src/panfrost/pandecode/cmdline.c

   1 /*
   2  * Copyright (C) 2019 Alyssa Rosenzweig
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice (including the next
  12  * paragraph) shall be included in all copies or substantial portions of the
  13  * Software.
  14  *
  15  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  16  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  17  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  18  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  19  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  20  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  21  * SOFTWARE.
  22  */
  23
  24 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include <assert.h>
  27 #include <stdint.h>
  28 #include <string.h>
  29
  30 #include "decode.h"
  31
  32 /* Parsing */
  33
  34 static FILE *
  35 pandecode_read_filename(const char *base, const char *name)
  36 {
  37         char *fn = NULL;
  38         asprintf(&fn, "%s/%s", base, name);
  39
  40         FILE *fp = fopen(fn, "rb");
  41         free(fn);
  42
  43         return fp;
  44 }
  45
  46 static void
  47 pandecode_read_memory(const char *base, const char *name, mali_ptr gpu_va)
  48 {
  49         FILE *fp = pandecode_read_filename(base, name);
  50
  51         if (!fp) {
  52                 fprintf(stderr, "Warning: missing %s\n", name);
  53                 return;
  54         }
  55
  56         fseek(fp, 0, SEEK_END);
  57         long sz = ftell(fp);
  58         fseek(fp, 0, SEEK_SET);
  59
  60         char *buf = malloc(sz);
  61         assert(buf);
  62         fread(buf, 1, sz, fp);
  63         fclose(fp);
  64
  65         pandecode_inject_mmap(gpu_va, buf, sz, name);
  66 }
  67
  68 static void
  69 pandecode_read_mmap(const char *base, const char *line)
  70 {
  71         assert(strlen(line) < 500);
  72
  73         mali_ptr addr;
  74         char name[512];
  75
  76         sscanf(line, "MMAP %" PRIx64 " %s", &addr, name);
  77         pandecode_read_memory(base, name, addr);
  78 }
  79
  80 static void
  81 pandecode_read_job_submit(const char *base, const char *line)
  82 {
  83         mali_ptr addr;
  84         unsigned core_req;
  85         unsigned is_bifrost;
  86
  87         sscanf(line, "JS %" PRIx64 " %x %x", &addr, &core_req, &is_bifrost);
  88         pandecode_jc(addr, is_bifrost);
  89 }
  90
  91
  92
  93 /* Reads the control file, processing as it goes. */
  94
  95 static void
  96 pandecode_read_control(const char *base)
  97 {
  98         FILE *fp = pandecode_read_filename(base, "control.log");
  99
 100         if (!fp) {
 101                 fprintf(stderr, "Invalid directory path\n");
 102                 return;
 103         }
 104
 105         char *line = NULL;
 106         size_t len = 0;
 107
 108         while (getline(&line, &len, fp) != -1) {
 109                 switch (line[0]) {
 110                 case 'M':
 111                         pandecode_read_mmap(base, line);
 112                         break;
 113
 114                 case 'J':
 115                         pandecode_read_job_submit(base, line);
 116                         break;
 117
 118                 default:
 119                         assert(0);
 120                         break;
 121                 }
 122         }
 123 }
 124
 125 int
 126 main(int argc, char **argv)
 127 {
 128         if (argc < 2) {
 129                 fprintf(stderr, "Usage: pandecode [directory]\n");
 130                 exit(1);
 131         }
 132
 133         pandecode_initialize();
 134         pandecode_read_control(argv[1]);
 135 }