911 lines
28 KiB
C
911 lines
28 KiB
C
/*
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* Copyright © 2007-2017 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*
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*/
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <string.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <errno.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <err.h>
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#include <assert.h>
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#include <getopt.h>
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#include <zlib.h>
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#include "common/intel_decoder.h"
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#include "compiler/brw_compiler.h"
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#include "dev/intel_debug.h"
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#include "util/macros.h"
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#define MIN(a, b) ((a) < (b) ? (a) : (b))
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/* options */
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static bool option_full_decode = true;
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static bool option_print_all_bb = false;
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static bool option_print_offsets = true;
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static enum { COLOR_AUTO, COLOR_ALWAYS, COLOR_NEVER } option_color;
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static char *xml_path = NULL;
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static uint32_t
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print_head(unsigned int reg)
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{
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printf(" head = 0x%08x, wraps = %d\n", reg & (0x7ffff<<2), reg >> 21);
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return reg & (0x7ffff<<2);
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}
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static void
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print_register(struct intel_spec *spec, const char *name, uint32_t reg)
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{
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struct intel_group *reg_spec =
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name ? intel_spec_find_register_by_name(spec, name) : NULL;
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if (reg_spec) {
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intel_print_group(stdout, reg_spec, 0, ®, 0,
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option_color == COLOR_ALWAYS);
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}
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}
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struct ring_register_mapping {
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enum drm_i915_gem_engine_class ring_class;
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unsigned ring_instance;
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const char *register_name;
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};
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static const struct ring_register_mapping acthd_registers[] = {
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{ I915_ENGINE_CLASS_COPY, 0, "BCS_ACTHD_UDW" },
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{ I915_ENGINE_CLASS_VIDEO, 0, "VCS_ACTHD_UDW" },
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{ I915_ENGINE_CLASS_VIDEO, 1, "VCS2_ACTHD_UDW" },
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{ I915_ENGINE_CLASS_RENDER, 0, "ACTHD_UDW" },
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{ I915_ENGINE_CLASS_VIDEO_ENHANCE, 0, "VECS_ACTHD_UDW" },
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};
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static const struct ring_register_mapping ctl_registers[] = {
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{ I915_ENGINE_CLASS_COPY, 0, "BCS_RING_BUFFER_CTL" },
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{ I915_ENGINE_CLASS_VIDEO, 0, "VCS_RING_BUFFER_CTL" },
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{ I915_ENGINE_CLASS_VIDEO, 1, "VCS2_RING_BUFFER_CTL" },
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{ I915_ENGINE_CLASS_RENDER, 0, "RCS_RING_BUFFER_CTL" },
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{ I915_ENGINE_CLASS_VIDEO_ENHANCE, 0, "VECS_RING_BUFFER_CTL" },
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};
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static const struct ring_register_mapping fault_registers[] = {
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{ I915_ENGINE_CLASS_COPY, 0, "BCS_FAULT_REG" },
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{ I915_ENGINE_CLASS_VIDEO, 0, "VCS_FAULT_REG" },
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{ I915_ENGINE_CLASS_RENDER, 0, "RCS_FAULT_REG" },
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{ I915_ENGINE_CLASS_VIDEO_ENHANCE, 0, "VECS_FAULT_REG" },
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};
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static int ring_name_to_class(const char *ring_name,
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enum drm_i915_gem_engine_class *class)
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{
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static const char *class_names[] = {
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[I915_ENGINE_CLASS_RENDER] = "rcs",
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[I915_ENGINE_CLASS_COPY] = "bcs",
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[I915_ENGINE_CLASS_VIDEO] = "vcs",
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[I915_ENGINE_CLASS_VIDEO_ENHANCE] = "vecs",
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};
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for (size_t i = 0; i < ARRAY_SIZE(class_names); i++) {
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if (strncmp(ring_name, class_names[i], strlen(class_names[i])))
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continue;
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*class = i;
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return atoi(ring_name + strlen(class_names[i]));
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}
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static const struct {
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const char *name;
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unsigned int class;
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int instance;
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} legacy_names[] = {
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{ "render", I915_ENGINE_CLASS_RENDER, 0 },
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{ "blt", I915_ENGINE_CLASS_COPY, 0 },
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{ "bsd", I915_ENGINE_CLASS_VIDEO, 0 },
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{ "bsd2", I915_ENGINE_CLASS_VIDEO, 1 },
