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21#ifndef QEMU_APIC_INTERNAL_H
22#define QEMU_APIC_INTERNAL_H
23
24#include "cpu.h"
25#include "exec/memory.h"
26#include "qemu/timer.h"
27
28
29#define APIC_LVT_TIMER 0
30#define APIC_LVT_THERMAL 1
31#define APIC_LVT_PERFORM 2
32#define APIC_LVT_LINT0 3
33#define APIC_LVT_LINT1 4
34#define APIC_LVT_ERROR 5
35#define APIC_LVT_NB 6
36
37
38#define APIC_DM_FIXED 0
39#define APIC_DM_LOWPRI 1
40#define APIC_DM_SMI 2
41#define APIC_DM_NMI 4
42#define APIC_DM_INIT 5
43#define APIC_DM_SIPI 6
44#define APIC_DM_EXTINT 7
45
46
47#define APIC_DESTMODE_FLAT 0xf
48#define APIC_DESTMODE_CLUSTER 1
49
50#define APIC_TRIGGER_EDGE 0
51#define APIC_TRIGGER_LEVEL 1
52
53#define APIC_VECTOR_MASK 0xff
54#define APIC_DCR_MASK 0xf
55
56#define APIC_LVT_TIMER_SHIFT 17
57#define APIC_LVT_MASKED_SHIFT 16
58#define APIC_LVT_LEVEL_TRIGGER_SHIFT 15
59#define APIC_LVT_REMOTE_IRR_SHIFT 14
60#define APIC_LVT_INT_POLARITY_SHIFT 13
61#define APIC_LVT_DELIV_STS_SHIFT 12
62#define APIC_LVT_DELIV_MOD_SHIFT 8
63
64#define APIC_LVT_TIMER_TSCDEADLINE (2 << APIC_LVT_TIMER_SHIFT)
65#define APIC_LVT_TIMER_PERIODIC (1 << APIC_LVT_TIMER_SHIFT)
66#define APIC_LVT_MASKED (1 << APIC_LVT_MASKED_SHIFT)
67#define APIC_LVT_LEVEL_TRIGGER (1 << APIC_LVT_LEVEL_TRIGGER_SHIFT)
68#define APIC_LVT_REMOTE_IRR (1 << APIC_LVT_REMOTE_IRR_SHIFT)
69#define APIC_LVT_INT_POLARITY (1 << APIC_LVT_INT_POLARITY_SHIFT)
70#define APIC_LVT_DELIV_STS (1 << APIC_LVT_DELIV_STS_SHIFT)
71#define APIC_LVT_DELIV_MOD (7 << APIC_LVT_DELIV_MOD_SHIFT)
72
73#define APIC_ESR_ILL_ADDRESS_SHIFT 7
74#define APIC_ESR_RECV_ILL_VECT_SHIFT 6
75#define APIC_ESR_SEND_ILL_VECT_SHIFT 5
76#define APIC_ESR_RECV_ACCEPT_SHIFT 3
77#define APIC_ESR_SEND_ACCEPT_SHIFT 2
78#define APIC_ESR_RECV_CHECK_SUM_SHIFT 1
79
80#define APIC_ESR_ILLEGAL_ADDRESS (1 << APIC_ESR_ILL_ADDRESS_SHIFT)
81#define APIC_ESR_RECV_ILLEGAL_VECT (1 << APIC_ESR_RECV_ILL_VECT_SHIFT)
82#define APIC_ESR_SEND_ILLEGAL_VECT (1 << APIC_ESR_SEND_ILL_VECT_SHIFT)
83#define APIC_ESR_RECV_ACCEPT (1 << APIC_ESR_RECV_ACCEPT_SHIFT)
84#define APIC_ESR_SEND_ACCEPT (1 << APIC_ESR_SEND_ACCEPT_SHIFT)
85#define APIC_ESR_RECV_CHECK_SUM (1 << APIC_ESR_RECV_CHECK_SUM_SHIFT)
86#define APIC_ESR_SEND_CHECK_SUM 1
87
88#define APIC_ICR_DEST_SHIFT 24
89#define APIC_ICR_DEST_SHORT_SHIFT 18
90#define APIC_ICR_TRIGGER_MOD_SHIFT 15
91#define APIC_ICR_LEVEL_SHIFT 14
92#define APIC_ICR_DELIV_STS_SHIFT 12
93#define APIC_ICR_DEST_MOD_SHIFT 11
94#define APIC_ICR_DELIV_MOD_SHIFT 8
95
96#define APIC_ICR_DEST_SHORT (3 << APIC_ICR_DEST_SHORT_SHIFT)
97#define APIC_ICR_TRIGGER_MOD (1 << APIC_ICR_TRIGGER_MOD_SHIFT)
98#define APIC_ICR_LEVEL (1 << APIC_ICR_LEVEL_SHIFT)
99#define APIC_ICR_DELIV_STS (1 << APIC_ICR_DELIV_STS_SHIFT)
100#define APIC_ICR_DEST_MOD (1 << APIC_ICR_DEST_MOD_SHIFT)
101#define APIC_ICR_DELIV_MOD (7 << APIC_ICR_DELIV_MOD_SHIFT)
102
103#define APIC_PR_CLASS_SHIFT 4
104#define APIC_PR_SUB_CLASS 0xf
105
106#define APIC_LOGDEST_XAPIC_SHIFT 4
107#define APIC_LOGDEST_XAPIC_ID 0xf
108
109#define APIC_LOGDEST_X2APIC_SHIFT 16
110#define APIC_LOGDEST_X2APIC_ID 0xffff
111
112#define APIC_SPURIO_FOCUS_SHIFT 9
