mirror of
https://github.com/brain-hackers/u-boot-brain
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4c12eeb8b5
Change all files in common/ to use CMD_RET_USAGE instead of calling cmd_usage() directly. I'm not completely sure about this patch since the code since impact is small (100 byte or so on ARM) and it might need splitting into smaller patches. But for now here it is. Signed-off-by: Simon Glass <sjg@chromium.org>
143 lines
3.6 KiB
C
143 lines
3.6 KiB
C
/*
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* (C) Copyright 2002
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* Stäubli Faverges - <www.staubli.com>
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* Pierre AUBERT p.aubert@staubli.com
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for 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, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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/*
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* Dos floppy support
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*/
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#include <common.h>
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#include <config.h>
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#include <command.h>
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#include <fdc.h>
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/*-----------------------------------------------------------------------------
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* do_fdosboot --
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*-----------------------------------------------------------------------------
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*/
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int do_fdosboot(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *name;
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char *ep;
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int size;
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char buf [12];
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int drive = CONFIG_SYS_FDC_DRIVE_NUMBER;
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/* pre-set load_addr */
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if ((ep = getenv("loadaddr")) != NULL) {
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load_addr = simple_strtoul(ep, NULL, 16);
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}
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/* pre-set Boot file name */
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if ((name = getenv("bootfile")) == NULL) {
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name = "uImage";
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}
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switch (argc) {
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case 1:
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break;
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case 2:
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/* only one arg - accept two forms:
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* just load address, or just boot file name.
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* The latter form must be written "filename" here.
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*/
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if (argv[1][0] == '"') { /* just boot filename */
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name = argv [1];
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} else { /* load address */
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load_addr = simple_strtoul(argv[1], NULL, 16);
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}
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break;
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case 3:
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load_addr = simple_strtoul(argv[1], NULL, 16);
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name = argv [2];
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break;
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default:
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return CMD_RET_USAGE;
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}
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/* Init physical layer */
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if (!fdc_fdos_init (drive)) {
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return (-1);
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}
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/* Open file */
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if (dos_open (name) < 0) {
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printf ("Unable to open %s\n", name);
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return 1;
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}
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if ((size = dos_read (load_addr)) < 0) {
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printf ("boot error\n");
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return 1;
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}
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flush_cache (load_addr, size);
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sprintf(buf, "%x", size);
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setenv("filesize", buf);
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printf("Floppy DOS load complete: %d bytes loaded to 0x%lx\n",
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size, load_addr);
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return bootm_maybe_autostart(cmdtp, argv[0]);
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}
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/*-----------------------------------------------------------------------------
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* do_fdosls --
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*-----------------------------------------------------------------------------
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*/
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int do_fdosls(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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char *path = "";
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int drive = CONFIG_SYS_FDC_DRIVE_NUMBER;
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switch (argc) {
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case 1:
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break;
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case 2:
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path = argv [1];
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break;
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}
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/* Init physical layer */
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if (!fdc_fdos_init (drive)) {
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return (-1);
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}
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/* Open directory */
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if (dos_open (path) < 0) {
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printf ("Unable to open %s\n", path);
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return 1;
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}
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return (dos_dir ());
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}
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U_BOOT_CMD(
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fdosboot, 3, 0, do_fdosboot,
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"boot from a dos floppy file",
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"[loadAddr] [filename]"
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);
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U_BOOT_CMD(
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fdosls, 2, 0, do_fdosls,
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"list files in a directory",
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"[directory]"
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);
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