[console] Add keymap generator

Inspired by LILO's keytab-lilo.pl, genkeymap.pl uses "loadkeys -b" to
obtain a Linux keyboard map, and generates a file keymap_xx.c in
hci/keymap.

Signed-off-by: Michael Brown <mcb30@ipxe.org>

src/hci/keymap/keymap_pt.c

@@ -0,0 +1,29 @@
+/** @file
+ *
+ * "pt" keyboard mapping
+ *
+ * This file is automatically generated; do not edit
+ *
+ */
+
+FILE_LICENCE ( PUBLIC_DOMAIN );
+
+#include <ipxe/keymap.h>
+
+/** "pt" keyboard mapping */
+struct key_mapping pt_mapping[] __keymap = {
+	{ 0x1c, 0x1d },	/* 0x1c => 0x1d */
+	{ 0x1d, 0x1b },	/* 0x1d => 0x1b */
+	{ 0x22, 0x5e },	/* '"' => '^' */
+	{ 0x27, 0x7e },	/* '\'' => '~' */
+	{ 0x2f, 0x3b },	/* '/' => ';' */
+	{ 0x3f, 0x3a },	/* '?' => ':' */
+	{ 0x5b, 0x27 },	/* '[' => '\'' */
+	{ 0x5c, 0x5d },	/* '\\' => ']' */
+	{ 0x5d, 0x5b },	/* ']' => '[' */
+	{ 0x60, 0x27 },	/* '`' => '\'' */
+	{ 0x7b, 0x60 },	/* '{' => '`' */
+	{ 0x7c, 0x7d },	/* '|' => '}' */
+	{ 0x7d, 0x7b },	/* '}' => '{' */
+	{ 0x7e, 0x22 },	/* '~' => '"' */
+};