Patrick Georgi | ea063cb | 2020-05-08 19:28:13 +0200 | [diff] [blame] | 1 | /* inteltool - dump all registers on an Intel CPU + chipset based system */ |
Patrick Georgi | 7333a11 | 2020-05-08 20:48:04 +0200 | [diff] [blame] | 2 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Vladimir Serbinenko | 188aec0 | 2015-05-20 14:04:41 +0200 | [diff] [blame] | 3 | |
| 4 | #include <stdio.h> |
| 5 | #include <stdlib.h> |
| 6 | #include <inttypes.h> |
| 7 | #include "inteltool.h" |
| 8 | |
| 9 | #define MMIO_SIZE 0x100000 |
| 10 | |
| 11 | int print_gfx(struct pci_dev *gfx) |
| 12 | { |
Roger Pau Monne | 5cd34e2 | 2015-08-26 16:51:01 +0200 | [diff] [blame] | 13 | uint64_t mmio_phys; |
| 14 | uint8_t *mmio; |
| 15 | uint32_t i; |
Vladimir Serbinenko | 188aec0 | 2015-05-20 14:04:41 +0200 | [diff] [blame] | 16 | if (!gfx) { |
| 17 | printf ("No IGD found\n"); |
| 18 | return 0; |
| 19 | } |
| 20 | printf("\n============= IGD ==============\n\n"); |
| 21 | mmio_phys = gfx->base_addr[0] & ~0x7ULL; |
| 22 | printf("IGD MMIO = 0x%08llx (MEM)\n\n", (unsigned long long)mmio_phys); |
| 23 | mmio = map_physical(mmio_phys, MMIO_SIZE); |
| 24 | if (mmio == NULL) { |
| 25 | perror("Error mapping MMIO"); |
| 26 | exit(1); |
| 27 | } |
| 28 | for (i = 0; i < MMIO_SIZE; i += 4) { |
Michael Niewöhner | 10d5221 | 2020-03-13 19:08:21 +0100 | [diff] [blame] | 29 | if (read32(mmio + i)) |
| 30 | printf("0x%06x: 0x%08x\n", i, read32(mmio + i)); |
Vladimir Serbinenko | 188aec0 | 2015-05-20 14:04:41 +0200 | [diff] [blame] | 31 | } |
| 32 | unmap_physical((void *)mmio, MMIO_SIZE); |
| 33 | return 0; |
| 34 | |
| 35 | } |