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Use linker script to add boot sector magic

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This commit is contained in:
Paul Mathieu
2025-09-29 17:45:21 +02:00
parent 7cbd423ef9
commit 50e3017c5c
2 changed files with 5 additions and 3 deletions
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3
Makefile
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@@ -23,11 +23,8 @@ LDFLAGS = -mregparmcall -Wl,--gc-sections -Os -nostdlib -flto
ia16-elf-objcopy -O binary $< $@ ia16-elf-objcopy -O binary $< $@
bootsectors = fat12boot.bin wozmon.bin bootsectors = fat12boot.bin wozmon.bin
$(bootsectors): $(bootsectors):
ia16-elf-objcopy -O binary $< $@ ia16-elf-objcopy -O binary $< $@
truncate -s 510 $@
printf "\125\252" >> $@
fat12boot.elf: fat12boot.o fat12.o bootsect.S fat12boot.elf: fat12boot.o fat12.o bootsect.S
fat12boot.elf: LDFLAGS += -T bootsect.ld fat12boot.elf: LDFLAGS += -T bootsect.ld

5
bootsect.ld
View File

@@ -17,4 +17,9 @@ SECTIONS {
.data : { .data : {
*(.data) *(.data)
} }
. = 0x7dfe;
.magic : {
SHORT(0xAA55);
}
} }