git.joshuawise.com / netwatch.git / blame
| Commit | Line | Data |
|---|---|---|
| 035d7af7 | 1 | #include <io.h> |
| 36ce375d JP |
2 | #include <smram.h> |
| 3 | #include <video_defines.h> | |
| 4 | #include <minilib.h> | |
| 035d7af7 | 5 | |
| 36ce375d | 6 | char thestr[512]; |
| 36ce375d | 7 | |
| 91a6abf7 | 8 | #include "vga-overlay.h" |
| 36ce375d | 9 | |
| 91a6abf7 JP |
10 | unsigned int counter = 0; |
| 11 | unsigned long pcisave; | |
| 12 | unsigned char vgasave; | |
| 4bea7daf | 13 | |
| 98765740 | 14 | void pci_dump() { |
| 36ce375d | 15 | char s[40]; |
| 98765740 JP |
16 | unsigned long cts; |
| 17 | static int curdev = 0; /* 0 if kbd, 1 if mouse */ | |
| 18 | ||
| 19 | cts = inl(0x84C); | |
| 20 | ||
| 21 | outl(0x848, 0x0); | |
| 22 | ||
| 23 | switch(cts&0xF0000) | |
| 24 | { | |
| 25 | case 0x20000: | |
| 26 | { | |
| 27 | unsigned char b; | |
| 28 | strcpy(s, "READxxxxxxxxxxxxxxxx"); | |
| 29 | tohex(s+4, cts); | |
| 30 | b = inb(cts & 0xFFFF); | |
| 31 | tohex(s+12, b); | |
| 32 | if ((cts & 0xFFFF) == 0x64) | |
| 33 | curdev = (b & 0x20) ? 1 : 0; | |
| 34 | if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01)) | |
| 35 | outb(0xCF9, 0x4); | |
| 36 | dolog(s); | |
| 37 | *(unsigned char*)0xAFFD0 /* EAX */ = b; | |
| 38 | break; | |
| 39 | } | |
| 40 | case 0x30000: | |
| 41 | { | |
| 42 | unsigned char b; | |
| 43 | ||
| 44 | strcpy(s, "WRITxxxxxxxxxxxxxxxx"); | |
| 45 | b = *(unsigned char*)0xAFFD0 /* EAX */; | |
| 46 | tohex(s+4, cts); | |
| 47 | tohex(s+12, b); | |
| 48 | dolog(s); | |
| 49 | outb(cts & 0xFFFF, b); | |
| 50 | break; | |
| 51 | } | |
| 52 | default: | |
| 53 | dolog("Unhandled PCI cycle"); | |
| 54 | } | |
| 55 | } | |
| 56 | ||
| 015cd976 JW |
57 | void __start (void) |
| 58 | { | |
| 31be35cd | 59 | static int first = 1; |
| 035d7af7 JW |
60 | |
| 61 | pcisave = inl(0xCF8); | |
| 62 | vgasave = inb(0x3D4); | |
| 31be35cd JW |
63 | |
| 64 | if (first) | |
| 65 | { | |
| 66 | first = 0; | |
| 67 | dolog("NetWatch running..."); | |
| 68 | } | |
| 035d7af7 | 69 | |
| 4bea7daf | 70 | counter++; |
| 31be35cd | 71 | outb(0x80, (counter & 0xFF)); |
| 035d7af7 | 72 | |
| 31be35cd JW |
73 | strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx"); |
| 74 | tohex(thestr + 8, inl(0x0834)); | |
| 75 | tohex(thestr + 17, counter); | |
| 76 | strblit(thestr, 0, 0); | |
| 035d7af7 | 77 | |
| 31be35cd JW |
78 | if (inl(0x834) & 0x20) |
| 79 | dolog("Warning: unhandled APM access"); | |
| 4122ee13 JW |
80 | if (inl(0x834) & 0x1000) |
| 81 | { | |
| 82 | if (inl(0x844) & 0x1000) /* devact_sts */ | |
| 83 | { | |
| 98765740 | 84 | pci_dump(); |
| 4122ee13 JW |
85 | outl(0x848, 0x1000); |
| 86 | outl(0x844, 0x1000); | |
| 87 | } | |
| 88 | } | |
| 31be35cd JW |
89 | if (inl(0x834) & 0x4000) |
| 90 | dolog("Long periodic timer"); | |
| 98765740 JP |
91 | if (inl(0x840) & 0x1000) |
| 92 | { | |
| 93 | dolog("Caught device monitor trap"); | |
| 94 | pci_dump(); | |
| 95 | outl(0x840, 0x1100); | |
| 96 | outl(0x840, 0x0100); | |
| 97 | } | |
| 31be35cd JW |
98 | if (inl(0x834) & ~(0x4160)) |
| 99 | { | |
| 36ce375d | 100 | char s[40]; |
| 31be35cd JW |
101 | strcpy(s, "Unknown: xxxxxxxx"); |
| 102 | tohex(s + 9, inl(0x834) & ~(0x140)); | |
| 103 | dolog(s); | |
| 104 | } | |
| 98765740 JP |
105 | |
| 106 | ||
| 31be35cd | 107 | outlog(); |
| 035d7af7 JW |
108 | |
| 109 | outl(0xCF8, pcisave); | |
| 110 | outb(0x3D4, vgasave); | |
| a46bffee | 111 | |
| 4122ee13 | 112 | outl(0x848, 0x1000); |
| 31be35cd | 113 | outl(0x834, /*0x40*/0xFFFF); // ack the periodic IRQ |
| a46bffee JW |
114 | outb(0x830, (inb(0x830) | 0x2) & ~0x40); |
| 115 | outb(0x830, inb(0x830) | 0x40); | |
| 116 | ||
| 4bea7daf JW |
117 | } |
| 118 |