1 /* Common header file that is included by all of qemu. */
5 #include "config-host.h"
7 #define QEMU_NORETURN __attribute__ ((__noreturn__))
8 #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
9 #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
11 #define QEMU_WARN_UNUSED_RESULT
14 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
15 cannot include the following headers without conflicts. This condition has
16 to be removed once dyngen is gone. */
17 #ifndef __DYNGEN_EXEC_H__
19 /* we put basic includes here to avoid repeating them in device drivers */
42 #define MAP_ANONYMOUS MAP_ANON
45 #define ENOMEDIUM ENODEV
63 #define lseek _lseeki64
64 extern int qemu_ftruncate64(int, int64_t);
65 #define ftruncate qemu_ftruncate64
67 static inline char *realpath(const char *path, char *resolved_path)
69 _fullpath(resolved_path, path, _MAX_PATH);
79 /* FIXME: Remove NEED_CPU_H. */
90 #endif /* !defined(NEED_CPU_H) */
93 typedef struct QEMUBH QEMUBH;
95 typedef void QEMUBHFunc(void *opaque);
97 void async_context_push(void);
98 void async_context_pop(void);
99 int get_async_context_id(void);
101 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
102 void qemu_bh_schedule(QEMUBH *bh);
103 /* Bottom halfs that are scheduled from a bottom half handler are instantly
104 * invoked. This can create an infinite loop if a bottom half handler
105 * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
106 * ensuring that the bottom half isn't executed until the next main loop
109 void qemu_bh_schedule_idle(QEMUBH *bh);
110 void qemu_bh_cancel(QEMUBH *bh);
111 void qemu_bh_delete(QEMUBH *bh);
112 int qemu_bh_poll(void);
113 void qemu_bh_update_timeout(int *timeout);
115 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
117 void qemu_get_timedate(struct tm *tm, int offset);
118 int qemu_timedate_diff(struct tm *tm);
121 void pstrcpy(char *buf, int buf_size, const char *str);
122 char *pstrcat(char *buf, int buf_size, const char *s);
123 int strstart(const char *str, const char *val, const char **ptr);
124 int stristart(const char *str, const char *val, const char **ptr);
125 int qemu_strnlen(const char *s, int max_len);
126 time_t mktimegm(struct tm *tm);
128 int qemu_fdatasync(int fd);
131 void init_paths(const char *prefix);
132 const char *path(const char *pathname);
134 #define qemu_isalnum(c) isalnum((unsigned char)(c))
135 #define qemu_isalpha(c) isalpha((unsigned char)(c))
136 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
137 #define qemu_isdigit(c) isdigit((unsigned char)(c))
138 #define qemu_isgraph(c) isgraph((unsigned char)(c))
139 #define qemu_islower(c) islower((unsigned char)(c))
140 #define qemu_isprint(c) isprint((unsigned char)(c))
141 #define qemu_ispunct(c) ispunct((unsigned char)(c))
142 #define qemu_isspace(c) isspace((unsigned char)(c))
143 #define qemu_isupper(c) isupper((unsigned char)(c))
144 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
145 #define qemu_tolower(c) tolower((unsigned char)(c))
146 #define qemu_toupper(c) toupper((unsigned char)(c))
147 #define qemu_isascii(c) isascii((unsigned char)(c))
148 #define qemu_toascii(c) toascii((unsigned char)(c))
150 void *qemu_malloc(size_t size);
151 void *qemu_realloc(void *ptr, size_t size);
152 void *qemu_mallocz(size_t size);
153 void qemu_free(void *ptr);
154 char *qemu_strdup(const char *str);
155 char *qemu_strndup(const char *str, size_t size);
157 void *get_mmap_addr(unsigned long size);
160 void qemu_mutex_lock_iothread(void);
161 void qemu_mutex_unlock_iothread(void);
163 int qemu_open(const char *name, int flags, ...);
164 void qemu_set_cloexec(int fd);
167 int qemu_pipe(int pipefd[2]);
170 /* Error handling. */
172 void QEMU_NORETURN hw_error(const char *fmt, ...)
173 __attribute__ ((__format__ (__printf__, 1, 2)));
176 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
177 typedef int IOCanRWHandler(void *opaque);
178 typedef void IOHandler(void *opaque);
180 struct ParallelIOArg {
185 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
187 /* A load of opaque types so that device init declarations don't have to
188 pull in all the real definitions. */
189 typedef struct NICInfo NICInfo;
190 typedef struct HCIInfo HCIInfo;
191 typedef struct AudioState AudioState;
192 typedef struct BlockDriverState BlockDriverState;
193 typedef struct DisplayState DisplayState;
194 typedef struct DisplayChangeListener DisplayChangeListener;
195 typedef struct DisplaySurface DisplaySurface;
196 typedef struct DisplayAllocator DisplayAllocator;
197 typedef struct PixelFormat PixelFormat;
198 typedef struct TextConsole TextConsole;
199 typedef TextConsole QEMUConsole;
200 typedef struct CharDriverState CharDriverState;
201 typedef struct MACAddr MACAddr;
202 typedef struct VLANState VLANState;
203 typedef struct VLANClientState VLANClientState;
204 typedef struct QEMUFile QEMUFile;
205 typedef struct i2c_bus i2c_bus;
206 typedef struct i2c_slave i2c_slave;
207 typedef struct SMBusDevice SMBusDevice;
208 typedef struct QEMUTimer QEMUTimer;
209 typedef struct PCIHostState PCIHostState;
210 typedef struct PCIExpressHost PCIExpressHost;
211 typedef struct PCIBus PCIBus;
212 typedef struct PCIDevice PCIDevice;
213 typedef struct SerialState SerialState;
214 typedef struct IRQState *qemu_irq;
215 typedef struct PCMCIACardState PCMCIACardState;
216 typedef struct MouseTransformInfo MouseTransformInfo;
217 typedef struct uWireSlave uWireSlave;
218 typedef struct I2SCodec I2SCodec;
219 typedef struct DeviceState DeviceState;
220 typedef struct SSIBus SSIBus;
223 void cpu_save(QEMUFile *f, void *opaque);
224 int cpu_load(QEMUFile *f, void *opaque, int version_id);
226 /* Force QEMU to stop what it's doing and service IO */
227 void qemu_service_io(void);
229 /* Force QEMU to process pending events */
230 void qemu_notify_event(void);
233 void qemu_cpu_kick(void *env);
234 int qemu_cpu_self(void *env);
236 #ifdef CONFIG_USER_ONLY
237 #define qemu_init_vcpu(env) do { } while (0)
239 void qemu_init_vcpu(void *env);
242 typedef struct QEMUIOVector {
249 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
250 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
251 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
252 void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
253 void qemu_iovec_destroy(QEMUIOVector *qiov);
254 void qemu_iovec_reset(QEMUIOVector *qiov);
255 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
256 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
259 typedef struct Monitor Monitor;
261 /* Convert a byte between binary and BCD. */
262 static inline uint8_t to_bcd(uint8_t val)
264 return ((val / 10) << 4) | (val % 10);
267 static inline uint8_t from_bcd(uint8_t val)
269 return ((val >> 4) * 10) + (val & 0x0f);
274 #endif /* dyngen-exec.h hack */