ST / ST_Events-old

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Dependents:   HelloWorld_CCA01M1 HelloWorld_CCA02M1 CI-data-logger-server HelloWorld_CCA02M1 ... more

This is a fork of the events subdirectory of https://github.com/ARMmbed/mbed-os.

Note, you must import this library with import name: events!!!

hal/common/retarget.cpp@6938:20c56bfa8582, 2016-07-08 (annotated)

Committer:
Michel JAOUEN
Date:
Fri Jul 08 12:04:48 2016 +0200
Revision:
6938:20c56bfa8582
Parent:
6549:723eda4f0297
Child:
6939:3866e967d1f2
Fix issue #2124: IAR no rtos

Remove the 2nd call of mbed_sdk_init in __iar_argc_argv

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Mihail Stoyanov 6088:e1cf77a573c5 1 /* mbed Microcontroller Library
Mihail Stoyanov 6088:e1cf77a573c5 2 * Copyright (c) 2006-2015 ARM Limited
Mihail Stoyanov 6088:e1cf77a573c5 3 *
Mihail Stoyanov 6088:e1cf77a573c5 4 * Licensed under the Apache License, Version 2.0 (the "License");
Mihail Stoyanov 6088:e1cf77a573c5 5 * you may not use this file except in compliance with the License.
Mihail Stoyanov 6088:e1cf77a573c5 6 * You may obtain a copy of the License at
Mihail Stoyanov 6088:e1cf77a573c5 7 *
Mihail Stoyanov 6088:e1cf77a573c5 8 * http://www.apache.org/licenses/LICENSE-2.0
Mihail Stoyanov 6088:e1cf77a573c5 9 *
Mihail Stoyanov 6088:e1cf77a573c5 10 * Unless required by applicable law or agreed to in writing, software
Mihail Stoyanov 6088:e1cf77a573c5 11 * distributed under the License is distributed on an "AS IS" BASIS,
Mihail Stoyanov 6088:e1cf77a573c5 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
Mihail Stoyanov 6088:e1cf77a573c5 13 * See the License for the specific language governing permissions and
Mihail Stoyanov 6088:e1cf77a573c5 14 * limitations under the License.
Mihail Stoyanov 6088:e1cf77a573c5 15 */
Mihail Stoyanov 6088:e1cf77a573c5 16 #include "platform.h"
Mihail Stoyanov 6088:e1cf77a573c5 17 #include "FileHandle.h"
Mihail Stoyanov 6088:e1cf77a573c5 18 #include "FileSystemLike.h"
Mihail Stoyanov 6088:e1cf77a573c5 19 #include "FilePath.h"
Mihail Stoyanov 6088:e1cf77a573c5 20 #include "serial_api.h"
Mihail Stoyanov 6088:e1cf77a573c5 21 #include "toolchain.h"
Mihail Stoyanov 6088:e1cf77a573c5 22 #include "semihost_api.h"
Mihail Stoyanov 6088:e1cf77a573c5 23 #include "mbed_interface.h"
Mihail Stoyanov 6088:e1cf77a573c5 24 #if DEVICE_STDIO_MESSAGES
Mihail Stoyanov 6088:e1cf77a573c5 25 #include <stdio.h>
Mihail Stoyanov 6088:e1cf77a573c5 26 #endif
Mihail Stoyanov 6088:e1cf77a573c5 27 #include <errno.h>
Mihail Stoyanov 6088:e1cf77a573c5 28
Mihail Stoyanov 6088:e1cf77a573c5 29 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 30 # include <rt_sys.h>
Mihail Stoyanov 6088:e1cf77a573c5 31 # define PREFIX(x) _sys##x
Mihail Stoyanov 6088:e1cf77a573c5 32 # define OPEN_MAX _SYS_OPEN
Mihail Stoyanov 6088:e1cf77a573c5 33 # ifdef __MICROLIB
Mihail Stoyanov 6088:e1cf77a573c5 34 # pragma import(__use_full_stdio)
Mihail Stoyanov 6088:e1cf77a573c5 35 # endif
Mihail Stoyanov 6088:e1cf77a573c5 36
Mihail Stoyanov 6088:e1cf77a573c5 37 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 38 # include <yfuns.h>
Mihail Stoyanov 6088:e1cf77a573c5 39 # define PREFIX(x) _##x
Mihail Stoyanov 6088:e1cf77a573c5 40 # define OPEN_MAX 16
Mihail Stoyanov 6088:e1cf77a573c5 41
Mihail Stoyanov 6088:e1cf77a573c5 42 # define STDIN_FILENO 0
Mihail Stoyanov 6088:e1cf77a573c5 43 # define STDOUT_FILENO 1
Mihail Stoyanov 6088:e1cf77a573c5 44 # define STDERR_FILENO 2
Mihail Stoyanov 6088:e1cf77a573c5 45
Mihail Stoyanov 6088:e1cf77a573c5 46 #else
Mihail Stoyanov 6088:e1cf77a573c5 47 # include <sys/stat.h>
Mihail Stoyanov 6088:e1cf77a573c5 48 # include <sys/unistd.h>
Mihail Stoyanov 6088:e1cf77a573c5 49 # include <sys/syslimits.h>
Mihail Stoyanov 6088:e1cf77a573c5 50 # define PREFIX(x) x
Mihail Stoyanov 6088:e1cf77a573c5 51 #endif
Mihail Stoyanov 6088:e1cf77a573c5 52
Russ Butler 6361:7b5bd40de905 53 #define FILE_HANDLE_RESERVED 0xFFFFFFFF
Russ Butler 6361:7b5bd40de905 54
Mihail Stoyanov 6088:e1cf77a573c5 55 using namespace mbed;
Mihail Stoyanov 6088:e1cf77a573c5 56
Mihail Stoyanov 6088:e1cf77a573c5 57 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
Mihail Stoyanov 6088:e1cf77a573c5 58 // Before version 5.03, we were using a patched version of microlib with proper names
Mihail Stoyanov 6088:e1cf77a573c5 59 extern const char __stdin_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 60 extern const char __stdout_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 61 extern const char __stderr_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 62
Mihail Stoyanov 6088:e1cf77a573c5 63 #else
Mihail Stoyanov 6088:e1cf77a573c5 64 extern const char __stdin_name[] = "/stdin";
Mihail Stoyanov 6088:e1cf77a573c5 65 extern const char __stdout_name[] = "/stdout";
Mihail Stoyanov 6088:e1cf77a573c5 66 extern const char __stderr_name[] = "/stderr";
Mihail Stoyanov 6088:e1cf77a573c5 67 #endif
Mihail Stoyanov 6088:e1cf77a573c5 68
Mihail Stoyanov 6088:e1cf77a573c5 69 /* newlib has the filehandle field in the FILE struct as a short, so
Mihail Stoyanov 6088:e1cf77a573c5 70 * we can't just return a Filehandle* from _open and instead have to
Mihail Stoyanov 6088:e1cf77a573c5 71 * put it in a filehandles array and return the index into that array
Mihail Stoyanov 6088:e1cf77a573c5 72 * (or rather index+3, as filehandles 0-2 are stdin/out/err).
