Eric Lee / smarc-uboot

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cmd/bootstage.c 2 KB
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d41ce506b   Eric Lee   Initial Release, ... 
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  /*
   * Copyright (c) 2012, Google Inc. All rights reserved.
   *
   * SPDX-License-Identifier:	GPL-2.0+
   */
  
  #include <common.h>
  
  static int do_bootstage_report(cmd_tbl_t *cmdtp, int flag, int argc,
  			       char * const argv[])
  {
  	bootstage_report();
  
  	return 0;
  }
  
  static int get_base_size(int argc, char * const argv[], ulong *basep,
  			 ulong *sizep)
  {
  	char *endp;
  
  	*basep = CONFIG_BOOTSTAGE_STASH_ADDR;
  	*sizep = CONFIG_BOOTSTAGE_STASH_SIZE;
  	if (argc < 2)
  		return 0;
  	*basep = simple_strtoul(argv[1], &endp, 16);
  	if (*argv[1] == 0 || *endp != 0)
  		return -1;
  	if (argc == 2)
  		return 0;
  	*sizep = simple_strtoul(argv[2], &endp, 16);
  	if (*argv[2] == 0 || *endp != 0)
  		return -1;
  
  	return 0;
  }
  
  static int do_bootstage_stash(cmd_tbl_t *cmdtp, int flag, int argc,
  			      char * const argv[])
  {
  	ulong base, size;
  	int ret;
  
  	if (get_base_size(argc, argv, &base, &size))
  		return CMD_RET_USAGE;
  	if (base == -1UL) {
  		printf("No bootstage stash area defined
  ");
  		return 1;
  	}
  
  	if (0 == strcmp(argv[0], "stash"))
  		ret = bootstage_stash((void *)base, size);
  	else
  		ret = bootstage_unstash((void *)base, size);
  	if (ret)
  		return 1;
  
  	return 0;
  }
  
  static cmd_tbl_t cmd_bootstage_sub[] = {
  	U_BOOT_CMD_MKENT(report, 2, 1, do_bootstage_report, "", ""),
  	U_BOOT_CMD_MKENT(stash, 4, 0, do_bootstage_stash, "", ""),
  	U_BOOT_CMD_MKENT(unstash, 4, 0, do_bootstage_stash, "", ""),
  };
  
  /*
   * Process a bootstage sub-command
   */
  static int do_boostage(cmd_tbl_t *cmdtp, int flag, int argc,
  		       char * const argv[])
  {
  	cmd_tbl_t *c;
  
  	/* Strip off leading 'bootstage' command argument */
  	argc--;
  	argv++;
  
  	c = find_cmd_tbl(argv[0], cmd_bootstage_sub,
  			 ARRAY_SIZE(cmd_bootstage_sub));
  
  	if (c)
  		return c->cmd(cmdtp, flag, argc, argv);
  	else
  		return CMD_RET_USAGE;
  }
  
  
  U_BOOT_CMD(bootstage, 4, 1, do_boostage,
  	"Boot stage command",
  	" - check boot progress and timing
  "
  	"report                      - Print a report
  "
  	"stash [<start> [<size>]]    - Stash data into memory
  "
  	"unstash [<start> [<size>]]  - Unstash data from memory"
  );