qemu-common.h revision aa8236dc1b1ea300ab18716db5b8fab42aca3ca7
18b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Common header file that is included by all of qemu. */ 28b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef QEMU_COMMON_H 38b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define QEMU_COMMON_H 48b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 56a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#include "config-host.h" 66a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner 75d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define QEMU_NORETURN __attribute__ ((__noreturn__)) 86a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#ifdef CONFIG_GCC_ATTRIBUTE_WARN_UNUSED_RESULT 96a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result)) 106a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#else 116a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#define QEMU_WARN_UNUSED_RESULT 126a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#endif 136a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner 146a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#define QEMU_BUILD_BUG_ON(x) typedef char __build_bug_on__##__LINE__[(x)?-1:1]; 156a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner 166a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turnertypedef struct QEMUTimer QEMUTimer; 176a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turnertypedef struct QEMUFile QEMUFile; 186a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turnertypedef struct QEMUBH QEMUBH; 196a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turnertypedef struct DeviceState DeviceState; 205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnerstruct Monitor; 2245c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnertypedef struct Monitor Monitor; 235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* we put basic includes here to avoid repeating them in device drivers */ 258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <stdlib.h> 268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <stdio.h> 278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <stdarg.h> 286a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turner#include <stdbool.h> 298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <string.h> 305d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#include <strings.h> 318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <inttypes.h> 328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <limits.h> 338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <time.h> 348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <ctype.h> 358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <errno.h> 368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <unistd.h> 378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <fcntl.h> 388b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <sys/stat.h> 3945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#include <sys/time.h> 405d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#include <assert.h> 418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 42aa8236dc1b1ea300ab18716db5b8fab42aca3ca7David 'Digit' Turner#include <glib.h> 43aa8236dc1b1ea300ab18716db5b8fab42aca3ca7David 'Digit' Turner 4445c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#ifdef _WIN32 45057b0f638014d1cb6764aab945b98197329f745eDavid 'Digit' Turner#include "sysemu/os-win32.h" 4645c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#endif 4745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 4845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#ifdef CONFIG_POSIX 49057b0f638014d1cb6764aab945b98197329f745eDavid 'Digit' Turner#include "sysemu/os-posix.h" 5045c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#endif 5145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef O_LARGEFILE 538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define O_LARGEFILE 0 548b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef O_BINARY 568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define O_BINARY 0 578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 58d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#ifndef MAP_ANONYMOUS 59d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#define MAP_ANONYMOUS MAP_ANON 60d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#endif 618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef ENOMEDIUM 628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ENOMEDIUM ENODEV 638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 64d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#if !defined(ENOTSUP) 65d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#define ENOTSUP 4096 66d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#endif 6745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#ifndef TIME_MAX 6845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define TIME_MAX LONG_MAX 6945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#endif 708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 713d66dc7c08acb3802bf803abca68ac5fb36582b4David 'Digit' Turner#ifndef CONFIG_IOVEC 723d66dc7c08acb3802bf803abca68ac5fb36582b4David 'Digit' Turner#define CONFIG_IOVEC 735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerstruct iovec { 745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner void *iov_base; 755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner size_t iov_len; 765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner}; 77d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner/* 78d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner * Use the same value as Linux for now. 79d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner */ 80d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#define IOV_MAX 1024 815d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 825d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#include <sys/uio.h> 835d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 845d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 8545c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#if defined __GNUC__ 8645c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# if (__GNUC__ < 4) || \ 8745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner defined(__GNUC_MINOR__) && (__GNUC__ == 4) && (__GNUC_MINOR__ < 4) 8845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner /* gcc versions before 4.4.x don't support gnu_printf, so use printf. */ 8945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# define GCC_ATTR __attribute__((__unused__, format(printf, 1, 2))) 9045c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m))) 9145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# else 9245c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner /* Use gnu_printf when supported (qemu uses standard format strings). */ 9345c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# define GCC_ATTR __attribute__((__unused__, format(gnu_printf, 1, 2))) 9445c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m))) 9545c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner# endif 9645c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#else 9745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define GCC_ATTR /**/ 9845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define GCC_FMT_ATTR(n, m) 9945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#endif 10045c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 10145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnertypedef int (*fprintf_function)(FILE *f, const char *fmt, ...) 