root / qemu-common.h @ 00aa0040
History | View | Annotate | Download (10.5 kB)
1 |
/* Common header file that is included by all of qemu. */
|
---|---|
2 |
#ifndef QEMU_COMMON_H
|
3 |
#define QEMU_COMMON_H
|
4 |
|
5 |
#include "compiler.h" |
6 |
#include "config-host.h" |
7 |
|
8 |
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
9 |
|
10 |
typedef struct QEMUTimer QEMUTimer; |
11 |
typedef struct QEMUFile QEMUFile; |
12 |
typedef struct QEMUBH QEMUBH; |
13 |
typedef struct DeviceState DeviceState; |
14 |
|
15 |
struct Monitor;
|
16 |
typedef struct Monitor Monitor; |
17 |
|
18 |
/* we put basic includes here to avoid repeating them in device drivers */
|
19 |
#include <stdlib.h> |
20 |
#include <stdio.h> |
21 |
#include <stdarg.h> |
22 |
#include <stdbool.h> |
23 |
#include <string.h> |
24 |
#include <strings.h> |
25 |
#include <inttypes.h> |
26 |
#include <limits.h> |
27 |
#include <time.h> |
28 |
#include <ctype.h> |
29 |
#include <errno.h> |
30 |
#include <unistd.h> |
31 |
#include <fcntl.h> |
32 |
#include <sys/stat.h> |
33 |
#include <sys/time.h> |
34 |
#include <assert.h> |
35 |
#include <signal.h> |
36 |
|
37 |
#ifdef _WIN32
|
38 |
#include "qemu-os-win32.h" |
39 |
#endif
|
40 |
|
41 |
#ifdef CONFIG_POSIX
|
42 |
#include "qemu-os-posix.h" |
43 |
#endif
|
44 |
|
45 |
#ifndef O_LARGEFILE
|
46 |
#define O_LARGEFILE 0 |
47 |
#endif
|
48 |
#ifndef O_BINARY
|
49 |
#define O_BINARY 0 |
50 |
#endif
|
51 |
#ifndef MAP_ANONYMOUS
|
52 |
#define MAP_ANONYMOUS MAP_ANON
|
53 |
#endif
|
54 |
#ifndef ENOMEDIUM
|
55 |
#define ENOMEDIUM ENODEV
|
56 |
#endif
|
57 |
#if !defined(ENOTSUP)
|
58 |
#define ENOTSUP 4096 |
59 |
#endif
|
60 |
#ifndef TIME_MAX
|
61 |
#define TIME_MAX LONG_MAX
|
62 |
#endif
|
63 |
|
64 |
#ifndef CONFIG_IOVEC
|
65 |
#define CONFIG_IOVEC
|
66 |
struct iovec {
|
67 |
void *iov_base;
|
68 |
size_t iov_len; |
69 |
}; |
70 |
/*
|
71 |
* Use the same value as Linux for now.
|
72 |
*/
|
73 |
#define IOV_MAX 1024 |
74 |
#else
|
75 |
#include <sys/uio.h> |
76 |
#endif
|
77 |
|
78 |
typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) |
79 |
GCC_FMT_ATTR(2, 3); |
80 |
|
81 |
#ifdef _WIN32
|
82 |
#define fsync _commit
|
83 |
#define lseek _lseeki64
|
84 |
int qemu_ftruncate64(int, int64_t); |
85 |
#define ftruncate qemu_ftruncate64
|
86 |
|
87 |
static inline char *realpath(const char *path, char *resolved_path) |
88 |
{ |
89 |
_fullpath(resolved_path, path, _MAX_PATH); |
90 |
return resolved_path;
|
91 |
} |
92 |
#endif
|
93 |
|
94 |
/* FIXME: Remove NEED_CPU_H. */
|
95 |
#ifndef NEED_CPU_H
|
96 |
|
97 |
#include "osdep.h" |
98 |
#include "bswap.h" |
99 |
|
100 |
#else
|
101 |
|
102 |
#include "cpu.h" |
103 |
|
104 |
#endif /* !defined(NEED_CPU_H) */ |
105 |
|
106 |
/* main function, renamed */
|
107 |
#if defined(CONFIG_COCOA)
|
108 |
int qemu_main(int argc, char **argv, char **envp); |
109 |
#endif
|
110 |
|
111 |
/* bottom halves */
|
112 |
typedef void QEMUBHFunc(void *opaque); |
113 |
|
114 |
void async_context_push(void); |
115 |
void async_context_pop(void); |
116 |
int get_async_context_id(void); |
117 |
|
118 |
QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
|
119 |
void qemu_bh_schedule(QEMUBH *bh);
|
120 |
/* Bottom halfs that are scheduled from a bottom half handler are instantly
|
121 |
* invoked. This can create an infinite loop if a bottom half handler
|
122 |
* schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
|
123 |
* ensuring that the bottom half isn't executed until the next main loop
|
124 |
* iteration.
