summaryrefslogtreecommitdiff
path: root/cmd/unzip.c
diff options
context:
space:
mode:
Diffstat (limited to 'cmd/unzip.c')
-rw-r--r--cmd/unzip.c88
1 files changed, 88 insertions, 0 deletions
diff --git a/cmd/unzip.c b/cmd/unzip.c
new file mode 100644
index 0000000..0686be6
--- /dev/null
+++ b/cmd/unzip.c
@@ -0,0 +1,88 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <command.h>
+
+static int do_unzip(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
+{
+ unsigned long src, dst;
+ unsigned long src_len = ~0UL, dst_len = ~0UL;
+
+ switch (argc) {
+ case 4:
+ dst_len = simple_strtoul(argv[3], NULL, 16);
+ /* fall through */
+ case 3:
+ src = simple_strtoul(argv[1], NULL, 16);
+ dst = simple_strtoul(argv[2], NULL, 16);
+ break;
+ default:
+ return CMD_RET_USAGE;
+ }
+
+ if (gunzip((void *) dst, dst_len, (void *) src, &src_len) != 0)
+ return 1;
+
+ printf("Uncompressed size: %ld = 0x%lX\n", src_len, src_len);
+ setenv_hex("filesize", src_len);
+
+ return 0;
+}
+
+U_BOOT_CMD(
+ unzip, 4, 1, do_unzip,
+ "unzip a memory region",
+ "srcaddr dstaddr [dstsize]"
+);
+
+static int do_gzwrite(cmd_tbl_t *cmdtp, int flag,
+ int argc, char * const argv[])
+{
+ block_dev_desc_t *bdev;
+ int ret;
+ unsigned char *addr;
+ unsigned long length;
+ unsigned long writebuf = 1<<20;
+ u64 startoffs = 0;
+ u64 szexpected = 0;
+
+ if (argc < 5)
+ return CMD_RET_USAGE;
+ ret = get_device(argv[1], argv[2], &bdev);
+ if (ret < 0)
+ return CMD_RET_FAILURE;
+
+ addr = (unsigned char *)simple_strtoul(argv[3], NULL, 16);
+ length = simple_strtoul(argv[4], NULL, 16);
+
+ if (5 < argc) {
+ writebuf = simple_strtoul(argv[5], NULL, 16);
+ if (6 < argc) {
+ startoffs = simple_strtoull(argv[6], NULL, 16);
+ if (7 < argc)
+ szexpected = simple_strtoull(argv[7],
+ NULL, 16);
+ }
+ }
+
+ ret = gzwrite(addr, length, bdev, writebuf, startoffs, szexpected);
+
+ return ret ? CMD_RET_FAILURE : CMD_RET_SUCCESS;
+}
+
+U_BOOT_CMD(
+ gzwrite, 8, 0, do_gzwrite,
+ "unzip and write memory to block device",
+ "<interface> <dev> <addr> length [wbuf=1M [offs=0 [outsize=0]]]\n"
+ "\twbuf is the size in bytes (hex) of write buffer\n"
+ "\t\tand should be padded to erase size for SSDs\n"
+ "\toffs is the output start offset in bytes (hex)\n"
+ "\toutsize is the size of the expected output (hex bytes)\n"
+ "\t\tand is required for files with uncompressed lengths\n"
+ "\t\t4 GiB or larger\n"
+);