1 /*
2 * Copyright © 2011 Intel Corporation
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
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 #ifdef HAVE_CONFIG_H
25 #include "config.h"
26 #endif
27
28 #include <string.h>
29 #include <stdlib.h>
30 #include <stdio.h>
31 #include <unistd.h>
32 #include <fcntl.h>
33 #include <sys/types.h>
34 #include <sys/stat.h>
35 #include <err.h>
36
37 #include "libdrm_macros.h"
38 #include "intel_bufmgr.h"
39 #include "intel_chipset.h"
40
41 #define HW_OFFSET 0x12300000
42
43 static void
usage(void)44 usage(void)
45 {
46 fprintf(stderr, "usage:\n");
47 fprintf(stderr, " test_decode <batch>\n");
48 fprintf(stderr, " test_decode <batch> -dump\n");
49 exit(1);
50 }
51
52 static void
read_file(const char * filename,void ** ptr,size_t * size)53 read_file(const char *filename, void **ptr, size_t *size)
54 {
55 int fd, ret;
56 struct stat st;
57
58 fd = open(filename, O_RDONLY);
59 if (fd < 0)
60 errx(1, "couldn't open `%s'", filename);
61
62 ret = fstat(fd, &st);
63 if (ret)
64 errx(1, "couldn't stat `%s'", filename);
65
66 *size = st.st_size;
67 *ptr = drm_mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
68 if (*ptr == MAP_FAILED)
69 errx(1, "couldn't map `%s'", filename);
70
71 close(fd);
72 }
73
74 static void
dump_batch(struct drm_intel_decode * ctx,const char * batch_filename)75 dump_batch(struct drm_intel_decode *ctx, const char *batch_filename)
76 {
77 void *batch_ptr;
78 size_t batch_size;
79
80 read_file(batch_filename, &batch_ptr, &batch_size);
81
82 drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
83 batch_size / 4);
84 drm_intel_decode_set_output_file(ctx, stdout);
85
86 drm_intel_decode(ctx);
87 }
88
89 static void
compare_batch(struct drm_intel_decode * ctx,const char * batch_filename)90 compare_batch(struct drm_intel_decode *ctx, const char *batch_filename)
91 {
92 FILE *out = NULL;
93 void *ptr, *ref_ptr, *batch_ptr;
94 #ifdef HAVE_OPEN_MEMSTREAM
95 size_t size;
96 #endif
97 size_t ref_size, batch_size;
98 const char *ref_suffix = "-ref.txt";
99 char *ref_filename;
100
101 ref_filename = malloc(strlen(batch_filename) + strlen(ref_suffix) + 1);
102 sprintf(ref_filename, "%s%s", batch_filename, ref_suffix);
103
104 /* Read the batch and reference. */
105 read_file(batch_filename, &batch_ptr, &batch_size);
106 read_file(ref_filename, &ref_ptr, &ref_size);
107
108 /* Set up our decode output in memory, because I don't want to
109 * figure out how to output to a file in a safe and sane way
110 * inside of an automake project's test infrastructure.
111 */
112 #ifdef HAVE_OPEN_MEMSTREAM
113 out = open_memstream((char **)&ptr, &size);
114 #else
115 fprintf(stderr, "platform lacks open_memstream, skipping.\n");
116 exit(77);
117 #endif
118
119 drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
120 batch_size / 4);
121 drm_intel_decode_set_output_file(ctx, out);
122
123 drm_intel_decode(ctx);
124
125 if (strcmp(ref_ptr, ptr) != 0) {
126 fprintf(stderr, "Decode mismatch with reference `%s'.\n",
127 ref_filename);
128 fprintf(stderr, "You can dump the new output using:\n");
129 fprintf(stderr, " test_decode \"%s\" -dump\n", batch_filename);
130 exit(1);
131 }
132
133 fclose(out);
134 free(ref_filename);
135 free(ptr);
136 }
137
138 static uint16_t
infer_devid(const char * batch_filename)139 infer_devid(const char *batch_filename)
140 {
141 struct {
142 const char *name;
143 uint16_t devid;
144 } chipsets[] = {
145 { "830", 0x3577},
146 { "855", 0x3582},
147 { "945", 0x2772},
148 { "gen4", 0x2a02 },
149 { "gm45", 0x2a42 },
150 { "gen5", PCI_CHIP_ILD_G },
151 { "gen6", PCI_CHIP_SANDYBRIDGE_GT2 },
152 { "gen7", PCI_CHIP_IVYBRIDGE_GT2 },
153 { "gen8", 0x1616 },
154 { NULL, 0 },
155 };
156 int i;
157
158 for (i = 0; chipsets[i].name != NULL; i++) {
159 if (strstr(batch_filename, chipsets[i].name))
160 return chipsets[i].devid;
161 }
162
163 fprintf(stderr, "Couldn't guess chipset id from batch filename `%s'.\n",
164 batch_filename);
165 fprintf(stderr, "Must be contain one of:\n");
166 for (i = 0; chipsets[i].name != NULL; i++) {
167 fprintf(stderr, " %s\n", chipsets[i].name);
168 }
169 exit(1);
170 }
171
172 int
main(int argc,char ** argv)173 main(int argc, char **argv)
174 {
175 uint16_t devid;
176 struct drm_intel_decode *ctx;
177
178 if (argc < 2)
179 usage();
180
181
182 devid = infer_devid(argv[1]);
183
184 ctx = drm_intel_decode_context_alloc(devid);
185
186 if (argc == 3) {
187 if (strcmp(argv[2], "-dump") == 0)
188 dump_batch(ctx, argv[1]);
189 else
190 usage();
191 } else {
192 compare_batch(ctx, argv[1]);
193 }
194
195 drm_intel_decode_context_free(ctx);
196
197 return 0;
198 }
199