mirror of https://github.com/rusefi/ChibiOS.git
137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/*
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ChibiOS - Copyright (C) 2006,2007,2008,2009,2010,2011,2012,2013,2014,
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2015,2016,2017,2018,2019,2020,2021 Giovanni Di Sirio.
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This file is part of ChibiOS.
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ChibiOS is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation version 3 of the License.
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ChibiOS 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
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file sb/host/sbposix.c
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* @brief ARM sandbox host Posix API code.
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*
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* @addtogroup ARM_SANDBOX_HOSTAPI
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* @{
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*/
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#include "ch.h"
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#include "sb.h"
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/*===========================================================================*/
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/* Module local definitions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local types. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local variables. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module local functions. */
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/*===========================================================================*/
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/*===========================================================================*/
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/* Module exported functions. */
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/*===========================================================================*/
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uint32_t sb_posix_open(const char *pathname, uint32_t flags) {
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(void)pathname;
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(void)flags;
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return SB_ERR_ENOENT;
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}
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uint32_t sb_posix_close(uint32_t fd) {
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if ((fd == 0U) || (fd == 1U) || (fd == 2U)) {
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return SB_ERR_NOERROR;
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}
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return SB_ERR_EBADFD;
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}
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uint32_t sb_posix_read(uint32_t fd, uint8_t *buf, size_t count) {
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sb_class_t *sbcp = (sb_class_t *)chThdGetSelfX()->ctx.syscall.p;
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if (!sb_is_valid_write_range(sbcp, (void *)buf, count)) {
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return SB_ERR_EFAULT;
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}
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if (fd == 0U) {
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SandboxStream *ssp = sbcp->config->stdin_stream;
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if ((count == 0U) || (ssp == NULL)) {
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return 0U;
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}
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return (uint32_t)ssp->vmt->read((void *)ssp, buf, count);
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}
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return SB_ERR_EBADFD;
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}
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uint32_t sb_posix_write(uint32_t fd, const uint8_t *buf, size_t count) {
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sb_class_t *sbcp = (sb_class_t *)chThdGetSelfX()->ctx.syscall.p;
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if (!sb_is_valid_read_range(sbcp, (const void *)buf, count)) {
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return SB_ERR_EFAULT;
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}
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if (fd == 1U) {
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SandboxStream *ssp = sbcp->config->stdout_stream;
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if ((count == 0U) || (ssp == NULL)) {
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return 0U;
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}
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return (uint32_t)ssp->vmt->write((void *)ssp, buf, count);
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}
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if (fd == 2U) {
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SandboxStream *ssp = sbcp->config->stderr_stream;
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if ((count == 0U) || (ssp == NULL)) {
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return 0U;
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}
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return (uint32_t)ssp->vmt->write((void *)ssp, buf, count);
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}
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return SB_ERR_EBADFD;
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}
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uint32_t sb_posix_lseek(uint32_t fd, uint32_t offset, uint32_t whence) {
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(void)offset;
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(void)whence;
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if ((fd == 0U) || (fd == 1U) || (fd == 2U)) {
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return SB_ERR_ESPIPE;
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}
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return SB_ERR_EBADFD;
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}
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/** @} */
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