]>
Commit | Line | Data |
---|---|---|
1 | /* Common header file that is included by all of qemu. */ | |
2 | #ifndef QEMU_COMMON_H | |
3 | #define QEMU_COMMON_H | |
4 | ||
5 | #include "config-host.h" | |
6 | ||
7 | #define QEMU_NORETURN __attribute__ ((__noreturn__)) | |
8 | #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT | |
9 | #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) | |
10 | #else | |
11 | #define QEMU_WARN_UNUSED_RESULT | |
12 | #endif | |
13 | ||
14 | #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1]; | |
15 | ||
16 | typedef struct QEMUTimer QEMUTimer; | |
17 | typedef struct QEMUFile QEMUFile; | |
18 | typedef struct QEMUBH QEMUBH; | |
19 | ||
20 | /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that | |
21 | cannot include the following headers without conflicts. This condition has | |
22 | to be removed once dyngen is gone. */ | |
23 | #ifndef __DYNGEN_EXEC_H__ | |
24 | ||
25 | /* we put basic includes here to avoid repeating them in device drivers */ | |
26 | #include <stdlib.h> | |
27 | #include <stdio.h> | |
28 | #include <stdarg.h> | |
29 | #include <string.h> | |
30 | #include <strings.h> | |
31 | #include <inttypes.h> | |
32 | #include <limits.h> | |
33 | #include <time.h> | |
34 | #include <ctype.h> | |
35 | #include <errno.h> | |
36 | #include <unistd.h> | |
37 | #include <fcntl.h> | |
38 | #include <sys/stat.h> | |
39 | #include <assert.h> | |
40 | ||
41 | #ifndef O_LARGEFILE | |
42 | #define O_LARGEFILE 0 | |
43 | #endif | |
44 | #ifndef O_BINARY | |
45 | #define O_BINARY 0 | |
46 | #endif | |
47 | #ifndef MAP_ANONYMOUS | |
48 | #define MAP_ANONYMOUS MAP_ANON | |
49 | #endif | |
50 | #ifndef ENOMEDIUM | |
51 | #define ENOMEDIUM ENODEV | |
52 | #endif | |
53 | #if !defined(ENOTSUP) | |
54 | #define ENOTSUP 4096 | |
55 | #endif | |
56 | ||
57 | #ifndef CONFIG_IOVEC | |
58 | #define CONFIG_IOVEC | |
59 | struct iovec { | |
60 | void *iov_base; | |
61 | size_t iov_len; | |
62 | }; | |
63 | /* | |
64 | * Use the same value as Linux for now. | |
65 | */ | |
66 | #define IOV_MAX 1024 | |
67 | #else | |
68 | #include <sys/uio.h> | |
69 | #endif | |
70 | ||
71 | #ifdef _WIN32 | |
72 | #define fsync _commit | |
73 | #define lseek _lseeki64 | |
74 | extern int qemu_ftruncate64(int, int64_t); | |
75 | #define ftruncate qemu_ftruncate64 | |
76 | ||
77 | static inline char *realpath(const char *path, char *resolved_path) | |
78 | { | |
79 | _fullpath(resolved_path, path, _MAX_PATH); | |
80 | return resolved_path; | |
81 | } | |
82 | ||
83 | #define PRId64 "I64d" | |
84 | #define PRIx64 "I64x" | |
85 | #define PRIu64 "I64u" | |
86 | #define PRIo64 "I64o" | |
87 | #endif | |
88 | ||
89 | /* FIXME: Remove NEED_CPU_H. */ | |
90 | #ifndef NEED_CPU_H | |
91 | ||
92 | #include <setjmp.h> | |
93 | #include "osdep.h" | |
94 | #include "bswap.h" | |
95 | ||
96 | #else | |
97 | ||
98 | #include "cpu.h" | |
99 | ||
100 | #endif /* !defined(NEED_CPU_H) */ | |
101 | ||
102 | /* bottom halves */ | |
103 | typedef void QEMUBHFunc(void *opaque); | |
104 | ||
105 | void async_context_push(void); | |
106 | void async_context_pop(void); | |
107 | int get_async_context_id(void); | |
108 | ||
109 | QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); | |
110 | void qemu_bh_schedule(QEMUBH *bh); | |
111 | /* Bottom halfs that are scheduled from a bottom half handler are instantly | |
112 | * invoked. This can create an infinite loop if a bottom half handler | |
113 | * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by | |
114 | * ensuring that the bottom half isn't executed until the next main loop | |
