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| author | Andreas Baumann <mail@andreasbaumann.cc> | 2017-06-09 17:43:01 +0200 |
|---|---|---|
| committer | Andreas Baumann <mail@andreasbaumann.cc> | 2017-06-09 17:43:01 +0200 |
| commit | 13e26c52945650293ccc5c6c31e1470f043d7d10 (patch) | |
| tree | 7d0771bd8b609c85d146cc2aa04b98534423d731 /src/Makefile | |
| parent | c5320e104bf9cf6f8ec897d5a2b6679d21885906 (diff) | |
| download | abaos-13e26c52945650293ccc5c6c31e1470f043d7d10.tar.gz abaos-13e26c52945650293ccc5c6c31e1470f043d7d10.tar.bz2 | |
fixed stage 1 boot loader problems (worked in some BIOSes across
the 2 times sector/track limit). loading sectors one by one now
fixed also spin down problem after loading stage 2 and the kernel
for now tested with 1.44 MB floppies (both real and in bochs/qemu)
Diffstat (limited to 'src/Makefile')
| -rw-r--r-- | src/Makefile | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/Makefile b/src/Makefile index 615c3b6..24d0088 100644 --- a/src/Makefile +++ b/src/Makefile @@ -14,10 +14,14 @@ all: image.bin kernel.sym # + 1 * 512 = 512 for magic.bin # (M + N + 1 is the number of sectors to be read in stage 2, as stage 1 # loads only the first sector, so adapt NOF_LOAD_SECTORS to 38) +# then we make sure the image has the size of a 1.44 MB floppy +# (emulators like qemu do some guess work for CHS resolution based +# on the size of the image) image.bin: boot.bin kernel.bin magic.bin cat boot.bin kernel.bin > image.tmp truncate -s 19456 image.tmp cat image.tmp magic.bin > image.bin + truncate -s 1474560 image.bin boot.bin: boot.asm boot_gdt.asm stage1_functions.asm stage2_functions.asm stage2_switch_mode.asm stage2_a20.asm $(NASM) boot.asm -DMAGIC='"$(MAGIC)"' -f bin -o boot.bin @@ -94,11 +98,11 @@ clean: -rm -f boot.bin kernel.bin kernel.sym kernel.elf image.bin magic.bin *.o boot.map image.tmp run-qemu: image.bin - qemu-system-i386 -net nic,model=ne2k_pci -d guest_errors -m 32 -drive "file=image.bin,if=ide,format=raw" \ + qemu-system-i386 -net nic,model=ne2k_pci -d guest_errors -m 32 -drive "file=image.bin,if=floppy,format=raw" \ -serial file:serial.log run-qemu-debug: image.bin - qemu-system-i386 -net nic,model=ne2k_pci -S -s -d guest_errors -m 32 -drive "file=image.bin,if=ide,format=raw" \ + qemu-system-i386 -net nic,model=ne2k_pci -S -s -d guest_errors -m 32 -drive "file=image.bin,if=floppy,format=raw" \ -serial file:serial.log run-bochs: |