &tc->DSPControl);
21 qemu_put_sbe32s(f, &tc->CP0_TCStatus);
22 qemu_put_sbe32s(f, &tc->CP0_TCBind);
23 qemu_put_betls(f, &tc->CP0_TCHalt);
24 qemu_put_betls(f, &tc->CP0_TCContext);
25 qemu_put_betls(f, &tc->CP0_TCSchedule);
26 qemu_put_betls(f, &tc->CP0_TCScheFBack);
27 qemu_put_sbe32s(f, &tc->CP0_Debug_tcstatus);
28 }
29
save_fpu(QEMUFile * f,CPUMIPSFPUContext * fpu)30 static void save_fpu(QEMUFile *f, CPUMIPSFPUContext *fpu)
31 {
32 int i;
33
34 for(i = 0; i < 32; i++)
35 qemu_put_be64s(f, &fpu->fpr[i].d);
36 qemu_put_s8s(f, &fpu->fp_status.float_detect_tininess);
37 qemu_put_s8s(f, &fpu->fp_status.float_rounding_mode);
38 qemu_put_s8s(f, &fpu->fp_status.float_exception_flags);
39 qemu_put_be32s(f, &fpu->fcr0);
40 qemu_put_be32s(f, &fpu->fcr31);
41 }
42
cpu_save(QEMUFile * f,void * opaque)43 void cpu_save(QEMUFile *f, void *opaque)
44 {
45 CPUState *env = opaque;
46 int i;
47
48 /* Save active TC */
49 save_tc(f, &env->active_tc);
50
51 /* Save active FPU */
52 save_fpu(f, &env->active_fpu);
53
54 /* Save MVP */
55 qemu_put_sbe32s(f, &env->mvp->CP0_MVPControl);
56 qemu_put_sbe32s(f, &env->mvp->CP0_MVPConf0);
57 qemu_put_sbe32s(f, &env->mvp->CP0_MVPConf1);
58
59 /* Save TLB */
60 qemu_put_be32s(f, &env->tlb->nb_tlb);
61 for(i = 0; i < MIPS_TLB_MAX; i++) {
62 uint16_t flags = ((env->tlb->mmu.r4k.tlb[i].G << 10) |
63 (env->tlb->mmu.r4k.tlb[i].C0 << 7) |
64 (env->tlb->mmu.r4k.tlb[i].C1 << 4) |
65 (env->tlb->mmu.r4k.tlb[i].V0 << 3) |
66 (env->tlb->mmu.r4k.tlb[i].V1 << 2) |
67 (env->tlb->mmu.r4k.tlb[i].D0 << 1) |
68 (env->tlb->mmu.r4k.tlb[i].D1 << 0));
69 uint8_t asid;
70
71 qemu_put_betls(f, &env->tlb->mmu.r4k.tlb[i].VPN);
72 qemu_put_be32s(f, &env->tlb->mmu.r4k.tlb[i].PageMask);
73 asid = env->tlb->mmu.r4k.tlb[i].ASID;
74 qemu_put_8s(f, &asid);
75 qemu_put_be16s(f, &flags);
76 qemu_put_betls(f, &env->tlb->mmu.r4k.tlb[i].PFN[0]);
77 qemu_put_betls(f, &env->tlb->mmu.r4k.tlb[i].PFN[1]);
78 }
79
80 /* Save CPU metastate */
81 qemu_put_be32s(f, &env->current_tc);
82 qemu_put_be32s(f, &env->current_fpu);
83 qemu_put_sbe32s(f, &env->error_code);
84 qemu_put_be32s(f, &env->hflags);
85 qemu_put_betls(f, &env->btarget);
86 i = env->bcond;
87 qemu_put_sbe32s(f, &i);
88
89 /* Save remaining CP1 registers */
90 qemu_put_sbe32s(f, &env->CP0_Index);
91 qemu_put_sbe32s(f, &env->CP0_Random);
92 qemu_put_sbe32s(f, &env->CP0_VPEControl);
93 qemu_put_sbe32s(f, &env->CP0_VPEConf0);
94 qemu_put_sbe32s(f, &env->CP0_VPEConf1);
95 qemu_put_betls(f, &env->CP0_YQMask);
96 qemu_put_betls(f, &env->CP0_VPESchedule);
97 qemu_put_betls(f, &env->CP0_VPEScheFBack);
