Statistics
| Branch: | Revision:

root / target-arm / machine.c @ 60e1b2a6

History | View | Annotate | Download (7.6 kB)

1
#include "hw/hw.h"
2
#include "hw/boards.h"
3

    
4
void cpu_save(QEMUFile *f, void *opaque)
5
{
6
    int i;
7
    CPUARMState *env = (CPUARMState *)opaque;
8

    
9
    for (i = 0; i < 16; i++) {
10
        qemu_put_be32(f, env->regs[i]);
11
    }
12
    qemu_put_be32(f, cpsr_read(env));
13
    qemu_put_be32(f, env->spsr);
14
    for (i = 0; i < 6; i++) {
15
        qemu_put_be32(f, env->banked_spsr[i]);
16
        qemu_put_be32(f, env->banked_r13[i]);
17
        qemu_put_be32(f, env->banked_r14[i]);
18
    }
19
    for (i = 0; i < 5; i++) {
20
        qemu_put_be32(f, env->usr_regs[i]);
21
        qemu_put_be32(f, env->fiq_regs[i]);
22
    }
23
    qemu_put_be32(f, env->cp15.c0_cpuid);
24
    qemu_put_be32(f, env->cp15.c0_cachetype);
25
    qemu_put_be32(f, env->cp15.c0_cssel);
26
    qemu_put_be32(f, env->cp15.c1_sys);
27
    qemu_put_be32(f, env->cp15.c1_coproc);
28
    qemu_put_be32(f, env->cp15.c1_xscaleauxcr);
29
    qemu_put_be32(f, env->cp15.c1_scr);
30
    qemu_put_be32(f, env->cp15.c2_base0);
31
    qemu_put_be32(f, env->cp15.c2_base1);
32
    qemu_put_be32(f, env->cp15.c2_control);
33
    qemu_put_be32(f, env->cp15.c2_mask);
34
    qemu_put_be32(f, env->cp15.c2_base_mask);
35
    qemu_put_be32(f, env->cp15.c2_data);
36
    qemu_put_be32(f, env->cp15.c2_insn);
37
    qemu_put_be32(f, env->cp15.c3);
38
    qemu_put_be32(f, env->cp15.c5_insn);
39
    qemu_put_be32(f, env->cp15.c5_data);
40
    for (i = 0; i < 8; i++) {
41
        qemu_put_be32(f, env->cp15.c6_region[i]);
42
    }
43
    qemu_put_be32(f, env->cp15.c6_insn);
44
    qemu_put_be32(f, env->cp15.c6_data);
45
    qemu_put_be32(f, env->cp15.c7_par);
46
    qemu_put_be32(f, env->cp15.c9_insn);
47
    qemu_put_be32(f, env->cp15.c9_data);
48
    qemu_put_be32(f, env->cp15.c9_pmcr);
49
    qemu_put_be32(f, env->cp15.c9_pmcnten);
50
    qemu_put_be32(f, env->cp15.c9_pmovsr);
51
    qemu_put_be32(f, env->cp15.c9_pmxevtyper);
52
    qemu_put_be32(f, env->cp15.c9_pmuserenr);
53
    qemu_put_be32(f, env->cp15.c9_pminten);
54
    qemu_put_be32(f, env->cp15.c13_fcse);
55
    qemu_put_be32(f, env->cp15.c13_context);
56
    qemu_put_be32(f, env->cp15.c13_tls1);
57
    qemu_put_be32(f, env->cp15.c13_tls2);
58
    qemu_put_be32(f, env->cp15.c13_tls3);
59
    qemu_put_be32(f, env->cp15.c15_cpar);
60
    qemu_put_be32(f, env->cp15.c15_power_control);
61
    qemu_put_be32(f, env->cp15.c15_diagnostic);
62
    qemu_put_be32(f, env->cp15.c15_power_diagnostic);
63

