#include <video_defines.h>
#include <minilib.h>
#include <smi.h>
-
-char thestr[512];
-
#include "vga-overlay.h"
unsigned int counter = 0;
unsigned char vgasave;
void pci_dump() {
- char s[40];
unsigned long cts;
static int curdev = 0; /* 0 if kbd, 1 if mouse */
{
unsigned char b;
- strcpy(s, "WRITxxxxxxxxxxxxxxxx");
b = *(unsigned char*)0xAFFD0 /* EAX */;
- tohex(s+4, cts);
- tohex(s+12, b);
- dolog(s);
+ dologf("WRITE: %08x (%02x)", cts, b);
outb(cts & 0xFFFF, b);
break;
}
outl(0x840, 0x0100);
}
+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);
+
+ outb(0x80, (ticks++) & 0xFF);
+
+ outlog();
+}
+
void smi_entry(void)
{
+ char statstr[512];
+
pcisave = inl(0xCF8);
vgasave = inb(0x3D4);
counter++;
- outb(0x80, (counter & 0xFF));
+ sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
+ strblit(statstr, 0, 0);
- sprintf(thestr, "15-412! %08x %08x", smi_status(), counter);
- strblit(thestr, 0, 0);
-
- if (inl(0x834) & 0x20)
- dolog("Warning: unhandled APM access");
if (inl(0x834) & 0x1000)
{
if (inl(0x844) & 0x1000) /* devact_sts */
outl(0x844, 0x1000); /* ack it */
}
}
- if (inl(0x834) & 0x4000)
- dolog("Long periodic timer");
if (inl(0x840) & 0x1000)
{
pci_dump();
outl(0x840, 0x1100);
outl(0x840, 0x0100);
}
- if (inl(0x834) & ~(0x4160))
- dologf("Unknown: %08x", inl(0x834) & ~(0x140));
- outlog();
+ smi_poll();
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);
-
}