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minor adjustment for compiling with IBM_L40

This commit is contained in:
jdolecek 2000-05-11 16:11:54 +00:00
parent 98beeaa61d
commit 6c1643be43
1 changed files with 5 additions and 3 deletions
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8
sys/arch/i386/stand/lib/gatea20.c
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@ -1,4 +1,4 @@
/* $NetBSD: gatea20.c,v 1.2 1997/10/29 00:32:49 fvdl Exp $ */
/* $NetBSD: gatea20.c,v 1.3 2000/05/11 16:11:54 jdolecek Exp $ */
/* extracted from freebsd:sys/i386/boot/biosboot/io.c */
@ -27,13 +27,15 @@
/*
* Gate A20 for high memory
*/
#ifndef IBM_L40
static unsigned char x_20 = KB_A20;
#endif
void gateA20()
{
__asm("pushfl ; cli");
#ifdef IBM_L40
outb(0x92, 0x2);
#else IBM_L40
#else /* !IBM_L40 */
while (inb(K_STATUS) & K_IBUF_FUL);
while (inb(K_STATUS) & K_OBUF_FUL)
(void)inb(K_RDWR);
@ -44,6 +46,6 @@ void gateA20()
outb(K_RDWR, x_20);
delay(100);
while (inb(K_STATUS) & K_IBUF_FUL);
#endif IBM_L40
#endif /* IBM_L40 */
__asm("popfl");
}