root / include / qemu-common.h @ 10f5bff6
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1 | 9fb26641 | Orit Wasserman | |
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2 | 04509ad9 | Eduardo Habkost | /* Common header file that is included by all of QEMU.
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3 | 04509ad9 | Eduardo Habkost | *
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4 | 04509ad9 | Eduardo Habkost | * This file is supposed to be included only by .c files. No header file should
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5 | 04509ad9 | Eduardo Habkost | * depend on qemu-common.h, as this would easily lead to circular header
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6 | 04509ad9 | Eduardo Habkost | * dependencies.
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7 | 04509ad9 | Eduardo Habkost | *
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8 | 04509ad9 | Eduardo Habkost | * If a header file uses a definition from qemu-common.h, that definition
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9 | 04509ad9 | Eduardo Habkost | * must be moved to a separate header file, and the header that uses it
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10 | 04509ad9 | Eduardo Habkost | * must include that header.
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11 | 04509ad9 | Eduardo Habkost | */
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12 | faf07963 | pbrook | #ifndef QEMU_COMMON_H
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13 | faf07963 | pbrook | #define QEMU_COMMON_H
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14 | faf07963 | pbrook | |
15 | 1de7afc9 | Paolo Bonzini | #include "qemu/compiler.h" |
16 | beb6f0de | Kevin Wolf | #include "config-host.h" |
17 | 1de7afc9 | Paolo Bonzini | #include "qemu/typedefs.h" |
18 | beb6f0de | Kevin Wolf | |
19 | 332ae28d | Paolo Bonzini | #if defined(__arm__) || defined(__sparc__) || defined(__mips__) || defined(__hppa__) || defined(__ia64__)
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20 | 332ae28d | Paolo Bonzini | #define WORDS_ALIGNED
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21 | 332ae28d | Paolo Bonzini | #endif
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22 | 332ae28d | Paolo Bonzini | |
23 | 082b5557 | Blue Swirl | #define TFR(expr) do { if ((expr) != -1) break; } while (errno == EINTR) |
24 | 24ebf5f3 | Paolo Bonzini | |
25 | faf07963 | pbrook | /* we put basic includes here to avoid repeating them in device drivers */
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26 | faf07963 | pbrook | #include <stdlib.h> |
27 | faf07963 | pbrook | #include <stdio.h> |
28 | faf07963 | pbrook | #include <stdarg.h> |
29 | 11165820 | Paul Brook | #include <stdbool.h> |
30 | faf07963 | pbrook | #include <string.h> |
31 | c8906845 | balrog | #include <strings.h> |
32 | faf07963 | pbrook | #include <inttypes.h> |
33 | faf07963 | pbrook | #include <limits.h> |
34 | faf07963 | pbrook | #include <time.h> |
35 | faf07963 | pbrook | #include <ctype.h> |
36 | faf07963 | pbrook | #include <errno.h> |
37 | faf07963 | pbrook | #include <unistd.h> |
38 | faf07963 | pbrook | #include <fcntl.h> |
39 | faf07963 | pbrook | #include <sys/stat.h> |
40 | dcfd0865 | Hervé Poussineau | #include <sys/time.h> |
41 | 55616505 | Paul Brook | #include <assert.h> |
42 | 86f69a92 | Alexandre Raymond | #include <signal.h> |
43 | d63c9477 | Anthony Liguori | #include "glib-compat.h" |
44 | faf07963 | pbrook | |
45 | 082b5557 | Blue Swirl | #ifdef _WIN32
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46 | 9c17d615 | Paolo Bonzini | #include "sysemu/os-win32.h" |
47 | 082b5557 | Blue Swirl | #endif
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48 | 082b5557 | Blue Swirl | |
49 | 082b5557 | Blue Swirl | #ifdef CONFIG_POSIX
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50 | 9c17d615 | Paolo Bonzini | #include "sysemu/os-posix.h" |
51 | 082b5557 | Blue Swirl | #endif
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52 | 082b5557 | Blue Swirl | |
53 | faf07963 | pbrook | #ifndef O_LARGEFILE
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54 | faf07963 | pbrook | #define O_LARGEFILE 0 |
55 | faf07963 | pbrook | #endif
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56 | faf07963 | pbrook | #ifndef O_BINARY
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57 | faf07963 | pbrook | #define O_BINARY 0 |
58 | faf07963 | pbrook | #endif
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59 | 0e74e66b | Juan Quintela | #ifndef MAP_ANONYMOUS
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60 | 0e74e66b | Juan Quintela | #define MAP_ANONYMOUS MAP_ANON
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61 | 0e74e66b | Juan Quintela | #endif
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62 | faf07963 | pbrook | #ifndef ENOMEDIUM
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63 | faf07963 | pbrook | #define ENOMEDIUM ENODEV
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64 | faf07963 | pbrook | #endif
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65 | 4c955388 | Anthony Liguori | #if !defined(ENOTSUP)