113#define APIC_SPURIO_ENABLED_SHIFT 8
114
115#define APIC_SPURIO_FOCUS (1 << APIC_SPURIO_FOCUS_SHIFT)
116#define APIC_SPURIO_ENABLED (1 << APIC_SPURIO_ENABLED_SHIFT)
117
118#define APIC_SV_DIRECTED_IO (1 << 12)
119#define APIC_SV_ENABLE (1 << 8)
120
121#define VAPIC_ENABLE_BIT 0
122#define VAPIC_ENABLE_MASK (1 << VAPIC_ENABLE_BIT)
123
124typedef struct APICCommonState APICCommonState;
125
126#define TYPE_APIC_COMMON "apic-common"
127#define APIC_COMMON(obj) \
128 OBJECT_CHECK(APICCommonState, (obj), TYPE_APIC_COMMON)
129#define APIC_COMMON_CLASS(klass) \
130 OBJECT_CLASS_CHECK(APICCommonClass, (klass), TYPE_APIC_COMMON)
131#define APIC_COMMON_GET_CLASS(obj) \
132 OBJECT_GET_CLASS(APICCommonClass, (obj), TYPE_APIC_COMMON)
133
134typedef struct APICCommonClass
135{
136 DeviceClass parent_class;
137
138 DeviceRealize realize;
139 DeviceUnrealize unrealize;
140 void (*set_base)(APICCommonState *s, uint64_t val);
141 void (*set_tpr)(APICCommonState *s, uint8_t val);
142 uint8_t (*get_tpr)(APICCommonState *s);
143 void (*enable_tpr_reporting)(APICCommonState *s, bool enable);
144 void (*vapic_base_update)(APICCommonState *s);
145 void (*external_nmi)(APICCommonState *s);
146 void (*pre_save)(APICCommonState *s);
147 void (*post_load)(APICCommonState *s);
148 void (*reset)(APICCommonState *s);
149
150
151
152 void (*send_msi)(MSIMessage *msi);
153} APICCommonClass;
154
155struct APICCommonState {
156
157 DeviceState parent_obj;
158
159
160 MemoryRegion io_memory;
161 X86CPU *cpu;
162 uint32_t apicbase;
163 uint8_t id;
164 uint32_t initial_apic_id;
165 uint8_t version;
166 uint8_t arb_id;
167 uint8_t tpr;
168 uint32_t spurious_vec;
169 uint8_t log_dest;
170 uint8_t dest_mode;
171 uint32_t isr[8];
172 uint32_t tmr[8];
173 uint32_t irr[8];
174 uint32_t lvt[APIC_LVT_NB];
175 uint32_t esr;
176 uint32_t icr[2];
177
178 uint32_t divide_conf;
179 int count_shift;
180 uint32_t initial_count;
181 int64_t initial_count_load_time;
182 int64_t next_time;
183 QEMUTimer *timer;
184 int64_t timer_expiry;
185 int sipi_vector;
186 int wait_for_sipi;
187
188 uint32_t vapic_control;
189 DeviceState *vapic;
190 hwaddr vapic_paddr;
191 bool legacy_instance_id;
192};
193
194typedef struct VAPICState {
195 uint8_t tpr;
196 uint8_t isr;
197 uint8_t zero;
198 uint8_t irr;
199 uint8_t enabled;
200} QEMU_PACKED VAPICState;
201
202extern bool apic_report_tpr_access;
203
204void apic_report_irq_delivered(int delivered);
205bool apic_next_timer(APICCommonState *s, int64_t current_time);
206void apic_enable_tpr_access_reporting(DeviceState *d, bool enable);
207void apic_enable_vapic(DeviceState *d, hwaddr paddr);
208
209void vapic_report_tpr_access(DeviceState *dev, CPUState *cpu, target_ulong ip,
210 TPRAccess access);
211
212int apic_get_ppr(APICCommonState *s);
213
214static inline void apic_set_bit(uint32_t *tab, int index)
215{
216 int i, mask;
217 i = index >> 5;
218 mask = 1 << (index & 0x1f);
219 tab[i] |= mask;
220}
221
222static inline int apic_get_bit(uint32_t *tab, int index)
223{
224 int i, mask;
225 i = index >> 5;
226 mask = 1 << (index & 0x1f);
227 return !!(tab[i] & mask);
228}
229
230APICCommonClass *apic_get_class(void);
231
232#endif
233