u-boot/cmd/zip.c
Marek Vasut 3a76ba66ec cmd: zip: Use map_sysmem() with buffers in the zip command
The current implementation casts an address to a pointer. Make it more
sandbox-friendly by using map_sysmem().

Use symbolic return value for the command while updating
the return value handling.

Signed-off-by: Marek Vasut <marek.vasut+renesas@mailbox.org>
2026-02-06 09:29:53 -06:00

55 lines
1.0 KiB
C

// SPDX-License-Identifier: GPL-2.0+
/*
* (C) Copyright 2012
* Lei Wen <leiwen@marvell.com>, Marvell Inc.
*/
#include <command.h>
#include <env.h>
#include <gzip.h>
#include <mapmem.h>
#include <vsprintf.h>
static int do_zip(struct cmd_tbl *cmdtp, int flag, int argc, char *const argv[])
{
unsigned long src, dst;
unsigned long src_len, dst_len = ~0UL;
void *srcp, *dstp;
int ret;
switch (argc) {
case 5:
dst_len = hextoul(argv[4], NULL);
/* fall through */
case 4:
src = hextoul(argv[1], NULL);
src_len = hextoul(argv[2], NULL);
dst = hextoul(argv[3], NULL);
break;
default:
return cmd_usage(cmdtp);
}
srcp = map_sysmem(src, src_len);
dstp = map_sysmem(dst, dst_len);
ret = gzip(dstp, &dst_len, srcp, src_len);
unmap_sysmem(dstp);
unmap_sysmem(srcp);
if (ret)
return CMD_RET_FAILURE;
printf("Compressed size: %lu = 0x%lX\n", dst_len, dst_len);
env_set_hex("filesize", dst_len);
return CMD_RET_SUCCESS;
}
U_BOOT_CMD(
zip, 5, 1, do_zip,
"zip a memory region",
"srcaddr srcsize dstaddr [dstsize]"
);