From 47248e08256f17ff29cdd029cf653511095886d7 Mon Sep 17 00:00:00 2001
From: robertmh <robertmh@localhost>
Date: Thu, 29 May 2008 18:15:27 +0000
Subject: [PATCH] 2008-05-29  Robert Millan  <rmh@aybabtu.com>

        * term/i386/pc/at_keyboard.c: Include `grub/machine/machine.h'.
        (OLPC_UP, OLPC_DOWN, OLPC_LEFT, OLPC_RIGHT): New macros.
        [GRUB_MACHINE_IEEE1275] (keyboard_map): Add OLPC scan codes
        (grub_console_checkkey): Add grub_dprintf() call to report unknown
        scan codes.
---
 ChangeLog                  |  8 ++++++++
 term/i386/pc/at_keyboard.c | 38 +++++++++++++++++++++++++++++---------
 2 files changed, 37 insertions(+), 9 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f70fdfddb..f69678bab 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,11 @@
+2008-05-29  Robert Millan  <rmh@aybabtu.com>
+
+	* term/i386/pc/at_keyboard.c: Include `grub/machine/machine.h'.
+	(OLPC_UP, OLPC_DOWN, OLPC_LEFT, OLPC_RIGHT): New macros.
+	[GRUB_MACHINE_IEEE1275] (keyboard_map): Add OLPC scan codes
+	(grub_console_checkkey): Add grub_dprintf() call to report unknown
+	scan codes.
+
 2008-05-29  Robert Millan  <rmh@aybabtu.com>
 
 	* term/i386/pc/at_keyboard.c (grub_console_checkkey): Add support for
diff --git a/term/i386/pc/at_keyboard.c b/term/i386/pc/at_keyboard.c
index 2417bf5f4..b62cd6678 100644
--- a/term/i386/pc/at_keyboard.c
+++ b/term/i386/pc/at_keyboard.c
@@ -17,6 +17,7 @@
  */
 
 #include <grub/machine/console.h>
+#include <grub/machine/machine.h>
 #include <grub/cpu/io.h>
 #include <grub/misc.h>
 #include <grub/term.h>
@@ -51,6 +52,18 @@
 
 static short at_keyboard_status = 0;
 
+#ifdef GRUB_MACHINE_IEEE1275
+#define OLPC_UP		GRUB_TERM_UP
+#define OLPC_DOWN	GRUB_TERM_DOWN
+#define OLPC_LEFT	GRUB_TERM_LEFT
+#define OLPC_RIGHT	GRUB_TERM_RIGHT
+#else
+#define OLPC_UP		'\0'
+#define OLPC_DOWN	'\0'
+#define OLPC_LEFT	'\0'
+#define OLPC_RIGHT	'\0'
+#endif
+
 static char keyboard_map[128] =
 {
   '\0', GRUB_TERM_ESC, '1', '2', '3', '4', '5', '6',
@@ -63,7 +76,10 @@ static char keyboard_map[128] =
   '\0', ' ', '\0', '\0', '\0', '\0', '\0', '\0',
   '\0', '\0', '\0', '\0', '\0', '\0', '\0', GRUB_TERM_HOME,
   GRUB_TERM_UP, GRUB_TERM_NPAGE, '-', GRUB_TERM_LEFT, '\0', GRUB_TERM_RIGHT, '+', GRUB_TERM_END,
-  GRUB_TERM_DOWN, GRUB_TERM_PPAGE, '\0', GRUB_TERM_DC
+  GRUB_TERM_DOWN, GRUB_TERM_PPAGE, '\0', GRUB_TERM_DC, '\0', '\0', '\0', '\0',
+  '\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0',
+  '\0', '\0', '\0', '\0', '\0', OLPC_UP, OLPC_DOWN, OLPC_LEFT,
+  OLPC_RIGHT
 };
 
 static char keyboard_map_shift[128] =
@@ -167,14 +183,14 @@ grub_keyboard_getkey (void)
 int
 grub_console_checkkey (void)
 {
-  int key;
-  key = grub_keyboard_getkey ();
-  if (key == -1)
+  int code, key;
+  code = grub_keyboard_getkey ();
+  if (code == -1)
     return -1;
 #ifdef DEBUG_AT_KEYBOARD
   grub_dprintf ("atkeyb", "Detected key 0x%x\n", key);
 #endif
-  switch (key)
+  switch (code)
     {
       case CAPS_LOCK:
 	at_keyboard_status ^= KEYBOARD_STATUS_CAPS_LOCK;
@@ -187,12 +203,16 @@ grub_console_checkkey (void)
 	break;
       default:
 	if (at_keyboard_status & (KEYBOARD_STATUS_CTRL_L | KEYBOARD_STATUS_CTRL_R))
-	  key = keyboard_map[key] - 'a' + 1;
+	  key = keyboard_map[code] - 'a' + 1;
 	else if ((at_keyboard_status & (KEYBOARD_STATUS_SHIFT_L | KEYBOARD_STATUS_SHIFT_R))
-	    && keyboard_map_shift[key])
-	  key = keyboard_map_shift[key];
+	    && keyboard_map_shift[code])
+	  key = keyboard_map_shift[code];
 	else
-	  key = keyboard_map[key];
+	  key = keyboard_map[code];
+
+	if (key == 0)
+	  grub_dprintf ("atkeyb", "Unknown key 0x%x detected\n", code);
+
 	if (at_keyboard_status & KEYBOARD_STATUS_CAPS_LOCK)
 	  {
 	    if ((key >= 'a') && (key <= 'z'))