From: Ben Gras <ben@minix3.org>
Date: Tue, 24 Mar 2009 16:08:10 +0000 (+0000)
Subject: don't execute hlt in real mode.
X-Git-Tag: v3.1.4~93
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/zlib_tech.html?a=commitdiff_plain;h=ec50fa00c7da2649be3600bb7476da6bd8385ce5;p=minix.git

don't execute hlt in real mode.
workaround for getting minix under qemu kvm.
Ameya, ape800 at few.vu.nl.
---

diff --git a/boot/boothead.s b/boot/boothead.s
index b79689c3b..5a3bf7d35 100755
--- a/boot/boothead.s
+++ b/boot/boothead.s
@@ -640,7 +640,7 @@ _getch:
 	test	ax, ax
 	jnz	gotch
 getch:
-	hlt			! Play dead until interrupted (see pause())
+!	hlt			! Play dead until interrupted (see pause())
 	movb	ah, #0x01	! Keyboard status
 	int	0x16
 	jz	0f		! Nothing typed
@@ -741,7 +741,7 @@ nulch:	ret
 !	power, or tells an x86 emulator that nothing is happening right now.
 .define _pause
 _pause:
-	hlt
+!	hlt
 	ret
 
 ! void set_mode(unsigned mode);