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Diffstat (limited to 'arch/blackfin/oprofile/common.c')
| -rw-r--r-- | arch/blackfin/oprofile/common.c | 168 |
1 files changed, 0 insertions, 168 deletions
diff --git a/arch/blackfin/oprofile/common.c b/arch/blackfin/oprofile/common.c deleted file mode 100644 index 0f6d303a889..00000000000 --- a/arch/blackfin/oprofile/common.c +++ /dev/null @@ -1,168 +0,0 @@ -/* - * File: arch/blackfin/oprofile/common.c - * Based on: arch/alpha/oprofile/common.c - * Author: Anton Blanchard <anton@au.ibm.com> - * - * Created: - * Description: - * - * Modified: - * Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM - * Copyright 2004-2006 Analog Devices Inc. - * - * Bugs: Enter bugs at http://blackfin.uclinux.org/ - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, see the file COPYING, or write - * to the Free Software Foundation, Inc., - * 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA - */ - -#include <linux/oprofile.h> -#include <linux/init.h> -#include <linux/smp.h> -#include <linux/errno.h> -#include <linux/mutex.h> -#include <linux/ptrace.h> -#include <linux/irq.h> -#include <linux/io.h> - -#include <asm/system.h> -#include <asm/blackfin.h> - -#include "op_blackfin.h" - -#define BFIN_533_ID 0xE5040003 -#define BFIN_537_ID 0xE5040002 - -static int pfmon_enabled; -static struct mutex pfmon_lock; - -struct op_bfin533_model *model; - -struct op_counter_config ctr[OP_MAX_COUNTER]; - -static int op_bfin_setup(void) -{ - int ret; - - /* Pre-compute the values to stuff in the hardware registers. */ - spin_lock(&oprofilefs_lock); - ret = model->reg_setup(ctr); - spin_unlock(&oprofilefs_lock); - - return ret; -} - -static void op_bfin_shutdown(void) -{ -#if 0 - /* what is the difference between shutdown and stop? */ -#endif -} - -static int op_bfin_start(void) -{ - int ret = -EBUSY; - - printk(KERN_INFO "KSDBG:in %s\n", __func__); - mutex_lock(&pfmon_lock); - if (!pfmon_enabled) { - ret = model->start(ctr); - pfmon_enabled = !ret; - } - mutex_unlock(&pfmon_lock); - - return ret; -} - -static void op_bfin_stop(void) -{ - mutex_lock(&pfmon_lock); - if (pfmon_enabled) { - model->stop(); - pfmon_enabled = 0; - } - mutex_unlock(&pfmon_lock); -} - -static int op_bfin_create_files(struct super_block *sb, struct dentry *root) -{ - int i; - - for (i = 0; i < model->num_counters; ++i) { - struct dentry *dir; - char buf[3]; - printk(KERN_INFO "Oprofile: creating files... \n"); - - snprintf(buf, sizeof buf, "%d", i); - dir = oprofilefs_mkdir(sb, root, buf); - - oprofilefs_create_ulong(sb, dir, "enabled", &ctr[i].enabled); - oprofilefs_create_ulong(sb, dir, "event", &ctr[i].event); - oprofilefs_create_ulong(sb, dir, "count", &ctr[i].count); - /* - * We dont support per counter user/kernel selection, but - * we leave the entries because userspace expects them - */ - oprofilefs_create_ulong(sb, dir, "kernel", &ctr[i].kernel); - oprofilefs_create_ulong(sb, dir, "user", &ctr[i].user); - oprofilefs_create_ulong(sb, dir, "unit_mask", - &ctr[i].unit_mask); - } - - return 0; -} -int __init oprofile_arch_init(struct oprofile_operations *ops) -{ -#ifdef CONFIG_HARDWARE_PM - unsigned int dspid; - - mutex_init(&pfmon_lock); - - dspid = bfin_read_DSPID(); - - printk(KERN_INFO "Oprofile got the cpu id is 0x%x. \n", dspid); - - switch (dspid) { - case BFIN_533_ID: - model = &op_model_bfin533; - model->num_counters = 2; - break; - case BFIN_537_ID: - model = &op_model_bfin533; - model->num_counters = 2; - break; - default: - return -ENODEV; - } - - ops->cpu_type = model->name; - ops->create_files = op_bfin_create_files; - ops->setup = op_bfin_setup; - ops->shutdown = op_bfin_shutdown; - ops->start = op_bfin_start; - ops->stop = op_bfin_stop; - - printk(KERN_INFO "oprofile: using %s performance monitoring.\n", - ops->cpu_type); - - return 0; -#else - return -1; -#endif -} - -void oprofile_arch_exit(void) -{ -} |