From owner-p4-projects@FreeBSD.ORG  Tue Feb 26 14:18:07 2008
Return-Path: <owner-p4-projects@FreeBSD.ORG>
Delivered-To: p4-projects@freebsd.org
Received: by hub.freebsd.org (Postfix, from userid 32767)
	id 705C71065725; Tue, 26 Feb 2008 14:18:07 +0000 (UTC)
Delivered-To: perforce@freebsd.org
Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34])
	by hub.freebsd.org (Postfix) with ESMTP id 299281065718
	for <perforce@freebsd.org>; Tue, 26 Feb 2008 14:18:06 +0000 (UTC)
	(envelope-from rrs@cisco.com)
Received: from repoman.freebsd.org (repoman.freebsd.org
	[IPv6:2001:4f8:fff6::29])
	by mx1.freebsd.org (Postfix) with ESMTP id 4D6FD13C467
	for <perforce@freebsd.org>; Tue, 26 Feb 2008 14:18:06 +0000 (UTC)
	(envelope-from rrs@cisco.com)
Received: from repoman.freebsd.org (localhost [127.0.0.1])
	by repoman.freebsd.org (8.14.1/8.14.1) with ESMTP id m1QEI6kv046366
	for <perforce@freebsd.org>; Tue, 26 Feb 2008 14:18:06 GMT
	(envelope-from rrs@cisco.com)
Received: (from perforce@localhost)
	by repoman.freebsd.org (8.14.1/8.14.1/Submit) id m1QEI5nD046363
	for perforce@freebsd.org; Tue, 26 Feb 2008 14:18:05 GMT
	(envelope-from rrs@cisco.com)
Date: Tue, 26 Feb 2008 14:18:05 GMT
Message-Id: <200802261418.m1QEI5nD046363@repoman.freebsd.org>
X-Authentication-Warning: repoman.freebsd.org: perforce set sender to
	rrs@cisco.com using -f
From: "Randall R. Stewart" <rrs@FreeBSD.org>
To: Perforce Change Reviews <perforce@freebsd.org>
Cc: 
Subject: PERFORCE change 136245 for review
X-BeenThere: p4-projects@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: p4 projects tree changes <p4-projects.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/p4-projects>
List-Post: <mailto:p4-projects@freebsd.org>
List-Help: <mailto:p4-projects-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/p4-projects>,
	<mailto:p4-projects-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Tue, 26 Feb 2008 14:18:08 -0000

http://perforce.freebsd.org/chv.cgi?CH=136245

Change 136245 by rrs@rrs-mips2-jnpr on 2008/02/26 14:17:52

	New do_ast

Affected files ...

.. //depot/projects/mips2-jnpr/src/sys/mips/include/asm.h#13 edit

Differences ...

==== //depot/projects/mips2-jnpr/src/sys/mips/include/asm.h#13 (text+ko) ====

@@ -306,21 +306,30 @@
 /*
  * Call ast if required
  */
-#define DO_AST							\
-	GET_CPU_PCPU(a0)					\
-	lw	a0, PC_CURTHREAD(a0);				\
-	lw	t0, TD_FLAGS(a0);			        \
-	and	t0, t0, (TDF_ASTPENDING|TDF_NEEDRESCHED);	\
-	beq	t0, zero, 27f;					\
-	nop;							\
-	lw	a0, TD_FRAME(a0);				\
-	lw	t0, TF_REG_SR(a0);				\
-	and	t0, t0, SR_KSU_USER;				\
-	beq	t0, zero, 27f;					\
-	nop;							\
-	jal	ast;						\
-	nop;							\
-27:					
+#define DO_AST				             \
+44:				                     \
+        GET_CPU_PCPU(a1)                            ;\
+	lw	a1, PC_CURPCB(a1)                   ;\
+	la	s0, _C_LABEL(disableintr)           ;\
+	jalr	s0                                  ;\
+	nop                                         ;\
+	GET_CPU_PCPU(s1)                            ;\
+	lw	s3, PC_CURPCB(s1)                   ;\
+	lw	s1, PC_CURTHREAD(s1)                ;\
+	lw	s2, TD_FLAGS(s1)                    ;\
+	li	s0, TDF_ASTPENDING | TDF_NEEDRESCHED;\
+	and	s2, s0                              ;\
+	la	s0, _C_LABEL(enableintr)            ;\
+	jalr	s0                                  ;\
+	nop                                         ;\
+	beq	s2, zero, 4f                        ;\
+	nop                                         ;\
+	la	s0, _C_LABEL(ast)                   ;\
+	jalr	s0                                  ;\
+	addu	a0, s3, U_PCB_REGS                  ;\
+	j 44b			                    ;\
+4:
+
 
 /*
  * XXX retain dialects XXX