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Return correct values from edintr().

This commit is contained in:
mycroft 1994-04-08 17:16:39 +00:00
parent e81348df5f
commit 0ae5489036
2 changed files with 20 additions and 4 deletions
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12
sys/arch/i386/isa/if_ed.c
View File

@ -13,7 +13,7 @@
* Currently supports the Western Digital/SMC 8003 and 8013 series, the 3Com
* 3c503, the NE1000 and NE2000, and a variety of similar clones.
*
* $Id: if_ed.c,v 1.40 1994/04/07 06:50:41 mycroft Exp $
* $Id: if_ed.c,v 1.41 1994/04/08 17:16:39 mycroft Exp $
*/
#include "bpfilter.h"
@ -1574,8 +1574,12 @@ edintr(sc)
/* Set NIC to page 0 registers. */
outb(sc->nic_addr + ED_P0_CR, ED_CR_STA | sc->ed_cr_rd2);
isr = inb(sc->nic_addr + ED_P0_ISR);
if (!isr)
return 0;
/* Loop until there are no more new interrupts. */
while (isr = inb(sc->nic_addr + ED_P0_ISR)) {
for (;;) {
/*
* Reset all the bits that we are 'acknowledging' by writing a
* '1' to each bit position that was set.
@ -1741,6 +1745,10 @@ edintr(sc)
(void) inb(sc->nic_addr + ED_P0_CNTR1);
(void) inb(sc->nic_addr + ED_P0_CNTR2);
}
isr = inb(sc->nic_addr + ED_P0_ISR);
if (!isr)
return 1;
}
}

12
sys/dev/isa/if_ed.c
View File

@ -13,7 +13,7 @@
* Currently supports the Western Digital/SMC 8003 and 8013 series, the 3Com
* 3c503, the NE1000 and NE2000, and a variety of similar clones.
*
* $Id: if_ed.c,v 1.40 1994/04/07 06:50:41 mycroft Exp $
* $Id: if_ed.c,v 1.41 1994/04/08 17:16:39 mycroft Exp $
*/
#include "bpfilter.h"
@ -1574,8 +1574,12 @@ edintr(sc)
/* Set NIC to page 0 registers. */
outb(sc->nic_addr + ED_P0_CR, ED_CR_STA | sc->ed_cr_rd2);
isr = inb(sc->nic_addr + ED_P0_ISR);
if (!isr)
return 0;
/* Loop until there are no more new interrupts. */
while (isr = inb(sc->nic_addr + ED_P0_ISR)) {
for (;;) {
/*
* Reset all the bits that we are 'acknowledging' by writing a
* '1' to each bit position that was set.
@ -1741,6 +1745,10 @@ edintr(sc)
(void) inb(sc->nic_addr + ED_P0_CNTR1);
(void) inb(sc->nic_addr + ED_P0_CNTR2);
}
isr = inb(sc->nic_addr + ED_P0_ISR);
if (!isr)
return 1;
}
}