diff options
Diffstat (limited to 'contrib/qemu/include/qemu-common.h')
| -rw-r--r-- | contrib/qemu/include/qemu-common.h | 478 |
1 files changed, 0 insertions, 478 deletions
diff --git a/contrib/qemu/include/qemu-common.h b/contrib/qemu/include/qemu-common.h deleted file mode 100644 index 6948bb91774..00000000000 --- a/contrib/qemu/include/qemu-common.h +++ /dev/null @@ -1,478 +0,0 @@ - -/* Common header file that is included by all of QEMU. - * - * This file is supposed to be included only by .c files. No header file should - * depend on qemu-common.h, as this would easily lead to circular header - * dependencies. - * - * If a header file uses a definition from qemu-common.h, that definition - * must be moved to a separate header file, and the header that uses it - * must include that header. - */ -#ifndef QEMU_COMMON_H -#define QEMU_COMMON_H - -#include "qemu/compiler.h" -#include "config-host.h" -#include "qemu/typedefs.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) - -/* 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-compat.h" - -#ifdef _WIN32 -#include "sysemu/os-win32.h" -#endif - -#ifdef CONFIG_POSIX -#include "sysemu/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 -#if !defined(ECANCELED) -#define ECANCELED 4097 -#endif -#if !defined(EMEDIUMTYPE) -#define EMEDIUMTYPE 4098 -#endif -#ifndef TIME_MAX -#define TIME_MAX LONG_MAX -#endif - -/* HOST_LONG_BITS is the size of a native pointer in bits. */ -#if UINTPTR_MAX == UINT32_MAX -# define HOST_LONG_BITS 32 -#elif UINTPTR_MAX == UINT64_MAX -# define HOST_LONG_BITS 64 -#else -# error Unknown pointer size -#endif - -typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) - GCC_FMT_ATTR(2, 3); - -#ifdef _WIN32 -#define fsync _commit -#if !defined(lseek) -# define lseek _lseeki64 -#endif -int qemu_ftruncate64(int, int64_t); -#if !defined(ftruncate) -# define ftruncate qemu_ftruncate64 -#endif - -static inline char *realpath(const char *path, char *resolved_path) -{ - _fullpath(resolved_path, path, _MAX_PATH); - return resolved_path; -} -#endif - -/* icount */ -void configure_icount(const char *option); -extern int use_icount; - -#include "qemu/osdep.h" -#include "qemu/bswap.h" - -/* FIXME: Remove NEED_CPU_H. */ -#ifdef NEED_CPU_H -#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 - -void qemu_get_timedate(struct tm *tm, int offset); -int qemu_timedate_diff(struct tm *tm); - -#if !GLIB_CHECK_VERSION(2, 20, 0) -/* - * Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly - * on older systems. - */ -static inline gint g_poll(GPollFD *fds, guint nfds, gint timeout) -{ - GMainContext *ctx = g_main_context_default(); - return g_main_context_get_poll_func(ctx)(fds, nfds, timeout); -} -#endif - -/** - * is_help_option: - * @s: string to test - * - * Check whether @s is one of the standard strings which indicate - * that the user is asking for a list of the valid values for a - * command option like -cpu or -M. The current accepted strings - * are 'help' and '?'. '?' is deprecated (it is a shell wildcard - * which makes it annoying to use in a reliable way) but provided - * for backwards compatibility. - * - * Returns: true if @s is a request for a list. - */ -static inline bool is_help_option(const char *s) -{ - return !strcmp(s, "?") || !strcmp(s, "help"); -} - -/* cutils.c */ -void pstrcpy(char *buf, int buf_size, const char *str); -void strpadcpy(char *buf, int buf_size, const char *str, char pad); -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); -char *qemu_strsep(char **input, const char *delim); -time_t mktimegm(struct tm *tm); -int qemu_fls(int i); -int qemu_fdatasync(int fd); -int fcntl_setfl(int fd, int flag); -int qemu_parse_fd(const char *param); - -int parse_uint(const char *s, unsigned long long *value, char **endptr, - int base); -int parse_uint_full(const char *s, unsigned long long *value, int base); - -/* - * 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_EB 'E' -#define STRTOSZ_DEFSUFFIX_PB 'P' -#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); - -ssize_t qemu_write_full(int fd, const void *buf, size_t count) - QEMU_WARN_UNUSED_RESULT; -ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags) - QEMU_WARN_UNUSED_RESULT; -ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags) - QEMU_WARN_UNUSED_RESULT; - -#ifndef _WIN32 -int qemu_pipe(int pipefd[2]); -/* like openpty() but also makes it raw; return master fd */ -int qemu_openpty_raw(int *aslave, char *pty_name); -#endif - -#ifdef _WIN32 -/* MinGW needs type casts for the 'buf' and 'optval' arguments. */ -#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \ - getsockopt(sockfd, level, optname, (void *)optval, optlen) -#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \ - setsockopt(sockfd, level, optname, (const void *)optval, optlen) -#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags) -#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \ - sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen) -#else -#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \ - getsockopt(sockfd, level, optname, optval, optlen) -#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \ - setsockopt(sockfd, level, optname, optval, optlen) -#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags) -#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \ - sendto(sockfd, buf, len, flags, destaddr, addrlen) -#endif - -/* Error handling. */ - -void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); - -struct ParallelIOArg { - void *buffer; - int count; -}; - -typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); - -typedef uint64_t pcibus_t; - -typedef enum LostTickPolicy { - LOST_TICK_DISCARD, - LOST_TICK_DELAY, - LOST_TICK_MERGE, - LOST_TICK_SLEW, - LOST_TICK_MAX -} LostTickPolicy; - -typedef struct PCIHostDeviceAddress { - unsigned int domain; - unsigned int bus; - unsigned int slot; - unsigned int function; -} PCIHostDeviceAddress; - -void tcg_exec_init(unsigned long tb_size); -bool tcg_enabled(void); - -void cpu_exec_init_all(void); - -/* CPU save/load. */ -#ifdef CPU_SAVE_VERSION -void cpu_save(QEMUFile *f, void *opaque); -int cpu_load(QEMUFile *f, void *opaque, int version_id); -#endif - -/* Unblock cpu */ -void qemu_cpu_kick_self(void); - -/* work queue */ -struct qemu_work_item { - struct qemu_work_item *next; - void (*func)(void *data); - void *data; - int done; - bool free; -}; - - -/** - * Sends a (part of) iovec down a socket, yielding when the socket is full, or - * Receives data into a (part of) iovec from a socket, - * yielding when there is no data in the socket. - * The same interface as qemu_sendv_recvv(), with added yielding. - * XXX should mark these as coroutine_fn - */ -ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt, - size_t offset, size_t bytes, bool do_send); -#define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \ - qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false) -#define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \ - qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true) - -/** - * The same as above, but with just a single buffer - */ -ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send); -#define qemu_co_recv(sockfd, buf, bytes) \ - qemu_co_send_recv(sockfd, buf, bytes, false) -#define qemu_co_send(sockfd, buf, bytes) \ - qemu_co_send_recv(sockfd, buf, bytes, true) - -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_concat(QEMUIOVector *dst, - QEMUIOVector *src, size_t soffset, size_t sbytes); -void qemu_iovec_concat_iov(QEMUIOVector *dst, - struct iovec *src_iov, unsigned int src_cnt, - size_t soffset, size_t sbytes); -void qemu_iovec_destroy(QEMUIOVector *qiov); -void qemu_iovec_reset(QEMUIOVector *qiov); -size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset, - void *buf, size_t bytes); -size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, - const void *buf, size_t bytes); -size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, - int fillc, size_t bytes); - -bool buffer_is_zero(const void *buf, size_t len); - -void qemu_progress_init(int enabled, float min_skip); -void qemu_progress_end(void); -void qemu_progress_print(float delta, int max); -const char *qemu_get_vm_name(void); - -#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; -} - -/* Round number down to multiple */ -#define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m)) - -/* Round number up to multiple */ -#define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m)) - -static inline bool is_power_of_2(uint64_t value) -{ - if (!value) { - return 0; - } - - return !(value & (value - 1)); -} - -/* round down to the nearest power of 2*/ -int64_t pow2floor(int64_t value); - -#include "qemu/module.h" - -/* - * Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128) - * Input is limited to 14-bit numbers - */ - -int uleb128_encode_small(uint8_t *out, uint32_t n); -int uleb128_decode_small(const uint8_t *in, uint32_t *n); - -/* unicode.c */ -int mod_utf8_codepoint(const char *s, size_t n, char **end); - -/* - * Hexdump a buffer to a file. An optional string prefix is added to every line - */ - -void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size); - -/* vector definitions */ -#ifdef __ALTIVEC__ -#include <altivec.h> -/* The altivec.h header says we're allowed to undef these for - * C++ compatibility. Here we don't care about C++, but we - * undef them anyway to avoid namespace pollution. - */ -#undef vector -#undef pixel -#undef bool -#define VECTYPE __vector unsigned char -#define SPLAT(p) vec_splat(vec_ld(0, p), 0) -#define ALL_EQ(v1, v2) vec_all_eq(v1, v2) -/* altivec.h may redefine the bool macro as vector type. - * Reset it to POSIX semantics. */ -#define bool _Bool -#elif defined __SSE2__ -#include <emmintrin.h> -#define VECTYPE __m128i -#define SPLAT(p) _mm_set1_epi8(*(p)) -#define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) -#else -#define VECTYPE unsigned long -#define SPLAT(p) (*(p) * (~0UL / 255)) -#define ALL_EQ(v1, v2) ((v1) == (v2)) -#endif - -#define BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR 8 -static inline bool -can_use_buffer_find_nonzero_offset(const void *buf, size_t len) -{ - return (len % (BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR - * sizeof(VECTYPE)) == 0 - && ((uintptr_t) buf) % sizeof(VECTYPE) == 0); -} -size_t buffer_find_nonzero_offset(const void *buf, size_t len); - -/* - * helper to parse debug environment variables - */ -int parse_debug_env(const char *name, int max, int initial); - -#endif |