Searched refs:IMR_REG (Results 1 - 1 of 1) sorted by relevance

/opensolaris-onvv-gate/usr/src/grub/grub-0.97/netboot/
H A Dpic8259.h47 #define IMR_REG(x) ( (x) < IRQ_PIC_CUTOFF ? PIC1_IMR : PIC2_IMR ) macro
49 #define irq_enabled(x) ( ( inb ( IMR_REG(x) ) & IMR_BIT(x) ) == 0 )
50 #define enable_irq(x) outb ( inb( IMR_REG(x) ) & ~IMR_BIT(x), IMR_REG(x) )
51 #define disable_irq(x) outb ( inb( IMR_REG(x) ) | IMR_BIT(x), IMR_REG(x) )

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