|
125 |
*/
|
126 |
void qemu_bh_schedule_idle(QEMUBH *bh);
|
127 |
void qemu_bh_cancel(QEMUBH *bh);
|
128 |
void qemu_bh_delete(QEMUBH *bh);
|
129 |
int qemu_bh_poll(void); |
130 |
void qemu_bh_update_timeout(int *timeout); |
131 |
|
132 |
void qemu_get_timedate(struct tm *tm, int offset); |
133 |
int qemu_timedate_diff(struct tm *tm); |
134 |
|
135 |
/* cutils.c */
|
136 |
void pstrcpy(char *buf, int buf_size, const char *str); |
137 |
char *pstrcat(char *buf, int buf_size, const char *s); |
138 |
int strstart(const char *str, const char *val, const char **ptr); |
139 |
int stristart(const char *str, const char *val, const char **ptr); |
140 |
int qemu_strnlen(const char *s, int max_len); |
141 |
time_t mktimegm(struct tm *tm);
|
142 |
int qemu_fls(int i); |
143 |
int qemu_fdatasync(int fd); |
144 |
int fcntl_setfl(int fd, int flag); |
145 |
|
146 |
/*
|
147 |
* strtosz() suffixes used to specify the default treatment of an
|
148 |
* argument passed to strtosz() without an explicit suffix.
|
149 |
* These should be defined using upper case characters in the range
|
150 |
* A-Z, as strtosz() will use qemu_toupper() on the given argument
|
151 |
* prior to comparison.
|
152 |
*/
|
153 |
#define STRTOSZ_DEFSUFFIX_TB 'T' |
154 |
#define STRTOSZ_DEFSUFFIX_GB 'G' |
155 |
#define STRTOSZ_DEFSUFFIX_MB 'M' |
156 |
#define STRTOSZ_DEFSUFFIX_KB 'K' |
157 |
#define STRTOSZ_DEFSUFFIX_B 'B' |
158 |
int64_t strtosz(const char *nptr, char **end); |
159 |
int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); |
160 |
|
161 |
/* path.c */
|
162 |
void init_paths(const char *prefix); |
163 |
const char *path(const char *pathname); |
164 |
|
165 |
#define qemu_isalnum(c) isalnum((unsigned char)(c)) |
166 |
#define qemu_isalpha(c) isalpha((unsigned char)(c)) |
167 |
#define qemu_iscntrl(c) iscntrl((unsigned char)(c)) |
168 |
#define qemu_isdigit(c) isdigit((unsigned char)(c)) |
169 |
#define qemu_isgraph(c) isgraph((unsigned char)(c)) |
170 |
#define qemu_islower(c) islower((unsigned char)(c)) |
171 |
#define qemu_isprint(c) isprint((unsigned char)(c)) |
172 |
#define qemu_ispunct(c) ispunct((unsigned char)(c)) |
173 |
#define qemu_isspace(c) isspace((unsigned char)(c)) |
174 |
#define qemu_isupper(c) isupper((unsigned char)(c)) |
175 |
#define qemu_isxdigit(c) isxdigit((unsigned char)(c)) |
176 |
#define qemu_tolower(c) tolower((unsigned char)(c)) |
177 |
#define qemu_toupper(c) toupper((unsigned char)(c)) |
178 |
#define qemu_isascii(c) isascii((unsigned char)(c)) |
179 |
#define qemu_toascii(c) toascii((unsigned char)(c)) |
180 |
|
181 |
void *qemu_oom_check(void *ptr); |
182 |
void *qemu_malloc(size_t size);
|
183 |
void *qemu_realloc(void *ptr, size_t size); |
184 |
void *qemu_mallocz(size_t size);
|
185 |
void qemu_free(void *ptr); |
186 |
char *qemu_strdup(const char *str); |
187 |
char *qemu_strndup(const char *str, size_t size); |
188 |
|
189 |
void qemu_mutex_lock_iothread(void); |
190 |
void qemu_mutex_unlock_iothread(void); |
191 |
|
192 |
int qemu_open(const char *name, int flags, ...); |
193 |
ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
194 |
QEMU_WARN_UNUSED_RESULT; |
195 |
void qemu_set_cloexec(int fd); |
196 |
|
197 |
#ifndef _WIN32
|
198 |
