Mouse code for the MacroRat
mbed-dev/platform/mbed_retarget.cpp@18:6a4db94011d3, 2017-05-14 (annotated)
- Committer:
- sahilmgandhi
- Date:
- Sun May 14 23:18:57 2017 +0000
- Revision:
- 18:6a4db94011d3
Publishing again
Who changed what in which revision?
User | Revision | Line number | New contents of line |
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sahilmgandhi | 18:6a4db94011d3 | 1 | /* mbed Microcontroller Library |
sahilmgandhi | 18:6a4db94011d3 | 2 | * Copyright (c) 2006-2015 ARM Limited |
sahilmgandhi | 18:6a4db94011d3 | 3 | * |
sahilmgandhi | 18:6a4db94011d3 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
sahilmgandhi | 18:6a4db94011d3 | 5 | * you may not use this file except in compliance with the License. |
sahilmgandhi | 18:6a4db94011d3 | 6 | * You may obtain a copy of the License at |
sahilmgandhi | 18:6a4db94011d3 | 7 | * |
sahilmgandhi | 18:6a4db94011d3 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
sahilmgandhi | 18:6a4db94011d3 | 9 | * |
sahilmgandhi | 18:6a4db94011d3 | 10 | * Unless required by applicable law or agreed to in writing, software |
sahilmgandhi | 18:6a4db94011d3 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
sahilmgandhi | 18:6a4db94011d3 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
sahilmgandhi | 18:6a4db94011d3 | 13 | * See the License for the specific language governing permissions and |
sahilmgandhi | 18:6a4db94011d3 | 14 | * limitations under the License. |
sahilmgandhi | 18:6a4db94011d3 | 15 | */ |
sahilmgandhi | 18:6a4db94011d3 | 16 | #include "platform/platform.h" |
sahilmgandhi | 18:6a4db94011d3 | 17 | #include "drivers/FilePath.h" |
sahilmgandhi | 18:6a4db94011d3 | 18 | #include "hal/serial_api.h" |
sahilmgandhi | 18:6a4db94011d3 | 19 | #include "platform/mbed_toolchain.h" |
sahilmgandhi | 18:6a4db94011d3 | 20 | #include "platform/mbed_semihost_api.h" |
sahilmgandhi | 18:6a4db94011d3 | 21 | #include "platform/mbed_interface.h" |
sahilmgandhi | 18:6a4db94011d3 | 22 | #include "platform/SingletonPtr.h" |
sahilmgandhi | 18:6a4db94011d3 | 23 | #include "platform/PlatformMutex.h" |
sahilmgandhi | 18:6a4db94011d3 | 24 | #include "platform/mbed_error.h" |
sahilmgandhi | 18:6a4db94011d3 | 25 | #include "platform/mbed_stats.h" |
sahilmgandhi | 18:6a4db94011d3 | 26 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 27 | #include "filesystem/FileSystem.h" |
sahilmgandhi | 18:6a4db94011d3 | 28 | #include "filesystem/File.h" |
sahilmgandhi | 18:6a4db94011d3 | 29 | #include "filesystem/Dir.h" |
sahilmgandhi | 18:6a4db94011d3 | 30 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 31 | #include <stdlib.h> |
sahilmgandhi | 18:6a4db94011d3 | 32 | #include <string.h> |
sahilmgandhi | 18:6a4db94011d3 | 33 | #if DEVICE_STDIO_MESSAGES |
sahilmgandhi | 18:6a4db94011d3 | 34 | #include <stdio.h> |
sahilmgandhi | 18:6a4db94011d3 | 35 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 36 | #include <errno.h> |
sahilmgandhi | 18:6a4db94011d3 | 37 | #include "platform/mbed_retarget.h" |
sahilmgandhi | 18:6a4db94011d3 | 38 | |
sahilmgandhi | 18:6a4db94011d3 | 39 | |
sahilmgandhi | 18:6a4db94011d3 | 40 | #if defined(__ARMCC_VERSION) |
sahilmgandhi | 18:6a4db94011d3 | 41 | # include <rt_sys.h> |
sahilmgandhi | 18:6a4db94011d3 | 42 | # define PREFIX(x) _sys##x |
sahilmgandhi | 18:6a4db94011d3 | 43 | # define OPEN_MAX _SYS_OPEN |
sahilmgandhi | 18:6a4db94011d3 | 44 | # ifdef __MICROLIB |
sahilmgandhi | 18:6a4db94011d3 | 45 | # pragma import(__use_full_stdio) |
sahilmgandhi | 18:6a4db94011d3 | 46 | # endif |
sahilmgandhi | 18:6a4db94011d3 | 47 | |
sahilmgandhi | 18:6a4db94011d3 | 48 | #elif defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 49 | # include <yfuns.h> |
sahilmgandhi | 18:6a4db94011d3 | 50 | # define PREFIX(x) _##x |
sahilmgandhi | 18:6a4db94011d3 | 51 | # define OPEN_MAX 16 |
sahilmgandhi | 18:6a4db94011d3 | 52 | |
sahilmgandhi | 18:6a4db94011d3 | 53 | # define STDIN_FILENO 0 |
sahilmgandhi | 18:6a4db94011d3 | 54 | # define STDOUT_FILENO 1 |
sahilmgandhi | 18:6a4db94011d3 | 55 | # define STDERR_FILENO 2 |
sahilmgandhi | 18:6a4db94011d3 | 56 | |
sahilmgandhi | 18:6a4db94011d3 | 57 | #else |
sahilmgandhi | 18:6a4db94011d3 | 58 | # include <sys/stat.h> |
sahilmgandhi | 18:6a4db94011d3 | 59 | # include <sys/syslimits.h> |
sahilmgandhi | 18:6a4db94011d3 | 60 | # define PREFIX(x) x |
sahilmgandhi | 18:6a4db94011d3 | 61 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 62 | |
sahilmgandhi | 18:6a4db94011d3 | 63 | #define FILE_HANDLE_RESERVED 0xFFFFFFFF |
sahilmgandhi | 18:6a4db94011d3 | 64 | |
sahilmgandhi | 18:6a4db94011d3 | 65 | using namespace mbed; |
sahilmgandhi | 18:6a4db94011d3 | 66 | |
sahilmgandhi | 18:6a4db94011d3 | 67 | #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000) |
sahilmgandhi | 18:6a4db94011d3 | 68 | // Before version 5.03, we were using a patched version of microlib with proper names |
sahilmgandhi | 18:6a4db94011d3 | 69 | extern const char __stdin_name[] = ":tt"; |
sahilmgandhi | 18:6a4db94011d3 | 70 | extern const char __stdout_name[] = ":tt"; |
sahilmgandhi | 18:6a4db94011d3 | 71 | extern const char __stderr_name[] = ":tt"; |
sahilmgandhi | 18:6a4db94011d3 | 72 | |
sahilmgandhi | 18:6a4db94011d3 | 73 | #else |
sahilmgandhi | 18:6a4db94011d3 | 74 | extern const char __stdin_name[] = "/stdin"; |
sahilmgandhi | 18:6a4db94011d3 | 75 | extern const char __stdout_name[] = "/stdout"; |
sahilmgandhi | 18:6a4db94011d3 | 76 | extern const char __stderr_name[] = "/stderr"; |
sahilmgandhi | 18:6a4db94011d3 | 77 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 78 | |
sahilmgandhi | 18:6a4db94011d3 | 79 | // Heap limits - only used if set |
sahilmgandhi | 18:6a4db94011d3 | 80 | unsigned char *mbed_heap_start = 0; |
sahilmgandhi | 18:6a4db94011d3 | 81 | uint32_t mbed_heap_size = 0; |
sahilmgandhi | 18:6a4db94011d3 | 82 | |
sahilmgandhi | 18:6a4db94011d3 | 83 | /* newlib has the filehandle field in the FILE struct as a short, so |
sahilmgandhi | 18:6a4db94011d3 | 84 | * we can't just return a Filehandle* from _open and instead have to |
sahilmgandhi | 18:6a4db94011d3 | 85 | * put it in a filehandles array and return the index into that array |
sahilmgandhi | 18:6a4db94011d3 | 86 | * (or rather index+3, as filehandles 0-2 are stdin/out/err). |
sahilmgandhi | 18:6a4db94011d3 | 87 | */ |
sahilmgandhi | 18:6a4db94011d3 | 88 | static FileLike *filehandles[OPEN_MAX]; |
sahilmgandhi | 18:6a4db94011d3 | 89 | static SingletonPtr<PlatformMutex> filehandle_mutex; |
sahilmgandhi | 18:6a4db94011d3 | 90 | |
sahilmgandhi | 18:6a4db94011d3 | 91 | namespace mbed { |
sahilmgandhi | 18:6a4db94011d3 | 92 | void remove_filehandle(FileLike *file) { |
sahilmgandhi | 18:6a4db94011d3 | 93 | filehandle_mutex->lock(); |
sahilmgandhi | 18:6a4db94011d3 | 94 | /* Remove all open filehandles for this */ |
sahilmgandhi | 18:6a4db94011d3 | 95 | for (unsigned int fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) { |
sahilmgandhi | 18:6a4db94011d3 | 96 | if (filehandles[fh_i] == file) { |
sahilmgandhi | 18:6a4db94011d3 | 97 | filehandles[fh_i] = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 98 | } |
sahilmgandhi | 18:6a4db94011d3 | 99 | } |
sahilmgandhi | 18:6a4db94011d3 | 100 | filehandle_mutex->unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 101 | } |
sahilmgandhi | 18:6a4db94011d3 | 102 | } |
sahilmgandhi | 18:6a4db94011d3 | 103 | |
sahilmgandhi | 18:6a4db94011d3 | 104 | #if DEVICE_SERIAL |
sahilmgandhi | 18:6a4db94011d3 | 105 | extern int stdio_uart_inited; |
sahilmgandhi | 18:6a4db94011d3 | 106 | extern serial_t stdio_uart; |
sahilmgandhi | 18:6a4db94011d3 | 107 | #if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES |
sahilmgandhi | 18:6a4db94011d3 | 108 | static char stdio_in_prev; |
sahilmgandhi | 18:6a4db94011d3 | 109 | static char stdio_out_prev; |
sahilmgandhi | 18:6a4db94011d3 | 110 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 111 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 112 | |
sahilmgandhi | 18:6a4db94011d3 | 113 | static void init_serial() { |
sahilmgandhi | 18:6a4db94011d3 | 114 | #if DEVICE_SERIAL |
sahilmgandhi | 18:6a4db94011d3 | 115 | if (stdio_uart_inited) return; |
sahilmgandhi | 18:6a4db94011d3 | 116 | serial_init(&stdio_uart, STDIO_UART_TX, STDIO_UART_RX); |
sahilmgandhi | 18:6a4db94011d3 | 117 | #if MBED_CONF_PLATFORM_STDIO_BAUD_RATE |
sahilmgandhi | 18:6a4db94011d3 | 118 | serial_baud(&stdio_uart, MBED_CONF_PLATFORM_STDIO_BAUD_RATE); |
