1. Optimization for WIMBOOT mode.

2. Add WIMBOOT for UEFI mode.

wimboot/wimboot-2.7.3/src/memmap.h

@@ -0,0 +1,58 @@
+#ifndef _MEMMAP_H
+#define _MEMMAP_H
+
+/*
+ * Copyright (C) 2021 Michael Brown <mbrown@fensystems.co.uk>.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of the
+ * License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+ * 02110-1301, USA.
+ */
+
+/**
+ * @file
+ *
+ * Memory map
+ *
+ */
+
+#include <stdint.h>
+
+/** Magic value for INT 15,e820 calls */
+#define E820_SMAP 0x534d4150
+
+/** An INT 15,e820 memory map entry */
+struct e820_entry {
+	/** Start of region */
+	uint64_t start;
+	/** Length of region */
+	uint64_t len;
+	/** Type of region */
+	uint32_t type;
+	/** Extended attributes (optional) */
+	uint32_t attrs;
+} __attribute__ (( packed ));
+
+/** Normal RAM */
+#define E820_TYPE_RAM 1
+
+/** Region is enabled (if extended attributes are present) */
+#define E820_ATTR_ENABLED 0x00000001UL
+
+/** Region is non-volatile memory (if extended attributes are present) */
+#define E820_ATTR_NONVOLATILE 0x00000002UL
+
+extern struct e820_entry * memmap_next ( struct e820_entry *prev );
+
+#endif /* _MEMMAP_H */