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/*
ChibiOS - Copyright (C) 2006..2018 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 chsmc.h
* @brief smc module macros and structures.
*
* @addtogroup SMC
* @{
*/
#ifndef CHSMC_H
#define CHSMC_H
#include "ch.h"
#include "ccportab.h"
/*===========================================================================*/
/* Module constants. */
/*===========================================================================*/
/*
* Service registry errors
*/
#define SMC_SVC_OK MSG_OK /* No error */
#define SMC_SVC_INTR (msg_t)-1 /* Service interrupted */
#define SMC_SVC_NOENT (msg_t)-2 /* No existent service */
#define SMC_SVC_INVALID (msg_t)-3 /* Invalid service parameter(s) */
#define SMC_SVC_BADH (msg_t)-4 /* Invalid service handle */
#define SMC_SVC_EXIST (msg_t)-5 /* Service already exists */
#define SMC_SVC_NHND (msg_t)-6 /* No more services */
/*
* Special service handles
*/
#define SMC_HND_TRAMP ((smc_service_t *)0) /* Trampoline service handle */
#define SMC_HND_DISCOVERY ((smc_service_t *)1) /* Discovery service handle */
#define SMC_HND_REENTER ((smc_service_t *)2) /* Reentering a service service handle */
/*
* Non secure memory address space
* (to be redefined in an other place. Makefile?)
*/
#define NSEC_IMAGE_START_ADDR ((uint8_t *)0x20000000)
#define NSEC_MEMORY_END ((uint8_t *)0x20100000)
/*
* Services table cardinality
*/
#define SMC_SVC_MAX_N 32
#define SMC_SVC_MAX_NAME_LEN 16
/*===========================================================================*/
/* Module pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Module data structures and types. */
/*===========================================================================*/
typedef uint8_t * smc_params_area_t;
typedef struct ch_smc_service {
thread_reference_t svct;
uint32_t register_order;
smc_params_area_t svc_data;
uint32_t svc_datalen;
char svc_name[SMC_SVC_MAX_NAME_LEN];
} smc_service_t;
/*===========================================================================*/
/* Module macros. */
/*===========================================================================*/
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
extern thread_reference_t _ns_thread;
void _ns_trampoline(uint8_t *addr);
void smcInit(void);
void smcWaitServicesStarted(uint32_t n_services);
smc_service_t *smcRegisterMeAsService(const char *svc_name);
msg_t smcServiceWaitRequest(smc_service_t *svcp, msg_t msg);
msg_t smcServiceWaitRequestS(smc_service_t *svcp);
#ifdef __cplusplus
}
#endif
/*===========================================================================*/
/* Module inline functions. */
/*===========================================================================*/
#endif /* CHSMC_H */
/** @} */
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