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66 | 2880bc32 | Juan Quintela | #define ENOTSUP 4096 |
67 | 2880bc32 | Juan Quintela | #endif
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68 | 2084a8e3 | Paolo Bonzini | #if !defined(ECANCELED)
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69 | 2084a8e3 | Paolo Bonzini | #define ECANCELED 4097 |
70 | 2084a8e3 | Paolo Bonzini | #endif
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71 | 02582abd | Stefan Weil | #if !defined(EMEDIUMTYPE)
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72 | 02582abd | Stefan Weil | #define EMEDIUMTYPE 4098 |
73 | 02582abd | Stefan Weil | #endif
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74 | 3c9405a0 | Gerd Hoffmann | #ifndef TIME_MAX
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75 | 3c9405a0 | Gerd Hoffmann | #define TIME_MAX LONG_MAX
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76 | 3c9405a0 | Gerd Hoffmann | #endif
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77 | faf07963 | pbrook | |
78 | c0fd260e | Stefan Weil | /* HOST_LONG_BITS is the size of a native pointer in bits. */
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79 | c0fd260e | Stefan Weil | #if UINTPTR_MAX == UINT32_MAX
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80 | c0fd260e | Stefan Weil | # define HOST_LONG_BITS 32 |
81 | c0fd260e | Stefan Weil | #elif UINTPTR_MAX == UINT64_MAX
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82 | c0fd260e | Stefan Weil | # define HOST_LONG_BITS 64 |
83 | c0fd260e | Stefan Weil | #else
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84 | c0fd260e | Stefan Weil | # error Unknown pointer size
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85 | c0fd260e | Stefan Weil | #endif
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86 | c0fd260e | Stefan Weil | |
87 | f868445a | Stefan Weil | typedef int (*fprintf_function)(FILE *f, const char *fmt, ...) |
88 | f868445a | Stefan Weil | GCC_FMT_ATTR(2, 3); |
89 | f868445a | Stefan Weil | |
90 | faf07963 | pbrook | #ifdef _WIN32
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91 | faf07963 | pbrook | #define fsync _commit
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92 | 371c6489 | Stefan Weil | #if !defined(lseek)
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93 | 371c6489 | Stefan Weil | # define lseek _lseeki64
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94 | 371c6489 | Stefan Weil | #endif
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95 | 64b85a8f | Blue Swirl | int qemu_ftruncate64(int, int64_t); |
96 | 371c6489 | Stefan Weil | #if !defined(ftruncate)
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97 | 371c6489 | Stefan Weil | # define ftruncate qemu_ftruncate64
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98 | 371c6489 | Stefan Weil | #endif
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99 | faf07963 | pbrook | |
100 | faf07963 | pbrook | static inline char *realpath(const char *path, char *resolved_path) |
101 | faf07963 | pbrook | { |
102 | faf07963 | pbrook | _fullpath(resolved_path, path, _MAX_PATH); |
103 | faf07963 | pbrook | return resolved_path;
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104 | faf07963 | pbrook | } |
105 | faf07963 | pbrook | #endif
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106 | faf07963 | pbrook | |
107 | 946fb27c | Paolo Bonzini | /* icount */
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108 | 946fb27c | Paolo Bonzini | void configure_icount(const char *option); |
109 | 946fb27c | Paolo Bonzini | extern int use_icount; |
110 | 946fb27c | Paolo Bonzini | |
111 | 1de7afc9 | Paolo Bonzini | #include "qemu/osdep.h" |
112 | 1de7afc9 | Paolo Bonzini | #include "qemu/bswap.h" |
113 | faf07963 | pbrook | |
114 | 9adea5f7 | Paolo Bonzini | /* FIXME: Remove NEED_CPU_H. */
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115 | 9adea5f7 | Paolo Bonzini | #ifdef NEED_CPU_H
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116 | faf07963 | pbrook | #include "cpu.h" |
117 | faf07963 | pbrook | #endif /* !defined(NEED_CPU_H) */ |
118 | faf07963 | pbrook | |
119 | 3bbbee18 | Andreas Färber | /* main function, renamed */
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120 | 3bbbee18 | Andreas Färber | #if defined(CONFIG_COCOA)
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121 | 3bbbee18 | Andreas Färber | int qemu_main(int argc, char **argv, char **envp); |
122 | 3bbbee18 | Andreas Färber | #endif
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123 | 3bbbee18 | Andreas Färber | |
124 | f6503059 | balrog | void qemu_get_timedate(struct tm *tm, int offset); |
125 | f6503059 | balrog | int qemu_timedate_diff(struct tm *tm); |
126 | f6503059 | balrog | |
127 | 31e76f65 | Alexander Graf | #if !GLIB_CHECK_VERSION(2, 20, 0) |
128 | 31e76f65 | Alexander Graf | /*
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129 | 31e76f65 | Alexander Graf | * Glib before 2.20.0 doesn't implement g_poll, so wrap it to compile properly
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130 | 31e76f65 | Alexander Graf | * on older systems.
