+#include "vga-overlay.h"
+
+unsigned int counter = 0;
+unsigned long pcisave;
+unsigned char vgasave;
+
+void pci_dump() {
+ char s[40];
+ unsigned long cts;
+ static int curdev = 0; /* 0 if kbd, 1 if mouse */
+
+ cts = inl(0x84C);
+
+ outl(0x848, 0x0);
+ outl(0x840, 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);
+ *(unsigned char*)0xAFFD0 /* EAX */ = b;
+ break;
+ }
+ case 0x30000:
+ {
+ unsigned char b;
+
+ strcpy(s, "WRITxxxxxxxxxxxxxxxx");
+ b = *(unsigned char*)0xAFFD0 /* EAX */;
+ tohex(s+4, cts);
+ tohex(s+12, b);
+ dolog(s);
+ outb(cts & 0xFFFF, b);
+ break;
+ }
+ default:
+ dolog("Unhandled PCI cycle");
+ }
+
+ outl(0x848, 0x1000);
+ outl(0x840, 0x0100);
+}
+
+void smi_entry(void)
+{
+ pcisave = inl(0xCF8);
+ vgasave = inb(0x3D4);
+