intel-gen4asm: have a C-like binary output

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>

diff --git a/assembler/src/main.c b/assembler/src/main.c
index def2655..a465f08 100644 (file)
--- a/assembler/src/main.c
+++ b/assembler/src/main.c
@@ -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);