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| 4377 | svoboda | 1 | /* Copyright (c) 2008, Tim Post <tinkertim@gmail.com> |
| 2 | * All rights reserved. |
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| 3 | * |
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| 4 | * Redistribution and use in source and binary forms, with or without |
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| 5 | * modification, are permitted provided that the following conditions are met: |
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| 6 | * |
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| 7 | * Redistributions of source code must retain the above copyright notice, this |
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| 8 | * list of conditions and the following disclaimer. |
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| 9 | * |
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| 10 | * Redistributions in binary form must reproduce the above copyright notice, |
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| 11 | * this list of conditions and the following disclaimer in the documentation |
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| 12 | * and/or other materials provided with the distribution. |
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| 13 | * |
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| 14 | * Neither the name of the original program's authors nor the names of its |
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| 15 | * contributors may be used to endorse or promote products derived from this |
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| 16 | * software without specific prior written permission. |
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| 17 | * |
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
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| 19 | * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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| 20 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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| 21 | * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE |
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| 22 | * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
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| 23 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
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| 24 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
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| 25 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
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| 26 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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| 27 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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| 28 | * POSSIBILITY OF SUCH DAMAGE. |
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| 29 | */ |
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| 30 | |||
| 31 | #include <stdio.h> |
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| 32 | #include <stdlib.h> |
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| 33 | #include <console.h> |
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| 34 | #include "config.h" |
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| 35 | #include "util.h" |
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| 36 | #include "errors.h" |
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| 37 | #include "entry.h" |
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| 38 | #include "kcon.h" |
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| 39 | #include "cmds.h" |
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| 40 | |||
| 41 | static char *cmdname = "kcon"; |
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| 42 | |||
| 43 | /* Dispays help for kcon in various levels */ |
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| 44 | void help_cmd_kcon(unsigned int level) |
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| 45 | { |
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| 46 | printf("`kcon' switches to the kernel debug console.\n"); |
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| 47 | |||
| 48 | if (level != HELP_SHORT) { |
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| 49 | printf("Usage: %s\n", cmdname); |
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| 50 | } |
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| 51 | |||
| 52 | return; |
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| 53 | } |
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| 54 | |||
| 55 | /* Main entry point for kcon, accepts an array of arguments */ |
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| 56 | int cmd_kcon(char **argv) |
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| 57 | { |
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| 58 | unsigned int argc; |
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| 59 | |||
| 60 | argc = cli_count_args(argv); |
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| 61 | |||
| 62 | if (argc != 1) { |
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| 63 | printf("%s - incorrect number of arguments. Try `%s --help'\n", |
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| 64 | cmdname, cmdname); |
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| 65 | return CMD_FAILURE; |
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| 66 | } |
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| 67 | |||
| 68 | console_kcon_enable(); |
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| 69 | |||
| 70 | return CMD_SUCCESS; |
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| 71 | } |
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| 72 |