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/****************************************************************************
* arch/mips/include/mips32/irq.h
*
* Copyright (C) 2011 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 NuttX 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_MIPS_INCLUDE_MIPS32_IRQ_H
#define __ARCH_MIPS_INCLUDE_MIPS32_IRQ_H
/****************************************************************************
* Included Files
****************************************************************************/
#include <arch/types.h>
/****************************************************************************
* Definitions
****************************************************************************/
/* Lots of missing logic here */
#define XCPTCONTEXT_REGS 1
/****************************************************************************
* Public Types
****************************************************************************/
#ifndef __ASSEMBLY__
struct xcptcontext
{
/* The following function pointer is non-NULL if there are pending signals
* to be processed.
*/
#ifndef CONFIG_DISABLE_SIGNALS
void *sigdeliver; /* Actual type is sig_deliver_t */
#endif
/* Register save area */
uint32_t regs[XCPTCONTEXT_REGS];
};
/****************************************************************************
* Inline functions
****************************************************************************/
/****************************************************************************
* Public Variables
****************************************************************************/
/****************************************************************************
* Public Function Prototypes
****************************************************************************/
#ifdef __cplusplus
#define EXTERN extern "C"
extern "C" {
#else
#define EXTERN extern
#endif
/****************************************************************************
* Name: irqsave
*
* Description:
* Save the current interrupt state and disable interrupts.
*
* Input Parameters:
* None
*
* Returned Value:
* Interrupt state prior to disabling interrupts.
*
****************************************************************************/
EXTERN irqstate_t irqsave(void);
/****************************************************************************
* Name: irqrestore
*
* Description:
* Restore the previous interrupt state (i.e., the one previously returned
* by irqsave())
*
* Input Parameters:
* state - The interrupt state to be restored.
*
* Returned Value:
* None
*
****************************************************************************/
EXTERN void irqrestore(irqstate_t irqtate);
#undef EXTERN
#ifdef __cplusplus
}
#endif
#endif /* __ASSEMBLY */
#endif /* __ARCH_MIPS_INCLUDE_MIPS32_IRQ_H */
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