From c669ea1b0523f383cdf2a76dec9f16c7d32947a6 Mon Sep 17 00:00:00 2001
From: Marcus Brinkmann <marcus@gnu.org>
Date: Thu, 23 May 2002 01:54:57 +0000
Subject: 2002-05-23  Marcus Brinkmann  <marcus@gnu.org>

	* i386/i386at/model_dep.c: Include <kern/cpu_number.h> and
	<kern/assert.h>.
	(machine_idle): New function.
	* bogus/power_save.h (POWER_SAVE): Define to 1.
---
 ChangeLog               | 7 +++++++
 bogus/power_save.h      | 2 +-
 i386/i386at/model_dep.c | 9 +++++++++
 3 files changed, 17 insertions(+), 1 deletion(-)

diff --git a/ChangeLog b/ChangeLog
index 5d4a3a7..ae59608 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+2002-05-23  Marcus Brinkmann  <marcus@gnu.org>
+
+	* i386/i386at/model_dep.c: Include <kern/cpu_number.h> and
+	<kern/assert.h>.
+	(machine_idle): New function.
+	* bogus/power_save.h (POWER_SAVE): Define to 1.
+
 2002-05-22  Roland McGrath  <roland@frob.com>
 
 	* configure.in (VERSION): New substituted variable: set to 1.3 now.
diff --git a/bogus/power_save.h b/bogus/power_save.h
index 5591def..ee9a520 100644
--- a/bogus/power_save.h
+++ b/bogus/power_save.h
@@ -1 +1 @@
-#define POWER_SAVE 0
+#define POWER_SAVE 1
diff --git a/i386/i386at/model_dep.c b/i386/i386at/model_dep.c
index b3fca62..02e5b2e 100644
--- a/i386/i386at/model_dep.c
+++ b/i386/i386at/model_dep.c
@@ -42,6 +42,8 @@
 
 #include "vm_param.h"
 #include <kern/time_out.h>
+#include <kern/assert.h>
+#include <kern/cpu_number.h>
 #include <sys/time.h>
 #include <vm/vm_page.h>
 #include <i386/machspl.h>
@@ -156,6 +158,13 @@ void machine_init()
 	pmap_unmap_page_zero();
 }
 
+/* Conserve power on processor CPU.  */
+void machine_idle (int cpu)
+{
+  assert (cpu == cpu_number ());
+  asm volatile ("hlt" : : : "memory");
+}
+
 /*
  * Halt a cpu.
  */
-- 
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