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/*
* Copyright © 2008 Keith Packard
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that copyright
* notice and this permission notice appear in supporting documentation, and
* that the name of the copyright holders not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. The copyright holders make no representations
* about the suitability of this software for any purpose. It is provided "as
* is" without express or implied warranty.
*
* THE COPYRIGHT HOLDERS DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
* OF THIS SOFTWARE.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <getopt.h>
#include <unistd.h>
#include "gen4asm.h"
#include "brw_eu.h"
static const struct option longopts[] = {
{ NULL, 0, NULL, 0 }
};
static struct brw_program *
read_program (FILE *input)
{
uint32_t inst[4];
struct brw_program *program;
struct brw_program_instruction *entry, **prev;
int c;
int n = 0;
program = malloc (sizeof (struct brw_program));
program->first = NULL;
prev = &program->first;
while ((c = getc (input)) != EOF) {
if (c == '0') {
if (fscanf (input, "x%x", &inst[n]) == 1) {
++n;
if (n == 4) {
entry = malloc (sizeof (struct brw_program_instruction));
memcpy (&entry->insn, inst, 4 * sizeof (uint32_t));
entry->next = NULL;
*prev = entry;
prev = &entry->next;
n = 0;
}
}
}
}
return program;
}
static struct brw_program *
read_program_binary (FILE *input)
{
uint32_t temp;
uint8_t inst[16];
struct brw_program *program;
struct brw_program_instruction *entry, **prev;
int c;
int n = 0;
program = malloc (sizeof (struct brw_program));
program->first = NULL;
prev = &program->first;
while ((c = getc (input)) != EOF) {
if (c == '0') {
if (fscanf (input, "x%2x", &temp) == 1) {
inst[n++] = (uint8_t)temp;
if (n == 16) {
entry = malloc (sizeof (struct brw_program_instruction));
memcpy (&entry->insn, inst, 16 * sizeof (uint8_t));
entry->next = NULL;
*prev = entry;
prev = &entry->next;
n = 0;
}
}
}
}
return program;
}
static void usage(void)
{
fprintf(stderr, "usage: intel-gen4disasm [options] inputfile\n");
fprintf(stderr, "\t-b, --binary C style binary output\n");
fprintf(stderr, "\t-o, --output {outputfile} Specify output file\n");
fprintf(stderr, "\t-g, --gen <4|5|6|7> Specify GPU generation\n");
}
int main(int argc, char **argv)
{
struct brw_program *program;
FILE *input = stdin;
FILE *output = stdout;
char *input_filename = NULL;
char *output_file = NULL;
int byte_array_input = 0;
int o;
int gen = 4;
struct brw_program_instruction *inst;
while ((o = getopt_long(argc, argv, "o:bg:", longopts, NULL)) != -1) {
switch (o) {
case 'o':
if (strcmp(optarg, "-") != 0)
output_file = optarg;
break;
case 'b':
byte_array_input = 1;
break;
case 'g':
gen = strtol(optarg, NULL, 10);
if (gen < 4 || gen > 7) {
usage();
exit(1);
}
break;
default:
usage();
exit(1);
}
}
argc -= optind;
argv += optind;
if (argc != 1) {
usage();
exit(1);
}
if (strcmp(argv[0], "-") != 0) {
input_filename = argv[0];
input = fopen(input_filename, "r");
if (input == NULL) {
perror("Couldn't open input file");
exit(1);
}
}
if (byte_array_input)
program = read_program_binary (input);
else
program = read_program (input);
if (!program)
exit (1);
if (output_file) {
output = fopen (output_file, "w");
if (output == NULL) {
perror("Couldn't open output file");
exit(1);
}
}
for (inst = program->first; inst; inst = inst->next)
brw_disasm (output, &inst->insn.gen, gen);
exit (0);
}
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