| /* 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; |
| |
| } |