armv_chip_detect.c

来自「Centrality Atlas II development software」· C语言 代码 · 共 48 行

/*
 * $QNXLicenseC:
 * Copyright 2008, QNX Software Systems. 
 * 
 * Licensed under the Apache License, Version 2.0 (the "License"). You 
 * may not reproduce, modify or distribute this software except in 
 * compliance with the License. You may obtain a copy of the License 
 * at: http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" basis, 
 * WITHOUT WARRANTIES OF ANY KIND, either express or implied.
 *
 * This file may contain contributions from others, either as 
 * contributors under the License or as licensors under other terms.  
 * Please review this entire file for other proprietary rights or license 
 * notices, as well as the QNX Development Suite License Guide at 
 * http://licensing.qnx.com/license-guide/ for other information.
 * $
 */




#include "startup.h"

const struct armv_chip *
armv_chip_detect()
{
	const struct armv_chip	**cp;
	const struct armv_chip	*chip;
	unsigned				cpuid;

	/*
	 * Read CP15 ID register
	 */
	cpuid = arm_mmu_cpuid();

	for (cp = armv_list; chip = *cp; cp++) {
		if (chip->cpuid == (cpuid & 0xfff0)) {
			break;
		}
	}
	return chip;
}

__SRCVERSION("armv_chip_detect.c $Rev: 206932 $");