From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ben Widawsky Subject: [PATCH 7/7] intel_gtt: Raw PTE dumper mode Date: Sun, 1 Sep 2013 12:51:26 -0700 Message-ID: <1378065086-28705-7-git-send-email-benjamin.widawsky@intel.com> References: <1378065086-28705-1-git-send-email-benjamin.widawsky@intel.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mga09.intel.com (mga09.intel.com [134.134.136.24]) by gabe.freedesktop.org (Postfix) with ESMTP id 68B4AE6612 for ; Sun, 1 Sep 2013 12:51:29 -0700 (PDT) In-Reply-To: <1378065086-28705-1-git-send-email-benjamin.widawsky@intel.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org Errors-To: intel-gfx-bounces+gcfxdi-intel-gfx=m.gmane.org@lists.freedesktop.org To: intel-gfx@lists.freedesktop.org Cc: Ben Widawsky , Ben Widawsky List-Id: intel-gfx@lists.freedesktop.org ./tools/intel_gtt -d | head GTT offset | PTEs -------------------------------------------------------- 0x000000 | 0xe4005015 0xe2854015 0xe283e015 0xe283f015 0x004000 | 0xe28ba015 0xe28bb015 0xe28b6015 0xe28b7015 0x008000 | 0xe2828015 0xe2829015 0xe282a015 0xe282b015 0x00c000 | 0xe2928015 0xe2929015 0xe292a015 0xe292b015 0x010000 | 0xe2918015 0xe2919015 0xe291a015 0xe291b015 0x014000 | 0xe291c015 0xe291d015 0xe291e015 0xe291f015 0x018000 | 0xe2920015 0xe2921015 0xe2922015 0xe2923015 0x01c000 | 0xe2924015 0xe2925015 0xe2926015 0xe2927015 Signed-off-by: Ben Widawsky --- tools/intel_gtt.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/tools/intel_gtt.c b/tools/intel_gtt.c index acf63c1..090e88d 100644 --- a/tools/intel_gtt.c +++ b/tools/intel_gtt.c @@ -58,6 +58,25 @@ 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; @@ -105,6 +124,10 @@ 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); -- 1.8.4