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| author | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-04-13 18:03:57 +0200 |
|---|---|---|
| committer | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-04-14 22:43:55 +0200 |
| commit | 2449af676962af487dabc8099862e5c404d9efd8 (patch) | |
| tree | bdddfb9a2c7208669074827506850f8b95df1d5e /x86-bare-metal/mbr-textmode/Makefile | |
| parent | 95ee682b853ef61c7cc16c8c14a4a54cc42ce197 (diff) | |
| download | zig-playground-2449af676962af487dabc8099862e5c404d9efd8.tar.gz zig-playground-2449af676962af487dabc8099862e5c404d9efd8.zip | |
mbr: add vga text mode example
Diffstat (limited to 'x86-bare-metal/mbr-textmode/Makefile')
| -rw-r--r-- | x86-bare-metal/mbr-textmode/Makefile | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/x86-bare-metal/mbr-textmode/Makefile b/x86-bare-metal/mbr-textmode/Makefile new file mode 100644 index 0000000..7642791 --- /dev/null +++ b/x86-bare-metal/mbr-textmode/Makefile @@ -0,0 +1,28 @@ +O := BUILD + +$(O)/boot: $(O)/boot.elf | dump_info + objcopy -O binary $< $@ + +$(O)/boot.elf: mbr.ld $(O)/mbr.o $(O)/zmbr.o + ld -o $@ -nostdlib -T $^ + +$(O)/mbr.o: mbr.S | $(O) + gcc -m32 -c -o $@ -ffreestanding mbr.S + +$(O)/zmbr.o: zmbr.zig | $(O) + zig build-obj -femit-bin=$@ -target x86-freestanding-none -O ReleaseSmall $< + +clean: + $(RM) -r $(O) + +$(O): + mkdir -p $(O) + +dump_info: $(O)/boot.elf + objdump -Mintel --disassemble=kmain --visualize-jumps=extended-color $< + readelf -W -l $< + size $< + size $< | awk '/$(notdir $<)/ { print "MBR utilization " $$1/512 "%" }' + +run: $(O)/boot + qemu-system-i386 -hda $< $(QEMU_ARGS) |