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@7575:67b11b21d959, 2016-08-19 (annotated)

Committer:
Toyomasa Watarai
Date:
Fri Aug 19 13:50:12 2016 +0900
Revision:
7575:67b11b21d959
Parent:
7397:7448008aec84
Child:
7577:7f69c9d2176d
Add TOOLCHAIN_GCC_CR support

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"
Russ Butler 6984:94fc5d678e5f 24 #include "SingletonPtr.h"
Russ Butler 7262:f469aee29594 25 #include "PlatformMutex.h"
Russ Butler 7397:7448008aec84 26 #include "mbed_error.h"
Russ Butler 7397:7448008aec84 27 #include <stdlib.h>
Mihail Stoyanov 6088:e1cf77a573c5 28 #if DEVICE_STDIO_MESSAGES
Mihail Stoyanov 6088:e1cf77a573c5 29 #include <stdio.h>
Mihail Stoyanov 6088:e1cf77a573c5 30 #endif
Mihail Stoyanov 6088:e1cf77a573c5 31 #include <errno.h>
Mihail Stoyanov 6088:e1cf77a573c5 32
Mihail Stoyanov 6088:e1cf77a573c5 33 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 34 # include <rt_sys.h>
Mihail Stoyanov 6088:e1cf77a573c5 35 # define PREFIX(x) _sys##x
Mihail Stoyanov 6088:e1cf77a573c5 36 # define OPEN_MAX _SYS_OPEN
Mihail Stoyanov 6088:e1cf77a573c5 37 # ifdef __MICROLIB
Mihail Stoyanov 6088:e1cf77a573c5 38 # pragma import(__use_full_stdio)
Mihail Stoyanov 6088:e1cf77a573c5 39 # endif
Mihail Stoyanov 6088:e1cf77a573c5 40
Mihail Stoyanov 6088:e1cf77a573c5 41 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 42 # include <yfuns.h>
Mihail Stoyanov 6088:e1cf77a573c5 43 # define PREFIX(x) _##x
Mihail Stoyanov 6088:e1cf77a573c5 44 # define OPEN_MAX 16
Mihail Stoyanov 6088:e1cf77a573c5 45
Mihail Stoyanov 6088:e1cf77a573c5 46 # define STDIN_FILENO 0
Mihail Stoyanov 6088:e1cf77a573c5 47 # define STDOUT_FILENO 1
Mihail Stoyanov 6088:e1cf77a573c5 48 # define STDERR_FILENO 2
Mihail Stoyanov 6088:e1cf77a573c5 49
Mihail Stoyanov 6088:e1cf77a573c5 50 #else
Mihail Stoyanov 6088:e1cf77a573c5 51 # include <sys/stat.h>
Mihail Stoyanov 6088:e1cf77a573c5 52 # include <sys/unistd.h>
Mihail Stoyanov 6088:e1cf77a573c5 53 # include <sys/syslimits.h>
Mihail Stoyanov 6088:e1cf77a573c5 54 # define PREFIX(x) x
Mihail Stoyanov 6088:e1cf77a573c5 55 #endif
Mihail Stoyanov 6088:e1cf77a573c5 56
Russ Butler 6361:7b5bd40de905 57 #define FILE_HANDLE_RESERVED 0xFFFFFFFF
Russ Butler 6361:7b5bd40de905 58
Mihail Stoyanov 6088:e1cf77a573c5 59 using namespace mbed;
Mihail Stoyanov 6088:e1cf77a573c5 60
Mihail Stoyanov 6088:e1cf77a573c5 61 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
Mihail Stoyanov 6088:e1cf77a573c5 62 // Before version 5.03, we were using a patched version of microlib with proper names
Mihail Stoyanov 6088:e1cf77a573c5 63 extern const char __stdin_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 64 extern const char __stdout_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 65 extern const char __stderr_name[] = ":tt";
Mihail Stoyanov 6088:e1cf77a573c5 66
Mihail Stoyanov 6088:e1cf77a573c5 67 #else
Mihail Stoyanov 6088:e1cf77a573c5 68 extern const char __stdin_name[] = "/stdin";
Mihail Stoyanov 6088:e1cf77a573c5 69 extern const char __stdout_name[] = "/stdout";
Mihail Stoyanov 6088:e1cf77a573c5 70 extern const char __stderr_name[] = "/stderr";
Mihail Stoyanov 6088:e1cf77a573c5 71 #endif
Mihail Stoyanov 6088:e1cf77a573c5 72
Russ Butler 7395:79e8c79e165c 73 // Heap limits - only used if set
Russ Butler 7395:79e8c79e165c 74 unsigned char *mbed_heap_start = 0;
Russ Butler 7395:79e8c79e165c 75 uint32_t mbed_heap_size = 0;
Russ Butler 7395:79e8c79e165c 76
Mihail Stoyanov 6088:e1cf77a573c5 77 /* newlib has the filehandle field in the FILE struct as a short, so
Mihail Stoyanov 6088:e1cf77a573c5 78 * we can't just return a Filehandle* from _open and instead have to
Mihail Stoyanov 6088:e1cf77a573c5 79 * put it in a filehandles array and return the index into that array
Mihail Stoyanov 6088:e1cf77a573c5 80 * (or rather index+3, as filehandles 0-2 are stdin/out/err).