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{ "vebox", I915_ENGINE_CLASS_VIDEO_ENHANCE, 0 },
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};
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for (size_t i = 0; i < ARRAY_SIZE(legacy_names); i++) {
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if (strcmp(ring_name, legacy_names[i].name))
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continue;
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*class = legacy_names[i].class;
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return legacy_names[i].instance;
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}
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return -1;
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}
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static const char *
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register_name_from_ring(const struct ring_register_mapping *mapping,
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unsigned nb_mapping,
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const char *ring_name)
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{
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enum drm_i915_gem_engine_class class;
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int instance;
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instance = ring_name_to_class(ring_name, &class);
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if (instance < 0)
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return NULL;
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for (unsigned i = 0; i < nb_mapping; i++) {
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if (mapping[i].ring_class == class &&
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mapping[i].ring_instance == instance)
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return mapping[i].register_name;
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}
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return NULL;
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}
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static const char *
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instdone_register_for_ring(const struct intel_device_info *devinfo,
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const char *ring_name)
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{
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enum drm_i915_gem_engine_class class;
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int instance;
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instance = ring_name_to_class(ring_name, &class);
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if (instance < 0)
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return NULL;
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switch (class) {
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case I915_ENGINE_CLASS_RENDER:
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if (devinfo->ver == 6)
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return "INSTDONE_2";
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else
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return "INSTDONE_1";
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case I915_ENGINE_CLASS_COPY:
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return "BCS_INSTDONE";
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case I915_ENGINE_CLASS_VIDEO:
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switch (instance) {
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case 0:
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return "VCS_INSTDONE";
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case 1:
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return "VCS2_INSTDONE";
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default:
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return NULL;
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}
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case I915_ENGINE_CLASS_VIDEO_ENHANCE:
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return "VECS_INSTDONE";
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default:
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return NULL;
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}
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return NULL;
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}
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static void
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print_pgtbl_err(unsigned int reg, struct intel_device_info *devinfo)
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{
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if (reg & (1 << 26))
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printf(" Invalid Sampler Cache GTT entry\n");
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if (reg & (1 << 24))
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printf(" Invalid Render Cache GTT entry\n");
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if (reg & (1 << 23))
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printf(" Invalid Instruction/State Cache GTT entry\n");
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if (reg & (1 << 22))
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printf(" There is no ROC, this cannot occur!\n");
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if (reg & (1 << 21))
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printf(" Invalid GTT entry during Vertex Fetch\n");
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if (reg & (1 << 20))
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printf(" Invalid GTT entry during Command Fetch\n");
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if (reg & (1 << 19))
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printf(" Invalid GTT entry during CS\n");
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if (reg & (1 << 18))
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printf(" Invalid GTT entry during Cursor Fetch\n");
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if (reg & (1 << 17))
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printf(" Invalid GTT entry during Overlay Fetch\n");
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if (reg & (1 << 8))
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printf(" Invalid GTT entry during Display B Fetch\n");
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if (reg & (1 << 4))
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printf(" Invalid GTT entry during Display A Fetch\n");
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if (reg & (1 << 1))
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printf(" Valid PTE references illegal memory\n");
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if (reg & (1 << 0))
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printf(" Invalid GTT entry during fetch for host\n");
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}
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static void
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print_snb_fence(struct intel_device_info *devinfo, uint64_t fence)
