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ef1df130 TH |
1 | /* |
2 | * S390x machine definitions and functions | |
3 | * | |
4 | * Copyright IBM Corp. 2014 | |
5 | * | |
6 | * Authors: | |
7 | * Thomas Huth <thuth@linux.vnet.ibm.com> | |
8 | * Christian Borntraeger <borntraeger@de.ibm.com> | |
9 | * Jason J. Herne <jjherne@us.ibm.com> | |
10 | * | |
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. | |
15 | */ | |
16 | ||
9615495a | 17 | #include "qemu/osdep.h" |
ef1df130 TH |
18 | #include "hw/hw.h" |
19 | #include "cpu.h" | |
20 | #include "sysemu/kvm.h" | |
21 | ||
22 | static int cpu_post_load(void *opaque, int version_id) | |
23 | { | |
24 | S390CPU *cpu = opaque; | |
25 | ||
26 | /* | |
27 | * As the cpu state is pushed to kvm via kvm_set_mp_state rather | |
28 | * than via cpu_synchronize_state, we need update kvm here. | |
29 | */ | |
30 | if (kvm_enabled()) { | |
31 | kvm_s390_set_cpu_state(cpu, cpu->env.cpu_state); | |
3cda44f7 | 32 | return kvm_s390_vcpu_interrupt_post_load(cpu); |
ef1df130 TH |
33 | } |
34 | ||
35 | return 0; | |
36 | } | |
3cda44f7 JF |
37 | static void cpu_pre_save(void *opaque) |
38 | { | |
39 | S390CPU *cpu = opaque; | |
40 | ||
41 | if (kvm_enabled()) { | |
42 | kvm_s390_vcpu_interrupt_pre_save(cpu); | |
43 | } | |
44 | } | |
ef1df130 | 45 | |
5cd8cada JQ |
46 | static inline bool fpu_needed(void *opaque) |
47 | { | |
48 | /* This looks odd, but we might want to NOT transfer fprs in the future */ | |
49 | return true; | |
50 | } | |
51 | ||
52c6cfb7 | 52 | static const VMStateDescription vmstate_fpu = { |
46c804de DH |
53 | .name = "cpu/fpu", |
54 | .version_id = 1, | |
55 | .minimum_version_id = 1, | |
5cd8cada | 56 | .needed = fpu_needed, |
46c804de | 57 | .fields = (VMStateField[]) { |
fcb79802 EF |
58 | VMSTATE_UINT64(env.vregs[0][0].ll, S390CPU), |
59 | VMSTATE_UINT64(env.vregs[1][0].ll, S390CPU), | |
60 | VMSTATE_UINT64(env.vregs[2][0].ll, S390CPU), | |
61 | VMSTATE_UINT64(env.vregs[3][0].ll, S390CPU), | |
62 | VMSTATE_UINT64(env.vregs[4][0].ll, S390CPU), | |
63 | VMSTATE_UINT64(env.vregs[5][0].ll, S390CPU), | |
64 | VMSTATE_UINT64(env.vregs[6][0].ll, S390CPU), | |
65 | VMSTATE_UINT64(env.vregs[7][0].ll, S390CPU), | |
66 | VMSTATE_UINT64(env.vregs[8][0].ll, S390CPU), | |
67 | VMSTATE_UINT64(env.vregs[9][0].ll, S390CPU), | |
68 | VMSTATE_UINT64(env.vregs[10][0].ll, S390CPU), | |
69 | VMSTATE_UINT64(env.vregs[11][0].ll, S390CPU), | |
70 | VMSTATE_UINT64(env.vregs[12][0].ll, S390CPU), | |
71 | VMSTATE_UINT64(env.vregs[13][0].ll, S390CPU), | |
72 | VMSTATE_UINT64(env.vregs[14][0].ll, S390CPU), | |
73 | VMSTATE_UINT64(env.vregs[15][0].ll, S390CPU), | |
46c804de DH |
74 | VMSTATE_UINT32(env.fpc, S390CPU), |
75 | VMSTATE_END_OF_LIST() | |
76 | } | |
77 | }; | |
