xref: /openbmc/qemu/target/i386/cpu-internal.h (revision 7d87775f)
1 /*
2  * i386 CPU internal definitions to be shared between cpu.c and cpu-sysemu.c
3  *
4  *  Copyright (c) 2003 Fabrice Bellard
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, see <http://www.gnu.org/licenses/>.
18  */
19 
20 #ifndef I386_CPU_INTERNAL_H
21 #define I386_CPU_INTERNAL_H
22 
23 typedef enum FeatureWordType {
24    CPUID_FEATURE_WORD,
25    MSR_FEATURE_WORD,
26 } FeatureWordType;
27 
28 typedef struct FeatureWordInfo {
29     FeatureWordType type;
30     /* feature flags names are taken from "Intel Processor Identification and
31      * the CPUID Instruction" and AMD's "CPUID Specification".
32      * In cases of disagreement between feature naming conventions,
33      * aliases may be added.
34      */
35     const char *feat_names[64];
36     union {
37         /* If type==CPUID_FEATURE_WORD */
38         struct {
39             uint32_t eax;   /* Input EAX for CPUID */
40             bool needs_ecx; /* CPUID instruction uses ECX as input */
41             uint32_t ecx;   /* Input ECX value for CPUID */
42             int reg;        /* output register (R_* constant) */
43         } cpuid;
44         /* If type==MSR_FEATURE_WORD */
45         struct {
46             uint32_t index;
47         } msr;
48     };
49     uint64_t tcg_features; /* Feature flags supported by TCG */
50     uint64_t unmigratable_flags; /* Feature flags known to be unmigratable */
51     uint64_t migratable_flags; /* Feature flags known to be migratable */
52     /* Features that shouldn't be auto-enabled by "-cpu host" */
53     uint64_t no_autoenable_flags;
54 } FeatureWordInfo;
55 
56 extern FeatureWordInfo feature_word_info[];
57 
58 void x86_cpu_expand_features(X86CPU *cpu, Error **errp);
59 
60 #ifndef CONFIG_USER_ONLY
61 GuestPanicInformation *x86_cpu_get_crash_info(CPUState *cs);
62 void x86_cpu_get_crash_info_qom(Object *obj, Visitor *v,
63                                 const char *name, void *opaque, Error **errp);
64 
65 void x86_cpu_apic_create(X86CPU *cpu, Error **errp);
66 void x86_cpu_apic_realize(X86CPU *cpu, Error **errp);
67 void x86_cpu_machine_reset_cb(void *opaque);
68 #endif /* !CONFIG_USER_ONLY */
69 
70 #endif /* I386_CPU_INTERNAL_H */
71