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{
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printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %u\n",
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fence & 1 ? "" : "in",
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fence & (1<<1) ? 'y' : 'x',
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(int)(((fence>>32)&0xfff)+1)*128,
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(uint32_t)fence & 0xfffff000,
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(uint32_t)(((fence>>32)&0xfffff000) - (fence&0xfffff000) + 4096));
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}
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static void
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print_i965_fence(struct intel_device_info *devinfo, uint64_t fence)
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{
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printf(" %svalid, %c-tiled, pitch: %i, start: 0x%08x, size: %u\n",
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fence & 1 ? "" : "in",
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fence & (1<<1) ? 'y' : 'x',
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(int)(((fence>>2)&0x1ff)+1)*128,
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(uint32_t)fence & 0xfffff000,
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(uint32_t)(((fence>>32)&0xfffff000) - (fence&0xfffff000) + 4096));
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}
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static void
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print_fence(struct intel_device_info *devinfo, uint64_t fence)
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{
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if (devinfo->ver == 6 || devinfo->ver == 7) {
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return print_snb_fence(devinfo, fence);
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} else if (devinfo->ver == 4 || devinfo->ver == 5) {
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return print_i965_fence(devinfo, fence);
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}
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}
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static void
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print_fault_data(struct intel_device_info *devinfo, uint32_t data1, uint32_t data0)
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{
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uint64_t address;
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if (devinfo->ver < 8)
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return;
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address = ((uint64_t)(data0) << 12) | ((uint64_t)data1 & 0xf) << 44;
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printf(" Address 0x%016" PRIx64 " %s\n", address,
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data1 & (1 << 4) ? "GGTT" : "PPGTT");
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}
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#define CSI "\e["
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#define NORMAL CSI "0m"
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struct section {
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uint64_t gtt_offset;
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char *ring_name;
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const char *buffer_name;
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uint32_t *data;
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int dword_count;
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size_t data_offset;
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};
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#define MAX_SECTIONS 256
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static unsigned num_sections;
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static struct section sections[MAX_SECTIONS];
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static int zlib_inflate(uint32_t **ptr, int len)
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{
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struct z_stream_s zstream;
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void *out;
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const uint32_t out_size = 128*4096; /* approximate obj size */
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memset(&zstream, 0, sizeof(zstream));
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zstream.next_in = (unsigned char *)*ptr;
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zstream.avail_in = 4*len;
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if (inflateInit(&zstream) != Z_OK)
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return 0;
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out = malloc(out_size);
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zstream.next_out = out;
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zstream.avail_out = out_size;
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do {
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switch (inflate(&zstream, Z_SYNC_FLUSH)) {
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case Z_STREAM_END:
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goto end;
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case Z_OK:
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break;
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default:
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inflateEnd(&zstream);
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return 0;
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}
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if (zstream.avail_out)
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break;
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out = realloc(out, 2*zstream.total_out);
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if (out == NULL) {
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inflateEnd(&zstream);
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return 0;
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}
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zstream.next_out = (unsigned char *)out + zstream.total_out;
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zstream.avail_out = zstream.total_out;
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} while (1);
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end:
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inflateEnd(&zstream);
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free(*ptr);
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*ptr = out;
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return zstream.total_out / 4;
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}
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static int ascii85_decode(const char *in, uint32_t **out, bool inflate)
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{
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int len = 0, size = 1024;