98 qemu_put_sbe32s(f, &env->CP0_VPEOpt);
99 qemu_put_betls(f, &env->CP0_EntryLo0);
100 qemu_put_betls(f, &env->CP0_EntryLo1);
101 qemu_put_betls(f, &env->CP0_Context);
102 qemu_put_sbe32s(f, &env->CP0_PageMask);
103 qemu_put_sbe32s(f, &env->CP0_PageGrain);
104 qemu_put_sbe32s(f, &env->CP0_Wired);
105 qemu_put_sbe32s(f, &env->CP0_SRSConf0);
106 qemu_put_sbe32s(f, &env->CP0_SRSConf1);
107 qemu_put_sbe32s(f, &env->CP0_SRSConf2);
108 qemu_put_sbe32s(f, &env->CP0_SRSConf3);
109 qemu_put_sbe32s(f, &env->CP0_SRSConf4);
110 qemu_put_sbe32s(f, &env->CP0_HWREna);
111 qemu_put_betls(f, &env->CP0_BadVAddr);
112 qemu_put_sbe32s(f, &env->CP0_Count);
113 qemu_put_betls(f, &env->CP0_EntryHi);
114 qemu_put_sbe32s(f, &env->CP0_Compare);
115 qemu_put_sbe32s(f, &env->CP0_Status);
116 qemu_put_sbe32s(f, &env->CP0_IntCtl);
117 qemu_put_sbe32s(f, &env->CP0_SRSCtl);
118 qemu_put_sbe32s(f, &env->CP0_SRSMap);
119 qemu_put_sbe32s(f, &env->CP0_Cause);
120 qemu_put_betls(f, &env->CP0_EPC);
121 qemu_put_sbe32s(f, &env->CP0_PRid);
122 qemu_put_sbe32s(f, &env->CP0_EBase);
123 qemu_put_sbe32s(f, &env->CP0_Config0);
124 qemu_put_sbe32s(f, &env->CP0_Config1);
125 qemu_put_sbe32s(f, &env->CP0_Config2);
126 qemu_put_sbe32s(f, &env->CP0_Config3);
127 qemu_put_sbe32s(f, &env->CP0_Config6);
128 qemu_put_sbe32s(f, &env->CP0_Config7);
129 qemu_put_betls(f, &env->lladdr);
130 for(i = 0; i < 8; i++)
131 qemu_put_betls(f, &env->CP0_WatchLo[i]);
132 for(i = 0; i < 8; i++)
133 qemu_put_sbe32s(f, &env->CP0_WatchHi[i]);
134 qemu_put_betls(f, &env->CP0_XContext);
135 qemu_put_sbe32s(f, &env->CP0_Framemask);
136 qemu_put_sbe32s(f, &env->CP0_Debug);
137 qemu_put_betls(f, &env->CP0_DEPC);
138 qemu_put_sbe32s(f, &env->CP0_Performance0);
139 qemu_put_sbe32s(f, &env->CP0_TagLo);
140 qemu_put_sbe32s(f, &env->CP0_DataLo);
141 qemu_put_sbe32s(f, &env->CP0_TagHi);
142 qemu_put_sbe32s(f, &env->CP0_DataHi);
143 qemu_put_betls(f, &env->CP0_ErrorEPC);
144 qemu_put_sbe32s(f, &env->CP0_DESAVE);
145
146 /* Save inactive TC state */
147 for (i = 0; i < MIPS_SHADOW_SET_MAX; i++)
148 save_tc(f, &env->tcs[i]);
149 for (i = 0; i < MIPS_FPU_MAX; i++)
150 save_fpu(f, &env->fpus[i]);
151 }
152
load_tc(QEMUFile * f,TCState * tc)153 static void load_tc(QEMUFile *f, TCState *tc)
154 {
155 int i;
156
157 /* Save active TC */
158 for(i = 0; i < 32; i++)
159 qemu_get_betls(f, &tc->gpr[i]);
160 qemu_get_betls(f, &tc->PC);
161 for(i = 0; i < MIPS_DSP_ACC; i++)
162 qemu_get_betls(f, &tc->HI[i]);
163 for(i = 0; i < MIPS_DSP_ACC; i++)
164 qemu_get_betls(f, &tc->LO[i]);
165 for(i = 0; i < MIPS_DSP_ACC; i++)
