# $NetBSD: Makefile.efiboot,v 1.4 2017/02/04 16:14:04 christos Exp $

S=		${.CURDIR}/../../../../..

NOMAN=		# defined
PROG?=		boot.efi
NEWVERSWHAT?=	"EFI Boot"
VERSIONFILE?=	${.CURDIR}/../version

AFLAGS.start.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}

SOURCES?= start.S conf.c devopen.c efiboot.c self_reloc.c
LIBI386SRCS= boot.c biosdisk.c bootinfo.c bootinfo_biosgeom.c
LIBI386SRCS+= bootmenu.c boot_params.S diskbuf.c exec.c menuutils.c
LIBI386SRCS+= panic.c parseutils.c pread.c
LIBI386SRCS+= eficons.c efidelay.c efidisk.c efidisk_ll.c efigetsecs.c
LIBI386SRCS+= efimemory.c
SRCS= ${SOURCES} ${EXTRA_SOURCES} ${LIBI386SRCS}
.if !make(depend)
SRCS+= vers.c
.endif

PIE_CFLAGS=
PIE_LDFLAGS=
PIE_AFLAGS=

.include <bsd.own.mk>

STRIPFLAG=	# nothing

LIBCRT0=	# nothing
LIBCRTI=	# nothing
LIBCRTBEGIN=	# nothing
LIBCRTEND=	# nothing
LIBC=		# nothing

BINDIR=/usr/mdec
BINMODE=444

.PATH:	${.CURDIR} ${.CURDIR}/..
.PATH:	${.CURDIR}/../../lib

LDSCRIPT?= ${.CURDIR}/ldscript
LDFLAGS+= -nostdlib -T${LDSCRIPT} -Bsymbolic -shared -nocombreloc
CPPFLAGS+= -I$S -I${.CURDIR} -I${.CURDIR}/.. -I$S/lib/libsa
CPPFLAGS+= -I${.OBJDIR}
CPPFLAGS+= -I${.CURDIR}/../../lib

COPTS+= -ffreestanding -fPIC -fshort-wchar -fno-strict-aliasing -fno-builtin
COPTS+= -fno-stack-protector
COPTS+= -Wno-error=unused-but-set-variable
COPTS+= ${${ACTIVE_CC} == "gcc":? -falign-functions=16 :}
CPPFLAGS+= -nostdinc -D_STANDALONE
CPPFLAGS+= -DEFIBOOT

CPPFLAGS+= -Wall -Wmissing-prototypes
CPPFLAGS+= -Wno-pointer-sign

CPPFLAGS+= -DEFI_ALLOCATE_MAX_ADDRESS=0x100000000ULL
CPPFLAGS+= -DHEAP_VARIABLE
CPPFLAGS+= -DSUPPORT_CD9660
CPPFLAGS+= -DSUPPORT_DOSFS
CPPFLAGS+= -DSUPPORT_EXT2FS
CPPFLAGS+= -DPASS_BIOSGEOM
CPPFLAGS+= -DPASS_MEMMAP
CPPFLAGS+= -DLIBSA_ENABLE_LS_OP

EFIDIR= ${S}/external/bsd/gnu-efi/dist
GNUEFIARCH?= ${MACHINE_CPU}
CPPFLAGS+= -I${EFIDIR}/inc -I${EFIDIR}/inc/${GNUEFIARCH}
CPPFLAGS+= -I${EFIDIR}/inc/protocol

SAMISCCPPFLAGS+= -DLIBSA_PRINTF_LONGLONG_SUPPORT
SAMISCCPPFLAGS+= -DLIBSA_PRINTF_WIDTH_SUPPORT
SAMISCMAKEFLAGS+= SA_USE_CREAD=yes      # Read compressed kernels
SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no     # Netboot via TFTP, NFS

### find out what to use for libsa
SA_AS= library
SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
SAMISCMAKEFLAGS+="SA_ENABLE_LS_OP=yes"
.include "${S}/lib/libsa/Makefile.inc"
LIBSA= ${SALIB}

### find out what to use for libkern
KERN_AS= library
LIBKERN_ARCH?= ${MACHINE_ARCH}
KERNMISCMAKEFLAGS+="LIBKERN_ARCH=${LIBKERN_ARCH}"
.include "${S}/lib/libkern/Makefile.inc"
LIBKERN= ${KERNLIB}

### find out what to use for libz
Z_AS= library
.include "${S}/lib/libz/Makefile.inc"
LIBZ= ${ZLIB}

### find out what to use for libgnuefi
GNUEFI_AS= library
LIBGNUEFI_ARCH?= ${MACHINE_ARCH}
GNUEFIMISCMAKEFLAGS+="LIBGNUEFI_ARCH=${LIBGNUEFI_ARCH}"
GNUEFIMISCCPPFLAGS+= -I${EFIDIR}/lib
.include "${S}/lib/libgnuefi/Makefile.inc"
LIBGNUEFI= ${GNUEFILIB}

cleandir distclean: .WAIT cleanlibdir

cleanlibdir:
	-rm -rf lib

LIBLIST= ${LIBGNUEFI} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBSA}

CLEANFILES+= vers.c

vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.efiboot
	${HOST_SH} ${S}/conf/newvers_stand.sh ${VERSIONFILE} x86 ${NEWVERSWHAT}

CLEANFILES+=	${PROG}.so ${PROG}.tmp

${PROG}: ${PROG}.so
	${OBJCOPY} -j .text -j .sdata -j .data -j .dynamic -j .dynsym	\
	    -j .rel -j .rel.* -j .rela -j .rela.* -j .reloc		\
	    --subsystem efi-app	--target=${OBJFMT} ${PROG}.so ${.TARGET}

.include <bsd.prog.mk>

${PROG}.so: ${OBJS} ${LIBLIST} ${LDSCRIPT} ${.CURDIR}/../Makefile.efiboot
	${LD} ${LDFLAGS} -o ${.TARGET}.tmp ${OBJS} ${LIBLIST}
	@if ${OBJDUMP} -t ${.TARGET}.tmp | grep 'UND'; then		\
	    (echo Undefined symbols; false);				\
	fi
	rm -f ${.TARGET}
	mv ${.TARGET}.tmp ${.TARGET}

KLINK_MACHINE?=	${MACHINE}
.include <bsd.klinks.mk>