drm/intel/test_decode.c

195 lines
4.8 KiB
C

/*
* 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.
*/
#define _GNU_SOURCE
#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 },
{ "gen8", 0x1616 },
{ NULL, 0 },
};
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;
}