2 * Main post-paging entry point. Actually, this is a lie.
3 * NetWatch system management mode administration console
5 * Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved.
6 * This program is free software; you can redistribute and/or modify it under
7 * the terms found in the file LICENSE in the root of this source tree.
13 #include <video_defines.h>
16 #include <pci-bother.h>
19 #include "../net/net.h"
20 #include "vga-overlay.h"
24 unsigned int lastctr = 0;
25 extern unsigned int counter;
27 static int _ibf_ready = 0;
28 static int _waiting_for_data = 0;
29 static int curdev = 0;
30 static int adding_locks_from_time_to_time = 0;
32 static int _inject_ready()
34 return _ibf_ready && !_waiting_for_data && !adding_locks_from_time_to_time;
39 if (kbd_has_injected_scancode() && _inject_ready())
41 smi_disable_event(SMI_EVENT_DEVTRAP_KBC);
43 while (inb(0x64) & 0x02) /* Busy? */
45 outb(0x64, 0xD2); /* "Inject, please!" */
46 while (inb(0x64) & 0x02) /* Busy? */
48 outb(0x60, kbd_get_injected_scancode()); /* data */
49 while ((inb(0x64) & 0x02) && i--) /* wait for completion */
52 adding_locks_from_time_to_time++;
53 smi_enable_event(SMI_EVENT_DEVTRAP_KBC);
54 } else if (kbd_has_injected_scancode())
55 outputf("Would like to inject, but %d %d", _ibf_ready, _waiting_for_data);
74 /* Read the real hardware and mask in our OBF if need be. */
77 curdev = (b & 0x20 /* KBD_STAT_MOUSE_OBF */) ? 1 : 0;
79 if ((curdev == 0) && kbd_has_injected_scancode())
82 _ibf_ready = (b & 0x2 /* IBF */) ? 0 : 1;
86 if ((curdev == 0) && kbd_has_injected_scancode() && !adding_locks_from_time_to_time)
87 b = kbd_get_injected_scancode();
90 if (adding_locks_from_time_to_time)
91 adding_locks_from_time_to_time--;
92 if ((curdev == 0) && (b == 0x01)) { /* Escape */
93 outb(0xCF9, 0x4); /* Reboot */
99 b = inb(cts & 0xFFFF);
102 dologf("READ : %08x (%02x)", cts, b);
103 *(unsigned char*)0xAFFD0 /* EAX */ = b;
110 b = *(unsigned char*)0xAFFD0 /* EAX */;
111 dologf("WRITE: %08x (%02x)", cts, b);
112 if ((cts & 0xFFFF) == 0x64)
115 case 0x60 /*KBD_CCMD_WRITE_MODE*/:
116 case 0xD2 /*KBD_CCMD_WRITE_OBUF*/:
117 case 0xD3 /*KBD_CCMD_WRITE_AUX_OBUF*/:
118 case 0xD4 /*KBD_CCMD_WRITE_MOUSE*/:
119 case 0xD1 /*KBD_CCMD_WRITE_OUTPORT*/:
120 _waiting_for_data = 1; /* These all should not be interrupted. */
122 else if ((cts & 0xFFFF) == 0x60)
123 _waiting_for_data = 0;
124 outb(cts & 0xFFFF, b);
128 dolog("Unhandled PCI cycle");
136 void timer_handler(smi_event_t ev)
138 static unsigned int ticks = 0;
140 smi_disable_event(SMI_EVENT_FAST_TIMER);
141 smi_enable_event(SMI_EVENT_FAST_TIMER);
145 outb(0x80, (ticks++) & 0xFF);
147 if (!fb || fb->curmode.text)
151 void kbc_handler(smi_event_t ev)
156 void gbl_rls_handler(smi_event_t ev)
160 ecx = *(unsigned long*)0xAFFD4;
162 packet_t * packet = check_packet(ecx);
165 dologf("WARN: bad packet at %08x", ecx);
169 outputf("Got packet: type %08x", packet->type);
171 if (packet->type == 42) {
172 dump_log((char *)packet->data);
173 *(unsigned long*)0xAFFD4 = 42;
174 } else if (packet->type == 0xAA) {
175 kbd_inject_keysym('A', 1);
176 kbd_inject_keysym('A', 0);
178 *(unsigned long*)0xAFFD4 = 0x2BADD00D;