115 | * iteration. | |
116 | */ | |
117 | void qemu_bh_schedule_idle(QEMUBH *bh); | |
118 | void qemu_bh_cancel(QEMUBH *bh); | |
119 | void qemu_bh_delete(QEMUBH *bh); | |
120 | int qemu_bh_poll(void); | |
121 | void qemu_bh_update_timeout(int *timeout); | |
122 | ||
123 | uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c); | |
124 | ||
125 | void qemu_get_timedate(struct tm *tm, int offset); | |
126 | int qemu_timedate_diff(struct tm *tm); | |
127 | ||
128 | /* cutils.c */ | |
129 | void pstrcpy(char *buf, int buf_size, const char *str); | |
130 | char *pstrcat(char *buf, int buf_size, const char *s); | |
131 | int strstart(const char *str, const char *val, const char **ptr); | |
132 | int stristart(const char *str, const char *val, const char **ptr); | |
133 | int qemu_strnlen(const char *s, int max_len); | |
134 | time_t mktimegm(struct tm *tm); | |
135 | int qemu_fls(int i); | |
136 | int qemu_fdatasync(int fd); | |
137 | int fcntl_setfl(int fd, int flag); | |
138 | ||
139 | /* path.c */ | |
140 | void init_paths(const char *prefix); | |
141 | const char *path(const char *pathname); | |
142 | ||
143 | #define qemu_isalnum(c) isalnum((unsigned char)(c)) | |
144 | #define qemu_isalpha(c) isalpha((unsigned char)(c)) | |
145 | #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) | |
146 | #define qemu_isdigit(c) isdigit((unsigned char)(c)) | |
147 | #define qemu_isgraph(c) isgraph((unsigned char)(c)) | |
148 | #define qemu_islower(c) islower((unsigned char)(c)) | |
149 | #define qemu_isprint(c) isprint((unsigned char)(c)) | |
150 | #define qemu_ispunct(c) ispunct((unsigned char)(c)) | |
151 | #define qemu_isspace(c) isspace((unsigned char)(c)) | |
152 | #define qemu_isupper(c) isupper((unsigned char)(c)) | |
153 | #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) | |
154 | #define qemu_tolower(c) tolower((unsigned char)(c)) | |
155 | #define qemu_toupper(c) toupper((unsigned char)(c)) | |
156 | #define qemu_isascii(c) isascii((unsigned char)(c)) | |
157 | #define qemu_toascii(c) toascii((unsigned char)(c)) | |
158 | ||
159 | void *qemu_malloc(size_t size); | |
160 | void *qemu_realloc(void *ptr, size_t size); | |
161 | void *qemu_mallocz(size_t size); | |
162 | void qemu_free(void *ptr); | |
163 | char *qemu_strdup(const char *str); | |
164 | char *qemu_strndup(const char *str, size_t size); | |
165 | ||
166 | void *get_mmap_addr(unsigned long size); | |
167 | ||
168 | ||
169 | void qemu_mutex_lock_iothread(void); | |
170 | void qemu_mutex_unlock_iothread(void); | |
171 | ||
172 | int qemu_open(const char *name, int flags, ...); | |
173 | ssize_t qemu_write_full(int fd, const void *buf, size_t count) | |
174 | QEMU_WARN_UNUSED_RESULT; | |
175 | void qemu_set_cloexec(int fd); | |
176 | ||
177 | #ifndef _WIN32 | |
178 | int qemu_eventfd(int pipefd[2]); | |
179 | int qemu_pipe(int pipefd[2]); | |
180 | #endif | |
181 | ||
182 | /* Error handling. */ | |
183 | ||
184 | void QEMU_NORETURN hw_error(const char *fmt, ...) | |
185 | __attribute__ ((__format__ (__printf__, 1, 2))); | |
186 | ||
187 | /* IO callbacks. */ | |
188 | typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); | |
189 | typedef int IOCanReadHandler(void *opaque); | |
190 | typedef void IOHandler(void *opaque); | |
191 | ||
192 | struct ParallelIOArg { | |
193 | void *buffer; | |
194 | int count; | |
195 | }; | |
196 | ||
197 | typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); | |
198 | ||
199 | /* A load of opaque types so that device init declarations don't have to | |