Mihail Stoyanov 6088:e1cf77a573c5 81 */
Mihail Stoyanov 6088:e1cf77a573c5 82 static FileHandle *filehandles[OPEN_MAX];
Russ Butler 6984:94fc5d678e5f 83 static SingletonPtr<PlatformMutex> filehandle_mutex;
Mihail Stoyanov 6088:e1cf77a573c5 84
Mihail Stoyanov 6088:e1cf77a573c5 85 FileHandle::~FileHandle() {
Russ Butler 6984:94fc5d678e5f 86 filehandle_mutex->lock();
Mihail Stoyanov 6088:e1cf77a573c5 87 /* Remove all open filehandles for this */
Mihail Stoyanov 6088:e1cf77a573c5 88 for (unsigned int fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
Mihail Stoyanov 6088:e1cf77a573c5 89 if (filehandles[fh_i] == this) {
Mihail Stoyanov 6088:e1cf77a573c5 90 filehandles[fh_i] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 91 }
Mihail Stoyanov 6088:e1cf77a573c5 92 }
Russ Butler 6984:94fc5d678e5f 93 filehandle_mutex->unlock();
Mihail Stoyanov 6088:e1cf77a573c5 94 }
Mihail Stoyanov 6088:e1cf77a573c5 95
Mihail Stoyanov 6088:e1cf77a573c5 96 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 97 extern int stdio_uart_inited;
Mihail Stoyanov 6088:e1cf77a573c5 98 extern serial_t stdio_uart;
Christopher Haster 6549:723eda4f0297 99 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Christopher Haster 6547:5f2779e36035 100 static char stdio_in_prev;
Christopher Haster 6547:5f2779e36035 101 static char stdio_out_prev;
Mihail Stoyanov 6088:e1cf77a573c5 102 #endif
Christopher Haster 6548:c08cb6087b0a 103 #endif
Mihail Stoyanov 6088:e1cf77a573c5 104
Mihail Stoyanov 6088:e1cf77a573c5 105 static void init_serial() {
Mihail Stoyanov 6088:e1cf77a573c5 106 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 107 if (stdio_uart_inited) return;
Mihail Stoyanov 6088:e1cf77a573c5 108 serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX);
Christopher Haster 6892:5bf317924ef4 109 #if MBED_CONF_CORE_STDIO_BAUD_RATE
Christopher Haster 6892:5bf317924ef4 110 serial_baud(&stdio_uart, MBED_CONF_CORE_STDIO_BAUD_RATE);
Christopher Haster 6892:5bf317924ef4 111 #endif
Mihail Stoyanov 6088:e1cf77a573c5 112 #endif
Mihail Stoyanov 6088:e1cf77a573c5 113 }
Mihail Stoyanov 6088:e1cf77a573c5 114
Mihail Stoyanov 6088:e1cf77a573c5 115 static inline int openmode_to_posix(int openmode) {
Mihail Stoyanov 6088:e1cf77a573c5 116 int posix = openmode;
Mihail Stoyanov 6088:e1cf77a573c5 117 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 118 if (openmode & OPEN_PLUS) {
Mihail Stoyanov 6088:e1cf77a573c5 119 posix = O_RDWR;
Mihail Stoyanov 6088:e1cf77a573c5 120 } else if(openmode & OPEN_W) {
Mihail Stoyanov 6088:e1cf77a573c5 121 posix = O_WRONLY;
Mihail Stoyanov 6088:e1cf77a573c5 122 } else if(openmode & OPEN_A) {
Mihail Stoyanov 6088:e1cf77a573c5 123 posix = O_WRONLY|O_APPEND;
Mihail Stoyanov 6088:e1cf77a573c5 124 } else {
Mihail Stoyanov 6088:e1cf77a573c5 125 posix = O_RDONLY;
Mihail Stoyanov 6088:e1cf77a573c5 126 }
Mihail Stoyanov 6088:e1cf77a573c5 127 /* a, w, a+, w+ all create if file does not already exist */
Mihail Stoyanov 6088:e1cf77a573c5 128 if (openmode & (OPEN_A|OPEN_W)) {
Mihail Stoyanov 6088:e1cf77a573c5 129 posix |= O_CREAT;
Mihail Stoyanov 6088:e1cf77a573c5 130 }
Mihail Stoyanov 6088:e1cf77a573c5 131 /* w and w+ truncate */
Mihail Stoyanov 6088:e1cf77a573c5 132 if (openmode & OPEN_W) {
Mihail Stoyanov 6088:e1cf77a573c5 133 posix |= O_TRUNC;
Mihail Stoyanov 6088:e1cf77a573c5 134 }
Mihail Stoyanov 6088:e1cf77a573c5 135 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 136 switch (openmode & _LLIO_RDWRMASK) {
Mihail Stoyanov 6088:e1cf77a573c5 137 case _LLIO_RDONLY: posix = O_RDONLY; break;
Mihail Stoyanov 6088:e1cf77a573c5 138 case _LLIO_WRONLY: posix = O_WRONLY; break;
Mihail Stoyanov 6088:e1cf77a573c5 139 case _LLIO_RDWR : posix = O_RDWR ; break;
Mihail Stoyanov 6088:e1cf77a573c5 140 }
Mihail Stoyanov 6088:e1cf77a573c5 141 if (openmode & _LLIO_CREAT ) posix |= O_CREAT;
Mihail Stoyanov 6088:e1cf77a573c5 142 if (openmode & _LLIO_APPEND) posix |= O_APPEND;
Mihail Stoyanov 6088:e1cf77a573c5 143 if (openmode & _LLIO_TRUNC ) posix |= O_TRUNC;
Mihail Stoyanov 6088:e1cf77a573c5 144 #elif defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 145 posix &= ~O_BINARY;
Mihail Stoyanov 6088:e1cf77a573c5 146 #endif
Mihail Stoyanov 6088:e1cf77a573c5 147 return posix;
Mihail Stoyanov 6088:e1cf77a573c5 148 }
Mihail Stoyanov 6088:e1cf77a573c5 149
Mihail Stoyanov 6088:e1cf77a573c5 150 extern "C" FILEHANDLE PREFIX(_open)(const char* name, int openmode) {
Mihail Stoyanov 6088:e1cf77a573c5 151 #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000)
Mihail Stoyanov 6088:e1cf77a573c5 152 // Before version 5.03, we were using a patched version of microlib with proper names
Mihail Stoyanov 6088:e1cf77a573c5 153 // This is the workaround that the microlib author suggested us
Mihail Stoyanov 6088:e1cf77a573c5 154 static int n = 0;
Mihail Stoyanov 6088:e1cf77a573c5 155 if (!std::strcmp(name, ":tt")) return n++;
Mihail Stoyanov 6088:e1cf77a573c5 156
Mihail Stoyanov 6088:e1cf77a573c5 157 #else
Mihail Stoyanov 6088:e1cf77a573c5 158 /* Use the posix convention that stdin,out,err are filehandles 0,1,2.
Mihail Stoyanov 6088:e1cf77a573c5 159 */
Mihail Stoyanov 6088:e1cf77a573c5 160 if (std::strcmp(name, __stdin_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 161 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 162 return 0;
Mihail Stoyanov 6088:e1cf77a573c5 163 } else if (std::strcmp(name, __stdout_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 164 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 165 return 1;
Mihail Stoyanov 6088:e1cf77a573c5 166 } else if (std::strcmp(name, __stderr_name) == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 167 init_serial();
Mihail Stoyanov 6088:e1cf77a573c5 168 return 2;
Mihail Stoyanov 6088:e1cf77a573c5 169 }
Mihail Stoyanov 6088:e1cf77a573c5 170 #endif
Mihail Stoyanov 6088:e1cf77a573c5 171
Mihail Stoyanov 6088:e1cf77a573c5 172 // find the first empty slot in filehandles
Russ Butler 6984:94fc5d678e5f 173 filehandle_mutex->lock();
Mihail Stoyanov 6088:e1cf77a573c5 174 unsigned int fh_i;
Mihail Stoyanov 6088:e1cf77a573c5 175 for (fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) {
Mihail Stoyanov 6088:e1cf77a573c5 176 if (filehandles[fh_i] == NULL) break;
Mihail Stoyanov 6088:e1cf77a573c5 177 }
Mihail Stoyanov 6088:e1cf77a573c5 178 if (fh_i >= sizeof(filehandles)/sizeof(*filehandles)) {
