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/*
* inteltool - dump all registers on an Intel CPU + chipset based system.
*
* Copyright (C) 2008-2010 by coresystems GmbH
* Copyright (C) 2012 Anton Kochkov
*
* 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; version 2 of the License.
*
* 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, write to the Free Software
* Foundation, Inc.
*/
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "inteltool.h"
#define MMIO_SIZE 0x100000
int print_gfx(struct pci_dev *gfx)
{
u64 mmio_phys;
u8 *mmio;
u32 i;
if (!gfx) {
printf ("No IGD found\n");
return 0;
}
printf("\n============= IGD ==============\n\n");
mmio_phys = gfx->base_addr[0] & ~0x7ULL;
printf("IGD MMIO = 0x%08llx (MEM)\n\n", (unsigned long long)mmio_phys);
mmio = map_physical(mmio_phys, MMIO_SIZE);
if (mmio == NULL) {
perror("Error mapping MMIO");
exit(1);
}
for (i = 0; i < MMIO_SIZE; i += 4) {
if (*(uint32_t *)(mmio + i))
printf("0x%06x: 0x%08x\n", i, *(uint32_t *)(mmio + i));
}
unmap_physical((void *)mmio, MMIO_SIZE);
return 0;
}
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