int qemu_add_child_watch(pid_t pid);
|
199 |
int qemu_eventfd(int pipefd[2]); |
200 |
int qemu_pipe(int pipefd[2]); |
201 |
#endif
|
202 |
|
203 |
#ifdef _WIN32
|
204 |
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags) |
205 |
#else
|
206 |
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
|
207 |
#endif
|
208 |
|
209 |
/* Error handling. */
|
210 |
|
211 |
void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
212 |
|
213 |
/* IO callbacks. */
|
214 |
typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); |
215 |
typedef int IOCanReadHandler(void *opaque); |
216 |
typedef void IOHandler(void *opaque); |
217 |
|
218 |
void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); |
219 |
void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int rc); |
220 |
|
221 |
struct ParallelIOArg {
|
222 |
void *buffer;
|
223 |
int count;
|
224 |
}; |
225 |
|
226 |
typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); |
227 |
|
228 |
/* A load of opaque types so that device init declarations don't have to
|
229 |
pull in all the real definitions. */
|
230 |
typedef struct NICInfo NICInfo; |
231 |
typedef struct HCIInfo HCIInfo; |
232 |
typedef struct AudioState AudioState; |
233 |
typedef struct BlockDriverState BlockDriverState; |
234 |
typedef struct DriveInfo DriveInfo; |
235 |
typedef struct DisplayState DisplayState; |
236 |
typedef struct DisplayChangeListener DisplayChangeListener; |
237 |
typedef struct DisplaySurface DisplaySurface; |
238 |
typedef struct DisplayAllocator DisplayAllocator; |
239 |
typedef struct PixelFormat PixelFormat; |
240 |
typedef struct TextConsole TextConsole; |
241 |
typedef TextConsole QEMUConsole;
|
242 |
typedef struct CharDriverState CharDriverState; |
243 |
typedef struct MACAddr MACAddr; |
244 |
typedef struct VLANState VLANState; |
245 |
typedef struct VLANClientState VLANClientState; |
246 |
typedef struct i2c_bus i2c_bus; |
247 |
typedef struct i2c_slave i2c_slave; |
248 |
typedef struct SMBusDevice SMBusDevice; |
249 |
typedef struct PCIHostState PCIHostState; |
250 |
typedef struct PCIExpressHost PCIExpressHost; |
251 |
typedef struct PCIBus PCIBus; |
252 |
typedef struct PCIDevice PCIDevice; |
253 |
typedef struct PCIExpressDevice PCIExpressDevice; |
254 |
typedef struct PCIBridge PCIBridge; |
255 |
typedef struct PCIEAERMsg PCIEAERMsg; |
256 |
typedef struct PCIEAERLog PCIEAERLog; |
257 |
typedef struct PCIEAERErr PCIEAERErr; |
258 |
typedef struct PCIEPort PCIEPort; |
259 |
typedef struct PCIESlot PCIESlot; |
260 |
typedef struct SerialState SerialState; |
261 |
typedef struct IRQState *qemu_irq; |
262 |
typedef struct PCMCIACardState PCMCIACardState; |
263 |
typedef struct MouseTransformInfo MouseTransformInfo; |
264 |
typedef struct uWireSlave uWireSlave; |
265 |
typedef struct I2SCodec I2SCodec; |
266 |
typedef struct SSIBus SSIBus; |
267 |
typedef struct EventNotifier EventNotifier; |
268 |
typedef struct VirtIODevice VirtIODevice; |
269 |
|
270 |
typedef uint64_t pcibus_t;
|
271 |
|
272 |
void cpu_exec_init_all(unsigned long tb_size); |
273 |
|
274 |
/* CPU save/load. */
|
275 |
void cpu_save(QEMUFile *f, void *opaque); |
276 |
int cpu_load(QEMUFile *f, void *opaque, int version_id); |
277 |
|
278 |
