c0fd260e9d
Like the related macro TCG_TARGET_LONG, HOST_LONG_BITS can be determined by the C preprocessor. It is also not used in Makefiles. So there is no need to calculate it in configure, and it can be defined in qemu-common.h. Signed-off-by: Stefan Weil <sw@weilnetz.de>
407 lines
11 KiB
C
407 lines
11 KiB
C
/* Common header file that is included by all of qemu. */
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#ifndef QEMU_COMMON_H
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#define QEMU_COMMON_H
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#include "compiler.h"
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#include "config-host.h"
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#if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
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#define WORDS_ALIGNED
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#endif
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#define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR)
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typedef struct QEMUTimer QEMUTimer;
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typedef struct QEMUFile QEMUFile;
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typedef struct DeviceState DeviceState;
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struct Monitor;
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typedef struct Monitor Monitor;
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/* we put basic includes here to avoid repeating them in device drivers */
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdarg.h>
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#include <stdbool.h>
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#include <string.h>
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#include <strings.h>
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#include <inttypes.h>
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#include <limits.h>
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#include <time.h>
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#include <ctype.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <sys/time.h>
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#include <assert.h>
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#include <signal.h>
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#include <glib.h>
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#ifdef _WIN32
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#include "qemu-os-win32.h"
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#endif
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#ifdef CONFIG_POSIX
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#include "qemu-os-posix.h"
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#endif
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#ifndef O_LARGEFILE
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#define O_LARGEFILE 0
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#endif
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#ifndef O_BINARY
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#define O_BINARY 0
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#endif
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#ifndef MAP_ANONYMOUS
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#define MAP_ANONYMOUS MAP_ANON
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#endif
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#ifndef ENOMEDIUM
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#define ENOMEDIUM ENODEV
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#endif
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#if !defined(ENOTSUP)
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#define ENOTSUP 4096
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#endif
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#ifndef TIME_MAX
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#define TIME_MAX LONG_MAX
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#endif
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/* HOST_LONG_BITS is the size of a native pointer in bits. */
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#if UINTPTR_MAX == UINT32_MAX
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# define HOST_LONG_BITS 32
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#elif UINTPTR_MAX == UINT64_MAX
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# define HOST_LONG_BITS 64
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#else
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# error Unknown pointer size
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#endif
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#ifndef CONFIG_IOVEC
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#define CONFIG_IOVEC
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struct iovec {
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void *iov_base;
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size_t iov_len;
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};
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/*
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* Use the same value as Linux for now.
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*/
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#define IOV_MAX 1024
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#else
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#include <sys/uio.h>
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#endif
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typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
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GCC_FMT_ATTR(2, 3);
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#ifdef _WIN32
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#define fsync _commit
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#define lseek _lseeki64
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int qemu_ftruncate64(int, int64_t);
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#define ftruncate qemu_ftruncate64
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static inline char *realpath(const char *path, char *resolved_path)
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{
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_fullpath(resolved_path, path, _MAX_PATH);
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return resolved_path;
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}
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#endif
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/* icount */
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void configure_icount(const char *option);
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extern int use_icount;
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/* FIXME: Remove NEED_CPU_H. */
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#ifndef NEED_CPU_H
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#include "osdep.h"
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#include "bswap.h"
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#else
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#include "cpu.h"
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#endif /* !defined(NEED_CPU_H) */
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/* main function, renamed */
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#if defined(CONFIG_COCOA)
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int qemu_main(int argc, char **argv, char **envp);
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#endif
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void qemu_get_timedate(struct tm *tm, int offset);
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int qemu_timedate_diff(struct tm *tm);
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/* cutils.c */
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void pstrcpy(char *buf, int buf_size, const char *str);
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char *pstrcat(char *buf, int buf_size, const char *s);
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int strstart(const char *str, const char *val, const char **ptr);
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int stristart(const char *str, const char *val, const char **ptr);
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int qemu_strnlen(const char *s, int max_len);
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time_t mktimegm(struct tm *tm);
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int qemu_fls(int i);
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int qemu_fdatasync(int fd);
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int fcntl_setfl(int fd, int flag);
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int qemu_parse_fd(const char *param);
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/*
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* strtosz() suffixes used to specify the default treatment of an
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* argument passed to strtosz() without an explicit suffix.
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* These should be defined using upper case characters in the range
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* A-Z, as strtosz() will use qemu_toupper() on the given argument
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* prior to comparison.
