| /* Common header file that is included by all of qemu. */ |
| #ifndef QEMU_COMMON_H |
| #define QEMU_COMMON_H |
| |
| #include "config-host.h" |
| |
| #define QEMU_NORETURN __attribute__ ((__noreturn__)) |
| #ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT |
| #define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) |
| #else |
| #define QEMU_WARN_UNUSED_RESULT |
| #endif |
| |
| #define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1]; |
| |
| typedef struct QEMUTimer QEMUTimer; |
| typedef struct QEMUFile QEMUFile; |
| typedef struct QEMUBH QEMUBH; |
| typedef struct DeviceState DeviceState; |
| |
| struct Monitor; |
| typedef struct Monitor Monitor; |
| |
| /* we put basic includes here to avoid repeating them in device drivers */ |
| #include <stdlib.h> |
| #include <stdio.h> |
| #include <stdarg.h> |
| #include <stdbool.h> |
| #include <string.h> |
| #include <strings.h> |
| #include <inttypes.h> |
| #include <limits.h> |
| #include <time.h> |
| #include <ctype.h> |
| #include <errno.h> |
| #include <unistd.h> |
| #include <fcntl.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <assert.h> |
| |
| #ifdef _WIN32 |
| #include "qemu-os-win32.h" |
| #endif |
| |
| #ifdef CONFIG_POSIX |
| #include "qemu-os-posix.h" |
| #endif |
| |
| #ifndef O_LARGEFILE |
| #define O_LARGEFILE 0 |
| #endif |
| #ifndef O_BINARY |
| #define O_BINARY 0 |
| #endif |
| #ifndef MAP_ANONYMOUS |
| #define MAP_ANONYMOUS MAP_ANON |
| #endif |
| #ifndef ENOMEDIUM |
| #define ENOMEDIUM ENODEV |
| #endif |
| #if !defined(ENOTSUP) |
| #define ENOTSUP 4096 |
| #endif |
| #ifndef TIME_MAX |
| #define TIME_MAX LONG_MAX |
| #endif |
| |
| #ifndef CONFIG_IOVEC |
| #define CONFIG_IOVEC |
| struct iovec { |
| void *iov_base; |
| size_t iov_len; |
| }; |
| /* |
| * Use the same value as Linux for now. |
| */ |
| #define IOV_MAX 1024 |
| #else |
| #include <sys/uio.h> |
| #endif |
| |
| #if defined __GNUC__ |
| # if (__GNUC__ < 4) || \ |
| defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) |
| /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ |
| # define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) |
| # define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) |
| # else |
| /* Use gnu_printf when supported (qemu uses standard format strings). */ |
| # define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) |
| # define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) |
| # endif |
| #else |
| #define GCC_ATTR /**/ |
| #define GCC_FMT_ATTR(n, m) |
| #endif |
| |
| typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) |
| GCC_FMT_ATTR(2, 3); |
| |
| #ifdef _WIN32 |
| #define fsync _commit |
| #define lseek _lseeki64 |
| int qemu_ftruncate64(int, int64_t); |
| #define ftruncate qemu_ftruncate64 |
| |
| static inline char *realpath(const char *path, char *resolved_path) |
| { |
| _fullpath(resolved_path, path, _MAX_PATH); |
| return resolved_path; |
| } |
| |
| #define PRId64 "I64d" |
| #define PRIx64 "I64x" |
| #define PRIu64 "I64u" |
| #define PRIo64 "I64o" |
| #endif |
| |
| /* FIXME: Remove NEED_CPU_H. */ |
| #ifndef NEED_CPU_H |
| |
| #include <setjmp.h> |
| #include "osdep.h" |
| #include "bswap.h" |
| |
| #else |
| |
| #include "cpu.h" |
| |
| #endif /* !defined(NEED_CPU_H) */ |
| |
| /* bottom halves */ |
| typedef void QEMUBHFunc(void *opaque); |
| |
| void async_context_push(void); |
| void async_context_pop(void); |
| int get_async_context_id(void); |
| |
| QEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); |
| void qemu_bh_schedule(QEMUBH *bh); |
| /* Bottom halfs that are scheduled from a bottom half handler are instantly |
| * invoked. This can create an infinite loop if a bottom half handler |
| * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by |
| * ensuring that the bottom half isn't executed until the next main loop |
| * iteration. |
| */ |
| void qemu_bh_schedule_idle(QEMUBH *bh); |
| void qemu_bh_cancel(QEMUBH *bh); |
| void qemu_bh_delete(QEMUBH *bh); |
| int qemu_bh_poll(void); |
| void qemu_bh_update_timeout(int *timeout); |
