Changeset 4606

Timestamp:

08/25/08 20:38:51 (5 years ago)

Author:

werner

Message:

• added S3C24xx SPI register definitions
• added "C" dump mode (experimental)

Location:

developers/werner/greg

Files:

• greg.c (modified) (3 diffs)
• s3c24xx-spi.greg (added)

developers/werner/greg/greg.c

@@ -15 +15 @@
 #include <stdlib.h>
 #include <stdio.h>
+#include <string.h>
 
 #include "reg.h"
@@ -103 +104 @@
 
 
+static void dump_c_values(const char *reg_name, const struct field *field)
+{
+        const char *name;
+        unsigned long long i;
+
+        if (field->value.type != vt_list)
+                return;
+        for (i = 0; i != 1 << field->bits; i++) {
+                name = field->value.u.list[i].name;
+                if (name)
+                        printf("#define %s_%s_%s %llu\n",
+                            reg_name, field->name, name, i);
+        }
+}
+
+
+static void dump_c(void)
+{
+        const struct reg *reg;
+        const struct field *field;
+        int bits;
+
+        for (reg = regs; reg; reg = reg->next) {
+                printf("#define %s %s\n", reg->name, reg->id);
+                bits = 0;
+                for (field = reg->fields; field; field = field->next) {
+                        if (field->name) {
+                                printf("#define %s_%s %d\n",
+                                    reg->name, field->name, bits);
+                                dump_c_values(reg->name, field);
+                        }
+                        bits += field->bits;
+                }
+        }
+}
+
+
 static void usage(const char *name)
 {
         fprintf(stderr, "usage: %s regdef-file [reg value ...]\n", name);
+        fprintf(stderr, "       %s regdef-file -d\n", name);
         exit(1);
 }
@@ -114 +153 @@
         int i;
 
-        if (argc < 2 || (argc & 1))
+        if (argc < 2)
                 usage(*argv);
         run_cpp_on_file(argv[1]);
         (void) yyparse();
+        if (argc == 3 && !strcmp(argv[2], "-d")) {
+                dump_c();
+                return 0;
+        }
+        if (argc & 1)
+                usage(*argv);
         for (i = 2; i != argc; i += 2)
                 print(argv[i], strtoull(argv[i+1], NULL, 0));
         return 0;
-        
 }