#include <video_defines.h>
#include <minilib.h>
#include <smi.h>
+#include <pci-bother.h>
+#include "../net/net.h"
#include "vga-overlay.h"
+#include "packet.h"
+#include "keyboard.h"
unsigned int counter = 0;
+unsigned int lastctr = 0;
unsigned long pcisave;
unsigned char vgasave;
+static int curdev = 0; /* 0 if kbd, 1 if mouse */
+
+static void cause_kbd_irq()
+{
+ outl(0x844, 0x0);
+ outl(0x848, 0x0);
+ while (inb(0x64) & 0x1)
+ inb(0x60);
+ outb(0x60, 0xee); /* Cause an IRQ. */
+ while (inb(0x60) != 0xEE)
+ ;
+}
void pci_dump() {
unsigned long cts;
- static int curdev = 0; /* 0 if kbd, 1 if mouse */
cts = inl(0x84C);
- outl(0x848, 0x0);
outl(0x840, 0x0);
+ outl(0x848, 0x0);
switch(cts&0xF0000)
{
case 0x20000:
{
unsigned char b;
- b = inb(cts & 0xFFFF);
- dologf("READ: %08x (%02x)", cts, b);
- if ((cts & 0xFFFF) == 0x64)
- curdev = (b & 0x20) ? 1 : 0;
- if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
- outb(0xCF9, 0x4);
+
+ switch (cts & 0xFFFF)
+ {
+ case 0x64:
+ /* Read the real hardware and mask in our OBF if need be. */
+ b = inb(0x64);
+ if (kbd_has_injected_scancode())
+ {
+ dologf("OS wants to know; we have data");
+ lastctr = counter;
+ b |= 0x01;
+ b &= ~0x20; /* no mouse for you! */
+ curdev = 0;
+ } else
+ curdev = (b & 0x20) ? 1 : 0;
+ *(unsigned char*)0xAFFD0 /* EAX */ = b;
+ break;
+ case 0x60:
+ if (kbd_has_injected_scancode())
+ {
+ b = kbd_get_injected_scancode();
+ lastctr = counter;
+ while (inb(0x64) & 0x1)
+ inb(0x60);
+ } else
+ b = inb(0x60);
+ if ((curdev == 0) && (b == 0x01)) { /* Escape */
+ outb(0xCF9, 0x4); /* Reboot */
+ return;
+ }
+
+ /* If there is more nus to come, generate another IRQ. */
+ if (kbd_has_injected_scancode())
+ cause_kbd_irq();
+
+ *(unsigned char*)0xAFFD0 /* EAX */ = b;
+ break;
+ }
+
*(unsigned char*)0xAFFD0 /* EAX */ = b;
break;
}
dolog("Unhandled PCI cycle");
}
+ outl(0x840, 0x0);
+ outl(0x844, 0x1000);
outl(0x848, 0x1000);
- outl(0x840, 0x0100);
}
void timer_handler(smi_event_t ev)
smi_disable_event(SMI_EVENT_FAST_TIMER);
smi_enable_event(SMI_EVENT_FAST_TIMER);
+ if (kbd_has_injected_scancode() && (counter > (lastctr + 2)))
+ {
+ smi_disable_event(SMI_EVENT_DEVTRAP_KBC);
+ dolog("Kicking timer");
+ cause_kbd_irq();
+ smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
+ }
+
outb(0x80, (ticks++) & 0xFF);
outlog();
pci_dump();
}
+void gbl_rls_handler(smi_event_t ev)
+{
+ unsigned long ecx;
+
+ ecx = *(unsigned long*)0xAFFD4;
+
+ packet_t * packet = check_packet(ecx);
+ if (!packet)
+ {
+ dologf("WARN: bad packet at %08x", ecx);
+ return;
+ }
+
+ dologf("Got packet: type %08x", packet->type);
+
+ if (packet->type == 42) {
+ dump_log((char *)packet->data);
+ *(unsigned long*)0xAFFD4 = 42;
+ } else if (packet->type == 0xAA) {
+ kbd_inject_key('A');
+ } else {
+ *(unsigned long*)0xAFFD4 = 0x2BADD00D;
+ }
+}
+
void smi_entry(void)
{
char statstr[512];
pcisave = inl(0xCF8);
vgasave = inb(0x3D4);
+ pci_unbother_all();
counter++;
sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
strblit(statstr, 0, 0);
+ eth_poll();
+
if (inl(0x840) & 0x1000)
{
pci_dump();
smi_poll();
+ pci_bother_all();
outl(0xCF8, pcisave);
outb(0x3D4, vgasave);
}