1 /* Common header file that is included by all of qemu. */
2 #ifndef QEMU_COMMON_H
3 #define QEMU_COMMON_H
4
5 #define QEMU_NORETURN __attribute__ ((__noreturn__))
6
7 /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
8 cannot include the following headers without conflicts. This condition has
9 to be removed once dyngen is gone. */
10 #ifndef __DYNGEN_EXEC_H__
11
12 /* we put basic includes here to avoid repeating them in device drivers */
13 #include <stdlib.h>
14 #include <stdio.h>
15 #include <stdarg.h>
16 #include <string.h>
17 #include <strings.h>
18 #include <inttypes.h>
19 #include <limits.h>
20 #include <time.h>
21 #include <ctype.h>
22 #include <errno.h>
23 #include <unistd.h>
24 #include <fcntl.h>
25 #include <sys/stat.h>
26 #include <assert.h>
27 #include "config-host.h"
28
29 #ifndef O_LARGEFILE
30 #define O_LARGEFILE 0
31 #endif
32 #ifndef O_BINARY
33 #define O_BINARY 0
34 #endif
35
36 #ifndef ENOMEDIUM
37 #define ENOMEDIUM ENODEV
38 #endif
39
40 #ifndef HAVE_IOVEC
41 #define HAVE_IOVEC
42 struct iovec {
43 void *iov_base;
44 size_t iov_len;
45 };
46 #else
47 #include <sys/uio.h>
48 #endif
49
50 #ifdef _WIN32
51 #define WIN32_LEAN_AND_MEAN
52 #include <windows.h>
53 #define fsync _commit
54 #define lseek _lseeki64
55 #define ENOTSUP 4096
56 extern int qemu_ftruncate64(int, int64_t);
57 #define ftruncate qemu_ftruncate64
58
59
realpath(const char * path,char * resolved_path)60 static inline char *realpath(const char *path, char *resolved_path)
61 {
62 _fullpath(resolved_path, path, _MAX_PATH);
63 return resolved_path;
64 }
65
66 #define PRId64 "I64d"
67 #define PRIx64 "I64x"
68 #define PRIu64 "I64u"
69 #define PRIo64 "I64o"
70 #endif
71
72 /* FIXME: Remove NEED_CPU_H. */
73 #ifndef NEED_CPU_H
74
75 #include <setjmp.h>
76 #include "osdep.h"
77 #include "bswap.h"
78
79 #else
80
81 #include "cpu.h"
82
83 #endif /* !defined(NEED_CPU_H) */
84
85 /* bottom halves */
86 typedef struct QEMUBH QEMUBH;
87
88 typedef void QEMUBHFunc(void *opaque);
89
90 QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
91 void qemu_bh_schedule(QEMUBH *bh);
92 /* Bottom halfs that are scheduled from a bottom half handler are instantly
93 * invoked. This can create an infinite loop if a bottom half handler
94 * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
95 * ensuring that the bottom half isn't executed until the next main loop
96 * iteration.
97 */
98 void qemu_bh_schedule_idle(QEMUBH *bh);
99 void qemu_bh_cancel(QEMUBH *bh);
100 void qemu_bh_delete(QEMUBH *bh);
101 int qemu_bh_poll(void);
102
103 uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
104
105 void qemu_get_timedate(struct tm *tm, int offset);
106 int qemu_timedate_diff(struct tm *tm);
107
108 /* cutils.c */
109 void pstrcpy(char *buf, int buf_size, const char *str);
110 char *pstrcat(char *buf, int buf_size, const char *s);
111 int strstart(const char *str, const char *val, const char **ptr);
112 int stristart(const char *str, const char *val, const char **ptr);
113 time_t mktimegm(struct tm *tm);
114 int qemu_fls(int i);
115
116 #define qemu_isalnum(c) isalnum((unsigned char)(c))
117 #define qemu_isalpha(c) isalpha((unsigned char)(c))
118 #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
119 #define qemu_isdigit(c) isdigit((unsigned char)(c))
120 #define qemu_isgraph(c) isgraph((unsigned char)(c))
121 #define qemu_islower(c) islower((unsigned char)(c))
122 #define qemu_isprint(c) isprint((unsigned char)(c))
123 #define qemu_ispunct(c) ispunct((unsigned char)(c))
124 #define qemu_isspace(c) isspace((unsigned char)(c))
125 #define qemu_isupper(c) isupper((unsigned char)(c))
126 #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
127 #define qemu_tolower(c) tolower((unsigned char)(c))
128 #define qemu_toupper(c) toupper((unsigned char)(c))
129 #define qemu_isascii(c) isascii((unsigned char)(c))
130 #define qemu_toascii(c) toascii((unsigned char)(c))
131
132 void *qemu_malloc(size_t size);
133 void *qemu_realloc(void *ptr, size_t size);
134 void *qemu_mallocz(size_t size);
135 void qemu_free(void *ptr);
136 char *qemu_strdup(const char *str);
137 char *qemu_strndup(const char *str, size_t size);
138
139 void *get_mmap_addr(unsigned long size);
140
141
142 /* Error handling. */
143
144 void QEMU_NORETURN hw_error(const char *fmt, ...)
