2 * S390x machine definitions and functions
4 * Copyright IBM Corp. 2014
11 * This work is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published
13 * by the Free Software Foundation; either version 2 of the License,
14 * or (at your option) any later version.
17 #include "qemu/osdep.h"
21 #include "sysemu/kvm.h"
23 static int cpu_post_load(void *opaque, int version_id)
25 S390CPU *cpu = opaque;
28 * As the cpu state is pushed to kvm via kvm_set_mp_state rather
29 * than via cpu_synchronize_state, we need update kvm here.
32 kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state);
33 return kvm_s390_vcpu_interrupt_post_load(cpu);
39 static void cpu_pre_save(void *opaque)
41 S390CPU *cpu = opaque;
44 kvm_s390_vcpu_interrupt_pre_save(cpu);
48 static inline bool fpu_needed(void *opaque)
50 /* This looks odd, but we might want to NOT transfer fprs in the future */
54 static const VMStateDescription vmstate_fpu = {
57 .minimum_version_id = 1,
59 .fields = (VMStateField[]) {
60 VMSTATE_UINT64(env.vregs[0][0].ll, S390CPU),
61 VMSTATE_UINT64(env.vregs[1][0].ll, S390CPU),
62 VMSTATE_UINT64(env.vregs[2][0].ll, S390CPU),
63 VMSTATE_UINT64(env.vregs[3][0].ll, S390CPU),
64 VMSTATE_UINT64(env.vregs[4][0].ll, S390CPU),
65 VMSTATE_UINT64(env.vregs[5][0].ll, S390CPU),
66 VMSTATE_UINT64(env.vregs[6][0].ll, S390CPU),
67 VMSTATE_UINT64(env.vregs[7][0].ll, S390CPU),
68 VMSTATE_UINT64(env.vregs[8][0].ll, S390CPU),
69 VMSTATE_UINT64(env.vregs[9][0].ll, S390CPU),
70 VMSTATE_UINT64(env.vregs[10][0].ll, S390CPU),
71 VMSTATE_UINT64(env.vregs[11][0].ll, S390CPU),
72 VMSTATE_UINT64(env.vregs[12][0].ll, S390CPU),
73 VMSTATE_UINT64(env.vregs[13][0].ll, S390CPU),
74 VMSTATE_UINT64(env.vregs[14][0].ll, S390CPU),
75 VMSTATE_UINT64(env.vregs[15][0].ll, S390CPU),
76 VMSTATE_UINT32(env.fpc, S390CPU),
81 static bool vregs_needed(void *opaque)
83 return s390_has_feat(S390_FEAT_VECTOR);
86 static const VMStateDescription vmstate_vregs = {
89 .minimum_version_id = 1,
90 .needed = vregs_needed,
91 .fields = (VMStateField[]) {
92 /* vregs[0][0] -> vregs[15][0] and fregs are overlays */
93 VMSTATE_UINT64(env.vregs[16][0].ll, S390CPU),
94 VMSTATE_UINT64(env.vregs[17][0].ll, S390CPU),
95 VMSTATE_UINT64(env.vregs[18][0].ll, S390CPU),
96 VMSTATE_UINT64(env.vregs[19][0].ll, S390CPU),
97 VMSTATE_UINT64(env.vregs[20][0].ll, S390CPU),
98 VMSTATE_UINT64(env.vregs[21][0].ll, S390CPU),
99 VMSTATE_UINT64(env.vregs[22][0].ll, S390CPU),
100 VMSTATE_UINT64(env.vregs[23][0].ll, S390CPU),
101 VMSTATE_UINT64(env.vregs[24][0].ll, S390CPU),
102 VMSTATE_UINT64(env.vregs[25][0].ll, S390CPU),
103 VMSTATE_UINT64(env.vregs[26][0].ll, S390CPU),
104 VMSTATE_UINT64(env.vregs[27][0].ll, S390CPU),
105 VMSTATE_UINT64(env.vregs[28][0].ll, S390CPU),
106 VMSTATE_UINT64(env.vregs[29][0].ll, S390CPU),
107 VMSTATE_UINT64(env.vregs[30][0].ll, S390CPU),
108 VMSTATE_UINT64(env.vregs[31][0].ll, S390CPU),
109 VMSTATE_UINT64(env.vregs[0][1].ll, S390CPU),
110 VMSTATE_UINT64(env.vregs[1][1].ll, S390CPU),
111 VMSTATE_UINT64(env.vregs[2][1].ll, S390CPU),
112 VMSTATE_UINT64(env.vregs[3][1].ll, S390CPU),
113 VMSTATE_UINT64(env.vregs[4][1].ll, S390CPU),
114 VMSTATE_UINT64(env.vregs[5][1].ll, S390CPU),
115 VMSTATE_UINT64(env.vregs[6][1].ll, S390CPU),
116 VMSTATE_UINT64(env.vregs[7][1].ll, S390CPU),
