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@6337:760e146953ef, 2016-06-10 (annotated)

Committer:
Niklas Hauser
Date:
Fri Jun 10 10:39:31 2016 +0100
Revision:
6337:760e146953ef
Parent:
6336:a0ee59c4aa27
Child:
6361:7b5bd40de905
Add default implementation of malloc wrapping



For GCC malloc is always wrapped, but only used for FEATURE_UVISOR.

Otherwise we have to simply forward the wrappers.

Who changed what in which revision?

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