10245c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner GCC_FMT_ATTR(2, 3); 10345c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 1048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifdef _WIN32 1058b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define fsync _commit 1068b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define lseek _lseeki64 10745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnerint qemu_ftruncate64(int, int64_t); 1088b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define ftruncate qemu_ftruncate64 1098b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1108b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstatic inline char *realpath(const char *path, char *resolved_path) 1118b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project{ 1128b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project _fullpath(resolved_path, path, _MAX_PATH); 1138b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project return resolved_path; 1148b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project} 1158b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1168b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define PRId64 "I64d" 1178b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define PRIx64 "I64x" 1188b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define PRIu64 "I64u" 1198b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#define PRIo64 "I64o" 1208b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 1218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1228b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* FIXME: Remove NEED_CPU_H. */ 1238b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#ifndef NEED_CPU_H 1248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include <setjmp.h> 126845691383dd6a0ff71acf7aee0736adba350f6a9David 'Digit' Turner#include "qemu/osdep.h" 1276e9d1d4fc96a32fbac14d3e489cce32f5c69ade1David 'Digit' Turner#include "qemu/bswap.h" 1288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1298b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#else 1308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#include "cpu.h" 1328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1338b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif /* !defined(NEED_CPU_H) */ 1348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* bottom halves */ 1368b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef void QEMUBHFunc(void *opaque); 1378b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 138d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid async_context_push(void); 139d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid async_context_pop(void); 140d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerint get_async_context_id(void); 141d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 1428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source ProjectQEMUBH *qemu_bh_new(QEMUBHFunc *cb, void *opaque); 1438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid qemu_bh_schedule(QEMUBH *bh); 1445d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner/* Bottom halfs that are scheduled from a bottom half handler are instantly 1455d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * invoked. This can create an infinite loop if a bottom half handler 1465d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * schedules itself. qemu_bh_schedule_idle() avoids this infinite loop by 1475d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * ensuring that the bottom half isn't executed until the next main loop 1485d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner * iteration. 1495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner */ 1505d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_bh_schedule_idle(QEMUBH *bh); 1518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid qemu_bh_cancel(QEMUBH *bh); 1528b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid qemu_bh_delete(QEMUBH *bh); 1538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint qemu_bh_poll(void); 154d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid qemu_bh_update_timeout(int *timeout); 1558b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1568b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid qemu_get_timedate(struct tm *tm, int offset); 1578b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint qemu_timedate_diff(struct tm *tm); 1588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 1598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* cutils.c */ 1608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid pstrcpy(char *buf, int buf_size, const char *str); 1618b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectchar *pstrcat(char *buf, int buf_size, const char *s); 1628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint strstart(const char *str, const char *val, const char **ptr); 1638b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint stristart(const char *str, const char *val, const char **ptr); 164fd3b1a0e32964436a5259e073857e0c4e2110122David 'Digit' Turnerint qemu_strnlen(const char *s, int max_len); 1658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttime_t mktimegm(struct tm *tm); 1665d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerint qemu_fls(int i); 167fd3b1a0e32964436a5259e073857e0c4e2110122David 'Digit' Turnerint qemu_fdatasync(int fd); 1686a9ef1773bf874dea493ff3861782a1e577b67ddDavid Turnerint fcntl_setfl(int fd, int flag); 1695d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 17045c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner/* 17145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner * strtosz() suffixes used to specify the default treatment of an 17245c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner * argument passed to strtosz() without an explicit suffix. 17345c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner * These should be defined using upper case characters in the range 17445c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner * A-Z, as strtosz() will use qemu_toupper() on the given argument 17545c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner * prior to comparison. 