117 VMSTATE_UINT64(env.vregs[8][1].ll, S390CPU),
118 VMSTATE_UINT64(env.vregs[9][1].ll, S390CPU),
119 VMSTATE_UINT64(env.vregs[10][1].ll, S390CPU),
120 VMSTATE_UINT64(env.vregs[11][1].ll, S390CPU),
121 VMSTATE_UINT64(env.vregs[12][1].ll, S390CPU),
122 VMSTATE_UINT64(env.vregs[13][1].ll, S390CPU),
123 VMSTATE_UINT64(env.vregs[14][1].ll, S390CPU),
124 VMSTATE_UINT64(env.vregs[15][1].ll, S390CPU),
125 VMSTATE_UINT64(env.vregs[16][1].ll, S390CPU),
126 VMSTATE_UINT64(env.vregs[17][1].ll, S390CPU),
127 VMSTATE_UINT64(env.vregs[18][1].ll, S390CPU),
128 VMSTATE_UINT64(env.vregs[19][1].ll, S390CPU),
129 VMSTATE_UINT64(env.vregs[20][1].ll, S390CPU),
130 VMSTATE_UINT64(env.vregs[21][1].ll, S390CPU),
131 VMSTATE_UINT64(env.vregs[22][1].ll, S390CPU),
132 VMSTATE_UINT64(env.vregs[23][1].ll, S390CPU),
133 VMSTATE_UINT64(env.vregs[24][1].ll, S390CPU),
134 VMSTATE_UINT64(env.vregs[25][1].ll, S390CPU),
135 VMSTATE_UINT64(env.vregs[26][1].ll, S390CPU),
136 VMSTATE_UINT64(env.vregs[27][1].ll, S390CPU),
137 VMSTATE_UINT64(env.vregs[28][1].ll, S390CPU),
138 VMSTATE_UINT64(env.vregs[29][1].ll, S390CPU),
139 VMSTATE_UINT64(env.vregs[30][1].ll, S390CPU),
140 VMSTATE_UINT64(env.vregs[31][1].ll, S390CPU),
141 VMSTATE_END_OF_LIST()
145 static bool riccb_needed(void *opaque)
147 return s390_has_feat(S390_FEAT_RUNTIME_INSTRUMENTATION);
150 const VMStateDescription vmstate_riccb = {
153 .minimum_version_id = 1,
154 .needed = riccb_needed,
155 .fields = (VMStateField[]) {
156 VMSTATE_UINT8_ARRAY(env.riccb, S390CPU, 64),
157 VMSTATE_END_OF_LIST()
161 static bool exval_needed(void *opaque)
163 S390CPU *cpu = opaque;
164 return cpu->env.ex_value != 0;
167 const VMStateDescription vmstate_exval = {
170 .minimum_version_id = 1,
171 .needed = exval_needed,
172 .fields = (VMStateField[]) {
173 VMSTATE_UINT64(env.ex_value, S390CPU),
174 VMSTATE_END_OF_LIST()
178 static bool gscb_needed(void *opaque)
180 return kvm_s390_get_gs();
183 const VMStateDescription vmstate_gscb = {
186 .minimum_version_id = 1,
187 .needed = gscb_needed,
188 .fields = (VMStateField[]) {
189 VMSTATE_UINT64_ARRAY(env.gscb, S390CPU, 4),
190 VMSTATE_END_OF_LIST()
194 const VMStateDescription vmstate_s390_cpu = {
196 .post_load = cpu_post_load,
197 .pre_save = cpu_pre_save,
199 .minimum_version_id = 3,
200 .fields = (VMStateField[]) {
201 VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16),
202 VMSTATE_UINT64(env.psw.mask, S390CPU),
203 VMSTATE_UINT64(env.psw.addr, S390CPU),
204 VMSTATE_UINT64(env.psa, S390CPU),
205 VMSTATE_UINT32(env.todpr, S390CPU),
206 VMSTATE_UINT64(env.pfault_token, S390CPU),
207 VMSTATE_UINT64(env.pfault_compare, S390CPU),
208 VMSTATE_UINT64(env.pfault_select, S390CPU),
209 VMSTATE_UINT64(env.cputm, S390CPU),
210 VMSTATE_UINT64(env.ckc, S390CPU),
211 VMSTATE_UINT64(env.gbea, S390CPU),
212 VMSTATE_UINT64(env.pp, S390CPU),
213 VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16),
214 VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16),
215 VMSTATE_UINT8(env.cpu_state, S390CPU),
216 VMSTATE_UINT8(env.sigp_order, S390CPU),
217 VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4),
218 VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL,
219 irqstate_saved_size),
220 VMSTATE_END_OF_LIST()
222 .subsections = (const VMStateDescription*[]) {