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10#include "qemu/osdep.h"
11#include "cpu.h"
12#include "host-cpu.h"
13#include "qapi/error.h"
14#include "sysemu/sysemu.h"
15#include "hw/boards.h"
16#include "sysemu/hvf.h"
17#include "hw/core/accel-cpu.h"
18
19static void hvf_cpu_max_instance_init(X86CPU *cpu)
20{
21 CPUX86State *env = &cpu->env;
22
23 host_cpu_max_instance_init(cpu);
24
25 env->cpuid_min_level =
26 hvf_get_supported_cpuid(0x0, 0, R_EAX);
27 env->cpuid_min_xlevel =
28 hvf_get_supported_cpuid(0x80000000, 0, R_EAX);
29 env->cpuid_min_xlevel2 =
30 hvf_get_supported_cpuid(0xC0000000, 0, R_EAX);
31}
32
33static void hvf_cpu_xsave_init(void)
34{
35 static bool first = true;
36 int i;
37
38 if (!first) {
39 return;
40 }
41 first = false;
42
43
44 x86_ext_save_areas[XSTATE_FP_BIT].offset = 0;
45 x86_ext_save_areas[XSTATE_SSE_BIT].offset = 0;
46
47 for (i = XSTATE_SSE_BIT + 1; i < XSAVE_STATE_AREA_COUNT; i++) {
48 ExtSaveArea *esa = &x86_ext_save_areas[i];
49
50 if (esa->size) {
51 int sz = hvf_get_supported_cpuid(0xd, i, R_EAX);
52 if (sz != 0) {
53 assert(esa->size == sz);
54 esa->offset = hvf_get_supported_cpuid(0xd, i, R_EBX);
55 }
56 }
57 }
58}
59
60static void hvf_cpu_instance_init(CPUState *cs)
61{
62 X86CPU *cpu = X86_CPU(cs);
63
64 host_cpu_instance_init(cpu);
65
66
67
68
69 if (cpu->max_features) {
70 hvf_cpu_max_instance_init(cpu);
71 }
72
73 hvf_cpu_xsave_init();
74}
75
76static void hvf_cpu_accel_class_init(ObjectClass *oc, void *data)
77{
78 AccelCPUClass *acc = ACCEL_CPU_CLASS(oc);
79
80 acc->cpu_realizefn = host_cpu_realizefn;
81 acc->cpu_instance_init = hvf_cpu_instance_init;
82}
83
84static const TypeInfo hvf_cpu_accel_type_info = {
85 .name = ACCEL_CPU_NAME("hvf"),
86
87 .parent = TYPE_ACCEL_CPU,
88 .class_init = hvf_cpu_accel_class_init,
89 .abstract = true,
90};
91
92static void hvf_cpu_accel_register_types(void)
93{
94 type_register_static(&hvf_cpu_accel_type_info);
95}
96
97type_init(hvf_cpu_accel_register_types);
98