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[src/trunk]: src/sys/arch Detect PAT on the boot processor before cpu0 attach...
details: https://anonhg.NetBSD.org/src/rev/17f61408f269
branches: trunk
changeset: 1009618:17f61408f269
user: jmcneill <jmcneill%NetBSD.org@localhost>
date: Tue Apr 28 21:35:35 2020 +0000
description:
Detect PAT on the boot processor before cpu0 attaches so the early genfb
attach code can map the framebuffer with write combining.
diffstat:
sys/arch/amd64/amd64/machdep.c | 6 ++++--
sys/arch/x86/x86/pmap.c | 5 ++---
2 files changed, 6 insertions(+), 5 deletions(-)
diffs (53 lines):
diff -r 12f73ee39a0a -r 17f61408f269 sys/arch/amd64/amd64/machdep.c
--- a/sys/arch/amd64/amd64/machdep.c Tue Apr 28 19:45:58 2020 +0000
+++ b/sys/arch/amd64/amd64/machdep.c Tue Apr 28 21:35:35 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: machdep.c,v 1.348 2020/04/25 15:26:16 bouyer Exp $ */
+/* $NetBSD: machdep.c,v 1.349 2020/04/28 21:35:35 jmcneill Exp $ */
/*
* Copyright (c) 1996, 1997, 1998, 2000, 2006, 2007, 2008, 2011
@@ -110,7 +110,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.348 2020/04/25 15:26:16 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: machdep.c,v 1.349 2020/04/28 21:35:35 jmcneill Exp $");
#include "opt_modular.h"
#include "opt_user_ldt.h"
@@ -1704,6 +1704,8 @@
x86_bus_space_init();
#endif
+ pat_init(&cpu_info_primary);
+
consinit(); /* XXX SHOULD NOT BE DONE HERE */
/*
diff -r 12f73ee39a0a -r 17f61408f269 sys/arch/x86/x86/pmap.c
--- a/sys/arch/x86/x86/pmap.c Tue Apr 28 19:45:58 2020 +0000
+++ b/sys/arch/x86/x86/pmap.c Tue Apr 28 21:35:35 2020 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: pmap.c,v 1.383 2020/04/25 15:26:18 bouyer Exp $ */
+/* $NetBSD: pmap.c,v 1.384 2020/04/28 21:35:35 jmcneill Exp $ */
/*
* Copyright (c) 2008, 2010, 2016, 2017, 2019, 2020 The NetBSD Foundation, Inc.
@@ -130,7 +130,7 @@
*/
#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.383 2020/04/25 15:26:18 bouyer Exp $");
+__KERNEL_RCSID(0, "$NetBSD: pmap.c,v 1.384 2020/04/28 21:35:35 jmcneill Exp $");
#include "opt_user_ldt.h"
#include "opt_lockdebug.h"
@@ -923,7 +923,6 @@
wrmsr(MSR_CR_PAT, pat);
cpu_pat_enabled = true;
- aprint_debug_dev(ci->ci_dev, "PAT enabled\n");
}
static pt_entry_t
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