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131 | 31e76f65 | Alexander Graf | */
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132 | 31e76f65 | Alexander Graf | static inline gint g_poll(GPollFD *fds, guint nfds, gint timeout) |
133 | 31e76f65 | Alexander Graf | { |
134 | 31e76f65 | Alexander Graf | GMainContext *ctx = g_main_context_default(); |
135 | 31e76f65 | Alexander Graf | return g_main_context_get_poll_func(ctx)(fds, nfds, timeout);
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136 | 31e76f65 | Alexander Graf | } |
137 | 31e76f65 | Alexander Graf | #endif
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138 | 31e76f65 | Alexander Graf | |
139 | c8057f95 | Peter Maydell | /**
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140 | c8057f95 | Peter Maydell | * is_help_option:
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141 | c8057f95 | Peter Maydell | * @s: string to test
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142 | c8057f95 | Peter Maydell | *
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143 | c8057f95 | Peter Maydell | * Check whether @s is one of the standard strings which indicate
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144 | c8057f95 | Peter Maydell | * that the user is asking for a list of the valid values for a
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145 | c8057f95 | Peter Maydell | * command option like -cpu or -M. The current accepted strings
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146 | c8057f95 | Peter Maydell | * are 'help' and '?'. '?' is deprecated (it is a shell wildcard
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147 | c8057f95 | Peter Maydell | * which makes it annoying to use in a reliable way) but provided
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148 | c8057f95 | Peter Maydell | * for backwards compatibility.
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149 | c8057f95 | Peter Maydell | *
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150 | c8057f95 | Peter Maydell | * Returns: true if @s is a request for a list.
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151 | c8057f95 | Peter Maydell | */
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152 | c8057f95 | Peter Maydell | static inline bool is_help_option(const char *s) |
153 | c8057f95 | Peter Maydell | { |
154 | c8057f95 | Peter Maydell | return !strcmp(s, "?") || !strcmp(s, "help"); |
155 | c8057f95 | Peter Maydell | } |
156 | c8057f95 | Peter Maydell | |
157 | faf07963 | pbrook | /* cutils.c */
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158 | faf07963 | pbrook | void pstrcpy(char *buf, int buf_size, const char *str); |
159 | 2a025ae4 | Dmitry Fleytman | void strpadcpy(char *buf, int buf_size, const char *str, char pad); |
160 | faf07963 | pbrook | char *pstrcat(char *buf, int buf_size, const char *s); |
161 | faf07963 | pbrook | int strstart(const char *str, const char *val, const char **ptr); |
162 | faf07963 | pbrook | int stristart(const char *str, const char *val, const char **ptr); |
163 | d43277c5 | Blue Swirl | int qemu_strnlen(const char *s, int max_len); |
164 | a38ed811 | Kevin Wolf | char *qemu_strsep(char **input, const char *delim); |
165 | faf07963 | pbrook | time_t mktimegm(struct tm *tm);
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166 | ad46db9a | blueswir1 | int qemu_fls(int i); |
167 | 6f1953c4 | Christoph Hellwig | int qemu_fdatasync(int fd); |
168 | db1a4972 | Paolo Bonzini | int fcntl_setfl(int fd, int flag); |
169 | 443916d1 | Stefan Berger | int qemu_parse_fd(const char *param); |
170 | d8427002 | Jes Sorensen | |
171 | e3f9fe2d | Eduardo Habkost | int parse_uint(const char *s, unsigned long long *value, char **endptr, |
172 | e3f9fe2d | Eduardo Habkost | int base);
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173 | e3f9fe2d | Eduardo Habkost | int parse_uint_full(const char *s, unsigned long long *value, int base); |
174 | e3f9fe2d | Eduardo Habkost | |
175 | d7142456 | Jes Sorensen | /*
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176 | d7142456 | Jes Sorensen | * strtosz() suffixes used to specify the default treatment of an
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177 | d7142456 | Jes Sorensen | * argument passed to strtosz() without an explicit suffix.
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178 | d7142456 | Jes Sorensen | * These should be defined using upper case characters in the range
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179 | d7142456 | Jes Sorensen | * A-Z, as strtosz() will use qemu_toupper() on the given argument
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180 | d7142456 | Jes Sorensen | * prior to comparison.