Russ Butler 6984:94fc5d678e5f 179 filehandle_mutex->unlock();
Mihail Stoyanov 6088:e1cf77a573c5 180 return -1;
Mihail Stoyanov 6088:e1cf77a573c5 181 }
Russ Butler 6361:7b5bd40de905 182 filehandles[fh_i] = (FileHandle*)FILE_HANDLE_RESERVED;
Russ Butler 6984:94fc5d678e5f 183 filehandle_mutex->unlock();
Mihail Stoyanov 6088:e1cf77a573c5 184
Mihail Stoyanov 6088:e1cf77a573c5 185 FileHandle *res;
Mihail Stoyanov 6088:e1cf77a573c5 186
Mihail Stoyanov 6088:e1cf77a573c5 187 /* FILENAME: ":0x12345678" describes a FileLike* */
Mihail Stoyanov 6088:e1cf77a573c5 188 if (name[0] == ':') {
Mihail Stoyanov 6088:e1cf77a573c5 189 void *p;
Mihail Stoyanov 6088:e1cf77a573c5 190 sscanf(name, ":%p", &p);
Mihail Stoyanov 6088:e1cf77a573c5 191 res = (FileHandle*)p;
Mihail Stoyanov 6088:e1cf77a573c5 192
Mihail Stoyanov 6088:e1cf77a573c5 193 /* FILENAME: "/file_system/file_name" */
Mihail Stoyanov 6088:e1cf77a573c5 194 } else {
Mihail Stoyanov 6088:e1cf77a573c5 195 FilePath path(name);
Mihail Stoyanov 6088:e1cf77a573c5 196
Russ Butler 6361:7b5bd40de905 197 if (!path.exists()) {
Russ Butler 6361:7b5bd40de905 198 // Free file handle
Russ Butler 6361:7b5bd40de905 199 filehandles[fh_i] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 200 return -1;
Russ Butler 6361:7b5bd40de905 201 } else if (path.isFile()) {
Mihail Stoyanov 6088:e1cf77a573c5 202 res = path.file();
Mihail Stoyanov 6088:e1cf77a573c5 203 } else {
Mihail Stoyanov 6088:e1cf77a573c5 204 FileSystemLike *fs = path.fileSystem();
Russ Butler 6361:7b5bd40de905 205 if (fs == NULL) {
Russ Butler 6361:7b5bd40de905 206 // Free file handle
Russ Butler 6361:7b5bd40de905 207 filehandles[fh_i] = NULL;
Russ Butler 6361:7b5bd40de905 208 return -1;
Russ Butler 6361:7b5bd40de905 209 }
Mihail Stoyanov 6088:e1cf77a573c5 210 int posix_mode = openmode_to_posix(openmode);
Mihail Stoyanov 6088:e1cf77a573c5 211 res = fs->open(path.fileName(), posix_mode); /* NULL if fails */
Mihail Stoyanov 6088:e1cf77a573c5 212 }
Mihail Stoyanov 6088:e1cf77a573c5 213 }
Mihail Stoyanov 6088:e1cf77a573c5 214
Russ Butler 6361:7b5bd40de905 215 if (res == NULL) {
Russ Butler 6361:7b5bd40de905 216 // Free file handle
Russ Butler 6361:7b5bd40de905 217 filehandles[fh_i] = NULL;
Russ Butler 6361:7b5bd40de905 218 return -1;
Russ Butler 6361:7b5bd40de905 219 }
Mihail Stoyanov 6088:e1cf77a573c5 220 filehandles[fh_i] = res;
Mihail Stoyanov 6088:e1cf77a573c5 221
Mihail Stoyanov 6088:e1cf77a573c5 222 return fh_i + 3; // +3 as filehandles 0-2 are stdin/out/err
Mihail Stoyanov 6088:e1cf77a573c5 223 }
Mihail Stoyanov 6088:e1cf77a573c5 224
Mihail Stoyanov 6088:e1cf77a573c5 225 extern "C" int PREFIX(_close)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 226 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 227
Mihail Stoyanov 6088:e1cf77a573c5 228 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 229 filehandles[fh-3] = NULL;
Mihail Stoyanov 6088:e1cf77a573c5 230 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 231
Mihail Stoyanov 6088:e1cf77a573c5 232 return fhc->close();
Mihail Stoyanov 6088:e1cf77a573c5 233 }
Mihail Stoyanov 6088:e1cf77a573c5 234
Mihail Stoyanov 6088:e1cf77a573c5 235 #if defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 236 extern "C" size_t __write (int fh, const unsigned char *buffer, size_t length) {
Mihail Stoyanov 6088:e1cf77a573c5 237 #else
Mihail Stoyanov 6088:e1cf77a573c5 238 extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode) {
Mihail Stoyanov 6088:e1cf77a573c5 239 #endif
Mihail Stoyanov 6088:e1cf77a573c5 240 int n; // n is the number of bytes written
Mihail Stoyanov 6088:e1cf77a573c5 241 if (fh < 3) {
Mihail Stoyanov 6088:e1cf77a573c5 242 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 243 if (!stdio_uart_inited) init_serial();
Christopher Haster 6549:723eda4f0297 244 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Mihail Stoyanov 6088:e1cf77a573c5 245 for (unsigned int i = 0; i < length; i++) {
Christopher Haster 6547:5f2779e36035 246 if (buffer[i] == '\n' && stdio_out_prev != '\r') {
Christopher Haster 6546:b7f6a8e13048 247 serial_putc(&stdio_uart, '\r');
Christopher Haster 6546:b7f6a8e13048 248 }
Mihail Stoyanov 6088:e1cf77a573c5 249 serial_putc(&stdio_uart, buffer[i]);
Christopher Haster 6547:5f2779e36035 250 stdio_out_prev = buffer[i];
Mihail Stoyanov 6088:e1cf77a573c5 251 }
Christopher Haster 6548:c08cb6087b0a 252 #else
Christopher Haster 6548:c08cb6087b0a 253 for (unsigned int i = 0; i < length; i++) {
Christopher Haster 6548:c08cb6087b0a 254 serial_putc(&stdio_uart, buffer[i]);
Christopher Haster 6548:c08cb6087b0a 255 }
Christopher Haster 6548:c08cb6087b0a 256 #endif
Mihail Stoyanov 6088:e1cf77a573c5 257 #endif
Mihail Stoyanov 6088:e1cf77a573c5 258 n = length;
Mihail Stoyanov 6088:e1cf77a573c5 259 } else {
Mihail Stoyanov 6088:e1cf77a573c5 260 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 261 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 262
Mihail Stoyanov 6088:e1cf77a573c5 263 n = fhc->write(buffer, length);
Mihail Stoyanov 6088:e1cf77a573c5 264 }
Mihail Stoyanov 6088:e1cf77a573c5 265 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 266 return length-n;
Mihail Stoyanov 6088:e1cf77a573c5 267 #else
Mihail Stoyanov 6088:e1cf77a573c5 268 return n;
Mihail Stoyanov 6088:e1cf77a573c5 269 #endif
Mihail Stoyanov 6088:e1cf77a573c5 270 }
Mihail Stoyanov 6088:e1cf77a573c5 271
Mihail Stoyanov 6088:e1cf77a573c5 272 #if defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 273 extern "C" size_t __read (int fh, unsigned char *buffer, size_t length) {
Mihail Stoyanov 6088:e1cf77a573c5 274 #else
Mihail Stoyanov 6088:e1cf77a573c5 275 extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode) {
Mihail Stoyanov 6088:e1cf77a573c5 276 #endif
Mihail Stoyanov 6088:e1cf77a573c5 277 int n; // n is the number of bytes read
Mihail Stoyanov 6088:e1cf77a573c5 278 if (fh < 3) {
Mihail Stoyanov 6088:e1cf77a573c5 279 // only read a character at a time from stdin
Mihail Stoyanov 6088:e1cf77a573c5 280 #if DEVICE_SERIAL
Mihail Stoyanov 6088:e1cf77a573c5 281 if (!stdio_uart_inited) init_serial();
Christopher Haster 6549:723eda4f0297 282 #if MBED_CONF_CORE_STDIO_CONVERT_NEWLINES
Christopher Haster 6547:5f2779e36035 283 while (true) {
Christopher Haster 6547:5f2779e36035 284 char c = serial_getc(&stdio_uart);
Christopher Haster 6547:5f2779e36035 285 if ((c == '\r' && stdio_in_prev != '\n') ||