17645c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner */ 17745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define STRTOSZ_DEFSUFFIX_TB 'T' 17845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define STRTOSZ_DEFSUFFIX_GB 'G' 17945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define STRTOSZ_DEFSUFFIX_MB 'M' 18045c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define STRTOSZ_DEFSUFFIX_KB 'K' 18145c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#define STRTOSZ_DEFSUFFIX_B 'B' 18245c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnerint64_t strtosz(const char *nptr, char **end); 18345c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnerint64_t strtosz_suffix(const char *nptr, char **end, const char default_suffix); 18445c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 185b91980562344f6a3b719bfe4be007fa9406e585fDavid Turner/* path.c */ 186b91980562344f6a3b719bfe4be007fa9406e585fDavid Turnervoid init_paths(const char *prefix); 187b91980562344f6a3b719bfe4be007fa9406e585fDavid Turnerconst char *path(const char *pathname); 188b91980562344f6a3b719bfe4be007fa9406e585fDavid Turner 1895d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isalnum(c) isalnum((unsigned char)(c)) 1905d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isalpha(c) isalpha((unsigned char)(c)) 1915d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_iscntrl(c) iscntrl((unsigned char)(c)) 1925d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isdigit(c) isdigit((unsigned char)(c)) 1935d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isgraph(c) isgraph((unsigned char)(c)) 1945d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_islower(c) islower((unsigned char)(c)) 1955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isprint(c) isprint((unsigned char)(c)) 1965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_ispunct(c) ispunct((unsigned char)(c)) 1975d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isspace(c) isspace((unsigned char)(c)) 1985d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isupper(c) isupper((unsigned char)(c)) 1995d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isxdigit(c) isxdigit((unsigned char)(c)) 2005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_tolower(c) tolower((unsigned char)(c)) 2015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_toupper(c) toupper((unsigned char)(c)) 2025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_isascii(c) isascii((unsigned char)(c)) 2035d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_toascii(c) toascii((unsigned char)(c)) 2048b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 20545c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#ifdef _WIN32 20645c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner/* ffs() in oslib-win32.c for WIN32, strings.h for the rest of the world */ 20745c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnerint ffs(int i); 20845c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner#endif 20945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turner 210d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid qemu_mutex_lock_iothread(void); 211d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid qemu_mutex_unlock_iothread(void); 212d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 213d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerint qemu_open(const char *name, int flags, ...); 214d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerssize_t qemu_write_full(int fd, const void *buf, size_t count) 215d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner QEMU_WARN_UNUSED_RESULT; 216d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid qemu_set_cloexec(int fd); 217d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 218d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#ifndef _WIN32 2198354d2d35fe4463816dcc52a96fa354940fdd38fDavid 'Digit' Turnerint qemu_add_child_watch(pid_t pid); 220d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerint qemu_eventfd(int pipefd[2]); 221d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerint qemu_pipe(int pipefd[2]); 222d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner#endif 223d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 2248b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid *get_mmap_addr(unsigned long size); 2258b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2268b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2278b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* Error handling. */ 2288b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 22945c3be00d4c1f85ba8bbf34827c024fbc636725fDavid 'Digit' Turnervoid QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2); 2308b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2318b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* IO callbacks. */ 2328b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef void IOReadHandler(void *opaque, const uint8_t *buf, int size); 2334143d8f4c302878923bde0cb2420f4ca27245bcdDavid Turnertypedef int IOCanReadHandler(void *opaque); 2348b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef void IOHandler(void *opaque); 2358b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2368354d2d35fe4463816dcc52a96fa354940fdd38fDavid 'Digit' Turnervoid qemu_iohandler_fill(int *pnfds, fd_set *readfds, fd_set *writefds, fd_set *xfds); 2378354d2d35fe4463816dcc52a96fa354940fdd38fDavid 'Digit' Turnervoid qemu_iohandler_poll(fd_set *readfds, fd_set *writefds, fd_set *xfds, int rc); 2388354d2d35fe4463816dcc52a96fa354940fdd38fDavid 'Digit' Turner 2398b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectstruct ParallelIOArg { 2408b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project void *buffer; 2418b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project int count; 2428b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project}; 2438b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2448b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef int (*DMA_transfer_handler) (void *opaque, int nchan, int pos, int size); 2458b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2468b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* A load of opaque types so that device init declarations don't have to 2478b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project pull in all the real definitions. */ 2488b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct NICInfo NICInfo; 2495d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct HCIInfo HCIInfo; 2508b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct AudioState AudioState; 2518b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct BlockDriverState BlockDriverState; 252d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct DriveInfo DriveInfo; 2538b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct DisplayState DisplayState; 2545d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct DisplayChangeListener DisplayChangeListener; 2555d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct DisplaySurface DisplaySurface; 2565d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct DisplayAllocator DisplayAllocator; 2575d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct PixelFormat PixelFormat; 2588b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct TextConsole TextConsole; 2598b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef TextConsole QEMUConsole; 2608b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct CharDriverState CharDriverState; 261d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct MACAddr MACAddr; 2628b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct VLANState VLANState; 263d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct VLANClientState VLANClientState; 2648b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct i2c_bus i2c_bus; 2658b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct i2c_slave i2c_slave; 2668b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct SMBusDevice SMBusDevice; 267d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct PCIHostState PCIHostState; 268d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct PCIExpressHost PCIExpressHost; 2698b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct PCIBus PCIBus; 2708b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct PCIDevice PCIDevice; 2718b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct SerialState SerialState; 2728b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projecttypedef struct IRQState *qemu_irq; 2735d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct PCMCIACardState PCMCIACardState; 2745d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct MouseTransformInfo MouseTransformInfo; 2755d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct uWireSlave uWireSlave; 2765d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct I2SCodec I2SCodec; 2775d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct SSIBus SSIBus; 278d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct EventNotifier EventNotifier; 279d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef struct VirtIODevice VirtIODevice; 280d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 281d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef uint64_t pcibus_t; 282d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 283d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnertypedef enum { 284d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner IF_NONE, 285d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner IF_IDE, IF_SCSI, IF_FLOPPY, IF_PFLASH, IF_MTD, IF_SD, IF_VIRTIO, IF_XEN, 286d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner IF_COUNT 287d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner} BlockInterfaceType; 288d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 289d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid cpu_exec_init_all(unsigned long tb_size); 2908b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2918b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project/* CPU save/load. */ 2928b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectvoid cpu_save(QEMUFile *f, void *opaque); 2938b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Projectint cpu_load(QEMUFile *f, void *opaque, int version_id); 2948b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project 2955d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner/* Force QEMU to stop what it's doing and service IO */ 2965d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_service_io(void); 2975d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 2985d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner/* Force QEMU to process pending events */ 2995d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_notify_event(void); 3005d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 3015d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner/* Unblock cpu */ 3025d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_cpu_kick(void *env); 3035d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnerint qemu_cpu_self(void *env); 3045d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 305d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner/* work queue */ 306d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerstruct qemu_work_item { 307d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner struct qemu_work_item *next; 308d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner void (*func)(void *data); 309d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner void *data; 310d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner int done; 311d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner}; 312d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 3135d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#ifdef CONFIG_USER_ONLY 3145d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#define qemu_init_vcpu(env) do { } while (0) 3155d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#else 3165d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_init_vcpu(void *env); 3175d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner#endif 3185d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 3195d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnertypedef struct QEMUIOVector { 3205d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner struct iovec *iov; 3215d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int niov; 3225d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner int nalloc; 3235d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner size_t size; 3245d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner} QEMUIOVector; 3255d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 3265d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_init(QEMUIOVector *qiov, int alloc_hint); 3275d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_init_external(QEMUIOVector *qiov, struct iovec *iov, int niov); 3285d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_add(QEMUIOVector *qiov, void *base, size_t len); 329795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turnervoid qemu_iovec_copy(QEMUIOVector *dst, QEMUIOVector *src, uint64_t skip, 330795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner size_t size); 331d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnervoid qemu_iovec_concat(QEMUIOVector *dst, QEMUIOVector *src, size_t size); 3325d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_destroy(QEMUIOVector *qiov); 3335d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_reset(QEMUIOVector *qiov); 3345d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_to_buffer(QEMUIOVector *qiov, void *buf); 3355d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turnervoid qemu_iovec_from_buffer(QEMUIOVector *qiov, const void *buf, size_t count); 336795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turnervoid qemu_iovec_memset(QEMUIOVector *qiov, int c, size_t count); 337795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turnervoid qemu_iovec_memset_skip(QEMUIOVector *qiov, int c, size_t count, 338795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner size_t skip); 3395d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 340c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turner/* OS specific functions */ 341c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turnervoid os_setup_early_signal_handling(void); 