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