Use ld's fill command instead of doing it manually with mkrom

ld/pd.ld

@@ -636,6 +636,13 @@ SECTIONS
 	_accessingpakSegmentRomEnd = 0;
 #endif
 
+	.fill : AT(__rompos)
+	{
+		FILL(0xff);
+		. = 0x02000000 - __rompos - 1;
+		BYTE(0xff);
+	}
+
 	/DISCARD/ : {
 		* (.MIPS.abiflags);
 		* (.options);

tools/mkrom/main.c

@@ -63,7 +63,6 @@ int main(int argc, char **argv)
 	pack_lib();
 	pack_data();
 	pack_game();
-	pack_fill();
 
 	rom_update_crc();
 

tools/mkrom/mkrom.h

@@ -71,7 +71,6 @@ bool map_get_segment_rompos(char *funcname, uint32_t *start, uint32_t *end);
 void pack_lib(void);
 void pack_data(void);
 void pack_game(void);
-void pack_fill(void);
 
 void piracy_patch(void);
 

tools/mkrom/pack.c

@@ -134,24 +134,3 @@ void pack_lib(void)
 
 	free(buffer);
 }
-
-/**
- * Fill from the end of the last segment to the end of the ROM with 0xff.
- */
-void pack_fill(void)
-{
-	uint32_t offset;
-
-	map_get_segment_rompos("accessingpak", NULL, &offset);
-
-	if (offset == 0) {
-		// We're probably building ntsc-beta, which doesn't have the
-		// accessingpak segment.
-		map_get_segment_rompos("copyright", NULL, &offset);
-	}
-
-	while (offset < 1024 * 1024 * 32) {
-		state.rom[offset] = 0xff;
-		offset++;
-	}
-}