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*out = realloc(*out, sizeof(uint32_t)*size);
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if (*out == NULL)
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return 0;
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while (*in >= '!' && *in <= 'z') {
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uint32_t v = 0;
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if (len == size) {
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size *= 2;
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*out = realloc(*out, sizeof(uint32_t)*size);
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if (*out == NULL)
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return 0;
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}
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if (*in == 'z') {
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in++;
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} else {
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v += in[0] - 33; v *= 85;
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v += in[1] - 33; v *= 85;
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v += in[2] - 33; v *= 85;
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v += in[3] - 33; v *= 85;
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v += in[4] - 33;
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in += 5;
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}
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(*out)[len++] = v;
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}
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if (!inflate)
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return len;
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return zlib_inflate(out, len);
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}
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static int qsort_hw_context_first(const void *a, const void *b)
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{
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const struct section *sa = a, *sb = b;
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if (strcmp(sa->buffer_name, "HW Context") == 0)
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return -1;
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if (strcmp(sb->buffer_name, "HW Context") == 0)
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return 1;
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else
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return 0;
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}
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static struct intel_batch_decode_bo
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get_intel_batch_bo(void *user_data, bool ppgtt, uint64_t address)
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{
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for (int s = 0; s < num_sections; s++) {
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if (sections[s].gtt_offset <= address &&
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address < sections[s].gtt_offset + sections[s].dword_count * 4) {
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return (struct intel_batch_decode_bo) {
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.addr = sections[s].gtt_offset,
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.map = sections[s].data,
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.size = sections[s].dword_count * 4,
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};
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}
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}
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return (struct intel_batch_decode_bo) { .map = NULL };
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}
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static void
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read_data_file(FILE *file)
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{
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struct intel_spec *spec = NULL;
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long long unsigned fence;
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int matched;
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char *line = NULL;
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size_t line_size;
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uint32_t offset, value;
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uint32_t ring_head = UINT32_MAX, ring_tail = UINT32_MAX;
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bool ring_wraps = false;
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char *ring_name = NULL;
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struct intel_device_info devinfo;
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struct brw_isa_info isa;
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uint64_t acthd = 0;
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while (getline(&line, &line_size, file) > 0) {
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char *new_ring_name = NULL;
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char *dashes;
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if (sscanf(line, "%m[^ ] command stream\n", &new_ring_name) > 0) {
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free(ring_name);
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ring_name = new_ring_name;
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}
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if (line[0] == ':' || line[0] == '~') {
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uint32_t *data = NULL;
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int dword_count = ascii85_decode(line+1, &data, line[0] == ':');
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if (dword_count == 0) {
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fprintf(stderr, "ASCII85 decode failed.\n");
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exit(EXIT_FAILURE);
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}
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assert(num_sections < MAX_SECTIONS);
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sections[num_sections].data = data;
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sections[num_sections].dword_count = dword_count;
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num_sections++;
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continue;
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}
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dashes = strstr(line, "---");
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if (dashes) {
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const struct {
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const char *match;
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const char *name;
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} buffers[] = {
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{ "ringbuffer", "ring buffer" },
