X-Git-Url: http://v3vee.org/palacios/gitweb/gitweb.cgi?p=palacios.git;a=blobdiff_plain;f=nautilus%2Fconsole.c;fp=nautilus%2Fconsole.c;h=f571a83b13ed357cec3e50cdf14e272a7bb140db;hp=0000000000000000000000000000000000000000;hb=66c338acdc299d7496da982999ff3cd3828e442a;hpb=68f8c4cd303c5da40c1083cbabdaf6395e4dbaa1

diff --git a/nautilus/console.c b/nautilus/console.c
new file mode 100644
index 0000000..f571a83
--- /dev/null
+++ b/nautilus/console.c
@@ -0,0 +1,140 @@
+/*
+  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;
+}
+
+
+
+