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/*
* Copyright © 2008 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:
* Eric Anholt <eric@anholt.net>
* Jesse Barnes <jesse.barnes@intel.com>
*
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <errno.h>
#include <pciaccess.h>
#include <err.h>
#include "../i810_reg.h"
#include "../i830_bios.h"
#ifndef DEFFILEMODE
#define DEFFILEMODE (S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP|S_IROTH|S_IWOTH) /* 0666 */
#endif
static uint32_t read32(void *base, int reg)
{
uint32_t *addr = (uint32_t *) ((unsigned char *)(base) + reg);
return *addr;
}
#if 0
static void write32(void *base, int reg, uint32_t val)
{
uint32_t *addr = (uint32_t *) ((unsigned char *)(base) + reg);
*addr = val;
}
#endif
static void usage(void)
{
fprintf(stderr, "usage: swf_dumper\n");
exit(1);
}
int main(int argc, char **argv)
{
struct pci_device *dev;
int err;
void *addr;
if (argc != 1)
usage();
err = pci_system_init();
if (err != 0) {
fprintf(stderr, "Couldn't initialize PCI system: %s\n",
strerror(err));
exit(1);
}
/* Grab the graphics card */
dev = pci_device_find_by_slot(0, 0, 2, 0);
if (dev == NULL)
errx(1, "Couldn't find graphics card");
err = pci_device_probe(dev);
if (err != 0) {
fprintf(stderr, "Couldn't probe graphics card: %s\n",
strerror(err));
exit(1);
}
if (dev->vendor_id != 0x8086)
errx(1, "Graphics card is non-intel");
err = pci_device_map_range(dev, dev->regions[0].base_addr,
dev->regions[0].size,
PCI_DEV_MAP_FLAG_WRITABLE, &addr);
if (err) {
fprintf(stderr, "Couldn't map MMIO space: %s\n", strerror(err));
exit(1);
}
printf("SWF14: 0x%08x\n", read32(addr, SWF14));
pci_system_cleanup();
return 0;
}
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