ev64120int.h

内核linux2.4.20,可跟rtlinux3.2打补丁 组成实时linux系统,编译内核

#ifndef _ASM_PMC_CP7000INT_H
#define _ASM_PMC_CP7000INT_H

#define INT_CAUSE_MAIN 0
#define INT_CAUSE_HIGH 1

#define MAX_CAUSE_REGS 4
#define MAX_CAUSE_REG_WIDTH 32

void hook_irq_handler (int int_cause , int bit_num , void *isr_ptr);
int disable_galileo_irq (int int_cause , int bit_num);
int enable_galileo_irq (int int_cause , int bit_num);

extern struct tq_struct irq_handlers[MAX_CAUSE_REGS][MAX_CAUSE_REG_WIDTH];

/*
 * PCI interrupts will come in on either the INTA or INTD interrups lines,
 * which are mapped to the #2 and #5 interrupt pins of the MIPS.  On our
 * boards, they all either come in on IntD or they all come in on IntA, they
 * aren't mixed. There can be numerous PCI interrupts, so we keep a list of the
 * "requested" interrupt numbers and go through the list whenever we get an
 * IntA/D.
 *
 * All PCI interrupts have numbers >= 20 by arbitrary convention.  Any
 * interrupt < 8 is an interrupt that is maskable on MIPS.
 */

#define TIMER	4
#define INTA	2
#define INTD	5

#endif /* _ASM_PMC_CP7000INT_H */