fel: Add "memmove" command

This also obsoletes fel-copy.c - for details see issue #78.
Signed-off-by: Bernhard Nortmann <bernhard.nortmann@web.de>

fel-copy.c

-/*
- * (C) Copyright 2011 Henrik Nordstrom <henrik@henriknordstrom.net>
- *
- * 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., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-/*
-
-Build instructions:
-
-arm-none-linux-gnueabi-gcc  -g  -Os   -fno-common -ffixed-r8 -msoft-float -fno-builtin -ffreestanding -nostdinc -mno-thumb-interwork -Wall -Wstrict-prototypes -fno-stack-protector -Wno-format-nonliteral -Wno-format-security -fno-toplevel-reorder  fel-copy.c -c
-
-arm-none-linux-gnueabi-objcopy -O binary fel-copy.o fel-copy.bin
-
-Parameters:
-	0x2100	Destination address
-	0x2104	Source address
-	0x2108	Length
-
-Source address is updated, allowing repeated copy to same destination
-*/
-
-#define CONFIG_BASE 0x2100
-
-void copy(void)
-{
-	unsigned long *b = (void *)CONFIG_BASE;
-	unsigned long **ptr = (void *)b++;
-	unsigned long *a = *ptr;
-	unsigned long i = *b++;
-	while (i--) {
-		*b++ = *a++;
-	}
-	*ptr = a;
-}
-

fel.c

@@ -996,6 +996,7 @@ int main(int argc, char **argv)
 			"	dump address length		Binary memory dump\n"
 			"	exe[cute] address		Call function address\n"
 			"	reset64 address			RMR request for AArch64 warm boot\n"
+			"	memmove dest source size	Copy <size> bytes within device memory\n"
 			"	readl address			Read 32-bit value from device memory\n"
 			"	writel address value		Write 32-bit value to device memory\n"
 			"	read address length file	Write memory contents into file\n"
@@ -1090,6 +1091,11 @@ int main(int argc, char **argv)
 		} else if (strncmp(argv[1], "dump", 4) == 0 && argc > 3) {
 			aw_fel_dump(handle, strtoul(argv[2], NULL, 0), strtoul(argv[3], NULL, 0));
 			skip = 3;
+		} else if (strcmp(argv[1], "memmove") == 0 && argc > 4) {
+			/* three parameters: destination addr, source addr, byte count */
+			fel_memmove(handle, strtoul(argv[2], NULL, 0),
+				    strtoul(argv[3], NULL, 0), strtoul(argv[4], NULL, 0));
+			skip = 4;
 		} else if (strcmp(argv[1], "readl") == 0 && argc > 2) {
 			printf("0x%08x\n", fel_readl(handle, strtoul(argv[2], NULL, 0)));
 			skip = 2;