diff options
Diffstat (limited to 'tools/intel_gtt.c')
| -rw-r--r-- | tools/intel_gtt.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/tools/intel_gtt.c b/tools/intel_gtt.c index d13e29dd..1f1b8820 100644 --- a/tools/intel_gtt.c +++ b/tools/intel_gtt.c @@ -71,6 +71,25 @@ static uint64_t get_phys(uint32_t pt_offset) return (phys | pae) & ~0xfff; } +static void pte_dump(int size, uint32_t offset) { + int start; + /* Want to print 4 ptes at a time (4b PTE assumed). */ + if (size % 16) + size = (size + 16) & ~0xffff; + + + printf("GTT offset | PTEs\n"); + printf("--------------------------------------------------------\n"); + for (start = 0; start < size; start += KB(16)) { + printf(" 0x%06x | 0x%08x 0x%08x 0x%08x 0x%08x\n", + start, + INGTT(start + 0x0), + INGTT(start + 0x1000), + INGTT(start + 0x2000), + INGTT(start + 0x3000)); + } +} + int main(int argc, char **argv) { struct pci_device *pci_dev; @@ -118,6 +137,10 @@ int main(int argc, char **argv) } aper_size = pci_dev->regions[2].size; + if (argc > 1 && !strncmp("-d", argv[1], 2)) { + pte_dump(aper_size, 0); + return 0; + } for (start = 0; start < aper_size; start += KB(4)) { uint64_t start_phys = get_phys(start); |