summaryrefslogtreecommitdiffstats
path: root/target-sparc/machine.c
blob: 59c92f75828588d34a4d837d26e432d230c28eac (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
#include "qemu/osdep.h"
#include "qemu-common.h"
#include "cpu.h"
#include "exec/exec-all.h"
#include "hw/hw.h"
#include "hw/boards.h"
#include "qemu/timer.h"

#include "cpu.h"
#include "exec/exec-all.h"
#include "migration/cpu.h"
#include "exec/exec-all.h"

#ifdef TARGET_SPARC64
static const VMStateDescription vmstate_cpu_timer = {
    .name = "cpu_timer",
    .version_id = 1,
    .minimum_version_id = 1,
    .minimum_version_id_old = 1,
    .fields = (VMStateField[]) {
        VMSTATE_UINT32(frequency, CPUTimer),
        VMSTATE_UINT32(disabled, CPUTimer),
        VMSTATE_UINT64(disabled_mask, CPUTimer),
        VMSTATE_UINT32(npt, CPUTimer),
        VMSTATE_UINT64(npt_mask, CPUTimer),
        VMSTATE_INT64(clock_offset, CPUTimer),
        VMSTATE_TIMER_PTR(qtimer, CPUTimer),
        VMSTATE_END_OF_LIST()
    }
};

#define VMSTATE_CPU_TIMER(_f, _s)                             \
    VMSTATE_STRUCT_POINTER(_f, _s, vmstate_cpu_timer, CPUTimer)

static const VMStateDescription vmstate_trap_state = {
    .name = "trap_state",
    .version_id = 1,
    .minimum_version_id = 1,
    .minimum_version_id_old = 1,
    .fields = (VMStateField[]) {
        VMSTATE_UINT64(tpc, trap_state),
        VMSTATE_UINT64(tnpc, trap_state),
        VMSTATE_UINT64(tstate, trap_state),
        VMSTATE_UINT32(tt, trap_state),
        VMSTATE_END_OF_LIST()
    }
};

static const VMStateDescription vmstate_tlb_entry = {
    .name = "tlb_entry",
    .version_id = 1,
    .minimum_version_id = 1,
    .minimum_version_id_old = 1,
    .fields = (VMStateField[]) {
        VMSTATE_UINT64(tag, SparcTLBEntry),
        VMSTATE_UINT64(tte, SparcTLBEntry),
        VMSTATE_END_OF_LIST()
    }
};
#endif

static int get_psr(QEMUFile *f, void *opaque, size_t size)
{
    SPARCCPU *cpu = opaque;
    CPUSPARCState *env = &cpu->env;
    uint32_t val = qemu_get_be32(f);

    /* needed to ensure that the wrapping registers are correctly updated */
    env->cwp = 0;
    cpu_put_psr_raw(env, val);

    return 0;
}

static void put_psr(QEMUFile *f, void *opaque, size_t size)
{
    SPARCCPU *cpu = opaque;
    CPUSPARCState *env = &cpu->env;
    uint32_t val;

    val = cpu_get_psr(env);

    qemu_put_be32(f, val);
}

static const VMStateInfo vmstate_psr = {
    .name = "psr",
    .get = get_psr,
    .put = put_psr,
};

static void cpu_pre_save(void *opaque)
{
    SPARCCPU *cpu = opaque;
    CPUSPARCState *env = &cpu->env;

    /* if env->cwp == env->nwindows - 1, this will set the ins of the last
     * window as the outs of the first window
     */
    cpu_set_cwp(env, env->cwp);
}

/* 32-bit SPARC retains migration compatibility with older versions
 * of QEMU; 64-bit SPARC has had a migration break since then, so the
 * versions are different.
 */
#ifndef TARGET_SPARC64
#define SPARC_VMSTATE_VER 7
#else
#define SPARC_VMSTATE_VER 9
#endif

const VMStateDescription vmstate_sparc_cpu = {
    .name = "cpu",
    .version_id = SPARC_VMSTATE_VER,
    .minimum_version_id = SPARC_VMSTATE_VER,
    .minimum_version_id_old = SPARC_VMSTATE_VER,
    .pre_save = cpu_pre_save,
    .fields = (VMStateField[]) {
        VMSTATE_UINTTL_ARRAY(env.gregs, SPARCCPU, 8),
        VMSTATE_UINT32(env.nwindows, SPARCCPU),
        VMSTATE_VARRAY_MULTIPLY(env.regbase, SPARCCPU, env.nwindows, 16,
                                vmstate_info_uinttl, target_ulong),
        VMSTATE_CPUDOUBLE_ARRAY(env.fpr, SPARCCPU, TARGET_DPREGS),
        VMSTATE_UINTTL(env.pc, SPARCCPU),
        VMSTATE_UINTTL(env.npc, SPARCCPU),
        VMSTATE_UINTTL(env.y, SPARCCPU),
        {

