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![Simon Glass](/assets/img/avatar_default.png)
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>
90 lines
2.5 KiB
C
90 lines
2.5 KiB
C
/*
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* Copyright 2008-2009 Freescale Semiconductor, Inc.
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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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#include <common.h>
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#include <command.h>
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int
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cpu_cmd(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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unsigned long cpuid;
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if (argc < 3)
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return CMD_RET_USAGE;
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cpuid = simple_strtoul(argv[1], NULL, 10);
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if (!is_core_valid(cpuid)) {
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printf ("Core num: %lu is not valid\n", cpuid);
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return 1;
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}
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if (argc == 3) {
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if (strncmp(argv[2], "reset", 5) == 0)
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cpu_reset(cpuid);
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else if (strncmp(argv[2], "status", 6) == 0)
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cpu_status(cpuid);
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else if (strncmp(argv[2], "disable", 7) == 0)
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return cpu_disable(cpuid);
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else
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return CMD_RET_USAGE;
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return 0;
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}
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/* 4 or greater, make sure its release */
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if (strncmp(argv[2], "release", 7) != 0)
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return CMD_RET_USAGE;
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if (cpu_release(cpuid, argc - 3, argv + 3))
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return CMD_RET_USAGE;
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return 0;
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}
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#ifdef CONFIG_PPC
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#define CPU_ARCH_HELP \
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" [args] : <pir> <r3> <r6>\n" \
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" pir - processor id (if writeable)\n" \
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" r3 - value for gpr 3\n" \
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" r6 - value for gpr 6\n" \
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"\n" \
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" Use '-' for any arg if you want the default value.\n" \
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" Default for r3 is <num> and r6 is 0\n" \
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"\n" \
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" When cpu <num> is released r4 and r5 = 0.\n" \
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" r7 will contain the size of the initial mapped area"
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#endif
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U_BOOT_CMD(
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cpu, CONFIG_SYS_MAXARGS, 1, cpu_cmd,
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"Multiprocessor CPU boot manipulation and release",
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"<num> reset - Reset cpu <num>\n"
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"cpu <num> status - Status of cpu <num>\n"
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"cpu <num> disable - Disable cpu <num>\n"
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"cpu <num> release <addr> [args] - Release cpu <num> at <addr> with [args]"
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#ifdef CPU_ARCH_HELP
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"\n"
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CPU_ARCH_HELP
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#endif
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);
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