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@7328:33c1e9a22f71, 2016-07-22 (annotated)

Committer:
ccli8
Date:
Fri Jul 22 13:04:53 2016 +0800
Revision:
7328:33c1e9a22f71
Parent:
6984:94fc5d678e5f
Child:
7338:b24a223c149b
Support NUMAKER_PFM_NUC472

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