            .name = "psr",
            .version_id = 0,
            .size = sizeof(uint32_t),
            .info = &vmstate_psr,
            .flags = VMS_SINGLE,
            .offset = 0,
        },
        VMSTATE_UINTTL(env.fsr, SPARCCPU),
        VMSTATE_UINTTL(env.tbr, SPARCCPU),
        VMSTATE_INT32(env.interrupt_index, SPARCCPU),
        VMSTATE_UINT32(env.pil_in, SPARCCPU),
#ifndef TARGET_SPARC64
        /* MMU */
        VMSTATE_UINT32(env.wim, SPARCCPU),
        VMSTATE_UINT32_ARRAY(env.mmuregs, SPARCCPU, 32),
        VMSTATE_UINT64_ARRAY(env.mxccdata, SPARCCPU, 4),
        VMSTATE_UINT64_ARRAY(env.mxccregs, SPARCCPU, 8),
        VMSTATE_UINT32(env.mmubpctrv, SPARCCPU),
        VMSTATE_UINT32(env.mmubpctrc, SPARCCPU),
        VMSTATE_UINT32(env.mmubpctrs, SPARCCPU),
        VMSTATE_UINT64(env.mmubpaction, SPARCCPU),
        VMSTATE_UINT64_ARRAY(env.mmubpregs, SPARCCPU, 4),
#else
        VMSTATE_UINT64(env.lsu, SPARCCPU),
        VMSTATE_UINT64_ARRAY(env.immuregs, SPARCCPU, 16),
        VMSTATE_UINT64_ARRAY(env.dmmuregs, SPARCCPU, 16),
        VMSTATE_STRUCT_ARRAY(env.itlb, SPARCCPU, 64, 0,
                             vmstate_tlb_entry, SparcTLBEntry),
        VMSTATE_STRUCT_ARRAY(env.dtlb, SPARCCPU, 64, 0,
                             vmstate_tlb_entry, SparcTLBEntry),
        VMSTATE_UINT32(env.mmu_version, SPARCCPU),
        VMSTATE_STRUCT_ARRAY(env.ts, SPARCCPU, MAXTL_MAX, 0,
                             vmstate_trap_state, trap_state),
        VMSTATE_UINT32(env.xcc, SPARCCPU),
        VMSTATE_UINT32(env.asi, SPARCCPU),
        VMSTATE_UINT32(env.pstate, SPARCCPU),
        VMSTATE_UINT32(env.tl, SPARCCPU),
        VMSTATE_UINT32(env.cansave, SPARCCPU),
        VMSTATE_UINT32(env.canrestore, SPARCCPU),
        VMSTATE_UINT32(env.otherwin, SPARCCPU),
        VMSTATE_UINT32(env.wstate, SPARCCPU),
        VMSTATE_UINT32(env.cleanwin, SPARCCPU),
        VMSTATE_UINT64_ARRAY(env.agregs, SPARCCPU, 8),
        VMSTATE_UINT64_ARRAY(env.bgregs, SPARCCPU, 8),
        VMSTATE_UINT64_ARRAY(env.igregs, SPARCCPU, 8),
        VMSTATE_UINT64_ARRAY(env.mgregs, SPARCCPU, 8),
        VMSTATE_UINT64(env.fprs, SPARCCPU),
        VMSTATE_UINT64(env.tick_cmpr, SPARCCPU),
        VMSTATE_UINT64(env.stick_cmpr, SPARCCPU),
        VMSTATE_CPU_TIMER(env.tick, SPARCCPU),
        VMSTATE_CPU_TIMER(env.stick, SPARCCPU),
        VMSTATE_UINT64(env.gsr, SPARCCPU),
        VMSTATE_UINT32(env.gl, SPARCCPU),
        VMSTATE_UINT64(env.hpstate, SPARCCPU),
        VMSTATE_UINT64_ARRAY(env.htstate, SPARCCPU, MAXTL_MAX),
        VMSTATE_UINT64(env.hintp, SPARCCPU),
        VMSTATE_UINT64(env.htba, SPARCCPU),
        VMSTATE_UINT64(env.hver, SPARCCPU),
        VMSTATE_UINT64(env.hstick_cmpr, SPARCCPU),
        VMSTATE_UINT64(env.ssr, SPARCCPU),
        VMSTATE_CPU_TIMER(env.hstick, SPARCCPU),
        /* On SPARC32 env.psrpil and env.cwp are migrated as part of the PSR */
        VMSTATE_UINT32(env.psrpil, SPARCCPU),
        VMSTATE_UINT32(env.cwp, SPARCCPU),
#endif
        VMSTATE_END_OF_LIST()
    },
};