From: Michael Gernoth <michael@gernoth.net>
Date: Wed, 28 Jan 2009 20:34:53 +0000 (+0100)
Subject: use a struct for the property fields
X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/rsbs2/commitdiff_plain/39601b0e14fba4df3a556a84b1aae3d0c15cea7b?ds=sidebyside

use a struct for the property fields
---

diff --git a/firmware.c b/firmware.c
index 0361634..a5bdfdb 100644
--- a/firmware.c
+++ b/firmware.c
@@ -11,7 +11,21 @@
 
 #define FINDSTR(addr, str) (!strncmp((char*)addr, str, strlen(str)))
 
-void handle_defaults(unsigned char *fw, int len, int patch)
+struct properties {
+	unsigned int magic;
+	unsigned char unknown0;
+	unsigned char unknown1;
+	unsigned char right_rw;
+	unsigned char rw_mask;
+	unsigned char type1;
+	unsigned char unknown5;
+	unsigned char unknown6;
+	unsigned char unknown7;
+	unsigned char type2;
+	unsigned char val[];
+};
+
+void show_properties(unsigned char *fw, int len)
 {
 	int i;
 
@@ -19,50 +33,35 @@ void handle_defaults(unsigned char *fw, int len, int patch)
 		if (FINDSTR(fw+i, "/default/fw_prop/") ||
 		    FINDSTR(fw+i, "/default/fw_setup/") ||
 		    FINDSTR(fw+i, "/default/oem_prop/")) {
+		    	struct properties *prop;
 		    	unsigned char *pos = fw + i;
-			unsigned char type1, type2;
-			unsigned char right_rw, rw_mask;
-			unsigned char *val;
 
 			printf("0x%08x: found setting: %s: ", i, pos);
-			
-			pos += strlen((char*)pos) + 1;
 
-			if ((pos[0] != 0x11) ||
-			    (pos[1] != 0x11) ||
-			    (pos[2] != 0x01) ||
-			    (pos[3] != 0x83)) {
+			prop = (struct properties*)(pos + strlen((char*)pos) + 1);
+			
+			if (prop->magic != 0x83011111) {
 				printf("ignoring...\n");
 				continue;
 			}
 
-
-			pos += 4;
-
-			right_rw = pos[2];
-			rw_mask = pos[3];
-
-			type1 = pos[4];
-			type2 = pos[8];
-			val = pos + 9;
-
-			if (type1 == 0x00 && type2 == 0x04) {
-				printf("STRING: %s ", val);
-			} else if (type1 == 0x01 && type2 == 0x01) {
-				printf("BOOL: %s ",(*val ? "TRUE" : "FALSE"));
-			} else if (type1 == 0x04 && type2 == 0x02) {
-				printf("VAL: 0x%x ", *((unsigned int*)val));
+			if (prop->type1 == 0x00 && prop->type2 == 0x04) {
+				printf("STRING: %s ", prop->val);
+			} else if (prop->type1 == 0x01 && prop->type2 == 0x01) {
+				printf("BOOL: %s ",(*prop->val ? "TRUE" : "FALSE"));
+			} else if (prop->type1 == 0x04 && prop->type2 == 0x02) {
+				printf("VAL: 0x%x ", *((unsigned int*)prop->val));
 			} else {
-				printf("0x%02x 0x%2x...ignoring\n", type1, type2);
+				printf("0x%02x 0x%2x...ignoring\n", prop->type1, prop->type2);
 				continue;
 			}
 
-			if (right_rw == 0x00 && rw_mask == 0x00) {
+			if (prop->right_rw == 0x00 && prop->rw_mask == 0x00) {
 				printf("(R-) ");
-			} else if (right_rw == 0x01) {
-				printf("(RW mask: 0x%02x) ", rw_mask);
+			} else if (prop->right_rw == 0x01) {
+				printf("(RW mask: 0x%02x) ", prop->rw_mask);
 			} else {
-				printf("(UNK 0x%02x 0x%02x) ", right_rw, rw_mask);
+				printf("(UNK 0x%02x 0x%02x) ", prop->right_rw, prop->rw_mask);
 			}
 			printf("\n");
 		}
@@ -124,7 +123,7 @@ int main(int argc, char **argv)
 		oldcrc);
 	
 	if (1) {
-		handle_defaults(fw, statbuf.st_size - 4, 0);
+		show_properties(fw, statbuf.st_size - 4);
 		handle_boarddescription(fw, statbuf.st_size - 4, 0);
 		if (0) {
 			ret = rsb_crc2(fw, statbuf.st_size, 0x55335053, &crc);