Added check on SAM4E that flash memory has not overflowed

dc42 · dc42 · commit e983896d5d1e · 2022-10-01T11:08:17.000+01:00
diff --git a/src/Hardware/SAM4E/sam4e8e_flash.ld b/src/Hardware/SAM4E/sam4e8e_flash.ld
@@ -120,6 +120,9 @@ SECTIONS
 	_firmware_end = _etext + (_erelocate - _srelocate);		/* Embedded files start here */
 	_firmware_crc = _firmware_end;							/* We append the CRC32 to the binary file. This is its offset in memory if we don't append embedded files */
 
+	/* check that CRC is within flash memory */
+    ASSERT(_firmware_crc + 4 <= ORIGIN(rom) + LENGTH(rom), "region ROM overflowed")
+
     /* .bss section which is used for uninitialized data */
     .bss ALIGN(4) (NOLOAD) :
     {

Original file line number	Diff line number	Diff line change
`@@ -120,6 +120,9 @@ SECTIONS`
`120`	`120`	`_firmware_end = _etext + (_erelocate - _srelocate); /* Embedded files start here */`
`121`	`121`	`_firmware_crc = _firmware_end; /* We append the CRC32 to the binary file. This is its offset in memory if we don't append embedded files */`
`122`	`122`
	`123`	`+ /* check that CRC is within flash memory */`
	`124`	`+ ASSERT(_firmware_crc + 4 <= ORIGIN(rom) + LENGTH(rom), "region ROM overflowed")`
	`125`	`+`
`123`	`126`	`/* .bss section which is used for uninitialized data */`
`124`	`127`	`.bss ALIGN(4) (NOLOAD) :`
`125`	`128`	`{`