sahilmgandhi | 18:6a4db94011d3 | 119 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 120 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 121 | } |
sahilmgandhi | 18:6a4db94011d3 | 122 | |
sahilmgandhi | 18:6a4db94011d3 | 123 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 124 | static inline int openmode_to_posix(int openmode) { |
sahilmgandhi | 18:6a4db94011d3 | 125 | int posix = openmode; |
sahilmgandhi | 18:6a4db94011d3 | 126 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 127 | if (openmode & OPEN_PLUS) { |
sahilmgandhi | 18:6a4db94011d3 | 128 | posix = O_RDWR; |
sahilmgandhi | 18:6a4db94011d3 | 129 | } else if(openmode & OPEN_W) { |
sahilmgandhi | 18:6a4db94011d3 | 130 | posix = O_WRONLY; |
sahilmgandhi | 18:6a4db94011d3 | 131 | } else if(openmode & OPEN_A) { |
sahilmgandhi | 18:6a4db94011d3 | 132 | posix = O_WRONLY|O_APPEND; |
sahilmgandhi | 18:6a4db94011d3 | 133 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 134 | posix = O_RDONLY; |
sahilmgandhi | 18:6a4db94011d3 | 135 | } |
sahilmgandhi | 18:6a4db94011d3 | 136 | /* a, w, a+, w+ all create if file does not already exist */ |
sahilmgandhi | 18:6a4db94011d3 | 137 | if (openmode & (OPEN_A|OPEN_W)) { |
sahilmgandhi | 18:6a4db94011d3 | 138 | posix |= O_CREAT; |
sahilmgandhi | 18:6a4db94011d3 | 139 | } |
sahilmgandhi | 18:6a4db94011d3 | 140 | /* w and w+ truncate */ |
sahilmgandhi | 18:6a4db94011d3 | 141 | if (openmode & OPEN_W) { |
sahilmgandhi | 18:6a4db94011d3 | 142 | posix |= O_TRUNC; |
sahilmgandhi | 18:6a4db94011d3 | 143 | } |
sahilmgandhi | 18:6a4db94011d3 | 144 | #elif defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 145 | switch (openmode & _LLIO_RDWRMASK) { |
sahilmgandhi | 18:6a4db94011d3 | 146 | case _LLIO_RDONLY: posix = O_RDONLY; break; |
sahilmgandhi | 18:6a4db94011d3 | 147 | case _LLIO_WRONLY: posix = O_WRONLY; break; |
sahilmgandhi | 18:6a4db94011d3 | 148 | case _LLIO_RDWR : posix = O_RDWR ; break; |
sahilmgandhi | 18:6a4db94011d3 | 149 | } |
sahilmgandhi | 18:6a4db94011d3 | 150 | if (openmode & _LLIO_CREAT ) posix |= O_CREAT; |
sahilmgandhi | 18:6a4db94011d3 | 151 | if (openmode & _LLIO_APPEND) posix |= O_APPEND; |
sahilmgandhi | 18:6a4db94011d3 | 152 | if (openmode & _LLIO_TRUNC ) posix |= O_TRUNC; |
sahilmgandhi | 18:6a4db94011d3 | 153 | #elif defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 154 | posix &= ~O_BINARY; |
sahilmgandhi | 18:6a4db94011d3 | 155 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 156 | return posix; |
sahilmgandhi | 18:6a4db94011d3 | 157 | } |
sahilmgandhi | 18:6a4db94011d3 | 158 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 159 | |
sahilmgandhi | 18:6a4db94011d3 | 160 | extern "C" WEAK void mbed_sdk_init(void); |
sahilmgandhi | 18:6a4db94011d3 | 161 | extern "C" WEAK void mbed_sdk_init(void) { |
sahilmgandhi | 18:6a4db94011d3 | 162 | } |
sahilmgandhi | 18:6a4db94011d3 | 163 | |
sahilmgandhi | 18:6a4db94011d3 | 164 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 165 | // Internally used file objects with managed memory on close |
sahilmgandhi | 18:6a4db94011d3 | 166 | class ManagedFile : public File { |
sahilmgandhi | 18:6a4db94011d3 | 167 | public: |
sahilmgandhi | 18:6a4db94011d3 | 168 | virtual int close() { |
sahilmgandhi | 18:6a4db94011d3 | 169 | int err = File::close(); |
sahilmgandhi | 18:6a4db94011d3 | 170 | delete this; |
sahilmgandhi | 18:6a4db94011d3 | 171 | return err; |
sahilmgandhi | 18:6a4db94011d3 | 172 | } |
sahilmgandhi | 18:6a4db94011d3 | 173 | }; |
sahilmgandhi | 18:6a4db94011d3 | 174 | |
sahilmgandhi | 18:6a4db94011d3 | 175 | class ManagedDir : public Dir { |
sahilmgandhi | 18:6a4db94011d3 | 176 | public: |
sahilmgandhi | 18:6a4db94011d3 | 177 | virtual int close() { |
sahilmgandhi | 18:6a4db94011d3 | 178 | int err = Dir::close(); |
sahilmgandhi | 18:6a4db94011d3 | 179 | delete this; |
sahilmgandhi | 18:6a4db94011d3 | 180 | return err; |
sahilmgandhi | 18:6a4db94011d3 | 181 | } |
sahilmgandhi | 18:6a4db94011d3 | 182 | }; |
sahilmgandhi | 18:6a4db94011d3 | 183 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 184 | |
sahilmgandhi | 18:6a4db94011d3 | 185 | /* @brief standard c library fopen() retargeting function. |
sahilmgandhi | 18:6a4db94011d3 | 186 | * |
sahilmgandhi | 18:6a4db94011d3 | 187 | * This function is invoked by the standard c library retargeting to handle fopen() |
sahilmgandhi | 18:6a4db94011d3 | 188 | * |
sahilmgandhi | 18:6a4db94011d3 | 189 | * @return |
sahilmgandhi | 18:6a4db94011d3 | 190 | * On success, a valid FILEHANDLE is returned. |
sahilmgandhi | 18:6a4db94011d3 | 191 | * On failure, -1 is returned and errno is set to an appropriate value e.g. |
sahilmgandhi | 18:6a4db94011d3 | 192 | * EBADF a bad file descriptor was found (default errno setting) |
sahilmgandhi | 18:6a4db94011d3 | 193 | * EMFILE the maximum number of open files was exceeded. |
sahilmgandhi | 18:6a4db94011d3 | 194 | * |
sahilmgandhi | 18:6a4db94011d3 | 195 | * */ |
sahilmgandhi | 18:6a4db94011d3 | 196 | extern "C" FILEHANDLE PREFIX(_open)(const char* name, int openmode) { |
sahilmgandhi | 18:6a4db94011d3 | 197 | #if defined(__MICROLIB) && (__ARMCC_VERSION>5030000) |
sahilmgandhi | 18:6a4db94011d3 | 198 | // Before version 5.03, we were using a patched version of microlib with proper names |
sahilmgandhi | 18:6a4db94011d3 | 199 | // This is the workaround that the microlib author suggested us |
sahilmgandhi | 18:6a4db94011d3 | 200 | static int n = 0; |
sahilmgandhi | 18:6a4db94011d3 | 201 | static int mbed_sdk_inited = 0; |
sahilmgandhi | 18:6a4db94011d3 | 202 | if (!mbed_sdk_inited) { |
sahilmgandhi | 18:6a4db94011d3 | 203 | mbed_sdk_inited = 1; |
sahilmgandhi | 18:6a4db94011d3 | 204 | mbed_sdk_init(); |
sahilmgandhi | 18:6a4db94011d3 | 205 | } |
sahilmgandhi | 18:6a4db94011d3 | 206 | if (!std::strcmp(name, ":tt")) return n++; |
sahilmgandhi | 18:6a4db94011d3 | 207 | #else |
sahilmgandhi | 18:6a4db94011d3 | 208 | /* Use the posix convention that stdin,out,err are filehandles 0,1,2. |
sahilmgandhi | 18:6a4db94011d3 | 209 | */ |
sahilmgandhi | 18:6a4db94011d3 | 210 | if (std::strcmp(name, __stdin_name) == 0) { |
sahilmgandhi | 18:6a4db94011d3 | 211 | init_serial(); |
sahilmgandhi | 18:6a4db94011d3 | 212 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 213 | } else if (std::strcmp(name, __stdout_name) == 0) { |
sahilmgandhi | 18:6a4db94011d3 | 214 | init_serial(); |
sahilmgandhi | 18:6a4db94011d3 | 215 | return 1; |
sahilmgandhi | 18:6a4db94011d3 | 216 | } else if (std::strcmp(name, __stderr_name) == 0) { |
sahilmgandhi | 18:6a4db94011d3 | 217 | init_serial(); |
sahilmgandhi | 18:6a4db94011d3 | 218 | return 2; |
sahilmgandhi | 18:6a4db94011d3 | 219 | } |
sahilmgandhi | 18:6a4db94011d3 | 220 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 221 | |
sahilmgandhi | 18:6a4db94011d3 | 222 | /* if something goes wrong and errno is not explicly set, errno will be set to EBADF */ |
sahilmgandhi | 18:6a4db94011d3 | 223 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 224 | |
sahilmgandhi | 18:6a4db94011d3 | 225 | // find the first empty slot in filehandles |
sahilmgandhi | 18:6a4db94011d3 | 226 | filehandle_mutex->lock(); |
sahilmgandhi | 18:6a4db94011d3 | 227 | unsigned int fh_i; |
sahilmgandhi | 18:6a4db94011d3 | 228 | for (fh_i = 0; fh_i < sizeof(filehandles)/sizeof(*filehandles); fh_i++) { |
sahilmgandhi | 18:6a4db94011d3 | 229 | /* Take a next free filehandle slot available. */ |
sahilmgandhi | 18:6a4db94011d3 | 230 | if (filehandles[fh_i] == NULL) break; |
sahilmgandhi | 18:6a4db94011d3 | 231 | } |
sahilmgandhi | 18:6a4db94011d3 | 232 | if (fh_i >= sizeof(filehandles)/sizeof(*filehandles)) { |
sahilmgandhi | 18:6a4db94011d3 | 233 | /* Too many file handles have been opened */ |
sahilmgandhi | 18:6a4db94011d3 | 234 | errno = EMFILE; |
sahilmgandhi | 18:6a4db94011d3 | 235 | filehandle_mutex->unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 236 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 237 | } |
sahilmgandhi | 18:6a4db94011d3 | 238 | filehandles[fh_i] = (FileLike*)FILE_HANDLE_RESERVED; |
sahilmgandhi | 18:6a4db94011d3 | 239 | filehandle_mutex->unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 240 | |
sahilmgandhi | 18:6a4db94011d3 | 241 | FileLike *res = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 242 | |
sahilmgandhi | 18:6a4db94011d3 | 243 | /* FILENAME: ":0x12345678" describes a FileLike* */ |
sahilmgandhi | 18:6a4db94011d3 | 244 | if (name[0] == ':') { |
sahilmgandhi | 18:6a4db94011d3 | 245 | void *p; |
