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/* inteltool - dump all registers on an Intel CPU + chipset based system */
/* SPDX-License-Identifier: GPL-2.0-only */
#include <stdio.h>
#include <stdlib.h>
#include <inttypes.h>
#include "inteltool.h"
#define MMIO_SIZE 0x100000
int print_gfx(struct pci_dev *gfx)
{
uint64_t mmio_phys;
uint8_t *mmio;
uint32_t 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 (read32(mmio + i))
printf("0x%06x: 0x%08x\n", i, read32(mmio + i));
}
unmap_physical((void *)mmio, MMIO_SIZE);
return 0;
}
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