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Achin Gupta4f6ad662013-10-25 09:08:21 +01001/*
2 * Copyright (c) 2013, ARM Limited. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * Redistributions of source code must retain the above copyright notice, this
8 * list of conditions and the following disclaimer.
9 *
10 * Redistributions in binary form must reproduce the above copyright notice,
11 * this list of conditions and the following disclaimer in the documentation
12 * and/or other materials provided with the distribution.
13 *
14 * Neither the name of ARM nor the names of its contributors may be used
15 * to endorse or promote products derived from this software without specific
16 * prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
19 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
21 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
22 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
24 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
25 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
26 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
27 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
28 * POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#ifndef __SEMIHOSTING_H__
32#define __SEMIHOSTING_H__
33
34#define SEMIHOSTING_SYS_OPEN 0x01
35#define SEMIHOSTING_SYS_CLOSE 0x02
36#define SEMIHOSTING_SYS_WRITE0 0x04
37#define SEMIHOSTING_SYS_WRITEC 0x03
38#define SEMIHOSTING_SYS_WRITE 0x05
39#define SEMIHOSTING_SYS_READ 0x06
40#define SEMIHOSTING_SYS_READC 0x07
41#define SEMIHOSTING_SYS_SEEK 0x0A
42#define SEMIHOSTING_SYS_FLEN 0x0C
43#define SEMIHOSTING_SYS_REMOVE 0x0E
44#define SEMIHOSTING_SYS_SYSTEM 0x12
45#define SEMIHOSTING_SYS_ERRNO 0x13
46
47#define FOPEN_MODE_R 0x0
48#define FOPEN_MODE_RB 0x1
49#define FOPEN_MODE_RPLUS 0x2
50#define FOPEN_MODE_RPLUSB 0x3
51#define FOPEN_MODE_W 0x4
52#define FOPEN_MODE_WB 0x5
53#define FOPEN_MODE_WPLUS 0x6
54#define FOPEN_MODE_WPLUSB 0x7
55#define FOPEN_MODE_A 0x8
56#define FOPEN_MODE_AB 0x9
57#define FOPEN_MODE_APLUS 0xa
58#define FOPEN_MODE_APLUSB 0xb
59
60int semihosting_connection_supported(void);
61int semihosting_file_open(const char *file_name, unsigned int mode);
62int semihosting_file_seek(int file_handle, unsigned int offset);
63int semihosting_file_read(int file_handle, int *length, void *buffer);
64int semihosting_file_write(int file_handle, int *length, void *buffer);
65int semihosting_file_close(int file_handle);
66int semihosting_file_length(int file_handle);
67int semihosting_system(char *command_line);
68int semihosting_get_flen(const char* file_name);
69int semihosting_download_file(const char* file_name, int buf_size, void *buf);
70void semihosting_write_char(char character);
71void semihosting_write_string(char *string);
72char semihosting_read_char(void);
73
74#endif /* __SEMIHOSTING_H__ */