sahilmgandhi | 18:6a4db94011d3 | 246 | sscanf(name, ":%p", &p); |
sahilmgandhi | 18:6a4db94011d3 | 247 | res = (FileLike*)p; |
sahilmgandhi | 18:6a4db94011d3 | 248 | |
sahilmgandhi | 18:6a4db94011d3 | 249 | /* FILENAME: "/file_system/file_name" */ |
sahilmgandhi | 18:6a4db94011d3 | 250 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 251 | FilePath path(name); |
sahilmgandhi | 18:6a4db94011d3 | 252 | |
sahilmgandhi | 18:6a4db94011d3 | 253 | if (!path.exists()) { |
sahilmgandhi | 18:6a4db94011d3 | 254 | /* The first part of the filename (between first 2 '/') is not a |
sahilmgandhi | 18:6a4db94011d3 | 255 | * registered mount point in the namespace. |
sahilmgandhi | 18:6a4db94011d3 | 256 | * Free file handle. |
sahilmgandhi | 18:6a4db94011d3 | 257 | */ |
sahilmgandhi | 18:6a4db94011d3 | 258 | filehandles[fh_i] = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 259 | errno = ENOENT; |
sahilmgandhi | 18:6a4db94011d3 | 260 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 261 | } else if (path.isFile()) { |
sahilmgandhi | 18:6a4db94011d3 | 262 | res = path.file(); |
sahilmgandhi | 18:6a4db94011d3 | 263 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 264 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 265 | FileSystem *fs = path.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 266 | if (fs == NULL) { |
sahilmgandhi | 18:6a4db94011d3 | 267 | /* The filesystem instance managing the namespace under the mount point |
sahilmgandhi | 18:6a4db94011d3 | 268 | * has not been found. Free file handle */ |
sahilmgandhi | 18:6a4db94011d3 | 269 | errno = ENOENT; |
sahilmgandhi | 18:6a4db94011d3 | 270 | filehandles[fh_i] = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 271 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 272 | } |
sahilmgandhi | 18:6a4db94011d3 | 273 | int posix_mode = openmode_to_posix(openmode); |
sahilmgandhi | 18:6a4db94011d3 | 274 | File *file = new ManagedFile; |
sahilmgandhi | 18:6a4db94011d3 | 275 | int err = file->open(fs, path.fileName(), posix_mode); |
sahilmgandhi | 18:6a4db94011d3 | 276 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 277 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 278 | delete file; |
sahilmgandhi | 18:6a4db94011d3 | 279 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 280 | res = file; |
sahilmgandhi | 18:6a4db94011d3 | 281 | } |
sahilmgandhi | 18:6a4db94011d3 | 282 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 283 | } |
sahilmgandhi | 18:6a4db94011d3 | 284 | } |
sahilmgandhi | 18:6a4db94011d3 | 285 | |
sahilmgandhi | 18:6a4db94011d3 | 286 | if (res == NULL) { |
sahilmgandhi | 18:6a4db94011d3 | 287 | // Free file handle |
sahilmgandhi | 18:6a4db94011d3 | 288 | filehandles[fh_i] = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 289 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 290 | } |
sahilmgandhi | 18:6a4db94011d3 | 291 | filehandles[fh_i] = res; |
sahilmgandhi | 18:6a4db94011d3 | 292 | |
sahilmgandhi | 18:6a4db94011d3 | 293 | return fh_i + 3; // +3 as filehandles 0-2 are stdin/out/err |
sahilmgandhi | 18:6a4db94011d3 | 294 | } |
sahilmgandhi | 18:6a4db94011d3 | 295 | |
sahilmgandhi | 18:6a4db94011d3 | 296 | extern "C" int PREFIX(_close)(FILEHANDLE fh) { |
sahilmgandhi | 18:6a4db94011d3 | 297 | if (fh < 3) return 0; |
sahilmgandhi | 18:6a4db94011d3 | 298 | |
sahilmgandhi | 18:6a4db94011d3 | 299 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 300 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 301 | filehandles[fh-3] = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 302 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 303 | |
sahilmgandhi | 18:6a4db94011d3 | 304 | int err = fhc->close(); |
sahilmgandhi | 18:6a4db94011d3 | 305 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 306 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 307 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 308 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 309 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 310 | } |
sahilmgandhi | 18:6a4db94011d3 | 311 | } |
sahilmgandhi | 18:6a4db94011d3 | 312 | |
sahilmgandhi | 18:6a4db94011d3 | 313 | #if defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 314 | extern "C" size_t __write (int fh, const unsigned char *buffer, size_t length) { |
sahilmgandhi | 18:6a4db94011d3 | 315 | #else |
sahilmgandhi | 18:6a4db94011d3 | 316 | extern "C" int PREFIX(_write)(FILEHANDLE fh, const unsigned char *buffer, unsigned int length, int mode) { |
sahilmgandhi | 18:6a4db94011d3 | 317 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 318 | int n; // n is the number of bytes written |
sahilmgandhi | 18:6a4db94011d3 | 319 | |
sahilmgandhi | 18:6a4db94011d3 | 320 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 321 | if (fh < 3) { |
sahilmgandhi | 18:6a4db94011d3 | 322 | #if DEVICE_SERIAL |
sahilmgandhi | 18:6a4db94011d3 | 323 | if (!stdio_uart_inited) init_serial(); |
sahilmgandhi | 18:6a4db94011d3 | 324 | #if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES |
sahilmgandhi | 18:6a4db94011d3 | 325 | for (unsigned int i = 0; i < length; i++) { |
sahilmgandhi | 18:6a4db94011d3 | 326 | if (buffer[i] == '\n' && stdio_out_prev != '\r') { |
sahilmgandhi | 18:6a4db94011d3 | 327 | serial_putc(&stdio_uart, '\r'); |
sahilmgandhi | 18:6a4db94011d3 | 328 | } |
sahilmgandhi | 18:6a4db94011d3 | 329 | serial_putc(&stdio_uart, buffer[i]); |
sahilmgandhi | 18:6a4db94011d3 | 330 | stdio_out_prev = buffer[i]; |
sahilmgandhi | 18:6a4db94011d3 | 331 | } |
sahilmgandhi | 18:6a4db94011d3 | 332 | #else |
sahilmgandhi | 18:6a4db94011d3 | 333 | for (unsigned int i = 0; i < length; i++) { |
sahilmgandhi | 18:6a4db94011d3 | 334 | serial_putc(&stdio_uart, buffer[i]); |
sahilmgandhi | 18:6a4db94011d3 | 335 | } |
sahilmgandhi | 18:6a4db94011d3 | 336 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 337 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 338 | n = length; |
sahilmgandhi | 18:6a4db94011d3 | 339 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 340 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 341 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 342 | |
sahilmgandhi | 18:6a4db94011d3 | 343 | n = fhc->write(buffer, length); |
sahilmgandhi | 18:6a4db94011d3 | 344 | if (n < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 345 | errno = -n; |
sahilmgandhi | 18:6a4db94011d3 | 346 | } |
sahilmgandhi | 18:6a4db94011d3 | 347 | } |
sahilmgandhi | 18:6a4db94011d3 | 348 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 349 | return length-n; |
sahilmgandhi | 18:6a4db94011d3 | 350 | #else |
sahilmgandhi | 18:6a4db94011d3 | 351 | return n; |
sahilmgandhi | 18:6a4db94011d3 | 352 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 353 | } |
sahilmgandhi | 18:6a4db94011d3 | 354 | |
sahilmgandhi | 18:6a4db94011d3 | 355 | #if defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 356 | extern "C" size_t __read (int fh, unsigned char *buffer, size_t length) { |
sahilmgandhi | 18:6a4db94011d3 | 357 | #else |
sahilmgandhi | 18:6a4db94011d3 | 358 | extern "C" int PREFIX(_read)(FILEHANDLE fh, unsigned char *buffer, unsigned int length, int mode) { |
sahilmgandhi | 18:6a4db94011d3 | 359 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 360 | int n; // n is the number of bytes read |
sahilmgandhi | 18:6a4db94011d3 | 361 | |
sahilmgandhi | 18:6a4db94011d3 | 362 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 363 | if (fh < 3) { |
sahilmgandhi | 18:6a4db94011d3 | 364 | // only read a character at a time from stdin |
sahilmgandhi | 18:6a4db94011d3 | 365 | #if DEVICE_SERIAL |
sahilmgandhi | 18:6a4db94011d3 | 366 | if (!stdio_uart_inited) init_serial(); |
sahilmgandhi | 18:6a4db94011d3 | 367 | #if MBED_CONF_PLATFORM_STDIO_CONVERT_NEWLINES |
sahilmgandhi | 18:6a4db94011d3 | 368 | while (true) { |
sahilmgandhi | 18:6a4db94011d3 | 369 | char c = serial_getc(&stdio_uart); |
sahilmgandhi | 18:6a4db94011d3 | 370 | if ((c == '\r' && stdio_in_prev != '\n') || |
sahilmgandhi | 18:6a4db94011d3 | 371 | (c == '\n' && stdio_in_prev != '\r')) { |
sahilmgandhi | 18:6a4db94011d3 | 372 | stdio_in_prev = c; |
sahilmgandhi | 18:6a4db94011d3 | 373 | *buffer = '\n'; |
sahilmgandhi | 18:6a4db94011d3 | 374 | break; |
sahilmgandhi | 18:6a4db94011d3 | 375 | } else if ((c == '\r' && stdio_in_prev == '\n') || |
sahilmgandhi | 18:6a4db94011d3 | 376 | (c == '\n' && stdio_in_prev == '\r')) { |
sahilmgandhi | 18:6a4db94011d3 | 377 | stdio_in_prev = c; |
