tag	line	file	source code
DMA1_MASK_REG	131	include/asm-i386/dma.h	dma_outb(dmanr,  DMA1_MASK_REG);
DMA1_MASK_REG	139	include/asm-i386/dma.h	dma_outb(dmanr | 4,  DMA1_MASK_REG);