65 lines
		
	
	
		
			1.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			65 lines
		
	
	
		
			1.8 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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| 
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| 
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| #include <asm-leon/leonstack.h>
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| #include <asm-leon/irq.h>
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| #define NULL 0
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| 
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| TAILQ_HEAD (pending_queue, pendingaction) pending =
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| TAILQ_HEAD_INITIALIZER (pending);
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| 
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|      void add_pending (struct pendingaction *a)
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| {
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|   unsigned long old = leonbare_disable_traps ();
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|   TAILQ_INSERT_TAIL (&pending, a, next);
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|   leonbare_enable_traps (old);
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| }
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| 
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| struct pendingaction *
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| get_pending ()
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| {
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|   struct pendingaction *a = 0;
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|   unsigned long old = leonbare_disable_traps ();
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|   if (a = TAILQ_FIRST (&pending))
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|     {
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|       TAILQ_REMOVE (&pending, a, next);
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|     }
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|   leonbare_enable_traps (old);
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|   return a;
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| }
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| 
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| void
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| process_pending ()
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| {
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|   struct pendingaction *a;
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|   while (a = get_pending ())
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|     {
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|       if (a->handler)
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| 	{
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| 	  a->handler (a->arg);
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| 	}
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|     }
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| }
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