px4-firmware/nuttx/arch/rgmp/include/irq.h

77 lines
2.5 KiB
C

/****************************************************************************
* arch/rgmp/include/irq.h
*
* Copyright (C) 2011 Yu Qiang. All rights reserved.
* Author: Yu Qiang <yuq825@gmail.com>
*
* This file is a part of NuttX:
*
* Copyright (C) 2011 Gregory Nutt. 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. 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.
*
****************************************************************************/
#ifndef __ARCH_RGMP_INCLUDE_IRQ_H
#define __ARCH_RGMP_INCLUDE_IRQ_H
#define NR_IRQS 0
#ifndef __ASSEMBLY__
#include <rgmp/spinlock.h>
#include <arch/types.h>
#include <rgmp/trap.h>
struct xcptcontext {
struct Trapframe *tf;
// for signal using
unsigned int save_eip;
unsigned int save_eflags;
void *sigdeliver;
};
void push_xcptcontext(struct xcptcontext *xcp);
void pop_xcptcontext(struct xcptcontext *xcp);
extern int nest_irq;
static inline irqstate_t irqsave(void)
{
return pushcli();
}
static inline void irqrestore(irqstate_t flags)
{
popcli(flags);
}
#endif /* !__ASSEMBLY__ */
#endif