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/*
* Copyright (c) 2001-2003 Swedish Institute of Computer Science.
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
* This file is system adaptation of the lwIP TCP/IP stack
* by Adam Dunkels <adam@sics.se> for RTEMS system.
*
* Author: Premysl Houdek <houdepre@fel.cvut.cz>
* Mentor: Pavel Pisa <pisa@cmp.felk.cvut.cz>
* Industrial Informatics Group, FEE, Czech Technical University in Prague
*
*/
/*
* mapping of lwIP system dependencies to RTEMS system services and types.
* DETAILS: ./lwip/doc/sys_arch.txt
*/
#ifndef __ARCH_SYS_ARCH_H__
#define __ARCH_SYS_ARCH_H__
#include <rtems/rtems/sem.h>
#include <rtems/rtems/intr.h>
#include <bsp/irq-generic.h>
#include "arch/eth_lwip_default.h"
/* Typedefs for the various port-specific types. */
#if defined(NO_SYS) && NO_SYS
#error "RTEMS SYS_ARCH cannot be compiled in NO_SYS variant"
#endif
#define sys_arch_printk printk
typedef struct {
rtems_id mailbox;
rtems_id sem;
} port_mailbox_t;
typedef struct {
rtems_id semaphore;
} port_sem_t;
typedef struct {
rtems_id mutex;
} port_mutex_t;
typedef port_mailbox_t sys_mbox_t;
typedef port_sem_t sys_sem_t;
typedef rtems_id sys_thread_t;
typedef port_mutex_t sys_mutex_t;
#ifdef __rtems__
#include <rtems/score/threaddispatch.h>
#ifdef RTEMS_SMP
typedef Per_CPU_Control *sys_prot_t;
#else
typedef rtems_interrupt_level sys_prot_t;
#endif
#else
typedef rtems_interrupt_level sys_prot_t;
#endif
void
sys_arch_delay(unsigned int x);
void
sys_sem_signal_from_ISR(sys_sem_t *sem);
typedef void sys_irqreturn_t;
#define SYS_IRQ_NONE ((void)0)
#define SYS_IRQ_HANDLED ((void)1)
#define SYS_IRQ_RETVAL(x) (IRQ_HANDLED)
typedef rtems_interrupt_handler sys_irq_handler_t;
#define SYS_IRQ_HANDLER_FNC(M_fnc_name) \
sys_irqreturn_t M_fnc_name(void *__irq_handler_context)
#define sys_irq_handler_get_context() (__irq_handler_context)
int
sys_request_irq(unsigned int irqnum, sys_irq_handler_t handler,
unsigned long flags, const char *name, void *context);
static inline void
sys_arch_mask_interrupt_source(unsigned int x)
{
bsp_interrupt_vector_disable(x);
}
static inline void
sys_arch_unmask_interrupt_source(unsigned int x)
{
bsp_interrupt_vector_enable(x);
}
#ifndef __rtems__
static inline sys_prot_t
sys_arch_protect(void)
{
sys_prot_t pval;
rtems_interrupt_disable(pval);
return pval;
}
static inline void
sys_arch_unprotect(sys_prot_t pval)
{
rtems_interrupt_enable(pval);
}
static inline void
sys_arch_data_sync_barier(void){
_ARM_Data_synchronization_barrier();
}
#else
sys_prot_t sys_arch_protect();
void sys_arch_unprotect(sys_prot_t pval);
#endif
#endif /* __ARCH_SYS_ARCH_H__ */
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