#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 "packet.h"
+#include "keyboard.h"
-char counter = 0;
+unsigned int counter = 0;
+unsigned int lastctr = 0;
unsigned long pcisave;
unsigned char vgasave;
-unsigned char thestr[512];
+static int curdev = 0; /* 0 if kbd, 1 if mouse */
-void memcpy(char *dst, char *src, int c)
+static void cause_kbd_irq()
{
- while (c--)
- *(dst++) = *(src++);
+ outl(0x844, 0x0);
+ outl(0x848, 0x0);
+ while (inb(0x64) & 0x1)
+ inb(0x60);
+ outb(0x60, 0xee); /* Cause an IRQ. */
+ while (inb(0x60) != 0xEE)
+ ;
}
-void strcpy(char *dst, char *src)
+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)
{
- while (*src)
- *(dst++) = *(src++);
+ 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();
}
-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)
+ unsigned long ecx;
+
+ ecx = *(unsigned long*)0xAFFD4;
+
+ packet_t * packet = check_packet(ecx);
+ if (!packet)
{
- *(destp++) = *(src++);
- *(destp++) = 0x1F;
+ 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 __start (void)
+void smi_entry(void)
{
- unsigned char smramc;
+ 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);
- strcpy(thestr, "15-412!");
+ eth_poll();
- 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();
+ pci_bother_all();
outl(0xCF8, pcisave);
outb(0x3D4, vgasave);
}