Mihail Stoyanov 6088:e1cf77a573c5 73 */
Mihail Stoyanov 6088:e1cf77a573c5 74 static FileHandle *filehandles[OPEN_MAX];
Russ Butler 6361:7b5bd40de905 75 static PlatformMutex filehandle_mutex;
Mihail Stoyanov 6088:e1cf77a573c5 76
Mihail Stoyanov 6088:e1cf77a573c5 77 FileHandle::~FileHandle() {
Russ Butler 6361:7b5bd40de905 78 filehandle_mutex.lock();
Mihail Stoyanov 6088:e1cf77a573c5 79 /* Remove all open filehandles for this */
Mihail Stoyanov 6088:e1cf77a573c5 80 for (unsigned int fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
Mihail Stoyanov 6088:e1cf77a573c5 81 if (filehandles[fh_i] == this) {
Mihail Stoyanov 6088:e1cf77a573c5 82 filehandles[fh_i] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 83 }
Mihail Stoyanov 6088:e1cf77a573c5 84 }
Russ Butler 6361:7b5bd40de905 85 filehandle_mutex.unlock();
Mihail Stoyanov 6088:e1cf77a573c5 86 }
Mihail Stoyanov 6088:e1cf77a573c5 87
Mihail Stoyanov 6088:e1cf77a573c5 88 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 89 extern int stdio_uart_inited;
Mihail Stoyanov 6088:e1cf77a573c5 90 extern serial_t stdio_uart;
Christopher Haster 6549:723eda4f0297 91 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Christopher Haster 6547:5f2779e36035 92 static char stdio_in_prev;
Christopher Haster 6547:5f2779e36035 93 static char stdio_out_prev;
Mihail Stoyanov 6088:e1cf77a573c5 94 #endif
Christopher Haster 6548:c08cb6087b0a 95 #endif
Mihail Stoyanov 6088:e1cf77a573c5 96
Mihail Stoyanov 6088:e1cf77a573c5 97 static void init_serial() {
Mihail Stoyanov 6088:e1cf77a573c5 98 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 99 if (stdio_uart_inited) return;
Mihail Stoyanov 6088:e1cf77a573c5 100 serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
Mihail Stoyanov 6088:e1cf77a573c5 101 #endif
Mihail Stoyanov 6088:e1cf77a573c5 102 }
Mihail Stoyanov 6088:e1cf77a573c5 103
Mihail Stoyanov 6088:e1cf77a573c5 104 static inline int openmode_to_posix(int openmode) {
Mihail Stoyanov 6088:e1cf77a573c5 105 int posix = openmode;
Mihail Stoyanov 6088:e1cf77a573c5 106 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 107 if (openmode & OPEN_PLUS) {
Mihail Stoyanov 6088:e1cf77a573c5 108 posix = O_RDWR;
Mihail Stoyanov 6088:e1cf77a573c5 109 } else if(openmode & OPEN_W) {
Mihail Stoyanov 6088:e1cf77a573c5 110 posix = O_WRONLY;
Mihail Stoyanov 6088:e1cf77a573c5 111 } else if(openmode & OPEN_A) {
Mihail Stoyanov 6088:e1cf77a573c5 112 posix = O_WRONLY|O_APPEND;
Mihail Stoyanov 6088:e1cf77a573c5 113 } else {
Mihail Stoyanov 6088:e1cf77a573c5 114 posix = O_RDONLY;
Mihail Stoyanov 6088:e1cf77a573c5 115 }
Mihail Stoyanov 6088:e1cf77a573c5 116 /* a, w, a+, w+ all create if file does not already exist */
Mihail Stoyanov 6088:e1cf77a573c5 117 if (openmode & (OPEN_A|OPEN_W)) {
Mihail Stoyanov 6088:e1cf77a573c5 118 posix |= O_CREAT;
Mihail Stoyanov 6088:e1cf77a573c5 119 }
Mihail Stoyanov 6088:e1cf77a573c5 120 /* w and w+ truncate */
Mihail Stoyanov 6088:e1cf77a573c5 121 if (openmode & OPEN_W) {
Mihail Stoyanov 6088:e1cf77a573c5 122 posix |= O_TRUNC;
Mihail Stoyanov 6088:e1cf77a573c5 123 }
Mihail Stoyanov 6088:e1cf77a573c5 124 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 125 switch (openmode & _LLIO_RDWRMASK) {
Mihail Stoyanov 6088:e1cf77a573c5 126 case _LLIO_RDONLY: posix = O_RDONLY; break;
Mihail Stoyanov 6088:e1cf77a573c5 127 case _LLIO_WRONLY: posix = O_WRONLY; break;
Mihail Stoyanov 6088:e1cf77a573c5 128 case _LLIO_RDWR : posix = O_RDWR ; break;
Mihail Stoyanov 6088:e1cf77a573c5 129 }
Mihail Stoyanov 6088:e1cf77a573c5 130 if (openmode & _LLIO_CREAT ) posix |= O_CREAT;
Mihail Stoyanov 6088:e1cf77a573c5 131 if (openmode & _LLIO_APPEND) posix |= O_APPEND;
Mihail Stoyanov 6088:e1cf77a573c5 132 if (openmode & _LLIO_TRUNC ) posix |= O_TRUNC;
Mihail Stoyanov 6088:e1cf77a573c5 133 #elif defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 134 posix &= ~O_BINARY;
Mihail Stoyanov 6088:e1cf77a573c5 135 #endif
Mihail Stoyanov 6088:e1cf77a573c5 136 return posix;
Mihail Stoyanov 6088:e1cf77a573c5 137 }
Mihail Stoyanov 6088:e1cf77a573c5 138
Mihail Stoyanov 6088:e1cf77a573c5 139 extern "C" FILEHANDLE PREFIX(_open)(const char* name, int openmode) {
Mihail Stoyanov 6088:e1cf77a573c5 140 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
Mihail Stoyanov 6088:e1cf77a573c5 141 // Before version 5.03, we were using a patched version of microlib with proper names
Mihail Stoyanov 6088:e1cf77a573c5 142 // This is the workaround that the microlib author suggested us
Mihail Stoyanov 6088:e1cf77a573c5 143 static int n = 0;
Mihail Stoyanov 6088:e1cf77a573c5 144 if (!std::strcmp(name, ":tt")) return n++;
Mihail Stoyanov 6088:e1cf77a573c5 145
Mihail Stoyanov 6088:e1cf77a573c5 146 #else
Mihail Stoyanov 6088:e1cf77a573c5 147 /* Use the posix convention that stdin,out,err are filehandles 0,1,2.
