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f7697f0e YJ |
1 | /* |
2 | * RISC-V VMState Description | |
3 | * | |
4 | * Copyright (c) 2020 Huawei Technologies Co., Ltd | |
5 | * | |
6 | * This program is free software; you can redistribute it and/or modify it | |
7 | * under the terms and conditions of the GNU General Public License, | |
8 | * version 2 or later, as published by the Free Software Foundation. | |
9 | * | |
10 | * This program is distributed in the hope it will be useful, but WITHOUT | |
11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or | |
12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for | |
13 | * more details. | |
14 | * | |
15 | * You should have received a copy of the GNU General Public License along with | |
16 | * this program. If not, see <http://www.gnu.org/licenses/>. | |
17 | */ | |
18 | ||
19 | #include "qemu/osdep.h" | |
20 | #include "cpu.h" | |
21 | #include "qemu/error-report.h" | |
22 | #include "sysemu/kvm.h" | |
23 | #include "migration/cpu.h" | |
24 | ||
24beb03e YJ |
25 | static bool pmp_needed(void *opaque) |
26 | { | |
27 | RISCVCPU *cpu = opaque; | |
28 | CPURISCVState *env = &cpu->env; | |
29 | ||
30 | return riscv_feature(env, RISCV_FEATURE_PMP); | |
31 | } | |
32 | ||
33 | static int pmp_post_load(void *opaque, int version_id) | |
34 | { | |
35 | RISCVCPU *cpu = opaque; | |
36 | CPURISCVState *env = &cpu->env; | |
37 | int i; | |
38 | ||
39 | for (i = 0; i < MAX_RISCV_PMPS; i++) { | |
40 | pmp_update_rule_addr(env, i); | |
41 | } | |
42 | pmp_update_rule_nums(env); | |
43 | ||
44 | return 0; | |
45 | } | |
46 | ||
47 | static const VMStateDescription vmstate_pmp_entry = { | |
48 | .name = "cpu/pmp/entry", | |
49 | .version_id = 1, | |
50 | .minimum_version_id = 1, | |
51 | .fields = (VMStateField[]) { | |
52 | VMSTATE_UINTTL(addr_reg, pmp_entry_t), | |
53 | VMSTATE_UINT8(cfg_reg, pmp_entry_t), | |
54 | VMSTATE_END_OF_LIST() | |
55 | } | |
56 | }; | |
57 | ||
58 | static const VMStateDescription vmstate_pmp = { | |
59 | .name = "cpu/pmp", | |
60 | .version_id = 1, | |
61 | .minimum_version_id = 1, | |
62 | .needed = pmp_needed, | |
63 | .post_load = pmp_post_load, | |
64 | .fields = (VMStateField[]) { | |
65 | VMSTATE_STRUCT_ARRAY(env.pmp_state.pmp, RISCVCPU, MAX_RISCV_PMPS, | |
66 | 0, vmstate_pmp_entry, pmp_entry_t), | |
67 | VMSTATE_END_OF_LIST() | |
68 | } | |
69 | }; | |
70 | ||
35e07821 YJ |
71 | static bool hyper_needed(void *opaque) |
72 | { | |
73 | RISCVCPU *cpu = opaque; | |
74 | CPURISCVState *env = &cpu->env; | |
75 | ||
76 | return riscv_has_ext(env, RVH); | |
77 | } | |
78 | ||
edcc4e40 BM |