sahilmgandhi | 18:6a4db94011d3 | 378 | // onto next character |
sahilmgandhi | 18:6a4db94011d3 | 379 | continue; |
sahilmgandhi | 18:6a4db94011d3 | 380 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 381 | stdio_in_prev = c; |
sahilmgandhi | 18:6a4db94011d3 | 382 | *buffer = c; |
sahilmgandhi | 18:6a4db94011d3 | 383 | break; |
sahilmgandhi | 18:6a4db94011d3 | 384 | } |
sahilmgandhi | 18:6a4db94011d3 | 385 | } |
sahilmgandhi | 18:6a4db94011d3 | 386 | #else |
sahilmgandhi | 18:6a4db94011d3 | 387 | *buffer = serial_getc(&stdio_uart); |
sahilmgandhi | 18:6a4db94011d3 | 388 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 389 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 390 | n = 1; |
sahilmgandhi | 18:6a4db94011d3 | 391 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 392 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 393 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 394 | |
sahilmgandhi | 18:6a4db94011d3 | 395 | n = fhc->read(buffer, length); |
sahilmgandhi | 18:6a4db94011d3 | 396 | if (n < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 397 | errno = -n; |
sahilmgandhi | 18:6a4db94011d3 | 398 | } |
sahilmgandhi | 18:6a4db94011d3 | 399 | } |
sahilmgandhi | 18:6a4db94011d3 | 400 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 401 | return length-n; |
sahilmgandhi | 18:6a4db94011d3 | 402 | #else |
sahilmgandhi | 18:6a4db94011d3 | 403 | return n; |
sahilmgandhi | 18:6a4db94011d3 | 404 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 405 | } |
sahilmgandhi | 18:6a4db94011d3 | 406 | |
sahilmgandhi | 18:6a4db94011d3 | 407 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 408 | extern "C" int PREFIX(_istty)(FILEHANDLE fh) |
sahilmgandhi | 18:6a4db94011d3 | 409 | #else |
sahilmgandhi | 18:6a4db94011d3 | 410 | extern "C" int _isatty(FILEHANDLE fh) |
sahilmgandhi | 18:6a4db94011d3 | 411 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 412 | { |
sahilmgandhi | 18:6a4db94011d3 | 413 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 414 | /* stdin, stdout and stderr should be tty */ |
sahilmgandhi | 18:6a4db94011d3 | 415 | if (fh < 3) return 1; |
sahilmgandhi | 18:6a4db94011d3 | 416 | |
sahilmgandhi | 18:6a4db94011d3 | 417 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 418 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 419 | |
sahilmgandhi | 18:6a4db94011d3 | 420 | int err = fhc->isatty(); |
sahilmgandhi | 18:6a4db94011d3 | 421 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 422 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 423 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 424 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 425 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 426 | } |
sahilmgandhi | 18:6a4db94011d3 | 427 | } |
sahilmgandhi | 18:6a4db94011d3 | 428 | |
sahilmgandhi | 18:6a4db94011d3 | 429 | extern "C" |
sahilmgandhi | 18:6a4db94011d3 | 430 | #if defined(__ARMCC_VERSION) |
sahilmgandhi | 18:6a4db94011d3 | 431 | int _sys_seek(FILEHANDLE fh, long position) |
sahilmgandhi | 18:6a4db94011d3 | 432 | #elif defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 433 | long __lseek(int fh, long offset, int whence) |
sahilmgandhi | 18:6a4db94011d3 | 434 | #else |
sahilmgandhi | 18:6a4db94011d3 | 435 | int _lseek(FILEHANDLE fh, int offset, int whence) |
sahilmgandhi | 18:6a4db94011d3 | 436 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 437 | { |
sahilmgandhi | 18:6a4db94011d3 | 438 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 439 | if (fh < 3) return 0; |
sahilmgandhi | 18:6a4db94011d3 | 440 | |
sahilmgandhi | 18:6a4db94011d3 | 441 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 442 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 443 | |
sahilmgandhi | 18:6a4db94011d3 | 444 | #if defined(__ARMCC_VERSION) |
sahilmgandhi | 18:6a4db94011d3 | 445 | return fhc->seek(position, SEEK_SET); |
sahilmgandhi | 18:6a4db94011d3 | 446 | #else |
sahilmgandhi | 18:6a4db94011d3 | 447 | return fhc->seek(offset, whence); |
sahilmgandhi | 18:6a4db94011d3 | 448 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 449 | } |
sahilmgandhi | 18:6a4db94011d3 | 450 | |
sahilmgandhi | 18:6a4db94011d3 | 451 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 452 | extern "C" int PREFIX(_ensure)(FILEHANDLE fh) { |
sahilmgandhi | 18:6a4db94011d3 | 453 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 454 | if (fh < 3) return 0; |
sahilmgandhi | 18:6a4db94011d3 | 455 | |
sahilmgandhi | 18:6a4db94011d3 | 456 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 457 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 458 | |
sahilmgandhi | 18:6a4db94011d3 | 459 | int err = fhc->sync(); |
sahilmgandhi | 18:6a4db94011d3 | 460 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 461 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 462 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 463 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 464 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 465 | } |
sahilmgandhi | 18:6a4db94011d3 | 466 | } |
sahilmgandhi | 18:6a4db94011d3 | 467 | |
sahilmgandhi | 18:6a4db94011d3 | 468 | extern "C" long PREFIX(_flen)(FILEHANDLE fh) { |
sahilmgandhi | 18:6a4db94011d3 | 469 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 470 | if (fh < 3) return 0; |
sahilmgandhi | 18:6a4db94011d3 | 471 | |
sahilmgandhi | 18:6a4db94011d3 | 472 | FileLike* fhc = filehandles[fh-3]; |
sahilmgandhi | 18:6a4db94011d3 | 473 | if (fhc == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 474 | |
sahilmgandhi | 18:6a4db94011d3 | 475 | return fhc->size(); |
sahilmgandhi | 18:6a4db94011d3 | 476 | } |
sahilmgandhi | 18:6a4db94011d3 | 477 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 478 | |
sahilmgandhi | 18:6a4db94011d3 | 479 | |
sahilmgandhi | 18:6a4db94011d3 | 480 | #if !defined(__ARMCC_VERSION) && !defined(__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 481 | extern "C" int _fstat(int fd, struct stat *st) { |
sahilmgandhi | 18:6a4db94011d3 | 482 | if (fd < 3) { |
sahilmgandhi | 18:6a4db94011d3 | 483 | st->st_mode = S_IFCHR; |
sahilmgandhi | 18:6a4db94011d3 | 484 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 485 | } |
sahilmgandhi | 18:6a4db94011d3 | 486 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 487 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 488 | } |
sahilmgandhi | 18:6a4db94011d3 | 489 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 490 | |
sahilmgandhi | 18:6a4db94011d3 | 491 | namespace std { |
sahilmgandhi | 18:6a4db94011d3 | 492 | extern "C" int remove(const char *path) { |
sahilmgandhi | 18:6a4db94011d3 | 493 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 494 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 495 | FilePath fp(path); |
sahilmgandhi | 18:6a4db94011d3 | 496 | FileSystem *fs = fp.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 497 | if (fs == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 498 | |
sahilmgandhi | 18:6a4db94011d3 | 499 | int err = fs->remove(fp.fileName()); |
sahilmgandhi | 18:6a4db94011d3 | 500 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 501 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 502 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 503 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 504 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 505 | } |
sahilmgandhi | 18:6a4db94011d3 | 506 | #else |
sahilmgandhi | 18:6a4db94011d3 | 507 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 508 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 509 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 510 | } |
sahilmgandhi | 18:6a4db94011d3 | 511 | |
sahilmgandhi | 18:6a4db94011d3 | 512 | extern "C" int rename(const char *oldname, const char *newname) { |
sahilmgandhi | 18:6a4db94011d3 | 513 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 514 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 515 | FilePath fpOld(oldname); |
sahilmgandhi | 18:6a4db94011d3 | 516 | FilePath fpNew(newname); |
sahilmgandhi | 18:6a4db94011d3 | 517 | FileSystem *fsOld = fpOld.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 518 | FileSystem *fsNew = fpNew.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 519 | |
sahilmgandhi | 18:6a4db94011d3 | 520 | /* rename only if both files are on the same FS */ |
sahilmgandhi | 18:6a4db94011d3 | 521 | if (fsOld != fsNew || fsOld == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 522 | |
