diff options
| author | Ian M. <ian@aptel.org> | 2026-09-11 03:45:03 +0000 |
|---|---|---|
| committer | Ian M. <ian@aptel.org> | 2026-09-11 03:46:03 +0000 |
| commit | 4f97daf67e0baaf64251b5643af5c9552c522156 (patch) | |
| tree | a9a45abcf288fa538b03fb566d2ee5c069b2af4e /Makefile | |
initial commit
Signed-off-by: Ian M. <ian@aptel.org>
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/Makefile b/Makefile new file mode 100644 index 0000000..2eb84ed --- /dev/null +++ b/Makefile @@ -0,0 +1,67 @@ +# +# Copyright (c) 2026, Apollo Telephone Laboratories. +# Provided under the BSD-3 clause. +# + +CFILES = $(shell find core/ -name "*.c") +OFILES = $(CFILES:.c=.o) +DFILES = $(CFILES:.c=.d) + +CC = gcc +LD = ld + +CFLAGS = \ + -Wall \ + -MMD \ + -pedantic \ + -fpic \ + -ffreestanding \ + -fno-stack-protector \ + -fno-stack-check \ + -fshort-wchar \ + -mno-red-zone \ + -maccumulate-outgoing-args \ + -Ihead \ + -Ignu-efi/inc + +LDFLAGS = \ + -shared \ + -Bsymbolic \ + -Lgnu-efi/x86_64/lib \ + -Lgnu-efi/x86_64/gnuefi \ + -Tgnu-efi/gnuefi/elf_x86_64_efi.lds \ + gnu-efi/x86_64/gnuefi/crt0-efi-x86_64.o + +OBJCOPY_FLAGS = \ + -j .text \ + -j .sdata \ + -j .data \ + -j .rodata \ + -j .dynamic \ + -j .dynsym \ + -j .rel \ + -j .rela \ + -j .rel.* \ + -j .rela.* \ + -j .reloc \ + --output-target efi-app-x86_64 \ + --subsystem=10 + +.PHONY: all +all: prebuild gnu-efi $(OFILES) + ld $(LDFLAGS) $(OFILES) -lgnuefi -lefi -o main.so + objcopy $(OBJCOPY_FLAGS) main.so BOOTX64.EFI + rm -f *.so + +.PHONY: prebuild +prebuild: + echo -e "/* Generated by build; DO NOT edit */\n" >head/sboot/config.h + cat config.def.h >>head/sboot/config.h + +gnu-efi: + git clone https://github.com/ncroxon/gnu-efi.git + cd gnu-efi; make + +-include $(DFILES) +%.o: %.c + $(CC) -c $(CFLAGS) $< -o $@ |