| 1 | /*
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| 2 | * Copyright (c) 2010 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup usb
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief Debugging support.
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| 34 | */
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| 35 | #include <stdio.h>
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| 36 | #include <ipc/ipc.h>
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| 37 |
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| 38 | #include "vhcd.h"
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| 39 |
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| 40 | /** Current debug level. */
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| 41 | int debug_level = 0;
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| 42 |
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| 43 | /** Debugging printf.
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| 44 | * This function is intended for single-line messages as it
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| 45 | * automatically prints debugging prefix at the beginning of the
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| 46 | * line.
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| 47 | *
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| 48 | * @see printf
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| 49 | * @param level Debugging level.
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| 50 | */
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| 51 | void dprintf(int level, const char *format, ...)
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| 52 | {
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| 53 | if (level > debug_level) {
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| 54 | return;
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| 55 | }
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| 56 |
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| 57 | printf("%s(%d): ", NAME, level);
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| 58 | va_list args;
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| 59 | va_start(args, format);
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| 60 | vprintf(format, args);
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| 61 | va_end(args);
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| 62 | printf("\n");
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| 63 | }
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| 64 |
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| 65 | /** Debug print informing of invalid call.
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| 66 | */
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| 67 | void dprintf_inval_call(int level, ipc_call_t call, ipcarg_t phone_hash)
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| 68 | {
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| 69 | dprintf(level, "phone%#x: invalid call [%u (%u, %u, %u, %u, %u)]",
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| 70 | phone_hash,
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| 71 | IPC_GET_METHOD(call),
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| 72 | IPC_GET_ARG1(call), IPC_GET_ARG2(call), IPC_GET_ARG3(call),
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| 73 | IPC_GET_ARG4(call), IPC_GET_ARG5(call));
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| 74 | }
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| 75 |
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| 76 | /**
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| 77 | * @}
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| 78 | */
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