sahilmgandhi | 18:6a4db94011d3 | 523 | int err = fsOld->rename(fpOld.fileName(), fpNew.fileName()); |
sahilmgandhi | 18:6a4db94011d3 | 524 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 525 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 526 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 527 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 528 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 529 | } |
sahilmgandhi | 18:6a4db94011d3 | 530 | #else |
sahilmgandhi | 18:6a4db94011d3 | 531 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 532 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 533 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 534 | } |
sahilmgandhi | 18:6a4db94011d3 | 535 | |
sahilmgandhi | 18:6a4db94011d3 | 536 | extern "C" char *tmpnam(char *s) { |
sahilmgandhi | 18:6a4db94011d3 | 537 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 538 | return NULL; |
sahilmgandhi | 18:6a4db94011d3 | 539 | } |
sahilmgandhi | 18:6a4db94011d3 | 540 | |
sahilmgandhi | 18:6a4db94011d3 | 541 | extern "C" FILE *tmpfile() { |
sahilmgandhi | 18:6a4db94011d3 | 542 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 543 | return NULL; |
sahilmgandhi | 18:6a4db94011d3 | 544 | } |
sahilmgandhi | 18:6a4db94011d3 | 545 | } // namespace std |
sahilmgandhi | 18:6a4db94011d3 | 546 | |
sahilmgandhi | 18:6a4db94011d3 | 547 | #ifdef __ARMCC_VERSION |
sahilmgandhi | 18:6a4db94011d3 | 548 | extern "C" char *_sys_command_string(char *cmd, int len) { |
sahilmgandhi | 18:6a4db94011d3 | 549 | return NULL; |
sahilmgandhi | 18:6a4db94011d3 | 550 | } |
sahilmgandhi | 18:6a4db94011d3 | 551 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 552 | |
sahilmgandhi | 18:6a4db94011d3 | 553 | extern "C" DIR *opendir(const char *path) { |
sahilmgandhi | 18:6a4db94011d3 | 554 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 555 | errno = EBADF; |
sahilmgandhi | 18:6a4db94011d3 | 556 | |
sahilmgandhi | 18:6a4db94011d3 | 557 | FilePath fp(path); |
sahilmgandhi | 18:6a4db94011d3 | 558 | FileSystem* fs = fp.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 559 | if (fs == NULL) return NULL; |
sahilmgandhi | 18:6a4db94011d3 | 560 | |
sahilmgandhi | 18:6a4db94011d3 | 561 | Dir *dir = new ManagedDir; |
sahilmgandhi | 18:6a4db94011d3 | 562 | int err = dir->open(fs, fp.fileName()); |
sahilmgandhi | 18:6a4db94011d3 | 563 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 564 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 565 | delete dir; |
sahilmgandhi | 18:6a4db94011d3 | 566 | dir = NULL; |
sahilmgandhi | 18:6a4db94011d3 | 567 | } |
sahilmgandhi | 18:6a4db94011d3 | 568 | |
sahilmgandhi | 18:6a4db94011d3 | 569 | return dir; |
sahilmgandhi | 18:6a4db94011d3 | 570 | #else |
sahilmgandhi | 18:6a4db94011d3 | 571 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 572 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 573 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 574 | } |
sahilmgandhi | 18:6a4db94011d3 | 575 | |
sahilmgandhi | 18:6a4db94011d3 | 576 | extern "C" struct dirent *readdir(DIR *dir) { |
sahilmgandhi | 18:6a4db94011d3 | 577 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 578 | static struct dirent ent; |
sahilmgandhi | 18:6a4db94011d3 | 579 | int err = dir->read(&ent); |
sahilmgandhi | 18:6a4db94011d3 | 580 | if (err < 1) { |
sahilmgandhi | 18:6a4db94011d3 | 581 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 582 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 583 | } |
sahilmgandhi | 18:6a4db94011d3 | 584 | return NULL; |
sahilmgandhi | 18:6a4db94011d3 | 585 | } |
sahilmgandhi | 18:6a4db94011d3 | 586 | |
sahilmgandhi | 18:6a4db94011d3 | 587 | return &ent; |
sahilmgandhi | 18:6a4db94011d3 | 588 | #else |
sahilmgandhi | 18:6a4db94011d3 | 589 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 590 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 591 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 592 | } |
sahilmgandhi | 18:6a4db94011d3 | 593 | |
sahilmgandhi | 18:6a4db94011d3 | 594 | extern "C" int closedir(DIR *dir) { |
sahilmgandhi | 18:6a4db94011d3 | 595 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 596 | int err = dir->close(); |
sahilmgandhi | 18:6a4db94011d3 | 597 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 598 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 599 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 600 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 601 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 602 | } |
sahilmgandhi | 18:6a4db94011d3 | 603 | #else |
sahilmgandhi | 18:6a4db94011d3 | 604 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 605 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 606 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 607 | } |
sahilmgandhi | 18:6a4db94011d3 | 608 | |
sahilmgandhi | 18:6a4db94011d3 | 609 | extern "C" void rewinddir(DIR *dir) { |
sahilmgandhi | 18:6a4db94011d3 | 610 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 611 | dir->rewind(); |
sahilmgandhi | 18:6a4db94011d3 | 612 | #else |
sahilmgandhi | 18:6a4db94011d3 | 613 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 614 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 615 | } |
sahilmgandhi | 18:6a4db94011d3 | 616 | |
sahilmgandhi | 18:6a4db94011d3 | 617 | extern "C" off_t telldir(DIR *dir) { |
sahilmgandhi | 18:6a4db94011d3 | 618 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 619 | return dir->tell(); |
sahilmgandhi | 18:6a4db94011d3 | 620 | #else |
sahilmgandhi | 18:6a4db94011d3 | 621 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 622 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 623 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 624 | } |
sahilmgandhi | 18:6a4db94011d3 | 625 | |
sahilmgandhi | 18:6a4db94011d3 | 626 | extern "C" void seekdir(DIR *dir, off_t off) { |
sahilmgandhi | 18:6a4db94011d3 | 627 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 628 | dir->seek(off); |
sahilmgandhi | 18:6a4db94011d3 | 629 | #else |
sahilmgandhi | 18:6a4db94011d3 | 630 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 631 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 632 | } |
sahilmgandhi | 18:6a4db94011d3 | 633 | |
sahilmgandhi | 18:6a4db94011d3 | 634 | extern "C" int mkdir(const char *path, mode_t mode) { |
sahilmgandhi | 18:6a4db94011d3 | 635 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 636 | FilePath fp(path); |
sahilmgandhi | 18:6a4db94011d3 | 637 | FileSystem *fs = fp.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 638 | if (fs == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 639 | |
sahilmgandhi | 18:6a4db94011d3 | 640 | int err = fs->mkdir(fp.fileName(), mode); |
sahilmgandhi | 18:6a4db94011d3 | 641 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 642 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 643 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 644 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 645 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 646 | } |
sahilmgandhi | 18:6a4db94011d3 | 647 | #else |
sahilmgandhi | 18:6a4db94011d3 | 648 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 649 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 650 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 651 | } |
sahilmgandhi | 18:6a4db94011d3 | 652 | |
sahilmgandhi | 18:6a4db94011d3 | 653 | extern "C" int stat(const char *path, struct stat *st) { |
sahilmgandhi | 18:6a4db94011d3 | 654 | #if MBED_CONF_FILESYSTEM_PRESENT |
sahilmgandhi | 18:6a4db94011d3 | 655 | FilePath fp(path); |
sahilmgandhi | 18:6a4db94011d3 | 656 | FileSystem *fs = fp.fileSystem(); |
sahilmgandhi | 18:6a4db94011d3 | 657 | if (fs == NULL) return -1; |
sahilmgandhi | 18:6a4db94011d3 | 658 | |
sahilmgandhi | 18:6a4db94011d3 | 659 | int err = fs->stat(fp.fileName(), st); |
sahilmgandhi | 18:6a4db94011d3 | 660 | if (err < 0) { |
sahilmgandhi | 18:6a4db94011d3 | 661 | errno = -err; |
sahilmgandhi | 18:6a4db94011d3 | 662 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 663 | } else { |
sahilmgandhi | 18:6a4db94011d3 | 664 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 665 | } |
sahilmgandhi | 18:6a4db94011d3 | 666 | #else |
sahilmgandhi | 18:6a4db94011d3 | 667 | errno = ENOSYS; |
sahilmgandhi | 18:6a4db94011d3 | 668 | return -1; |
sahilmgandhi | 18:6a4db94011d3 | 669 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 670 | } |
