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2323 kebrt 1
/*
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 * Copyright (c) 2007 Michal Kebrt
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 * Copyright (c) 2009 Vineeth Pillai
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 * All rights reserved.
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 *
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 * Redistribution and use in source and binary forms, with or without
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 * modification, are permitted provided that the following conditions
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 * are met:
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 *
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 * - Redistributions of source code must retain the above copyright
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 *   notice, this list of conditions and the following disclaimer.
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 * - Redistributions in binary form must reproduce the above copyright
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 *   notice, this list of conditions and the following disclaimer in the
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 *   documentation and/or other materials provided with the distribution.
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 * - The name of the author may not be used to endorse or promote products
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 *   derived from this software without specific prior written permission.
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 *
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 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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/** @addtogroup arm32boot
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 * @{
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 */
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/** @file
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 *  @brief bootloader output logic
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 */
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#include <printf.h>
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/** Address where characters to be printed are expected. */
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#ifdef MACHINE_testarm
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    #define PUTC_ADDRESS  0x10000000
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#endif
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#ifdef MACHINE_integratorcp
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    #define PUTC_ADDRESS  0x16000000
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#endif
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/** Prints a character to the console.
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 *
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 * @param ch Character to be printed.
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 */
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static void putc(char ch)
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{
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    if (ch == '\n')
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        *((volatile char *) PUTC_ADDRESS) = '\r';
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    *((volatile char *) PUTC_ADDRESS) = ch;
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}
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/** Prints a string to the console.
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 *
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 * @param str String to be printed.
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 * @param len Number of characters to be printed.
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 */
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void write(const char *str, const int len)
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{
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    int i;
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    for (i = 0; i < len; ++i) {
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        putc(str[i]);
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    }
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}
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/** @}
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 */
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