From 81d435b49155ca976d98327b5efec5b257cfdf0b Mon Sep 17 00:00:00 2001
From: pk <pk@NetBSD.org>
Date: Fri, 18 Sep 1998 08:07:08 +0000
Subject: [PATCH] sigh.. put back non-garbage collectible `que' functions.

---
 sys/arch/sparc/sparc/locore.s | 27 ++++++++++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/sys/arch/sparc/sparc/locore.s b/sys/arch/sparc/sparc/locore.s
index 4f3a934d3495..28ffa9daa083 100644
--- a/sys/arch/sparc/sparc/locore.s
+++ b/sys/arch/sparc/sparc/locore.s
@@ -1,4 +1,4 @@
-/*	$NetBSD: locore.s,v 1.92 1998/09/13 11:12:36 pk Exp $	*/
+/*	$NetBSD: locore.s,v 1.93 1998/09/18 08:07:08 pk Exp $	*/
 
 /*
  * Copyright (c) 1996 Paul Kranenburg
@@ -5023,6 +5023,31 @@ ENTRY(fkbyte)
 	 st	%g0, [%o2 + PCB_ONFAULT]! but first clear onfault
 
 
+/*
+ * Insert entry into doubly-linked queue.
+ * We could just do this in C, but gcc does not do leaves well (yet).
+ */
+ENTRY(_insque)
+	! %o0 = e = what to insert; %o1 = after = entry to insert after
+	st	%o1, [%o0 + 4]		! e->prev = after;
+	ld	[%o1], %o2		! tmp = after->next;
+	st	%o2, [%o0]		! e->next = tmp;
+	st	%o0, [%o1]		! after->next = e;
+	retl
+	st	%o0, [%o2 + 4]		! tmp->prev = e;
+
+
+/*
+ * Remove entry from doubly-linked queue.
+ */
+ENTRY(_remque)
+	! %o0 = e = what to remove
+	ld	[%o0], %o1		! n = e->next;
+	ld	[%o0 + 4], %o2		! p = e->prev;
+	st	%o2, [%o1 + 4]		! n->prev = p;
+	retl
+	st	%o1, [%o2]		! p->next = n;
+
 /*
  * copywords(src, dst, nbytes)
  *