Annotation of qemu/qemu-common.h, revision 1.1.1.10

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: 
1.1.1.9   root        5: #include "compiler.h"
1.1.1.5   root        6: #include "config-host.h"
                      7: 
1.1.1.10! root        8: #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
        !             9: #define WORDS_ALIGNED
        !            10: #endif
        !            11: 
1.1.1.9   root       12: #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
1.1.1.7   root       13: 
                     14: typedef struct QEMUTimer QEMUTimer;
                     15: typedef struct QEMUFile QEMUFile;
                     16: typedef struct DeviceState DeviceState;
                     17: 
1.1.1.9   root       18: struct Monitor;
                     19: typedef struct Monitor Monitor;
                     20: 
1.1       root       21: /* we put basic includes here to avoid repeating them in device drivers */
                     22: #include <stdlib.h>
                     23: #include <stdio.h>
                     24: #include <stdarg.h>
1.1.1.7   root       25: #include <stdbool.h>
1.1       root       26: #include <string.h>
1.1.1.2   root       27: #include <strings.h>
1.1       root       28: #include <inttypes.h>
                     29: #include <limits.h>
                     30: #include <time.h>
                     31: #include <ctype.h>
                     32: #include <errno.h>
                     33: #include <unistd.h>
                     34: #include <fcntl.h>
                     35: #include <sys/stat.h>
1.1.1.9   root       36: #include <sys/time.h>
1.1.1.3   root       37: #include <assert.h>
1.1.1.9   root       38: #include <signal.h>
1.1.1.10! root       39: #include <glib.h>
1.1.1.9   root       40: 
                     41: #ifdef _WIN32
                     42: #include "qemu-os-win32.h"
                     43: #endif
                     44: 
                     45: #ifdef CONFIG_POSIX
                     46: #include "qemu-os-posix.h"
                     47: #endif
1.1       root       48: 
                     49: #ifndef O_LARGEFILE
                     50: #define O_LARGEFILE 0
                     51: #endif
                     52: #ifndef O_BINARY
                     53: #define O_BINARY 0
                     54: #endif
1.1.1.4   root       55: #ifndef MAP_ANONYMOUS
                     56: #define MAP_ANONYMOUS MAP_ANON
                     57: #endif
1.1       root       58: #ifndef ENOMEDIUM
                     59: #define ENOMEDIUM ENODEV
                     60: #endif
1.1.1.4   root       61: #if !defined(ENOTSUP)
                     62: #define ENOTSUP 4096
                     63: #endif
1.1.1.8   root       64: #ifndef TIME_MAX
                     65: #define TIME_MAX LONG_MAX
                     66: #endif
1.1       root       67: 
1.1.1.4   root       68: #ifndef CONFIG_IOVEC
                     69: #define CONFIG_IOVEC
1.1.1.2   root       70: struct iovec {
                     71:     void *iov_base;
                     72:     size_t iov_len;
                     73: };
1.1.1.6   root       74: /*
                     75:  * Use the same value as Linux for now.
