--- /dev/null
+/*
+ Interface to Nautilus screen and keyboard
+*/
+
+#include <nautilus/nautilus.h>
+#include <nautilus/printk.h>
+#include <nautilus/cga.h>
+#include <dev/kbd.h>
+
+
+#include <palacios/vmm.h>
+
+#include <interfaces/vmm_console.h>
+#include <palacios/vmm_host_events.h>
+
+#include "palacios.h"
+
+/*
+ This is a gruesome hack to allow the VM designated by the
+ host as "the_vm" to do I/O to the standard VGA text mode console
+*/
+
+extern void *the_vm;
+
+static void * palacios_tty_open(void * private_data, unsigned int width, unsigned int height)
+{
+ if (width!=80 || height!=25) {
+ ERROR("Console is wrong size\n");
+ return 0;
+ }
+ INFO("Console connected\n");
+ return (void*)1;
+}
+
+
+static int palacios_tty_cursor_set(void * console, int x, int y)
+{
+ if (console) {
+ term_setpos(x,y);
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+static int palacios_tty_character_set(void * console, int x, int y, char c, unsigned char style)
+{
+ if (console) {
+ term_putc(c,style,x,y);
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+static int palacios_tty_scroll(void * console, int lines)
+{
+ if (console) {
+ int i;
+ for (i=0;i<lines;i++) {
+ term_scrollup();
+ }
+ return 0;
+ } else {
+ return -1;
+ }
+}
+
+
+static int palacios_set_text_resolution(void * console, int cols, int rows)
+{
+ if (console) {
+ if (cols!=80 || rows!=25) {
+ ERROR("Cannot change resolution\n");
+ return -1;
+ }
+ else return 0;
+ } else {
+ return -1;
+ }
+}
+
+static int palacios_tty_update(void * console)
+{
+ return 0;
+}
+
+static void palacios_tty_close(void * console)
+{
+ if (console) {
+ term_clear();
+ term_print("Palacios Console Finished\n");
+ }
+}
+
+static void kbd_callback(uint8_t scancode, uint8_t status)
+{
+ struct v3_keyboard_event event = {status,scancode};
+
+ //INFO("kbd callback scancode=%x\n",scancode);
+ if (the_vm) {
+ //INFO("Deliver scancode 0x%x\n",scancode);
+ v3_deliver_keyboard_event(the_vm, &event);
+ }
+}
+
+
+static struct v3_console_hooks palacios_console_hooks = {
+ .open = palacios_tty_open,
+ .set_cursor = palacios_tty_cursor_set,
+ .set_character = palacios_tty_character_set,
+ .scroll = palacios_tty_scroll,
+ .set_text_resolution = palacios_set_text_resolution,
+ .update = palacios_tty_update,
+ .close = palacios_tty_close,
+};
+
+
+
+int nautilus_console_init(void)
+{
+ term_clear();
+ term_print("Palacios Console\n");
+
+ V3_Init_Console(&palacios_console_hooks);
+
+ kbd_register_callback(kbd_callback);
+
+ return 0;
+}
+
+int nautilus_console_deinit(void)
+{
+ // nothing to do
+ return 0;
+}
+
+
+
+
