alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 1 | /* |
Kshitij Sisodia | d5679cc | 2022-03-03 16:30:07 +0000 | [diff] [blame] | 2 | * Copyright (c) 2022 Arm Limited. All rights reserved. |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 3 | * SPDX-License-Identifier: Apache-2.0 |
| 4 | * |
| 5 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 6 | * you may not use this file except in compliance with the License. |
| 7 | * You may obtain a copy of the License at |
| 8 | * |
| 9 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 10 | * |
| 11 | * Unless required by applicable law or agreed to in writing, software |
| 12 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 13 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 14 | * See the License for the specific language governing permissions and |
| 15 | * limitations under the License. |
| 16 | */ |
Kshitij Sisodia | acc6b85 | 2022-03-01 10:23:11 +0000 | [diff] [blame] | 17 | #if !defined(USE_SEMIHOSTING) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 18 | |
| 19 | #include "uart_stdout.h" |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 20 | |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 21 | #include <stdio.h> |
| 22 | #include <string.h> |
| 23 | #include <time.h> |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 24 | |
| 25 | #if defined(__ARMCC_VERSION) && (__ARMCC_VERSION >= 6100100) |
| 26 | /* Arm compiler re-targeting */ |
| 27 | |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 28 | #include <rt_misc.h> |
| 29 | #include <rt_sys.h> |
| 30 | |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 31 | /* Standard IO device handles. */ |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 32 | #define STDIN 0x8001 |
| 33 | #define STDOUT 0x8002 |
| 34 | #define STDERR 0x8003 |
| 35 | |
| 36 | #define RETARGET(fun) _sys##fun |
| 37 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 38 | #if __ARMCLIB_VERSION >= 6190004 |
| 39 | #define TMPNAM_FUNCTION RETARGET(_tmpnam2) |
| 40 | #else |
| 41 | #define TMPNAM_FUNCTION RETARGET(_tmpnam) |
| 42 | #endif |
| 43 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 44 | #else |
| 45 | /* GNU compiler re-targeting */ |
| 46 | |
| 47 | /* |
| 48 | * This type is used by the _ I/O functions to denote an open |
| 49 | * file. |
| 50 | */ |
| 51 | typedef int FILEHANDLE; |
| 52 | |
| 53 | /* |
| 54 | * Open a file. May return -1 if the file failed to open. |
| 55 | */ |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 56 | extern FILEHANDLE _open(const char* /*name*/, int /*openmode*/); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 57 | |
| 58 | /* Standard IO device handles. */ |
| 59 | #define STDIN 0x00 |
| 60 | #define STDOUT 0x01 |
| 61 | #define STDERR 0x02 |
| 62 | |
| 63 | #define RETARGET(fun) fun |
| 64 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 65 | #define TMPNAM_FUNCTION RETARGET(_tmpnam) |
| 66 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 67 | #endif |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 68 | |
| 69 | /* Standard IO device name defines. */ |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 70 | const char __stdin_name[] __attribute__((aligned(4))) = "STDIN"; |
| 71 | const char __stdout_name[] __attribute__((aligned(4))) = "STDOUT"; |
| 72 | const char __stderr_name[] __attribute__((aligned(4))) = "STDERR"; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 73 | |
Kshitij Sisodia | d5679cc | 2022-03-03 16:30:07 +0000 | [diff] [blame] | 74 | __attribute__((noreturn)) static void UartEndSimulation(int code) |
| 75 | { |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 76 | UartPutc((char)0x4); // End of simulation |
| 77 | UartPutc((char)code); // Exit code |
| 78 | while (1) |
| 79 | ; |
Kshitij Sisodia | d5679cc | 2022-03-03 16:30:07 +0000 | [diff] [blame] | 80 | } |
| 81 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 82 | void _ttywrch(int ch) |
| 83 | { |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 84 | (void)fputc(ch, stdout); |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 85 | } |
| 86 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 87 | FILEHANDLE RETARGET(_open)(const char* name, int openmode) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 88 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 89 | (void)(openmode); |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 90 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 91 | if (strcmp(name, __stdin_name) == 0) { |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 92 | return (STDIN); |
| 93 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 94 | |
| 95 | if (strcmp(name, __stdout_name) == 0) { |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 96 | return (STDOUT); |
| 97 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 98 | |
| 99 | if (strcmp(name, __stderr_name) == 0) { |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 100 | return (STDERR); |
| 101 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 102 | |
| 103 | return -1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 104 | } |
| 105 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 106 | int RETARGET(_write)(FILEHANDLE fh, const unsigned char* buf, unsigned int len, int mode) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 107 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 108 | (void)(mode); |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 109 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 110 | switch (fh) { |
| 111 | case STDOUT: |
| 112 | case STDERR: { |
| 113 | int c; |
| 114 | |
| 115 | while (len-- > 0) { |
| 116 | c = fputc(*buf++, stdout); |
| 117 | if (c == EOF) { |
| 118 | return EOF; |
| 119 | } |
| 120 | } |
| 121 | |
| 122 | return 0; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 123 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 124 | default: |
| 125 | return EOF; |
| 126 | } |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 127 | } |
| 128 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 129 | int RETARGET(_read)(FILEHANDLE fh, unsigned char* buf, unsigned int len, int mode) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 130 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 131 | (void)(mode); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 132 | |
| 133 | switch (fh) { |
| 134 | case STDIN: { |
| 135 | int c; |
| 136 | |
| 137 | while (len-- > 0) { |
| 138 | c = fgetc(stdin); |
| 139 | if (c == EOF) { |
| 140 | return EOF; |
| 141 | } |
| 142 | |
| 143 | *buf++ = (unsigned char)c; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 144 | } |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 145 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 146 | return 0; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 147 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 148 | default: |
