Annotation of qemu/qemu-common.h, revision 1.1.1.4
1.1 root 1: /* Common header file that is included by all of qemu. */
2: #ifndef QEMU_COMMON_H
3: #define QEMU_COMMON_H
4:
1.1.1.2 root 5: #define QEMU_NORETURN __attribute__ ((__noreturn__))
1.1.1.4 ! root 6: #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT
! 7: #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
! 8: #else
! 9: #define QEMU_WARN_UNUSED_RESULT
! 10: #endif
1.1.1.2 root 11:
12: /* Hack around the mess dyngen-exec.h causes: We need QEMU_NORETURN in files that
13: cannot include the following headers without conflicts. This condition has
14: to be removed once dyngen is gone. */
15: #ifndef __DYNGEN_EXEC_H__
16:
1.1 root 17: /* we put basic includes here to avoid repeating them in device drivers */
18: #include <stdlib.h>
19: #include <stdio.h>
20: #include <stdarg.h>
21: #include <string.h>
1.1.1.2 root 22: #include <strings.h>
1.1 root 23: #include <inttypes.h>
24: #include <limits.h>
25: #include <time.h>
26: #include <ctype.h>
27: #include <errno.h>
28: #include <unistd.h>
29: #include <fcntl.h>
30: #include <sys/stat.h>
1.1.1.3 root 31: #include <assert.h>
1.1.1.2 root 32: #include "config-host.h"
1.1 root 33:
34: #ifndef O_LARGEFILE
35: #define O_LARGEFILE 0
36: #endif
37: #ifndef O_BINARY
38: #define O_BINARY 0
39: #endif
1.1.1.4 ! root 40: #ifndef MAP_ANONYMOUS
! 41: #define MAP_ANONYMOUS MAP_ANON
! 42: #endif
1.1 root 43: #ifndef ENOMEDIUM
44: #define ENOMEDIUM ENODEV
45: #endif
1.1.1.4 ! root 46: #if !defined(ENOTSUP)
! 47: #define ENOTSUP 4096
! 48: #endif
1.1 root 49:
1.1.1.4 ! root 50: #ifndef CONFIG_IOVEC
! 51: #define CONFIG_IOVEC
1.1.1.2 root 52: struct iovec {
53: void *iov_base;
54: size_t iov_len;
55: };
56: #else
57: #include <sys/uio.h>
58: #endif
59:
1.1 root 60: #ifdef _WIN32
61: #define fsync _commit
62: #define lseek _lseeki64
63: extern int qemu_ftruncate64(int, int64_t);
64: #define ftruncate qemu_ftruncate64
65:
66: static inline char *realpath(const char *path, char *resolved_path)
67: {
68: _fullpath(resolved_path, path, _MAX_PATH);
69: return resolved_path;
70: }
71:
72: #define PRId64 "I64d"
73: #define PRIx64 "I64x"
74: #define PRIu64 "I64u"
75: #define PRIo64 "I64o"
76: #endif
77:
78: /* FIXME: Remove NEED_CPU_H. */
79: #ifndef NEED_CPU_H
80:
81: #include <setjmp.h>
82: #include "osdep.h"
83: #include "bswap.h"
84:
85: #else
86:
87: #include "cpu.h"
88:
89: #endif /* !defined(NEED_CPU_H) */
90:
91: /* bottom halves */
92: typedef struct QEMUBH QEMUBH;
93:
94: typedef void QEMUBHFunc(void *opaque);
95:
1.1.1.4 ! root 96: void async_context_push(void);
! 97: void async_context_pop(void);
! 98: int get_async_context_id(void);
! 99:
1.1 root 100: QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque);
101: void qemu_bh_schedule(QEMUBH *bh);
1.1.1.2 root 102: /* Bottom halfs that are scheduled from a bottom half handler are instantly
103: * invoked. This can create an infinite loop if a bottom half handler
104: * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by
105: * ensuring that the bottom half isn't executed until the next main loop
106: * iteration.