78 | ||
b01501db PB |
79 | static bool vregs_needed(void *opaque) |
80 | { | |
81 | #ifdef CONFIG_KVM | |
82 | if (kvm_enabled()) { | |
83 | return kvm_check_extension(kvm_state, KVM_CAP_S390_VECTOR_REGISTERS); | |
84 | } | |
85 | #endif | |
86 | return 0; | |
87 | } | |
88 | ||
52c6cfb7 | 89 | static const VMStateDescription vmstate_vregs = { |
b2ac0ff5 EF |
90 | .name = "cpu/vregs", |
91 | .version_id = 1, | |
92 | .minimum_version_id = 1, | |
5cd8cada | 93 | .needed = vregs_needed, |
b2ac0ff5 EF |
94 | .fields = (VMStateField[]) { |
95 | /* vregs[0][0] -> vregs[15][0] and fregs are overlays */ | |
96 | VMSTATE_UINT64(env.vregs[16][0].ll, S390CPU), | |
97 | VMSTATE_UINT64(env.vregs[17][0].ll, S390CPU), | |
98 | VMSTATE_UINT64(env.vregs[18][0].ll, S390CPU), | |
99 | VMSTATE_UINT64(env.vregs[19][0].ll, S390CPU), | |
100 | VMSTATE_UINT64(env.vregs[20][0].ll, S390CPU), | |
101 | VMSTATE_UINT64(env.vregs[21][0].ll, S390CPU), | |
102 | VMSTATE_UINT64(env.vregs[22][0].ll, S390CPU), | |
103 | VMSTATE_UINT64(env.vregs[23][0].ll, S390CPU), | |
104 | VMSTATE_UINT64(env.vregs[24][0].ll, S390CPU), | |
105 | VMSTATE_UINT64(env.vregs[25][0].ll, S390CPU), | |
106 | VMSTATE_UINT64(env.vregs[26][0].ll, S390CPU), | |
107 | VMSTATE_UINT64(env.vregs[27][0].ll, S390CPU), | |
108 | VMSTATE_UINT64(env.vregs[28][0].ll, S390CPU), | |
109 | VMSTATE_UINT64(env.vregs[29][0].ll, S390CPU), | |
110 | VMSTATE_UINT64(env.vregs[30][0].ll, S390CPU), | |
111 | VMSTATE_UINT64(env.vregs[31][0].ll, S390CPU), | |
112 | VMSTATE_UINT64(env.vregs[0][1].ll, S390CPU), | |
113 | VMSTATE_UINT64(env.vregs[1][1].ll, S390CPU), | |
114 | VMSTATE_UINT64(env.vregs[2][1].ll, S390CPU), | |
115 | VMSTATE_UINT64(env.vregs[3][1].ll, S390CPU), | |
116 | VMSTATE_UINT64(env.vregs[4][1].ll, S390CPU), | |
117 | VMSTATE_UINT64(env.vregs[5][1].ll, S390CPU), | |
118 | VMSTATE_UINT64(env.vregs[6][1].ll, S390CPU), | |
119 | VMSTATE_UINT64(env.vregs[7][1].ll, S390CPU), | |
120 | VMSTATE_UINT64(env.vregs[8][1].ll, S390CPU), | |
121 | VMSTATE_UINT64(env.vregs[9][1].ll, S390CPU), | |
122 | VMSTATE_UINT64(env.vregs[10][1].ll, S390CPU), | |
123 | VMSTATE_UINT64(env.vregs[11][1].ll, S390CPU), | |
124 | VMSTATE_UINT64(env.vregs[12][1].ll, S390CPU), | |
125 | VMSTATE_UINT64(env.vregs[13][1].ll, S390CPU), | |
126 | VMSTATE_UINT64(env.vregs[14][1].ll, S390CPU), | |
127 | VMSTATE_UINT64(env.vregs[15][1].ll, S390CPU), | |
128 | VMSTATE_UINT64(env.vregs[16][1].ll, S390CPU), | |
129 | VMSTATE_UINT64(env.vregs[17][1].ll, S390CPU), | |
130 | VMSTATE_UINT64(env.vregs[18][1].ll, S390CPU), | |
131 | VMSTATE_UINT64(env.vregs[19][1].ll, S390CPU), | |
132 | VMSTATE_UINT64(env.vregs[20][1].ll, S390CPU), | |
133 | VMSTATE_UINT64(env.vregs[21][1].ll, S390CPU), | |
