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/*
* Copyright (c) 2011 Aeroflex Gaisler
*
* BSD license:
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#ifndef _LEON_CATCHIRQ_HANDLER_H_
#define _LEON_CATCHIRQ_HANDLER_H_
#include <asm-leon/leon.h>
#include <asm-leon/queue.h>
/*#include <sys/fsu_pthread_queue.h>*/
#include <asm-leon/leoncompat.h>
#include <asm-leon/leonstack.h>
#ifndef __ASSEMBLER__
struct pt_regs;
typedef int (*irqhandler) (int, void *, struct leonbare_pt_regs *);
struct irqaction
{
irqhandler handler;
unsigned long flags;
void *dev_id;
struct irqaction *next;
};
#define INIT_IRQACTION { 0,0,0,0 }
struct irqmp_type
{
int *addr;
int eirq;
};
extern void chained_catch_interrupt (int irq, struct irqaction *a);
extern int catch_interrupt (int func, int irq);
typedef int (*schedulehandler) (struct leonbare_pt_regs *);
extern schedulehandler schedule_callback;
typedef int (*tickerhandler) (struct leonbare_pt_regs *);
extern tickerhandler ticker_callback;
extern int leonbare_hz;
extern int nestcount;
extern int no_inirq_check;
extern unsigned long force_noalarm;
extern void (*handler_irq_pre) (void);
extern void (*handler_irq_post) (void);
extern void leonbare_enable_traps (unsigned long old_flags);
extern unsigned long leonbare_disable_traps ();
extern void leonbare_flush_windows ();
static inline void
leonbare_enable_irq (int irq)
{
unsigned int old, irqmask = 1 << irq;
old = leonbare_disable_traps ();
//---------------------
switch (LEONCOMPAT_VERSION)
{
case 3:
default:
LEON3_IrqCtrl_Regs->mask[0] = LEON3_IrqCtrl_Regs->mask[0] | irqmask;
break;
}
//---------------------
leonbare_enable_traps (old);
}
typedef int (*pendinghandler) (void *);
struct pendingaction
{
TAILQ_ENTRY (pendingaction) next;
pendinghandler handler;
void *arg;
};
#endif
#endif
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