diff options
Diffstat (limited to 'assembler/disasm-main.c')
| -rw-r--r-- | assembler/disasm-main.c | 172 |
1 files changed, 172 insertions, 0 deletions
diff --git a/assembler/disasm-main.c b/assembler/disasm-main.c new file mode 100644 index 0000000..5bc75af --- /dev/null +++ b/assembler/disasm-main.c @@ -0,0 +1,172 @@ +/* + * 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); +} |