Mihail Stoyanov 6088:e1cf77a573c5 148 */
Mihail Stoyanov 6088:e1cf77a573c5 149 if (std::strcmp(name, __stdin_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 150 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 151 return 0;
Mihail Stoyanov 6088:e1cf77a573c5 152 } else if (std::strcmp(name, __stdout_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 153 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 154 return 1;
Mihail Stoyanov 6088:e1cf77a573c5 155 } else if (std::strcmp(name, __stderr_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 156 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 157 return 2;
Mihail Stoyanov 6088:e1cf77a573c5 158 }
Mihail Stoyanov 6088:e1cf77a573c5 159 #endif
Mihail Stoyanov 6088:e1cf77a573c5 160
Mihail Stoyanov 6088:e1cf77a573c5 161 // find the first empty slot in filehandles
Russ Butler 6361:7b5bd40de905 162 filehandle_mutex.lock();
Mihail Stoyanov 6088:e1cf77a573c5 163 unsigned int fh_i;
Mihail Stoyanov 6088:e1cf77a573c5 164 for (fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
Mihail Stoyanov 6088:e1cf77a573c5 165 if (filehandles[fh_i] == NULL) break;
Mihail Stoyanov 6088:e1cf77a573c5 166 }
Mihail Stoyanov 6088:e1cf77a573c5 167 if (fh_i >= sizeof(filehandles)/sizeof(*filehandles)) {
Russ Butler 6361:7b5bd40de905 168 filehandle_mutex.unlock();
Mihail Stoyanov 6088:e1cf77a573c5 169 return -1;
Mihail Stoyanov 6088:e1cf77a573c5 170 }
Russ Butler 6361:7b5bd40de905 171 filehandles[fh_i] = (FileHandle*)FILE_HANDLE_RESERVED;
Russ Butler 6361:7b5bd40de905 172 filehandle_mutex.unlock();
Mihail Stoyanov 6088:e1cf77a573c5 173
Mihail Stoyanov 6088:e1cf77a573c5 174 FileHandle *res;
Mihail Stoyanov 6088:e1cf77a573c5 175
Mihail Stoyanov 6088:e1cf77a573c5 176 /* FILENAME: ":0x12345678" describes a FileLike* */
Mihail Stoyanov 6088:e1cf77a573c5 177 if (name[0] == ':') {
Mihail Stoyanov 6088:e1cf77a573c5 178 void *p;
Mihail Stoyanov 6088:e1cf77a573c5 179 sscanf(name, ":%p", &p);
Mihail Stoyanov 6088:e1cf77a573c5 180 res = (FileHandle*)p;
Mihail Stoyanov 6088:e1cf77a573c5 181
Mihail Stoyanov 6088:e1cf77a573c5 182 /* FILENAME: "/file_system/file_name" */
Mihail Stoyanov 6088:e1cf77a573c5 183 } else {
Mihail Stoyanov 6088:e1cf77a573c5 184 FilePath path(name);
Mihail Stoyanov 6088:e1cf77a573c5 185
Russ Butler 6361:7b5bd40de905 186 if (!path.exists()) {
Russ Butler 6361:7b5bd40de905 187 // Free file handle
Russ Butler 6361:7b5bd40de905 188 filehandles[fh_i] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 189 return -1;
Russ Butler 6361:7b5bd40de905 190 } else if (path.isFile()) {
Mihail Stoyanov 6088:e1cf77a573c5 191 res = path.file();
Mihail Stoyanov 6088:e1cf77a573c5 192 } else {
Mihail Stoyanov 6088:e1cf77a573c5 193 FileSystemLike *fs = path.fileSystem();
Russ Butler 6361:7b5bd40de905 194 if (fs == NULL) {
Russ Butler 6361:7b5bd40de905 195 // Free file handle
Russ Butler 6361:7b5bd40de905 196 filehandles[fh_i] = NULL;
Russ Butler 6361:7b5bd40de905 197 return -1;
Russ Butler 6361:7b5bd40de905 198 }
Mihail Stoyanov 6088:e1cf77a573c5 199 int posix_mode = openmode_to_posix(openmode);
Mihail Stoyanov 6088:e1cf77a573c5 200 res = fs->open(path.fileName(), posix_mode); /* NULL if fails */
Mihail Stoyanov 6088:e1cf77a573c5 201 }
Mihail Stoyanov 6088:e1cf77a573c5 202 }
Mihail Stoyanov 6088:e1cf77a573c5 203
Russ Butler 6361:7b5bd40de905 204 if (res == NULL) {
Russ Butler 6361:7b5bd40de905 205 // Free file handle
Russ Butler 6361:7b5bd40de905 206 filehandles[fh_i] = NULL;
Russ Butler 6361:7b5bd40de905 207 return -1;
Russ Butler 6361:7b5bd40de905 208 }
Mihail Stoyanov 6088:e1cf77a573c5 209 filehandles[fh_i] = res;
Mihail Stoyanov 6088:e1cf77a573c5 210
Mihail Stoyanov 6088:e1cf77a573c5 211 return fh_i + 3; // +3 as filehandles 0-2 are stdin/out/err
Mihail Stoyanov 6088:e1cf77a573c5 212 }
Mihail Stoyanov 6088:e1cf77a573c5 213
Mihail Stoyanov 6088:e1cf77a573c5 214 extern "C" int PREFIX(_close)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 215 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 216
Mihail Stoyanov 6088:e1cf77a573c5 217 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 218 filehandles[fh-3] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 219 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 220
Mihail Stoyanov 6088:e1cf77a573c5 221 return fhc->close();
Mihail Stoyanov 6088:e1cf77a573c5 222 }
Mihail Stoyanov 6088:e1cf77a573c5 223
Mihail Stoyanov 6088:e1cf77a573c5 224 #if defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 225 extern "C" size_t __write (int fh, const unsigned char *buffer, size_t length) {
Mihail Stoyanov 6088:e1cf77a573c5 226 #else
Mihail Stoyanov 6088:e1cf77a573c5 227 extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode) {
Mihail Stoyanov 6088:e1cf77a573c5 228 #endif
Mihail Stoyanov 6088:e1cf77a573c5 229 int n; // n is the number of bytes written
Mihail Stoyanov 6088:e1cf77a573c5 230 if (fh < 3) {
Mihail Stoyanov 6088:e1cf77a573c5 231 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 232 if (!stdio_uart_inited) init_serial();
Christopher Haster 6549:723eda4f0297 233 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Mihail Stoyanov 6088:e1cf77a573c5 234 for (unsigned int i = 0; i < length; i++) {
Christopher Haster 6547:5f2779e36035 235 if (buffer[i] == '\n' && stdio_out_prev != '\r') {
Christopher Haster 6546:b7f6a8e13048 236 serial_putc(&stdio_uart, '\r');
Christopher Haster 6546:b7f6a8e13048 237 }