    
64
    qemu_put_be32(f, env->features);
65

    
66
    if (arm_feature(env, ARM_FEATURE_VFP)) {
67
        for (i = 0;  i < 16; i++) {
68
            CPU_DoubleU u;
69
            u.d = env->vfp.regs[i];
70
            qemu_put_be32(f, u.l.upper);
71
            qemu_put_be32(f, u.l.lower);
72
        }
73
        for (i = 0; i < 16; i++) {
74
            qemu_put_be32(f, env->vfp.xregs[i]);
75
        }
76

    
77
        /* TODO: Should use proper FPSCR access functions.  */
78
        qemu_put_be32(f, env->vfp.vec_len);
79
        qemu_put_be32(f, env->vfp.vec_stride);
80

    
81
        if (arm_feature(env, ARM_FEATURE_VFP3)) {
82
            for (i = 16;  i < 32; i++) {
83
                CPU_DoubleU u;
84
                u.d = env->vfp.regs[i];
85
                qemu_put_be32(f, u.l.upper);
86
                qemu_put_be32(f, u.l.lower);
87
            }
88
        }
89
    }
90

    
91
    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
92
        for (i = 0; i < 16; i++) {
93
            qemu_put_be64(f, env->iwmmxt.regs[i]);
94
        }
95
        for (i = 0; i < 16; i++) {
96
            qemu_put_be32(f, env->iwmmxt.cregs[i]);
97
        }
98
    }
99

    
100
    if (arm_feature(env, ARM_FEATURE_M)) {
101
        qemu_put_be32(f, env->v7m.other_sp);
102
        qemu_put_be32(f, env->v7m.vecbase);
103
        qemu_put_be32(f, env->v7m.basepri);
104
        qemu_put_be32(f, env->v7m.control);
105
        qemu_put_be32(f, env->v7m.current_sp);
106
        qemu_put_be32(f, env->v7m.exception);
107
    }
108

    
109
    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
110
        qemu_put_be32(f, env->teecr);
111
        qemu_put_be32(f, env->teehbr);
112
    }
113
}
114

    
115
int cpu_load(QEMUFile *f, void *opaque, int version_id)
116
{
117
    CPUARMState *env = (CPUARMState *)opaque;
118
    int i;
119
    uint32_t val;
120