| 149 | return EOF; |
| 150 | } |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 151 | } |
| 152 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 153 | int RETARGET(_istty)(FILEHANDLE fh) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 154 | { |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 155 | switch (fh) { |
| 156 | case STDIN: |
| 157 | case STDOUT: |
| 158 | case STDERR: |
| 159 | return 1; |
| 160 | default: |
| 161 | return 0; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 162 | } |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 163 | } |
| 164 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 165 | int RETARGET(_close)(FILEHANDLE fh) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 166 | { |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 167 | if (RETARGET(_istty(fh))) { |
| 168 | return 0; |
| 169 | } |
| 170 | |
| 171 | return -1; |
| 172 | } |
| 173 | |
| 174 | int RETARGET(_seek)(FILEHANDLE fh, long pos) |
| 175 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 176 | (void)(fh); |
| 177 | (void)(pos); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 178 | |
| 179 | return -1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 180 | } |
| 181 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 182 | int RETARGET(_ensure)(FILEHANDLE fh) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 183 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 184 | (void)(fh); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 185 | |
| 186 | return -1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 187 | } |
| 188 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 189 | long RETARGET(_flen)(FILEHANDLE fh) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 190 | { |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 191 | if (RETARGET(_istty)(fh)) { |
| 192 | return 0; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 193 | } |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 194 | |
| 195 | return -1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 196 | } |
| 197 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 198 | int TMPNAM_FUNCTION(char* name, int sig, unsigned int maxlen) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 199 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 200 | (void)(name); |
| 201 | (void)(sig); |
| 202 | (void)(maxlen); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 203 | |
| 204 | return 1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 205 | } |
| 206 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 207 | char* RETARGET(_command_string)(char* cmd, int len) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 208 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 209 | (void)(len); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 210 | |
| 211 | return cmd; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 212 | } |
| 213 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 214 | void RETARGET(_exit)(int return_code) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 215 | { |
| 216 | UartEndSimulation(return_code); |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 217 | while (1) |
| 218 | ; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 219 | } |
| 220 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 221 | int system(const char* cmd) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 222 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 223 | (void)(cmd); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 224 | |
| 225 | return 0; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 226 | } |
| 227 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 228 | time_t time(time_t* timer) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 229 | { |
| 230 | time_t current; |
| 231 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 232 | current = 0; // To Do !! No RTC implemented |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 233 | |
| 234 | if (timer != NULL) { |
| 235 | *timer = current; |
| 236 | } |
| 237 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 238 | return current; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 239 | } |
| 240 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 241 | void _clock_init(void) {} |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 242 | |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 243 | clock_t clock(void) |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 244 | { |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 245 | return (clock_t)-1; |
alexander | 3c79893 | 2021-03-26 21:42:19 +0000 | [diff] [blame] | 246 | } |
| 247 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 248 | int remove(const char* arg) |
| 249 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 250 | (void)(arg); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 251 | |
| 252 | return 0; |
| 253 | } |
| 254 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 255 | int rename(const char* oldn, const char* newn) |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 256 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 257 | (void)(oldn); |
| 258 | (void)(newn); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 259 | |
| 260 | return 0; |
| 261 | } |
| 262 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 263 | int fputc(int ch, FILE* f) |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 264 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 265 | (void)(f); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 266 | |
| 267 | return UartPutc(ch); |
| 268 | } |
| 269 | |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 270 | int fgetc(FILE* f) |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 271 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 272 | (void)(f); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 273 | |
| 274 | return UartPutc(UartGetc()); |
| 275 | } |
| 276 | |
| 277 | #ifndef ferror |
| 278 | |
| 279 | /* arm-none-eabi-gcc with newlib uses a define for ferror */ |
Kshitij Sisodia | 7fbce74 | 2022-10-31 15:09:46 +0000 | [diff] [blame^] | 280 | int ferror(FILE* f) |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 281 | { |
alexander | 31ae9f0 | 2022-02-10 16:15:54 +0000 | [diff] [blame] | 282 | (void)(f); |
Kshitij Sisodia | f9c19ea | 2021-05-07 16:08:14 +0100 | [diff] [blame] | 283 | |
| 284 | return EOF; |
| 285 | } |
| 286 | |
| 287 | #endif /* #ifndef ferror */ |
Kshitij Sisodia | acc6b85 | 2022-03-01 10:23:11 +0000 | [diff] [blame] | 288 | |
| 289 | #endif /* !defined(USE_SEMIHOSTING) */ |