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[qemu.git] / target-mips / machine.c
1 #include "hw/hw.h"
2
3 #include "cpu.h"
4
5 static int cpu_post_load(void *opaque, int version_id)
6 {
7     MIPSCPU *cpu = opaque;
8     CPUMIPSState *env = &cpu->env;
9
10     restore_fp_status(env);
11     restore_msa_fp_status(env);
12     compute_hflags(env);
13
14     return 0;
15 }
16
17 /* FPU state */
18
19 static int get_fpr(QEMUFile *f, void *pv, size_t size)
20 {
21     int i;
22     fpr_t *v = pv;
23     /* Restore entire MSA vector register */
24     for (i = 0; i < MSA_WRLEN/64; i++) {
25         qemu_get_sbe64s(f, &v->wr.d[i]);
26     }
27     return 0;
28 }
29
30 static void put_fpr(QEMUFile *f, void *pv, size_t size)
31 {
32     int i;
33     fpr_t *v = pv;
34     /* Save entire MSA vector register */
35     for (i = 0; i < MSA_WRLEN/64; i++) {
36         qemu_put_sbe64s(f, &v->wr.d[i]);
37     }
38 }
39
40 const VMStateInfo vmstate_info_fpr = {
41     .name = "fpr",
42     .get  = get_fpr,
43     .put  = put_fpr,
44 };
45
46 #define VMSTATE_FPR_ARRAY_V(_f, _s, _n, _v)                     \
47     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_fpr, fpr_t)
48
49 #define VMSTATE_FPR_ARRAY(_f, _s, _n)                           \
50     VMSTATE_FPR_ARRAY_V(_f, _s, _n, 0)
51
52 static VMStateField vmstate_fpu_fields[] = {
53     VMSTATE_FPR_ARRAY(fpr, CPUMIPSFPUContext, 32),
54     VMSTATE_UINT32(fcr0, CPUMIPSFPUContext),
55     VMSTATE_UINT32(fcr31, CPUMIPSFPUContext),
56     VMSTATE_END_OF_LIST()
57 };
58
59 const VMStateDescription vmstate_fpu = {
60     .name = "cpu/fpu",
61     .version_id = 1,
62     .minimum_version_id = 1,
63     .fields = vmstate_fpu_fields
64 };
65
66 const VMStateDescription vmstate_inactive_fpu = {
67     .name = "cpu/inactive_fpu",
68     .version_id = 1,
69     .minimum_version_id = 1,
70     .fields = vmstate_fpu_fields
71 };
72
73 /* TC state */
74
75 static VMStateField vmstate_tc_fields[] = {
76     VMSTATE_UINTTL_ARRAY(gpr, TCState, 32),
77     VMSTATE_UINTTL(PC, TCState),
78     VMSTATE_UINTTL_ARRAY(HI, TCState, MIPS_DSP_ACC),
79     VMSTATE_UINTTL_ARRAY(LO, TCState, MIPS_DSP_ACC),
80     VMSTATE_UINTTL_ARRAY(ACX, TCState, MIPS_DSP_ACC),
81     VMSTATE_UINTTL(DSPControl, TCState),
82     VMSTATE_INT32(CP0_TCStatus, TCState),
83     VMSTATE_INT32(CP0_TCBind, TCState),
84     VMSTATE_UINTTL(CP0_TCHalt, TCState),
85     VMSTATE_UINTTL(CP0_TCContext, TCState),
86     VMSTATE_UINTTL(CP0_TCSchedule, TCState),
87     VMSTATE_UINTTL(CP0_TCScheFBack, TCState),
88     VMSTATE_INT32(CP0_Debug_tcstatus, TCState),
89     VMSTATE_UINTTL(CP0_UserLocal, TCState),
90     VMSTATE_INT32(msacsr, TCState),
91     VMSTATE_END_OF_LIST()
92 };
93
94 const VMStateDescription vmstate_tc = {
95     .name = "cpu/tc",
96     .version_id = 1,
97     .minimum_version_id = 1,
98     .fields = vmstate_tc_fields
99 };
100
101 const VMStateDescription vmstate_inactive_tc = {
102     .name = "cpu/inactive_tc",
103     .version_id = 1,
104     .minimum_version_id = 1,
105     .fields = vmstate_tc_fields
106 };
107
108 /* MVP state */
109
110 const VMStateDescription vmstate_mvp = {
111     .name = "cpu/mvp",
112     .version_id = 1,
113     .minimum_version_id = 1,
114     .fields = (VMStateField[]) {
115         VMSTATE_INT32(CP0_MVPControl, CPUMIPSMVPContext),
116         VMSTATE_INT32(CP0_MVPConf0, CPUMIPSMVPContext),
117         VMSTATE_INT32(CP0_MVPConf1, CPUMIPSMVPContext),
118         VMSTATE_END_OF_LIST()
119     }
120 };
121