Christopher Haster 6547:5f2779e36035 286 (c == '\n' && stdio_in_prev != '\r')) {
Christopher Haster 6547:5f2779e36035 287 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 288 *buffer = '\n';
Christopher Haster 6547:5f2779e36035 289 break;
Christopher Haster 6547:5f2779e36035 290 } else if ((c == '\r' && stdio_in_prev == '\n') ||
Christopher Haster 6547:5f2779e36035 291 (c == '\n' && stdio_in_prev == '\r')) {
Christopher Haster 6547:5f2779e36035 292 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 293 // onto next character
Christopher Haster 6547:5f2779e36035 294 continue;
Christopher Haster 6547:5f2779e36035 295 } else {
Christopher Haster 6547:5f2779e36035 296 stdio_in_prev = c;
Christopher Haster 6547:5f2779e36035 297 *buffer = c;
Christopher Haster 6547:5f2779e36035 298 break;
Christopher Haster 6547:5f2779e36035 299 }
Christopher Haster 6547:5f2779e36035 300 }
Christopher Haster 6548:c08cb6087b0a 301 #else
Christopher Haster 6548:c08cb6087b0a 302 *buffer = serial_getc(&stdio_uart);
Christopher Haster 6548:c08cb6087b0a 303 #endif
Mihail Stoyanov 6088:e1cf77a573c5 304 #endif
Mihail Stoyanov 6088:e1cf77a573c5 305 n = 1;
Mihail Stoyanov 6088:e1cf77a573c5 306 } else {
Mihail Stoyanov 6088:e1cf77a573c5 307 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 308 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 309
Mihail Stoyanov 6088:e1cf77a573c5 310 n = fhc->read(buffer, length);
Mihail Stoyanov 6088:e1cf77a573c5 311 }
Mihail Stoyanov 6088:e1cf77a573c5 312 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 313 return length-n;
Mihail Stoyanov 6088:e1cf77a573c5 314 #else
Mihail Stoyanov 6088:e1cf77a573c5 315 return n;
Mihail Stoyanov 6088:e1cf77a573c5 316 #endif
Mihail Stoyanov 6088:e1cf77a573c5 317 }
Mihail Stoyanov 6088:e1cf77a573c5 318
Mihail Stoyanov 6088:e1cf77a573c5 319 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 320 extern "C" int PREFIX(_istty)(FILEHANDLE fh)
Mihail Stoyanov 6088:e1cf77a573c5 321 #else
Mihail Stoyanov 6088:e1cf77a573c5 322 extern "C" int _isatty(FILEHANDLE fh)
Mihail Stoyanov 6088:e1cf77a573c5 323 #endif
Mihail Stoyanov 6088:e1cf77a573c5 324 {
Mihail Stoyanov 6088:e1cf77a573c5 325 /* stdin, stdout and stderr should be tty */
Mihail Stoyanov 6088:e1cf77a573c5 326 if (fh < 3) return 1;
Mihail Stoyanov 6088:e1cf77a573c5 327
Mihail Stoyanov 6088:e1cf77a573c5 328 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 329 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 330
Mihail Stoyanov 6088:e1cf77a573c5 331 return fhc->isatty();
Mihail Stoyanov 6088:e1cf77a573c5 332 }
Mihail Stoyanov 6088:e1cf77a573c5 333
Mihail Stoyanov 6088:e1cf77a573c5 334 extern "C"
Mihail Stoyanov 6088:e1cf77a573c5 335 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 336 int _sys_seek(FILEHANDLE fh, long position)
Mihail Stoyanov 6088:e1cf77a573c5 337 #elif defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 338 long __lseek(int fh, long offset, int whence)
Mihail Stoyanov 6088:e1cf77a573c5 339 #else
Mihail Stoyanov 6088:e1cf77a573c5 340 int _lseek(FILEHANDLE fh, int offset, int whence)
Mihail Stoyanov 6088:e1cf77a573c5 341 #endif
Mihail Stoyanov 6088:e1cf77a573c5 342 {
Mihail Stoyanov 6088:e1cf77a573c5 343 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 344
Mihail Stoyanov 6088:e1cf77a573c5 345 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 346 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 347
Mihail Stoyanov 6088:e1cf77a573c5 348 #if defined(__ARMCC_VERSION)
Mihail Stoyanov 6088:e1cf77a573c5 349 return fhc->lseek(position, SEEK_SET);
Mihail Stoyanov 6088:e1cf77a573c5 350 #else
Mihail Stoyanov 6088:e1cf77a573c5 351 return fhc->lseek(offset, whence);
Mihail Stoyanov 6088:e1cf77a573c5 352 #endif
Mihail Stoyanov 6088:e1cf77a573c5 353 }
Mihail Stoyanov 6088:e1cf77a573c5 354
Mihail Stoyanov 6088:e1cf77a573c5 355 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 356 extern "C" int PREFIX(_ensure)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 357 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 358
Mihail Stoyanov 6088:e1cf77a573c5 359 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 360 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 361
Mihail Stoyanov 6088:e1cf77a573c5 362 return fhc->fsync();
Mihail Stoyanov 6088:e1cf77a573c5 363 }
Mihail Stoyanov 6088:e1cf77a573c5 364
Mihail Stoyanov 6088:e1cf77a573c5 365 extern "C" long PREFIX(_flen)(FILEHANDLE fh) {
Mihail Stoyanov 6088:e1cf77a573c5 366 if (fh < 3) return 0;
Mihail Stoyanov 6088:e1cf77a573c5 367
Mihail Stoyanov 6088:e1cf77a573c5 368 FileHandle* fhc = filehandles[fh-3];
Mihail Stoyanov 6088:e1cf77a573c5 369 if (fhc == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 370
Mihail Stoyanov 6088:e1cf77a573c5 371 return fhc->flen();
Mihail Stoyanov 6088:e1cf77a573c5 372 }
Mihail Stoyanov 6088:e1cf77a573c5 373 #endif
Mihail Stoyanov 6088:e1cf77a573c5 374
Mihail Stoyanov 6088:e1cf77a573c5 375
Mihail Stoyanov 6088:e1cf77a573c5 376 #if !defined(__ARMCC_VERSION) && !defined(__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 377 extern "C" int _fstat(int fd, struct stat *st) {
Mihail Stoyanov 6088:e1cf77a573c5 378 if ((STDOUT_FILENO == fd) || (STDERR_FILENO == fd) || (STDIN_FILENO == fd)) {
Mihail Stoyanov 6088:e1cf77a573c5 379 st->st_mode = S_IFCHR;
Mihail Stoyanov 6088:e1cf77a573c5 380 return 0;
Mihail Stoyanov 6088:e1cf77a573c5 381 }
Mihail Stoyanov 6088:e1cf77a573c5 382
Mihail Stoyanov 6088:e1cf77a573c5 383 errno = EBADF;
Mihail Stoyanov 6088:e1cf77a573c5 384 return -1;
Mihail Stoyanov 6088:e1cf77a573c5 385 }
Mihail Stoyanov 6088:e1cf77a573c5 386 #endif
Mihail Stoyanov 6088:e1cf77a573c5 387
Mihail Stoyanov 6088:e1cf77a573c5 388 namespace std {
Mihail Stoyanov 6088:e1cf77a573c5 389 extern "C" int remove(const char *path) {
Mihail Stoyanov 6088:e1cf77a573c5 390 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 391 FileSystemLike *fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 392 if (fs == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 393
Mihail Stoyanov 6088:e1cf77a573c5 394 return fs->remove(fp.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 395 }
Mihail Stoyanov 6088:e1cf77a573c5 396
Mihail Stoyanov 6088:e1cf77a573c5 397 extern "C" int rename(const char *oldname, const char *newname) {
Mihail Stoyanov 6088:e1cf77a573c5 398 FilePath fpOld(oldname);
