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| author | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-04-13 18:00:32 +0200 |
|---|---|---|
| committer | Johannes Stoelp <johannes.stoelp@gmail.com> | 2025-04-13 18:00:32 +0200 |
| commit | b1640f63048e60c3289f81effd8930adc45d705a (patch) | |
| tree | 647f59d41effcbd358aedff455a0fc97be1d7bf0 | |
| parent | 67fcf81d046d2f77689a5eb0b8f92955f8f48cfb (diff) | |
| download | zig-playground-b1640f63048e60c3289f81effd8930adc45d705a.tar.gz zig-playground-b1640f63048e60c3289f81effd8930adc45d705a.zip | |
e820: reduce code size
Run into 512 byte size limit with different version of the compiler.
Try to reduce code size by not emitting instructions to save/restore
the frame pointer (not really needed for this toy example).
| -rw-r--r-- | x86-bare-metal/mbr-e820/Makefile | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/x86-bare-metal/mbr-e820/Makefile b/x86-bare-metal/mbr-e820/Makefile index 5dc465f..99ed9d8 100644 --- a/x86-bare-metal/mbr-e820/Makefile +++ b/x86-bare-metal/mbr-e820/Makefile @@ -1,6 +1,6 @@ O := BUILD -COMMON_FLAGS := -fno-unwind-tables -fno-strip -target x86-freestanding-code16 -O ReleaseSmall -mcpu=i386 +COMMON_FLAGS := -fno-unwind-tables -fno-strip -target x86-freestanding-code16 -O ReleaseSmall -mcpu=i386 -fomit-frame-pointer $(O)/boot: $(O)/boot.elf | check_ep dump_info objcopy -O binary $< $@ |