122 /* TLB state */
123
124 static int get_tlb(QEMUFile *f, void *pv, size_t size)
125 {
126     r4k_tlb_t *v = pv;
127     uint16_t flags;
128
129     qemu_get_betls(f, &v->VPN);
130     qemu_get_be32s(f, &v->PageMask);
131     qemu_get_8s(f, &v->ASID);
132     qemu_get_be16s(f, &flags);
133     v->G = (flags >> 10) & 1;
134     v->C0 = (flags >> 7) & 3;
135     v->C1 = (flags >> 4) & 3;
136     v->V0 = (flags >> 3) & 1;
137     v->V1 = (flags >> 2) & 1;
138     v->D0 = (flags >> 1) & 1;
139     v->D1 = (flags >> 0) & 1;
140     v->EHINV = (flags >> 15) & 1;
141     v->RI1 = (flags >> 14) & 1;
142     v->RI0 = (flags >> 13) & 1;
143     v->XI1 = (flags >> 12) & 1;
144     v->XI0 = (flags >> 11) & 1;
145     qemu_get_betls(f, &v->PFN[0]);
146     qemu_get_betls(f, &v->PFN[1]);
147
148     return 0;
149 }
150
151 static void put_tlb(QEMUFile *f, void *pv, size_t size)
152 {
153     r4k_tlb_t *v = pv;
154
155     uint16_t flags = ((v->EHINV << 15) |
156                       (v->RI1 << 14) |
157                       (v->RI0 << 13) |
158                       (v->XI1 << 12) |
159                       (v->XI0 << 11) |
160                       (v->G << 10) |
161                       (v->C0 << 7) |
162                       (v->C1 << 4) |
163                       (v->V0 << 3) |
164                       (v->V1 << 2) |
165                       (v->D0 << 1) |
166                       (v->D1 << 0));
167
168     qemu_put_betls(f, &v->VPN);
169     qemu_put_be32s(f, &v->PageMask);
170     qemu_put_8s(f, &v->ASID);
171     qemu_put_be16s(f, &flags);
172     qemu_put_betls(f, &v->PFN[0]);
173     qemu_put_betls(f, &v->PFN[1]);
174 }
175
176 const VMStateInfo vmstate_info_tlb = {
177     .name = "tlb_entry",
178     .get  = get_tlb,
179     .put  = put_tlb,
180 };
181
182 #define VMSTATE_TLB_ARRAY_V(_f, _s, _n, _v)                     \
183     VMSTATE_ARRAY(_f, _s, _n, _v, vmstate_info_tlb, r4k_tlb_t)
184
185 #define VMSTATE_TLB_ARRAY(_f, _s, _n)                           \
186     VMSTATE_TLB_ARRAY_V(_f, _s, _n, 0)
187
188 const VMStateDescription vmstate_tlb = {
189     .name = "cpu/tlb",
190     .version_id = 1,
191     .minimum_version_id = 1,
192     .fields = (VMStateField[]) {
193         VMSTATE_UINT32(nb_tlb, CPUMIPSTLBContext),
194         VMSTATE_UINT32(tlb_in_use, CPUMIPSTLBContext),
195         VMSTATE_TLB_ARRAY(mmu.r4k.tlb, CPUMIPSTLBContext, MIPS_TLB_MAX),
196         VMSTATE_END_OF_LIST()
197     }
198 };
199
200 /* MIPS CPU state */
201
202 const VMStateDescription vmstate_mips_cpu = {
203     .name = "cpu",
204     .version_id = 6,
205     .minimum_version_id = 6,
206     .post_load = cpu_post_load,
207     .fields = (VMStateField[]) {
208         /* Active TC */
209         VMSTATE_STRUCT(env.active_tc, MIPSCPU, 1, vmstate_tc, TCState),
210
211         /* Active FPU */
212         VMSTATE_STRUCT(env.active_fpu, MIPSCPU, 1, vmstate_fpu,
213                        CPUMIPSFPUContext),
214
215         /* MVP */
216         VMSTATE_STRUCT_POINTER(env.mvp, MIPSCPU, vmstate_mvp,
217                                CPUMIPSMVPContext),
218
219         /* TLB */
220         VMSTATE_STRUCT_POINTER(env.tlb, MIPSCPU, vmstate_tlb,
221                                CPUMIPSTLBContext),
222
223         /* CPU metastate */
224         VMSTATE_UINT32(env.current_tc, MIPSCPU),
225         VMSTATE_UINT32(env.current_fpu, MIPSCPU),
226         VMSTATE_INT32(env.error_code, MIPSCPU),
227         VMSTATE_UINTTL(env.btarget, MIPSCPU),
228         VMSTATE_UINTTL(env.bcond, MIPSCPU),
