WebSVN – HelenOS – Diff – /trunk/boot/arch/arm32/loader/print/print.c


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

Subversion Repositories HelenOS

(root)/trunk/boot/arch/arm32/loader/print/print.c @ 4669 – Rev 2468 → 4651

Rev 2468		Rev 4651
1	/*	1	/*
2	* Copyright (c) 2007 Michal Kebrt	2	* Copyright (c) 2007 Michal Kebrt
-		3	* Copyright (c) 2009 Vineeth Pillai
3	* All rights reserved.	4	* All rights reserved.
4	*	5	*
5	* Redistribution and use in source and binary forms, with or without	6	* Redistribution and use in source and binary forms, with or without
6	* modification, are permitted provided that the following conditions	7	* modification, are permitted provided that the following conditions
7	* are met:	8	* are met:
8	*	9	*
9	* - Redistributions of source code must retain the above copyright	10	* - Redistributions of source code must retain the above copyright
10	* notice, this list of conditions and the following disclaimer.	11	* notice, this list of conditions and the following disclaimer.
11	* - Redistributions in binary form must reproduce the above copyright	12	* - Redistributions in binary form must reproduce the above copyright
12	* notice, this list of conditions and the following disclaimer in the	13	* notice, this list of conditions and the following disclaimer in the
13	* documentation and/or other materials provided with the distribution.	14	* documentation and/or other materials provided with the distribution.
14	* - The name of the author may not be used to endorse or promote products	15	* - The name of the author may not be used to endorse or promote products
15	* derived from this software without specific prior written permission.	16	* derived from this software without specific prior written permission.
16	*	17	*
17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR	18	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES	19	* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.	20	* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,	21	* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT	22	* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,	23	* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY	24	* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT	25	* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF	26	* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.	27	* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27	*/	28	*/
28		29
29		30
30	/** @addtogroup arm32boot	31	/** @addtogroup arm32boot
31	* @{	32	* @{
32	*/	33	*/
33	/** @file	34	/** @file
34	* @brief GXemul specific code.	35	* @brief bootloader output logic
35	*/	36	*/
36		37
37		38
38	#include <printf.h>	39	#include <printf.h>
39		40
40		41
41	/** Address where characters to be printed are expected. */	42	/** Address where characters to be printed are expected. */
-		43	#ifdef MACHINE_GXEMUL_TESTARM
42	#define PUTC_ADDRESS 0x10000000	44	#define PUTC_ADDRESS 0x10000000
-		45	#endif
-		46	#ifdef MACHINE_ICP
-		47	#define PUTC_ADDRESS 0x16000000
-		48	#endif
-		49
43		50
44		51
45	/** Prints a character to the console.	52	/** Prints a character to the console.
46	*	53	*
47	* @param ch Character to be printed.	54	* @param ch Character to be printed.
48	*/	55	*/
49	static void putc(char ch)	56	static void putc(char ch)
50	{	57	{
-		58	if (ch == '\n')
-		59	((volatile char ) PUTC_ADDRESS) = '\r';
51	((volatile char ) PUTC_ADDRESS) = ch;	60	((volatile char ) PUTC_ADDRESS) = ch;
52	}	61	}
53		62
54		63
55	/** Prints a string to the console.	64	/** Prints a string to the console.
56	*	65	*
57	* @param str String to be printed.	66	* @param str String to be printed.
58	* @param len Number of characters to be printed.	67	* @param len Number of characters to be printed.
59	*/	68	*/
60	void write(const char *str, const int len)	69	void write(const char *str, const int len)
61	{	70	{
62	int i;	71	int i;
63	for (i = 0; i < len; ++i) {	72	for (i = 0; i < len; ++i) {
64	putc(str[i]);	73	putc(str[i]);
65	}	74	}
66	}	75	}
67		76
68	/** @}	77	/** @}
69	*/	78	*/
70		79
71		80