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181 | d7142456 | Jes Sorensen | */
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182 | 5e00984a | Kevin Wolf | #define STRTOSZ_DEFSUFFIX_EB 'E' |
183 | 5e00984a | Kevin Wolf | #define STRTOSZ_DEFSUFFIX_PB 'P' |
184 | d8427002 | Jes Sorensen | #define STRTOSZ_DEFSUFFIX_TB 'T' |
185 | d8427002 | Jes Sorensen | #define STRTOSZ_DEFSUFFIX_GB 'G' |
186 | d8427002 | Jes Sorensen | #define STRTOSZ_DEFSUFFIX_MB 'M' |
187 | d8427002 | Jes Sorensen | #define STRTOSZ_DEFSUFFIX_KB 'K' |
188 | d8427002 | Jes Sorensen | #define STRTOSZ_DEFSUFFIX_B 'B' |
189 | 70b4f4bb | Jes Sorensen | int64_t strtosz(const char *nptr, char **end); |
190 | 70b4f4bb | Jes Sorensen | int64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); |
191 | a732e1ba | Joerg Roedel | int64_t strtosz_suffix_unit(const char *nptr, char **end, |
192 | a732e1ba | Joerg Roedel | const char default_suffix, int64_t unit); |
193 | faf07963 | pbrook | |
194 | 44e3e053 | Wenchao Xia | /* used to print char* safely */
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195 | 44e3e053 | Wenchao Xia | #define STR_OR_NULL(str) ((str) ? (str) : "null") |
196 | 44e3e053 | Wenchao Xia | |
197 | 37022086 | Blue Swirl | /* path.c */
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198 | 37022086 | Blue Swirl | void init_paths(const char *prefix); |
199 | 37022086 | Blue Swirl | const char *path(const char *pathname); |
200 | 37022086 | Blue Swirl | |
201 | cd390083 | blueswir1 | #define qemu_isalnum(c) isalnum((unsigned char)(c)) |
202 | cd390083 | blueswir1 | #define qemu_isalpha(c) isalpha((unsigned char)(c)) |
203 | cd390083 | blueswir1 | #define qemu_iscntrl(c) iscntrl((unsigned char)(c)) |
204 | cd390083 | blueswir1 | #define qemu_isdigit(c) isdigit((unsigned char)(c)) |
205 | cd390083 | blueswir1 | #define qemu_isgraph(c) isgraph((unsigned char)(c)) |
206 | cd390083 | blueswir1 | #define qemu_islower(c) islower((unsigned char)(c)) |
207 | cd390083 | blueswir1 | #define qemu_isprint(c) isprint((unsigned char)(c)) |
208 | cd390083 | blueswir1 | #define qemu_ispunct(c) ispunct((unsigned char)(c)) |
209 | cd390083 | blueswir1 | #define qemu_isspace(c) isspace((unsigned char)(c)) |
210 | cd390083 | blueswir1 | #define qemu_isupper(c) isupper((unsigned char)(c)) |
211 | cd390083 | blueswir1 | #define qemu_isxdigit(c) isxdigit((unsigned char)(c)) |
212 | cd390083 | blueswir1 | #define qemu_tolower(c) tolower((unsigned char)(c)) |
213 | cd390083 | blueswir1 | #define qemu_toupper(c) toupper((unsigned char)(c)) |
214 | cd390083 | blueswir1 | #define qemu_isascii(c) isascii((unsigned char)(c)) |
215 | cd390083 | blueswir1 | #define qemu_toascii(c) toascii((unsigned char)(c)) |
216 | cd390083 | blueswir1 | |
217 | b152aa84 | Jes Sorensen | void *qemu_oom_check(void *ptr); |
218 | ca10f867 | aurel32 | |
219 | 7c7c0629 | Juan Quintela | ssize_t qemu_write_full(int fd, const void *buf, size_t count) |
220 | 7c7c0629 | Juan Quintela | QEMU_WARN_UNUSED_RESULT; |
221 | 993295fe | Paolo Bonzini | ssize_t qemu_send_full(int fd, const void *buf, size_t count, int flags) |
222 | 993295fe | Paolo Bonzini | QEMU_WARN_UNUSED_RESULT; |
223 | 8c5135f9 | Paolo Bonzini | ssize_t qemu_recv_full(int fd, void *buf, size_t count, int flags) |
224 | 993295fe | Paolo Bonzini | QEMU_WARN_UNUSED_RESULT; |
225 | 40ff6d7e | Kevin Wolf | |
226 | 40ff6d7e | Kevin Wolf | #ifndef _WIN32
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227 | 40ff6d7e | Kevin Wolf | int qemu_pipe(int pipefd[2]); |
228 | 4efeabbb | Michael Tokarev | /* like openpty() but also makes it raw; return master fd */
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229 | 4efeabbb | Michael Tokarev | int qemu_openpty_raw(int *aslave, char *pty_name); |
230 | 40ff6d7e | Kevin Wolf | #endif
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231 | 40ff6d7e | Kevin Wolf | |
232 | 00aa0040 | Blue Swirl | #ifdef _WIN32
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233 | 58455eb9 | Stefan Weil | /* MinGW needs type casts for the 'buf' and 'optval' arguments. */
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234 | 58455eb9 | Stefan Weil | #define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
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235 | 58455eb9 | Stefan Weil | getsockopt(sockfd, level, optname, (void *)optval, optlen)
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236 | 58455eb9 | Stefan Weil | #define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
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237 | 58455eb9 | Stefan Weil | setsockopt(sockfd, level, optname, (const void *)optval, optlen) |
238 | 00aa0040 | Blue Swirl | #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags) |
239 | 73062dfe | Stefan Weil | #define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
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240 | 73062dfe | Stefan Weil | sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen) |
