Skip to content
Find file
Fetching contributors…
Cannot retrieve contributors at this time
277 lines (239 sloc) 6.96 KB
/*
* QEMU System Emulator
*
* Copyright (c) 2003-2008 Fabrice Bellard
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
/* the following is needed on Linux to define ptsname() in stdlib.h */
#if defined(__linux__)
#define _GNU_SOURCE 1
#endif
#ifndef _WIN32
#include <sys/wait.h>
#endif // _WIN32
#ifdef _WIN32
#include <windows.h>
#include <sys/timeb.h>
#endif
#include "qemu-common.h"
#include "net.h"
#include "console.h"
#include "qemu-timer.h"
#include "qemu-char.h"
#include "block.h"
#include "sockets.h"
#include "audio/audio.h"
#include "android/android.h"
#include "charpipe.h"
#include "android/globals.h"
#include "android/utils/bufprint.h"
#include "android/utils/system.h"
#include "android/protocol/core-connection.h"
#include "android/protocol/attach-ui-impl.h"
#include "android/protocol/fb-updates-impl.h"
#include "android/protocol/user-events-proxy.h"
#include "android/protocol/core-commands-proxy.h"
#include "android/protocol/ui-commands-impl.h"
#include "android/qemulator.h"
static Looper* mainLooper;
/***********************************************************/
/* I/O handling */
typedef struct IOHandlerRecord {
LoopIo io[1];
IOHandler* fd_read;
IOHandler* fd_write;
int running;
int deleted;
void* opaque;
struct IOHandlerRecord *next;
} IOHandlerRecord;
static IOHandlerRecord *first_io_handler;
static void ioh_callback(void* opaque, int fd, unsigned events)
{
IOHandlerRecord* ioh = opaque;
ioh->running = 1;
if ((events & LOOP_IO_READ) != 0) {
ioh->fd_read(ioh->opaque);
}
if (!ioh->deleted && (events & LOOP_IO_WRITE) != 0) {
ioh->fd_write(ioh->opaque);
}
ioh->running = 0;
if (ioh->deleted) {
loopIo_done(ioh->io);
free(ioh);
}
}
int qemu_set_fd_handler(int fd,
IOHandler *fd_read,
IOHandler *fd_write,
void *opaque)
{
IOHandlerRecord **pioh, *ioh;
if (!fd_read && !fd_write) {
pioh = &first_io_handler;
for(;;) {
ioh = *pioh;
if (ioh == NULL)
return 0;
if (ioh->io->fd == fd) {
break;
}
pioh = &ioh->next;
}
if (ioh->running) {
ioh->deleted = 1;
} else {
*pioh = ioh->next;
loopIo_done(ioh->io);
free(ioh);
}
} else {
for(ioh = first_io_handler; ioh != NULL; ioh = ioh->next) {
if (ioh->io->fd == fd)
goto found;
}
ANEW0(ioh);
ioh->next = first_io_handler;
first_io_handler = ioh;
loopIo_init(ioh->io, mainLooper, fd, ioh_callback, ioh);
found:
ioh->fd_read = fd_read;
ioh->fd_write = fd_write;
ioh->opaque = opaque;
if (fd_read != NULL)
loopIo_wantRead(ioh->io);
else
loopIo_dontWantRead(ioh->io);
if (fd_write != NULL)
loopIo_wantWrite(ioh->io);
else
loopIo_dontWantWrite(ioh->io);
}
return 0;
}
/***********************************************************/
/* main execution loop */
static LoopTimer gui_timer[1];
static void gui_update(void *opaque)
{
LoopTimer* timer = opaque;
qframebuffer_pulse();
loopTimer_startRelative(timer, GUI_REFRESH_INTERVAL);
}
static void init_gui_timer(Looper* looper)
{
loopTimer_init(gui_timer, looper, gui_update, gui_timer);
loopTimer_startRelative(gui_timer, 0);
qframebuffer_invalidate_all();
}
/* Called from qemulator.c */
void qemu_system_shutdown_request(void)
{
looper_forceQuit(mainLooper);
}
#ifndef _WIN32
static void termsig_handler(int signal)
{
qemu_system_shutdown_request();
}
static void sigchld_handler(int signal)
{
waitpid(-1, NULL, WNOHANG);
}
static void sighandler_setup(void)
{
struct sigaction act;
memset(&act, 0, sizeof(act));
act.sa_handler = termsig_handler;
sigaction(SIGINT, &act, NULL);
sigaction(SIGHUP, &act, NULL);
sigaction(SIGTERM, &act, NULL);
act.sa_handler = sigchld_handler;
act.sa_flags = SA_NOCLDSTOP;
sigaction(SIGCHLD, &act, NULL);
}
#endif
#ifdef _WIN32
static BOOL WINAPI qemu_ctrl_handler(DWORD type)
{
exit(STATUS_CONTROL_C_EXIT);
return TRUE;
}
#endif
int qemu_main(int argc, char **argv, char **envp)
{
#ifndef _WIN32
{
struct sigaction act;
sigfillset(&act.sa_mask);
act.sa_flags = 0;
act.sa_handler = SIG_IGN;
sigaction(SIGPIPE, &act, NULL);
}
#else
SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
/* Note: cpu_interrupt() is currently not SMP safe, so we force
QEMU to run on a single CPU */
{
HANDLE h;
DWORD mask, smask;
int i;
h = GetCurrentProcess();
if (GetProcessAffinityMask(h, &mask, &smask)) {
for(i = 0; i < 32; i++) {
if (mask & (1 << i))
break;
}
if (i != 32) {
mask = 1 << i;
SetProcessAffinityMask(h, mask);
}
}
}
#endif
#ifdef _WIN32
socket_init();
#endif
#ifndef _WIN32
/* must be after terminal init, SDL library changes signal handlers */
sighandler_setup();
#endif
mainLooper = looper_newGeneric();
/* Register a timer to call qframebuffer_pulse periodically */
init_gui_timer(mainLooper);
// Connect to the core's framebuffer service
if (fbUpdatesImpl_create(attachUiImpl_get_console_socket(), "-raw",
qemulator_get_first_framebuffer(qemulator_get()),
mainLooper)) {
return -1;
}
// Attach the recepient of UI commands.
if (uiCmdImpl_create(attachUiImpl_get_console_socket(), mainLooper)) {
return -1;
}
looper_run(mainLooper);
fbUpdatesImpl_destroy();
userEventsProxy_destroy();
coreCmdProxy_destroy();
uiCmdImpl_destroy();
attachUiImpl_destroy();
return 0;
}
Something went wrong with that request. Please try again.