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I r retard; should be unsigned long
[netwatch.git] / aseg / counter.c
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035d7af7 1#include <io.h>
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2#include <smram.h>
3#include <video_defines.h>
4#include <minilib.h>
d71d9872 5#include <smi.h>
91a6abf7 6#include "vga-overlay.h"
36ce375d 7
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8unsigned int counter = 0;
9unsigned long pcisave;
10unsigned char vgasave;
4bea7daf 11
98765740 12void pci_dump() {
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13 unsigned long cts;
14 static int curdev = 0; /* 0 if kbd, 1 if mouse */
15
16 cts = inl(0x84C);
17
18 outl(0x848, 0x0);
85bc8ca6 19 outl(0x840, 0x0);
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20 switch(cts&0xF0000)
21 {
22 case 0x20000:
23 {
24 unsigned char b;
98765740 25 b = inb(cts & 0xFFFF);
d24901e6 26 dologf("READ: %08x (%02x)", cts, b);
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27 if ((cts & 0xFFFF) == 0x64)
28 curdev = (b & 0x20) ? 1 : 0;
29 if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01))
30 outb(0xCF9, 0x4);
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31 *(unsigned char*)0xAFFD0 /* EAX */ = b;
32 break;
33 }
34 case 0x30000:
35 {
36 unsigned char b;
37
98765740 38 b = *(unsigned char*)0xAFFD0 /* EAX */;
34205a17 39 dologf("WRITE: %08x (%02x)", cts, b);
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40 outb(cts & 0xFFFF, b);
41 break;
42 }
43 default:
44 dolog("Unhandled PCI cycle");
45 }
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46
47 outl(0x848, 0x1000);
48 outl(0x840, 0x0100);
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49}
50
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51void timer_handler(smi_event_t ev)
52{
53 static unsigned int ticks = 0;
54
55 smi_disable_event(SMI_EVENT_FAST_TIMER);
56 smi_enable_event(SMI_EVENT_FAST_TIMER);
57
58 outb(0x80, (ticks++) & 0xFF);
59
60 outlog();
61}
62
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63void kbc_handler(smi_event_t ev)
64{
65 pci_dump();
66}
67
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68void gbl_rls_handler(smi_event_t ev)
69{
70 unsigned long ecx;
71
7d252e04 72 ecx = *(unsigned long*)0xAFFD4;
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73 dologf("ECX was %08x", ecx);
74 *(unsigned long*)0xAFFD4 = 0x2BADD00D;
75}
76
d71d9872 77void smi_entry(void)
015cd976 78{
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79 char statstr[512];
80
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81 pcisave = inl(0xCF8);
82 vgasave = inb(0x3D4);
31be35cd 83
4bea7daf 84 counter++;
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85 sprintf(statstr, "15-412! %08x %08x", smi_status(), counter);
86 strblit(statstr, 0, 0);
035d7af7 87
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88 if (inl(0x840) & 0x1000)
89 {
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90 pci_dump();
91 outl(0x840, 0x1100);
92 outl(0x840, 0x0100);
93 }
98765740 94
4fb81ad0 95 smi_poll();
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96
97 outl(0xCF8, pcisave);
98 outb(0x3D4, vgasave);
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99}
100
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