ue_int.s,v

来自「TCP-IP红宝书源代码」· S,V 代码 · 共 113 行

head	1.4;
access;
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	dls:1.4; strict;
comment	@# @;


1.4
date	97.09.21.19.26.10;	author dls;	state Dist;
branches;
next	1.3;

1.3
date	94.08.15.15.28.24;	author dls;	state Old;
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next	1.2;

1.2
date	94.08.15.03.23.59;	author dls;	state Old;
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next	1.1;

1.1
date	94.08.04.20.19.17;	author dls;	state Orig;
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next	;


desc
@@


1.4
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@pre-3e code
@
text
@/* ue_int.s - _ue_int */

#include <icu.s>

		.text
		.globl	_ue_int
_ue_int:
		cli
		pushal

		movb	$EOI,%al	/* re-enable the device */
		outb	%al,$OCW1_2

		call	_ue_intr

		popal
		sti
		iret
@


1.3
log
@this calls disable/restore, but stacks up on interrupts after
the restore, because it does an sti. changing disable/restore to
not mess with the IE bit.
@
text
@d8 1
a8 8
		pushl	%ebp
		movl	%esp,%ebp
		subl	$4,%esp

		leal	-4(%ebp),%eax
		pushl	%eax
		call	_disable

d11 1
a11 1
		movb	$EOI,%al
d17 1
a17 6

		call	_restore	/* arg still on stack from disable */
		addl	$4,%esp

		movl	%ebp,%esp
		popl	%ebp
@


1.2
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@*** empty log message ***
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text
@d8 8
a15 1
		cli
d17 1
d20 1
d22 1
d24 6
@


1.1
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@Initial revision
@
text
@d8 1
@