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{ "ring", "ring buffer" },
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{ "gtt_offset", "batch buffer" },
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{ "batch", "batch buffer" },
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{ "hw context", "HW Context" },
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{ "hw status", "HW status" },
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{ "wa context", "WA context" },
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{ "wa batchbuffer", "WA batch" },
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{ "NULL context", "Kernel context" },
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{ "user", "user" },
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{ "semaphores", "semaphores", },
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{ "guc log buffer", "GuC log", },
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{ NULL, "unknown" },
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}, *b;
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|
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free(ring_name);
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ring_name = malloc(dashes - line);
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strncpy(ring_name, line, dashes - line);
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ring_name[dashes - line - 1] = '\0';
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dashes += 4;
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for (b = buffers; b->match; b++) {
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if (strncasecmp(dashes, b->match, strlen(b->match)) == 0)
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break;
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}
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|
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assert(num_sections < MAX_SECTIONS);
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sections[num_sections].buffer_name = b->name;
|
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sections[num_sections].ring_name = strdup(ring_name);
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|
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uint32_t hi, lo;
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dashes = strchr(dashes, '=');
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if (dashes && sscanf(dashes, "= 0x%08x %08x\n", &hi, &lo))
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sections[num_sections].gtt_offset = ((uint64_t) hi) << 32 | lo;
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|
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continue;
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}
|
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|
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matched = sscanf(line, "%08x : %08x", &offset, &value);
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if (matched != 2) {
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uint32_t reg, reg2;
|
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|
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/* display reg section is after the ringbuffers, don't mix them */
|
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printf("%s", line);
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|
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matched = sscanf(line, "PCI ID: 0x%04x\n", ®);
|
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if (matched == 0)
|
|
matched = sscanf(line, " PCI ID: 0x%04x\n", ®);
|
|
if (matched == 0) {
|
|
const char *pci_id_start = strstr(line, "PCI ID");
|
|
if (pci_id_start)
|
|
matched = sscanf(pci_id_start, "PCI ID: 0x%04x\n", ®);
|
|
}
|
|
if (matched == 1) {
|
|
if (!intel_get_device_info_from_pci_id(reg, &devinfo)) {
|
|
printf("Unable to identify devid=%x\n", reg);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
printf("Detected GEN%i chipset\n", devinfo.ver);
|
|
|
|
brw_init_isa_info(&isa, &devinfo);
|
|
|
|
if (xml_path == NULL)
|
|
spec = intel_spec_load(&devinfo);
|
|
else
|
|
spec = intel_spec_load_from_path(&devinfo, xml_path);
|
|
}
|
|
|
|
matched = sscanf(line, " CTL: 0x%08x\n", ®);
|
|
if (matched == 1) {
|
|
print_register(spec,
|
|
register_name_from_ring(ctl_registers,
|
|
ARRAY_SIZE(ctl_registers),
|
|
ring_name), reg);
|
|
}
|
|
|
|
matched = sscanf(line, " HEAD: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_head(reg);
|
|
|
|
sscanf(line, " HEAD: 0x%08x [0x%08X]\n", ®, &ring_head);
|
|
sscanf(line, " TAIL: 0x%08x\n", &ring_tail);
|
|
|
|
matched = sscanf(line, " ACTHD: 0x%08x\n", ®);
|
|
if (matched == 1) {
|
|
print_register(spec,
|
|
register_name_from_ring(acthd_registers,
|
|
ARRAY_SIZE(acthd_registers),
|
|
ring_name), reg);
|
|
}
|
|
|
|
matched = sscanf(line, " ACTHD: 0x%08x %08x\n", ®, ®2);
|
|
if (matched == 2)
|
|
acthd = ((uint64_t)reg << 32) | reg2;
|
|
|
|
matched = sscanf(line, " PGTBL_ER: 0x%08x\n", ®);
|
|
if (matched == 1 && reg)
|
|
print_pgtbl_err(reg, &devinfo);
|
|
|
|
matched = sscanf(line, " ERROR: 0x%08x\n", ®);
|
|
if (matched == 1 && reg) {
|
|
print_register(spec, "GFX_ARB_ERROR_RPT", reg);
|
|
}
|
|
|
|
matched = sscanf(line, " INSTDONE: 0x%08x\n", ®);
|
|
if (matched == 1) {
|
|
const char *reg_name =
|
|
instdone_register_for_ring(&devinfo, ring_name);
|
|
if (reg_name)
|
|
print_register(spec, reg_name, reg);
|
|
}
|
|
|
|
matched = sscanf(line, " SC_INSTDONE: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "SC_INSTDONE", reg);
|
|
|
|
matched = sscanf(line, " SC_INSTDONE_EXTRA: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "SC_INSTDONE_EXTRA", reg);
|
|
|
|
matched = sscanf(line, " SC_INSTDONE_EXTRA2: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "SC_INSTDONE_EXTRA2", reg);
|
|
|
|
matched = sscanf(line, " SAMPLER_INSTDONE[%*d][%*d]: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "SAMPLER_INSTDONE", reg);
|
|
|
|
matched = sscanf(line, " ROW_INSTDONE[%*d][%*d]: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "ROW_INSTDONE", reg);
|
|
|
|
matched = sscanf(line, " GEOM_SVGUNIT_INSTDONE[%*d][%*d]: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "INSTDONE_GEOM", reg);
|
|
|
|
matched = sscanf(line, " INSTDONE1: 0x%08x\n", ®);
|
|
if (matched == 1)
|
|
print_register(spec, "INSTDONE_1", reg);
|
|
|
|
matched = sscanf(line, " fence[%i] = %Lx\n", ®, &fence);
|
|
if (matched == 2)
|
|
print_fence(&devinfo, fence);
|
|
|
|
matched = sscanf(line, " FAULT_REG: 0x%08x\n", ®);
|
|
if (matched == 1 && reg) {
|
|
const char *reg_name =
|
|
register_name_from_ring(fault_registers,
|
|
ARRAY_SIZE(fault_registers),
|
|
ring_name);
|
|
if (reg_name == NULL)
|
|
reg_name = "FAULT_REG";
|
|
print_register(spec, reg_name, reg);
|
|
}
|
|
|
|
matched = sscanf(line, " FAULT_TLB_DATA: 0x%08x 0x%08x\n", ®, ®2);
|
|
if (matched == 2)
|
|
print_fault_data(&devinfo, reg, reg2);
|
|
|
|
continue;
|
|
}
|
|
}
|
|
|
|
free(line);
|
|
free(ring_name);
|
|
|
|
/*
|
|
* Order sections so that the hardware context section is visited by the
|
|
* decoder before other command buffers. This will allow the decoder to see
|
|
* persistent state that was set before the current batch.
