mirror of
				https://github.com/tiagovignatti/intel-gpu-tools.git
				synced 2025-11-04 12:07:12 +00:00 
			
		
		
		
	Cc: Jani Nikula <jani.nikula@intel.com> Signed-off-by: Thomas Wood <thomas.wood@intel.com>
		
			
				
	
	
		
			98 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			98 lines
		
	
	
		
			2.4 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
/*
 | 
						|
 * Copyright © 2013 Intel Corporation
 | 
						|
 *
 | 
						|
 * Permission is hereby granted, free of charge, to any person obtaining a
 | 
						|
 * copy of this software and associated documentation files (the "Software"),
 | 
						|
 * to deal in the Software without restriction, including without limitation
 | 
						|
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 | 
						|
 * and/or sell copies of the Software, and to permit persons to whom the
 | 
						|
 * Software is furnished to do so, subject to the following conditions:
 | 
						|
 *
 | 
						|
 * The above copyright notice and this permission notice (including the next
 | 
						|
 * paragraph) shall be included in all copies or substantial portions of the
 | 
						|
 * Software.
 | 
						|
 *
 | 
						|
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 | 
						|
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 | 
						|
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
 | 
						|
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 | 
						|
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
 | 
						|
 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
 | 
						|
 * DEALINGS IN THE SOFTWARE.
 | 
						|
 *
 | 
						|
 * Authors:
 | 
						|
 *	Ville Syrjälä <ville.syrjala@linux.intel.com>
 | 
						|
 *
 | 
						|
 */
 | 
						|
 | 
						|
#include <assert.h>
 | 
						|
#include <stdbool.h>
 | 
						|
#include <stdint.h>
 | 
						|
#include <stdio.h>
 | 
						|
#include <unistd.h>
 | 
						|
#include <sys/io.h>
 | 
						|
#include "intel_io.h"
 | 
						|
#include "intel_chipset.h"
 | 
						|
 | 
						|
static uint8_t read_reg(uint32_t reg, bool use_mmio)
 | 
						|
{
 | 
						|
	if (use_mmio)
 | 
						|
		return INREG8(reg);
 | 
						|
	else
 | 
						|
		return inb(reg);
 | 
						|
}
 | 
						|
 | 
						|
static void usage(const char *cmdname)
 | 
						|
{
 | 
						|
	printf("Usage: %s [-m] [addr1] [addr2] .. [addrN]\n", cmdname);
 | 
						|
	printf("\t -m : use MMIO instead of port IO\n");
 | 
						|
	printf("\t addr : in 0xXXXX format\n");
 | 
						|
}
 | 
						|
 | 
						|
int main(int argc, char *argv[])
 | 
						|
{
 | 
						|
	bool use_mmio = false;
 | 
						|
	int ret = 0;
 | 
						|
	uint32_t reg;
 | 
						|
	int i, ch;
 | 
						|
	const char *cmdname = argv[0];
 | 
						|
 | 
						|
	fprintf(stderr, "WARNING: Use of %s has been deprecated and replaced by"
 | 
						|
		" intel_reg.\n", argv[0]);
 | 
						|
 | 
						|
	while ((ch = getopt(argc, argv, "m")) != -1) {
 | 
						|
		switch(ch) {
 | 
						|
		case 'm':
 | 
						|
			use_mmio = true;
 | 
						|
			break;
 | 
						|
		default:
 | 
						|
			break;
 | 
						|
		}
 | 
						|
	}
 | 
						|
	argc -= optind;
 | 
						|
	argv += optind;
 | 
						|
 | 
						|
	if (argc < 1) {
 | 
						|
		usage(cmdname);
 | 
						|
		return 1;
 | 
						|
	}
 | 
						|
 | 
						|
	if (use_mmio)
 | 
						|
		intel_register_access_init(intel_get_pci_device(), 0);
 | 
						|
	else
 | 
						|
		assert(iopl(3) == 0);
 | 
						|
 | 
						|
	for (i = 0; i < argc; i++) {
 | 
						|
		sscanf(argv[i], "0x%x", ®);
 | 
						|
		printf("0x%X : 0x%X\n", reg, read_reg(reg, use_mmio));
 | 
						|
	}
 | 
						|
 | 
						|
	if (use_mmio)
 | 
						|
		intel_register_access_fini();
 | 
						|
	else
 | 
						|
		iopl(0);
 | 
						|
 | 
						|
	return ret;
 | 
						|
}
 | 
						|
 |