241 | 00aa0040 | Blue Swirl | #else
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242 | 58455eb9 | Stefan Weil | #define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
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243 | 58455eb9 | Stefan Weil | getsockopt(sockfd, level, optname, optval, optlen) |
244 | 58455eb9 | Stefan Weil | #define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
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245 | 58455eb9 | Stefan Weil | setsockopt(sockfd, level, optname, optval, optlen) |
246 | 00aa0040 | Blue Swirl | #define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
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247 | 73062dfe | Stefan Weil | #define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
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248 | 73062dfe | Stefan Weil | sendto(sockfd, buf, len, flags, destaddr, addrlen) |
249 | 00aa0040 | Blue Swirl | #endif
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250 | 00aa0040 | Blue Swirl | |
251 | 87ecb68b | pbrook | /* Error handling. */
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252 | 87ecb68b | pbrook | |
253 | e5924d89 | Stefan Weil | void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); |
254 | 87ecb68b | pbrook | |
255 | 87ecb68b | pbrook | struct ParallelIOArg {
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256 | 87ecb68b | pbrook | void *buffer;
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257 | 87ecb68b | pbrook | int count;
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258 | 87ecb68b | pbrook | }; |
259 | 87ecb68b | pbrook | |
260 | 87ecb68b | pbrook | typedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); |
261 | 87ecb68b | pbrook | |
262 | 186993ee | Michael S. Tsirkin | typedef uint64_t pcibus_t;
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263 | 186993ee | Michael S. Tsirkin | |
264 | 4e4fa398 | Jan Kiszka | typedef enum LostTickPolicy { |
265 | 4e4fa398 | Jan Kiszka | LOST_TICK_DISCARD, |
266 | 4e4fa398 | Jan Kiszka | LOST_TICK_DELAY, |
267 | 4e4fa398 | Jan Kiszka | LOST_TICK_MERGE, |
268 | 4e4fa398 | Jan Kiszka | LOST_TICK_SLEW, |
269 | 1ce05125 | Paolo Bonzini | LOST_TICK_MAX |
270 | 4e4fa398 | Jan Kiszka | } LostTickPolicy; |
271 | 4e4fa398 | Jan Kiszka | |
272 | 679042f0 | Anthony PERARD | typedef struct PCIHostDeviceAddress { |
273 | 679042f0 | Anthony PERARD | unsigned int domain; |
274 | 679042f0 | Anthony PERARD | unsigned int bus; |
275 | 679042f0 | Anthony PERARD | unsigned int slot; |
276 | 679042f0 | Anthony PERARD | unsigned int function; |
277 | 679042f0 | Anthony PERARD | } PCIHostDeviceAddress; |
278 | 679042f0 | Anthony PERARD | |
279 | d5ab9713 | Jan Kiszka | void tcg_exec_init(unsigned long tb_size); |
280 | d5ab9713 | Jan Kiszka | bool tcg_enabled(void); |
281 | d5ab9713 | Jan Kiszka | |
282 | d5ab9713 | Jan Kiszka | void cpu_exec_init_all(void); |
283 | d2053c3c | Blue Swirl | |
284 | b3c7724c | pbrook | /* CPU save/load. */
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285 | 8d0f2bae | Andreas Färber | #ifdef CPU_SAVE_VERSION
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286 | b3c7724c | pbrook | void cpu_save(QEMUFile *f, void *opaque); |
287 | b3c7724c | pbrook | int cpu_load(QEMUFile *f, void *opaque, int version_id); |
288 | 8d0f2bae | Andreas Färber | #endif
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289 | b3c7724c | pbrook | |
290 | 8edac960 | aliguori | /* Unblock cpu */
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291 | 46d62fac | Jan Kiszka | void qemu_cpu_kick_self(void); |
292 | 8edac960 | aliguori | |
293 | e82bcec2 | Marcelo Tosatti | /* work queue */
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294 | e82bcec2 | Marcelo Tosatti | struct qemu_work_item {
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295 | e82bcec2 | Marcelo Tosatti | struct qemu_work_item *next;
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296 | e82bcec2 | Marcelo Tosatti | void (*func)(void *data); |
297 | e82bcec2 | Marcelo Tosatti | void *data;
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298 | e82bcec2 | Marcelo Tosatti | int done;
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299 | 3c02270d | Chegu Vinod | bool free;
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300 | e82bcec2 | Marcelo Tosatti | }; |
301 | e82bcec2 | Marcelo Tosatti | |
302 | 8c5135f9 | Paolo Bonzini | |
303 | 8c5135f9 | Paolo Bonzini | /**
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304 | 2fc8ae1d | Michael Tokarev | * Sends a (part of) iovec down a socket, yielding when the socket is full, or
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305 | 2fc8ae1d | Michael Tokarev | * Receives data into a (part of) iovec from a socket,
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306 | 2fc8ae1d | Michael Tokarev | * yielding when there is no data in the socket.
