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cmd/boot.c 1.38 KB
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  // SPDX-License-Identifier: GPL-2.0+
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  /*
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   * (C) Copyright 2000-2003
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   * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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   */
  
  /*
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   * Misc boot support
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   */
  #include <common.h>
  #include <command.h>
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  #include <net.h>
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  #ifdef CONFIG_CMD_GO
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  /* Allow ports to override the default behavior */
  __attribute__((weak))
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  unsigned long do_go_exec(ulong (*entry)(int, char * const []), int argc,
  				 char * const argv[])
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  {
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  	return entry (argc, argv);
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  }
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  static int do_go(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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  {
  	ulong	addr, rc;
  	int     rcode = 0;
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  	if (argc < 2)
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  		return CMD_RET_USAGE;
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  	addr = simple_strtoul(argv[1], NULL, 16);
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  	printf ("## Starting application at 0x%08lX ...
  ", addr);
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  	/*
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  	 * pass address parameter as argv[0] (aka command name),
  	 * and all remaining args
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  	 */
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  	rc = do_go_exec ((void *)addr, argc - 1, argv + 1);
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  	if (rc != 0) rcode = 1;
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  	printf ("## Application terminated, rc = 0x%lX
  ", rc);
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  	return rcode;
  }
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  /* -------------------------------------------------------------------- */
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  U_BOOT_CMD(
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  	go, CONFIG_SYS_MAXARGS, 1,	do_go,
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  	"start application at address 'addr'",
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  	"addr [arg ...]
      - start application at address 'addr'
  "
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  	"      passing 'arg' as arguments"
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  );
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  #endif
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  U_BOOT_CMD(
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  	reset, 1, 0,	do_reset,
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  	"Perform RESET of the CPU",
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  	""
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  );
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  #ifdef CONFIG_CMD_POWEROFF
  U_BOOT_CMD(
  	poweroff, 1, 0,	do_poweroff,
  	"Perform POWEROFF of the device",
  	""
  );
  #endif