shithub: riscv

ref: 5b4882a669f0c07881989f1d35b452cebf3817e2
dir: /rc/bin/dmaon/

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#!/bin/rc
# dmaon - turn on ide dma, if possible
rfork e
for (ctl in /dev/sd[C-H]?/ctl)
	if (test -e $ctl && grep -s '^config .* dma ' $ctl &&
	    ! grep -s '^config (848A|.* dma 00000000 )' $ctl)
		echo 'dma on' >$ctl