|
|
*/
|
|
qsort(sections, num_sections, sizeof(sections[0]), qsort_hw_context_first);
|
|
|
|
for (int s = 0; s < num_sections; s++) {
|
|
if (strcmp(sections[s].buffer_name, "ring buffer") != 0)
|
|
continue;
|
|
if (ring_head == UINT32_MAX) {
|
|
ring_head = 0;
|
|
ring_tail = UINT32_MAX;
|
|
}
|
|
if (ring_tail == UINT32_MAX)
|
|
ring_tail = (ring_head - sizeof(uint32_t)) %
|
|
(sections[s].dword_count * sizeof(uint32_t));
|
|
if (ring_head > ring_tail) {
|
|
size_t total_size = sections[s].dword_count * sizeof(uint32_t) -
|
|
ring_head + ring_tail;
|
|
size_t size1 = total_size - ring_tail;
|
|
uint32_t *new_data = calloc(total_size, 1);
|
|
memcpy(new_data, (uint8_t *)sections[s].data + ring_head, size1);
|
|
memcpy((uint8_t *)new_data + size1, sections[s].data, ring_tail);
|
|
free(sections[s].data);
|
|
sections[s].data = new_data;
|
|
ring_head = 0;
|
|
ring_tail = total_size;
|
|
ring_wraps = true;
|
|
}
|
|
sections[s].data_offset = ring_head;
|
|
sections[s].dword_count = (ring_tail - ring_head) / sizeof(uint32_t);
|
|
}
|
|
|
|
for (int s = 0; s < num_sections; s++) {
|
|
if (sections[s].dword_count * 4 > intel_debug_identifier_size() &&
|
|
memcmp(sections[s].data, intel_debug_identifier(),
|
|
intel_debug_identifier_size()) == 0) {
|
|
const struct intel_debug_block_driver *driver_desc =
|
|
intel_debug_get_identifier_block(sections[s].data,
|
|
sections[s].dword_count * 4,
|
|
INTEL_DEBUG_BLOCK_TYPE_DRIVER);
|
|
if (driver_desc) {
|
|
printf("Driver identifier: %s\n",
|
|
(const char *) driver_desc->description);
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
|
|
enum intel_batch_decode_flags batch_flags = 0;
|
|
if (option_color == COLOR_ALWAYS)
|
|
batch_flags |= INTEL_BATCH_DECODE_IN_COLOR;
|
|
if (option_full_decode)
|
|
batch_flags |= INTEL_BATCH_DECODE_FULL;
|
|
if (option_print_offsets)
|
|
batch_flags |= INTEL_BATCH_DECODE_OFFSETS;
|
|
batch_flags |= INTEL_BATCH_DECODE_FLOATS;
|
|
|
|
struct intel_batch_decode_ctx batch_ctx;
|
|
intel_batch_decode_ctx_init(&batch_ctx, &isa, &devinfo, stdout,
|
|
batch_flags, xml_path, get_intel_batch_bo,
|
|
NULL, NULL);
|
|
batch_ctx.acthd = acthd;
|
|
|
|
|
|
for (int s = 0; s < num_sections; s++) {
|
|
enum drm_i915_gem_engine_class class;
|
|
ring_name_to_class(sections[s].ring_name, &class);
|
|
|
|
printf("--- %s (%s) at 0x%08x %08x\n",
|
|
sections[s].buffer_name, sections[s].ring_name,
|
|
(unsigned) (sections[s].gtt_offset >> 32),
|
|
(unsigned) sections[s].gtt_offset);
|
|
|
|
bool is_ring_buffer = strcmp(sections[s].buffer_name, "ring buffer") == 0;
|
|
if (option_print_all_bb || is_ring_buffer ||
|
|
strcmp(sections[s].buffer_name, "batch buffer") == 0 ||
|
|
strcmp(sections[s].buffer_name, "HW Context") == 0) {