                     76:  */
                     77: #define IOV_MAX                1024
1.1.1.2   root       78: #else
                     79: #include <sys/uio.h>
                     80: #endif
                     81: 
1.1.1.8   root       82: typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
                     83:     GCC_FMT_ATTR(2, 3);
                     84: 
1.1       root       85: #ifdef _WIN32
                     86: #define fsync _commit
                     87: #define lseek _lseeki64
1.1.1.8   root       88: int qemu_ftruncate64(int, int64_t);
1.1       root       89: #define ftruncate qemu_ftruncate64
                     90: 
                     91: static inline char *realpath(const char *path, char *resolved_path)
                     92: {
                     93:     _fullpath(resolved_path, path, _MAX_PATH);
                     94:     return resolved_path;
                     95: }
                     96: #endif
                     97: 
1.1.1.10! root       98: /* icount */
        !            99: void configure_icount(const char *option);
        !           100: extern int use_icount;
        !           101: 
1.1       root      102: /* FIXME: Remove NEED_CPU_H.  */
                    103: #ifndef NEED_CPU_H
                    104: 
                    105: #include "osdep.h"
                    106: #include "bswap.h"
                    107: 
                    108: #else
                    109: 
                    110: #include "cpu.h"
                    111: 
                    112: #endif /* !defined(NEED_CPU_H) */
                    113: 
1.1.1.9   root      114: /* main function, renamed */
                    115: #if defined(CONFIG_COCOA)
                    116: int qemu_main(int argc, char **argv, char **envp);
                    117: #endif
                    118: 
1.1.1.2   root      119: void qemu_get_timedate(struct tm *tm, int offset);
                    120: int qemu_timedate_diff(struct tm *tm);
                    121: 
1.1       root      122: /* cutils.c */
                    123: void pstrcpy(char *buf, int buf_size, const char *str);
                    124: char *pstrcat(char *buf, int buf_size, const char *s);
                    125: int strstart(const char *str, const char *val, const char **ptr);
                    126: int stristart(const char *str, const char *val, const char **ptr);
1.1.1.3   root      127: int qemu_strnlen(const char *s, int max_len);
1.1       root      128: time_t mktimegm(struct tm *tm);
1.1.1.2   root      129: int qemu_fls(int i);
1.1.1.4   root      130: int qemu_fdatasync(int fd);
1.1.1.7   root      131: int fcntl_setfl(int fd, int flag);
1.1.1.10! root      132: int qemu_parse_fd(const char *param);
1.1.1.4   root      133: 
1.1.1.8   root      134: /*
                    135:  * strtosz() suffixes used to specify the default treatment of an
                    136:  * argument passed to strtosz() without an explicit suffix.
                    137:  * These should be defined using upper case characters in the range
                    138:  * A-Z, as strtosz() will use qemu_toupper() on the given argument
                    139:  * prior to comparison.
                    140:  */
                    141: #define STRTOSZ_DEFSUFFIX_TB   'T'
                    142: #define STRTOSZ_DEFSUFFIX_GB   'G'
                    143: #define STRTOSZ_DEFSUFFIX_MB   'M'
                    144: #define STRTOSZ_DEFSUFFIX_KB   'K'
                    145: #define STRTOSZ_DEFSUFFIX_B    'B'
                    146: int64_t strtosz(const char *nptr, char **end);
                    147: int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
1.1.1.10! root      148: int64_t strtosz_suffix_unit(const char *nptr, char **end,
        !           149:                             const char default_suffix, int64_t unit);
1.1.1.8   root      150: 
1.1.1.4   root      151: /* path.c */
                    152: void init_paths(const char *prefix);
                    153: const char *path(const char *pathname);
1.1.1.2   root      154: 
                    155: #define qemu_isalnum(c)                isalnum((unsigned char)(c))
                    156: #define qemu_isalpha(c)                isalpha((unsigned char)(c))
                    157: #define qemu_iscntrl(c)                iscntrl((unsigned char)(c))
                    158: #define qemu_isdigit(c)                isdigit((unsigned char)(c))
                    159: #define qemu_isgraph(c)                isgraph((unsigned char)(c))
                    160: #define qemu_islower(c)                islower((unsigned char)(c))
                    161: #define qemu_isprint(c)                isprint((unsigned char)(c))
                    162: #define qemu_ispunct(c)                ispunct((unsigned char)(c))
                    163: #define qemu_isspace(c)                isspace((unsigned char)(c))
                    164: #define qemu_isupper(c)                isupper((unsigned char)(c))