Mihail Stoyanov 6088:e1cf77a573c5 399 FilePath fpNew(newname);
Mihail Stoyanov 6088:e1cf77a573c5 400 FileSystemLike *fsOld = fpOld.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 401 FileSystemLike *fsNew = fpNew.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 402
Mihail Stoyanov 6088:e1cf77a573c5 403 /* rename only if both files are on the same FS */
Mihail Stoyanov 6088:e1cf77a573c5 404 if (fsOld != fsNew || fsOld == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 405
Mihail Stoyanov 6088:e1cf77a573c5 406 return fsOld->rename(fpOld.fileName(), fpNew.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 407 }
Mihail Stoyanov 6088:e1cf77a573c5 408
Mihail Stoyanov 6088:e1cf77a573c5 409 extern "C" char *tmpnam(char *s) {
Mihail Stoyanov 6088:e1cf77a573c5 410 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 411 }
Mihail Stoyanov 6088:e1cf77a573c5 412
Mihail Stoyanov 6088:e1cf77a573c5 413 extern "C" FILE *tmpfile() {
Mihail Stoyanov 6088:e1cf77a573c5 414 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 415 }
Mihail Stoyanov 6088:e1cf77a573c5 416 } // namespace std
Mihail Stoyanov 6088:e1cf77a573c5 417
Mihail Stoyanov 6088:e1cf77a573c5 418 #ifdef __ARMCC_VERSION
Mihail Stoyanov 6088:e1cf77a573c5 419 extern "C" char *_sys_command_string(char *cmd, int len) {
Mihail Stoyanov 6088:e1cf77a573c5 420 return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 421 }
Mihail Stoyanov 6088:e1cf77a573c5 422 #endif
Mihail Stoyanov 6088:e1cf77a573c5 423
Mihail Stoyanov 6088:e1cf77a573c5 424 extern "C" DIR *opendir(const char *path) {
Mihail Stoyanov 6088:e1cf77a573c5 425 /* root dir is FileSystemLike */
Mihail Stoyanov 6088:e1cf77a573c5 426 if (path[0] == '/' && path[1] == 0) {
Mihail Stoyanov 6088:e1cf77a573c5 427 return FileSystemLike::opendir();
Mihail Stoyanov 6088:e1cf77a573c5 428 }
Mihail Stoyanov 6088:e1cf77a573c5 429
Mihail Stoyanov 6088:e1cf77a573c5 430 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 431 FileSystemLike* fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 432 if (fs == NULL) return NULL;
Mihail Stoyanov 6088:e1cf77a573c5 433
Mihail Stoyanov 6088:e1cf77a573c5 434 return fs->opendir(fp.fileName());
Mihail Stoyanov 6088:e1cf77a573c5 435 }
Mihail Stoyanov 6088:e1cf77a573c5 436
Mihail Stoyanov 6088:e1cf77a573c5 437 extern "C" struct dirent *readdir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 438 return dir->readdir();
Mihail Stoyanov 6088:e1cf77a573c5 439 }
Mihail Stoyanov 6088:e1cf77a573c5 440
Mihail Stoyanov 6088:e1cf77a573c5 441 extern "C" int closedir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 442 return dir->closedir();
Mihail Stoyanov 6088:e1cf77a573c5 443 }
Mihail Stoyanov 6088:e1cf77a573c5 444
Mihail Stoyanov 6088:e1cf77a573c5 445 extern "C" void rewinddir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 446 dir->rewinddir();
Mihail Stoyanov 6088:e1cf77a573c5 447 }
Mihail Stoyanov 6088:e1cf77a573c5 448
Mihail Stoyanov 6088:e1cf77a573c5 449 extern "C" off_t telldir(DIR *dir) {
Mihail Stoyanov 6088:e1cf77a573c5 450 return dir->telldir();
Mihail Stoyanov 6088:e1cf77a573c5 451 }
Mihail Stoyanov 6088:e1cf77a573c5 452
Mihail Stoyanov 6088:e1cf77a573c5 453 extern "C" void seekdir(DIR *dir, off_t off) {
Mihail Stoyanov 6088:e1cf77a573c5 454 dir->seekdir(off);
Mihail Stoyanov 6088:e1cf77a573c5 455 }
Mihail Stoyanov 6088:e1cf77a573c5 456
Mihail Stoyanov 6088:e1cf77a573c5 457 extern "C" int mkdir(const char *path, mode_t mode) {
Mihail Stoyanov 6088:e1cf77a573c5 458 FilePath fp(path);
Mihail Stoyanov 6088:e1cf77a573c5 459 FileSystemLike *fs = fp.fileSystem();
Mihail Stoyanov 6088:e1cf77a573c5 460 if (fs == NULL) return -1;
Mihail Stoyanov 6088:e1cf77a573c5 461
Mihail Stoyanov 6088:e1cf77a573c5 462 return fs->mkdir(fp.fileName(), mode);
Mihail Stoyanov 6088:e1cf77a573c5 463 }
Mihail Stoyanov 6088:e1cf77a573c5 464
Mihail Stoyanov 6088:e1cf77a573c5 465 #if defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 466 /* prevents the exception handling name demangling code getting pulled in */
Mihail Stoyanov 6088:e1cf77a573c5 467 #include "mbed_error.h"
Mihail Stoyanov 6088:e1cf77a573c5 468 namespace __gnu_cxx {
Mihail Stoyanov 6088:e1cf77a573c5 469 void __verbose_terminate_handler() {
Mihail Stoyanov 6088:e1cf77a573c5 470 error("Exception");
Mihail Stoyanov 6088:e1cf77a573c5 471 }
Mihail Stoyanov 6088:e1cf77a573c5 472 }
Mihail Stoyanov 6088:e1cf77a573c5 473 extern "C" WEAK void __cxa_pure_virtual(void);
Mihail Stoyanov 6088:e1cf77a573c5 474 extern "C" WEAK void __cxa_pure_virtual(void) {
Mihail Stoyanov 6088:e1cf77a573c5 475 exit(1);
Mihail Stoyanov 6088:e1cf77a573c5 476 }
Mihail Stoyanov 6088:e1cf77a573c5 477
Mihail Stoyanov 6088:e1cf77a573c5 478 #endif
Mihail Stoyanov 6088:e1cf77a573c5 479
Jaeden Amero 6335:6fbbee1c9fd1 480 #if defined(TOOLCHAIN_GCC)
Jaeden Amero 6336:a0ee59c4aa27 481 #ifdef FEATURE_UVISOR
Jaeden Amero 6336:a0ee59c4aa27 482 #include "uvisor-lib/uvisor-lib.h"
Jaeden Amero 6336:a0ee59c4aa27 483 #endif/* FEATURE_UVISOR */
Jaeden Amero 6336:a0ee59c4aa27 484
Niklas Hauser 6337:760e146953ef 485 #ifndef FEATURE_UVISOR
Niklas Hauser 6337:760e146953ef 486 extern "C" {
Niklas Hauser 6337:760e146953ef 487 void * __wrap__malloc_r(struct _reent * r, size_t size) {
Niklas Hauser 6337:760e146953ef 488 extern void * __real__malloc_r(struct _reent * r, size_t size);
Niklas Hauser 6337:760e146953ef 489 return __real__malloc_r(r, size);
Niklas Hauser 6337:760e146953ef 490 }
Niklas Hauser 6337:760e146953ef 491 void * __wrap__realloc_r(struct _reent * r, void * ptr, size_t size) {
Niklas Hauser 6337:760e146953ef 492 extern void * __real__realloc_r(struct _reent * r, void * ptr, size_t size);
Niklas Hauser 6337:760e146953ef 493 return __real__realloc_r(r, ptr, size);
Niklas Hauser 6337:760e146953ef 494 }
Niklas Hauser 6337:760e146953ef 495 void __wrap__free_r(struct _reent * r, void * ptr) {
Niklas Hauser 6337:760e146953ef 496 extern void __real__free_r(struct _reent * r, void * ptr);
Niklas Hauser 6337:760e146953ef 497 __real__free_r(r, ptr);
Niklas Hauser 6337:760e146953ef 498 }
Niklas Hauser 6337:760e146953ef 499 }
Niklas Hauser 6337:760e146953ef 500 #endif/* FEATURE_UVISOR */
Niklas Hauser 6337:760e146953ef 501
Jaeden Amero 6335:6fbbee1c9fd1 502 extern "C" WEAK void software_init_hook_rtos(void)
Jaeden Amero 6335:6fbbee1c9fd1 503 {
Jaeden Amero 6335:6fbbee1c9fd1 504 // Do nothing by default.