Mihail Stoyanov 6088:e1cf77a573c5 238 serial_putc(&stdio_uart, buffer[i]);
Christopher Haster 6547:5f2779e36035 239 stdio_out_prev = buffer[i];
Mihail Stoyanov 6088:e1cf77a573c5 240 }
Christopher Haster 6548:c08cb6087b0a 241 #else
Christopher Haster 6548:c08cb6087b0a 242 for (unsigned int i = 0; i < length; i++) {
Christopher Haster 6548:c08cb6087b0a 243 serial_putc(&stdio_uart, buffer[i]);
Christopher Haster 6548:c08cb6087b0a 244 }
Christopher Haster 6548:c08cb6087b0a 245 #endif
Mihail Stoyanov 6088:e1cf77a573c5 246 #endif
Mihail Stoyanov 6088:e1cf77a573c5 247 n = length;
Mihail Stoyanov 6088:e1cf77a573c5 248 } else {
Mihail Stoyanov 6088:e1cf77a573c5 249 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 250 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 251
Mihail Stoyanov 6088:e1cf77a573c5 252 n = fhc->write(buffer, length);
Mihail Stoyanov 6088:e1cf77a573c5 253 }
Mihail Stoyanov 6088:e1cf77a573c5 254 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 255 return length-n;
Mihail Stoyanov 6088:e1cf77a573c5 256 #else
Mihail Stoyanov 6088:e1cf77a573c5 257 return n;
Mihail Stoyanov 6088:e1cf77a573c5 258 #endif
Mihail Stoyanov 6088:e1cf77a573c5 259 }
Mihail Stoyanov 6088:e1cf77a573c5 260
Mihail Stoyanov 6088:e1cf77a573c5 261 #if defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 262 extern "C" size_t __read (int fh, unsigned char *buffer, size_t length) {
Mihail Stoyanov 6088:e1cf77a573c5 263 #else
Mihail Stoyanov 6088:e1cf77a573c5 264 extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode) {
Mihail Stoyanov 6088:e1cf77a573c5 265 #endif
Mihail Stoyanov 6088:e1cf77a573c5 266 int n; // n is the number of bytes read
Mihail Stoyanov 6088:e1cf77a573c5 267 if (fh < 3) {
Mihail Stoyanov 6088:e1cf77a573c5 268 // only read a character at a time from stdin
Mihail Stoyanov 6088:e1cf77a573c5 269 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 270 if (!stdio_uart_inited) init_serial();
Christopher Haster 6549:723eda4f0297 271 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Christopher Haster 6547:5f2779e36035 272 while (true) {
Christopher Haster 6547:5f2779e36035 273 char c = serial_getc(&stdio_uart);
Christopher Haster 6547:5f2779e36035 274 if ((c == '\r' && stdio_in_prev != '\n') ||
Christopher Haster 6547:5f2779e36035 275 (c == '\n' && stdio_in_prev != '\r')) {
Christopher Haster 6547:5f2779e36035 276 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 277 *buffer = '\n';
Christopher Haster 6547:5f2779e36035 278 break;
Christopher Haster 6547:5f2779e36035 279 } else if ((c == '\r' && stdio_in_prev == '\n') ||
Christopher Haster 6547:5f2779e36035 280 (c == '\n' && stdio_in_prev == '\r')) {
Christopher Haster 6547:5f2779e36035 281 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 282 // onto next character
Christopher Haster 6547:5f2779e36035 283 continue;
Christopher Haster 6547:5f2779e36035 284 } else {
Christopher Haster 6547:5f2779e36035 285 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 286 *buffer = c;
Christopher Haster 6547:5f2779e36035 287 break;
Christopher Haster 6547:5f2779e36035 288 }
Christopher Haster 6547:5f2779e36035 289 }
Christopher Haster 6548:c08cb6087b0a 290 #else
Christopher Haster 6548:c08cb6087b0a 291 *buffer = serial_getc(&stdio_uart);
Christopher Haster 6548:c08cb6087b0a 292 #endif
Mihail Stoyanov 6088:e1cf77a573c5 293 #endif
Mihail Stoyanov 6088:e1cf77a573c5 294 n = 1;
Mihail Stoyanov 6088:e1cf77a573c5 295 } else {
Mihail Stoyanov 6088:e1cf77a573c5 296 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 297 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 298
Mihail Stoyanov 6088:e1cf77a573c5 299 n = fhc->read(buffer, length);
Mihail Stoyanov 6088:e1cf77a573c5 300 }
Mihail Stoyanov 6088:e1cf77a573c5 301 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 302 return length-n;
Mihail Stoyanov 6088:e1cf77a573c5 303 #else
Mihail Stoyanov 6088:e1cf77a573c5 304 return n;
Mihail Stoyanov 6088:e1cf77a573c5 305 #endif
Mihail Stoyanov 6088:e1cf77a573c5 306 }
Mihail Stoyanov 6088:e1cf77a573c5 307
Mihail Stoyanov 6088:e1cf77a573c5 308 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 309 extern "C" int PREFIX(_istty)(FILEHANDLE fh)
Mihail Stoyanov 6088:e1cf77a573c5 310 #else
Mihail Stoyanov 6088:e1cf77a573c5 311 extern "C" int _isatty(FILEHANDLE fh)
Mihail Stoyanov 6088:e1cf77a573c5 312 #endif
Mihail Stoyanov 6088:e1cf77a573c5 313 {
Mihail Stoyanov 6088:e1cf77a573c5 314 /* stdin, stdout and stderr should be tty */
Mihail Stoyanov 6088:e1cf77a573c5 315 if (fh < 3) return 1;
Mihail Stoyanov 6088:e1cf77a573c5 316
Mihail Stoyanov 6088:e1cf77a573c5 317 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 318 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 319
Mihail Stoyanov 6088:e1cf77a573c5 320 return fhc->isatty();
Mihail Stoyanov 6088:e1cf77a573c5 321 }
Mihail Stoyanov 6088:e1cf77a573c5 322
Mihail Stoyanov 6088:e1cf77a573c5 323 extern "C"
Mihail Stoyanov 6088:e1cf77a573c5 324 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 325 int _sys_seek(FILEHANDLE fh, long position)
Mihail Stoyanov 6088:e1cf77a573c5 326 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 327 long __lseek(int fh, long offset, int whence)
Mihail Stoyanov 6088:e1cf77a573c5 328 #else
Mihail Stoyanov 6088:e1cf77a573c5 329 int _lseek(FILEHANDLE fh, int offset, int whence)
Mihail Stoyanov 6088:e1cf77a573c5 330 #endif
Mihail Stoyanov 6088:e1cf77a573c5 331 {
