static int
cmd_reboot(int argc, char **argv)
{
arch_cpu_shutdown(true);
return 0;
// I'll be really suprised if this line ever runs! ;-)
}
static int32
debug_keyboard_interrupt(void *data)
{
static bool controlPressed = false;
static bool altPressed = false;
static bool sysReqPressed = false;
uint8 key;
key = in8(PS2_PORT_DATA);
//dprintf("debug_keyboard_interrupt: key = 0x%x\n", key);
if (key & 0x80) {
if (key == LEFT_CONTROL)
controlPressed = false;
else if (key == LEFT_ALT)
altPressed = false;
else if (key == SYS_REQ)
sysReqPressed = false;
return B_HANDLED_INTERRUPT;
}
switch (key) {
case LEFT_CONTROL:
controlPressed = true;
break;
case LEFT_ALT:
case RIGHT_ALT:
altPressed = true;
break;
case SYS_REQ:
sysReqPressed = true;
break;
case DELETE:
if (controlPressed && altPressed)
arch_cpu_shutdown(true);
break;
default:
if (altPressed && sysReqPressed) {
if (debug_emergency_key_pressed(kUnshiftedKeymap[key])) {
// we probably have lost some keys, so reset our key states
controlPressed = false;
sysReqPressed = false;
altPressed = false;
}
}
break;
}
return B_HANDLED_INTERRUPT;
}
status_t
system_shutdown(bool reboot)
{
int32 cookie = 0;
team_info info;
// Now shutdown all system services!
// TODO: Once we are sure we can shutdown the system on all hardware
// checking reboot may not be necessary anymore.
if (reboot) {
while (get_next_team_info(&cookie, &info) == B_OK) {
if (info.team == B_SYSTEM_TEAM)
continue;
kill_team(info.team);
}
}
sync();
return arch_cpu_shutdown(reboot);
}
static int
cmd_shutdown(int argc, char **argv)
{
arch_cpu_shutdown(false);
return 0;
}
int
arch_debug_blue_screen_try_getchar(void)
{
/* polling the keyboard, similar to code in keyboard
* driver, but without using an interrupt
*/
static bool shiftPressed = false;
static bool controlPressed = false;
static bool altPressed = false;
static uint8 special = 0;
static uint8 special2 = 0;
uint8 key = 0;
if (special & 0x80) {
special &= ~0x80;
return '[';
}
if (special != 0) {
key = special;
special = 0;
return key;
}
if (special2 != 0) {
key = special2;
special2 = 0;
return key;
}
uint8 status = in8(PS2_PORT_CTRL);
if ((status & PS2_STATUS_OUTPUT_BUFFER_FULL) == 0) {
// no data in keyboard buffer
return -1;
}
key = in8(PS2_PORT_DATA);
if (status & PS2_STATUS_AUX_DATA) {
// we read mouse data, ignore it
return -1;
}
if (key & 0x80) {
// key up
switch (key & ~0x80) {
case LEFT_SHIFT:
case RIGHT_SHIFT:
shiftPressed = false;
return -1;
case LEFT_CONTROL:
controlPressed = false;
return -1;
case LEFT_ALT:
altPressed = false;
return -1;
}
} else {
// key down
switch (key) {
case LEFT_SHIFT:
case RIGHT_SHIFT:
shiftPressed = true;
return -1;
case LEFT_CONTROL:
controlPressed = true;
return -1;
case LEFT_ALT:
altPressed = true;
return -1;
// start escape sequence for cursor movement
case CURSOR_UP:
special = 0x80 | 'A';
return '\x1b';
case CURSOR_DOWN:
special = 0x80 | 'B';
return '\x1b';
case CURSOR_RIGHT:
special = 0x80 | 'C';
return '\x1b';
case CURSOR_LEFT:
special = 0x80 | 'D';
return '\x1b';
case CURSOR_HOME:
special = 0x80 | 'H';
return '\x1b';
case CURSOR_END:
special = 0x80 | 'F';
return '\x1b';
case PAGE_UP:
special = 0x80 | '5';
special2 = '~';
return '\x1b';
case PAGE_DOWN:
special = 0x80 | '6';
special2 = '~';
return '\x1b';
case DELETE:
if (controlPressed && altPressed)
arch_cpu_shutdown(true);
special = 0x80 | '3';
special2 = '~';
return '\x1b';
default:
if (controlPressed) {
char c = kShiftedKeymap[key];
if (c >= 'A' && c <= 'Z')
return 0x1f & c;
}
if (altPressed)
return kAltedKeymap[key];
return shiftPressed
? kShiftedKeymap[key] : kUnshiftedKeymap[key];
}
}
return -1;
}
