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https://github.com/u-boot/u-boot.git
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97c7ac214e
Add a test for the dm drivers command. Also fix a null pointer dereference revealed by said test. Signed-off-by: Sean Anderson <seanga2@gmail.com> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Tested-by: Bin Meng <bmeng.cn@gmail.com> Reviewed-by: Simon Glass <sjg@chromium.org>
99 lines
2.0 KiB
C
99 lines
2.0 KiB
C
// SPDX-License-Identifier: GPL-2.0+
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/*
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* Copyright (c) 2013 Google, Inc
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*
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* (C) Copyright 2012
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* Marek Vasut <marex@denx.de>
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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 <malloc.h>
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#include <mapmem.h>
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#include <errno.h>
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#include <asm/io.h>
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#include <dm/root.h>
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#include <dm/util.h>
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static int do_dm_dump_all(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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dm_dump_all();
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return 0;
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}
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static int do_dm_dump_uclass(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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dm_dump_uclass();
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return 0;
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}
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static int do_dm_dump_devres(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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dm_dump_devres();
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return 0;
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}
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static int do_dm_dump_drivers(cmd_tbl_t *cmdtp, int flag, int argc,
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char * const argv[])
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{
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dm_dump_drivers();
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return 0;
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}
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static cmd_tbl_t test_commands[] = {
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U_BOOT_CMD_MKENT(tree, 0, 1, do_dm_dump_all, "", ""),
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U_BOOT_CMD_MKENT(uclass, 1, 1, do_dm_dump_uclass, "", ""),
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U_BOOT_CMD_MKENT(devres, 1, 1, do_dm_dump_devres, "", ""),
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U_BOOT_CMD_MKENT(drivers, 1, 1, do_dm_dump_drivers, "", ""),
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};
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static __maybe_unused void dm_reloc(void)
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{
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static int relocated;
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if (!relocated) {
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fixup_cmdtable(test_commands, ARRAY_SIZE(test_commands));
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relocated = 1;
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}
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}
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static int do_dm(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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{
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cmd_tbl_t *test_cmd;
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int ret;
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#ifdef CONFIG_NEEDS_MANUAL_RELOC
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dm_reloc();
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#endif
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if (argc < 2)
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return CMD_RET_USAGE;
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test_cmd = find_cmd_tbl(argv[1], test_commands,
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ARRAY_SIZE(test_commands));
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argc -= 2;
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argv += 2;
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if (!test_cmd || argc > test_cmd->maxargs)
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return CMD_RET_USAGE;
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ret = test_cmd->cmd(test_cmd, flag, argc, argv);
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return cmd_process_error(test_cmd, ret);
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}
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U_BOOT_CMD(
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dm, 3, 1, do_dm,
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"Driver model low level access",
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"tree Dump driver model tree ('*' = activated)\n"
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"dm uclass Dump list of instances for each uclass\n"
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"dm devres Dump list of device resources for each device\n"
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"dm drivers Dump list of drivers and their compatible strings"
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);
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