--- /dev/null
+/*
+ * Copyright © 2011 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/mman.h>
+#include <err.h>
+
+#include "config.h"
+#include "intel_bufmgr.h"
+#include "intel_chipset.h"
+
+#define HW_OFFSET 0x12300000
+
+static void
+usage(void)
+{
+ fprintf(stderr, "usage:\n");
+ fprintf(stderr, " test_decode <batch>\n");
+ fprintf(stderr, " test_decode <batch> -dump\n");
+ exit(1);
+}
+
+static void
+read_file(const char *filename, void **ptr, size_t *size)
+{
+ int fd, ret;
+ struct stat st;
+
+ fd = open(filename, O_RDONLY);
+ if (fd == -1)
+ errx(1, "couldn't open `%s'", filename);
+
+ ret = fstat(fd, &st);
+ if (ret)
+ errx(1, "couldn't stat `%s'", filename);
+
+ *size = st.st_size;
+ *ptr = mmap(NULL, st.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if (*ptr == MAP_FAILED)
+ errx(1, "couldn't map `%s'", filename);
+
+ close(fd);
+}
+
+static void
+dump_batch(struct drm_intel_decode *ctx, const char *batch_filename)
+{
+ void *batch_ptr;
+ size_t batch_size;
+
+ read_file(batch_filename, &batch_ptr, &batch_size);
+
+ drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
+ batch_size / 4);
+ drm_intel_decode_set_output_file(ctx, stdout);
+
+ drm_intel_decode(ctx);
+}
+
+static void
+compare_batch(struct drm_intel_decode *ctx, const char *batch_filename)
+{
+ FILE *out = NULL;
+ void *ptr, *ref_ptr, *batch_ptr;
+ size_t size, ref_size, batch_size;
+ const char *ref_suffix = "-ref.txt";
+ char *ref_filename;
+
+ ref_filename = malloc(strlen(batch_filename) + strlen(ref_suffix) + 1);
+ sprintf(ref_filename, "%s%s", batch_filename, ref_suffix);
+
+ /* Read the batch and reference. */
+ read_file(batch_filename, &batch_ptr, &batch_size);
+ read_file(ref_filename, &ref_ptr, &ref_size);
+
+ /* Set up our decode output in memory, because I don't want to
+ * figure out how to output to a file in a safe and sane way
+ * inside of an automake project's test infrastructure.
+ */
+#ifdef HAVE_OPEN_MEMSTREAM
+ out = open_memstream((char **)&ptr, &size);
+#else
+ fprintf(stderr, "platform lacks open_memstream, skipping.\n");
+ exit(77);
+#endif
+
+ drm_intel_decode_set_batch_pointer(ctx, batch_ptr, HW_OFFSET,
+ batch_size / 4);
+ drm_intel_decode_set_output_file(ctx, out);
+
+ drm_intel_decode(ctx);
+
+ if (strcmp(ref_ptr, ptr) != 0) {
+ fprintf(stderr, "Decode mismatch with reference `%s'.\n",
+ ref_filename);
+ fprintf(stderr, "You can dump the new output using:\n");
+ fprintf(stderr, " test_decode \"%s\" -dump\n", batch_filename);
+ exit(1);
+ }
+
+ fclose(out);
+ free(ref_filename);
+ free(ptr);
+}
+
+static uint16_t
+infer_devid(const char *batch_filename)
+{
+ struct {
+ const char *name;
+ uint16_t devid;
+ } chipsets[] = {
+ { "830", 0x3577},
+ { "855", 0x3582},
+ { "945", 0x2772},
+ { "gen4", 0x2a02 },
+ { "gm45", 0x2a42 },
+ { "gen5", PCI_CHIP_ILD_G },
+ { "gen6", PCI_CHIP_SANDYBRIDGE_GT2 },
+ { "gen7", PCI_CHIP_IVYBRIDGE_GT2 },
+ };
+ int i;
+
+ for (i = 0; chipsets[i].name != NULL; i++) {
+ if (strstr(batch_filename, chipsets[i].name))
+ return chipsets[i].devid;
+ }
+
+ fprintf(stderr, "Couldn't guess chipset id from batch filename `%s'.\n",
+ batch_filename);
+ fprintf(stderr, "Must be contain one of:\n");
+ for (i = 0; chipsets[i].name != NULL; i++) {
+ fprintf(stderr, " %s\n", chipsets[i].name);
+ }
+ exit(1);
+}
+
+int
+main(int argc, char **argv)
+{
+ uint16_t devid;
+ struct drm_intel_decode *ctx;
+
+ if (argc < 2)
+ usage();
+
+
+ devid = infer_devid(argv[1]);
+
+ ctx = drm_intel_decode_context_alloc(devid);
+
+ if (argc == 3) {
+ if (strcmp(argv[2], "-dump") == 0)
+ dump_batch(ctx, argv[1]);
+ else
+ usage();
+ } else {
+ compare_batch(ctx, argv[1]);
+ }
+
+ drm_intel_decode_context_free(ctx);
+
+ return 0;
+}
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