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*/
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#define STRTOSZ_DEFSUFFIX_TB 'T'
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#define STRTOSZ_DEFSUFFIX_GB 'G'
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#define STRTOSZ_DEFSUFFIX_MB 'M'
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#define STRTOSZ_DEFSUFFIX_KB 'K'
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#define STRTOSZ_DEFSUFFIX_B 'B'
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int64_t strtosz(const char *nptr, char **end);
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int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix);
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int64_t strtosz_suffix_unit(const char *nptr, char **end,
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const char default_suffix, int64_t unit);
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/* path.c */
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void init_paths(const char *prefix);
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const char *path(const char *pathname);
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#define qemu_isalnum(c) isalnum((unsigned char)(c))
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#define qemu_isalpha(c) isalpha((unsigned char)(c))
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#define qemu_iscntrl(c) iscntrl((unsigned char)(c))
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#define qemu_isdigit(c) isdigit((unsigned char)(c))
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#define qemu_isgraph(c) isgraph((unsigned char)(c))
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#define qemu_islower(c) islower((unsigned char)(c))
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#define qemu_isprint(c) isprint((unsigned char)(c))
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#define qemu_ispunct(c) ispunct((unsigned char)(c))
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#define qemu_isspace(c) isspace((unsigned char)(c))
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#define qemu_isupper(c) isupper((unsigned char)(c))
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#define qemu_isxdigit(c) isxdigit((unsigned char)(c))
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#define qemu_tolower(c) tolower((unsigned char)(c))
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#define qemu_toupper(c) toupper((unsigned char)(c))
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#define qemu_isascii(c) isascii((unsigned char)(c))
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#define qemu_toascii(c) toascii((unsigned char)(c))
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void *qemu_oom_check(void *ptr);
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int qemu_open(const char *name, int flags, ...);
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ssize_t qemu_write_full(int fd, const void *buf, size_t count)
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QEMU_WARN_UNUSED_RESULT;
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ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags)
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QEMU_WARN_UNUSED_RESULT;
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ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags)
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QEMU_WARN_UNUSED_RESULT;
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void qemu_set_cloexec(int fd);
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#ifndef _WIN32
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int qemu_eventfd(int pipefd[2]);
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int qemu_pipe(int pipefd[2]);
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#endif
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#ifdef _WIN32
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#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
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#else
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#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
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#endif
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int qemu_recvv(int sockfd, struct iovec *iov, int len, int iov_offset);
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int qemu_sendv(int sockfd, struct iovec *iov, int len, int iov_offset);
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/* Error handling. */
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void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
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struct ParallelIOArg {
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void *buffer;
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int count;
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};
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typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size);
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/* A load of opaque types so that device init declarations don't have to
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pull in all the real definitions. */
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typedef struct NICInfo NICInfo;
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typedef struct HCIInfo HCIInfo;
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typedef struct AudioState AudioState;
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typedef struct BlockDriverState BlockDriverState;
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typedef struct DriveInfo DriveInfo;
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typedef struct DisplayState DisplayState;
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typedef struct DisplayChangeListener DisplayChangeListener;
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typedef struct DisplaySurface DisplaySurface;
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typedef struct DisplayAllocator DisplayAllocator;
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typedef struct PixelFormat PixelFormat;
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typedef struct TextConsole TextConsole;
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typedef TextConsole QEMUConsole;
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typedef struct CharDriverState CharDriverState;
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typedef struct MACAddr MACAddr;
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typedef struct VLANState VLANState;
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typedef struct VLANClientState VLANClientState;
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typedef struct i2c_bus i2c_bus;
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typedef struct i2c_slave i2c_slave;
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typedef struct ISABus ISABus;
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typedef struct SMBusDevice SMBusDevice;
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typedef struct PCIHostState PCIHostState;
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typedef struct PCIExpressHost PCIExpressHost;
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typedef struct PCIBus PCIBus;
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typedef struct PCIDevice PCIDevice;
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typedef struct PCIExpressDevice PCIExpressDevice;
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typedef struct PCIBridge PCIBridge;
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typedef struct PCIEAERMsg PCIEAERMsg;
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typedef struct PCIEAERLog PCIEAERLog;
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typedef struct PCIEAERErr PCIEAERErr;
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typedef struct PCIEPort PCIEPort;
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typedef struct PCIESlot PCIESlot;
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typedef struct SerialState SerialState;
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typedef struct IRQState *qemu_irq;
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typedef struct PCMCIACardState PCMCIACardState;
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typedef struct MouseTransformInfo MouseTransformInfo;
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typedef struct uWireSlave uWireSlave;
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typedef struct I2SCodec I2SCodec;
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typedef struct SSIBus SSIBus;
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typedef struct EventNotifier EventNotifier;
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typedef struct VirtIODevice VirtIODevice;
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typedef struct QEMUSGList QEMUSGList;
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typedef uint64_t pcibus_t;
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typedef enum LostTickPolicy {
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LOST_TICK_DISCARD,
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LOST_TICK_DELAY,
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LOST_TICK_MERGE,
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LOST_TICK_SLEW,
