Try using linkerscript embedding for menu binary

This puts it in text section, at least

Author: bradonkanyid

code/veccart/Makefile

@@ -46,7 +46,7 @@ ASFLAGS += -DHW_VER=$(HW_VER_VAL)
 BINARY=veccart
 OBJS=main.o menu.o romemu.o msc.o xprintf.o usb_msc.o ff_diskio.o \
 		fatfs/ff.o fatfs/option/unicode.o flash.o led.o delay.o \
-		highscore.o multicart.o
+		highscore.o
 
 LIBNAME = opencm3_stm32f4
 ARCH_FLAGS = -mfloat-abi=hard -mfpu=fpv4-sp-d16 -mthumb -mcpu=cortex-m4 -DSTM32F4
@@ -123,7 +123,7 @@ rom.o: rom.inc rom.c rom.h
 %.list: %.elf
 	$(VERBOSE)$(OBJDUMP) -S $(*).elf > $(*).list
 
-%.elf: $(OBJS) $(LDSCRIPT)
+%.elf: $(OBJS) $(LDSCRIPT) multicart.ld
 	$(LD) -o $(*).elf $(OBJS) $(LDFLAGS)
 	$(PREFIX)-size $(*).elf
 
@@ -135,8 +135,8 @@ multicart:
 	make -C ../multicart/
 	cp ../multicart/multicart.bin ./multicart
 
-multicart.o: multicart
-	$(BINLD) -r -b binary -o $@ $<
+multicart.ld: multicart
+	cat $< | hexdump -v -e '"BYTE(0x" 1/1 "%02X" ")\n"' > $@
 
 clean:
 	rm -f multicart

code/veccart/main.c

@@ -50,9 +50,8 @@
 
 // Externs
 extern GameFileRecord* pActiveGameData;
-extern char* _binary_multicart_start;
-extern char* _binary_multicart_end;
-extern size_t* _binary_multicart_size;
+extern char* multicart_start;
+extern char* multicart_end;
 
 //Memory for the menu ROM and the running cartridge.
 //We keep both in memory so we can quickly exchange them when a reset has been detected.
@@ -130,7 +129,7 @@ void loadRomWithHighScore(char *fn, bool load_hs_mode, bool use_embedded_menu) {
 		n = sizeof(menuData);
 	}
 	if (romData == menuData && use_embedded_menu == true) {
-		memcpy(menuData, _binary_multicart_start, *_binary_multicart_size);
+		memcpy(menuData, multicart_start, multicart_start-multicart_end);
 	} else {
 		fr = f_open(&f, fn, FA_READ);
 		if (fr) {

code/veccart/stm32f411rct6.ld

@@ -7,3 +7,17 @@ ram (rwx) : ORIGIN = 0x20000400, LENGTH = 127K
 }
 /* Include the common ld script. */
 INCLUDE cortex-m-generic.ld
+
+SECTIONS {
+    .text : {
+
+        /* ... */
+
+        multicart_start = .;
+        INCLUDE "multicart.ld" ;
+        multicart_end = .;
+
+       /* ... */
+    }
+}
+