Statistics
| Branch: | Revision:

root / target-arm / machine.c @ ffe47d33

History | View | Annotate | Download (6.6 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.c2_base0);
30
    qemu_put_be32(f, env->cp15.c2_base1);
31
    qemu_put_be32(f, env->cp15.c2_control);
32
    qemu_put_be32(f, env->cp15.c2_mask);
33
    qemu_put_be32(f, env->cp15.c2_base_mask);
34
    qemu_put_be32(f, env->cp15.c2_data);
35
    qemu_put_be32(f, env->cp15.c2_insn);
36
    qemu_put_be32(f, env->cp15.c3);
37
    qemu_put_be32(f, env->cp15.c5_insn);
38
    qemu_put_be32(f, env->cp15.c5_data);
39
    for (i = 0; i < 8; i++) {
40
        qemu_put_be32(f, env->cp15.c6_region[i]);
41
    }
42
    qemu_put_be32(f, env->cp15.c6_insn);
43
    qemu_put_be32(f, env->cp15.c6_data);
44
    qemu_put_be32(f, env->cp15.c9_insn);
45
    qemu_put_be32(f, env->cp15.c9_data);
46
    qemu_put_be32(f, env->cp15.c13_fcse);
47
    qemu_put_be32(f, env->cp15.c13_context);
48
    qemu_put_be32(f, env->cp15.c13_tls1);
49
    qemu_put_be32(f, env->cp15.c13_tls2);
50
    qemu_put_be32(f, env->cp15.c13_tls3);
51
    qemu_put_be32(f, env->cp15.c15_cpar);
52

    
53
    qemu_put_be32(f, env->features);
54

    
55
    if (arm_feature(env, ARM_FEATURE_VFP)) {
56
        for (i = 0;  i < 16; i++) {
57
            CPU_DoubleU u;
58
            u.d = env->vfp.regs[i];
59
            qemu_put_be32(f, u.l.upper);
60
            qemu_put_be32(f, u.l.lower);
61
        }
62
        for (i = 0; i < 16; i++) {
63
            qemu_put_be32(f, env->vfp.xregs[i]);
64
        }
65

    
66
        /* TODO: Should use proper FPSCR access functions.  */
67
        qemu_put_be32(f, env->vfp.vec_len);
68
        qemu_put_be32(f, env->vfp.vec_stride);
69

    
70
        if (arm_feature(env, ARM_FEATURE_VFP3)) {
71
            for (i = 16;  i < 32; i++) {
72
                CPU_DoubleU u;
73
                u.d = env->vfp.regs[i];
74
                qemu_put_be32(f, u.l.upper);
75
                qemu_put_be32(f, u.l.lower);
76
            }
77
        }
78
    }
79

    
80
    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
81
        for (i = 0; i < 16; i++) {
82
            qemu_put_be64(f, env->iwmmxt.regs[i]);
83
        }
84
        for (i = 0; i < 16; i++) {
85
            qemu_put_be32(f, env->iwmmxt.cregs[i]);
86
        }
87
    }
88

    
89
    if (arm_feature(env, ARM_FEATURE_M)) {
90
        qemu_put_be32(f, env->v7m.other_sp);
91
        qemu_put_be32(f, env->v7m.vecbase);
92
        qemu_put_be32(f, env->v7m.basepri);
93
        qemu_put_be32(f, env->v7m.control);
94
        qemu_put_be32(f, env->v7m.current_sp);
95
        qemu_put_be32(f, env->v7m.exception);
96
    }
97

    
98
    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
99
        qemu_put_be32(f, env->teecr);
100
        qemu_put_be32(f, env->teehbr);
101
    }
102
}
103

    
104
int cpu_load(QEMUFile *f, void *opaque, int version_id)
105
{
106
    CPUARMState *env = (CPUARMState *)opaque;
107
    int i;
108
    uint32_t val;
109

