X-Git-Url: https://jxself.org/git/?a=blobdiff_plain;f=disassembler%2Fmain.c;h=dbd2b5f066aa1a1bbbeb701ec4247b5ffd0ecac8;hb=5f64c0b044987477a749708afa6ce673609cd42c;hp=8ae804077b7055552788cac7fffd80a346a0b958;hpb=2e928c1b94243e38477f113b92d78876a15439be;p=b43-tools.git

diff --git a/disassembler/main.c b/disassembler/main.c
index 8ae8040..dbd2b5f 100644
--- a/disassembler/main.c
+++ b/disassembler/main.c
@@ -11,6 +11,7 @@
  *   GNU General Public License for more details.
  */
 
+#include "main.h"
 #include "list.h"
 #include "util.h"
 #include "args.h"
@@ -20,20 +21,6 @@
 #include <stdlib.h>
 #include <string.h>
 
-#define ARRAY_SIZE(x)	(sizeof(x)/sizeof(x[0]))
-
-/* The header that fwcutter puts in to every .fw file */
-struct fw_header {
-	/* Type of the firmware data */
-	uint8_t type;
-	/* Version number of the firmware data format */
-	uint8_t ver;
-	uint8_t __padding[2];
-	/* Size of the data. For ucode and PCM this is in bytes.
-	 * For IV this is in number-of-ivs. */
-	uint32_t size;
-} __attribute__ ((__packed__));
-
 
 struct bin_instruction {
 	unsigned int opcode;
@@ -552,9 +539,13 @@ static void disasm_opcodes(struct disassembler_context *ctx)
 			snprintf(str, 5, "0x%02X", (bin->opcode & 0x0FF));
 			stmt->u.insn.operands[0] = str;
 
-			disasm_std_operand(stmt, 0, 1, 0);
-			disasm_std_operand(stmt, 1, 2, 0);
-			stmt->u.insn.is_labelref = 3;
+			/* We don't disassemble the first and second operand, as
+			 * that always is a dummy r0 operand.
+			 * disasm_std_operand(stmt, 0, 1, 0);
+			 * disasm_std_operand(stmt, 1, 2, 0);
+			 * stmt->u.insn.is_labelref = 3;
+			 */
+			stmt->u.insn.is_labelref = 1;
 			stmt->u.insn.labeladdr = stmt->u.insn.bin->operands[2];
 			break;
 		case 0x700:
@@ -564,9 +555,13 @@ static void disasm_opcodes(struct disassembler_context *ctx)
 			snprintf(str, 5, "0x%02X", (bin->opcode & 0x0FF));
 			stmt->u.insn.operands[0] = str;
 
-			disasm_std_operand(stmt, 0, 1, 0);
-			disasm_std_operand(stmt, 1, 2, 0);
-			stmt->u.insn.is_labelref = 3;
+			/* We don't disassemble the first and second operand, as
+			 * that always is a dummy r0 operand.
+			 * disasm_std_operand(stmt, 0, 1, 0);
+			 * disasm_std_operand(stmt, 1, 2, 0);
+			 * stmt->u.insn.is_labelref = 3;
+			 */
+			stmt->u.insn.is_labelref = 1;
 			stmt->u.insn.labeladdr = stmt->u.insn.bin->operands[2];
 			break;
 		default:
@@ -643,6 +638,7 @@ static void emit_asm(struct disassembler_context *ctx)
 	struct statement *stmt;
 	int first, i;
 	int err;
+	unsigned int addr = 0;
 
 	err = open_output_file();
 	if (err)
@@ -652,11 +648,13 @@ static void emit_asm(struct disassembler_context *ctx)
 	list_for_each_entry(stmt, &ctx->stmt_list, list) {
 		switch (stmt->type) {
 		case STMT_INSN:
+			if (cmdargs.print_addresses)
+				fprintf(outfile, "/* %03X */", addr);
 			fprintf(outfile, "\t%s", stmt->u.insn.name);
 			first = 1;
 			for (i = 0; i < ARRAY_SIZE(stmt->u.insn.operands); i++) {
 				if (stmt->u.insn.is_labelref == i) {
-					fprintf(outfile, ",%s",
+					fprintf(outfile, ", %s",
 						stmt->u.insn.labelref->u.label.name);
 				}
 				if (!stmt->u.insn.operands[i])
@@ -664,12 +662,13 @@ static void emit_asm(struct disassembler_context *ctx)
 				if (first)
 					fprintf(outfile, "\t");
 				if (!first)
-					fprintf(outfile, ",");
+					fprintf(outfile, ", ");
 				first = 0;
 				fprintf(outfile, "%s",
 					stmt->u.insn.operands[i]);
 			}
 			fprintf(outfile, "\n");
+			addr++;
 			break;
 		case STMT_LABEL:
 			fprintf(outfile, "%s:\n", stmt->u.label.name);
@@ -694,18 +693,20 @@ static int read_input(struct disassembler_context *ctx)
 	if (err)
 		goto error;
 
-	ret = fread(&hdr, 1, sizeof(hdr), infile);
-	if (ret != sizeof(hdr)) {
-		fprintf(stderr, "Corrupt input file (not fwcutter output)\n");
-		goto err_close;
-	}
-	if (hdr.type != 'u') {
-		fprintf(stderr, "Corrupt input file. Not a microcode image.\n");
-		goto err_close;
-	}
-	if (hdr.ver != 1) {
-		fprintf(stderr, "Invalid input file header version.\n");
-		goto err_close;
+	if (!cmdargs.no_header) {
+		ret = fread(&hdr, 1, sizeof(hdr), infile);
+		if (ret != sizeof(hdr)) {
+			fprintf(stderr, "Corrupt input file (not fwcutter output)\n");
+			goto err_close;
+		}
+		if (hdr.type != FW_TYPE_UCODE) {
+			fprintf(stderr, "Corrupt input file. Not a microcode image.\n");
+			goto err_close;
+		}
+		if (hdr.ver != FW_HDR_VER) {
+			fprintf(stderr, "Invalid input file header version.\n");
+			goto err_close;
+		}
 	}
 
 	while (1) {