79 | static const VMStateDescription vmstate_hyper = { |
80 | .name = "cpu/hyper", | |
81 | .version_id = 1, | |
82 | .minimum_version_id = 1, | |
83 | .needed = hyper_needed, | |
84 | .fields = (VMStateField[]) { | |
85 | VMSTATE_UINTTL(env.hstatus, RISCVCPU), | |
86 | VMSTATE_UINTTL(env.hedeleg, RISCVCPU), | |
87 | VMSTATE_UINTTL(env.hideleg, RISCVCPU), | |
88 | VMSTATE_UINTTL(env.hcounteren, RISCVCPU), | |
89 | VMSTATE_UINTTL(env.htval, RISCVCPU), | |
90 | VMSTATE_UINTTL(env.htinst, RISCVCPU), | |
91 | VMSTATE_UINTTL(env.hgatp, RISCVCPU), | |
92 | VMSTATE_UINT64(env.htimedelta, RISCVCPU), | |
bb02edcd | 93 | |
edcc4e40 BM |
94 | VMSTATE_UINT64(env.vsstatus, RISCVCPU), |
95 | VMSTATE_UINTTL(env.vstvec, RISCVCPU), | |
96 | VMSTATE_UINTTL(env.vsscratch, RISCVCPU), | |
97 | VMSTATE_UINTTL(env.vsepc, RISCVCPU), | |
98 | VMSTATE_UINTTL(env.vscause, RISCVCPU), | |
99 | VMSTATE_UINTTL(env.vstval, RISCVCPU), | |
100 | VMSTATE_UINTTL(env.vsatp, RISCVCPU), | |
bb02edcd | 101 | |
edcc4e40 BM |
102 | VMSTATE_UINTTL(env.mtval2, RISCVCPU), |
103 | VMSTATE_UINTTL(env.mtinst, RISCVCPU), | |
104 | ||
105 | VMSTATE_UINTTL(env.stvec_hs, RISCVCPU), | |
106 | VMSTATE_UINTTL(env.sscratch_hs, RISCVCPU), | |
107 | VMSTATE_UINTTL(env.sepc_hs, RISCVCPU), | |
108 | VMSTATE_UINTTL(env.scause_hs, RISCVCPU), | |
109 | VMSTATE_UINTTL(env.stval_hs, RISCVCPU), | |
110 | VMSTATE_UINTTL(env.satp_hs, RISCVCPU), | |
111 | VMSTATE_UINT64(env.mstatus_hs, RISCVCPU), | |
112 | ||
113 | VMSTATE_END_OF_LIST() | |
114 | } | |
115 | }; | |
116 | ||
117 | static bool vector_needed(void *opaque) | |
b1c279e1 AB |
118 | { |
119 | RISCVCPU *cpu = opaque; | |
120 | CPURISCVState *env = &cpu->env; | |
121 | ||
edcc4e40 | 122 | return riscv_has_ext(env, RVV); |
b1c279e1 AB |
123 | } |
124 | ||
bb02edcd YJ |
125 | static const VMStateDescription vmstate_vector = { |
126 | .name = "cpu/vector", | |
127 | .version_id = 1, | |
128 | .minimum_version_id = 1, | |
129 | .needed = vector_needed, | |
130 | .fields = (VMStateField[]) { | |
131 | VMSTATE_UINT64_ARRAY(env.vreg, RISCVCPU, 32 * RV_VLEN_MAX / 64), | |
132 | VMSTATE_UINTTL(env.vxrm, RISCVCPU), | |
133 | VMSTATE_UINTTL(env.vxsat, RISCVCPU), | |
134 | VMSTATE_UINTTL(env.vl, RISCVCPU), | |
135 | VMSTATE_UINTTL(env.vstart, RISCVCPU), | |
136 | VMSTATE_UINTTL(env.vtype, RISCVCPU), | |
137 | VMSTATE_END_OF_LIST() | |
138 | } | |
139 | }; | |
140 | ||
edcc4e40 BM |
141 | static bool pointermasking_needed(void *opaque) |
142 | { | |
143 | RISCVCPU *cpu = opaque; | |
144 | CPURISCVState *env = &cpu->env; | |
145 | ||
146 | return riscv_has_ext(env, RVJ); | |
147 | } | |
148 | ||
b1c279e1 AB |
