X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/d71d98729a8da95c6ac901db1e8b23eaab48a34d..73fb9b4cd8d1b1722077985594e50dd38893ca5f:/aseg/counter.c diff --git a/aseg/counter.c b/aseg/counter.c index 7602218..4c53b59 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -3,9 +3,6 @@ #include #include #include - -char thestr[512]; - #include "vga-overlay.h" unsigned int counter = 0; @@ -13,7 +10,6 @@ unsigned long pcisave; unsigned char vgasave; void pci_dump() { - char s[40]; unsigned long cts; static int curdev = 0; /* 0 if kbd, 1 if mouse */ @@ -39,11 +35,8 @@ void pci_dump() { { unsigned char b; - strcpy(s, "WRITxxxxxxxxxxxxxxxx"); b = *(unsigned char*)0xAFFD0 /* EAX */; - tohex(s+4, cts); - tohex(s+12, b); - dolog(s); + dologf("WRITE: %08x (%02x)", cts, b); outb(cts & 0xFFFF, b); break; } @@ -55,47 +48,53 @@ void pci_dump() { outl(0x840, 0x0100); } +void timer_handler(smi_event_t ev) +{ + static unsigned int ticks = 0; + + smi_disable_event(SMI_EVENT_FAST_TIMER); + smi_enable_event(SMI_EVENT_FAST_TIMER); + + outb(0x80, (ticks++) & 0xFF); + + outlog(); +} + +void kbc_handler(smi_event_t ev) +{ + pci_dump(); +} + +void gbl_rls_handler(smi_event_t ev) +{ + unsigned long ecx; + + ecx = *(unsigned char*)0xAFFD4; + dologf("ECX was %08x", ecx); + *(unsigned long*)0xAFFD4 = 0x2BADD00D; +} + void smi_entry(void) { + char statstr[512]; + pcisave = inl(0xCF8); vgasave = inb(0x3D4); counter++; - outb(0x80, (counter & 0xFF)); - - sprintf(thestr, "15-412! %08x %08x", smi_status(), counter); - strblit(thestr, 0, 0); + sprintf(statstr, "15-412! %08x %08x", smi_status(), counter); + strblit(statstr, 0, 0); - if (inl(0x834) & 0x20) - dolog("Warning: unhandled APM access"); - if (inl(0x834) & 0x1000) - { - if (inl(0x844) & 0x1000) /* devact_sts */ - { - pci_dump(); - outl(0x844, 0x1000); /* ack it */ - } - } - if (inl(0x834) & 0x4000) - dolog("Long periodic timer"); if (inl(0x840) & 0x1000) { pci_dump(); outl(0x840, 0x1100); outl(0x840, 0x0100); } - if (inl(0x834) & ~(0x4160)) - dologf("Unknown: %08x", inl(0x834) & ~(0x140)); - outlog(); + smi_poll(); 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); - }