+#include <io.h>
+#include <smram.h>
+#include <video_defines.h>
+#include <minilib.h>
+#include <smi.h>
+#include <pci-bother.h>
+#include "../net/net.h"
+#include "vga-overlay.h"
+#include "../aseg/packet.h"
+#include "../aseg/keyboard.h"
+
+unsigned int lastctr = 0;
+extern unsigned int counter;
+
+static int curdev = 0;
+
+static void cause_kbd_irq()
+{
+ outl(0x844, 0x0);
+ outl(0x848, 0x0);
+ while (inb(0x64) & 0x1)
+ inb(0x60);
+ outb(0x60, 0xee); /* Cause an IRQ. */
+ while (inb(0x60) != 0xEE)
+ ;
+}
+
+void pci_dump() {
+ unsigned long cts;
+
+ cts = inl(0x84C);
+
+ outl(0x840, 0x0);
+ outl(0x848, 0x0);
+ switch(cts&0xF0000)
+ {
+ case 0x20000:
+ {
+ unsigned char b;
+
+ switch (cts & 0xFFFF)
+ {
+ case 0x64:
+ /* Read the real hardware and mask in our OBF if need be. */
+ b = inb(0x64);
+ if (kbd_has_injected_scancode())
+ {
+ dologf("OS wants to know; we have data");
+ lastctr = counter;
+ b |= 0x01;
+ b &= ~0x20; /* no mouse for you! */
+ curdev = 0;
+ } else
+ curdev = (b & 0x20) ? 1 : 0;
+ *(unsigned char*)0xAFFD0 /* EAX */ = b;
+ break;
+ case 0x60:
+ if (kbd_has_injected_scancode())
+ {
+ b = kbd_get_injected_scancode();
+ lastctr = counter;
+ while (inb(0x64) & 0x1)
+ inb(0x60);
+ } else
+ b = inb(0x60);
+ if ((curdev == 0) && (b == 0x01)) { /* Escape */
+ outb(0xCF9, 0x4); /* Reboot */
+ return;
+ }
+
+ /* If there is more nus to come, generate another IRQ. */
+ if (kbd_has_injected_scancode())
+ cause_kbd_irq();
+
+ *(unsigned char*)0xAFFD0 /* EAX */ = b;
+ break;
+ }
+
+ *(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(0x840, 0x0);
+ outl(0x844, 0x1000);
+ outl(0x848, 0x1000);
+}
+
+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);
+
+ if (kbd_has_injected_scancode() && (counter > (lastctr + 2)))
+ {
+ smi_disable_event(SMI_EVENT_DEVTRAP_KBC);
+ dolog("Kicking timer");
+ cause_kbd_irq();
+ smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
+ }
+
+ 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;
+ }
+}
git.joshuawise.com / netwatch.git / commitdiff