Jaeden Amero 6335:6fbbee1c9fd1 505 }
Jaeden Amero 6335:6fbbee1c9fd1 506
Jaeden Amero 6335:6fbbee1c9fd1 507 extern "C" void software_init_hook(void)
Jaeden Amero 6335:6fbbee1c9fd1 508 {
Jaeden Amero 6336:a0ee59c4aa27 509 #ifdef FEATURE_UVISOR
Jaeden Amero 6336:a0ee59c4aa27 510 int return_code;
Jaeden Amero 6336:a0ee59c4aa27 511
Jaeden Amero 6336:a0ee59c4aa27 512 return_code = uvisor_lib_init();
Jaeden Amero 6336:a0ee59c4aa27 513 if (return_code) {
Jaeden Amero 6336:a0ee59c4aa27 514 mbed_die();
Jaeden Amero 6336:a0ee59c4aa27 515 }
Jaeden Amero 6336:a0ee59c4aa27 516 #endif/* FEATURE_UVISOR */
Jaeden Amero 6336:a0ee59c4aa27 517
Jaeden Amero 6335:6fbbee1c9fd1 518 software_init_hook_rtos();
Jaeden Amero 6335:6fbbee1c9fd1 519 }
Jaeden Amero 6335:6fbbee1c9fd1 520 #endif
Jaeden Amero 6335:6fbbee1c9fd1 521
Mihail Stoyanov 6088:e1cf77a573c5 522 // ****************************************************************************
Mihail Stoyanov 6088:e1cf77a573c5 523 // mbed_main is a function that is called before main()
Mihail Stoyanov 6088:e1cf77a573c5 524 // mbed_sdk_init() is also a function that is called before main(), but unlike
Mihail Stoyanov 6088:e1cf77a573c5 525 // mbed_main(), it is not meant for user code, but for the SDK itself to perform
Mihail Stoyanov 6088:e1cf77a573c5 526 // initializations before main() is called.
Mihail Stoyanov 6088:e1cf77a573c5 527
Mihail Stoyanov 6088:e1cf77a573c5 528 extern "C" WEAK void mbed_main(void);
Mihail Stoyanov 6088:e1cf77a573c5 529 extern "C" WEAK void mbed_main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 530 }
Mihail Stoyanov 6088:e1cf77a573c5 531
Mihail Stoyanov 6088:e1cf77a573c5 532 extern "C" WEAK void mbed_sdk_init(void);
Mihail Stoyanov 6088:e1cf77a573c5 533 extern "C" WEAK void mbed_sdk_init(void) {
Mihail Stoyanov 6088:e1cf77a573c5 534 }
Mihail Stoyanov 6088:e1cf77a573c5 535
Mihail Stoyanov 6088:e1cf77a573c5 536 #if defined(TOOLCHAIN_ARM)
Mihail Stoyanov 6088:e1cf77a573c5 537 extern "C" int $Super$$main(void);
Mihail Stoyanov 6088:e1cf77a573c5 538
Mihail Stoyanov 6088:e1cf77a573c5 539 extern "C" int $Sub$$main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 540 mbed_sdk_init();
Mihail Stoyanov 6088:e1cf77a573c5 541 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 542 return $Super$$main();
Mihail Stoyanov 6088:e1cf77a573c5 543 }
Mihail Stoyanov 6088:e1cf77a573c5 544 #elif defined(TOOLCHAIN_GCC)
Mihail Stoyanov 6088:e1cf77a573c5 545 extern "C" int __real_main(void);
Mihail Stoyanov 6088:e1cf77a573c5 546
Mihail Stoyanov 6088:e1cf77a573c5 547 extern "C" int __wrap_main(void) {
Mihail Stoyanov 6088:e1cf77a573c5 548 mbed_sdk_init();
Mihail Stoyanov 6088:e1cf77a573c5 549 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 550 return __real_main();
Mihail Stoyanov 6088:e1cf77a573c5 551 }
Mihail Stoyanov 6088:e1cf77a573c5 552 #elif defined(TOOLCHAIN_IAR)
Mihail Stoyanov 6088:e1cf77a573c5 553 // IAR doesn't have the $Super/$Sub mechanism of armcc, nor something equivalent
Mihail Stoyanov 6088:e1cf77a573c5 554 // to ld's --wrap. It does have a --redirect, but that doesn't help, since redirecting
Mihail Stoyanov 6088:e1cf77a573c5 555 // 'main' to another symbol looses the original 'main' symbol. However, its startup
Mihail Stoyanov 6088:e1cf77a573c5 556 // code will call a function to setup argc and argv (__iar_argc_argv) if it is defined.
Mihail Stoyanov 6088:e1cf77a573c5 557 // Since mbed doesn't use argc/argv, we use this function to call our mbed_main.
Mihail Stoyanov 6088:e1cf77a573c5 558 extern "C" void __iar_argc_argv() {
Mihail Stoyanov 6088:e1cf77a573c5 559 mbed_main();
Mihail Stoyanov 6088:e1cf77a573c5 560 }
Mihail Stoyanov 6088:e1cf77a573c5 561 #endif
Mihail Stoyanov 6088:e1cf77a573c5 562
Mihail Stoyanov 6088:e1cf77a573c5 563 // Provide implementation of _sbrk (low-level dynamic memory allocation
Mihail Stoyanov 6088:e1cf77a573c5 564 // routine) for GCC_ARM which compares new heap pointer with MSP instead of
Mihail Stoyanov 6088:e1cf77a573c5 565 // SP. This make it compatible with RTX RTOS thread stacks.
Toyomasa Watarai 7575:67b11b21d959 566 #if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_GCC_CR)
Mihail Stoyanov 6088:e1cf77a573c5 567 // Linker defined symbol used by _sbrk to indicate where heap should start.
