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143 lines
2.9 KiB
C
143 lines
2.9 KiB
C
/*
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ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <errno.h>
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#include <string.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include "sbuser.h"
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#define MAKERR(e) (-(int)(e))
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__attribute__((used))
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int _close_r(struct _reent *r, int file) {
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uint32_t err;
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err = sbFileClose((uint32_t)file);
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if (SB_ERR_ISERROR(err)) {
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__errno_r(r) = MAKERR(err);
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return -1;
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}
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return 0;
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}
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__attribute__((used))
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int _write_r(struct _reent *r, int file, char * ptr, int len) {
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uint32_t err;
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err = sbFileWrite((uint32_t)file, (const uint8_t *)ptr, (size_t)len);
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if (SB_ERR_ISERROR(err)) {
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__errno_r(r) = MAKERR(err);
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return -1;
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}
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return (int)err;
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}
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__attribute__((used))
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int _read_r(struct _reent *r, int file, char * ptr, int len) {
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uint32_t err;
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err = sbFileRead((uint32_t)file, (uint8_t *)ptr, (size_t)len);
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if (SB_ERR_ISERROR(err)) {
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__errno_r(r) = MAKERR(err);
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return -1;
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}
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return (int)err;
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}
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__attribute__((used))
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int _lseek_r(struct _reent *r, int file, int ptr, int dir) {
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uint32_t err;
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err = sbFileSeek((uint32_t)file, (uint32_t)ptr, (uint32_t)dir);
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if (SB_ERR_ISERROR(err)) {
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__errno_r(r) = MAKERR(err);
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return -1;
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}
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return (int)err;
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}
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__attribute__((used))
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int _fstat_r(struct _reent *r, int file, struct stat * st) {
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(void)r;
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(void)file;
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memset(st, 0, sizeof(*st));
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st->st_mode = S_IFCHR;
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return 0;
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}
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__attribute__((used))
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int _isatty_r(struct _reent *r, int fd) {
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(void)r;
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(void)fd;
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return 1;
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}
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__attribute__((used))
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caddr_t _sbrk_r(struct _reent *r, int incr) {
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extern uint8_t __heap_end__, __heap_base__;
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static uint8_t *p = &__heap_base__;
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uint8_t *prevp;
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prevp = p;
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if ((p + incr > &__heap_end__) ||
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(p + incr < &__heap_base__)) {
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__errno_r(r) = ENOMEM;
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return (caddr_t)-1;
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}
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p += incr;
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return (caddr_t)prevp;
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}
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__attribute__((used))
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int _getpid_r(struct _reent *r) {
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(void)r;
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return 1;
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}
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__attribute__((used))
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int _kill_r(struct _reent *r, int pid, int sig) {
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(void)pid;
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(void)sig;
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__errno_r(r) = EINVAL;
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return -1;
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}
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__attribute__((used))
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void _exit(int code) {
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sbExit((msg_t)code);
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while (true);
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}
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/*** EOF ***/
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