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/*
* Copyright (C) 2019 Alyssa Rosenzweig
*
* 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 <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <stdint.h>
#include <string.h>
#include "decode.h"
/* Parsing */
static FILE *
pandecode_read_filename(const char *base, const char *name)
{
char *fn = NULL;
asprintf(&fn, "%s/%s", base, name);
FILE *fp = fopen(fn, "rb");
free(fn);
return fp;
}
static void
pandecode_read_memory(const char *base, const char *name, mali_ptr gpu_va)
{
FILE *fp = pandecode_read_filename(base, name);
if (!fp) {
fprintf(stderr, "Warning: missing %s\n", name);
return;
}
fseek(fp, 0, SEEK_END);
long sz = ftell(fp);
fseek(fp, 0, SEEK_SET);
char *buf = malloc(sz);
assert(buf);
fread(buf, 1, sz, fp);
fclose(fp);
pandecode_inject_mmap(gpu_va, buf, sz, name);
}
static void
pandecode_read_mmap(const char *base, const char *line)
{
assert(strlen(line) < 500);
mali_ptr addr;
char name[512];
sscanf(line, "MMAP %" PRIx64 " %s", &addr, name);
pandecode_read_memory(base, name, addr);
}
static void
pandecode_read_job_submit(const char *base, const char *line)
{
mali_ptr addr;
unsigned core_req;
unsigned is_bifrost;
sscanf(line, "JS %" PRIx64 " %x %x", &addr, &core_req, &is_bifrost);
pandecode_replay_jc(addr, is_bifrost);
}
/* Reads the control file, processing as it goes. */
static void
pandecode_read_control(const char *base)
{
FILE *fp = pandecode_read_filename(base, "control.log");
if (!fp) {
fprintf(stderr, "Invalid directory path\n");
return;
}
char *line = NULL;
size_t len = 0;
while (getline(&line, &len, fp) != -1) {
switch (line[0]) {
case 'M':
pandecode_read_mmap(base, line);
break;
case 'J':
pandecode_read_job_submit(base, line);
break;
default:
assert(0);
break;
}
}
}
int
main(int argc, char **argv)
{
if (argc < 2) {
fprintf(stderr, "Usage: pandecode [directory]\n");
exit(1);
}
pandecode_initialize();
pandecode_read_control(argv[1]);
}
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