Actions
Bug #57
closed/usr/src/sys/boot/i386/cdboot/cdboot.S
Status:
Closed
Priority:
Normal
Assignee:
-
Category:
-
Target version:
-
Start date:
Due date:
% Done:
0%
Estimated time:
Description
Hello,
When I viewed /usr/src/sys/boot/i386/cdboot/cdboot.S, I found a minor bug
in the subroutine twiddle. XLAT instruction requires that BX register
have a table address, but the code fails to load the address:
Index: cdboot.S
===================================================================
RCS file: /dcvs/src/sys/boot/i386/cdboot/cdboot.S,v
retrieving revision 1.6
diff u -r1.6 cdboot.S cdboot.S 19 Jul 2004 23:30:36
--0000 1.6 mov twiddle_chars,%bx # Address table
++ cdboot.S 13 Jan 2006 13:32:19 -0000@ -448,7 +448,7
@
twiddle: push %ax # Save
push %bx # Save
mov twiddle_index,%al # Load index
mov $twiddle_chars,%bx # Address table
inc %al # Next
and $3,%al # char
mov %al,twiddle_index # Save index for next call
Regards,
Yuichiro Goto
Actions