mirror of
https://github.com/esp8266/Arduino.git
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656a33e6f8
Update the core to use the define that the ESP32 uses, IRAM_ATTR, for placing code in DRAM.
137 lines
3.0 KiB
C++
137 lines
3.0 KiB
C++
/*
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libc_replacements.c - replaces libc functions with functions
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from Espressif SDK
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Copyright (c) 2015 Ivan Grokhotkov. All rights reserved.
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This file is part of the esp8266 core for Arduino environment.
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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This library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with this library; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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Modified 03 April 2015 by Markus Sattler
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*/
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#include <stddef.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <math.h>
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#include <limits.h>
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#include <errno.h>
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#include <string.h>
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#include <../include/time.h> // See issue #6714
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <unistd.h>
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#include <errno.h>
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#include <sys/reent.h>
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#include "ets_sys.h"
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#include "os_type.h"
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#include "osapi.h"
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#include "mem.h"
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#include "user_interface.h"
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#include "debug.h"
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extern "C" {
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int IRAM_ATTR _open_r (struct _reent* unused, const char *ptr, int mode) {
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(void)unused;
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(void)ptr;
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(void)mode;
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return 0;
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}
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int IRAM_ATTR _close_r(struct _reent* unused, int file) {
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(void)unused;
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(void)file;
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return 0;
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}
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int IRAM_ATTR _fstat_r(struct _reent* unused, int file, struct stat *st) {
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(void)unused;
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(void)file;
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st->st_mode = S_IFCHR;
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return 0;
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}
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int IRAM_ATTR _lseek_r(struct _reent* unused, int file, int ptr, int dir) {
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(void)unused;
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(void)file;
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(void)ptr;
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(void)dir;
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return 0;
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}
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int IRAM_ATTR _read_r(struct _reent* unused, int file, char *ptr, int len) {
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(void)unused;
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(void)file;
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(void)ptr;
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(void)len;
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return 0;
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}
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int IRAM_ATTR _write_r(struct _reent* r, int file, char *ptr, int len) {
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(void) r;
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int pos = len;
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if (file == STDOUT_FILENO) {
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while(pos--) {
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ets_putc(*ptr);
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++ptr;
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}
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}
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return len;
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}
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int IRAM_ATTR _putc_r(struct _reent* r, int c, FILE* file) __attribute__((weak));
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int IRAM_ATTR _putc_r(struct _reent* r, int c, FILE* file) {
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(void) r;
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if (file->_file == STDOUT_FILENO) {
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ets_putc(c);
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return c;
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}
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return EOF;
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}
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int IRAM_ATTR puts(const char * str) {
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char c;
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while((c = *str) != 0) {
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ets_putc(c);
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++str;
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}
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ets_putc('\n');
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return true;
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}
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#undef putchar
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int IRAM_ATTR putchar(int c) {
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ets_putc(c);
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return c;
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}
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void _exit(int status) {
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(void) status;
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abort();
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}
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int atexit(void (*func)()) __attribute__((weak));
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int atexit(void (*func)()) {
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(void) func;
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return 0;
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}
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};
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