static int do_cmdline(int argc, char *argv[])
{
int i;
char *inject_path = NULL;
char *mrom_dir = NULL;
int force_inject = 0;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d\n", VERSION_TRAMPOLINE);
fflush(stdout);
return 0;
}
else if(strstartswith(argv[i], "--inject="))
inject_path = argv[i] + strlen("--inject=");
else if(strstartswith(argv[i], "--mrom_dir="))
mrom_dir = argv[i] + strlen("--mrom_dir=");
else if(strcmp(argv[i], "-f") == 0)
force_inject = 1;
}
if(inject_path)
{
if(!mrom_dir)
{
printf("--mrom_dir=[path to multirom's data dir] needs to be specified!\n");
fflush(stdout);
return 1;
}
mrom_set_dir(mrom_dir);
mrom_set_log_tag("trampoline_inject");
return inject_bootimg(inject_path, force_inject);
}
printf("Usage: trampoline -v\n");
printf(" trampoline --inject=<path to boot.img> --mrom_dir=<path to multirom's data dir> [-f]\n");
return 1;
}
int nokexec_flash_to_primary(const char * source)
{
int res = 0;
// check trampoline no_kexec version and update if needed
struct boot_img_hdr hdr;
if (libbootimg_load_header(&hdr, source) < 0)
{
ERROR(NO_KEXEC_LOG_TEXT ": Could not open boot image (%s)!\n", nokexec_s.path_boot_mmcblk);
res = -1;
}
else
{
int trampoline_ver = 0;
if(strncmp((char*)hdr.name, "tr_ver", 6) == 0)
trampoline_ver = atoi((char*)hdr.name + 6);
if ((trampoline_ver != VERSION_TRAMPOLINE) || (hdr.name[BOOT_NAME_SIZE-2] != VERSION_NO_KEXEC))
{
// Trampolines in ROM boot images may get out of sync, so we need to check it and
// update if needed. I can't do that during ZIP installation because of USB drives.
if(inject_bootimg(source, 1) < 0)
{
ERROR(NO_KEXEC_LOG_TEXT ": Failed to inject bootimg!\n");
res = -1;
}
else
INFO(NO_KEXEC_LOG_TEXT ": Injected bootimg\n");
}
}
if (res == 0)
INFO(NO_KEXEC_LOG_TEXT ": flashing '%s' to boot partition; res=%d\n", source, res = copy_file(source, nokexec_s.path_boot_mmcblk));
return res;
}
int main(int argc, char *argv[])
{
int i, res;
static char *const cmd[] = { "/init", NULL };
struct fstab *fstab = NULL;
char *inject_path = NULL;
char *mrom_dir = NULL;
int force_inject = 0;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d\n", VERSION_TRAMPOLINE);
fflush(stdout);
return 0;
}
else if(strstartswith(argv[i], "--inject="))
inject_path = argv[i] + strlen("--inject=");
else if(strstartswith(argv[i], "--mrom_dir="))
mrom_dir = argv[i] + strlen("--mrom_dir=");
else if(strcmp(argv[i], "-f") == 0)
force_inject = 1;
}
if(inject_path)
{
if(!mrom_dir)
{
printf("--mrom_dir=[path to multirom's data dir] needs to be specified!\n");
fflush(stdout);
return 1;
}
mrom_set_dir(mrom_dir);
mrom_set_log_tag("trampoline_inject");
return inject_bootimg(inject_path, force_inject);
}
umask(000);
// Init only the little we need, leave the rest for real init
mkdir("/dev", 0755);
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mount("devpts", "/dev/pts", "devpts", 0, NULL);
mount("proc", "/proc", "proc", 0, NULL);
mount("sysfs", "/sys", "sysfs", 0, NULL);
mount("pstore", "/sys/fs/pstore", "pstore", 0, NULL);
#if MR_USE_DEBUGFS_MOUNT
// Mount the debugfs kernel sysfs
mkdir("/sys/kernel/debug", 0755);
mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
#endif
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("trampoline");
INFO("Running trampoline v%d\n", VERSION_TRAMPOLINE);
if(is_charger_mode())
{
INFO("Charger mode detected, skipping multirom\n");
goto run_main_init;
}
#if MR_DEVICE_HOOKS >= 3
tramp_hook_before_device_init();
#endif
INFO("Initializing devices...\n");
devices_init();
INFO("Done initializing\n");
if(wait_for_file("/dev/graphics/fb0", 5) < 0)
{
ERROR("Waiting too long for fb0");
goto exit;
}
#ifdef MR_POPULATE_BY_NAME_PATH
//nkk71 M7 hack
Populate_ByName_using_emmc();
#endif
fstab = fstab_auto_load();
if(!fstab)
goto exit;
#if 0
fstab_dump(fstab); //debug
#endif
// mount and run multirom from sdcard
if(mount_and_run(fstab) < 0 && mrom_is_second_boot())
{
ERROR("This is second boot and we couldn't mount /data, reboot!\n");
sync();
android_reboot(ANDROID_RB_RESTART, 0, 0);
while(1)
sleep(1);
}
exit:
if(fstab)
fstab_destroy(fstab);
// close and destroy everything
devices_close();
run_main_init:
umount("/dev/pts");
rmdir("/dev/pts");
rmdir("/dev/socket");
if(access(KEEP_REALDATA, F_OK) < 0)
{
umount(REALDATA);
umount("/dev");
rmdir(REALDATA);
encryption_destroy();
}
encryption_cleanup();
#if MR_USE_DEBUGFS_MOUNT
umount("/sys/kernel/debug");
#endif
umount("/proc");
umount("/sys/fs/pstore");
umount("/sys");
INFO("Running main_init\n");
fixup_symlinks();
chmod("/main_init", EXEC_MASK);
rename("/main_init", "/init");
res = execve(cmd[0], cmd, NULL);
ERROR("execve returned %d %d %s\n", res, errno, strerror(errno));
return 0;
}