                    165: #define qemu_isxdigit(c)       isxdigit((unsigned char)(c))
                    166: #define qemu_tolower(c)                tolower((unsigned char)(c))
                    167: #define qemu_toupper(c)                toupper((unsigned char)(c))
                    168: #define qemu_isascii(c)                isascii((unsigned char)(c))
                    169: #define qemu_toascii(c)                toascii((unsigned char)(c))
                    170: 
1.1.1.8   root      171: void *qemu_oom_check(void *ptr);
1.1.1.4   root      172: 
                    173: int qemu_open(const char *name, int flags, ...);
1.1.1.7   root      174: ssize_t qemu_write_full(int fd, const void *buf, size_t count)
                    175:     QEMU_WARN_UNUSED_RESULT;
1.1.1.4   root      176: void qemu_set_cloexec(int fd);
                    177: 
                    178: #ifndef _WIN32
1.1.1.7   root      179: int qemu_eventfd(int pipefd[2]);
1.1.1.4   root      180: int qemu_pipe(int pipefd[2]);
                    181: #endif
                    182: 
1.1.1.9   root      183: #ifdef _WIN32
                    184: #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
                    185: #else
                    186: #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
                    187: #endif
                    188: 
1.1       root      189: /* Error handling.  */
                    190: 
1.1.1.8   root      191: void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
1.1       root      192: 
                    193: struct ParallelIOArg {
                    194:     void *buffer;
                    195:     int count;
                    196: };
                    197: 
                    198: typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
                    199: 
                    200: /* A load of opaque types so that device init declarations don't have to
                    201:    pull in all the real definitions.  */
                    202: typedef struct NICInfo NICInfo;
1.1.1.2   root      203: typedef struct HCIInfo HCIInfo;
1.1       root      204: typedef struct AudioState AudioState;
                    205: typedef struct BlockDriverState BlockDriverState;
1.1.1.8   root      206: typedef struct DriveInfo DriveInfo;
1.1       root      207: typedef struct DisplayState DisplayState;
1.1.1.2   root      208: typedef struct DisplayChangeListener DisplayChangeListener;
                    209: typedef struct DisplaySurface DisplaySurface;
1.1.1.3   root      210: typedef struct DisplayAllocator DisplayAllocator;
1.1.1.2   root      211: typedef struct PixelFormat PixelFormat;
1.1       root      212: typedef struct TextConsole TextConsole;
1.1.1.2   root      213: typedef TextConsole QEMUConsole;
1.1       root      214: typedef struct CharDriverState CharDriverState;
1.1.1.4   root      215: typedef struct MACAddr MACAddr;
1.1       root      216: typedef struct VLANState VLANState;
1.1.1.4   root      217: typedef struct VLANClientState VLANClientState;
1.1       root      218: typedef struct i2c_bus i2c_bus;
                    219: typedef struct i2c_slave i2c_slave;
                    220: typedef struct SMBusDevice SMBusDevice;
1.1.1.4   root      221: typedef struct PCIHostState PCIHostState;
                    222: typedef struct PCIExpressHost PCIExpressHost;
1.1       root      223: typedef struct PCIBus PCIBus;
                    224: typedef struct PCIDevice PCIDevice;
1.1.1.8   root      225: typedef struct PCIExpressDevice PCIExpressDevice;
                    226: typedef struct PCIBridge PCIBridge;
                    227: typedef struct PCIEAERMsg PCIEAERMsg;
                    228: typedef struct PCIEAERLog PCIEAERLog;
                    229: typedef struct PCIEAERErr PCIEAERErr;
                    230: typedef struct PCIEPort PCIEPort;
                    231: typedef struct PCIESlot PCIESlot;
1.1       root      232: typedef struct SerialState SerialState;
                    233: typedef struct IRQState *qemu_irq;
1.1.1.3   root      234: typedef struct PCMCIACardState PCMCIACardState;
                    235: typedef struct MouseTransformInfo MouseTransformInfo;
                    236: typedef struct uWireSlave uWireSlave;
                    237: typedef struct I2SCodec I2SCodec;
                    238: typedef struct SSIBus SSIBus;
1.1.1.7   root      239: typedef struct EventNotifier EventNotifier;
                    240: typedef struct VirtIODevice VirtIODevice;
1.1.1.10! root      241: typedef struct QEMUSGList QEMUSGList;
1.1.1.7   root      242: 
                    243: typedef uint64_t pcibus_t;
                    244: 
1.1.1.10! root      245: void tcg_exec_init(unsigned long tb_size);
        !           246: bool tcg_enabled(void);
        !           247: 
        !           248: void cpu_exec_init_all(void);
1.1       root      249: 
1.1.1.2   root      250: /* CPU save/load.  */
