Use linker script to add boot sector magic

2025-09-29 17:45:21 +02:00
parent 7cbd423ef9
commit 50e3017c5c
2 changed files with 5 additions and 3 deletions
--- a/3
+++ b/3
@@ -23,11 +23,8 @@ LDFLAGS = -mregparmcall -Wl,--gc-sections -Os -nostdlib -flto
 	ia16-elf-objcopy -O binary $< $@

 bootsectors = fat12boot.bin wozmon.bin
-
 $(bootsectors):
 	ia16-elf-objcopy -O binary $< $@
-	truncate -s 510 $@
-	printf "\125\252" >> $@

 fat12boot.elf: fat12boot.o fat12.o bootsect.S
 fat12boot.elf: LDFLAGS += -T bootsect.ld
--- a/bootsect.ld
+++ b/bootsect.ld
@@ -17,4 +17,9 @@ SECTIONS {
    .data : {
        *(.data)
    }
+
+    . = 0x7dfe;
+    .magic : {
+        SHORT(0xAA55);
+    }
 }