common: add zip command support

Signed-off-by: Lei Wen <leiwen@marvell.com>

common: add zip command support
Signed-off-by: Lei Wen <leiwen@marvell.com>
Lei Wen · Tom Rini
1 parent 88d52c6aff
Showing 3 changed files with 67 additions and 0 deletions Side-by-side Diff
README
common/Makefile
common/cmd_zip.c
@@ -1483,6 +1483,12 @@
 		can be displayed via the splashscreen support or the
 		bmp command.
  
+- Do compresssing for memory range:
+		CONFIG_CMD_ZIP
+
+		If this option is set, it would use zlib deflate method
+		to compress the specified memory at its best effort.
+
 - Compression support:
 		CONFIG_BZIP2
  
@@ -170,6 +170,7 @@
 COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
 COBJS-$(CONFIG_YAFFS2) += cmd_yaffs2.o
 COBJS-$(CONFIG_CMD_SPL) += cmd_spl.o
+COBJS-$(CONFIG_CMD_ZIP) += cmd_zip.o
 COBJS-$(CONFIG_CMD_ZFS) += cmd_zfs.o
  
 # others
+/*
+ * (C) Copyright 2012
+ * Lei Wen <leiwen@marvell.com>, Marvell Inc.
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * 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
+ */
+
+#include <common.h>
+#include <command.h>
+
+static int do_zip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+	unsigned long src, dst;
+	unsigned long src_len, dst_len = ~0UL;
+	char buf[32];
+
+	switch (argc) {
+		case 5:
+			dst_len = simple_strtoul(argv[4], NULL, 16);
+			/* fall through */
+		case 4:
+			src = simple_strtoul(argv[1], NULL, 16);
+			src_len = simple_strtoul(argv[2], NULL, 16);
+			dst = simple_strtoul(argv[3], NULL, 16);
+			break;
+		default:
+			return cmd_usage(cmdtp);
+	}
+
+	if (gzip((void *) dst, &dst_len, (void *) src, src_len) != 0)
+		return 1;
+
+	printf("Compressed size: %ld = 0x%lX\n", dst_len, dst_len);
+	sprintf(buf, "%lX", dst_len);
+	setenv("filesize", buf);
+
+	return 0;
+}
+
+U_BOOT_CMD(
+	zip,	5,	1,	do_zip,
+	"zip a memory region",
+	"srcaddr srcsize dstaddr [dstsize]"
+);
...	...	@@ -1483,6 +1483,12 @@
1483	1483	can be displayed via the splashscreen support or the
1484	1484	bmp command.
1485	1485
	1486	+- Do compresssing for memory range:
	1487	+ CONFIG_CMD_ZIP
	1488	+
	1489	+ If this option is set, it would use zlib deflate method
	1490	+ to compress the specified memory at its best effort.
	1491	+
1486	1492	- Compression support:
1487	1493	CONFIG_BZIP2
1488	1494
...	...	@@ -170,6 +170,7 @@
170	170	COBJS-$(CONFIG_CMD_XIMG) += cmd_ximg.o
171	171	COBJS-$(CONFIG_YAFFS2) += cmd_yaffs2.o
172	172	COBJS-$(CONFIG_CMD_SPL) += cmd_spl.o
	173	+COBJS-$(CONFIG_CMD_ZIP) += cmd_zip.o
173	174	COBJS-$(CONFIG_CMD_ZFS) += cmd_zfs.o
174	175
175	176	# others
	1	+/*
	2	+ * (C) Copyright 2012
	3	+ * Lei Wen <leiwen@marvell.com>, Marvell Inc.
	4	+ *
	5	+ * See file CREDITS for list of people who contributed to this
	6	+ * project.
	7	+ *
	8	+ * This program is free software; you can redistribute it and/or
	9	+ * modify it under the terms of the GNU General Public License as
	10	+ * published by the Free Software Foundation; either version 2 of
	11	+ * the License, or (at your option) any later version.
	12	+ *
	13	+ * This program is distributed in the hope that it will be useful,
	14	+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	+ * GNU General Public License for more details.
	17	+ *
	18	+ * You should have received a copy of the GNU General Public License
	19	+ * along with this program; if not, write to the Free Software
	20	+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
	21	+ * MA 02111-1307 USA
	22	+ */
	23	+
	24	+#include <common.h>
	25	+#include <command.h>
	26	+
	27	+static int do_zip(cmd_tbl_t cmdtp, int flag, int argc, char const argv[])
	28	+{
	29	+ unsigned long src, dst;
	30	+ unsigned long src_len, dst_len = ~0UL;
	31	+ char buf[32];
	32	+
	33	+ switch (argc) {
	34	+ case 5:
	35	+ dst_len = simple_strtoul(argv[4], NULL, 16);
	36	+ /* fall through */
	37	+ case 4:
	38	+ src = simple_strtoul(argv[1], NULL, 16);
	39	+ src_len = simple_strtoul(argv[2], NULL, 16);
	40	+ dst = simple_strtoul(argv[3], NULL, 16);
	41	+ break;
	42	+ default:
	43	+ return cmd_usage(cmdtp);
	44	+ }
	45	+
	46	+ if (gzip((void ) dst, &dst_len, (void ) src, src_len) != 0)
	47	+ return 1;
	48	+
	49	+ printf("Compressed size: %ld = 0x%lX\n", dst_len, dst_len);
	50	+ sprintf(buf, "%lX", dst_len);
	51	+ setenv("filesize", buf);
	52	+
	53	+ return 0;
	54	+}
	55	+
	56	+U_BOOT_CMD(
	57	+ zip, 5, 1, do_zip,
	58	+ "zip a memory region",
	59	+ "srcaddr srcsize dstaddr [dstsize]"
	60	+);