sahilmgandhi | 18:6a4db94011d3 | 671 | |
sahilmgandhi | 18:6a4db94011d3 | 672 | #if defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 673 | /* prevents the exception handling name demangling code getting pulled in */ |
sahilmgandhi | 18:6a4db94011d3 | 674 | #include "mbed_error.h" |
sahilmgandhi | 18:6a4db94011d3 | 675 | namespace __gnu_cxx { |
sahilmgandhi | 18:6a4db94011d3 | 676 | void __verbose_terminate_handler() { |
sahilmgandhi | 18:6a4db94011d3 | 677 | error("Exception"); |
sahilmgandhi | 18:6a4db94011d3 | 678 | } |
sahilmgandhi | 18:6a4db94011d3 | 679 | } |
sahilmgandhi | 18:6a4db94011d3 | 680 | extern "C" WEAK void __cxa_pure_virtual(void); |
sahilmgandhi | 18:6a4db94011d3 | 681 | extern "C" WEAK void __cxa_pure_virtual(void) { |
sahilmgandhi | 18:6a4db94011d3 | 682 | exit(1); |
sahilmgandhi | 18:6a4db94011d3 | 683 | } |
sahilmgandhi | 18:6a4db94011d3 | 684 | |
sahilmgandhi | 18:6a4db94011d3 | 685 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 686 | |
sahilmgandhi | 18:6a4db94011d3 | 687 | #if defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 688 | |
sahilmgandhi | 18:6a4db94011d3 | 689 | #ifdef FEATURE_UVISOR |
sahilmgandhi | 18:6a4db94011d3 | 690 | #include "uvisor-lib/uvisor-lib.h" |
sahilmgandhi | 18:6a4db94011d3 | 691 | #endif/* FEATURE_UVISOR */ |
sahilmgandhi | 18:6a4db94011d3 | 692 | |
sahilmgandhi | 18:6a4db94011d3 | 693 | |
sahilmgandhi | 18:6a4db94011d3 | 694 | extern "C" WEAK void software_init_hook_rtos(void) |
sahilmgandhi | 18:6a4db94011d3 | 695 | { |
sahilmgandhi | 18:6a4db94011d3 | 696 | // Do nothing by default. |
sahilmgandhi | 18:6a4db94011d3 | 697 | } |
sahilmgandhi | 18:6a4db94011d3 | 698 | |
sahilmgandhi | 18:6a4db94011d3 | 699 | extern "C" void software_init_hook(void) |
sahilmgandhi | 18:6a4db94011d3 | 700 | { |
sahilmgandhi | 18:6a4db94011d3 | 701 | #ifdef FEATURE_UVISOR |
sahilmgandhi | 18:6a4db94011d3 | 702 | int return_code; |
sahilmgandhi | 18:6a4db94011d3 | 703 | |
sahilmgandhi | 18:6a4db94011d3 | 704 | return_code = uvisor_lib_init(); |
sahilmgandhi | 18:6a4db94011d3 | 705 | if (return_code) { |
sahilmgandhi | 18:6a4db94011d3 | 706 | mbed_die(); |
sahilmgandhi | 18:6a4db94011d3 | 707 | } |
sahilmgandhi | 18:6a4db94011d3 | 708 | #endif/* FEATURE_UVISOR */ |
sahilmgandhi | 18:6a4db94011d3 | 709 | mbed_sdk_init(); |
sahilmgandhi | 18:6a4db94011d3 | 710 | software_init_hook_rtos(); |
sahilmgandhi | 18:6a4db94011d3 | 711 | } |
sahilmgandhi | 18:6a4db94011d3 | 712 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 713 | |
sahilmgandhi | 18:6a4db94011d3 | 714 | // **************************************************************************** |
sahilmgandhi | 18:6a4db94011d3 | 715 | // mbed_main is a function that is called before main() |
sahilmgandhi | 18:6a4db94011d3 | 716 | // mbed_sdk_init() is also a function that is called before main(), but unlike |
sahilmgandhi | 18:6a4db94011d3 | 717 | // mbed_main(), it is not meant for user code, but for the SDK itself to perform |
sahilmgandhi | 18:6a4db94011d3 | 718 | // initializations before main() is called. |
sahilmgandhi | 18:6a4db94011d3 | 719 | |
sahilmgandhi | 18:6a4db94011d3 | 720 | extern "C" WEAK void mbed_main(void); |
sahilmgandhi | 18:6a4db94011d3 | 721 | extern "C" WEAK void mbed_main(void) { |
sahilmgandhi | 18:6a4db94011d3 | 722 | } |
sahilmgandhi | 18:6a4db94011d3 | 723 | |
sahilmgandhi | 18:6a4db94011d3 | 724 | #if defined(TOOLCHAIN_ARM) |
sahilmgandhi | 18:6a4db94011d3 | 725 | extern "C" int $Super$$main(void); |
sahilmgandhi | 18:6a4db94011d3 | 726 | |
sahilmgandhi | 18:6a4db94011d3 | 727 | extern "C" int $Sub$$main(void) { |
sahilmgandhi | 18:6a4db94011d3 | 728 | mbed_main(); |
sahilmgandhi | 18:6a4db94011d3 | 729 | return $Super$$main(); |
sahilmgandhi | 18:6a4db94011d3 | 730 | } |
sahilmgandhi | 18:6a4db94011d3 | 731 | |
sahilmgandhi | 18:6a4db94011d3 | 732 | extern "C" void _platform_post_stackheap_init (void) { |
sahilmgandhi | 18:6a4db94011d3 | 733 | mbed_sdk_init(); |
sahilmgandhi | 18:6a4db94011d3 | 734 | } |
sahilmgandhi | 18:6a4db94011d3 | 735 | |
sahilmgandhi | 18:6a4db94011d3 | 736 | #elif defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 737 | extern "C" int __real_main(void); |
sahilmgandhi | 18:6a4db94011d3 | 738 | |
sahilmgandhi | 18:6a4db94011d3 | 739 | extern "C" int __wrap_main(void) { |
sahilmgandhi | 18:6a4db94011d3 | 740 | mbed_main(); |
sahilmgandhi | 18:6a4db94011d3 | 741 | return __real_main(); |
sahilmgandhi | 18:6a4db94011d3 | 742 | } |
sahilmgandhi | 18:6a4db94011d3 | 743 | #elif defined(TOOLCHAIN_IAR) |
sahilmgandhi | 18:6a4db94011d3 | 744 | // IAR doesn't have the $Super/$Sub mechanism of armcc, nor something equivalent |
sahilmgandhi | 18:6a4db94011d3 | 745 | // to ld's --wrap. It does have a --redirect, but that doesn't help, since redirecting |
sahilmgandhi | 18:6a4db94011d3 | 746 | // 'main' to another symbol looses the original 'main' symbol. However, its startup |
sahilmgandhi | 18:6a4db94011d3 | 747 | // code will call a function to setup argc and argv (__iar_argc_argv) if it is defined. |
sahilmgandhi | 18:6a4db94011d3 | 748 | // Since mbed doesn't use argc/argv, we use this function to call our mbed_main. |
sahilmgandhi | 18:6a4db94011d3 | 749 | extern "C" void __iar_argc_argv() { |
sahilmgandhi | 18:6a4db94011d3 | 750 | mbed_main(); |
sahilmgandhi | 18:6a4db94011d3 | 751 | } |
sahilmgandhi | 18:6a4db94011d3 | 752 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 753 | |
sahilmgandhi | 18:6a4db94011d3 | 754 | // Provide implementation of _sbrk (low-level dynamic memory allocation |
sahilmgandhi | 18:6a4db94011d3 | 755 | // routine) for GCC_ARM which compares new heap pointer with MSP instead of |
sahilmgandhi | 18:6a4db94011d3 | 756 | // SP. This make it compatible with RTX RTOS thread stacks. |
sahilmgandhi | 18:6a4db94011d3 | 757 | #if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_GCC_CR) |
sahilmgandhi | 18:6a4db94011d3 | 758 | // Linker defined symbol used by _sbrk to indicate where heap should start. |
sahilmgandhi | 18:6a4db94011d3 | 759 | extern "C" int __end__; |
sahilmgandhi | 18:6a4db94011d3 | 760 | |
sahilmgandhi | 18:6a4db94011d3 | 761 | #if defined(TARGET_CORTEX_A) |
sahilmgandhi | 18:6a4db94011d3 | 762 | extern "C" uint32_t __HeapLimit; |
sahilmgandhi | 18:6a4db94011d3 | 763 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 764 | |
sahilmgandhi | 18:6a4db94011d3 | 765 | // Turn off the errno macro and use actual global variable instead. |
sahilmgandhi | 18:6a4db94011d3 | 766 | #undef errno |
sahilmgandhi | 18:6a4db94011d3 | 767 | extern "C" int errno; |
sahilmgandhi | 18:6a4db94011d3 | 768 | |
sahilmgandhi | 18:6a4db94011d3 | 769 | // For ARM7 only |
sahilmgandhi | 18:6a4db94011d3 | 770 | register unsigned char * stack_ptr __asm ("sp"); |
sahilmgandhi | 18:6a4db94011d3 | 771 | |
sahilmgandhi | 18:6a4db94011d3 | 772 | // Dynamic memory allocation related syscall. |
sahilmgandhi | 18:6a4db94011d3 | 773 | #if defined(TARGET_NUMAKER_PFM_NUC472) || defined(TARGET_NUMAKER_PFM_M453) |
sahilmgandhi | 18:6a4db94011d3 | 774 | // Overwrite _sbrk() to support two region model (heap and stack are two distinct regions). |
sahilmgandhi | 18:6a4db94011d3 | 775 | // __wrap__sbrk() is implemented in: |
sahilmgandhi | 18:6a4db94011d3 | 776 | // TARGET_NUMAKER_PFM_NUC472 hal/targets/cmsis/TARGET_NUVOTON/TARGET_NUC472/TARGET_NUMAKER_PFM_NUC472/TOOLCHAIN_GCC_ARM/retarget.c |
sahilmgandhi | 18:6a4db94011d3 | 777 | // TARGET_NUMAKER_PFM_M453 hal/targets/cmsis/TARGET_NUVOTON/TARGET_M451/TARGET_NUMAKER_PFM_M453/TOOLCHAIN_GCC_ARM/retarget.c |
sahilmgandhi | 18:6a4db94011d3 | 778 | extern "C" void *__wrap__sbrk(int incr); |
sahilmgandhi | 18:6a4db94011d3 | 779 | extern "C" caddr_t _sbrk(int incr) { |
sahilmgandhi | 18:6a4db94011d3 | 780 | return (caddr_t) __wrap__sbrk(incr); |
sahilmgandhi | 18:6a4db94011d3 | 781 | } |
sahilmgandhi | 18:6a4db94011d3 | 782 | #else |
sahilmgandhi | 18:6a4db94011d3 | 783 | extern "C" caddr_t _sbrk(int incr) { |
sahilmgandhi | 18:6a4db94011d3 | 784 | static unsigned char* heap = (unsigned char*)&__end__; |
sahilmgandhi | 18:6a4db94011d3 | 785 | unsigned char* prev_heap = heap; |
sahilmgandhi | 18:6a4db94011d3 | 786 | unsigned char* new_heap = heap + incr; |
sahilmgandhi | 18:6a4db94011d3 | 787 | |
sahilmgandhi | 18:6a4db94011d3 | 788 | #if defined(TARGET_ARM7) |
sahilmgandhi | 18:6a4db94011d3 | 789 | if (new_heap >= stack_ptr) { |
sahilmgandhi | 18:6a4db94011d3 | 790 | #elif defined(TARGET_CORTEX_A) |