    
110
    if (version_id != CPU_SAVE_VERSION)
111
        return -EINVAL;
112

    
113
    for (i = 0; i < 16; i++) {
114
        env->regs[i] = qemu_get_be32(f);
115
    }
116
    val = qemu_get_be32(f);
117
    /* Avoid mode switch when restoring CPSR.  */
118
    env->uncached_cpsr = val & CPSR_M;
119
    cpsr_write(env, val, 0xffffffff);
120
    env->spsr = qemu_get_be32(f);
121
    for (i = 0; i < 6; i++) {
122
        env->banked_spsr[i] = qemu_get_be32(f);
123
        env->banked_r13[i] = qemu_get_be32(f);
124
        env->banked_r14[i] = qemu_get_be32(f);
125
    }
126
    for (i = 0; i < 5; i++) {
127
        env->usr_regs[i] = qemu_get_be32(f);
128
        env->fiq_regs[i] = qemu_get_be32(f);
129
    }
130
    env->cp15.c0_cpuid = qemu_get_be32(f);
131
    env->cp15.c0_cachetype = qemu_get_be32(f);
132
    env->cp15.c0_cssel = qemu_get_be32(f);
133
    env->cp15.c1_sys = qemu_get_be32(f);
134
    env->cp15.c1_coproc = qemu_get_be32(f);
135
    env->cp15.c1_xscaleauxcr = qemu_get_be32(f);
136
    env->cp15.c2_base0 = qemu_get_be32(f);
137
    env->cp15.c2_base1 = qemu_get_be32(f);
138
    env->cp15.c2_control = qemu_get_be32(f);
139
    env->cp15.c2_mask = qemu_get_be32(f);
140
    env->cp15.c2_base_mask = qemu_get_be32(f);
141
    env->cp15.c2_data = qemu_get_be32(f);
142
    env->cp15.c2_insn = qemu_get_be32(f);
143
    env->cp15.c3 = qemu_get_be32(f);
144
    env->cp15.c5_insn = qemu_get_be32(f);
145
    env->cp15.c5_data = qemu_get_be32(f);
146
    for (i = 0; i < 8; i++) {
147
        env->cp15.c6_region[i] = qemu_get_be32(f);
148
    }
149
    env->cp15.c6_insn = qemu_get_be32(f);
150
    env->cp15.c6_data = qemu_get_be32(f);
151
    env->cp15.c9_insn = qemu_get_be32(f);
152
    env->cp15.c9_data = qemu_get_be32(f);
153
    env->cp15.c13_fcse = qemu_get_be32(f);
154
    env->cp15.c13_context = qemu_get_be32(f);
155
    env->cp15.c13_tls1 = qemu_get_be32(f);
156
    env->cp15.c13_tls2 = qemu_get_be32(f);
157
    env->cp15.c13_tls3 = qemu_get_be32(f);
158
    env->cp15.c15_cpar = qemu_get_be32(f);
159

    
160
    env->features = qemu_get_be32(f);
161

    
162
    if (arm_feature(env, ARM_FEATURE_VFP)) {
163
        for (i = 0;  i < 16; i++) {
164
            CPU_DoubleU u;
165
            u.l.upper = qemu_get_be32(f);
166
            u.l.lower = qemu_get_be32(f);
167
            env->vfp.regs[i] = u.d;
168
        }
169
        for (i = 0; i < 16; i++) {
170
            env->vfp.xregs[i] = qemu_get_be32(f);
171
        }
172

    
173
        /* TODO: Should use proper FPSCR access functions.  */
174
        env->vfp.vec_len = qemu_get_be32(f);
175
        env->vfp.vec_stride = qemu_get_be32(f);
176

    
177
        if (arm_feature(env, ARM_FEATURE_VFP3)) {
178
            for (i = 0;  i < 16; i++) {
179
                CPU_DoubleU u;
180
                u.l.upper = qemu_get_be32(f);
181
                u.l.lower = qemu_get_be32(f);
182
                env->vfp.regs[i] = u.d;
183
            }
184
        }
185
    }
186

    
187
    if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
188
        for (i = 0; i < 16; i++) {
189
            env->iwmmxt.regs[i] = qemu_get_be64(f);
190
        }
191
        for (i = 0; i < 16; i++) {
192
            env->iwmmxt.cregs[i] = qemu_get_be32(f);
193
        }
194
    }
195

    
196
    if (arm_feature(env, ARM_FEATURE_M)) {
197
        env->v7m.other_sp = qemu_get_be32(f);
198
        env->v7m.vecbase = qemu_get_be32(f);
199
        env->v7m.basepri = qemu_get_be32(f);
200
        env->v7m.control = qemu_get_be32(f);
201
        env->v7m.current_sp = qemu_get_be32(f);
202
        env->v7m.exception = qemu_get_be32(f);
203
    }
204

    
205
    if (arm_feature(env, ARM_FEATURE_THUMB2EE)) {
206
        env->teecr = qemu_get_be32(f);
207
        env->teehbr = qemu_get_be32(f);
208
    }
209

    
210
    return 0;
211
}