X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/035d7af7dd4727735ec57f8195a4842e31ffc997..f603a589b9b53692e539c6976fb5e65b16aa4439:/aseg/counter.c?ds=inline diff --git a/aseg/counter.c b/aseg/counter.c index de82574..b6bdcf4 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -1,21 +1,10 @@ #include -char counter = 0; +unsigned int counter = 0; unsigned long pcisave; unsigned char vgasave; unsigned char thestr[512]; - -void memcpy(char *dst, char *src, int c) -{ - while (c--) - *(dst++) = *(src++); -} - -void strcpy(char *dst, char *src) -{ - while (*src) - *(dst++) = *(src++); -} +unsigned char logents[4][41] = {0}; unsigned char vgaread(unsigned char idx) { @@ -23,34 +12,139 @@ unsigned char vgaread(unsigned char idx) inb(0x3D5); } -void strblit(char *src) +void strblit(char *src, int r, int c) { - char *destp = (char*)(0xB8000 | (vgaread(0xC) << 5) | (vgaread(0xD) << 1)); + char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)) + r*80*2 + c*2; + unsigned char smramc; + + smramc = pci_read8(0, 0, 0, 0x70); + pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); while (*src) { *(destp++) = *(src++); *(destp++) = 0x1F; } + pci_write8(0, 0, 0, 0x70, smramc); +} + +void outlog() +{ + int y, x; + unsigned char smramc; + unsigned char *basep = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)); + + smramc = pci_read8(0, 0, 0, 0x70); + pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); + for (y = 0; y < 4; y++) + for (x = 40; x < 80; x++) + { + basep[y*80*2+x*2] = ' '; + basep[y*80*2+x*2+1] = 0x1F; + } + pci_write8(0, 0, 0, 0x70, smramc); + + for (y = 0; y < 4; y++) + strblit(logents[y], y, 40); + +} + +void dolog(char *s) +{ + memmove(logents[0], logents[1], sizeof(logents[0])*3); + strcpy(logents[3], s); } void __start (void) { unsigned char smramc; + static int first = 1; pcisave = inl(0xCF8); vgasave = inb(0x3D4); + + if (first) + { + first = 0; + dolog("NetWatch running..."); + } counter++; - outb(0x80, counter); + outb(0x80, (counter & 0xFF)); - strcpy(thestr, "15-412!"); + strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx"); + tohex(thestr + 8, inl(0x0834)); + tohex(thestr + 17, counter); + strblit(thestr, 0, 0); - smramc = pci_read8(0, 0, 0, 0x70); - pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); - strblit(thestr); - pci_write8(0, 0, 0, 0x70, smramc); + if (inl(0x834) & 0x20) + dolog("Warning: unhandled APM access"); + if (inl(0x834) & 0x1000) + { + if (inl(0x844) & 0x1000) /* devact_sts */ + { + unsigned char s[40]; + unsigned long cts; + static int curdev = 0; /* 0 if kbd, 1 if mouse */ + + cts = inl(0x84C); + + outl(0x848, 0x0); + + switch(cts&0xF0000) + { + case 0x20000: + { + unsigned char b; + strcpy(s, "READxxxxxxxxxxxxxxxx"); + tohex(s+4, cts); + b = inb(cts & 0xFFFF); + tohex(s+12, b); + if ((cts & 0xFFFF) == 0x64) + curdev = (b & 0x20) ? 1 : 0; + if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01)) + outb(0xCF9, 0x4); + dolog(s); + *(unsigned char*)0xAFFD0 /* EAX */ = b; + break; + } + case 0x30000: + { + unsigned char b; + + strcpy(s, "WRITxxxxxxxxxxxxxxxx"); + b = *(unsigned char*)0xAFFD0 /* EAX */; + tohex(s+4, cts); + tohex(s+12, b); + dolog(s); + outb(cts & 0xFFFF, b); + break; + } + default: + dolog("Unhandled PCI cycle"); + } + outl(0x848, 0x1000); + outl(0x844, 0x1000); + } + } + if (inl(0x834) & 0x4000) + dolog("Long periodic timer"); + if (inl(0x834) & ~(0x4160)) + { + unsigned char s[40]; + strcpy(s, "Unknown: xxxxxxxx"); + tohex(s + 9, inl(0x834) & ~(0x140)); + dolog(s); + } + + outlog(); 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); + }