Mihail Stoyanov 6088:e1cf77a573c5 568 extern "C" int __end__;
Mihail Stoyanov 6088:e1cf77a573c5 569
Mihail Stoyanov 6088:e1cf77a573c5 570 #if defined(TARGET_CORTEX_A)
Mihail Stoyanov 6088:e1cf77a573c5 571 extern "C" uint32_t __HeapLimit;
Mihail Stoyanov 6088:e1cf77a573c5 572 #endif
Mihail Stoyanov 6088:e1cf77a573c5 573
Mihail Stoyanov 6088:e1cf77a573c5 574 // Turn off the errno macro and use actual global variable instead.
Mihail Stoyanov 6088:e1cf77a573c5 575 #undef errno
Mihail Stoyanov 6088:e1cf77a573c5 576 extern "C" int errno;
Mihail Stoyanov 6088:e1cf77a573c5 577
Mihail Stoyanov 6088:e1cf77a573c5 578 // For ARM7 only
Mihail Stoyanov 6088:e1cf77a573c5 579 register unsigned char * stack_ptr __asm ("sp");
Mihail Stoyanov 6088:e1cf77a573c5 580
Mihail Stoyanov 6088:e1cf77a573c5 581 // Dynamic memory allocation related syscall.
ccli8 7328:33c1e9a22f71 582 #if defined(TARGET_NUMAKER_PFM_NUC472)
ccli8 7328:33c1e9a22f71 583 // Overwrite _sbrk() to support two region model.
ccli8 7328:33c1e9a22f71 584 extern "C" void *__wrap__sbrk(int incr);
ccli8 7328:33c1e9a22f71 585 extern "C" caddr_t _sbrk(int incr) {
ccli8 7328:33c1e9a22f71 586 return (caddr_t) __wrap__sbrk(incr);
ccli8 7328:33c1e9a22f71 587 }
ccli8 7328:33c1e9a22f71 588 #else
Mihail Stoyanov 6088:e1cf77a573c5 589 extern "C" caddr_t _sbrk(int incr) {
Mihail Stoyanov 6088:e1cf77a573c5 590 static unsigned char* heap = (unsigned char*)&__end__;
Mihail Stoyanov 6088:e1cf77a573c5 591 unsigned char* prev_heap = heap;
Mihail Stoyanov 6088:e1cf77a573c5 592 unsigned char* new_heap = heap + incr;
Mihail Stoyanov 6088:e1cf77a573c5 593
Mihail Stoyanov 6088:e1cf77a573c5 594 #if defined(TARGET_ARM7)
Mihail Stoyanov 6088:e1cf77a573c5 595 if (new_heap >= stack_ptr) {
Mihail Stoyanov 6088:e1cf77a573c5 596 #elif defined(TARGET_CORTEX_A)
Mihail Stoyanov 6088:e1cf77a573c5 597 if (new_heap >= (unsigned char*)&__HeapLimit) { /* __HeapLimit is end of heap section */
Mihail Stoyanov 6088:e1cf77a573c5 598 #else
Mihail Stoyanov 6088:e1cf77a573c5 599 if (new_heap >= (unsigned char*)__get_MSP()) {
Mihail Stoyanov 6088:e1cf77a573c5 600 #endif
Mihail Stoyanov 6088:e1cf77a573c5 601 errno = ENOMEM;
Mihail Stoyanov 6088:e1cf77a573c5 602 return (caddr_t)-1;
Mihail Stoyanov 6088:e1cf77a573c5 603 }
Mihail Stoyanov 6088:e1cf77a573c5 604
Russ Butler 7395:79e8c79e165c 605 // Additional heap checking if set
Russ Butler 7395:79e8c79e165c 606 if (mbed_heap_size && (new_heap >= mbed_heap_start + mbed_heap_size)) {
Russ Butler 7395:79e8c79e165c 607 errno = ENOMEM;
Russ Butler 7395:79e8c79e165c 608 return (caddr_t)-1;
Russ Butler 7395:79e8c79e165c 609 }
Russ Butler 7395:79e8c79e165c 610
Mihail Stoyanov 6088:e1cf77a573c5 611 heap = new_heap;
Mihail Stoyanov 6088:e1cf77a573c5 612 return (caddr_t) prev_heap;
Mihail Stoyanov 6088:e1cf77a573c5 613 }
Mihail Stoyanov 6088:e1cf77a573c5 614 #endif
ccli8 7328:33c1e9a22f71 615 #endif
Mihail Stoyanov 6088:e1cf77a573c5 616
Toyomasa Watarai 7575:67b11b21d959 617 #if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_GCC_CR)
Mihail Stoyanov 6088:e1cf77a573c5 618 extern "C" void _exit(int return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 619 #else
Mihail Stoyanov 6088:e1cf77a573c5 620 namespace std {
Mihail Stoyanov 6088:e1cf77a573c5 621 extern "C" void exit(int return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 622 #endif
Mihail Stoyanov 6088:e1cf77a573c5 623
Mihail Stoyanov 6088:e1cf77a573c5 624 #if DEVICE_STDIO_MESSAGES
Mihail Stoyanov 6088:e1cf77a573c5 625 fflush(stdout);
Mihail Stoyanov 6088:e1cf77a573c5 626 fflush(stderr);
Mihail Stoyanov 6088:e1cf77a573c5 627 #endif
Mihail Stoyanov 6088:e1cf77a573c5 628
Mihail Stoyanov 6088:e1cf77a573c5 629 #if DEVICE_SEMIHOST
Mihail Stoyanov 6088:e1cf77a573c5 630 if (mbed_interface_connected()) {
Mihail Stoyanov 6088:e1cf77a573c5 631 semihost_exit();
Mihail Stoyanov 6088:e1cf77a573c5 632 }
Mihail Stoyanov 6088:e1cf77a573c5 633 #endif
Mihail Stoyanov 6088:e1cf77a573c5 634 if (return_code) {
Mihail Stoyanov 6088:e1cf77a573c5 635 mbed_die();
Mihail Stoyanov 6088:e1cf77a573c5 636 }
Mihail Stoyanov 6088:e1cf77a573c5 637
Mihail Stoyanov 6088:e1cf77a573c5 638 while (1);
Mihail Stoyanov 6088:e1cf77a573c5 639 }
Mihail Stoyanov 6088:e1cf77a573c5 640
Toyomasa Watarai 7575:67b11b21d959 641 #if !defined(TOOLCHAIN_GCC_ARM) && !defined(TOOLCHAIN_GCC_CR)
Mihail Stoyanov 6088:e1cf77a573c5 642 } //namespace std
Mihail Stoyanov 6088:e1cf77a573c5 643 #endif
Mihail Stoyanov 6088:e1cf77a573c5 644
Mihail Stoyanov 6088:e1cf77a573c5 645
Mihail Stoyanov 6088:e1cf77a573c5 646 namespace mbed {
Mihail Stoyanov 6088:e1cf77a573c5 647
Mihail Stoyanov 6088:e1cf77a573c5 648 void mbed_set_unbuffered_stream(FILE *_file) {
Mihail Stoyanov 6088:e1cf77a573c5 649 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 650 char buf[2];
Mihail Stoyanov 6088:e1cf77a573c5 651 std::setvbuf(_file,buf,_IONBF,NULL);
Mihail Stoyanov 6088:e1cf77a573c5 652 #else
Mihail Stoyanov 6088:e1cf77a573c5 653 setbuf(_file, NULL);
Mihail Stoyanov 6088:e1cf77a573c5 654 #endif
Mihail Stoyanov 6088:e1cf77a573c5 655 }
Mihail Stoyanov 6088:e1cf77a573c5 656
Mihail Stoyanov 6088:e1cf77a573c5 657 int mbed_getc(FILE *_file){
Mihail Stoyanov 6088:e1cf77a573c5 658 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 659 /*This is only valid for unbuffered streams*/
Mihail Stoyanov 6088:e1cf77a573c5 660 int res = std::fgetc(_file);
Mihail Stoyanov 6088:e1cf77a573c5 661 if (res>=0){
Mihail Stoyanov 6088:e1cf77a573c5 662 _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */
Mihail Stoyanov 6088:e1cf77a573c5 663 _file->_Rend = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 664 _file->_Next = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 665 }
Mihail Stoyanov 6088:e1cf77a573c5 666 return res;
Mihail Stoyanov 6088:e1cf77a573c5 667 #else
Mihail Stoyanov 6088:e1cf77a573c5 668 return std::fgetc(_file);
Mihail Stoyanov 6088:e1cf77a573c5 669 #endif
Mihail Stoyanov 6088:e1cf77a573c5 670 }
Mihail Stoyanov 6088:e1cf77a573c5 671
Mihail Stoyanov 6088:e1cf77a573c5 672 char* mbed_gets(char*s, int size, FILE *_file){
Mihail Stoyanov 6088:e1cf77a573c5 673 #if defined (__ICCARM__)
Mihail Stoyanov 6088:e1cf77a573c5 674 /*This is only valid for unbuffered streams*/
Mihail Stoyanov 6088:e1cf77a573c5 675 char *str = fgets(s,size,_file);
Mihail Stoyanov 6088:e1cf77a573c5 676 if (str!=NULL){
Mihail Stoyanov 6088:e1cf77a573c5 677 _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */
Mihail Stoyanov 6088:e1cf77a573c5 678 _file->_Rend = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 679 _file->_Next = _file->_Wend;
Mihail Stoyanov 6088:e1cf77a573c5 680 }
Mihail Stoyanov 6088:e1cf77a573c5 681 return str;
Mihail Stoyanov 6088:e1cf77a573c5 682 #else
Mihail Stoyanov 6088:e1cf77a573c5 683 return std::fgets(s,size,_file);
Mihail Stoyanov 6088:e1cf77a573c5 684 #endif
Mihail Stoyanov 6088:e1cf77a573c5 685 }
Mihail Stoyanov 6088:e1cf77a573c5 686
Russ Butler 6200:8000bcdea61d 687 #if defined (__ICCARM__)
Russ Butler 6200:8000bcdea61d 688 // Stub out locks when an rtos is not present
Russ Butler 6200:8000bcdea61d 689 extern "C" WEAK void __iar_system_Mtxinit(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 690 extern "C" WEAK void __iar_system_Mtxdst(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 691 extern "C" WEAK void __iar_system_Mtxlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 692 extern "C" WEAK void __iar_system_Mtxunlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 693 extern "C" WEAK void __iar_file_Mtxinit(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 694 extern "C" WEAK void __iar_file_Mtxdst(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 695 extern "C" WEAK void __iar_file_Mtxlock(__iar_Rmtx *mutex) {}
Russ Butler 6200:8000bcdea61d 696 extern "C" WEAK void __iar_file_Mtxunlock(__iar_Rmtx *mutex) {}
Russ Butler 6387:1e339dc397e1 697 #elif defined(__CC_ARM)
Russ Butler 6387:1e339dc397e1 698 // Do nothing
Russ Butler 6387:1e339dc397e1 699 #elif defined (__GNUC__)
Russ Butler 6387:1e339dc397e1 700 struct _reent;
Russ Butler 6387:1e339dc397e1 701 // Stub out locks when an rtos is not present
Russ Butler 6387:1e339dc397e1 702 extern "C" WEAK void __rtos_malloc_lock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 703 extern "C" WEAK void __rtos_malloc_unlock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 704 extern "C" WEAK void __rtos_env_lock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 705 extern "C" WEAK void __rtos_env_unlock( struct _reent *_r ) {}
Russ Butler 6387:1e339dc397e1 706
Russ Butler 6396:723dcc4c67dd 707 extern "C" void __malloc_lock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 708 {
Russ Butler 6387:1e339dc397e1 709 __rtos_malloc_lock(_r);
Russ Butler 6387:1e339dc397e1 710 }
Russ Butler 6387:1e339dc397e1 711
Russ Butler 6396:723dcc4c67dd 712 extern "C" void __malloc_unlock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 713 {
Russ Butler 6387:1e339dc397e1 714 __rtos_malloc_unlock(_r);
Russ Butler 6387:1e339dc397e1 715 }
Russ Butler 6387:1e339dc397e1 716
Russ Butler 6396:723dcc4c67dd 717 extern "C" void __env_lock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 718 {
Russ Butler 6387:1e339dc397e1 719 __rtos_env_lock(_r);
Russ Butler 6387:1e339dc397e1 720 }
Russ Butler 6387:1e339dc397e1 721
Russ Butler 6396:723dcc4c67dd 722 extern "C" void __env_unlock( struct _reent *_r )
Russ Butler 6387:1e339dc397e1 723 {
Russ Butler 6387:1e339dc397e1 724 __rtos_env_unlock(_r);
Russ Butler 6387:1e339dc397e1 725 }
Russ Butler 6200:8000bcdea61d 726 #endif
Russ Butler 6200:8000bcdea61d 727
Mihail Stoyanov 6088:e1cf77a573c5 728 } // namespace mbed
Russ Butler 7397:7448008aec84 729
Russ Butler 7397:7448008aec84 730 void *operator new(std::size_t count)
Russ Butler 7397:7448008aec84 731 {
Russ Butler 7397:7448008aec84 732 void *buffer = malloc(count);
Russ Butler 7397:7448008aec84 733 if (NULL == buffer) {
Russ Butler 7397:7448008aec84 734 error("Operator new out of memory\r\n");
Russ Butler 7397:7448008aec84 735 }
Russ Butler 7397:7448008aec84 736 return buffer;
Russ Butler 7397:7448008aec84 737 }
Russ Butler 7397:7448008aec84 738
Russ Butler 7397:7448008aec84 739 void *operator new[](std::size_t count)
Russ Butler 7397:7448008aec84 740 {
Russ Butler 7397:7448008aec84 741 void *buffer = malloc(count);
Russ Butler 7397:7448008aec84 742 if (NULL == buffer) {
Russ Butler 7397:7448008aec84 743 error("Operator new[] out of memory\r\n");
Russ Butler 7397:7448008aec84 744 }
Russ Butler 7397:7448008aec84 745 return buffer;
Russ Butler 7397:7448008aec84 746 }
Russ Butler 7397:7448008aec84 747
Russ Butler 7397:7448008aec84 748 void operator delete(void *ptr)
Russ Butler 7397:7448008aec84 749 {
Russ Butler 7397:7448008aec84 750 if (ptr != NULL) {
Russ Butler 7397:7448008aec84 751 free(ptr);
Russ Butler 7397:7448008aec84 752 }
Russ Butler 7397:7448008aec84 753 }
Russ Butler 7397:7448008aec84 754 void operator delete[](void *ptr)
Russ Butler 7397:7448008aec84 755 {
Russ Butler 7397:7448008aec84 756 if (ptr != NULL) {
Russ Butler 7397:7448008aec84 757 free(ptr);
Russ Butler 7397:7448008aec84 758 }
Russ Butler 7397:7448008aec84 759 }