static int _ibf_ready = 0;
static int _waiting_for_data = 0;
static int curdev = 0;
+static int adding_locks_from_time_to_time = 0;
+
+static int _inject_ready()
+{
+ return _ibf_ready && !_waiting_for_data && !adding_locks_from_time_to_time;
+}
+
+void _try_inject()
+{
+ if (kbd_has_injected_scancode() && _inject_ready())
+ {
+ smi_disable_event(SMI_EVENT_DEVTRAP_KBC);
+ int i = 1000;
+ while (inb(0x64) & 0x02) /* Busy? */
+ ;
+ outb(0x64, 0xD2); /* "Inject, please!" */
+ while (inb(0x64) & 0x02) /* Busy? */
+ ;
+ outb(0x60, kbd_get_injected_scancode()); /* data */
+ while ((inb(0x64) & 0x02) && i--) /* wait for completion */
+ ;
+ outl(0x844, 0x1000);
+ adding_locks_from_time_to_time++;
+ smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
+ } else if (kbd_has_injected_scancode())
+ outputf("Would like to inject, but %d %d", _ibf_ready, _waiting_for_data);
+}
void pci_dump() {
unsigned long cts;
b = inb(0x64);
curdev = (b & 0x20 /* KBD_STAT_MOUSE_OBF */) ? 1 : 0;
+
+ if ((curdev == 0) && kbd_has_injected_scancode())
+ b |= 0x1;
+
_ibf_ready = (b & 0x2 /* IBF */) ? 0 : 1;
break;
case 0x60:
- b = inb(0x60);
+ if ((curdev == 0) && kbd_has_injected_scancode() && !adding_locks_from_time_to_time)
+ b = kbd_get_injected_scancode();
+ else
+ b = inb(0x60);
+ if (adding_locks_from_time_to_time)
+ adding_locks_from_time_to_time--;
if ((curdev == 0) && (b == 0x01)) { /* Escape */
outb(0xCF9, 0x4); /* Reboot */
return;
}
break;
- }
+ default:
+ b = inb(cts & 0xFFFF);
+ }
+
+ dologf("READ : %08x (%02x)", cts, b);
*(unsigned char*)0xAFFD0 /* EAX */ = b;
break;
}
outl(0x848, 0x1000);
}
-static int _inject_ready()
-{
- return _ibf_ready && !_waiting_for_data;
-}
-
void timer_handler(smi_event_t ev)
{
static unsigned int ticks = 0;
smi_disable_event(SMI_EVENT_FAST_TIMER);
smi_enable_event(SMI_EVENT_FAST_TIMER);
- if (kbd_has_injected_scancode() && _inject_ready())
- {
- smi_disable_event(SMI_EVENT_DEVTRAP_KBC);
- outputf("Injecting key");
- /* Actually do the inject. */
- outb(0x64, 0xD2); /* "Inject, please!" */
- while (inb(0x64) & 0x02) /* Busy? */
- ;
- outb(0x60, kbd_get_injected_scancode()); /* data */
- while (inb(0x64) & 0x02) /* wait for completion */
- ;
- smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
- } else if (kbd_has_injected_scancode())
- outputf("Would like to inject, but %d %d", _ibf_ready, _waiting_for_data);
+ _try_inject();
outb(0x80, (ticks++) & 0xFF);