sahilmgandhi | 18:6a4db94011d3 | 791 | if (new_heap >= (unsigned char*)&__HeapLimit) { /* __HeapLimit is end of heap section */ |
sahilmgandhi | 18:6a4db94011d3 | 792 | #else |
sahilmgandhi | 18:6a4db94011d3 | 793 | if (new_heap >= (unsigned char*)__get_MSP()) { |
sahilmgandhi | 18:6a4db94011d3 | 794 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 795 | errno = ENOMEM; |
sahilmgandhi | 18:6a4db94011d3 | 796 | return (caddr_t)-1; |
sahilmgandhi | 18:6a4db94011d3 | 797 | } |
sahilmgandhi | 18:6a4db94011d3 | 798 | |
sahilmgandhi | 18:6a4db94011d3 | 799 | // Additional heap checking if set |
sahilmgandhi | 18:6a4db94011d3 | 800 | if (mbed_heap_size && (new_heap >= mbed_heap_start + mbed_heap_size)) { |
sahilmgandhi | 18:6a4db94011d3 | 801 | errno = ENOMEM; |
sahilmgandhi | 18:6a4db94011d3 | 802 | return (caddr_t)-1; |
sahilmgandhi | 18:6a4db94011d3 | 803 | } |
sahilmgandhi | 18:6a4db94011d3 | 804 | |
sahilmgandhi | 18:6a4db94011d3 | 805 | heap = new_heap; |
sahilmgandhi | 18:6a4db94011d3 | 806 | return (caddr_t) prev_heap; |
sahilmgandhi | 18:6a4db94011d3 | 807 | } |
sahilmgandhi | 18:6a4db94011d3 | 808 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 809 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 810 | |
sahilmgandhi | 18:6a4db94011d3 | 811 | #if defined(TOOLCHAIN_GCC_ARM) || defined(TOOLCHAIN_GCC_CR) |
sahilmgandhi | 18:6a4db94011d3 | 812 | extern "C" void _exit(int return_code) { |
sahilmgandhi | 18:6a4db94011d3 | 813 | #else |
sahilmgandhi | 18:6a4db94011d3 | 814 | namespace std { |
sahilmgandhi | 18:6a4db94011d3 | 815 | extern "C" void exit(int return_code) { |
sahilmgandhi | 18:6a4db94011d3 | 816 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 817 | |
sahilmgandhi | 18:6a4db94011d3 | 818 | #if DEVICE_STDIO_MESSAGES |
sahilmgandhi | 18:6a4db94011d3 | 819 | #if MBED_CONF_PLATFORM_STDIO_FLUSH_AT_EXIT |
sahilmgandhi | 18:6a4db94011d3 | 820 | fflush(stdout); |
sahilmgandhi | 18:6a4db94011d3 | 821 | fflush(stderr); |
sahilmgandhi | 18:6a4db94011d3 | 822 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 823 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 824 | |
sahilmgandhi | 18:6a4db94011d3 | 825 | #if DEVICE_SEMIHOST |
sahilmgandhi | 18:6a4db94011d3 | 826 | if (mbed_interface_connected()) { |
sahilmgandhi | 18:6a4db94011d3 | 827 | semihost_exit(); |
sahilmgandhi | 18:6a4db94011d3 | 828 | } |
sahilmgandhi | 18:6a4db94011d3 | 829 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 830 | if (return_code) { |
sahilmgandhi | 18:6a4db94011d3 | 831 | mbed_die(); |
sahilmgandhi | 18:6a4db94011d3 | 832 | } |
sahilmgandhi | 18:6a4db94011d3 | 833 | |
sahilmgandhi | 18:6a4db94011d3 | 834 | while (1); |
sahilmgandhi | 18:6a4db94011d3 | 835 | } |
sahilmgandhi | 18:6a4db94011d3 | 836 | |
sahilmgandhi | 18:6a4db94011d3 | 837 | #if !defined(TOOLCHAIN_GCC_ARM) && !defined(TOOLCHAIN_GCC_CR) |
sahilmgandhi | 18:6a4db94011d3 | 838 | } //namespace std |
sahilmgandhi | 18:6a4db94011d3 | 839 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 840 | |
sahilmgandhi | 18:6a4db94011d3 | 841 | #if defined(TOOLCHAIN_ARM) || defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 842 | |
sahilmgandhi | 18:6a4db94011d3 | 843 | // This series of function disable the registration of global destructors |
sahilmgandhi | 18:6a4db94011d3 | 844 | // in a dynamic table which will be called when the application exit. |
sahilmgandhi | 18:6a4db94011d3 | 845 | // In mbed, program never exit properly, it dies. |
sahilmgandhi | 18:6a4db94011d3 | 846 | // More informations about this topic for ARMCC here: |
sahilmgandhi | 18:6a4db94011d3 | 847 | // http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.faqs/6449.html |
sahilmgandhi | 18:6a4db94011d3 | 848 | extern "C" { |
sahilmgandhi | 18:6a4db94011d3 | 849 | int __aeabi_atexit(void *object, void (*dtor)(void* /*this*/), void *handle) { |
sahilmgandhi | 18:6a4db94011d3 | 850 | return 1; |
sahilmgandhi | 18:6a4db94011d3 | 851 | } |
sahilmgandhi | 18:6a4db94011d3 | 852 | |
sahilmgandhi | 18:6a4db94011d3 | 853 | int __cxa_atexit(void (*dtor)(void* /*this*/), void *object, void *handle) { |
sahilmgandhi | 18:6a4db94011d3 | 854 | return 1; |
sahilmgandhi | 18:6a4db94011d3 | 855 | } |
sahilmgandhi | 18:6a4db94011d3 | 856 | |
sahilmgandhi | 18:6a4db94011d3 | 857 | void __cxa_finalize(void *handle) { |
sahilmgandhi | 18:6a4db94011d3 | 858 | } |
sahilmgandhi | 18:6a4db94011d3 | 859 | |
sahilmgandhi | 18:6a4db94011d3 | 860 | } // end of extern "C" |
sahilmgandhi | 18:6a4db94011d3 | 861 | |
sahilmgandhi | 18:6a4db94011d3 | 862 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 863 | |
sahilmgandhi | 18:6a4db94011d3 | 864 | |
sahilmgandhi | 18:6a4db94011d3 | 865 | #if defined(TOOLCHAIN_GCC) |
sahilmgandhi | 18:6a4db94011d3 | 866 | |
sahilmgandhi | 18:6a4db94011d3 | 867 | /* |
sahilmgandhi | 18:6a4db94011d3 | 868 | * Depending on how newlib is configured, it is often not enough to define |
sahilmgandhi | 18:6a4db94011d3 | 869 | * __aeabi_atexit, __cxa_atexit and __cxa_finalize in order to override the |
sahilmgandhi | 18:6a4db94011d3 | 870 | * behavior regarding the registration of handlers with atexit. |
sahilmgandhi | 18:6a4db94011d3 | 871 | * |
sahilmgandhi | 18:6a4db94011d3 | 872 | * To overcome this limitation, exit and atexit are overriden here. |
sahilmgandhi | 18:6a4db94011d3 | 873 | */ |
sahilmgandhi | 18:6a4db94011d3 | 874 | extern "C"{ |
sahilmgandhi | 18:6a4db94011d3 | 875 | |
sahilmgandhi | 18:6a4db94011d3 | 876 | /** |
sahilmgandhi | 18:6a4db94011d3 | 877 | * @brief Retarget of exit for GCC. |
sahilmgandhi | 18:6a4db94011d3 | 878 | * @details Unlike the standard version, this function doesn't call any function |
sahilmgandhi | 18:6a4db94011d3 | 879 | * registered with atexit before calling _exit. |
sahilmgandhi | 18:6a4db94011d3 | 880 | */ |
sahilmgandhi | 18:6a4db94011d3 | 881 | void __wrap_exit(int return_code) { |
sahilmgandhi | 18:6a4db94011d3 | 882 | _exit(return_code); |
sahilmgandhi | 18:6a4db94011d3 | 883 | } |
sahilmgandhi | 18:6a4db94011d3 | 884 | |
sahilmgandhi | 18:6a4db94011d3 | 885 | /** |
sahilmgandhi | 18:6a4db94011d3 | 886 | * @brief Retarget atexit from GCC. |
sahilmgandhi | 18:6a4db94011d3 | 887 | * @details This function will always fail and never register any handler to be |
sahilmgandhi | 18:6a4db94011d3 | 888 | * called at exit. |
sahilmgandhi | 18:6a4db94011d3 | 889 | */ |
sahilmgandhi | 18:6a4db94011d3 | 890 | int __wrap_atexit(void (*func)()) { |
sahilmgandhi | 18:6a4db94011d3 | 891 | return 1; |
sahilmgandhi | 18:6a4db94011d3 | 892 | } |
sahilmgandhi | 18:6a4db94011d3 | 893 | |
sahilmgandhi | 18:6a4db94011d3 | 894 | } |
sahilmgandhi | 18:6a4db94011d3 | 895 | |
sahilmgandhi | 18:6a4db94011d3 | 896 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 897 | |
sahilmgandhi | 18:6a4db94011d3 | 898 | |
sahilmgandhi | 18:6a4db94011d3 | 899 | |
sahilmgandhi | 18:6a4db94011d3 | 900 | namespace mbed { |
sahilmgandhi | 18:6a4db94011d3 | 901 | |
sahilmgandhi | 18:6a4db94011d3 | 902 | void mbed_set_unbuffered_stream(FILE *_file) { |
sahilmgandhi | 18:6a4db94011d3 | 903 | #if defined (__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 904 | char buf[2]; |
sahilmgandhi | 18:6a4db94011d3 | 905 | std::setvbuf(_file,buf,_IONBF,NULL); |
sahilmgandhi | 18:6a4db94011d3 | 906 | #else |
sahilmgandhi | 18:6a4db94011d3 | 907 | setbuf(_file, NULL); |
sahilmgandhi | 18:6a4db94011d3 | 908 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 909 | } |
sahilmgandhi | 18:6a4db94011d3 | 910 | |
sahilmgandhi | 18:6a4db94011d3 | 911 | int mbed_getc(FILE *_file){ |
sahilmgandhi | 18:6a4db94011d3 | 912 | #if defined (__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 913 | /*This is only valid for unbuffered streams*/ |
sahilmgandhi | 18:6a4db94011d3 | 914 | int res = std::fgetc(_file); |
sahilmgandhi | 18:6a4db94011d3 | 915 | if (res>=0){ |
sahilmgandhi | 18:6a4db94011d3 | 916 | _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */ |
sahilmgandhi | 18:6a4db94011d3 | 917 | _file->_Rend = _file->_Wend; |
sahilmgandhi | 18:6a4db94011d3 | 918 | _file->_Next = _file->_Wend; |
sahilmgandhi | 18:6a4db94011d3 | 919 | } |
sahilmgandhi | 18:6a4db94011d3 | 920 | return res; |
sahilmgandhi | 18:6a4db94011d3 | 921 | #else |
sahilmgandhi | 18:6a4db94011d3 | 922 | return std::fgetc(_file); |
sahilmgandhi | 18:6a4db94011d3 | 923 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 924 | } |
sahilmgandhi | 18:6a4db94011d3 | 925 | |