|
|
if (is_ring_buffer && ring_wraps)
|
|
batch_ctx.flags &= ~INTEL_BATCH_DECODE_OFFSETS;
|
|
batch_ctx.engine = class;
|
|
uint8_t *data = (uint8_t *)sections[s].data + sections[s].data_offset;
|
|
uint64_t batch_addr = sections[s].gtt_offset + sections[s].data_offset;
|
|
intel_print_batch(&batch_ctx, (uint32_t *)data,
|
|
sections[s].dword_count * 4, batch_addr,
|
|
is_ring_buffer);
|
|
batch_ctx.flags = batch_flags;
|
|
}
|
|
}
|
|
|
|
intel_batch_decode_ctx_finish(&batch_ctx);
|
|
|
|
for (int s = 0; s < num_sections; s++) {
|
|
free(sections[s].ring_name);
|
|
free(sections[s].data);
|
|
}
|
|
}
|
|
|
|
static void
|
|
setup_pager(void)
|
|
{
|
|
int fds[2];
|
|
pid_t pid;
|
|
|
|
if (!isatty(1))
|
|
return;
|
|
|
|
if (pipe(fds) == -1)
|
|
return;
|
|
|
|
pid = fork();
|
|
if (pid == -1)
|
|
return;
|
|
|
|
if (pid == 0) {
|
|
close(fds[1]);
|
|
dup2(fds[0], 0);
|
|
execlp("less", "less", "-FRSi", NULL);
|
|
}
|
|
|
|
close(fds[0]);
|
|
dup2(fds[1], 1);
|
|
close(fds[1]);
|
|
}
|
|
|
|
static void
|
|
print_help(const char *progname, FILE *file)
|
|
{
|
|
fprintf(file,
|
|
"Usage: %s [OPTION]... [FILE]\n"
|
|
"Parse an Intel GPU i915_error_state.\n"
|
|
"With no FILE, debugfs-dri-directory is probed for in /debug and \n"
|
|
"/sys/kernel/debug. Otherwise, it may be specified. If a file is given,\n"
|
|
"it is parsed as an GPU dump in the format of /debug/dri/0/i915_error_state.\n\n"
|
|
" --help display this help and exit\n"
|
|
" --headers decode only command headers\n"
|
|
" --color[=WHEN] colorize the output; WHEN can be 'auto' (default\n"
|
|
" if omitted), 'always', or 'never'\n"
|
|
" --no-pager don't launch pager\n"
|
|
" --no-offsets don't print instruction offsets\n"
|
|
" --xml=DIR load hardware xml description from directory DIR\n"
|
|
" --all-bb print out all batchbuffers\n",
|
|
progname);
|
|
}
|
|
|
|
static FILE *
|
|
open_error_state_file(const char *path)
|
|
{
|
|
FILE *file;
|
|
struct stat st;
|
|
|
|
if (stat(path, &st))
|
|
return NULL;
|
|
|
|
if (S_ISDIR(st.st_mode)) {
|
|
ASSERTED int ret;
|
|
char *filename;
|
|
|
|
ret = asprintf(&filename, "%s/i915_error_state", path);
|
|
assert(ret > 0);
|
|
file = fopen(filename, "r");
|
|
free(filename);
|
|
if (!file) {
|
|
int minor;
|
|
for (minor = 0; minor < 64; minor++) {
|
|
ret = asprintf(&filename, "%s/%d/i915_error_state", path, minor);
|
|
assert(ret > 0);
|
|
|
|
file = fopen(filename, "r");
|
|
free(filename);
|
|
if (file)
|
|
break;
|
|
}
|
|
}
|
|
if (!file) {
|
|
fprintf(stderr, "Failed to find i915_error_state beneath %s\n",
|
|
path);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
} else {
|
|
file = fopen(path, "r");
|
|
if (!file) {
|
|