Mihail Stoyanov 6088:e1cf77a573c5 332 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 333
Mihail Stoyanov 6088:e1cf77a573c5 334 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 335 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 336
Mihail Stoyanov 6088:e1cf77a573c5 337 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 338 return fhc->lseek(position, SEEK_SET);
Mihail Stoyanov 6088:e1cf77a573c5 339 #else
Mihail Stoyanov 6088:e1cf77a573c5 340 return fhc->lseek(offset, whence);
Mihail Stoyanov 6088:e1cf77a573c5 341 #endif
Mihail Stoyanov 6088:e1cf77a573c5 342 }
Mihail Stoyanov 6088:e1cf77a573c5 343
Mihail Stoyanov 6088:e1cf77a573c5 344 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 345 extern "C" int PREFIX(_ensure)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 346 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 347
Mihail Stoyanov 6088:e1cf77a573c5 348 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 349 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 350
Mihail Stoyanov 6088:e1cf77a573c5 351 return fhc->fsync();
Mihail Stoyanov 6088:e1cf77a573c5 352 }
Mihail Stoyanov 6088:e1cf77a573c5 353
Mihail Stoyanov 6088:e1cf77a573c5 354 extern "C" long PREFIX(_flen)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 355 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 356
Mihail Stoyanov 6088:e1cf77a573c5 357 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 358 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 359
Mihail Stoyanov 6088:e1cf77a573c5 360 return fhc->flen();
Mihail Stoyanov 6088:e1cf77a573c5 361 }
Mihail Stoyanov 6088:e1cf77a573c5 362 #endif
Mihail Stoyanov 6088:e1cf77a573c5 363
Mihail Stoyanov 6088:e1cf77a573c5 364
Mihail Stoyanov 6088:e1cf77a573c5 365 #if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 366 extern "C" int _fstat(int fd, struct stat *st) {
Mihail Stoyanov 6088:e1cf77a573c5 367 if ((STDOUT_FILENO == fd) || (STDERR_FILENO == fd) || (STDIN_FILENO == fd)) {
Mihail Stoyanov 6088:e1cf77a573c5 368 st->st_mode = S_IFCHR;
Mihail Stoyanov 6088:e1cf77a573c5 369 return 0;
Mihail Stoyanov 6088:e1cf77a573c5 370 }
Mihail Stoyanov 6088:e1cf77a573c5 371
Mihail Stoyanov 6088:e1cf77a573c5 372 errno = EBADF;
Mihail Stoyanov 6088:e1cf77a573c5 373 return -1;
Mihail Stoyanov 6088:e1cf77a573c5 374 }
Mihail Stoyanov 6088:e1cf77a573c5 375 #endif
Mihail Stoyanov 6088:e1cf77a573c5 376
Mihail Stoyanov 6088:e1cf77a573c5 377 namespace std {
Mihail Stoyanov 6088:e1cf77a573c5 378 extern "C" int remove(const char *path) {
Mihail Stoyanov 6088:e1cf77a573c5 379 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 380 FileSystemLike *fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 381 if (fs == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 382
Mihail Stoyanov 6088:e1cf77a573c5 383 return fs->remove(fp.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 384 }
Mihail Stoyanov 6088:e1cf77a573c5 385
Mihail Stoyanov 6088:e1cf77a573c5 386 extern "C" int rename(const char *oldname, const char *newname) {
Mihail Stoyanov 6088:e1cf77a573c5 387 FilePath fpOld(oldname);
Mihail Stoyanov 6088:e1cf77a573c5 388 FilePath fpNew(newname);
Mihail Stoyanov 6088:e1cf77a573c5 389 FileSystemLike *fsOld = fpOld.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 390 FileSystemLike *fsNew = fpNew.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 391
Mihail Stoyanov 6088:e1cf77a573c5 392 /* rename only if both files are on the same FS */
Mihail Stoyanov 6088:e1cf77a573c5 393 if (fsOld != fsNew || fsOld == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 394
Mihail Stoyanov 6088:e1cf77a573c5 395 return fsOld->rename(fpOld.fileName(), fpNew.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 396 }
Mihail Stoyanov 6088:e1cf77a573c5 397
Mihail Stoyanov 6088:e1cf77a573c5 398 extern "C" char *tmpnam(char *s) {
Mihail Stoyanov 6088:e1cf77a573c5 399 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 400 }
Mihail Stoyanov 6088:e1cf77a573c5 401
Mihail Stoyanov 6088:e1cf77a573c5 402 extern "C" FILE *tmpfile() {
Mihail Stoyanov 6088:e1cf77a573c5 403 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 404 }
Mihail Stoyanov 6088:e1cf77a573c5 405 } // namespace std
Mihail Stoyanov 6088:e1cf77a573c5 406
Mihail Stoyanov 6088:e1cf77a573c5 407 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 408 extern "C" char *_sys_command_string(char *cmd, int len) {
Mihail Stoyanov 6088:e1cf77a573c5 409 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 410 }
Mihail Stoyanov 6088:e1cf77a573c5 411 #endif
Mihail Stoyanov 6088:e1cf77a573c5 412
Mihail Stoyanov 6088:e1cf77a573c5 413 extern "C" DIR *opendir(const char *path) {
Mihail Stoyanov 6088:e1cf77a573c5 414 /* root dir is FileSystemLike */
Mihail Stoyanov 6088:e1cf77a573c5 415 if (path[0] == '/' && path[1] == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 416 return FileSystemLike::opendir();
Mihail Stoyanov 6088:e1cf77a573c5 417 }
Mihail Stoyanov 6088:e1cf77a573c5 418
Mihail Stoyanov 6088:e1cf77a573c5 419 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 420 FileSystemLike* fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 421 if (fs == NULL) return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 422
Mihail Stoyanov 6088:e1cf77a573c5 423 return fs->opendir(fp.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 424 }
Mihail Stoyanov 6088:e1cf77a573c5 425