sahilmgandhi | 18:6a4db94011d3 | 926 | char* mbed_gets(char*s, int size, FILE *_file){ |
sahilmgandhi | 18:6a4db94011d3 | 927 | #if defined (__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 928 | /*This is only valid for unbuffered streams*/ |
sahilmgandhi | 18:6a4db94011d3 | 929 | char *str = fgets(s,size,_file); |
sahilmgandhi | 18:6a4db94011d3 | 930 | if (str!=NULL){ |
sahilmgandhi | 18:6a4db94011d3 | 931 | _file->_Mode = (unsigned short)(_file->_Mode & ~ 0x1000);/* Unset read mode */ |
sahilmgandhi | 18:6a4db94011d3 | 932 | _file->_Rend = _file->_Wend; |
sahilmgandhi | 18:6a4db94011d3 | 933 | _file->_Next = _file->_Wend; |
sahilmgandhi | 18:6a4db94011d3 | 934 | } |
sahilmgandhi | 18:6a4db94011d3 | 935 | return str; |
sahilmgandhi | 18:6a4db94011d3 | 936 | #else |
sahilmgandhi | 18:6a4db94011d3 | 937 | return std::fgets(s,size,_file); |
sahilmgandhi | 18:6a4db94011d3 | 938 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 939 | } |
sahilmgandhi | 18:6a4db94011d3 | 940 | |
sahilmgandhi | 18:6a4db94011d3 | 941 | } // namespace mbed |
sahilmgandhi | 18:6a4db94011d3 | 942 | |
sahilmgandhi | 18:6a4db94011d3 | 943 | #if defined (__ICCARM__) |
sahilmgandhi | 18:6a4db94011d3 | 944 | // Stub out locks when an rtos is not present |
sahilmgandhi | 18:6a4db94011d3 | 945 | extern "C" WEAK void __iar_system_Mtxinit(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 946 | extern "C" WEAK void __iar_system_Mtxdst(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 947 | extern "C" WEAK void __iar_system_Mtxlock(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 948 | extern "C" WEAK void __iar_system_Mtxunlock(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 949 | extern "C" WEAK void __iar_file_Mtxinit(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 950 | extern "C" WEAK void __iar_file_Mtxdst(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 951 | extern "C" WEAK void __iar_file_Mtxlock(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 952 | extern "C" WEAK void __iar_file_Mtxunlock(__iar_Rmtx *mutex) {} |
sahilmgandhi | 18:6a4db94011d3 | 953 | #elif defined(__CC_ARM) |
sahilmgandhi | 18:6a4db94011d3 | 954 | // Do nothing |
sahilmgandhi | 18:6a4db94011d3 | 955 | #elif defined (__GNUC__) |
sahilmgandhi | 18:6a4db94011d3 | 956 | struct _reent; |
sahilmgandhi | 18:6a4db94011d3 | 957 | // Stub out locks when an rtos is not present |
sahilmgandhi | 18:6a4db94011d3 | 958 | extern "C" WEAK void __rtos_malloc_lock( struct _reent *_r ) {} |
sahilmgandhi | 18:6a4db94011d3 | 959 | extern "C" WEAK void __rtos_malloc_unlock( struct _reent *_r ) {} |
sahilmgandhi | 18:6a4db94011d3 | 960 | extern "C" WEAK void __rtos_env_lock( struct _reent *_r ) {} |
sahilmgandhi | 18:6a4db94011d3 | 961 | extern "C" WEAK void __rtos_env_unlock( struct _reent *_r ) {} |
sahilmgandhi | 18:6a4db94011d3 | 962 | |
sahilmgandhi | 18:6a4db94011d3 | 963 | extern "C" void __malloc_lock( struct _reent *_r ) |
sahilmgandhi | 18:6a4db94011d3 | 964 | { |
sahilmgandhi | 18:6a4db94011d3 | 965 | __rtos_malloc_lock(_r); |
sahilmgandhi | 18:6a4db94011d3 | 966 | } |
sahilmgandhi | 18:6a4db94011d3 | 967 | |
sahilmgandhi | 18:6a4db94011d3 | 968 | extern "C" void __malloc_unlock( struct _reent *_r ) |
sahilmgandhi | 18:6a4db94011d3 | 969 | { |
sahilmgandhi | 18:6a4db94011d3 | 970 | __rtos_malloc_unlock(_r); |
sahilmgandhi | 18:6a4db94011d3 | 971 | } |
sahilmgandhi | 18:6a4db94011d3 | 972 | |
sahilmgandhi | 18:6a4db94011d3 | 973 | extern "C" void __env_lock( struct _reent *_r ) |
sahilmgandhi | 18:6a4db94011d3 | 974 | { |
sahilmgandhi | 18:6a4db94011d3 | 975 | __rtos_env_lock(_r); |
sahilmgandhi | 18:6a4db94011d3 | 976 | } |
sahilmgandhi | 18:6a4db94011d3 | 977 | |
sahilmgandhi | 18:6a4db94011d3 | 978 | extern "C" void __env_unlock( struct _reent *_r ) |
sahilmgandhi | 18:6a4db94011d3 | 979 | { |
sahilmgandhi | 18:6a4db94011d3 | 980 | __rtos_env_unlock(_r); |
sahilmgandhi | 18:6a4db94011d3 | 981 | } |
sahilmgandhi | 18:6a4db94011d3 | 982 | |
sahilmgandhi | 18:6a4db94011d3 | 983 | #define CXA_GUARD_INIT_DONE (1 << 0) |
sahilmgandhi | 18:6a4db94011d3 | 984 | #define CXA_GUARD_INIT_IN_PROGRESS (1 << 1) |
sahilmgandhi | 18:6a4db94011d3 | 985 | #define CXA_GUARD_MASK (CXA_GUARD_INIT_DONE | CXA_GUARD_INIT_IN_PROGRESS) |
sahilmgandhi | 18:6a4db94011d3 | 986 | |
sahilmgandhi | 18:6a4db94011d3 | 987 | extern "C" int __cxa_guard_acquire(int *guard_object_p) |
sahilmgandhi | 18:6a4db94011d3 | 988 | { |
sahilmgandhi | 18:6a4db94011d3 | 989 | uint8_t *guard_object = (uint8_t *)guard_object_p; |
sahilmgandhi | 18:6a4db94011d3 | 990 | if (CXA_GUARD_INIT_DONE == (*guard_object & CXA_GUARD_MASK)) { |
sahilmgandhi | 18:6a4db94011d3 | 991 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 992 | } |
sahilmgandhi | 18:6a4db94011d3 | 993 | singleton_lock(); |
sahilmgandhi | 18:6a4db94011d3 | 994 | if (CXA_GUARD_INIT_DONE == (*guard_object & CXA_GUARD_MASK)) { |
sahilmgandhi | 18:6a4db94011d3 | 995 | singleton_unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 996 | return 0; |
sahilmgandhi | 18:6a4db94011d3 | 997 | } |
sahilmgandhi | 18:6a4db94011d3 | 998 | MBED_ASSERT(0 == (*guard_object & CXA_GUARD_MASK)); |
sahilmgandhi | 18:6a4db94011d3 | 999 | *guard_object = *guard_object | CXA_GUARD_INIT_IN_PROGRESS; |
sahilmgandhi | 18:6a4db94011d3 | 1000 | return 1; |
sahilmgandhi | 18:6a4db94011d3 | 1001 | } |
sahilmgandhi | 18:6a4db94011d3 | 1002 | |
sahilmgandhi | 18:6a4db94011d3 | 1003 | extern "C" void __cxa_guard_release(int *guard_object_p) |
sahilmgandhi | 18:6a4db94011d3 | 1004 | { |
sahilmgandhi | 18:6a4db94011d3 | 1005 | uint8_t *guard_object = (uint8_t *)guard_object_p; |
sahilmgandhi | 18:6a4db94011d3 | 1006 | MBED_ASSERT(CXA_GUARD_INIT_IN_PROGRESS == (*guard_object & CXA_GUARD_MASK)); |
sahilmgandhi | 18:6a4db94011d3 | 1007 | *guard_object = (*guard_object & ~CXA_GUARD_MASK) | CXA_GUARD_INIT_DONE; |
sahilmgandhi | 18:6a4db94011d3 | 1008 | singleton_unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 1009 | } |
sahilmgandhi | 18:6a4db94011d3 | 1010 | |
sahilmgandhi | 18:6a4db94011d3 | 1011 | extern "C" void __cxa_guard_abort(int *guard_object_p) |
sahilmgandhi | 18:6a4db94011d3 | 1012 | { |
sahilmgandhi | 18:6a4db94011d3 | 1013 | uint8_t *guard_object = (uint8_t *)guard_object_p; |
sahilmgandhi | 18:6a4db94011d3 | 1014 | MBED_ASSERT(CXA_GUARD_INIT_IN_PROGRESS == (*guard_object & CXA_GUARD_MASK)); |
sahilmgandhi | 18:6a4db94011d3 | 1015 | *guard_object = *guard_object & ~CXA_GUARD_INIT_IN_PROGRESS; |
sahilmgandhi | 18:6a4db94011d3 | 1016 | singleton_unlock(); |
sahilmgandhi | 18:6a4db94011d3 | 1017 | } |
sahilmgandhi | 18:6a4db94011d3 | 1018 | |
sahilmgandhi | 18:6a4db94011d3 | 1019 | #endif |
sahilmgandhi | 18:6a4db94011d3 | 1020 | |
sahilmgandhi | 18:6a4db94011d3 | 1021 | void *operator new(std::size_t count) |
sahilmgandhi | 18:6a4db94011d3 | 1022 | { |
sahilmgandhi | 18:6a4db94011d3 | 1023 | void *buffer = malloc(count); |
sahilmgandhi | 18:6a4db94011d3 | 1024 | if (NULL == buffer) { |
sahilmgandhi | 18:6a4db94011d3 | 1025 | error("Operator new out of memory\r\n"); |
sahilmgandhi | 18:6a4db94011d3 | 1026 | } |
sahilmgandhi | 18:6a4db94011d3 | 1027 | return buffer; |
sahilmgandhi | 18:6a4db94011d3 | 1028 | } |
sahilmgandhi | 18:6a4db94011d3 | 1029 | |
sahilmgandhi | 18:6a4db94011d3 | 1030 | void *operator new[](std::size_t count) |
sahilmgandhi | 18:6a4db94011d3 | 1031 | { |
sahilmgandhi | 18:6a4db94011d3 | 1032 | void *buffer = malloc(count); |
sahilmgandhi | 18:6a4db94011d3 | 1033 | if (NULL == buffer) { |
sahilmgandhi | 18:6a4db94011d3 | 1034 | error("Operator new[] out of memory\r\n"); |
sahilmgandhi | 18:6a4db94011d3 | 1035 | } |
sahilmgandhi | 18:6a4db94011d3 | 1036 | return buffer; |
sahilmgandhi | 18:6a4db94011d3 | 1037 | } |
sahilmgandhi | 18:6a4db94011d3 | 1038 | |
sahilmgandhi | 18:6a4db94011d3 | 1039 | void operator delete(void *ptr) |
sahilmgandhi | 18:6a4db94011d3 | 1040 | { |
sahilmgandhi | 18:6a4db94011d3 | 1041 | if (ptr != NULL) { |
sahilmgandhi | 18:6a4db94011d3 | 1042 | free(ptr); |
sahilmgandhi | 18:6a4db94011d3 | 1043 | } |
sahilmgandhi | 18:6a4db94011d3 | 1044 | } |
sahilmgandhi | 18:6a4db94011d3 | 1045 | void operator delete[](void *ptr) |
sahilmgandhi | 18:6a4db94011d3 | 1046 | { |
sahilmgandhi | 18:6a4db94011d3 | 1047 | if (ptr != NULL) { |
sahilmgandhi | 18:6a4db94011d3 | 1048 | free(ptr); |
sahilmgandhi | 18:6a4db94011d3 | 1049 | } |
sahilmgandhi | 18:6a4db94011d3 | 1050 | } |