149 | static const VMStateDescription vmstate_pointermasking = { |
150 | .name = "cpu/pointer_masking", | |
151 | .version_id = 1, | |
152 | .minimum_version_id = 1, | |
153 | .needed = pointermasking_needed, | |
154 | .fields = (VMStateField[]) { | |
155 | VMSTATE_UINTTL(env.mmte, RISCVCPU), | |
156 | VMSTATE_UINTTL(env.mpmmask, RISCVCPU), | |
157 | VMSTATE_UINTTL(env.mpmbase, RISCVCPU), | |
158 | VMSTATE_UINTTL(env.spmmask, RISCVCPU), | |
159 | VMSTATE_UINTTL(env.spmbase, RISCVCPU), | |
160 | VMSTATE_UINTTL(env.upmmask, RISCVCPU), | |
161 | VMSTATE_UINTTL(env.upmbase, RISCVCPU), | |
162 | ||
163 | VMSTATE_END_OF_LIST() | |
164 | } | |
165 | }; | |
166 | ||
2b547084 FP |
167 | static bool rv128_needed(void *opaque) |
168 | { | |
169 | RISCVCPU *cpu = opaque; | |
170 | CPURISCVState *env = &cpu->env; | |
171 | ||
172 | return env->misa_mxl_max == MXL_RV128; | |
173 | } | |
174 | ||
175 | static const VMStateDescription vmstate_rv128 = { | |
176 | .name = "cpu/rv128", | |
177 | .version_id = 1, | |
178 | .minimum_version_id = 1, | |
179 | .needed = rv128_needed, | |
180 | .fields = (VMStateField[]) { | |
181 | VMSTATE_UINTTL_ARRAY(env.gprh, RISCVCPU, 32), | |
2c64ab66 FP |
182 | VMSTATE_UINT64(env.mscratchh, RISCVCPU), |
183 | VMSTATE_UINT64(env.sscratchh, RISCVCPU), | |
2b547084 FP |
184 | VMSTATE_END_OF_LIST() |
185 | } | |
186 | }; | |
187 | ||
1eb9a5da YJ |
188 | static bool kvmtimer_needed(void *opaque) |
189 | { | |
190 | return kvm_enabled(); | |
191 | } | |
192 | ||
193 | static int cpu_post_load(void *opaque, int version_id) | |
194 | { | |
195 | RISCVCPU *cpu = opaque; | |
196 | CPURISCVState *env = &cpu->env; | |
197 | ||
198 | env->kvm_timer_dirty = true; | |
199 | return 0; | |
200 | } | |
201 | ||
202 | static const VMStateDescription vmstate_kvmtimer = { | |
203 | .name = "cpu/kvmtimer", | |
204 | .version_id = 1, | |
205 | .minimum_version_id = 1, | |
206 | .needed = kvmtimer_needed, | |
207 | .post_load = cpu_post_load, | |
208 | .fields = (VMStateField[]) { | |
209 | VMSTATE_UINT64(env.kvm_timer_time, RISCVCPU), | |
210 | VMSTATE_UINT64(env.kvm_timer_compare, RISCVCPU), | |
211 | VMSTATE_UINT64(env.kvm_timer_state, RISCVCPU), | |
212 | ||
213 | VMSTATE_END_OF_LIST() | |
214 | } | |
215 | }; | |
216 | ||
440544e1 LZ |
217 | static int riscv_cpu_post_load(void *opaque, int version_id) |
218 | { | |
219 | RISCVCPU *cpu = opaque; | |
220 | CPURISCVState *env = &cpu->env; | |
221 | ||
222 | env->xl = cpu_recompute_xl(env); | |
223 | return 0; | |
224 | } | |
225 | ||
f7697f0e YJ |
226 | const VMStateDescription vmstate_riscv_cpu = { |
227 | .name = "cpu", | |
e91a7227 RH |
