X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/31be35cda26f033fe62db673a8a973f0b15c9de7..199c2b1bedd78a06dae62d736115273bd0127af1:/aseg/counter.c?ds=inline diff --git a/aseg/counter.c b/aseg/counter.c index 7fe4cef..895974d 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -1,102 +1,90 @@ #include +#include +#include #include +#include + +char thestr[512]; + +#include "vga-overlay.h" unsigned int counter = 0; unsigned long pcisave; unsigned char vgasave; -unsigned char thestr[512]; -unsigned char logents[4][41] = {0}; - -unsigned char vgaread(unsigned char idx) -{ - outb(0x3D4, idx); - inb(0x3D5); -} -void strblit(char *src, int r, int c) -{ - char *destp = (char*)(0xB8000UL | (((unsigned int)vgaread(0xC)) << 9) | (((unsigned int)vgaread(0xD)) << 1)) + r*80*2 + c*2; - unsigned char smramc; +void pci_dump() { + char s[40]; + unsigned long cts; + static int curdev = 0; /* 0 if kbd, 1 if mouse */ + + cts = inl(0x84C); - smramc = pci_read8(0, 0, 0, 0x70); - pci_write8(0, 0, 0, 0x70, (smramc & 0xF3) | 0x08); - while (*src) + outl(0x848, 0x0); + outl(0x840, 0x0); + switch(cts&0xF0000) + { + case 0x20000: { - *(destp++) = *(src++); - *(destp++) = 0x1F; + unsigned char b; + b = inb(cts & 0xFFFF); + dologf("READ: %08x (%02x)", cts, b); + if ((cts & 0xFFFF) == 0x64) + curdev = (b & 0x20) ? 1 : 0; + if ((curdev == 0) && ((cts & 0xFFFF) == 0x60) && (b == 0x01)) + outb(0xCF9, 0x4); + *(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"); } - 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); + outl(0x848, 0x1000); + outl(0x840, 0x0100); } -void dolog(char *s) +void smi_entry(void) { - 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 & 0xFF)); - strcpy(thestr, "15-412! xxxxxxxx xxxxxxxx"); - tohex(thestr + 8, inl(0x0834)); - tohex(thestr + 17, counter); + sprintf(thestr, "15-412! %08x %08x", smi_status(), counter); strblit(thestr, 0, 0); - if (inl(0x834) & 0x20) - dolog("Warning: unhandled APM access"); - if (inl(0x834) & 0x4000) - dolog("Long periodic timer"); - if (inl(0x834) & ~(0x4160)) + if (inl(0x834) & 0x1000) { - unsigned char s[40]; - strcpy(s, "Unknown: xxxxxxxx"); - tohex(s + 9, inl(0x834) & ~(0x140)); - dolog(s); + if (inl(0x844) & 0x1000) /* devact_sts */ + { + pci_dump(); + outl(0x844, 0x1000); /* ack it */ + } } - + if (inl(0x840) & 0x1000) + { + pci_dump(); + outl(0x840, 0x1100); + outl(0x840, 0x0100); + } + + smi_poll(); outlog(); outl(0xCF8, pcisave); outb(0x3D4, vgasave); - - outl(0x834, /*0x40*/0xFFFF); // ack the periodic IRQ - outb(0x830, (inb(0x830) | 0x2) & ~0x40); - outb(0x830, inb(0x830) | 0x40); - }