107: */
108: void qemu_bh_schedule_idle(QEMUBH *bh);
1.1 root 109: void qemu_bh_cancel(QEMUBH *bh);
110: void qemu_bh_delete(QEMUBH *bh);
111: int qemu_bh_poll(void);
1.1.1.4 ! root 112: void qemu_bh_update_timeout(int *timeout);
1.1 root 113:
114: uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c);
115:
1.1.1.2 root 116: void qemu_get_timedate(struct tm *tm, int offset);
117: int qemu_timedate_diff(struct tm *tm);
118:
1.1 root 119: /* cutils.c */
120: void pstrcpy(char *buf, int buf_size, const char *str);
121: char *pstrcat(char *buf, int buf_size, const char *s);
122: int strstart(const char *str, const char *val, const char **ptr);
123: int stristart(const char *str, const char *val, const char **ptr);
1.1.1.3 root 124: int qemu_strnlen(const char *s, int max_len);
1.1 root 125: time_t mktimegm(struct tm *tm);
1.1.1.2 root 126: int qemu_fls(int i);
1.1.1.4 ! root 127: int qemu_fdatasync(int fd);
! 128:
! 129: /* path.c */
! 130: void init_paths(const char *prefix);
! 131: const char *path(const char *pathname);
1.1.1.2 root 132:
133: #define qemu_isalnum(c) isalnum((unsigned char)(c))
134: #define qemu_isalpha(c) isalpha((unsigned char)(c))
135: #define qemu_iscntrl(c) iscntrl((unsigned char)(c))
136: #define qemu_isdigit(c) isdigit((unsigned char)(c))
137: #define qemu_isgraph(c) isgraph((unsigned char)(c))
138: #define qemu_islower(c) islower((unsigned char)(c))
139: #define qemu_isprint(c) isprint((unsigned char)(c))
140: #define qemu_ispunct(c) ispunct((unsigned char)(c))
141: #define qemu_isspace(c) isspace((unsigned char)(c))
142: #define qemu_isupper(c) isupper((unsigned char)(c))
143: #define qemu_isxdigit(c) isxdigit((unsigned char)(c))
144: #define qemu_tolower(c) tolower((unsigned char)(c))
145: #define qemu_toupper(c) toupper((unsigned char)(c))
146: #define qemu_isascii(c) isascii((unsigned char)(c))
147: #define qemu_toascii(c) toascii((unsigned char)(c))
148:
149: void *qemu_malloc(size_t size);
150: void *qemu_realloc(void *ptr, size_t size);
151: void *qemu_mallocz(size_t size);
152: void qemu_free(void *ptr);
153: char *qemu_strdup(const char *str);
154: char *qemu_strndup(const char *str, size_t size);
155:
156: void *get_mmap_addr(unsigned long size);
157:
1.1 root 158:
1.1.1.4 ! root 159: void qemu_mutex_lock_iothread(void);
! 160: void qemu_mutex_unlock_iothread(void);
! 161:
! 162: int qemu_open(const char *name, int flags, ...);
! 163: void qemu_set_cloexec(int fd);
! 164:
! 165: #ifndef _WIN32
! 166: int qemu_pipe(int pipefd[2]);
! 167: #endif
! 168:
1.1 root 169: /* Error handling. */
170:
1.1.1.2 root 171: void QEMU_NORETURN hw_error(const char *fmt, ...)
