diff --git a/src/link.ld b/src/link.ld
index 1fcfe61..c88244b 100644
--- a/src/link.ld
+++ b/src/link.ld
@@ -7,6 +7,8 @@ SECTIONS {
 	.text : {
 		*(.kernel_code*);
 		*(.start_code*);
+        start_code_end = .;
+        /* everything below this code may get overwritten at runtime */
 		*(.text*);
 		/* Tell linker to not garbage collect this section as it is not referenced anywhere */
 		KEEP(*(.kernel_code*));
@@ -24,4 +26,5 @@ SECTIONS {
 	}
 }
 
-ASSERT((SIZEOF(.text) + SIZEOF(.data)) <  (0x00900000 - 0x00808000), "elf is too big");
\ No newline at end of file
+ASSERT((SIZEOF(.text) + SIZEOF(.data)) <  (0x00900000 - 0x00808000), "elf is too big");
+ASSERT(start_code_end <= 0x00809000, "start_code section is too big");
\ No newline at end of file