342c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turnerchar *os_find_datadir(const char *argv0); 343c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turnervoid os_parse_cmd_args(int index, const char *optarg); 344c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turnervoid os_pidfile_error(void); 345c1ac40a3f493bebe160a441faf36cc9b28b9f205David 'Digit' Turner 346d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner/* Convert a byte between binary and BCD. */ 347d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerstatic inline uint8_t to_bcd(uint8_t val) 348d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner{ 349d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner return ((val / 10) << 4) | (val % 10); 350d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner} 351d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 352d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turnerstatic inline uint8_t from_bcd(uint8_t val) 353d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner{ 354d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner return ((val >> 4) * 10) + (val & 0x0f); 355d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner} 356d06599430ac907d1a89bbfda4bf3621f909aac8eDavid Turner 357795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner/* compute with 96 bit intermediate result: (a*b)/c */ 358795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turnerstatic inline uint64_t muldiv64(uint64_t a, uint32_t b, uint32_t c) 359795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner{ 360795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner union { 361795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner uint64_t ll; 362795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner struct { 363795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner#ifdef HOST_WORDS_BIGENDIAN 364795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner uint32_t high, low; 365795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner#else 366795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner uint32_t low, high; 367795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner#endif 368795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner } l; 369795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner } u, res; 370795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner uint64_t rl, rh; 371795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner 372795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner u.ll = a; 373795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner rl = (uint64_t)u.l.low * (uint64_t)b; 374795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner rh = (uint64_t)u.l.high * (uint64_t)b; 375795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner rh += (rl >> 32); 376795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner res.l.high = rh / c; 377795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner res.l.low = (((rh % c) << 32) + (rl & 0xffffffff)) / c; 378795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner return res.ll; 379795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner} 380795bb19daea966401df15bbf23c57b98848eec23David 'Digit' Turner 381e90d665cd63a0bc5c3306e1ee3e98ad362546b16David 'Digit' Turner#include "qemu/module.h" 3825d8f37ad78fc66901af50c762029a501561f3b23David 'Digit' Turner 383f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turnertypedef enum DisplayType 384f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner{ 385f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner DT_DEFAULT, 386f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner DT_CURSES, 387f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner DT_SDL, 388f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner DT_VNC, 389f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner DT_NOGRAPHIC, 390f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner} DisplayType; 391f59442f0e576abe1f1357135024d44e8bf66a36aDavid 'Digit' Turner 39210bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine/* 39310bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine * A fixer for timeout value passed to select() on Mac. The issue is that Mac's 39410bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine * version of select() will return EINVAL on timeouts larger than 100000000 39510bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine * seconds, even though it should have just clamped it. So, for Mac we should 39610bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine * make sure that timeout value is bound to 100000000 seconds before passing it 39710bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine * to select(). 39810bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine */ 39910bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine#if _DARWIN_C_SOURCE 40010bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine#define CLAMP_MAC_TIMEOUT(to) do { if (to > 100000000000LL) to = 100000000000LL; } while (0) 40110bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine#else 40210bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine#define CLAMP_MAC_TIMEOUT(to) ((void)0) 40310bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine#endif // _DARWIN_C_SOURCE 40410bc04fd968d7f80258bf1eec665babf28e9e47dVladimir Chtchetkine 4050b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#if defined(__clang__) || defined(__llvm__) 4060b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh/* Clang and llvm-gcc don't support global register variable (GRV). 4070b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh Clang issues compile-time error for GRV. llvm-gcc accepts GRV (because 4080b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh its front-end is gcc) but ignores it in the llvm-based back-end. 4090b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh Undefining GRV decl to allow external/qemu and the rest of Android 4100b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh to compile. But emulator built w/o GRV support will not function 4110b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh correctly. User will be greeted with an error message (issued 4120b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh in tcg/tcg.c) when emulator built this way is launched. 4130b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh */ 4140b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#define SUPPORT_GLOBAL_REGISTER_VARIABLE 0 4150b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#define GLOBAL_REGISTER_VARIABLE_DECL 4160b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#else 4170b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#define SUPPORT_GLOBAL_REGISTER_VARIABLE 1 4180b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#define GLOBAL_REGISTER_VARIABLE_DECL register 4190b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh#endif /* __clang__ || __llvm__ */ 4200b3979707c09e058442c22d046b326ce244edda1Andrew Hsieh 4218b23a6c7e1aee255004dd19098d4c2462b61b849The Android Open Source Project#endif 422