166 qemu_get_betls(f, &tc->ACX[i]);
167 qemu_get_betls(f, &tc->DSPControl);
168 qemu_get_sbe32s(f, &tc->CP0_TCStatus);
169 qemu_get_sbe32s(f, &tc->CP0_TCBind);
170 qemu_get_betls(f, &tc->CP0_TCHalt);
171 qemu_get_betls(f, &tc->CP0_TCContext);
172 qemu_get_betls(f, &tc->CP0_TCSchedule);
173 qemu_get_betls(f, &tc->CP0_TCScheFBack);
174 qemu_get_sbe32s(f, &tc->CP0_Debug_tcstatus);
175 }
176
load_fpu(QEMUFile * f,CPUMIPSFPUContext * fpu)177 static void load_fpu(QEMUFile *f, CPUMIPSFPUContext *fpu)
178 {
179 int i;
180
181 for(i = 0; i < 32; i++)
182 qemu_get_be64s(f, &fpu->fpr[i].d);
183 qemu_get_s8s(f, &fpu->fp_status.float_detect_tininess);
184 qemu_get_s8s(f, &fpu->fp_status.float_rounding_mode);
185 qemu_get_s8s(f, &fpu->fp_status.float_exception_flags);
186 qemu_get_be32s(f, &fpu->fcr0);
187 qemu_get_be32s(f, &fpu->fcr31);
188 }
189
cpu_load(QEMUFile * f,void * opaque,int version_id)190 int cpu_load(QEMUFile *f, void *opaque, int version_id)
191 {
192 CPUState *env = opaque;
193 int i;
194
195 if (version_id != 3)
196 return -EINVAL;
197
198 /* Load active TC */
199 load_tc(f, &env->active_tc);
200
201 /* Load active FPU */
202 load_fpu(f, &env->active_fpu);
203
204 /* Load MVP */
205 qemu_get_sbe32s(f, &env->mvp->CP0_MVPControl);
206 qemu_get_sbe32s(f, &env->mvp->CP0_MVPConf0);
207 qemu_get_sbe32s(f, &env->mvp->CP0_MVPConf1);
208
209 /* Load TLB */
210 qemu_get_be32s(f, &env->tlb->nb_tlb);
211 for(i = 0; i < MIPS_TLB_MAX; i++) {
212 uint16_t flags;
213 uint8_t asid;
214
215 qemu_get_betls(f, &env->tlb->mmu.r4k.tlb[i].VPN);
216 qemu_get_be32s(f, &env->tlb->mmu.r4k.tlb[i].PageMask);
217 qemu_get_8s(f, &asid);
218 env->tlb->mmu.r4k.tlb[i].ASID = asid;
219 qemu_get_be16s(f, &flags);
220 env->tlb->mmu.r4k.tlb[i].G = (flags >> 10) & 1;
221 env->tlb->mmu.r4k.tlb[i].C0 = (flags >> 7) & 3;
222 env->tlb->mmu.r4k.tlb[i].C1 = (flags >> 4) & 3;
223 env->tlb->mmu.r4k.tlb[i].V0 = (flags >> 3) & 1;
224 env->tlb->mmu.r4k.tlb[i].V1 = (flags >> 2) & 1;
225 env->tlb->mmu.r4k.tlb[i].D0 = (flags >> 1) & 1;
226 env->tlb->mmu.r4k.tlb[i].D1 = (flags >> 0) & 1;
227 qemu_get_betls(f, &env->tlb->mmu.r4k.tlb[i].PFN[0]);
228 qemu_get_betls(f, &env->tlb->mmu.r4k.tlb[i].PFN[1]);
229 }
230
231 /* Load CPU metastate */
232 qemu_get_be32s(f, &env->current_tc);
233 qemu_get_be32s(f, &env->current_fpu);
234 qemu_get_sbe32s(f, &env->error_code);
235 qemu_get_be32s(f, &env->hflags);
236 qemu_get_betls(f, &env->btarget);
237 qemu_get_sbe32s(f, &i);
238 env->bcond = i;
239
240 /* Load remaining CP1 registers */
241 qemu_get_sbe32s(f, &env->CP0_Index);