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307 | 2fc8ae1d | Michael Tokarev | * The same interface as qemu_sendv_recvv(), with added yielding.
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308 | 2fc8ae1d | Michael Tokarev | * XXX should mark these as coroutine_fn
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309 | 8c5135f9 | Paolo Bonzini | */
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310 | 2fc8ae1d | Michael Tokarev | ssize_t qemu_co_sendv_recvv(int sockfd, struct iovec *iov, unsigned iov_cnt, |
311 | 2fc8ae1d | Michael Tokarev | size_t offset, size_t bytes, bool do_send);
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312 | 2fc8ae1d | Michael Tokarev | #define qemu_co_recvv(sockfd, iov, iov_cnt, offset, bytes) \
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313 | 2fc8ae1d | Michael Tokarev | qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, false)
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314 | 2fc8ae1d | Michael Tokarev | #define qemu_co_sendv(sockfd, iov, iov_cnt, offset, bytes) \
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315 | 2fc8ae1d | Michael Tokarev | qemu_co_sendv_recvv(sockfd, iov, iov_cnt, offset, bytes, true)
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316 | 8c5135f9 | Paolo Bonzini | |
317 | 8c5135f9 | Paolo Bonzini | /**
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318 | 2fc8ae1d | Michael Tokarev | * The same as above, but with just a single buffer
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319 | 8c5135f9 | Paolo Bonzini | */
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320 | 2fc8ae1d | Michael Tokarev | ssize_t qemu_co_send_recv(int sockfd, void *buf, size_t bytes, bool do_send); |
321 | 2fc8ae1d | Michael Tokarev | #define qemu_co_recv(sockfd, buf, bytes) \
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322 | 2fc8ae1d | Michael Tokarev | qemu_co_send_recv(sockfd, buf, bytes, false)
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323 | 2fc8ae1d | Michael Tokarev | #define qemu_co_send(sockfd, buf, bytes) \
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324 | 2fc8ae1d | Michael Tokarev | qemu_co_send_recv(sockfd, buf, bytes, true)
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325 | 8c5135f9 | Paolo Bonzini | |
326 | 44e3ee8a | aliguori | typedef struct QEMUIOVector { |
327 | 44e3ee8a | aliguori | struct iovec *iov;
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328 | 44e3ee8a | aliguori | int niov;
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329 | 44e3ee8a | aliguori | int nalloc;
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330 | 249aa745 | aliguori | size_t size; |
331 | 44e3ee8a | aliguori | } QEMUIOVector; |
332 | 44e3ee8a | aliguori | |
333 | 44e3ee8a | aliguori | void qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); |
334 | 522584a5 | aliguori | void qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); |
335 | 44e3ee8a | aliguori | void qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); |
336 | 1b093c48 | Michael Tokarev | void qemu_iovec_concat(QEMUIOVector *dst,
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337 | 1b093c48 | Michael Tokarev | QEMUIOVector *src, size_t soffset, size_t sbytes); |
338 | 530c0bbd | Stefan Hajnoczi | void qemu_iovec_concat_iov(QEMUIOVector *dst,
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339 | 530c0bbd | Stefan Hajnoczi | struct iovec *src_iov, unsigned int src_cnt, |
340 | 530c0bbd | Stefan Hajnoczi | size_t soffset, size_t sbytes); |
341 | 44e3ee8a | aliguori | void qemu_iovec_destroy(QEMUIOVector *qiov);
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342 | be959463 | aliguori | void qemu_iovec_reset(QEMUIOVector *qiov);
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343 | d5e6b161 | Michael Tokarev | size_t qemu_iovec_to_buf(QEMUIOVector *qiov, size_t offset, |
344 | d5e6b161 | Michael Tokarev | void *buf, size_t bytes);
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345 | 03396148 | Michael Tokarev | size_t qemu_iovec_from_buf(QEMUIOVector *qiov, size_t offset, |
346 | 03396148 | Michael Tokarev | const void *buf, size_t bytes); |
347 | 3d9b4925 | Michael Tokarev | size_t qemu_iovec_memset(QEMUIOVector *qiov, size_t offset, |
348 | 3d9b4925 | Michael Tokarev | int fillc, size_t bytes);
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349 | 44e3ee8a | aliguori | |
350 | 1a6d39fd | Stefan Hajnoczi | bool buffer_is_zero(const void *buf, size_t len); |
351 | 1a6d39fd | Stefan Hajnoczi | |
352 | 6b837bc4 | Jes Sorensen | void qemu_progress_init(int enabled, float min_skip); |
353 | 6b837bc4 | Jes Sorensen | void qemu_progress_end(void); |
354 | 3bfe4dbf | Jes Sorensen | void qemu_progress_print(float delta, int max); |