Mihail Stoyanov 6088:e1cf77a573c5 426 extern "C" struct dirent *readdir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 427 return dir->readdir();
Mihail Stoyanov 6088:e1cf77a573c5 428 }
Mihail Stoyanov 6088:e1cf77a573c5 429
Mihail Stoyanov 6088:e1cf77a573c5 430 extern "C" int closedir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 431 return dir->closedir();
Mihail Stoyanov 6088:e1cf77a573c5 432 }
Mihail Stoyanov 6088:e1cf77a573c5 433
Mihail Stoyanov 6088:e1cf77a573c5 434 extern "C" void rewinddir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 435 dir->rewinddir();
Mihail Stoyanov 6088:e1cf77a573c5 436 }
Mihail Stoyanov 6088:e1cf77a573c5 437
Mihail Stoyanov 6088:e1cf77a573c5 438 extern "C" off_t telldir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 439 return dir->telldir();
Mihail Stoyanov 6088:e1cf77a573c5 440 }
Mihail Stoyanov 6088:e1cf77a573c5 441
Mihail Stoyanov 6088:e1cf77a573c5 442 extern "C" void seekdir(DIR *dir, off_t off) {
Mihail Stoyanov 6088:e1cf77a573c5 443 dir->seekdir(off);
Mihail Stoyanov 6088:e1cf77a573c5 444 }
Mihail Stoyanov 6088:e1cf77a573c5 445
Mihail Stoyanov 6088:e1cf77a573c5 446 extern "C" int mkdir(const char *path, mode_t mode) {
Mihail Stoyanov 6088:e1cf77a573c5 447 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 448 FileSystemLike *fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 449 if (fs == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 450
Mihail Stoyanov 6088:e1cf77a573c5 451 return fs->mkdir(fp.fileName(), mode);
Mihail Stoyanov 6088:e1cf77a573c5 452 }
Mihail Stoyanov 6088:e1cf77a573c5 453
Mihail Stoyanov 6088:e1cf77a573c5 454 #if defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 455 /* prevents the exception handling name demangling code getting pulled in */
Mihail Stoyanov 6088:e1cf77a573c5 456 #include "mbed_error.h"
Mihail Stoyanov 6088:e1cf77a573c5 457 namespace __gnu_cxx {
Mihail Stoyanov 6088:e1cf77a573c5 458 void __verbose_terminate_handler() {
Mihail Stoyanov 6088:e1cf77a573c5 459 error("Exception");
Mihail Stoyanov 6088:e1cf77a573c5 460 }
Mihail Stoyanov 6088:e1cf77a573c5 461 }
Mihail Stoyanov 6088:e1cf77a573c5 462 extern "C" WEAK void __cxa_pure_virtual(void);
Mihail Stoyanov 6088:e1cf77a573c5 463 extern "C" WEAK void __cxa_pure_virtual(void) {
Mihail Stoyanov 6088:e1cf77a573c5 464 exit(1);
Mihail Stoyanov 6088:e1cf77a573c5 465 }
Mihail Stoyanov 6088:e1cf77a573c5 466
Mihail Stoyanov 6088:e1cf77a573c5 467 #endif
Mihail Stoyanov 6088:e1cf77a573c5 468
Jaeden Amero 6335:6fbbee1c9fd1 469 #if defined(TOOLCHAIN_GCC)
Jaeden Amero 6336:a0ee59c4aa27 470 #ifdef FEATURE_UVISOR
Jaeden Amero 6336:a0ee59c4aa27 471 #include "uvisor-lib/uvisor-lib.h"
Jaeden Amero 6336:a0ee59c4aa27 472 #endif/* FEATURE_UVISOR */
Jaeden Amero 6336:a0ee59c4aa27 473
Niklas Hauser 6337:760e146953ef 474 #ifndef FEATURE_UVISOR
Niklas Hauser 6337:760e146953ef 475 extern "C" {
Niklas Hauser 6337:760e146953ef 476 void * __wrap__malloc_r(struct _reent * r, size_t size) {
Niklas Hauser 6337:760e146953ef 477 extern void * __real__malloc_r(struct _reent * r, size_t size);
Niklas Hauser 6337:760e146953ef 478 return __real__malloc_r(r, size);
Niklas Hauser 6337:760e146953ef 479 }
Niklas Hauser 6337:760e146953ef 480 void * __wrap__realloc_r(struct _reent * r, void * ptr, size_t size) {
Niklas Hauser 6337:760e146953ef 481 extern void * __real__realloc_r(struct _reent * r, void * ptr, size_t size);
Niklas Hauser 6337:760e146953ef 482 return __real__realloc_r(r, ptr, size);
Niklas Hauser 6337:760e146953ef 483 }
Niklas Hauser 6337:760e146953ef 484 void __wrap__free_r(struct _reent * r, void * ptr) {
Niklas Hauser 6337:760e146953ef 485 extern void __real__free_r(struct _reent * r, void * ptr);
Niklas Hauser 6337:760e146953ef 486 __real__free_r(r, ptr);
Niklas Hauser 6337:760e146953ef 487 }
Niklas Hauser 6337:760e146953ef 488 }
Niklas Hauser 6337:760e146953ef 489 #endif/* FEATURE_UVISOR */
Niklas Hauser 6337:760e146953ef 490
Jaeden Amero 6335:6fbbee1c9fd1 491 extern "C" WEAK void software_init_hook_rtos(void)
Jaeden Amero 6335:6fbbee1c9fd1 492 {
Jaeden Amero 6335:6fbbee1c9fd1 493 // Do nothing by default.
Jaeden Amero 6335:6fbbee1c9fd1 494 }
Jaeden Amero 6335:6fbbee1c9fd1 495
Jaeden Amero 6335:6fbbee1c9fd1 496 extern "C" void software_init_hook(void)
Jaeden Amero 6335:6fbbee1c9fd1 497 {
Jaeden Amero 6336:a0ee59c4aa27 498 #ifdef FEATURE_UVISOR
Jaeden Amero 6336:a0ee59c4aa27 499 int return_code;
Jaeden Amero 6336:a0ee59c4aa27 500
Jaeden Amero 6336:a0ee59c4aa27 501 return_code = uvisor_lib_init();
Jaeden Amero 6336:a0ee59c4aa27 502 if (return_code) {
Jaeden Amero 6336:a0ee59c4aa27 503 mbed_die();
Jaeden Amero 6336:a0ee59c4aa27 504 }
Jaeden Amero 6336:a0ee59c4aa27 505 #endif/* FEATURE_UVISOR */
Jaeden Amero 6336:a0ee59c4aa27 506
Jaeden Amero 6335:6fbbee1c9fd1 507 software_init_hook_rtos();
Jaeden Amero 6335:6fbbee1c9fd1 508 }
Jaeden Amero 6335:6fbbee1c9fd1 509 #endif
Jaeden Amero 6335:6fbbee1c9fd1 510
Mihail Stoyanov 6088:e1cf77a573c5 511 // ****************************************************************************
Mihail Stoyanov 6088:e1cf77a573c5 512 // mbed_main is a function that is called before main()
Mihail Stoyanov 6088:e1cf77a573c5 513 // mbed_sdk_init() is also a function that is called before main(), but unlike
Mihail Stoyanov 6088:e1cf77a573c5 514 // mbed_main(), it is not meant for user code, but for the SDK itself to perform
Mihail Stoyanov 6088:e1cf77a573c5 515 // initializations before main() is called.
