]> Joshua Wise's Git repositories - netwatch.git/blob - aseg/counter.c
Have a log console -- needs to be refactored
[netwatch.git] / aseg / counter.c
1 #include <io.h>
2 #include <minilib.h>
3
4 unsigned int counter = 0;
5 unsigned long pcisave;
6 unsigned char vgasave;
7 unsigned char thestr[512];
8 unsigned char logents[4][41] = {0};
9
10 unsigned char vgaread(unsigned char idx)
11 {
12         outb(0x3D4, idx);
13         inb(0x3D5);
14 }
15
16 void strblit(char *src, int r, int c)
17 {
18         char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)) + r*80*2 + c*2;
19         unsigned char smramc;
20         
21         smramc = pci_read8(0, 0, 0, 0x70);
22         pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08);
23         while (*src)
24         {
25                 *(destp++) = *(src++);
26                 *(destp++) = 0x1F;
27         }
28         pci_write8(0, 0, 0, 0x70, smramc);
29 }
30
31 void outlog()
32 {
33         int y, x;
34         unsigned char smramc;
35         unsigned char *basep = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1));
36         
37         smramc = pci_read8(0, 0, 0, 0x70);
38         pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08);
39         for (y = 0; y < 4; y++)
40                 for (x = 40; x < 80; x++)
41                 {
42                         basep[y*80*2+x*2] = ' ';
43                         basep[y*80*2+x*2+1] = 0x1F;
44                 }
45         pci_write8(0, 0, 0, 0x70, smramc);
46         
47         for (y = 0; y < 4; y++)
48                 strblit(logents[y], y, 40);
49         
50 }
51
52 void dolog(char *s)
53 {
54         memmove(logents[0], logents[1], sizeof(logents[0])*3);
55         strcpy(logents[3], s);
56 }
57
58 void __start (void)
59 {
60         unsigned char smramc;
61         static int first = 1;
62         
63         pcisave = inl(0xCF8);
64         vgasave = inb(0x3D4);
65         
66         if (first)
67         {
68                 first = 0;
69                 dolog("NetWatch running...");
70         }
71
72         counter++;
73         outb(0x80, (counter & 0xFF));
74         
75         strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx");
76         tohex(thestr + 8, inl(0x0834));
77         tohex(thestr + 17, counter);
78         strblit(thestr, 0, 0);
79         
80         if (inl(0x834) & 0x20)
81                 dolog("Warning: unhandled APM access");
82         if (inl(0x834) & 0x4000)
83                 dolog("Long periodic timer");
84         if (inl(0x834) & ~(0x4160))
85         {
86                 unsigned char s[40];
87                 strcpy(s, "Unknown: xxxxxxxx");
88                 tohex(s + 9, inl(0x834) & ~(0x140));
89                 dolog(s);
90         }
91         
92         outlog();
93         
94         outl(0xCF8, pcisave);
95         outb(0x3D4, vgasave);
96         
97         outl(0x834, /*0x40*/0xFFFF);    // ack the periodic IRQ
98         outb(0x830, (inb(0x830) | 0x2) & ~0x40);
99         outb(0x830, inb(0x830) | 0x40);
100         
101 }
102
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