38f5e1bb8c
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@3 42af7a65-404d-4744-a932-0658087f49c3
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/************************************************************
|
|
* irq.h
|
|
*
|
|
* Copyright (C) 2007 Gregory Nutt. All rights reserved.
|
|
* Author: Gregory Nutt <spudmonkey@racsa.co.cr>
|
|
*
|
|
* 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. Neither the name Gregory Nutt nor the names of its contributors may be
|
|
* used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "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
|
|
* COPYRIGHT OWNER OR CONTRIBUTORS 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 should never be included directed but, rather,
|
|
* only indirectly through nuttx/irq.h
|
|
*/
|
|
|
|
#ifndef __ARCH_IRQ_H
|
|
#define __ARCH_IRQ_H
|
|
|
|
/************************************************************
|
|
* Included Files
|
|
************************************************************/
|
|
|
|
/************************************************************
|
|
* Definitions
|
|
************************************************************/
|
|
|
|
#define NR_IRQS 0
|
|
|
|
/************************************************************
|
|
* Public Types
|
|
************************************************************/
|
|
|
|
/* This struct defines the way the registers are stored */
|
|
|
|
#ifndef __ASSEMBLY__
|
|
struct xcptcontext
|
|
{
|
|
void *sigdeliver; /* Actual type is sig_deliver_t */
|
|
|
|
/* Storage order: %ebx, $esi, %edi, %ebp, sp, and return PC */
|
|
|
|
int regs[6];
|
|
};
|
|
#endif
|
|
|
|
/************************************************************
|
|
* Inline functions
|
|
************************************************************/
|
|
|
|
#ifndef __ASSEMBLY__
|
|
static inline uint32 irqsave(void)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
static inline void irqrestore(uint32 flags)
|
|
{
|
|
}
|
|
#endif
|
|
|
|
/************************************************************
|
|
* Public Variables
|
|
************************************************************/
|
|
|
|
/************************************************************
|
|
* Public Function Prototypes
|
|
************************************************************/
|
|
|
|
#ifdef __cplusplus
|
|
#define EXTERN extern "C"
|
|
extern "C" {
|
|
#else
|
|
#define EXTERN extern
|
|
#endif
|
|
|
|
#undef EXTERN
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* __ARCH_IRQ_H */
|
|
|