228 | .version_id = 3, |
229 | .minimum_version_id = 3, | |
440544e1 | 230 | .post_load = riscv_cpu_post_load, |
f7697f0e YJ |
231 | .fields = (VMStateField[]) { |
232 | VMSTATE_UINTTL_ARRAY(env.gpr, RISCVCPU, 32), | |
233 | VMSTATE_UINT64_ARRAY(env.fpr, RISCVCPU, 32), | |
234 | VMSTATE_UINTTL(env.pc, RISCVCPU), | |
235 | VMSTATE_UINTTL(env.load_res, RISCVCPU), | |
236 | VMSTATE_UINTTL(env.load_val, RISCVCPU), | |
237 | VMSTATE_UINTTL(env.frm, RISCVCPU), | |
238 | VMSTATE_UINTTL(env.badaddr, RISCVCPU), | |
239 | VMSTATE_UINTTL(env.guest_phys_fault_addr, RISCVCPU), | |
240 | VMSTATE_UINTTL(env.priv_ver, RISCVCPU), | |
241 | VMSTATE_UINTTL(env.vext_ver, RISCVCPU), | |
e91a7227 RH |
242 | VMSTATE_UINT32(env.misa_mxl, RISCVCPU), |
243 | VMSTATE_UINT32(env.misa_ext, RISCVCPU), | |
244 | VMSTATE_UINT32(env.misa_mxl_max, RISCVCPU), | |
245 | VMSTATE_UINT32(env.misa_ext_mask, RISCVCPU), | |
f7697f0e YJ |
246 | VMSTATE_UINT32(env.features, RISCVCPU), |
247 | VMSTATE_UINTTL(env.priv, RISCVCPU), | |
248 | VMSTATE_UINTTL(env.virt, RISCVCPU), | |
249 | VMSTATE_UINTTL(env.resetvec, RISCVCPU), | |
250 | VMSTATE_UINTTL(env.mhartid, RISCVCPU), | |
251 | VMSTATE_UINT64(env.mstatus, RISCVCPU), | |
252 | VMSTATE_UINTTL(env.mip, RISCVCPU), | |
253 | VMSTATE_UINT32(env.miclaim, RISCVCPU), | |
254 | VMSTATE_UINTTL(env.mie, RISCVCPU), | |
255 | VMSTATE_UINTTL(env.mideleg, RISCVCPU), | |
f7697f0e | 256 | VMSTATE_UINTTL(env.satp, RISCVCPU), |
ac12b601 | 257 | VMSTATE_UINTTL(env.stval, RISCVCPU), |
f7697f0e YJ |
258 | VMSTATE_UINTTL(env.medeleg, RISCVCPU), |
259 | VMSTATE_UINTTL(env.stvec, RISCVCPU), | |
260 | VMSTATE_UINTTL(env.sepc, RISCVCPU), | |
261 | VMSTATE_UINTTL(env.scause, RISCVCPU), | |
262 | VMSTATE_UINTTL(env.mtvec, RISCVCPU), | |
263 | VMSTATE_UINTTL(env.mepc, RISCVCPU), | |
264 | VMSTATE_UINTTL(env.mcause, RISCVCPU), | |
265 | VMSTATE_UINTTL(env.mtval, RISCVCPU), | |
266 | VMSTATE_UINTTL(env.scounteren, RISCVCPU), | |
267 | VMSTATE_UINTTL(env.mcounteren, RISCVCPU), | |
268 | VMSTATE_UINTTL(env.sscratch, RISCVCPU), | |
269 | VMSTATE_UINTTL(env.mscratch, RISCVCPU), | |
270 | VMSTATE_UINT64(env.mfromhost, RISCVCPU), | |
271 | VMSTATE_UINT64(env.mtohost, RISCVCPU), | |
272 | VMSTATE_UINT64(env.timecmp, RISCVCPU), | |
273 | ||
274 | VMSTATE_END_OF_LIST() | |
24beb03e YJ |
275 | }, |
276 | .subsections = (const VMStateDescription * []) { | |
277 | &vmstate_pmp, | |
35e07821 | 278 | &vmstate_hyper, |
bb02edcd | 279 | &vmstate_vector, |
b1c279e1 | 280 | &vmstate_pointermasking, |
2b547084 | 281 | &vmstate_rv128, |
1eb9a5da | 282 | &vmstate_kvmtimer, |
24beb03e | 283 | NULL |
f7697f0e YJ |
284 | } |
285 | }; |