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LOST_TICK_MAX
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} LostTickPolicy;
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void tcg_exec_init(unsigned long tb_size);
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bool tcg_enabled(void);
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void cpu_exec_init_all(void);
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/* CPU save/load. */
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void cpu_save(QEMUFile *f, void *opaque);
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int cpu_load(QEMUFile *f, void *opaque, int version_id);
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/* Unblock cpu */
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void qemu_cpu_kick(void *env);
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void qemu_cpu_kick_self(void);
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int qemu_cpu_is_self(void *env);
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bool all_cpu_threads_idle(void);
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/* work queue */
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struct qemu_work_item {
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struct qemu_work_item *next;
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void (*func)(void *data);
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void *data;
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int done;
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};
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#ifdef CONFIG_USER_ONLY
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#define qemu_init_vcpu(env) do { } while (0)
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#else
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void qemu_init_vcpu(void *env);
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#endif
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/**
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* Sends an iovec (or optionally a part of it) down a socket, yielding
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* when the socket is full.
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*/
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int qemu_co_sendv(int sockfd, struct iovec *iov,
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int len, int iov_offset);
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/**
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* Receives data into an iovec (or optionally into a part of it) from
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* a socket, yielding when there is no data in the socket.
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*/
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int qemu_co_recvv(int sockfd, struct iovec *iov,
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int len, int iov_offset);
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/**
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* Sends a buffer down a socket, yielding when the socket is full.
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*/
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int qemu_co_send(int sockfd, void *buf, int len);
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/**
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* Receives data into a buffer from a socket, yielding when there
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* is no data in the socket.
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*/
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int qemu_co_recv(int sockfd, void *buf, int len);
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typedef struct QEMUIOVector {
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struct iovec *iov;
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int niov;
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int nalloc;
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size_t size;
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} QEMUIOVector;
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void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint);
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void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov);
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void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len);
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void qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip,
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size_t size);
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void qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size);
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void qemu_iovec_destroy(QEMUIOVector *qiov);
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void qemu_iovec_reset(QEMUIOVector *qiov);
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void qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf);
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void qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count);
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void qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count);
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void qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count,
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size_t skip);
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bool buffer_is_zero(const void *buf, size_t len);
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void qemu_progress_init(int enabled, float min_skip);
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void qemu_progress_end(void);
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void qemu_progress_print(float delta, int max);
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#define QEMU_FILE_TYPE_BIOS 0
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#define QEMU_FILE_TYPE_KEYMAP 1
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char *qemu_find_file(int type, const char *name);
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/* OS specific functions */
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void os_setup_early_signal_handling(void);
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char *os_find_datadir(const char *argv0);
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void os_parse_cmd_args(int index, const char *optarg);
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void os_pidfile_error(void);
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/* Convert a byte between binary and BCD. */
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static inline uint8_t to_bcd(uint8_t val)
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{
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return ((val / 10) << 4) | (val % 10);
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}
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static inline uint8_t from_bcd(uint8_t val)
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{
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return ((val >> 4) * 10) + (val & 0x0f);
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}
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/* compute with 96 bit intermediate result: (a*b)/c */
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static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c)
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{
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union {
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uint64_t ll;
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struct {
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#ifdef HOST_WORDS_BIGENDIAN
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uint32_t high, low;
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#else
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uint32_t low, high;
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#endif
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} l;
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} u, res;
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uint64_t rl, rh;
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u.ll = a;
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rl = (uint64_t)u.l.low * (uint64_t)b;
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rh = (uint64_t)u.l.high * (uint64_t)b;
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rh += (rl >> 32);
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res.l.high = rh / c;
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res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c;
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return res.ll;
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}
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/* Round number down to multiple */
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#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
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/* Round number up to multiple */
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#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m))
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#include "module.h"
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#endif
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