1 /* 2 * Copyright (c) 2013-2014, ARM Limited and Contributors. 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 #include <stdint.h> 35 #include <stdio.h> /* For ssize_t */ 36 37 38 #define SEMIHOSTING_SYS_OPEN 0x01 39 #define SEMIHOSTING_SYS_CLOSE 0x02 40 #define SEMIHOSTING_SYS_WRITE0 0x04 41 #define SEMIHOSTING_SYS_WRITEC 0x03 42 #define SEMIHOSTING_SYS_WRITE 0x05 43 #define SEMIHOSTING_SYS_READ 0x06 44 #define SEMIHOSTING_SYS_READC 0x07 45 #define SEMIHOSTING_SYS_SEEK 0x0A 46 #define SEMIHOSTING_SYS_FLEN 0x0C 47 #define SEMIHOSTING_SYS_REMOVE 0x0E 48 #define SEMIHOSTING_SYS_SYSTEM 0x12 49 #define SEMIHOSTING_SYS_ERRNO 0x13 50 51 #define FOPEN_MODE_R 0x0 52 #define FOPEN_MODE_RB 0x1 53 #define FOPEN_MODE_RPLUS 0x2 54 #define FOPEN_MODE_RPLUSB 0x3 55 #define FOPEN_MODE_W 0x4 56 #define FOPEN_MODE_WB 0x5 57 #define FOPEN_MODE_WPLUS 0x6 58 #define FOPEN_MODE_WPLUSB 0x7 59 #define FOPEN_MODE_A 0x8 60 #define FOPEN_MODE_AB 0x9 61 #define FOPEN_MODE_APLUS 0xa 62 #define FOPEN_MODE_APLUSB 0xb 63 64 long semihosting_connection_supported(void); 65 long semihosting_file_open(const char *file_name, size_t mode); 66 long semihosting_file_seek(long file_handle, ssize_t offset); 67 long semihosting_file_read(long file_handle, size_t *length, uintptr_t buffer); 68 long semihosting_file_write(long file_handle, 69 size_t *length, 70 const uintptr_t buffer); 71 long semihosting_file_close(long file_handle); 72 long semihosting_file_length(long file_handle); 73 long semihosting_system(char *command_line); 74 long semihosting_get_flen(const char *file_name); 75 long semihosting_download_file(const char *file_name, 76 size_t buf_size, 77 uintptr_t buf); 78 void semihosting_write_char(char character); 79 void semihosting_write_string(char *string); 80 char semihosting_read_char(void); 81 82 #endif /* __SEMIHOSTING_H__ */ 83