Symbol: IMR_BIT
usr/src/grub/grub-0.97/netboot/pic8259.h
49
#define irq_enabled(x) ( ( inb ( IMR_REG(x) ) & IMR_BIT(x) ) == 0 )
usr/src/grub/grub-0.97/netboot/pic8259.h
50
#define enable_irq(x) outb ( inb( IMR_REG(x) ) & ~IMR_BIT(x), IMR_REG(x) )
usr/src/grub/grub-0.97/netboot/pic8259.h
51
#define disable_irq(x) outb ( inb( IMR_REG(x) ) | IMR_BIT(x), IMR_REG(x) )