[parisc-linux] Progress

[John David Anglin]

> > > I also need to slow down the console messages.
> > 
> > edit arch/parisc/kernel/pdc_cons.c and put a __delay(N); in pdc_putc.  N is
> > approximately the number of CPU cycles you want to wait.  I suggest placing
> > it directly after the "case 'n':" as that gives you a per-line delay instead
> > of a per-character one.
> 
> I tried this and it didn't work.  It looks like __delay() is broken.  The
> ".balignl" is clearly bogus.  I think the "addib" tests need to bew looked
> at more closely.

__delay() in delay.h is ok except for ".balignl".  The .balignl inserts
a bunch of "ldi 1a,%r0" instructions which do nothing.  I just didn't specify
enough cycles before.

Dave
-- 
J. David Anglin                                  dave.anglin@nrc.ca
National Research Council of Canada              (613) 990-0752 (FAX: 952-6605)

--- delay.h.orig	Mon Oct 11 14:52:33 1999
+++ delay.h	Sun Nov 21 19:29:28 1999
@@ -11,8 +11,7 @@
 
 extern __inline__ void __delay(unsigned long loops) {
 	asm volatile(
-	"	.balignl	64,0x34000034
-		addib,UV,n      -1,%0,.
+	"	addib,UV,n      -1,%0,.
 		addib,NUV,n     -1,%0,.+8
 		nop"
 		: "=r" (loops) : "0" (loops));