xref: /qemu/target/alpha/machine.c (revision 33848cee)
1 #include "qemu/osdep.h"
2 #include "qemu-common.h"
3 #include "cpu.h"
4 #include "hw/hw.h"
5 #include "hw/boards.h"
6 #include "migration/cpu.h"
7 
8 static int get_fpcr(QEMUFile *f, void *opaque, size_t size)
9 {
10     CPUAlphaState *env = opaque;
11     cpu_alpha_store_fpcr(env, qemu_get_be64(f));
12     return 0;
13 }
14 
15 static void put_fpcr(QEMUFile *f, void *opaque, size_t size)
16 {
17     CPUAlphaState *env = opaque;
18     qemu_put_be64(f, cpu_alpha_load_fpcr(env));
19 }
20 
21 static const VMStateInfo vmstate_fpcr = {
22     .name = "fpcr",
23     .get = get_fpcr,
24     .put = put_fpcr,
25 };
26 
27 static VMStateField vmstate_env_fields[] = {
28     VMSTATE_UINTTL_ARRAY(ir, CPUAlphaState, 31),
29     VMSTATE_UINTTL_ARRAY(fir, CPUAlphaState, 31),
30     /* Save the architecture value of the fpcr, not the internally
31        expanded version.  Since this architecture value does not
32        exist in memory to be stored, this requires a but of hoop
33        jumping.  We want OFFSET=0 so that we effectively pass ENV
34        to the helper functions, and we need to fill in the name by
35        hand since there's no field of that name.  */
36     {
37         .name = "fpcr",
38         .version_id = 0,
39         .size = sizeof(uint64_t),
40         .info = &vmstate_fpcr,
41         .flags = VMS_SINGLE,
42         .offset = 0
43     },
44     VMSTATE_UINTTL(pc, CPUAlphaState),
45     VMSTATE_UINTTL(unique, CPUAlphaState),
46     VMSTATE_UINTTL(lock_addr, CPUAlphaState),
47     VMSTATE_UINTTL(lock_value, CPUAlphaState),
48 
49     VMSTATE_UINT8(ps, CPUAlphaState),
50     VMSTATE_UINT8(intr_flag, CPUAlphaState),
51     VMSTATE_UINT8(pal_mode, CPUAlphaState),
52     VMSTATE_UINT8(fen, CPUAlphaState),
53 
54     VMSTATE_UINT32(pcc_ofs, CPUAlphaState),
55 
56     VMSTATE_UINTTL(trap_arg0, CPUAlphaState),
57     VMSTATE_UINTTL(trap_arg1, CPUAlphaState),
58     VMSTATE_UINTTL(trap_arg2, CPUAlphaState),
59 
60     VMSTATE_UINTTL(exc_addr, CPUAlphaState),
61     VMSTATE_UINTTL(palbr, CPUAlphaState),
62     VMSTATE_UINTTL(ptbr, CPUAlphaState),
63     VMSTATE_UINTTL(vptptr, CPUAlphaState),
64     VMSTATE_UINTTL(sysval, CPUAlphaState),
65     VMSTATE_UINTTL(usp, CPUAlphaState),
66 
67     VMSTATE_UINTTL_ARRAY(shadow, CPUAlphaState, 8),
68     VMSTATE_UINTTL_ARRAY(scratch, CPUAlphaState, 24),
69 
70     VMSTATE_END_OF_LIST()
71 };
72 
73 static const VMStateDescription vmstate_env = {
74     .name = "env",
75     .version_id = 2,
76     .minimum_version_id = 2,
77     .fields = vmstate_env_fields,
78 };
79 
80 static VMStateField vmstate_cpu_fields[] = {
81     VMSTATE_CPU(),
82     VMSTATE_STRUCT(env, AlphaCPU, 1, vmstate_env, CPUAlphaState),
83     VMSTATE_END_OF_LIST()
84 };
85 
86 const VMStateDescription vmstate_alpha_cpu = {
87     .name = "cpu",
88     .version_id = 1,
89     .minimum_version_id = 1,
90     .fields = vmstate_cpu_fields,
91 };
92