200 | pull in all the real definitions. */ | |
201 | typedef struct NICInfo NICInfo; | |
202 | typedef struct HCIInfo HCIInfo; | |
203 | typedef struct AudioState AudioState; | |
204 | typedef struct BlockDriverState BlockDriverState; | |
205 | typedef struct DisplayState DisplayState; | |
206 | typedef struct DisplayChangeListener DisplayChangeListener; | |
207 | typedef struct DisplaySurface DisplaySurface; | |
208 | typedef struct DisplayAllocator DisplayAllocator; | |
209 | typedef struct PixelFormat PixelFormat; | |
210 | typedef struct TextConsole TextConsole; | |
211 | typedef TextConsole QEMUConsole; | |
212 | typedef struct CharDriverState CharDriverState; | |
213 | typedef struct MACAddr MACAddr; | |
214 | typedef struct VLANState VLANState; | |
215 | typedef struct VLANClientState VLANClientState; | |
216 | typedef struct i2c_bus i2c_bus; | |
217 | typedef struct i2c_slave i2c_slave; | |
218 | typedef struct SMBusDevice SMBusDevice; | |
219 | typedef struct PCIHostState PCIHostState; | |
220 | typedef struct PCIExpressHost PCIExpressHost; | |
221 | typedef struct PCIBus PCIBus; | |
222 | typedef struct PCIDevice PCIDevice; | |
223 | typedef struct SerialState SerialState; | |
224 | typedef struct IRQState *qemu_irq; | |
225 | typedef struct PCMCIACardState PCMCIACardState; | |
226 | typedef struct MouseTransformInfo MouseTransformInfo; | |
227 | typedef struct uWireSlave uWireSlave; | |
228 | typedef struct I2SCodec I2SCodec; | |
229 | typedef struct DeviceState DeviceState; | |
230 | typedef struct SSIBus SSIBus; | |
231 | ||
232 | typedef uint64_t pcibus_t; | |
233 | ||
234 | void cpu_exec_init_all(unsigned long tb_size); | |
235 | ||
236 | /* CPU save/load. */ | |
237 | void cpu_save(QEMUFile *f, void *opaque); | |
238 | int cpu_load(QEMUFile *f, void *opaque, int version_id); | |
239 | ||
240 | /* Force QEMU to stop what it's doing and service IO */ | |
241 | void qemu_service_io(void); | |
242 | ||
243 | /* Force QEMU to process pending events */ | |
244 | void qemu_notify_event(void); | |
245 | ||
246 | /* Unblock cpu */ | |
247 | void qemu_cpu_kick(void *env); | |
248 | int qemu_cpu_self(void *env); | |
249 | ||
250 | #ifdef CONFIG_USER_ONLY | |
251 | #define qemu_init_vcpu(env) do { } while (0) | |
252 | #else | |
253 | void qemu_init_vcpu(void *env); | |
254 | #endif | |
255 | ||
256 | typedef struct QEMUIOVector { | |
257 | struct iovec *iov; | |
258 | int niov; | |
259 | int nalloc; | |
260 | size_t size; | |
261 | } QEMUIOVector; | |
262 | ||
263 | void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); | |
264 | void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); | |
265 | void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); | |
266 | void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); | |
267 | void qemu_iovec_destroy(QEMUIOVector *qiov); | |
268 | void qemu_iovec_reset(QEMUIOVector *qiov); | |
269 | void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); | |
270 | void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); | |
271 | ||
272 | struct Monitor; | |
273 | typedef struct Monitor Monitor; | |
274 | ||
275 | /* Convert a byte between binary and BCD. */ | |
276 | static inline uint8_t to_bcd(uint8_t val) | |
277 | { | |
278 | return ((val / 10) << 4) | (val % 10); | |
279 | } | |
280 | ||
281 | static inline uint8_t from_bcd(uint8_t val) | |
282 | { | |
283 | return ((val >> 4) * 10) + (val & 0x0f); | |
284 | } | |
285 | ||
286 | #include "module.h" | |
287 | ||
288 | #endif /* dyngen-exec.h hack */ | |
289 | ||
290 | #endif |