mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-12-05 11:00:15 +00:00
952018117a
Update the sandbox implementation to use UCLASS_HOST and adjust all the pieces to continue to work: - Update the 'host' command to use the new API - Replace various uses of UCLASS_ROOT with UCLASS_HOST - Disable test_eficonfig since it doesn't work (this should have a unit test to allow this to be debugged) - Update the blk test to use the new API - Drop the old header file Unfortunately it does not seem to be possible to split this change up further. Signed-off-by: Simon Glass <sjg@chromium.org>
263 lines
5.7 KiB
C
263 lines
5.7 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2012, Google Inc.
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*/
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#include <common.h>
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#include <command.h>
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#include <dm.h>
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#include <fs.h>
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#include <part.h>
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#include <sandbox_host.h>
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#include <dm/device_compat.h>
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#include <dm/device-internal.h>
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#include <dm/uclass-internal.h>
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#include <linux/errno.h>
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static int do_host_load(struct cmd_tbl *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_SANDBOX);
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}
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static int do_host_ls(struct cmd_tbl *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_SANDBOX);
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}
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static int do_host_size(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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return do_size(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
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}
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static int do_host_save(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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return do_save(cmdtp, flag, argc, argv, FS_TYPE_SANDBOX);
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}
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static int do_host_bind(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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bool removable = false;
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struct udevice *dev;
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const char *label;
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char *file;
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int ret;
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/* Skip 'bind' */
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argc--;
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argv++;
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if (argc < 2)
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return CMD_RET_USAGE;
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if (!strcmp(argv[0], "-r")) {
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removable = true;
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argc--;
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argv++;
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}
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if (argc > 2)
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return CMD_RET_USAGE;
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label = argv[0];
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file = argc > 1 ? argv[1] : NULL;
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ret = host_create_attach_file(label, file, removable, &dev);
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if (ret) {
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printf("Cannot create device / bind file\n");
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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/**
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* parse_host_label() - Parse a device label or sequence number
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*
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* This shows an error if it returns NULL
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*
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* @label: String containing the label or sequence number
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* Returns: Associated device, or NULL if not found
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*/
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static struct udevice *parse_host_label(const char *label)
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{
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struct udevice *dev;
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dev = host_find_by_label(label);
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if (!dev) {
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int devnum;
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char *ep;
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devnum = hextoul(label, &ep);
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if (*ep ||
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uclass_find_device_by_seq(UCLASS_HOST, devnum, &dev)) {
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printf("No such device '%s'\n", label);
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return NULL;
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}
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}
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return dev;
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}
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static int do_host_unbind(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct udevice *dev;
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const char *label;
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int ret;
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if (argc < 2)
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return CMD_RET_USAGE;
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label = argv[1];
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dev = parse_host_label(label);
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if (!dev)
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return CMD_RET_FAILURE;
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ret = host_detach_file(dev);
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if (ret) {
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printf("Cannot detach file (err=%d)\n", ret);
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return CMD_RET_FAILURE;
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}
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ret = device_unbind(dev);
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if (ret) {
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printf("Cannot attach file\n");
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ret = device_unbind(dev);
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if (ret)
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printf("Cannot unbind device '%s'\n", dev->name);
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return CMD_RET_FAILURE;
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}
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return 0;
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}
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static void show_host_dev(struct udevice *dev)
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{
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struct host_sb_plat *plat = dev_get_plat(dev);
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struct blk_desc *desc;
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struct udevice *blk;
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int ret;
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printf("%3d ", dev_seq(dev));
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if (!plat->fd) {
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printf("Not bound to a backing file\n");
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return;
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}
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ret = blk_get_from_parent(dev, &blk);
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if (ret) /* cannot happen */
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return;
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desc = dev_get_uclass_plat(blk);
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printf("%12lu %-15s %s\n", (unsigned long)desc->lba, plat->label,
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plat->filename);
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}
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static int do_host_info(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct udevice *dev;
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if (argc < 1)
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return CMD_RET_USAGE;
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dev = NULL;
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if (argc >= 2) {
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dev = parse_host_label(argv[1]);
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if (!dev)
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return CMD_RET_FAILURE;
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}
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printf("%3s %12s %-15s %s\n", "dev", "blocks", "label", "path");
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if (dev) {
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show_host_dev(dev);
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} else {
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struct uclass *uc;
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uclass_id_foreach_dev(UCLASS_HOST, dev, uc)
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show_host_dev(dev);
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}
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return 0;
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}
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static int do_host_dev(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct udevice *dev;
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const char *label;
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if (argc < 1 || argc > 3)
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return CMD_RET_USAGE;
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if (argc == 1) {
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struct host_sb_plat *plat;
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dev = host_get_cur_dev();
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if (!dev) {
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printf("No current host device\n");
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return CMD_RET_FAILURE;
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}
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plat = dev_get_plat(dev);
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printf("Current host device: %d: %s\n", dev_seq(dev),
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plat->label);
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return 0;
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}
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label = argv[1];
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dev = parse_host_label(argv[1]);
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if (!dev)
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return CMD_RET_FAILURE;
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host_set_cur_dev(dev);
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return 0;
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}
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static struct cmd_tbl cmd_host_sub[] = {
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U_BOOT_CMD_MKENT(load, 7, 0, do_host_load, "", ""),
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U_BOOT_CMD_MKENT(ls, 3, 0, do_host_ls, "", ""),
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U_BOOT_CMD_MKENT(save, 6, 0, do_host_save, "", ""),
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U_BOOT_CMD_MKENT(size, 3, 0, do_host_size, "", ""),
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U_BOOT_CMD_MKENT(bind, 4, 0, do_host_bind, "", ""),
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U_BOOT_CMD_MKENT(unbind, 4, 0, do_host_unbind, "", ""),
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U_BOOT_CMD_MKENT(info, 3, 0, do_host_info, "", ""),
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U_BOOT_CMD_MKENT(dev, 0, 1, do_host_dev, "", ""),
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};
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static int do_host(struct cmd_tbl *cmdtp, int flag, int argc,
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char *const argv[])
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{
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struct cmd_tbl *c;
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/* Skip past 'host' */
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argc--;
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argv++;
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c = find_cmd_tbl(argv[0], cmd_host_sub, ARRAY_SIZE(cmd_host_sub));
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if (c)
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return c->cmd(cmdtp, flag, argc, argv);
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else
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return CMD_RET_USAGE;
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}
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U_BOOT_CMD(
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host, 8, 1, do_host,
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"Miscellaneous host commands",
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"load hostfs - <addr> <filename> [<bytes> <offset>] - "
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"load a file from host\n"
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"host ls hostfs - <filename> - list files on host\n"
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"host save hostfs - <addr> <filename> <bytes> [<offset>] - "
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"save a file to host\n"
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"host size hostfs - <filename> - determine size of file on host\n"
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"host bind [-r] <label> [<filename>] - bind \"host\" device to file\n"
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" -r = mark as removable\n"
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"host unbind <label> - unbind file from \"host\" device\n"
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"host info [<label>] - show device binding & info\n"
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"host dev [<label>] - set or retrieve the current host device\n"
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"host commands use the \"hostfs\" device. The \"host\" device is used\n"
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"with standard IO commands such as fatls or ext2load"
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);
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