| |
| void qemu_get_timedate(struct tm *tm, int offset); |
| int qemu_timedate_diff(struct tm *tm); |
| |
| /* cutils.c */ |
| void pstrcpy(char *buf, int buf_size, const char *str); |
| char *pstrcat(char *buf, int buf_size, const char *s); |
| int strstart(const char *str, const char *val, const char **ptr); |
| int stristart(const char *str, const char *val, const char **ptr); |
| int qemu_strnlen(const char *s, int max_len); |
| time_t mktimegm(struct tm *tm); |
| int qemu_fls(int i); |
| int qemu_fdatasync(int fd); |
| int fcntl_setfl(int fd, int flag); |
| |
| /* |
| * strtosz() suffixes used to specify the default treatment of an |
| * argument passed to strtosz() without an explicit suffix. |
| * These should be defined using upper case characters in the range |
| * A-Z, as strtosz() will use qemu_toupper() on the given argument |
| * prior to comparison. |
| */ |
| #define STRTOSZ_DEFSUFFIX_TB 'T' |
| #define STRTOSZ_DEFSUFFIX_GB 'G' |
| #define STRTOSZ_DEFSUFFIX_MB 'M' |
| #define STRTOSZ_DEFSUFFIX_KB 'K' |
| #define STRTOSZ_DEFSUFFIX_B 'B' |
| int64_t strtosz(const char *nptr, char **end); |
| int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); |
| |
| /* path.c */ |
| void init_paths(const char *prefix); |
| const char *path(const char *pathname); |
| |
| #define qemu_isalnum(c) isalnum((unsigned char)(c)) |
| #define qemu_isalpha(c) isalpha((unsigned char)(c)) |
| #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) |
| #define qemu_isdigit(c) isdigit((unsigned char)(c)) |
| #define qemu_isgraph(c) isgraph((unsigned char)(c)) |
| #define qemu_islower(c) islower((unsigned char)(c)) |
| #define qemu_isprint(c) isprint((unsigned char)(c)) |
| #define qemu_ispunct(c) ispunct((unsigned char)(c)) |
| #define qemu_isspace(c) isspace((unsigned char)(c)) |
| #define qemu_isupper(c) isupper((unsigned char)(c)) |
| #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) |
| #define qemu_tolower(c) tolower((unsigned char)(c)) |
| #define qemu_toupper(c) toupper((unsigned char)(c)) |
| #define qemu_isascii(c) isascii((unsigned char)(c)) |
| #define qemu_toascii(c) toascii((unsigned char)(c)) |
| |
| #ifdef _WIN32 |
| /* ffs() in oslib-win32.c for WIN32, strings.h for the rest of the world */ |
| int ffs(int i); |
| #endif |
| |
| void *qemu_oom_check(void *ptr); |
| void *qemu_malloc(size_t size); |
| void *qemu_realloc(void *ptr, size_t size); |
| void *qemu_mallocz(size_t size); |
| void qemu_free(void *ptr); |
| char *qemu_strdup(const char *str); |
| char *qemu_strndup(const char *str, size_t size); |
| |
| void qemu_mutex_lock_iothread(void); |
| void qemu_mutex_unlock_iothread(void); |
| |
| int qemu_open(const char *name, int flags, ...); |
| ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
| QEMU_WARN_UNUSED_RESULT; |
| void qemu_set_cloexec(int fd); |
| |
| #ifndef _WIN32 |
| int qemu_add_child_watch(pid_t pid); |
| int qemu_eventfd(int pipefd[2]); |
| int qemu_pipe(int pipefd[2]); |
| #endif |
| |
| void *get_mmap_addr(unsigned long size); |
| |
| |
| /* Error handling. */ |
| |
| void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
| |
| /* IO callbacks. */ |
| typedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); |
| typedef int IOCanReadHandler(void *opaque); |
| typedef void IOHandler(void *opaque); |
| |
| void qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); |
| void qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int rc); |
| |
| struct ParallelIOArg { |
| void *buffer; |
| int count; |
| }; |
| |
| typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); |
| |
| /* A load of opaque types so that device init declarations don't have to |
| pull in all the real definitions. */ |
| typedef struct NICInfo NICInfo; |
| typedef struct HCIInfo HCIInfo; |
| typedef struct AudioState AudioState; |
| typedef struct BlockDriverState BlockDriverState; |
| typedef struct DriveInfo DriveInfo; |
| typedef struct DisplayState DisplayState; |
| typedef struct DisplayChangeListener DisplayChangeListener; |
