ST / ST_Events-old

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

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@7262:f469aee29594, 2016-07-28 (annotated)

Committer:
Russ Butler
Date:
Thu Jul 28 14:04:21 2016 -0500
Revision:
7262:f469aee29594
Parent:
6984:94fc5d678e5f
Child:
7338:b24a223c149b
Create dedicated file for PlatformMutex



Move the PlatformMutex class into a dedicated file to reduce the

number of unnecessary includes.

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