fprintf(stderr, "Failed to open %s: %s\n", path, strerror(errno));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
|
|
return file;
|
|
}
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
FILE *file;
|
|
int c, i;
|
|
bool help = false, pager = true;
|
|
const struct option aubinator_opts[] = {
|
|
{ "help", no_argument, (int *) &help, true },
|
|
{ "no-pager", no_argument, (int *) &pager, false },
|
|
{ "no-offsets", no_argument, (int *) &option_print_offsets, false },
|
|
{ "headers", no_argument, (int *) &option_full_decode, false },
|
|
{ "color", optional_argument, NULL, 'c' },
|
|
{ "xml", required_argument, NULL, 'x' },
|
|
{ "all-bb", no_argument, (int *) &option_print_all_bb, true },
|
|
{ NULL, 0, NULL, 0 }
|
|
};
|
|
|
|
i = 0;
|
|
while ((c = getopt_long(argc, argv, "", aubinator_opts, &i)) != -1) {
|
|
switch (c) {
|
|
case 'c':
|
|
if (optarg == NULL || strcmp(optarg, "always") == 0)
|
|
option_color = COLOR_ALWAYS;
|
|
else if (strcmp(optarg, "never") == 0)
|
|
option_color = COLOR_NEVER;
|
|
else if (strcmp(optarg, "auto") == 0)
|
|
option_color = COLOR_AUTO;
|
|
else {
|
|
fprintf(stderr, "invalid value for --color: %s", optarg);
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
break;
|
|
case 'x':
|
|
xml_path = strdup(optarg);
|
|
break;
|
|
case '?':
|
|
print_help(argv[0], stderr);
|
|
exit(EXIT_FAILURE);
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (help) {
|
|
print_help(argv[0], stderr);
|
|
exit(EXIT_SUCCESS);
|
|
}
|
|
|
|
if (optind >= argc) {
|
|
if (isatty(0)) {
|
|
file = open_error_state_file("/sys/class/drm/card0/error");
|
|
if (!file)
|
|
file = open_error_state_file("/debug/dri");
|
|
if (!file)
|
|
file = open_error_state_file("/sys/kernel/debug/dri");
|
|
|
|
if (file == NULL) {
|
|
errx(1,
|
|
"Couldn't find i915 debugfs directory.\n\n"
|
|
"Is debugfs mounted? You might try mounting it with a command such as:\n\n"
|
|
"\tsudo mount -t debugfs debugfs /sys/kernel/debug\n");
|
|
}
|
|
} else {
|
|
file = stdin;
|
|
}
|
|
} else {
|
|
const char *path = argv[optind];
|
|
if (strcmp(path, "-") == 0) {
|
|
file = stdin;
|
|
} else {
|
|
file = open_error_state_file(path);
|
|
if (file == NULL) {
|
|
fprintf(stderr, "Error opening %s: %s\n", path, strerror(errno));
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (option_color == COLOR_AUTO)
|
|
option_color = isatty(1) ? COLOR_ALWAYS : COLOR_NEVER;
|
|
|
|
if (isatty(1) && pager)
|
|
setup_pager();
|
|
|
|
read_data_file(file);
|
|
fclose(file);
|
|
|
|
/* close the stdout which is opened to write the output */
|
|
fflush(stdout);
|
|
close(1);
|
|
wait(NULL);
|
|
|
|
if (xml_path)
|
|
free(xml_path);
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
/* vim: set ts=8 sw=8 tw=0 cino=:0,(0 noet :*/
|