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Add isa_dmaabort().

This commit is contained in:
mycroft 1994-03-10 18:14:32 +00:00
parent 2ed7077300
commit 095308adeb
2 changed files with 40 additions and 2 deletions
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21
sys/arch/i386/isa/isa.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)isa.c 7.2 (Berkeley) 5/13/91
* $Id: isa.c,v 1.42 1994/03/09 07:58:41 mycroft Exp $
* $Id: isa.c,v 1.43 1994/03/10 18:14:32 mycroft Exp $
*/
/*
@ -420,6 +420,25 @@ isa_dmastart(flags, addr, nbytes, chan)
}
}
void
isa_dmaabort(chan)
int chan;
{
#ifdef DIAGNOSTIC
if (chan < 0 || chan > 7)
panic("isa_dmadone: impossible request");
#endif
bounced[chan] = 0;
/* mask channel */
if ((chan & 4) == 0)
outb(DMA1_SMSK, DMA37SM_SET | chan);
else
outb(DMA2_SMSK, DMA37SM_SET | (chan & 3));
}
void
isa_dmadone(flags, addr, nbytes, chan)
int flags;

21
sys/dev/isa/isa.c
View File

@ -35,7 +35,7 @@
* SUCH DAMAGE.
*
* from: @(#)isa.c 7.2 (Berkeley) 5/13/91
* $Id: isa.c,v 1.42 1994/03/09 07:58:41 mycroft Exp $
* $Id: isa.c,v 1.43 1994/03/10 18:14:32 mycroft Exp $
*/
/*
@ -420,6 +420,25 @@ isa_dmastart(flags, addr, nbytes, chan)
}
}
void
isa_dmaabort(chan)
int chan;
{
#ifdef DIAGNOSTIC
if (chan < 0 || chan > 7)
panic("isa_dmadone: impossible request");
#endif
bounced[chan] = 0;
/* mask channel */
if ((chan & 4) == 0)
outb(DMA1_SMSK, DMA37SM_SET | chan);
else
outb(DMA2_SMSK, DMA37SM_SET | (chan & 3));
}
void
isa_dmadone(flags, addr, nbytes, chan)
int flags;