/* Force QEMU to stop what it's doing and service IO */
|
279 |
void qemu_service_io(void); |
280 |
|
281 |
/* Force QEMU to process pending events */
|
282 |
void qemu_notify_event(void); |
283 |
|
284 |
/* Unblock cpu */
|
285 |
void qemu_cpu_kick(void *env); |
286 |
void qemu_cpu_kick_self(void); |
287 |
int qemu_cpu_is_self(void *env); |
288 |
bool all_cpu_threads_idle(void); |
289 |
|
290 |
/* work queue */
|
291 |
struct qemu_work_item {
|
292 |
struct qemu_work_item *next;
|
293 |
void (*func)(void *data); |
294 |
void *data;
|
295 |
int done;
|
296 |
}; |
297 |
|
298 |
#ifdef CONFIG_USER_ONLY
|
299 |
#define qemu_init_vcpu(env) do { } while (0) |
300 |
#else
|
301 |
void qemu_init_vcpu(void *env); |
302 |
#endif
|
303 |
|
304 |
typedef struct QEMUIOVector { |
305 |
struct iovec *iov;
|
306 |
int niov;
|
307 |
int nalloc;
|
308 |
size_t size; |
309 |
} QEMUIOVector; |
310 |
|
311 |
void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); |
312 |
void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
313 |
void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
314 |
void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
|
315 |
size_t size); |
316 |
void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
|
317 |
void qemu_iovec_destroy(QEMUIOVector *qiov);
|
318 |
void qemu_iovec_reset(QEMUIOVector *qiov);
|
319 |
void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); |
320 |
void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); |
321 |
void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); |
322 |
void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count, |
323 |
size_t skip); |
324 |
|
325 |
void qemu_progress_init(int enabled, float min_skip); |
326 |
void qemu_progress_end(void); |
327 |
void qemu_progress_print(float delta, int max); |
328 |
|
329 |
#define QEMU_FILE_TYPE_BIOS 0 |
330 |
#define QEMU_FILE_TYPE_KEYMAP 1 |
331 |
char *qemu_find_file(int type, const char *name); |
332 |
|
333 |
/* OS specific functions */
|
334 |
void os_setup_early_signal_handling(void); |
335 |
char *os_find_datadir(const char *argv0); |
336 |
void os_parse_cmd_args(int index, const char *optarg); |
337 |
void os_pidfile_error(void); |
338 |
|
339 |
/* Convert a byte between binary and BCD. */
|
340 |
static inline uint8_t to_bcd(uint8_t val) |
341 |
{ |
342 |
return ((val / 10) << 4) | (val % 10); |
343 |
} |
344 |
|
345 |
static inline uint8_t from_bcd(uint8_t val) |
346 |
{ |
347 |
return ((val >> 4) * 10) + (val & 0x0f); |
348 |
} |
349 |
|
350 |
/* compute with 96 bit intermediate result: (a*b)/c */
|
351 |
static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
352 |
{ |
353 |
union {
|
354 |
uint64_t ll; |
355 |
struct {
|
356 |
#ifdef HOST_WORDS_BIGENDIAN
|
357 |
uint32_t high, low; |
358 |
#else
|
359 |
uint32_t low, high; |
360 |
#endif
|
361 |
} l; |
362 |
} u, res; |
363 |
uint64_t rl, rh; |
364 |
|
365 |
u.ll = a; |
366 |
rl = (uint64_t)u.l.low * (uint64_t)b; |
367 |
rh = (uint64_t)u.l.high * (uint64_t)b; |
368 |
rh += (rl >> 32);
|
369 |
res.l.high = rh / c; |
370 |
res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
371 |
return res.ll;
|
372 |
} |
373 |
|
374 |
#include "module.h" |
375 |
|
376 |
#endif
|