diff options
| -rw-r--r-- | GNU_efi_HelloWorld/Makefile | 31 | ||||
| -rw-r--r-- | GNU_efi_HelloWorld/hello.c | 11 | ||||
| -rw-r--r-- | GNU_efi_HelloWorld/hello.o | bin | 0 -> 1696 bytes |
3 files changed, 42 insertions, 0 deletions
diff --git a/GNU_efi_HelloWorld/Makefile b/GNU_efi_HelloWorld/Makefile new file mode 100644 index 0000000..4f00d4a --- /dev/null +++ b/GNU_efi_HelloWorld/Makefile @@ -0,0 +1,31 @@ +ARCH = $(shell uname -m | sed s,i[3456789]86,ia32,) + +OBJS = main.o +TARGET = hello.efi + +EFIINC = /usr/include/efi +EFFINCS = -I$(EFFINC) -I$(EFIINC)/$(ARCH) -I$(EFIINC)/protocol +LIB = /usr/lib64 +EFILIB = /usr/lib64/gnuefi +EFI_CRT_OBJS = $(EFILIB)/crt0-efi-$(ARCH).o +EFI_LDS = $(EFILIB)/elf_$(ARCH)_efi.lds + +CFLAGS = $(EFFINCS) -fno-stack-protector -fpic \ + -fshort-wchar -mno-red-zone -Wall + +ifeq ($(ARCH),x86_64) + CFLAGS += -DEFI_FUNCTION_WRAPPER +endif + +LDFLAGS = -nostdlib -znocombreloc -T $(EFI_LDS) -shared \ + -Bsymbolic -L $(EFILIB) -L $(LIB) $(EFI_CRT_OBJS) + +all: $(TARGET) + +hello.so: $(OBJS) + ld $(LDFLAGS) $(OBJS) -o $@ -lefi -lgnuefi + +%.efi: %.so + objcopy -j .text -j .sdata -j .data -j .dynamic \ + -j .dynsym -j .rel -j .rela -j .reloc \ + --target=efi-app-$(ARCH) $^ $@ diff --git a/GNU_efi_HelloWorld/hello.c b/GNU_efi_HelloWorld/hello.c new file mode 100644 index 0000000..26cbd42 --- /dev/null +++ b/GNU_efi_HelloWorld/hello.c @@ -0,0 +1,11 @@ +#include <efi.h> +#include <efilib.h> + +EFI_STATUS +EFIAPI +efi_main (EFI_HANDLE ImageHandle, EFI_SYSTEM_TABLE *SystemTable) { + InitializeLib(ImageHandle, SystemTable); + Print(L"Hello, world!\n"); + + return EFI_SUCCESS; +} diff --git a/GNU_efi_HelloWorld/hello.o b/GNU_efi_HelloWorld/hello.o Binary files differnew file mode 100644 index 0000000..6e14a71 --- /dev/null +++ b/GNU_efi_HelloWorld/hello.o |