diff --git a/libemile/emile_block0_write.c b/libemile/emile_block0_write.c
new file mode 100644
index 0000000..ae2d535
--- /dev/null
+++ b/libemile/emile_block0_write.c
@@ -0,0 +1,25 @@
+static __attribute__((used)) char* rcsid = "$CVSHeader$";
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+
+#include <sys/types.h>
+#include <unistd.h>
+
+#include "partition.h"
+#include "libemile.h"
+
+int emile_block0_write(emile_map_t *map)
+{
+	int ret;
+
+	ret = lseek(map->fd, 0, SEEK_SET);
+	if (ret != 0)
+		return -1;
+
+	ret = write(map->fd, &map->drivers, sizeof(map->drivers));
+
+	return ret;
+}
diff --git a/libemile/emile_map_set_bootinfo.c b/libemile/emile_map_set_bootinfo.c
new file mode 100644
index 0000000..cf2db73
--- /dev/null
+++ b/libemile/emile_map_set_bootinfo.c
@@ -0,0 +1,29 @@
+static __attribute__((used)) char* rcsid = "$CVSHeader$";
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+
+#include <string.h>
+
+#include "partition.h"
+#include "libemile.h"
+
+int emile_map_set_bootinfo(emile_map_t *map, int bootstart, int bootsize,
+		           int bootaddr, int bootentry, int checksum,
+			   char* processor)
+{
+	 if (!emile_map_is_valid(map))
+		 return -1;
+
+	map->partition.LgBootStart = bootstart;
+	map->partition.BootSize = bootsize;
+	map->partition.BootAddr = bootaddr;
+	map->partition.BootEntry = bootentry;
+	map->partition.BootCksum = checksum;
+	memset(map->partition.Processor, 0, sizeof(map->partition.Processor));
+	strcpy(map->partition.Processor, processor);
+
+	return 0;
+}
diff --git a/libemile/emile_map_set_driver_info.c b/libemile/emile_map_set_driver_info.c
new file mode 100644
index 0000000..14600e5
--- /dev/null
+++ b/libemile/emile_map_set_driver_info.c
@@ -0,0 +1,25 @@
+static __attribute__((used)) char* rcsid = "$CVSHeader$";
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+
+#include "partition.h"
+#include "libemile.h"
+
+int emile_map_set_driver_info(emile_map_t *map, int number,
+			      int block, int size, int type)
+{
+	if (!emile_map_is_valid(map))
+		return -1;
+
+	if (number >= DD_MAX_DRIVER)
+		return -1;
+
+	map->drivers.DrvInfo[number].Block = block;
+	map->drivers.DrvInfo[number].Size = size;
+	map->drivers.DrvInfo[number].Type = type;
+
+	return 0;
+}
diff --git a/libemile/emile_map_set_driver_number.c b/libemile/emile_map_set_driver_number.c
new file mode 100644
index 0000000..1f6b8e4
--- /dev/null
+++ b/libemile/emile_map_set_driver_number.c
@@ -0,0 +1,22 @@
+static __attribute__((used)) char* rcsid = "$CVSHeader$";
+/*
+ *
+ * (c) 2004 Laurent Vivier <LaurentVivier@wanadoo.fr>
+ *
+ */
+
+#include "partition.h"
+#include "libemile.h"
+
+int emile_map_set_driver_number(emile_map_t *map, int number)
+{
+	if (!emile_map_is_valid(map))
+		return -1;
+
+	if (number >= DD_MAX_DRIVER)
+		return -1;
+
+	map->drivers.DrvrCount = number;
+
+	return 0;
+}