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intel-gen4asm: have a C-like binary output

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Have the assembler support a byte array output. This is useful for
writing blobs which can directly be linked code that wishes to upload to
the EU.

Signed-off-by: Ben Widawsky <ben@bwidawsk.net>
This commit is contained in:
Ben Widawsky 2011-03-17 18:57:59 -07:00 committed by Damien Lespiau
parent e7f4dc6e39
commit cbfab5f415
1 changed files with 47 additions and 6 deletions
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53
assembler/src/main.c
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@ -40,10 +40,13 @@ extern int errors;
long int gen_level = 4;
int advanced_flag = 0; /* 0: in unit of type, 1: in unit of data element size */
int binary_like_output = 0; /* 0: default type, 1: nice c like output */
int need_export = 0;
char *input_filename = "<stdin>";
char *export_filename = NULL;
const char const *binary_prepend = "static const char gen_eu_bytes[] = {\n";
struct brw_program compiled_program;
struct program_defaults program_defaults;
@ -53,6 +56,7 @@ static struct declared_register *declared_register_table[HASHSZ];
static const struct option longopts[] = {
{"advanced", no_argument, 0, 'a'},
{"binary", no_argument, 0, 'b'},
{"export", required_argument, 0, 'e'},
{"input_list", required_argument, 0, 'l'},
{"output", required_argument, 0, 'o'},
@ -65,6 +69,7 @@ static void usage(void)
fprintf(stderr, "usage: intel-gen4asm [options] inputfile\n");
fprintf(stderr, "OPTIONS:\n");
fprintf(stderr, "\t-a, --advanced Set advanced flag\n");
fprintf(stderr, "\t-b, --binary C style binary output\n");
fprintf(stderr, "\t-e, --export {exportfile} Export label file\n");
fprintf(stderr, "\t-l, --input_list {entrytablefile} Input entry_table_list file\n");
fprintf(stderr, "\t-o, --output {outputfile} Specify output file\n");
@ -168,6 +173,38 @@ static int is_entry_point(char *s)
return 0;
}
static void
print_instruction(FILE *output, struct brw_program_instruction *entry)
{
if (binary_like_output) {
fprintf(output, "\t0x%02x, 0x%02x, 0x%02x, 0x%02x, "
"0x%02x, 0x%02x, 0x%02x, 0x%02x,\n"
"\t0x%02x, 0x%02x, 0x%02x, 0x%02x, "
"0x%02x, 0x%02x, 0x%02x, 0x%02x,\n",
((unsigned char *)(&entry->instruction))[0],
((unsigned char *)(&entry->instruction))[1],
((unsigned char *)(&entry->instruction))[2],
((unsigned char *)(&entry->instruction))[3],
((unsigned char *)(&entry->instruction))[4],
((unsigned char *)(&entry->instruction))[5],
((unsigned char *)(&entry->instruction))[6],
((unsigned char *)(&entry->instruction))[7],
((unsigned char *)(&entry->instruction))[8],
((unsigned char *)(&entry->instruction))[9],
((unsigned char *)(&entry->instruction))[10],
((unsigned char *)(&entry->instruction))[11],
((unsigned char *)(&entry->instruction))[12],
((unsigned char *)(&entry->instruction))[13],
((unsigned char *)(&entry->instruction))[14],
((unsigned char *)(&entry->instruction))[15]);
} else {
fprintf(output, " { 0x%08x, 0x%08x, 0x%08x, 0x%08x },\n",
((int *)(&entry->instruction))[0],
((int *)(&entry->instruction))[1],
((int *)(&entry->instruction))[2],
((int *)(&entry->instruction))[3]);
}
}
int main(int argc, char **argv)
{
char *output_file = NULL;
@ -177,7 +214,7 @@ int main(int argc, char **argv)
struct brw_program_instruction *entry, *entry1, *tmp_entry;
int err, inst_offset;
char o;
while ((o = getopt_long(argc, argv, "e:l:o:g:a", longopts, NULL)) != -1) {
while ((o = getopt_long(argc, argv, "e:l:o:g:ab", longopts, NULL)) != -1) {
switch (o) {
case 'o':
if (strcmp(optarg, "-") != 0)
@ -198,6 +235,9 @@ int main(int argc, char **argv)
case 'a':
advanced_flag = 1;
break;
case 'b':
binary_like_output = 1;
break;
case 'e':
need_export = 1;
@ -317,20 +357,21 @@ int main(int argc, char **argv)
}
if (binary_like_output)
fprintf(output, "%s", binary_prepend);
for (entry = compiled_program.first;
entry != NULL;
entry = entry1) {
entry1 = entry->next;
if (!entry->islabel)
fprintf(output, " { 0x%08x, 0x%08x, 0x%08x, 0x%08x },\n",
((int *)(&entry->instruction))[0],
((int *)(&entry->instruction))[1],
((int *)(&entry->instruction))[2],
((int *)(&entry->instruction))[3]);
print_instruction(output, entry);
else
free(entry->string);
free(entry);
}
if (binary_like_output)
fprintf(output, "};");
free_register_table();
fflush (output);