Skip site navigation (1)Skip section navigation (2) 
Date:      Tue, 15 Mar 2011 06:07:02 +0000 (UTC)
From:      Marcel Moolenaar <marcel@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-projects@freebsd.org
Subject:   svn commit: r219658 - projects/altix/sys/ia64/ia64
Message-ID:  <201103150607.p2F672xq023335@svn.freebsd.org>
next in thread | raw e-mail | index | archive | help 
Author: marcel
Date: Tue Mar 15 06:07:02 2011
New Revision: 219658
URL: http://svn.freebsd.org/changeset/base/219658

Log:
  Re-order the TRs so that there're less gaps. This could have a performance
  impact.

Modified:
  projects/altix/sys/ia64/ia64/machdep.c

Modified: projects/altix/sys/ia64/ia64/machdep.c
==============================================================================
--- projects/altix/sys/ia64/ia64/machdep.c	Tue Mar 15 06:04:13 2011	(r219657)
+++ projects/altix/sys/ia64/ia64/machdep.c	Tue Mar 15 06:07:02 2011	(r219658)
@@ -636,7 +636,7 @@ map_vhpt(uintptr_t vhpt)
 	ia64_set_ifa(vhpt);
 	ia64_set_itir(pmap_vhpt_log2size << 2);
 	ia64_srlz_d();
-	__asm __volatile("itr.d dtr[%0]=%1" :: "r"(2), "r"(pte));
+	__asm __volatile("itr.d dtr[%0]=%1" :: "r"(4), "r"(pte));
 	__asm __volatile("mov   psr.l=%0" :: "r" (psr));
 	ia64_srlz_i();
 }
@@ -674,9 +674,9 @@ map_pal_code(void)
 	ia64_set_ifa(va);
 	ia64_set_itir(shft << 2);
 	ia64_srlz_d();
-	__asm __volatile("itr.d	dtr[%0]=%1" :: "r"(3), "r"(pte));
+	__asm __volatile("itr.d	dtr[%0]=%1" :: "r"(2), "r"(pte));
 	ia64_srlz_d();
-	__asm __volatile("itr.i	itr[%0]=%1" :: "r"(3), "r"(pte));
+	__asm __volatile("itr.i	itr[%0]=%1" :: "r"(2), "r"(pte));
 	__asm __volatile("mov	psr.l=%0" :: "r" (psr));
 	ia64_srlz_i();
 }
@@ -700,9 +700,9 @@ map_gateway_page(void)
 	ia64_set_ifa(VM_MAXUSER_ADDRESS);
 	ia64_set_itir(PAGE_SHIFT << 2);
 	ia64_srlz_d();
-	__asm __volatile("itr.d	dtr[%0]=%1" :: "r"(4), "r"(pte));
+	__asm __volatile("itr.d	dtr[%0]=%1" :: "r"(3), "r"(pte));
 	ia64_srlz_d();
-	__asm __volatile("itr.i	itr[%0]=%1" :: "r"(4), "r"(pte));
+	__asm __volatile("itr.i	itr[%0]=%1" :: "r"(3), "r"(pte));
 	__asm __volatile("mov	psr.l=%0" :: "r" (psr));
 	ia64_srlz_i();

Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201103150607.p2F672xq023335>