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