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https://github.com/brain-hackers/u-boot-brain
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cf6598193a
These commands may be used to determine the size of a file without actually reading the whole file content into memory. This may be used to determine if the file will fit into the memory buffer that will contain it. In particular, the DFU code will use it for this purpose in the next commit. Signed-off-by: Stephen Warren <swarren@nvidia.com>
67 lines
2.2 KiB
C
67 lines
2.2 KiB
C
/*
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* Copyright (c) 2012, NVIDIA CORPORATION. All rights reserved.
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*
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* Inspired by cmd_ext_common.c, cmd_fat.c.
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <common.h>
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#include <command.h>
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#include <fs.h>
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static int do_size_wrapper(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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return do_size(cmdtp, flag, argc, argv, FS_TYPE_ANY);
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}
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U_BOOT_CMD(
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size, 4, 0, do_size_wrapper,
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"determine a file's size",
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"<interface> <dev[:part]> <filename>\n"
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" - Find file 'filename' from 'dev' on 'interface'\n"
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" and determine its size."
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);
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static int do_load_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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return do_load(cmdtp, flag, argc, argv, FS_TYPE_ANY);
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}
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U_BOOT_CMD(
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load, 7, 0, do_load_wrapper,
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"load binary file from a filesystem",
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"<interface> [<dev[:part]> [<addr> [<filename> [bytes [pos]]]]]\n"
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" - Load binary file 'filename' from partition 'part' on device\n"
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" type 'interface' instance 'dev' to address 'addr' in memory.\n"
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" 'bytes' gives the size to load in bytes.\n"
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" If 'bytes' is 0 or omitted, the file is read until the end.\n"
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" 'pos' gives the file byte position to start reading from.\n"
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" If 'pos' is 0 or omitted, the file is read from the start."
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)
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static int do_ls_wrapper(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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return do_ls(cmdtp, flag, argc, argv, FS_TYPE_ANY);
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}
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U_BOOT_CMD(
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ls, 4, 1, do_ls_wrapper,
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"list files in a directory (default /)",
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"<interface> [<dev[:part]> [directory]]\n"
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" - List files in directory 'directory' of partition 'part' on\n"
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" device type 'interface' instance 'dev'."
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)
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