Set fixed alignment and base address to allow execution under BIOS

boot/xtldr/CMakeLists.txt

@@ -39,6 +39,9 @@ add_executable(xtldr ${XTLDR_SOURCE})
 # Add linker libraries
 target_link_libraries(xtldr libxtos)
 
+# Add linker options
+target_link_options(xtldr PRIVATE /ALIGN:512 /DYNAMICBASE:NO /FIXED)
+
 # Set proper binary name and install target
 if(ARCH STREQUAL "i686")
 	set(BINARY_NAME "bootia32")