static bool emergency_reboot()
{
util::vibrate(100, 150);
util::vibrate(100, 150);
util::vibrate(100, 150);
util::vibrate(100, 150);
util::vibrate(100, 150);
LOGW("--- EMERGENCY REBOOT FROM MBTOOL ---");
// Some devices don't have /proc/last_kmsg, so we'll attempt to save the
// kernel log to /data/media/0/MultiBoot/kernel.log
if (!util::is_mounted("/data")) {
LOGW("/data is not mounted. Attempting to mount /data");
struct stat sb;
// Try mounting /data in case we couldn't get through the fstab mounting
// steps. (This is an ugly brute force method...)
for (const char **ptr = data_block_devs; *ptr; ++ptr) {
const char *block_dev = *ptr;
if (stat(block_dev, &sb) < 0) {
continue;
}
if (mount(block_dev, "/data", "ext4", 0, "") == 0
|| mount(block_dev, "/data", "f2fs", 0, "") == 0) {
LOGW("Mounted %s at /data", block_dev);
break;
}
}
}
LOGW("Dumping kernel log to %s", MULTIBOOT_LOG_KERNEL);
// Remove old log
remove(MULTIBOOT_LOG_KERNEL);
// Write new log
util::mkdir_parent(MULTIBOOT_LOG_KERNEL, 0775);
dump_kernel_log(MULTIBOOT_LOG_KERNEL);
// Set file attributes on log file
fix_multiboot_permissions();
sync();
umount("/data");
// Does not return if successful
reboot_directly("recovery");
return false;
}
static void debug_exec(const char *cmd, unsigned *regs)
{
if (!strcmp(cmd, "pc")) {
dprintf(" pc %08x cpsr %08x mode %s\n",
regs[15], regs[16], mode_name(regs[16]));
} else if (!strcmp(cmd, "regs")) {
dprintf(" r0 %08x r1 %08x r2 %08x r3 %08x\n",
regs[0], regs[1], regs[2], regs[3]);
dprintf(" r4 %08x r5 %08x r6 %08x r7 %08x\n",
regs[4], regs[5], regs[6], regs[7]);
dprintf(" r8 %08x r9 %08x r10 %08x r11 %08x mode %s\n",
regs[8], regs[9], regs[10], regs[11],
mode_name(regs[16]));
dprintf(" ip %08x sp %08x lr %08x pc %08x cpsr %08x\n",
regs[10], regs[13], regs[14], regs[15], regs[16]);
} else if (!strcmp(cmd, "reboot")) {
if (msm_hw_reset_hook)
msm_hw_reset_hook();
} else if (!strcmp(cmd, "irqs")) {
dump_irqs();
} else if (!strcmp(cmd, "kmsg")) {
dump_kernel_log();
} else if (!strcmp(cmd, "version")) {
dprintf("%s\n", linux_banner);
} else {
if (debug_busy) {
dprintf("command processor busy. trying to abort.\n");
debug_abort = -1;
} else {
strcpy(debug_cmd, cmd);
debug_busy = 1;
}
msm_trigger_irq(debug_signal_irq);
return;
}
debug_prompt();
}
