52 lines
		
	
	
	
		
			955 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
		
		
			
		
	
	
			52 lines
		
	
	
	
		
			955 B
			
		
	
	
	
		
			C
		
	
	
	
	
	
|   | /*
 | ||
|  |  * Platform dependent support for HP simulator. | ||
|  |  * | ||
|  |  * Copyright (C) 1998-2001 Hewlett-Packard Co | ||
|  |  * Copyright (C) 1998-2001 David Mosberger-Tang <davidm@hpl.hp.com> | ||
|  |  */ | ||
|  | 
 | ||
|  | #include <linux/init.h>
 | ||
|  | #include <linux/kernel.h>
 | ||
|  | #include <linux/sched.h>
 | ||
|  | #include <linux/irq.h>
 | ||
|  | 
 | ||
|  | static unsigned int | ||
|  | hpsim_irq_startup (unsigned int irq) | ||
|  | { | ||
|  | 	return 0; | ||
|  | } | ||
|  | 
 | ||
|  | static void | ||
|  | hpsim_irq_noop (unsigned int irq) | ||
|  | { | ||
|  | } | ||
|  | 
 | ||
|  | static void | ||
|  | hpsim_set_affinity_noop (unsigned int a, cpumask_t b) | ||
|  | { | ||
|  | } | ||
|  | 
 | ||
|  | static struct hw_interrupt_type irq_type_hp_sim = { | ||
|  | 	.typename =	"hpsim", | ||
|  | 	.startup =	hpsim_irq_startup, | ||
|  | 	.shutdown =	hpsim_irq_noop, | ||
|  | 	.enable =	hpsim_irq_noop, | ||
|  | 	.disable =	hpsim_irq_noop, | ||
|  | 	.ack =		hpsim_irq_noop, | ||
|  | 	.end =		hpsim_irq_noop, | ||
|  | 	.set_affinity =	hpsim_set_affinity_noop, | ||
|  | }; | ||
|  | 
 | ||
|  | void __init | ||
|  | hpsim_irq_init (void) | ||
|  | { | ||
|  | 	irq_desc_t *idesc; | ||
|  | 	int i; | ||
|  | 
 | ||
|  | 	for (i = 0; i < NR_IRQS; ++i) { | ||
|  | 		idesc = irq_descp(i); | ||
|  | 		if (idesc->handler == &no_irq_type) | ||
|  | 			idesc->handler = &irq_type_hp_sim; | ||
|  | 	} | ||
|  | } |