355 | 31459f46 | Ronnie Sahlberg | const char *qemu_get_vm_name(void); |
356 | 6b837bc4 | Jes Sorensen | |
357 | 082b5557 | Blue Swirl | #define QEMU_FILE_TYPE_BIOS 0 |
358 | 082b5557 | Blue Swirl | #define QEMU_FILE_TYPE_KEYMAP 1 |
359 | 082b5557 | Blue Swirl | char *qemu_find_file(int type, const char *name); |
360 | 082b5557 | Blue Swirl | |
361 | 082b5557 | Blue Swirl | /* OS specific functions */
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362 | 082b5557 | Blue Swirl | void os_setup_early_signal_handling(void); |
363 | 10f5bff6 | Fam Zheng | char *os_find_datadir(void); |
364 | 082b5557 | Blue Swirl | void os_parse_cmd_args(int index, const char *optarg); |
365 | 082b5557 | Blue Swirl | void os_pidfile_error(void); |
366 | 082b5557 | Blue Swirl | |
367 | abd0c6bd | Paul Brook | /* Convert a byte between binary and BCD. */
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368 | abd0c6bd | Paul Brook | static inline uint8_t to_bcd(uint8_t val) |
369 | abd0c6bd | Paul Brook | { |
370 | abd0c6bd | Paul Brook | return ((val / 10) << 4) | (val % 10); |
371 | abd0c6bd | Paul Brook | } |
372 | abd0c6bd | Paul Brook | |
373 | abd0c6bd | Paul Brook | static inline uint8_t from_bcd(uint8_t val) |
374 | abd0c6bd | Paul Brook | { |
375 | abd0c6bd | Paul Brook | return ((val >> 4) * 10) + (val & 0x0f); |
376 | abd0c6bd | Paul Brook | } |
377 | abd0c6bd | Paul Brook | |
378 | 338b922e | malc | /* compute with 96 bit intermediate result: (a*b)/c */
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379 | 338b922e | malc | static inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) |
380 | 338b922e | malc | { |
381 | 338b922e | malc | union {
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382 | 338b922e | malc | uint64_t ll; |
383 | 338b922e | malc | struct {
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384 | 338b922e | malc | #ifdef HOST_WORDS_BIGENDIAN
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385 | 338b922e | malc | uint32_t high, low; |
386 | 338b922e | malc | #else
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387 | 338b922e | malc | uint32_t low, high; |
388 | 338b922e | malc | #endif
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389 | 338b922e | malc | } l; |
390 | 338b922e | malc | } u, res; |
391 | 338b922e | malc | uint64_t rl, rh; |
392 | 338b922e | malc | |
393 | 338b922e | malc | u.ll = a; |
394 | 338b922e | malc | rl = (uint64_t)u.l.low * (uint64_t)b; |
395 | 338b922e | malc | rh = (uint64_t)u.l.high * (uint64_t)b; |
396 | 338b922e | malc | rh += (rl >> 32);
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397 | 338b922e | malc | res.l.high = rh / c; |
398 | 338b922e | malc | res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; |
399 | 338b922e | malc | return res.ll;
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400 | 338b922e | malc | } |
401 | 338b922e | malc | |
402 | 3951690a | Stefan Hajnoczi | /* Round number down to multiple */
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403 | 3951690a | Stefan Hajnoczi | #define QEMU_ALIGN_DOWN(n, m) ((n) / (m) * (m))
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404 | 3951690a | Stefan Hajnoczi | |
405 | 3951690a | Stefan Hajnoczi | /* Round number up to multiple */
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406 | 3951690a | Stefan Hajnoczi | #define QEMU_ALIGN_UP(n, m) QEMU_ALIGN_DOWN((n) + (m) - 1, (m)) |
407 | 3951690a | Stefan Hajnoczi | |
408 | 9fb26641 | Orit Wasserman | static inline bool is_power_of_2(uint64_t value) |
409 | 9fb26641 | Orit Wasserman | { |
410 | 9fb26641 | Orit Wasserman | if (!value) {
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411 | 9fb26641 | Orit Wasserman | return 0; |
412 | 9fb26641 | Orit Wasserman | } |
413 | 9fb26641 | Orit Wasserman | |
414 | 9fb26641 | Orit Wasserman | return !(value & (value - 1)); |
415 | 9fb26641 | Orit Wasserman | } |
416 | 9fb26641 | Orit Wasserman | |
417 | 9fb26641 | Orit Wasserman | /* round down to the nearest power of 2*/
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418 | 9fb26641 | Orit Wasserman | int64_t pow2floor(int64_t value); |
419 | 9fb26641 | Orit Wasserman | |
420 | 1de7afc9 | Paolo Bonzini | #include "qemu/module.h" |
421 | 0bfe3ca5 | Anthony Liguori | |
422 | e6546bb9 | Orit Wasserman | /*
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423 | e6546bb9 | Orit Wasserman | * Implementation of ULEB128 (http://en.wikipedia.org/wiki/LEB128)
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424 | e6546bb9 | Orit Wasserman | * Input is limited to 14-bit numbers
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425 | e6546bb9 | Orit Wasserman | */
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426 | e6546bb9 | Orit Wasserman | |
427 | e6546bb9 | Orit Wasserman | int uleb128_encode_small(uint8_t *out, uint32_t n);