Mihail Stoyanov 6088:e1cf77a573c5 516
Mihail Stoyanov 6088:e1cf77a573c5 517 extern "C" WEAK void mbed_main(void);
Mihail Stoyanov 6088:e1cf77a573c5 518 extern "C" WEAK void mbed_main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 519 }
Mihail Stoyanov 6088:e1cf77a573c5 520
Mihail Stoyanov 6088:e1cf77a573c5 521 extern "C" WEAK void mbed_sdk_init(void);
Mihail Stoyanov 6088:e1cf77a573c5 522 extern "C" WEAK void mbed_sdk_init(void) {
Mihail Stoyanov 6088:e1cf77a573c5 523 }
Mihail Stoyanov 6088:e1cf77a573c5 524
Mihail Stoyanov 6088:e1cf77a573c5 525 #if defined(TOOLCHAIN_ARM)
Mihail Stoyanov 6088:e1cf77a573c5 526 extern "C" int $Super$$main(void);
Mihail Stoyanov 6088:e1cf77a573c5 527
Mihail Stoyanov 6088:e1cf77a573c5 528 extern "C" int $Sub$$main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 529 mbed_sdk_init();
Mihail Stoyanov 6088:e1cf77a573c5 530 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 531 return $Super$$main();
Mihail Stoyanov 6088:e1cf77a573c5 532 }
Mihail Stoyanov 6088:e1cf77a573c5 533 #elif defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 534 extern "C" int __real_main(void);
Mihail Stoyanov 6088:e1cf77a573c5 535
Mihail Stoyanov 6088:e1cf77a573c5 536 extern "C" int __wrap_main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 537 mbed_sdk_init();
Mihail Stoyanov 6088:e1cf77a573c5 538 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 539 return __real_main();
Mihail Stoyanov 6088:e1cf77a573c5 540 }
Mihail Stoyanov 6088:e1cf77a573c5 541 #elif defined(TOOLCHAIN_IAR)
Mihail Stoyanov 6088:e1cf77a573c5 542 // IAR doesn't have the $Super/$Sub mechanism of armcc, nor something equivalent
Mihail Stoyanov 6088:e1cf77a573c5 543 // to ld's --wrap. It does have a --redirect, but that doesn't help, since redirecting
Mihail Stoyanov 6088:e1cf77a573c5 544 // 'main' to another symbol looses the original 'main' symbol. However, its startup
Mihail Stoyanov 6088:e1cf77a573c5 545 // code will call a function to setup argc and argv (__iar_argc_argv) if it is defined.
Mihail Stoyanov 6088:e1cf77a573c5 546 // Since mbed doesn't use argc/argv, we use this function to call our mbed_main.
Mihail Stoyanov 6088:e1cf77a573c5 547 extern "C" void __iar_argc_argv() {
Mihail Stoyanov 6088:e1cf77a573c5 548 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 549 }
Mihail Stoyanov 6088:e1cf77a573c5 550 #endif
Mihail Stoyanov 6088:e1cf77a573c5 551
Mihail Stoyanov 6088:e1cf77a573c5 552 // Provide implementation of _sbrk (low-level dynamic memory allocation
Mihail Stoyanov 6088:e1cf77a573c5 553 // routine) for GCC_ARM which compares new heap pointer with MSP instead of
Mihail Stoyanov 6088:e1cf77a573c5 554 // SP. This make it compatible with RTX RTOS thread stacks.
Mihail Stoyanov 6088:e1cf77a573c5 555 #if defined(TOOLCHAIN_GCC_ARM)
Mihail Stoyanov 6088:e1cf77a573c5 556 // Linker defined symbol used by _sbrk to indicate where heap should start.
Mihail Stoyanov 6088:e1cf77a573c5 557 extern "C" int __end__;
Mihail Stoyanov 6088:e1cf77a573c5 558
Mihail Stoyanov 6088:e1cf77a573c5 559 #if defined(TARGET_CORTEX_A)
Mihail Stoyanov 6088:e1cf77a573c5 560 extern "C" uint32_t __HeapLimit;
Mihail Stoyanov 6088:e1cf77a573c5 561 #endif
Mihail Stoyanov 6088:e1cf77a573c5 562
Mihail Stoyanov 6088:e1cf77a573c5 563 // Turn off the errno macro and use actual global variable instead.
Mihail Stoyanov 6088:e1cf77a573c5 564 #undef errno
Mihail Stoyanov 6088:e1cf77a573c5 565 extern "C" int errno;
Mihail Stoyanov 6088:e1cf77a573c5 566
Mihail Stoyanov 6088:e1cf77a573c5 567 // For ARM7 only
Mihail Stoyanov 6088:e1cf77a573c5 568 register unsigned char * stack_ptr __asm ("sp");
Mihail Stoyanov 6088:e1cf77a573c5 569
Mihail Stoyanov 6088:e1cf77a573c5 570 // Dynamic memory allocation related syscall.
Mihail Stoyanov 6088:e1cf77a573c5 571 extern "C" caddr_t _sbrk(int incr) {
Mihail Stoyanov 6088:e1cf77a573c5 572 static unsigned char* heap = (unsigned char*)&__end__;
Mihail Stoyanov 6088:e1cf77a573c5 573 unsigned char* prev_heap = heap;
Mihail Stoyanov 6088:e1cf77a573c5 574 unsigned char* new_heap = heap + incr;
Mihail Stoyanov 6088:e1cf77a573c5 575
Mihail Stoyanov 6088:e1cf77a573c5 576 #if defined(TARGET_ARM7)
Mihail Stoyanov 6088:e1cf77a573c5 577 if (new_heap >= stack_ptr) {
Mihail Stoyanov 6088:e1cf77a573c5 578 #elif defined(TARGET_CORTEX_A)
Mihail Stoyanov 6088:e1cf77a573c5 579 if (new_heap >= (unsigned char*)&__HeapLimit) { /* __HeapLimit is end of heap section */
Mihail Stoyanov 6088:e1cf77a573c5 580 #else
Mihail Stoyanov 6088:e1cf77a573c5 581 if (new_heap >= (unsigned char*)__get_MSP()) {
Mihail Stoyanov 6088:e1cf77a573c5 582 #endif
Mihail Stoyanov 6088:e1cf77a573c5 583 errno = ENOMEM;
Mihail Stoyanov 6088:e1cf77a573c5 584 return (caddr_t)-1;
Mihail Stoyanov 6088:e1cf77a573c5 585 }
Mihail Stoyanov 6088:e1cf77a573c5 586
Mihail Stoyanov 6088:e1cf77a573c5 587 heap = new_heap;
Mihail Stoyanov 6088:e1cf77a573c5 588 return (caddr_t) prev_heap;
Mihail Stoyanov 6088:e1cf77a573c5 589 }
Mihail Stoyanov 6088:e1cf77a573c5 590 #endif
Mihail Stoyanov 6088:e1cf77a573c5 591
Mihail Stoyanov 6088:e1cf77a573c5 592
Mihail Stoyanov 6088:e1cf77a573c5 593 #if defined TOOLCHAIN_GCC_ARM
Mihail Stoyanov 6088:e1cf77a573c5 594 extern "C" void _exit(int return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 595 #else
Mihail Stoyanov 6088:e1cf77a573c5 596 namespace std {
Mihail Stoyanov 6088:e1cf77a573c5 597 extern "C" void exit(int return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 598 #endif
Mihail Stoyanov 6088:e1cf77a573c5 599
Mihail Stoyanov 6088:e1cf77a573c5 600 #if DEVICE_STDIO_MESSAGES
Mihail Stoyanov 6088:e1cf77a573c5 601 fflush(stdout);
Mihail Stoyanov 6088:e1cf77a573c5 602 fflush(stderr);
Mihail Stoyanov 6088:e1cf77a573c5 603 #endif
Mihail Stoyanov 6088:e1cf77a573c5 604
Mihail Stoyanov 6088:e1cf77a573c5 605 #if DEVICE_SEMIHOST
Mihail Stoyanov 6088:e1cf77a573c5 606 if (mbed_interface_connected()) {
