From 871480933a1c28f8a9fed4c4d34d06c439a7a422 Mon Sep 17 00:00:00 2001
From: Srikant Patnaik
Date: Sun, 11 Jan 2015 12:28:04 +0530
Subject: Moved, renamed, and deleted files

The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
---
 arch/mn10300/kernel/profile.c | 51 +++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 arch/mn10300/kernel/profile.c

(limited to 'arch/mn10300/kernel/profile.c')

diff --git a/arch/mn10300/kernel/profile.c b/arch/mn10300/kernel/profile.c
new file mode 100644
index 00000000..4f342f75
--- /dev/null
+++ b/arch/mn10300/kernel/profile.c
@@ -0,0 +1,51 @@
+/* MN10300 Profiling setup
+ *
+ * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
+ * Written by David Howells (dhowells@redhat.com)
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public Licence
+ * as published by the Free Software Foundation; either version
+ * 2 of the Licence, or (at your option) any later version.
+ */
+
+/*
+ * initialise the profiling if enabled
+ * - using with gdbstub will give anomalous results
+ * - can't be used with gdbstub if running at IRQ priority 0
+ */
+static __init int profile_init(void)
+{
+	u16 tmp;
+
+	if (!prof_buffer)
+		return 0;
+
+	/* use timer 11 to drive the profiling interrupts */
+	set_intr_stub(EXCEP_IRQ_LEVEL0, profile_handler);
+
+	/* set IRQ priority at which to run */
+	set_intr_level(TM11IRQ, GxICR_LEVEL_0);
+
+	/* set up timer 11
+	 * - source: (IOCLK 33MHz)*2 = 66MHz
+	 * - frequency: (33330000*2) / 8 / 20625 = 202Hz
+	 */
+	TM11BR = 20625 - 1;
+	TM11MD = TM8MD_SRC_IOCLK_8;
+	TM11MD |= TM8MD_INIT_COUNTER;
+	TM11MD &= ~TM8MD_INIT_COUNTER;
+	TM11MD |= TM8MD_COUNT_ENABLE;
+
+	TM11ICR |= GxICR_ENABLE;
+	tmp = TM11ICR;
+
+	printk(KERN_INFO "Profiling initiated on timer 11, priority 0, %uHz\n",
+	       MN10300_IOCLK / 8 / (TM11BR + 1));
+	printk(KERN_INFO "Profile histogram stored %p-%p\n",
+	       prof_buffer, (u8 *)(prof_buffer + prof_len) - 1);
+
+	return 0;
+}
+
+__initcall(profile_init);
-- 
cgit