| Server IP : 79.136.114.73 / Your IP : 3.23.59.191 Web Server : Apache/2.4.7 (Ubuntu) PHP/5.5.9-1ubuntu4.29 OpenSSL/1.0.1f System : Linux b8009 3.13.0-170-generic #220-Ubuntu SMP Thu May 9 12:40:49 UTC 2019 x86_64 User : www-data ( 33) PHP Version : 5.5.9-1ubuntu4.29 Disable Function : pcntl_alarm,pcntl_fork,pcntl_waitpid,pcntl_wait,pcntl_wifexited,pcntl_wifstopped,pcntl_wifsignaled,pcntl_wexitstatus,pcntl_wtermsig,pcntl_wstopsig,pcntl_signal,pcntl_signal_dispatch,pcntl_get_last_error,pcntl_strerror,pcntl_sigprocmask,pcntl_sigwaitinfo,pcntl_sigtimedwait,pcntl_exec,pcntl_getpriority,pcntl_setpriority, MySQL : ON | cURL : ON | WGET : ON | Perl : ON | Python : ON | Sudo : ON | Pkexec : ON Directory : /usr/src/linux-headers-3.13.0-49/arch/x86/include/asm/ |
Upload File : |
#ifndef _ASM_X86_I8259_H
#define _ASM_X86_I8259_H
#include <linux/delay.h>
extern unsigned int cached_irq_mask;
#define __byte(x, y) (((unsigned char *)&(y))[x])
#define cached_master_mask (__byte(0, cached_irq_mask))
#define cached_slave_mask (__byte(1, cached_irq_mask))
/* i8259A PIC registers */
#define PIC_MASTER_CMD 0x20
#define PIC_MASTER_IMR 0x21
#define PIC_MASTER_ISR PIC_MASTER_CMD
#define PIC_MASTER_POLL PIC_MASTER_ISR
#define PIC_MASTER_OCW3 PIC_MASTER_ISR
#define PIC_SLAVE_CMD 0xa0
#define PIC_SLAVE_IMR 0xa1
/* i8259A PIC related value */
#define PIC_CASCADE_IR 2
#define MASTER_ICW4_DEFAULT 0x01
#define SLAVE_ICW4_DEFAULT 0x01
#define PIC_ICW4_AEOI 2
extern raw_spinlock_t i8259A_lock;
/* the PIC may need a careful delay on some platforms, hence specific calls */
static inline unsigned char inb_pic(unsigned int port)
{
unsigned char value = inb(port);
/*
* delay for some accesses to PIC on motherboard or in chipset
* must be at least one microsecond, so be safe here:
*/
udelay(2);
return value;
}
static inline void outb_pic(unsigned char value, unsigned int port)
{
outb(value, port);
/*
* delay for some accesses to PIC on motherboard or in chipset
* must be at least one microsecond, so be safe here:
*/
udelay(2);
}
extern struct irq_chip i8259A_chip;
struct legacy_pic {
int nr_legacy_irqs;
struct irq_chip *chip;
void (*mask)(unsigned int irq);
void (*unmask)(unsigned int irq);
void (*mask_all)(void);
void (*restore_mask)(void);
void (*init)(int auto_eoi);
int (*irq_pending)(unsigned int irq);
void (*make_irq)(unsigned int irq);
};
extern struct legacy_pic *legacy_pic;
extern struct legacy_pic null_legacy_pic;
#endif /* _ASM_X86_I8259_H */