X-Git-Url: http://git.joshuawise.com/netwatch.git/blobdiff_plain/4bea7daf0e70a1540b8533c8253c197bb282416e..46486ad5520048346dc360fb8f224bdd4aea74ef:/aseg/counter.c?ds=sidebyside diff --git a/aseg/counter.c b/aseg/counter.c index 891c075..73003da 100644 --- a/aseg/counter.c +++ b/aseg/counter.c @@ -1,10 +1,137 @@ -char counter = 0; +#include +#include +#include +#include +#include +#include +#include "../net/net.h" +#include "vga-overlay.h" +#include "packet.h" +#include "keyboard.h" -#define outb(port, val) \ -({ asm volatile("outb %0, %%dx" : : "a" ((unsigned char)(val)) , "d" ((unsigned short)(port))); }) +unsigned int counter = 0; +unsigned long pcisave; +unsigned char vgasave; -void __start (void) { +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)) + { + /* This is a keyboard read. */ + if (b == 0x01) { + /* Reset. */ + outb(0xCF9, 0x4); + return; + } + + if (kbd_get_injected_scancode()) { + b = kbd_get_injected_scancode(); + } + } + + *(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 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 long*)0xAFFD4; + + packet_t * packet = check_packet(ecx); + if (!packet) + { + dologf("WARN: bad packet at %08x", ecx); + return; + } + + dologf("Got packet: type %08x", packet->type); + + if (packet->type == 42) { + dump_log((char *)packet->data); + *(unsigned long*)0xAFFD4 = 42; + } else if (packet->type == 0xAA) { + kbd_inject_key('A'); + } else { + *(unsigned long*)0xAFFD4 = 0x2BADD00D; + } +} + +void smi_entry(void) +{ + char statstr[512]; + + pcisave = inl(0xCF8); + vgasave = inb(0x3D4); + pci_unbother_all(); + counter++; - outb (0x80, counter); + sprintf(statstr, "15-412! %08x %08x", smi_status(), counter); + strblit(statstr, 0, 0); + + eth_poll(); + + if (inl(0x840) & 0x1000) + { + pci_dump(); + outl(0x840, 0x1100); + outl(0x840, 0x0100); + } + + smi_poll(); + + pci_bother_all(); + outl(0xCF8, pcisave); + outb(0x3D4, vgasave); }