diff options
Diffstat (limited to 'tools/intel_gtt.c')
| -rw-r--r-- | tools/intel_gtt.c | 26 |
1 files changed, 15 insertions, 11 deletions
diff --git a/tools/intel_gtt.c b/tools/intel_gtt.c index 7885610e..32a66187 100644 --- a/tools/intel_gtt.c +++ b/tools/intel_gtt.c @@ -34,16 +34,20 @@ #include "intel_gpu_tools.h" -#define INGTT(offset) (*(volatile uint32_t *)(gtt + (offset) / (KB(4) / 4))) - #define KB(x) ((x) * 1024) #define MB(x) ((x) * 1024 * 1024) +unsigned char *gtt; + +#define INGTT(offset) (*(volatile uint32_t *)(gtt + (offset) / (KB(4) / 4))) +static uint64_t get_phys(uint32_t pt_offset) +{ + return INGTT(pt_offset); +} int main(int argc, char **argv) { struct pci_device *pci_dev; int start, aper_size; - unsigned char *gtt; uint32_t devid; int flag[] = { PCI_DEV_MAP_FLAG_WRITE_COMBINE, @@ -90,15 +94,15 @@ int main(int argc, char **argv) aper_size = pci_dev->regions[2].size; for (start = 0; start < aper_size; start += KB(4)) { - uint32_t start_pte = INGTT(start); + uint32_t start_phys = INGTT(start); uint32_t end; int constant_length = 0; int linear_length = 0; /* Check if it's a linear sequence */ for (end = start + KB(4); end < aper_size; end += KB(4)) { - uint32_t end_pte = INGTT(end); - if (end_pte == start_pte + (end - start)) + uint32_t end_phys = INGTT(end); + if (end_phys == start_phys + (end - start)) linear_length++; else break; @@ -107,27 +111,27 @@ int main(int argc, char **argv) printf("0x%08x - 0x%08x: linear from " "0x%08x to 0x%08x\n", start, end - KB(4), - start_pte, start_pte + (end - start) - KB(4)); + start_phys, start_phys + (end - start) - KB(4)); start = end - KB(4); continue; } /* Check if it's a constant sequence */ for (end = start + KB(4); end < aper_size; end += KB(4)) { - uint32_t end_pte = INGTT(end); - if (end_pte == start_pte) + uint32_t end_phys = INGTT(end); + if (end_phys == start_phys) constant_length++; else break; } if (constant_length > 0) { printf("0x%08x - 0x%08x: constant 0x%08x\n", - start, end - KB(4), start_pte); + start, end - KB(4), start_phys); start = end - KB(4); continue; } - printf("0x%08x: 0x%08x\n", start, start_pte); + printf("0x%08x: 0x%08x\n", start, start_phys); } return 0; |