172: __attribute__ ((__format__ (__printf__, 1, 2)));
1.1 root 173:
174: /* IO callbacks. */
175: typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size);
176: typedef int IOCanRWHandler(void *opaque);
177: typedef void IOHandler(void *opaque);
178:
179: struct ParallelIOArg {
180: void *buffer;
181: int count;
182: };
183:
184: typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
185:
186: /* A load of opaque types so that device init declarations don't have to
187: pull in all the real definitions. */
188: typedef struct NICInfo NICInfo;
1.1.1.2 root 189: typedef struct HCIInfo HCIInfo;
1.1 root 190: typedef struct AudioState AudioState;
191: typedef struct BlockDriverState BlockDriverState;
192: typedef struct DisplayState DisplayState;
1.1.1.2 root 193: typedef struct DisplayChangeListener DisplayChangeListener;
194: typedef struct DisplaySurface DisplaySurface;
1.1.1.3 root 195: typedef struct DisplayAllocator DisplayAllocator;
1.1.1.2 root 196: typedef struct PixelFormat PixelFormat;
1.1 root 197: typedef struct TextConsole TextConsole;
1.1.1.2 root 198: typedef TextConsole QEMUConsole;
1.1 root 199: typedef struct CharDriverState CharDriverState;
1.1.1.4 ! root 200: typedef struct MACAddr MACAddr;
1.1 root 201: typedef struct VLANState VLANState;
1.1.1.4 ! root 202: typedef struct VLANClientState VLANClientState;
1.1 root 203: typedef struct QEMUFile QEMUFile;
204: typedef struct i2c_bus i2c_bus;
205: typedef struct i2c_slave i2c_slave;
206: typedef struct SMBusDevice SMBusDevice;
207: typedef struct QEMUTimer QEMUTimer;
1.1.1.4 ! root 208: typedef struct PCIHostState PCIHostState;
! 209: typedef struct PCIExpressHost PCIExpressHost;
1.1 root 210: typedef struct PCIBus PCIBus;
211: typedef struct PCIDevice PCIDevice;
212: typedef struct SerialState SerialState;
213: typedef struct IRQState *qemu_irq;
1.1.1.3 root 214: typedef struct PCMCIACardState PCMCIACardState;
215: typedef struct MouseTransformInfo MouseTransformInfo;
216: typedef struct uWireSlave uWireSlave;
217: typedef struct I2SCodec I2SCodec;
218: typedef struct DeviceState DeviceState;
219: typedef struct SSIBus SSIBus;
1.1 root 220:
1.1.1.2 root 221: /* CPU save/load. */
222: void cpu_save(QEMUFile *f, void *opaque);
223: int cpu_load(QEMUFile *f, void *opaque, int version_id);
224:
225: /* Force QEMU to stop what it's doing and service IO */
226: void qemu_service_io(void);
227:
1.1.1.3 root 228: /* Force QEMU to process pending events */
229: void qemu_notify_event(void);
230:
231: /* Unblock cpu */
232: void qemu_cpu_kick(void *env);
233: int qemu_cpu_self(void *env);
234:
235: #ifdef CONFIG_USER_ONLY
236: #define qemu_init_vcpu(env) do { } while (0)
237: #else
238: void qemu_init_vcpu(void *env);
239: #endif
240:
1.1.1.2 root 241: typedef struct QEMUIOVector {
242: struct iovec *iov;
243: int niov;
244: int nalloc;
245: size_t size;
246: } QEMUIOVector;
247:
248: void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
1.1.1.3 root 249: void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
1.1.1.2 root 250: void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
1.1.1.4 ! root 251: void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
1.1.1.2 root 252: void qemu_iovec_destroy(QEMUIOVector *qiov);
253: void qemu_iovec_reset(QEMUIOVector *qiov);
254: void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
255: void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
256:
1.1.1.3 root 257: struct Monitor;
258: typedef struct Monitor Monitor;
259:
1.1.1.4 ! root 260: /* Convert a byte between binary and BCD. */
! 261: static inline uint8_t to_bcd(uint8_t val)
! 262: {
! 263: return ((val / 10) << 4) | (val % 10);
! 264: }
! 265:
! 266: static inline uint8_t from_bcd(uint8_t val)
! 267: {
! 268: return ((val >> 4) * 10) + (val & 0x0f);
! 269: }
! 270:
1.1.1.3 root 271: #include "module.h"
272:
1.1.1.2 root 273: #endif /* dyngen-exec.h hack */
274:
1.1 root 275: #endif
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