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