                    251: void cpu_save(QEMUFile *f, void *opaque);
                    252: int cpu_load(QEMUFile *f, void *opaque, int version_id);
                    253: 
1.1.1.3   root      254: /* Unblock cpu */
                    255: void qemu_cpu_kick(void *env);
1.1.1.9   root      256: void qemu_cpu_kick_self(void);
                    257: int qemu_cpu_is_self(void *env);
                    258: bool all_cpu_threads_idle(void);
1.1.1.3   root      259: 
1.1.1.7   root      260: /* work queue */
                    261: struct qemu_work_item {
                    262:     struct qemu_work_item *next;
                    263:     void (*func)(void *data);
                    264:     void *data;
                    265:     int done;
                    266: };
                    267: 
1.1.1.3   root      268: #ifdef CONFIG_USER_ONLY
                    269: #define qemu_init_vcpu(env) do { } while (0)
                    270: #else
                    271: void qemu_init_vcpu(void *env);
                    272: #endif
                    273: 
1.1.1.2   root      274: typedef struct QEMUIOVector {
                    275:     struct iovec *iov;
                    276:     int niov;
                    277:     int nalloc;
                    278:     size_t size;
                    279: } QEMUIOVector;
                    280: 
                    281: void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
1.1.1.3   root      282: void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
1.1.1.2   root      283: void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
1.1.1.8   root      284: void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
                    285:     size_t size);
1.1.1.4   root      286: void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
1.1.1.2   root      287: void qemu_iovec_destroy(QEMUIOVector *qiov);
                    288: void qemu_iovec_reset(QEMUIOVector *qiov);
                    289: void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
                    290: void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
1.1.1.8   root      291: void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
                    292: void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
                    293:                             size_t skip);
1.1.1.2   root      294: 
1.1.1.9   root      295: void qemu_progress_init(int enabled, float min_skip);
                    296: void qemu_progress_end(void);
                    297: void qemu_progress_print(float delta, int max);
                    298: 
                    299: #define QEMU_FILE_TYPE_BIOS   0
                    300: #define QEMU_FILE_TYPE_KEYMAP 1
                    301: char *qemu_find_file(int type, const char *name);
                    302: 
                    303: /* OS specific functions */
                    304: void os_setup_early_signal_handling(void);
                    305: char *os_find_datadir(const char *argv0);
                    306: void os_parse_cmd_args(int index, const char *optarg);
                    307: void os_pidfile_error(void);
1.1.1.3   root      308: 
1.1.1.4   root      309: /* Convert a byte between binary and BCD.  */
                    310: static inline uint8_t to_bcd(uint8_t val)
                    311: {
                    312:     return ((val / 10) << 4) | (val % 10);
                    313: }
                    314: 
                    315: static inline uint8_t from_bcd(uint8_t val)
                    316: {
                    317:     return ((val >> 4) * 10) + (val & 0x0f);
                    318: }
                    319: 
1.1.1.8   root      320: /* compute with 96 bit intermediate result: (a*b)/c */
                    321: static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
                    322: {
                    323:     union {
                    324:         uint64_t ll;
                    325:         struct {
                    326: #ifdef HOST_WORDS_BIGENDIAN
                    327:             uint32_t high, low;
                    328: #else
                    329:             uint32_t low, high;
                    330: #endif
                    331:         } l;
                    332:     } u, res;
                    333:     uint64_t rl, rh;
                    334: 
                    335:     u.ll = a;
                    336:     rl = (uint64_t)u.l.low * (uint64_t)b;
                    337:     rh = (uint64_t)u.l.high * (uint64_t)b;
                    338:     rh += (rl >> 32);
                    339:     res.l.high = rh / c;
                    340:     res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
                    341:     return res.ll;
                    342: }
1.1.1.3   root      343: 
1.1.1.8   root      344: #include "module.h"
1.1.1.2   root      345: 
1.1       root      346: #endif

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