X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/035d7af7dd4727735ec57f8195a4842e31ffc997..83a025567a37236fd819b30d12e32828d8fd2dc4:/aseg/counter.c?ds=sidebyside diff --git a/aseg/counter.c b/aseg/counter.c index de82574..88915dc 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -1,54 +1,98 @@ #include +#include +#include +#include +#include +#include "vga-overlay.h" -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 pci_dump() { + unsigned long cts; + static int curdev = 0; /* 0 if kbd, 1 if mouse */ + + cts = inl(0x84C); + + outl(0x848, 0x0); + outl(0x840, 0x0); + switch(cts&0xF0000) + { + case 0x20000: + { + 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; + + b = *(unsigned char*)0xAFFD0 /* EAX */; + dologf("WRITE: %08x (%02x)", cts, b); + outb(cts & 0xFFFF, b); + break; + } + default: + dolog("Unhandled PCI cycle"); + } + + outl(0x848, 0x1000); + outl(0x840, 0x0100); } -void strcpy(char *dst, char *src) +void timer_handler(smi_event_t ev) { - while (*src) - *(dst++) = *(src++); + static unsigned int ticks = 0; + + smi_disable_event(SMI_EVENT_FAST_TIMER); + smi_enable_event(SMI_EVENT_FAST_TIMER); + + outb(0x80, (ticks++) & 0xFF); + + outlog(); } -unsigned char vgaread(unsigned char idx) +void kbc_handler(smi_event_t ev) { - outb(0x3D4, idx); - inb(0x3D5); + pci_dump(); } -void strblit(char *src) +void gbl_rls_handler(smi_event_t ev) { - char *destp = (char*)(0xB8000 | (vgaread(0xC) << 5) | (vgaread(0xD) << 1)); - while (*src) - { - *(destp++) = *(src++); - *(destp++) = 0x1F; - } + unsigned long ecx; + + ecx = *(unsigned long*)0xAFFD4; + dologf("ECX was %08x", ecx); + *(unsigned long*)0xAFFD4 = 0x2BADD00D; } -void __start (void) +void smi_entry(void) { - unsigned char smramc; + char statstr[512]; pcisave = inl(0xCF8); vgasave = inb(0x3D4); - - counter++; - outb(0x80, counter); - strcpy(thestr, "15-412!"); + counter++; + sprintf(statstr, "15-412! %08x %08x", smi_status(), counter); + strblit(statstr, 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(0x840) & 0x1000) + { + pci_dump(); + outl(0x840, 0x1100); + outl(0x840, 0x0100); + } + + smi_poll(); outl(0xCF8, pcisave); outb(0x3D4, vgasave);