242 qemu_get_sbe32s(f, &env->CP0_Random);
243 qemu_get_sbe32s(f, &env->CP0_VPEControl);
244 qemu_get_sbe32s(f, &env->CP0_VPEConf0);
245 qemu_get_sbe32s(f, &env->CP0_VPEConf1);
246 qemu_get_betls(f, &env->CP0_YQMask);
247 qemu_get_betls(f, &env->CP0_VPESchedule);
248 qemu_get_betls(f, &env->CP0_VPEScheFBack);
249 qemu_get_sbe32s(f, &env->CP0_VPEOpt);
250 qemu_get_betls(f, &env->CP0_EntryLo0);
251 qemu_get_betls(f, &env->CP0_EntryLo1);
252 qemu_get_betls(f, &env->CP0_Context);
253 qemu_get_sbe32s(f, &env->CP0_PageMask);
254 qemu_get_sbe32s(f, &env->CP0_PageGrain);
255 qemu_get_sbe32s(f, &env->CP0_Wired);
256 qemu_get_sbe32s(f, &env->CP0_SRSConf0);
257 qemu_get_sbe32s(f, &env->CP0_SRSConf1);
258 qemu_get_sbe32s(f, &env->CP0_SRSConf2);
259 qemu_get_sbe32s(f, &env->CP0_SRSConf3);
260 qemu_get_sbe32s(f, &env->CP0_SRSConf4);
261 qemu_get_sbe32s(f, &env->CP0_HWREna);
262 qemu_get_betls(f, &env->CP0_BadVAddr);
263 qemu_get_sbe32s(f, &env->CP0_Count);
264 qemu_get_betls(f, &env->CP0_EntryHi);
265 qemu_get_sbe32s(f, &env->CP0_Compare);
266 qemu_get_sbe32s(f, &env->CP0_Status);
267 qemu_get_sbe32s(f, &env->CP0_IntCtl);
268 qemu_get_sbe32s(f, &env->CP0_SRSCtl);
269 qemu_get_sbe32s(f, &env->CP0_SRSMap);
270 qemu_get_sbe32s(f, &env->CP0_Cause);
271 qemu_get_betls(f, &env->CP0_EPC);
272 qemu_get_sbe32s(f, &env->CP0_PRid);
273 qemu_get_sbe32s(f, &env->CP0_EBase);
274 qemu_get_sbe32s(f, &env->CP0_Config0);
275 qemu_get_sbe32s(f, &env->CP0_Config1);
276 qemu_get_sbe32s(f, &env->CP0_Config2);
277 qemu_get_sbe32s(f, &env->CP0_Config3);
278 qemu_get_sbe32s(f, &env->CP0_Config6);
279 qemu_get_sbe32s(f, &env->CP0_Config7);
280 qemu_get_betls(f, &env->lladdr);
281 for(i = 0; i < 8; i++)
282 qemu_get_betls(f, &env->CP0_WatchLo[i]);
283 for(i = 0; i < 8; i++)
284 qemu_get_sbe32s(f, &env->CP0_WatchHi[i]);
285 qemu_get_betls(f, &env->CP0_XContext);
286 qemu_get_sbe32s(f, &env->CP0_Framemask);
287 qemu_get_sbe32s(f, &env->CP0_Debug);
288 qemu_get_betls(f, &env->CP0_DEPC);
289 qemu_get_sbe32s(f, &env->CP0_Performance0);
290 qemu_get_sbe32s(f, &env->CP0_TagLo);
291 qemu_get_sbe32s(f, &env->CP0_DataLo);
292 qemu_get_sbe32s(f, &env->CP0_TagHi);
293 qemu_get_sbe32s(f, &env->CP0_DataHi);
294 qemu_get_betls(f, &env->CP0_ErrorEPC);
295 qemu_get_sbe32s(f, &env->CP0_DESAVE);
296
297 /* Load inactive TC state */
298 for (i = 0; i < MIPS_SHADOW_SET_MAX; i++)
299 load_tc(f, &env->tcs[i]);
300 for (i = 0; i < MIPS_FPU_MAX; i++)
301 load_fpu(f, &env->fpus[i]);
302
303 /* XXX: ensure compatiblity for halted bit ? */
304 tlb_flush(env, 1);
305 return 0;
306 }
307