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428 | e6546bb9 | Orit Wasserman | int uleb128_decode_small(const uint8_t *in, uint32_t *n); |
429 | e6546bb9 | Orit Wasserman | |
430 | cb2744ea | Markus Armbruster | /* unicode.c */
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431 | cb2744ea | Markus Armbruster | int mod_utf8_codepoint(const char *s, size_t n, char **end); |
432 | cb2744ea | Markus Armbruster | |
433 | 6ff66f50 | Peter Crosthwaite | /*
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434 | 6ff66f50 | Peter Crosthwaite | * Hexdump a buffer to a file. An optional string prefix is added to every line
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435 | 6ff66f50 | Peter Crosthwaite | */
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436 | 6ff66f50 | Peter Crosthwaite | |
437 | 3568ac2a | Ed Maste | void qemu_hexdump(const char *buf, FILE *fp, const char *prefix, size_t size); |
438 | 6ff66f50 | Peter Crosthwaite | |
439 | c61ca00a | Peter Lieven | /* vector definitions */
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440 | c61ca00a | Peter Lieven | #ifdef __ALTIVEC__
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441 | c61ca00a | Peter Lieven | #include <altivec.h> |
442 | 8593e050 | Paolo Bonzini | /* The altivec.h header says we're allowed to undef these for
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443 | 8593e050 | Paolo Bonzini | * C++ compatibility. Here we don't care about C++, but we
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444 | 8593e050 | Paolo Bonzini | * undef them anyway to avoid namespace pollution.
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445 | 8593e050 | Paolo Bonzini | */
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446 | 8593e050 | Paolo Bonzini | #undef vector
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447 | 8593e050 | Paolo Bonzini | #undef pixel
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448 | 8593e050 | Paolo Bonzini | #undef bool |
449 | 8593e050 | Paolo Bonzini | #define VECTYPE __vector unsigned char |
450 | c61ca00a | Peter Lieven | #define SPLAT(p) vec_splat(vec_ld(0, p), 0) |
451 | c61ca00a | Peter Lieven | #define ALL_EQ(v1, v2) vec_all_eq(v1, v2)
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452 | c61ca00a | Peter Lieven | /* altivec.h may redefine the bool macro as vector type.
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453 | c61ca00a | Peter Lieven | * Reset it to POSIX semantics. */
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454 | c61ca00a | Peter Lieven | #define bool _Bool |
455 | c61ca00a | Peter Lieven | #elif defined __SSE2__
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456 | c61ca00a | Peter Lieven | #include <emmintrin.h> |
457 | c61ca00a | Peter Lieven | #define VECTYPE __m128i
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458 | c61ca00a | Peter Lieven | #define SPLAT(p) _mm_set1_epi8(*(p))
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459 | c61ca00a | Peter Lieven | #define ALL_EQ(v1, v2) (_mm_movemask_epi8(_mm_cmpeq_epi8(v1, v2)) == 0xFFFF) |
460 | c61ca00a | Peter Lieven | #else
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461 | c61ca00a | Peter Lieven | #define VECTYPE unsigned long |
462 | c61ca00a | Peter Lieven | #define SPLAT(p) (*(p) * (~0UL / 255)) |
463 | c61ca00a | Peter Lieven | #define ALL_EQ(v1, v2) ((v1) == (v2))
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464 | c61ca00a | Peter Lieven | #endif
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465 | c61ca00a | Peter Lieven | |
466 | 41a259bd | Peter Lieven | #define BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR 8 |
467 | 41a259bd | Peter Lieven | static inline bool |
468 | 41a259bd | Peter Lieven | can_use_buffer_find_nonzero_offset(const void *buf, size_t len) |
469 | 41a259bd | Peter Lieven | { |
470 | 41a259bd | Peter Lieven | return (len % (BUFFER_FIND_NONZERO_OFFSET_UNROLL_FACTOR
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471 | 41a259bd | Peter Lieven | * sizeof(VECTYPE)) == 0 |
472 | 41a259bd | Peter Lieven | && ((uintptr_t) buf) % sizeof(VECTYPE) == 0); |
473 | 41a259bd | Peter Lieven | } |
474 | 41a259bd | Peter Lieven | size_t buffer_find_nonzero_offset(const void *buf, size_t len); |
475 | 41a259bd | Peter Lieven | |
476 | b16352ac | Alon Levy | /*
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477 | b16352ac | Alon Levy | * helper to parse debug environment variables
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478 | b16352ac | Alon Levy | */
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479 | b16352ac | Alon Levy | int parse_debug_env(const char *name, int max, int initial); |
480 | b16352ac | Alon Levy | |
481 | faf07963 | pbrook | #endif |