From 48026bb824fd2d9cfb00ecd040db6ef3a416bae9 Mon Sep 17 00:00:00 2001 From: Clyne Sullivan Date: Fri, 22 Jan 2021 21:43:36 -0500 Subject: upload initial port --- ChibiOS_20.3.2/os/various/syscalls.c | 172 +++++++++++++++++++++++++++++++++++ 1 file changed, 172 insertions(+) create mode 100644 ChibiOS_20.3.2/os/various/syscalls.c (limited to 'ChibiOS_20.3.2/os/various/syscalls.c') diff --git a/ChibiOS_20.3.2/os/various/syscalls.c b/ChibiOS_20.3.2/os/various/syscalls.c new file mode 100644 index 0000000..8da8f75 --- /dev/null +++ b/ChibiOS_20.3.2/os/various/syscalls.c @@ -0,0 +1,172 @@ +/* + ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. + */ +/* + * **** This file incorporates work covered by the following copyright and **** + * **** permission notice: **** + * + * Copyright (c) 2009 by Michael Fischer. All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. Neither the name of the author nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL + * THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, + * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF + * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + **************************************************************************** + * History: + * + * 28.03.09 mifi First Version, based on the original syscall.c from + * newlib version 1.17.0 + * 17.08.09 gdisirio Modified the file for use under ChibiOS/RT + * 15.11.09 gdisirio Added read and write handling + ****************************************************************************/ + +#include +#include +#include +#include +#include + +#include "ch.h" +#if defined(STDOUT_SD) || defined(STDIN_SD) +#include "hal.h" +#endif + +/***************************************************************************/ + +__attribute__((used)) +int _read_r(struct _reent *r, int file, char * ptr, int len) { + (void)r; +#if defined(STDIN_SD) + if (!len || (file != 0)) { + __errno_r(r) = EINVAL; + return -1; + } + len = sdRead(&STDIN_SD, (uint8_t *)ptr, (size_t)len); + return len; +#else + (void)file; + (void)ptr; + (void)len; + __errno_r(r) = EINVAL; + return -1; +#endif +} + +/***************************************************************************/ + +__attribute__((used)) +int _lseek_r(struct _reent *r, int file, int ptr, int dir) { + (void)r; + (void)file; + (void)ptr; + (void)dir; + + return 0; +} + +/***************************************************************************/ + +__attribute__((used)) +int _write_r(struct _reent *r, int file, char * ptr, int len) { + (void)r; + (void)file; + (void)ptr; +#if defined(STDOUT_SD) + if (file != 1) { + __errno_r(r) = EINVAL; + return -1; + } + sdWrite(&STDOUT_SD, (uint8_t *)ptr, (size_t)len); +#endif + return len; +} + +/***************************************************************************/ + +__attribute__((used)) +int _close_r(struct _reent *r, int file) { + (void)r; + (void)file; + + return 0; +} + +/***************************************************************************/ + +__attribute__((used)) +caddr_t _sbrk_r(struct _reent *r, int incr) { +#if CH_CFG_USE_MEMCORE + void *p; + + chDbgCheck(incr >= 0); + + p = chCoreAllocFromBase((size_t)incr, 1U, 0U); + if (p == NULL) { + __errno_r(r) = ENOMEM; + return (caddr_t)-1; + } + return (caddr_t)p; +#else + (void)incr; + __errno_r(r) = ENOMEM; + return (caddr_t)-1; +#endif +} + +/***************************************************************************/ + +__attribute__((used)) +int _fstat_r(struct _reent *r, int file, struct stat * st) { + (void)r; + (void)file; + + memset(st, 0, sizeof(*st)); + st->st_mode = S_IFCHR; + return 0; +} + +/***************************************************************************/ + +__attribute__((used)) +int _isatty_r(struct _reent *r, int fd) { + (void)r; + (void)fd; + + return 1; +} + +/*** EOF ***/ -- cgit v1.2.3