145 __attribute__ ((__format__ (__printf__, 1, 2)));
146
147 /* IO callbacks. */
148 typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
149 typedef int IOCanRWHandler(void *opaque);
150 typedef void IOHandler(void *opaque);
151
152 struct ParallelIOArg {
153 void *buffer;
154 int count;
155 };
156
157 typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
158
159 /* A load of opaque types so that device init declarations don't have to
160 pull in all the real definitions. */
161 typedef struct NICInfo NICInfo;
162 typedef struct HCIInfo HCIInfo;
163 typedef struct AudioState AudioState;
164 typedef struct BlockDriverState BlockDriverState;
165 typedef struct DisplayState DisplayState;
166 typedef struct DisplayChangeListener DisplayChangeListener;
167 typedef struct DisplaySurface DisplaySurface;
168 typedef struct DisplayAllocator DisplayAllocator;
169 typedef struct PixelFormat PixelFormat;
170 typedef struct TextConsole TextConsole;
171 typedef TextConsole QEMUConsole;
172 typedef struct CharDriverState CharDriverState;
173 typedef struct VLANState VLANState;
174 typedef struct QEMUFile QEMUFile;
175 typedef struct i2c_bus i2c_bus;
176 typedef struct i2c_slave i2c_slave;
177 typedef struct SMBusDevice SMBusDevice;
178 typedef struct QEMUTimer QEMUTimer;
179 typedef struct PCIBus PCIBus;
180 typedef struct PCIDevice PCIDevice;
181 typedef struct SerialState SerialState;
182 typedef struct IRQState *qemu_irq;
183 typedef struct PCMCIACardState PCMCIACardState;
184 typedef struct MouseTransformInfo MouseTransformInfo;
185 typedef struct uWireSlave uWireSlave;
186 typedef struct I2SCodec I2SCodec;
187 typedef struct DeviceState DeviceState;
188 typedef struct SSIBus SSIBus;
189
190 /* CPU save/load. */
191 void cpu_save(QEMUFile *f, void *opaque);
192 int cpu_load(QEMUFile *f, void *opaque, int version_id);
193
194 /* Force QEMU to stop what it's doing and service IO */
195 void qemu_service_io(void);
196
197 /* Force QEMU to process pending events */
198 void qemu_notify_event(void);
199
200 /* Unblock cpu */
201 void qemu_cpu_kick(void *env);
202 int qemu_cpu_self(void *env);
203
204 #ifdef CONFIG_USER_ONLY
205 #define qemu_init_vcpu(env) do { } while (0)
206 #else
207 void qemu_init_vcpu(void *env);
208 #endif
209
210 typedef struct QEMUIOVector {
211 struct iovec *iov;
212 int niov;
213 int nalloc;
214 size_t size;
215 } QEMUIOVector;
216
217 void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
218 void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
219 void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
220 void qemu_iovec_destroy(QEMUIOVector *qiov);
221 void qemu_iovec_reset(QEMUIOVector *qiov);
222 void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
223 void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
224
225 struct Monitor;
226 typedef struct Monitor Monitor;
227
228 #include "module.h"
229
230 #endif /* dyngen-exec.h hack */
231
232 #endif
233