116 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			116 lines
		
	
	
		
			2.6 KiB
		
	
	
	
		
			C
		
	
	
	
// SPDX-License-Identifier: GPL-2.0+
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/*
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 * 'bootmeth' command
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 *
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 * Copyright 2021 Google LLC
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 * Written by Simon Glass <sjg@chromium.org>
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 */
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#include <common.h>
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#include <bootdev.h>
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#include <bootmeth.h>
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#include <bootstd.h>
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#include <command.h>
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#include <dm.h>
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#include <malloc.h>
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#include <dm/uclass-internal.h>
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static int do_bootmeth_list(struct cmd_tbl *cmdtp, int flag, int argc,
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			    char *const argv[])
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{
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	struct bootstd_priv *std;
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	struct udevice *dev;
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	bool use_order;
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	bool all = false;
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	int ret;
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	int i;
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	if (argc > 1 && *argv[1] == '-') {
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		all = strchr(argv[1], 'a');
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		argc--;
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		argv++;
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	}
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	ret = bootstd_get_priv(&std);
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	if (ret) {
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		printf("Cannot get bootstd (err=%d)\n", ret);
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		return CMD_RET_FAILURE;
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	}
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	printf("Order  Seq  Name                Description\n");
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	printf("-----  ---  ------------------  ------------------\n");
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	/*
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	 * Use the ordering if we have one, so long as we are not trying to list
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	 * all bootmethds
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	 */
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	use_order = std->bootmeth_count && !all;
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	if (use_order)
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		dev = std->bootmeth_order[0];
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	else
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		ret = uclass_find_first_device(UCLASS_BOOTMETH, &dev);
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	for (i = 0; dev;) {
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		struct bootmeth_uc_plat *ucp = dev_get_uclass_plat(dev);
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		int order = i;
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		/*
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		 * With the -a flag we may list bootdevs that are not in the
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		 * ordering. Find their place in the order
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		 */
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		if (all && std->bootmeth_count) {
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			int j;
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			/* Find the position of this bootmeth in the order */
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			order = -1;
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			for (j = 0; j < std->bootmeth_count; j++) {
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				if (std->bootmeth_order[j] == dev)
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					order = j;
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			}
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		}
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		if (ucp->flags & BOOTMETHF_GLOBAL)
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			printf("%5s", "glob");
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		else if (order == -1)
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			printf("%5s", "-");
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		else
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			printf("%5x", order);
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		printf("  %3x  %-19.19s %s\n", dev_seq(dev), dev->name,
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		       ucp->desc);
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		i++;
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		if (use_order)
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			dev = std->bootmeth_order[i];
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		else
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			uclass_find_next_device(&dev);
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	}
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	printf("-----  ---  ------------------  ------------------\n");
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	printf("(%d bootmeth%s)\n", i, i != 1 ? "s" : "");
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	return 0;
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}
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static int do_bootmeth_order(struct cmd_tbl *cmdtp, int flag, int argc,
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			     char *const argv[])
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{
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	int ret;
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	ret = bootmeth_set_order(argv[1]);
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	if (ret) {
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		printf("Failed (err=%d)\n", ret);
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		return CMD_RET_FAILURE;
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	}
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	env_set("bootmeths", argv[1]);
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	return 0;
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}
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#ifdef CONFIG_SYS_LONGHELP
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static char bootmeth_help_text[] =
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	"list [-a]     - list available bootmeths (-a all)\n"
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	"bootmeth order [<bd> ...]  - select bootmeth order / subset to use";
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#endif
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U_BOOT_CMD_WITH_SUBCMDS(bootmeth, "Boot methods", bootmeth_help_text,
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	U_BOOT_SUBCMD_MKENT(list, 2, 1, do_bootmeth_list),
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	U_BOOT_SUBCMD_MKENT(order, CONFIG_SYS_MAXARGS, 1, do_bootmeth_order));
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