if (inl(0x834) & 0x20)
dolog("Warning: unhandled APM access");
+ if (inl(0x834) & 0x1000)
+ {
+ if (inl(0x844) & 0x1000) /* devact_sts */
+ {
+ unsigned char s[40];
+ unsigned long cts;
+ static int curdev = 0; /* 0 if kbd, 1 if mouse */
+
+ cts = inl(0x84C);
+
+ outl(0x848, 0x0);
+
+ switch(cts&0xF0000)
+ {
+ case 0x20000:
+ {
+ unsigned char b;
+ strcpy(s, "READxxxxxxxxxxxxxxxx");
+ tohex(s+4, cts);
+ b = inb(cts & 0xFFFF);
+ tohex(s+12, b);
+ if ((cts & 0xFFFF) == 0x64)
+ curdev = (b & 0x20) ? 1 : 0;
+ if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
+ outb(0xCF9, 0x4);
+ dolog(s);
+ *(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(0x844, 0x1000);
+ }
+ }
if (inl(0x834) & 0x4000)
dolog("Long periodic timer");
if (inl(0x834) & ~(0x4160))
outl(0xCF8, pcisave);
outb(0x3D4, vgasave);
+ outl(0x848, 0x1000);
outl(0x834, /*0x40*/0xFFFF); // ack the periodic IRQ
outb(0x830, (inb(0x830) | 0x2) & ~0x40);
outb(0x830, inb(0x830) | 0x40);