    
121
    if (version_id != CPU_SAVE_VERSION)
122
        return -EINVAL;
123

    
124
    for (i = 0; i < 16; i++) {
125
        env->regs[i] = qemu_get_be32(f);
126
    }
127
    val = qemu_get_be32(f);
128
    /* Avoid mode switch when restoring CPSR.  */
129
    env->uncached_cpsr = val & CPSR_M;
130
    cpsr_write(env, val, 0xffffffff);
131
    env->spsr = qemu_get_be32(f);
132
    for (i = 0; i < 6; i++) {
133
        env->banked_spsr[i] = qemu_get_be32(f);
134
        env->banked_r13[i] = qemu_get_be32(f);
135
        env->banked_r14[i] = qemu_get_be32(f);
136
    }
137
    for (i = 0; i < 5; i++) {
138
        env->usr_regs[i] = qemu_get_be32(f);
139
        env->fiq_regs[i] = qemu_get_be32(f);
140
    }
141
    env->cp15.c0_cpuid = qemu_get_be32(f);
142
    env->cp15.c0_cachetype = qemu_get_be32(f);
143
    env->cp15.c0_cssel = qemu_get_be32(f);
144
    env->cp15.c1_sys = qemu_get_be32(f);
145
    env->cp15.c1_coproc = qemu_get_be32(f);
146
    env->cp15.c1_xscaleauxcr = qemu_get_be32(f);
147
    env->cp15.c1_scr = qemu_get_be32(f);
148
    env->cp15.c2_base0 = qemu_get_be32(f);
149
    env->cp15.c2_base1 = qemu_get_be32(f);
150
    env->cp15.c2_control = qemu_get_be32(f);
151
    env->cp15.c2_mask = qemu_get_be32(f);
152
    env->cp15.c2_base_mask = qemu_get_be32(f);
153
    env->cp15.c2_data = qemu_get_be32(f);
154
    env->cp15.c2_insn = qemu_get_be32(f);
155
    env->cp15.c3 = qemu_get_be32(f);
156
    env->cp15.c5_insn = qemu_get_be32(f);
157
    env->cp15.c5_data = qemu_get_be32(f);
158
    for (i = 0; i < 8; i++) {
159
        env->cp15.c6_region[i] = qemu_get_be32(f);
160
    }
161
    env->cp15.c6_insn = qemu_get_be32(f);
162
    env->cp15.c6_data = qemu_get_be32(f);
163
    env->cp15.c7_par = qemu_get_be32(f);
164
    env->cp15.c9_insn = qemu_get_be32(f);
165
    env->cp15.c9_data = qemu_get_be32(f);
166
    env->cp15.c9_pmcr = qemu_get_be32(f);
167
    env->cp15.c9_pmcnten = qemu_get_be32(f);
168
    env->cp15.c9_pmovsr = qemu_get_be32(f);
169
    env->cp15.c9_pmxevtyper = qemu_get_be32(f);
170
    env->cp15.c9_pmuserenr = qemu_get_be32(f);
171
    env->cp15.c9_pminten = qemu_get_be32(f);
172
    env->cp15.c13_fcse = qemu_get_be32(f);
173
    env->cp15.c13_context = qemu_get_be32(f);
174
    env->cp15.c13_tls1 = qemu_get_be32(f);
175
    env->cp15.c13_tls2 = qemu_get_be32(f);
176
    env->cp15.c13_tls3 = qemu_get_be32(f);
177
    env->cp15.c15_cpar = qemu_get_be32(f);
178
    env->cp15.c15_power_control = qemu_get_be32(f);
179
    env->cp15.c15_diagnostic = qemu_get_be32(f);
180
    env->cp15.c15_power_diagnostic = qemu_get_be32(f);
181

    
182
    env->features = qemu_get_be32(f);
183

    
184
    if (arm_feature(env, ARM_FEATURE_VFP)) {
185
        for (i = 0;  i < 16; i++) {
186
            CPU_DoubleU u;
187
            u.l.upper = qemu_get_be32(f);
188
            u.l.lower = qemu_get_be32(f);
189
            env->vfp.regs[i] = u.d;
190
        }
191
        for (i = 0; i < 16; i++) {
192
            env->vfp.xregs[i] = qemu_get_be32(f);
193
        }
194

    
195
        /* TODO: Should use proper FPSCR access functions.  */
196
        env->vfp.vec_len = qemu_get_be32(f);
197
        env->vfp.vec_stride = qemu_get_be32(f);
198

    
199
        if (arm_feature(env, ARM_FEATURE_VFP3)) {
200
            for (i = 16;  i < 32; i++) {
201
                CPU_DoubleU u;
202
                u.l.upper = qemu_get_be32(f);
203
                u.l.lower = qemu_get_be32(f);
204
                env->vfp.regs[i] = u.d;
205
            }
206
        }
207
    }
208

    
209
    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
210
        for (i = 0; i < 16; i++) {
211
            env->iwmmxt.regs[i] = qemu_get_be64(f);
212
        }
213
        for (i = 0; i < 16; i++) {
214
            env->iwmmxt.cregs[i] = qemu_get_be32(f);
215
        }
216
    }
217

    
218
    if (arm_feature(env, ARM_FEATURE_M)) {
219
        env->v7m.other_sp = qemu_get_be32(f);
220
        env->v7m.vecbase = qemu_get_be32(f);
221
        env->v7m.basepri = qemu_get_be32(f);
222
        env->v7m.control = qemu_get_be32(f);
223
        env->v7m.current_sp = qemu_get_be32(f);
224
        env->v7m.exception = qemu_get_be32(f);
225
    }
226

    
227
    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
228
        env->teecr = qemu_get_be32(f);
229
        env->teehbr = qemu_get_be32(f);
230
    }
231

    
232
    return 0;
233
}