| typedef struct DisplaySurface DisplaySurface; |
| typedef struct DisplayAllocator DisplayAllocator; |
| typedef struct PixelFormat PixelFormat; |
| typedef struct TextConsole TextConsole; |
| typedef TextConsole QEMUConsole; |
| typedef struct CharDriverState CharDriverState; |
| typedef struct MACAddr MACAddr; |
| typedef struct VLANState VLANState; |
| typedef struct VLANClientState VLANClientState; |
| typedef struct i2c_bus i2c_bus; |
| typedef struct i2c_slave i2c_slave; |
| typedef struct SMBusDevice SMBusDevice; |
| typedef struct PCIHostState PCIHostState; |
| typedef struct PCIExpressHost PCIExpressHost; |
| typedef struct PCIBus PCIBus; |
| typedef struct PCIDevice PCIDevice; |
| typedef struct SerialState SerialState; |
| typedef struct IRQState *qemu_irq; |
| typedef struct PCMCIACardState PCMCIACardState; |
| typedef struct MouseTransformInfo MouseTransformInfo; |
| typedef struct uWireSlave uWireSlave; |
| typedef struct I2SCodec I2SCodec; |
| typedef struct SSIBus SSIBus; |
| typedef struct EventNotifier EventNotifier; |
| typedef struct VirtIODevice VirtIODevice; |
| |
| typedef uint64_t pcibus_t; |
| |
| typedef enum { |
| IF_NONE, |
| IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, |
| IF_COUNT |
| } BlockInterfaceType; |
| |
| void cpu_exec_init_all(unsigned long tb_size); |
| |
| /* CPU save/load. */ |
| void cpu_save(QEMUFile *f, void *opaque); |
| int cpu_load(QEMUFile *f, void *opaque, int version_id); |
| |
| /* Force QEMU to stop what it's doing and service IO */ |
| void qemu_service_io(void); |
| |
| /* Force QEMU to process pending events */ |
| void qemu_notify_event(void); |
| |
| /* Unblock cpu */ |
| void qemu_cpu_kick(void *env); |
| int qemu_cpu_self(void *env); |
| |
| /* work queue */ |
| struct qemu_work_item { |
| struct qemu_work_item *next; |
| void (*func)(void *data); |
| void *data; |
| int done; |
| }; |
| |
| #ifdef CONFIG_USER_ONLY |
| #define qemu_init_vcpu(env) do { } while (0) |
| #else |
| void qemu_init_vcpu(void *env); |
| #endif |
| |
| typedef struct QEMUIOVector { |
| struct iovec *iov; |
| int niov; |
| int nalloc; |
| size_t size; |
| } QEMUIOVector; |
| |
| void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); |
| void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
| void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
| void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip, |
| size_t size); |
| void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); |
| void qemu_iovec_destroy(QEMUIOVector *qiov); |
| void qemu_iovec_reset(QEMUIOVector *qiov); |
| void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); |
| void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); |
| void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); |
| void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count, |
| size_t skip); |
| |
| /* OS specific functions */ |
| void os_setup_early_signal_handling(void); |
| char *os_find_datadir(const char *argv0); |
| void os_parse_cmd_args(int index, const char *optarg); |
| void os_pidfile_error(void); |
| |
| /* Convert a byte between binary and BCD. */ |
| static inline uint8_t to_bcd(uint8_t val) |
| { |
| return ((val / 10) << 4) | (val % 10); |
| } |
| |
| static inline uint8_t from_bcd(uint8_t val) |
| { |
| return ((val >> 4) * 10) + (val & 0x0f); |
| } |
| |
| /* compute with 96 bit intermediate result: (a*b)/c */ |
| static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
| { |
| union { |
| uint64_t ll; |
| struct { |
| #ifdef HOST_WORDS_BIGENDIAN |
| uint32_t high, low; |
| #else |
| uint32_t low, high; |
| #endif |
| } l; |
| } u, res; |
| uint64_t rl, rh; |
| |
| u.ll = a; |
| rl = (uint64_t)u.l.low * (uint64_t)b; |
| rh = (uint64_t)u.l.high * (uint64_t)b; |
| rh += (rl >> 32); |
| res.l.high = rh / c; |
| res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
| return res.ll; |
| } |
| |
| #include "module.h" |
| |
| typedef enum DisplayType |
| { |
| DT_DEFAULT, |
| DT_CURSES, |
| DT_SDL, |
| DT_VNC, |
| DT_NOGRAPHIC, |
| } DisplayType; |
| |
| #endif |