134 | VMSTATE_UINT64(env.vregs[22][1].ll, S390CPU), | |
135 | VMSTATE_UINT64(env.vregs[23][1].ll, S390CPU), | |
136 | VMSTATE_UINT64(env.vregs[24][1].ll, S390CPU), | |
137 | VMSTATE_UINT64(env.vregs[25][1].ll, S390CPU), | |
138 | VMSTATE_UINT64(env.vregs[26][1].ll, S390CPU), | |
139 | VMSTATE_UINT64(env.vregs[27][1].ll, S390CPU), | |
140 | VMSTATE_UINT64(env.vregs[28][1].ll, S390CPU), | |
141 | VMSTATE_UINT64(env.vregs[29][1].ll, S390CPU), | |
142 | VMSTATE_UINT64(env.vregs[30][1].ll, S390CPU), | |
143 | VMSTATE_UINT64(env.vregs[31][1].ll, S390CPU), | |
144 | VMSTATE_END_OF_LIST() | |
145 | } | |
146 | }; | |
147 | ||
b01501db PB |
148 | static bool riccb_needed(void *opaque) |
149 | { | |
150 | #ifdef CONFIG_KVM | |
151 | if (kvm_enabled()) { | |
152 | return kvm_s390_get_ri(); | |
153 | } | |
154 | #endif | |
155 | return 0; | |
156 | } | |
157 | ||
9700230b FZ |
158 | const VMStateDescription vmstate_riccb = { |
159 | .name = "cpu/riccb", | |
160 | .version_id = 1, | |
161 | .minimum_version_id = 1, | |
162 | .needed = riccb_needed, | |
163 | .fields = (VMStateField[]) { | |
164 | VMSTATE_UINT8_ARRAY(env.riccb, S390CPU, 64), | |
165 | VMSTATE_END_OF_LIST() | |
166 | } | |
167 | }; | |
168 | ||
46c804de DH |
169 | const VMStateDescription vmstate_s390_cpu = { |
170 | .name = "cpu", | |
171 | .post_load = cpu_post_load, | |
3cda44f7 JF |
172 | .pre_save = cpu_pre_save, |
173 | .version_id = 4, | |
46c804de DH |
174 | .minimum_version_id = 3, |
175 | .fields = (VMStateField[]) { | |
ef1df130 TH |
176 | VMSTATE_UINT64_ARRAY(env.regs, S390CPU, 16), |
177 | VMSTATE_UINT64(env.psw.mask, S390CPU), | |
178 | VMSTATE_UINT64(env.psw.addr, S390CPU), | |
179 | VMSTATE_UINT64(env.psa, S390CPU), | |
ef1df130 TH |
180 | VMSTATE_UINT32(env.todpr, S390CPU), |
181 | VMSTATE_UINT64(env.pfault_token, S390CPU), | |
182 | VMSTATE_UINT64(env.pfault_compare, S390CPU), | |
183 | VMSTATE_UINT64(env.pfault_select, S390CPU), | |
184 | VMSTATE_UINT64(env.cputm, S390CPU), | |
185 | VMSTATE_UINT64(env.ckc, S390CPU), | |
186 | VMSTATE_UINT64(env.gbea, S390CPU), | |
187 | VMSTATE_UINT64(env.pp, S390CPU), | |
188 | VMSTATE_UINT32_ARRAY(env.aregs, S390CPU, 16), | |
189 | VMSTATE_UINT64_ARRAY(env.cregs, S390CPU, 16), | |
190 | VMSTATE_UINT8(env.cpu_state, S390CPU), | |
18ff9494 | 191 | VMSTATE_UINT8(env.sigp_order, S390CPU), |
3cda44f7 JF |
192 | VMSTATE_UINT32_V(irqstate_saved_size, S390CPU, 4), |
193 | VMSTATE_VBUFFER_UINT32(irqstate, S390CPU, 4, NULL, 0, | |
194 | irqstate_saved_size), | |
ef1df130 | 195 | VMSTATE_END_OF_LIST() |
5cd8cada JQ |
196 | }, |
197 | .subsections = (const VMStateDescription*[]) { | |
198 | &vmstate_fpu, | |
199 | &vmstate_vregs, | |
9700230b | 200 | &vmstate_riccb, |
5cd8cada | 201 | NULL |
46c804de | 202 | }, |
ef1df130 | 203 | }; |