229
230         /* Remaining CP0 registers */
231         VMSTATE_INT32(env.CP0_Index, MIPSCPU),
232         VMSTATE_INT32(env.CP0_Random, MIPSCPU),
233         VMSTATE_INT32(env.CP0_VPEControl, MIPSCPU),
234         VMSTATE_INT32(env.CP0_VPEConf0, MIPSCPU),
235         VMSTATE_INT32(env.CP0_VPEConf1, MIPSCPU),
236         VMSTATE_UINTTL(env.CP0_YQMask, MIPSCPU),
237         VMSTATE_UINTTL(env.CP0_VPESchedule, MIPSCPU),
238         VMSTATE_UINTTL(env.CP0_VPEScheFBack, MIPSCPU),
239         VMSTATE_INT32(env.CP0_VPEOpt, MIPSCPU),
240         VMSTATE_UINTTL(env.CP0_EntryLo0, MIPSCPU),
241         VMSTATE_UINTTL(env.CP0_EntryLo1, MIPSCPU),
242         VMSTATE_UINTTL(env.CP0_Context, MIPSCPU),
243         VMSTATE_INT32(env.CP0_PageMask, MIPSCPU),
244         VMSTATE_INT32(env.CP0_PageGrain, MIPSCPU),
245         VMSTATE_INT32(env.CP0_Wired, MIPSCPU),
246         VMSTATE_INT32(env.CP0_SRSConf0, MIPSCPU),
247         VMSTATE_INT32(env.CP0_SRSConf1, MIPSCPU),
248         VMSTATE_INT32(env.CP0_SRSConf2, MIPSCPU),
249         VMSTATE_INT32(env.CP0_SRSConf3, MIPSCPU),
250         VMSTATE_INT32(env.CP0_SRSConf4, MIPSCPU),
251         VMSTATE_INT32(env.CP0_HWREna, MIPSCPU),
252         VMSTATE_UINTTL(env.CP0_BadVAddr, MIPSCPU),
253         VMSTATE_UINT32(env.CP0_BadInstr, MIPSCPU),
254         VMSTATE_UINT32(env.CP0_BadInstrP, MIPSCPU),
255         VMSTATE_INT32(env.CP0_Count, MIPSCPU),
256         VMSTATE_UINTTL(env.CP0_EntryHi, MIPSCPU),
257         VMSTATE_INT32(env.CP0_Compare, MIPSCPU),
258         VMSTATE_INT32(env.CP0_Status, MIPSCPU),
259         VMSTATE_INT32(env.CP0_IntCtl, MIPSCPU),
260         VMSTATE_INT32(env.CP0_SRSCtl, MIPSCPU),
261         VMSTATE_INT32(env.CP0_SRSMap, MIPSCPU),
262         VMSTATE_INT32(env.CP0_Cause, MIPSCPU),
263         VMSTATE_UINTTL(env.CP0_EPC, MIPSCPU),
264         VMSTATE_INT32(env.CP0_PRid, MIPSCPU),
265         VMSTATE_INT32(env.CP0_EBase, MIPSCPU),
266         VMSTATE_INT32(env.CP0_Config0, MIPSCPU),
267         VMSTATE_INT32(env.CP0_Config1, MIPSCPU),
268         VMSTATE_INT32(env.CP0_Config2, MIPSCPU),
269         VMSTATE_INT32(env.CP0_Config3, MIPSCPU),
270         VMSTATE_INT32(env.CP0_Config6, MIPSCPU),
271         VMSTATE_INT32(env.CP0_Config7, MIPSCPU),
272         VMSTATE_UINTTL(env.lladdr, MIPSCPU),
273         VMSTATE_UINTTL_ARRAY(env.CP0_WatchLo, MIPSCPU, 8),
274         VMSTATE_INT32_ARRAY(env.CP0_WatchHi, MIPSCPU, 8),
275         VMSTATE_UINTTL(env.CP0_XContext, MIPSCPU),
276         VMSTATE_INT32(env.CP0_Framemask, MIPSCPU),
277         VMSTATE_INT32(env.CP0_Debug, MIPSCPU),
278         VMSTATE_UINTTL(env.CP0_DEPC, MIPSCPU),
279         VMSTATE_INT32(env.CP0_Performance0, MIPSCPU),
280         VMSTATE_INT32(env.CP0_TagLo, MIPSCPU),
281         VMSTATE_INT32(env.CP0_DataLo, MIPSCPU),
282         VMSTATE_INT32(env.CP0_TagHi, MIPSCPU),
283         VMSTATE_INT32(env.CP0_DataHi, MIPSCPU),
284         VMSTATE_UINTTL(env.CP0_ErrorEPC, MIPSCPU),
285         VMSTATE_INT32(env.CP0_DESAVE, MIPSCPU),
286         VMSTATE_UINTTL_ARRAY(env.CP0_KScratch, MIPSCPU, MIPS_KSCRATCH_NUM),
287
288         /* Inactive TC */
289         VMSTATE_STRUCT_ARRAY(env.tcs, MIPSCPU, MIPS_SHADOW_SET_MAX, 1,
290                              vmstate_inactive_tc, TCState),
291         VMSTATE_STRUCT_ARRAY(env.fpus, MIPSCPU, MIPS_FPU_MAX, 1,
292                              vmstate_inactive_fpu, CPUMIPSFPUContext),
293
294         VMSTATE_END_OF_LIST()
295     },
296 };
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