384 lines
11 KiB
C
384 lines
11 KiB
C
/* Common header file that is included by all of qemu. */
|
|
#ifndef QEMU_COMMON_H
|
|
#define QEMU_COMMON_H
|
|
|
|
#include "compiler.h"
|
|
#include "config-host.h"
|
|
|
|
#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
|
|
#define WORDS_ALIGNED
|
|
#endif
|
|
|
|
#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
|
|
|
|
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>
|
|
#include <signal.h>
|
|
#include <glib.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
|
|
|
|
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;
|
|
}
|
|
#endif
|
|
|
|
/* FIXME: Remove NEED_CPU_H. */
|
|
#ifndef NEED_CPU_H
|
|
|
|
#include "osdep.h"
|
|
#include "bswap.h"
|
|
|
|
#else
|
|
|
|
#include "cpu.h"
|
|
|
|
#endif /* !defined(NEED_CPU_H) */
|
|
|
|
/* main function, renamed */
|
|
#if defined(CONFIG_COCOA)
|
|
int qemu_main(int argc, char **argv, char **envp);
|
|
#endif
|
|
|
|
/* bottom halves */
|
|
typedef void QEMUBHFunc(void *opaque);
|
|
|
|
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);
|
|
int64_t strtosz_suffix_unit(const char *nptr, char **end,
|
|
const char default_suffix, int64_t unit);
|
|
|
|
/* 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))
|
|
|
|
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
|
|
|
|
#ifdef _WIN32
|
|
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
|
|
#else
|
|
#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
|
|
#endif
|
|
|
|
/* 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 PCIExpressDevice PCIExpressDevice;
|
|
typedef struct PCIBridge PCIBridge;
|
|
typedef struct PCIEAERMsg PCIEAERMsg;
|
|
typedef struct PCIEAERLog PCIEAERLog;
|
|
typedef struct PCIEAERErr PCIEAERErr;
|
|
typedef struct PCIEPort PCIEPort;
|
|
typedef struct PCIESlot PCIESlot;
|
|
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 struct QEMUSGList QEMUSGList;
|
|
|
|
typedef uint64_t pcibus_t;
|
|
|
|
void tcg_exec_init(unsigned long tb_size);
|
|
bool tcg_enabled(void);
|
|
|
|
void cpu_exec_init_all(void);
|
|
|
|
/* 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);
|
|
void qemu_cpu_kick_self(void);
|
|
int qemu_cpu_is_self(void *env);
|
|
bool all_cpu_threads_idle(void);
|
|
|
|
/* 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);
|
|
|
|
void qemu_progress_init(int enabled, float min_skip);
|
|
void qemu_progress_end(void);
|
|
void qemu_progress_print(float delta, int max);
|
|
|
|
#define QEMU_FILE_TYPE_BIOS 0
|
|
#define QEMU_FILE_TYPE_KEYMAP 1
|
|
char *qemu_find_file(int type, const char *name);
|
|
|
|
/* 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"
|
|
|
|
#endif
|