Mihail Stoyanov 6088:e1cf77a573c5 607 semihost_exit();
Mihail Stoyanov 6088:e1cf77a573c5 608 }
Mihail Stoyanov 6088:e1cf77a573c5 609 #endif
Mihail Stoyanov 6088:e1cf77a573c5 610 if (return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 611 mbed_die();
Mihail Stoyanov 6088:e1cf77a573c5 612 }
Mihail Stoyanov 6088:e1cf77a573c5 613
Mihail Stoyanov 6088:e1cf77a573c5 614 while (1);
Mihail Stoyanov 6088:e1cf77a573c5 615 }
Mihail Stoyanov 6088:e1cf77a573c5 616
Mihail Stoyanov 6088:e1cf77a573c5 617 #if !defined(TOOLCHAIN_GCC_ARM)
Mihail Stoyanov 6088:e1cf77a573c5 618 } //namespace std
Mihail Stoyanov 6088:e1cf77a573c5 619 #endif
Mihail Stoyanov 6088:e1cf77a573c5 620
Mihail Stoyanov 6088:e1cf77a573c5 621
Mihail Stoyanov 6088:e1cf77a573c5 622 namespace mbed {
Mihail Stoyanov 6088:e1cf77a573c5 623
Mihail Stoyanov 6088:e1cf77a573c5 624 void mbed_set_unbuffered_stream(FILE *_file) {
Mihail Stoyanov 6088:e1cf77a573c5 625 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 626 char buf[2];
Mihail Stoyanov 6088:e1cf77a573c5 627 std::setvbuf(_file,buf,_IONBF,NULL);
Mihail Stoyanov 6088:e1cf77a573c5 628 #else
Mihail Stoyanov 6088:e1cf77a573c5 629 setbuf(_file, NULL);
Mihail Stoyanov 6088:e1cf77a573c5 630 #endif
Mihail Stoyanov 6088:e1cf77a573c5 631 }
Mihail Stoyanov 6088:e1cf77a573c5 632
Mihail Stoyanov 6088:e1cf77a573c5 633 int mbed_getc(FILE *_file){
Mihail Stoyanov 6088:e1cf77a573c5 634 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 635 /*This is only valid for unbuffered streams*/
Mihail Stoyanov 6088:e1cf77a573c5 636 int res = std::fgetc(_file);
Mihail Stoyanov 6088:e1cf77a573c5 637 if (res>=0){
Mihail Stoyanov 6088:e1cf77a573c5 638 _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */
Mihail Stoyanov 6088:e1cf77a573c5 639 _file->_Rend = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 640 _file->_Next = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 641 }
Mihail Stoyanov 6088:e1cf77a573c5 642 return res;
Mihail Stoyanov 6088:e1cf77a573c5 643 #else
Mihail Stoyanov 6088:e1cf77a573c5 644 return std::fgetc(_file);
Mihail Stoyanov 6088:e1cf77a573c5 645 #endif
Mihail Stoyanov 6088:e1cf77a573c5 646 }
Mihail Stoyanov 6088:e1cf77a573c5 647
Mihail Stoyanov 6088:e1cf77a573c5 648 char* mbed_gets(char*s, int size, FILE *_file){
Mihail Stoyanov 6088:e1cf77a573c5 649 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 650 /*This is only valid for unbuffered streams*/
Mihail Stoyanov 6088:e1cf77a573c5 651 char *str = fgets(s,size,_file);
Mihail Stoyanov 6088:e1cf77a573c5 652 if (str!=NULL){
Mihail Stoyanov 6088:e1cf77a573c5 653 _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */
Mihail Stoyanov 6088:e1cf77a573c5 654 _file->_Rend = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 655 _file->_Next = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 656 }
Mihail Stoyanov 6088:e1cf77a573c5 657 return str;
Mihail Stoyanov 6088:e1cf77a573c5 658 #else
Mihail Stoyanov 6088:e1cf77a573c5 659 return std::fgets(s,size,_file);
Mihail Stoyanov 6088:e1cf77a573c5 660 #endif
Mihail Stoyanov 6088:e1cf77a573c5 661 }
Mihail Stoyanov 6088:e1cf77a573c5 662
Russ Butler 6200:8000bcdea61d 663 #if defined (__ICCARM__)
Russ Butler 6200:8000bcdea61d 664 // Stub out locks when an rtos is not present
Russ Butler 6200:8000bcdea61d 665 extern "C" WEAK void __iar_system_Mtxinit(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 666 extern "C" WEAK void __iar_system_Mtxdst(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 667 extern "C" WEAK void __iar_system_Mtxlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 668 extern "C" WEAK void __iar_system_Mtxunlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 669 extern "C" WEAK void __iar_file_Mtxinit(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 670 extern "C" WEAK void __iar_file_Mtxdst(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 671 extern "C" WEAK void __iar_file_Mtxlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 672 extern "C" WEAK void __iar_file_Mtxunlock(__iar_Rmtx *mutex) {}
Russ Butler 6387:1e339dc397e1 673 #elif defined(__CC_ARM)
Russ Butler 6387:1e339dc397e1 674 // Do nothing
Russ Butler 6387:1e339dc397e1 675 #elif defined (__GNUC__)
Russ Butler 6387:1e339dc397e1 676 struct _reent;
Russ Butler 6387:1e339dc397e1 677 // Stub out locks when an rtos is not present
Russ Butler 6387:1e339dc397e1 678 extern "C" WEAK void __rtos_malloc_lock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 679 extern "C" WEAK void __rtos_malloc_unlock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 680 extern "C" WEAK void __rtos_env_lock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 681 extern "C" WEAK void __rtos_env_unlock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 682
Russ Butler 6396:723dcc4c67dd 683 extern "C" void __malloc_lock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 684 {
Russ Butler 6387:1e339dc397e1 685 __rtos_malloc_lock(_r);
Russ Butler 6387:1e339dc397e1 686 }
Russ Butler 6387:1e339dc397e1 687
Russ Butler 6396:723dcc4c67dd 688 extern "C" void __malloc_unlock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 689 {
Russ Butler 6387:1e339dc397e1 690 __rtos_malloc_unlock(_r);
Russ Butler 6387:1e339dc397e1 691 }
Russ Butler 6387:1e339dc397e1 692
Russ Butler 6396:723dcc4c67dd 693 extern "C" void __env_lock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 694 {
Russ Butler 6387:1e339dc397e1 695 __rtos_env_lock(_r);
Russ Butler 6387:1e339dc397e1 696 }
Russ Butler 6387:1e339dc397e1 697
Russ Butler 6396:723dcc4c67dd 698 extern "C" void __env_unlock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 699 {
Russ Butler 6387:1e339dc397e1 700 __rtos_env_unlock(_r);
Russ Butler 6387:1e339dc397e1 701 }
Russ Butler 6200:8000bcdea61d 702 #endif
Russ Butler 6200:8000bcdea61d 703
Mihail Stoyanov 6088:e1cf77a573c5 704 } // namespace mbed