| 1 | /*
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| 2 | * Copyright (c) 2007 Michal Kebrt
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| 3 | * Copyright (c) 2009 Vineeth Pillai
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| 4 | * Copyright (c) 2010 Jiri Svoboda
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| 5 | * Copyright (c) 2013 Jakub Klama
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| 6 | * All rights reserved.
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| 7 | *
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| 8 | * Redistribution and use in source and binary forms, with or without
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| 9 | * modification, are permitted provided that the following conditions
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| 10 | * are met:
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| 11 | *
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| 12 | * - Redistributions of source code must retain the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer.
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| 14 | * - Redistributions in binary form must reproduce the above copyright
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| 15 | * notice, this list of conditions and the following disclaimer in the
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| 16 | * documentation and/or other materials provided with the distribution.
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| 17 | * - The name of the author may not be used to endorse or promote products
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| 18 | * derived from this software without specific prior written permission.
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| 19 | *
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| 20 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 21 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 22 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 23 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 24 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 25 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 26 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 27 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 28 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 29 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 30 | */
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| 31 |
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| 32 | /** @addtogroup sparc32boot
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| 33 | * @{
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| 34 | */
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| 35 | /** @file
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| 36 | * @brief bootloader output logic
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| 37 | */
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| 38 |
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| 39 | #include <typedefs.h>
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| 40 | #include <arch/asm.h>
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| 41 | #include <arch/arch.h>
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| 42 | #include <arch/main.h>
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| 43 | #include <arch/mm.h>
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| 44 | #include <putchar.h>
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| 45 | #include <str.h>
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| 46 |
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| 47 | /** Send a byte to the LEON3 serial console.
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| 48 | *
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| 49 | * @param byte Byte to send.
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| 50 | *
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| 51 | */
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| 52 | static void scons_sendb(uint8_t byte)
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| 53 | {
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| 54 | asi_u32_write(ASI_MMUBYPASS, APBUART_SCONS_THR, byte);
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| 55 | }
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| 56 |
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| 57 | /** Display a character
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| 58 | *
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| 59 | * @param ch Character to display
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| 60 | *
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| 61 | */
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| 62 | void putchar(const wchar_t ch)
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| 63 | {
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| 64 | if (ch == '\n')
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| 65 | scons_sendb('\r');
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| 66 |
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| 67 | if (ascii_check(ch))
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| 68 | scons_sendb((uint8_t) ch);
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| 69 | else
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| 70 | scons_sendb(U_SPECIAL);
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| 71 | }
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| 72 |
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| 73 | /** @}
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| 74 | */
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