ChibiOS/os/sb/host/sbapi.c

172 lines
5.0 KiB
C

/*
ChibiOS - Copyright (C) 2006..2019 Giovanni Di Sirio.
This file is part of ChibiOS.
ChibiOS is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @file sb/host/sbhost.c
* @brief ARMv7-M sandbox host API code.
*
* @addtogroup ARMV7M_SANDBOX_HOSTAPI
* @{
*/
#include "ch.h"
#include "sbhost.h"
/*===========================================================================*/
/* Module local definitions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local types. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local variables. */
/*===========================================================================*/
/*===========================================================================*/
/* Module local functions. */
/*===========================================================================*/
/*===========================================================================*/
/* Module exported functions. */
/*===========================================================================*/
uint32_t sb_api_exit(struct port_extctx *ctxp) {
chThdExit((msg_t)ctxp->r0);
return SB_ERR_NOT_IMPLEMENTED;
}
uint32_t sb_api_get_systime(struct port_extctx *ctxp) {
(void)ctxp;
return (uint32_t)chVTGetSystemTimeX();
}
uint32_t sb_api_get_frequency(struct port_extctx *ctxp) {
(void)ctxp;
return (uint32_t)CH_CFG_ST_FREQUENCY;
}
uint32_t sb_api_sleep(struct port_extctx *ctxp) {
sysinterval_t interval = (sysinterval_t)ctxp->r0;
if (interval != TIME_IMMEDIATE) {
chThdSleep(interval);
}
return SB_ERR_NOERROR;
}
uint32_t sb_api_sleep_until_windowed(struct port_extctx *ctxp) {
chThdSleepUntilWindowed((systime_t)ctxp->r0, (systime_t)ctxp->r1);
return SB_ERR_NOERROR;
}
uint32_t sb_api_wait_message(struct port_extctx *ctxp) {
#if CH_CFG_USE_MESSAGES == TRUE
sb_class_t *sbcp = (sb_class_t *)chThdGetSelfX()->ctx.syscall.p;
(void)ctxp;
if (sbcp->msg_tp == NULL) {
sbcp->msg_tp = chMsgWait();
return (uint32_t)chMsgGet(sbcp->msg_tp);
}
else {
chMsgRelease(sbcp->msg_tp, MSG_RESET);
sbcp->msg_tp = NULL;
return SB_ERR_API_USAGE;
}
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
uint32_t sb_api_reply_message(struct port_extctx *ctxp) {
#if CH_CFG_USE_MESSAGES == TRUE
sb_class_t *sbcp = (sb_class_t *)chThdGetSelfX()->ctx.syscall.p;
if (sbcp->msg_tp != NULL) {
chMsgRelease(sbcp->msg_tp, (msg_t)ctxp->r0);
sbcp->msg_tp = NULL;
return SB_ERR_API_USAGE;
}
else {
return SB_ERR_API_USAGE;
}
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
uint32_t sb_api_wait_one_timeout(struct port_extctx *ctxp) {
#if CH_CFG_USE_EVENTS == TRUE
return (uint32_t)chEvtWaitOneTimeout((eventmask_t)ctxp->r0,
(sysinterval_t)ctxp->r1);
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
uint32_t sb_api_wait_any_timeout(struct port_extctx *ctxp) {
#if CH_CFG_USE_EVENTS == TRUE
return (uint32_t)chEvtWaitAnyTimeout((eventmask_t)ctxp->r0,
(sysinterval_t)ctxp->r1);
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
uint32_t sb_api_wait_all_timeout(struct port_extctx *ctxp) {
#if CH_CFG_USE_EVENTS == TRUE
return (uint32_t)chEvtWaitAllTimeout((eventmask_t)ctxp->r0,
(sysinterval_t)ctxp->r1);
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
uint32_t sb_api_broadcast_flags(struct port_extctx *ctxp) {
#if CH_CFG_USE_EVENTS == TRUE
sb_class_t *sbcp = (sb_class_t *)chThdGetSelfX()->ctx.syscall.p;
chEvtBroadcastFlags(&sbcp->es, (eventflags_t)ctxp->r0);
return SB_ERR_NOERROR;
#else
return SB_ERR_NOT_IMPLEMENTED;
#endif
}
/** @} */