# $NetBSD: Makefile.efiboot,v 1.21 2023/06/03 08:52:56 lukem Exp $

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

NOMAN=		# defined
NOPIE=		# defined
NOLIBCSANITIZER=# defined
NOSANITIZER=	# defined
NORELRO=	# defined
PROG?=		boot.efi
NEWVERSWHAT?=	"EFI Boot"

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

SOURCES= start.S boot.c conf.c devopen.c dev_net.c self_reloc.c panic.c
SOURCES+= efiboot.c efichar.c eficons.c efidelay.c efidev.c
SOURCES+= efidisk.c efidisk_ll.c efigetsecs.c efimemory.c
SOURCES+= efinet.c efipxe.c
LIBI386SRCS= biosdisk.c bootinfo.c bootinfo_biosgeom.c bootmenu.c
LIBI386SRCS+= diskbuf.c exec.c menuutils.c parseutils.c pread.c
LIBI386SRCS+= exec_multiboot1.c exec_multiboot2.c
# use our own nfs implementation
LIBSASRCS+= nfs.c
SRCS= ${SOURCES} ${EXTRA_SOURCES} ${LIBI386SRCS} ${LIBSASRCS}

.include <bsd.init.mk>

STRIPFLAG=	# nothing

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

BINDIR=/usr/mdec
BINMODE=444

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

LDSCRIPT?= ${.CURDIR}/ldscript
LDFLAGS+= --no-dynamic-linker --noinhibit-exec -z nocombreloc
LDFLAGS+= -nostdlib -T${LDSCRIPT} -Bsymbolic -shared
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+= ${${ACTIVE_CC} == "gcc":? -Wno-error=unused-but-set-variable :}
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+= -D"devb2cdb(bno)=(bno)"
CPPFLAGS+= -DSUPPORT_DOSFS
CPPFLAGS+= -DSUPPORT_EXT2FS
CPPFLAGS+= -DSUPPORT_BOOTP
CPPFLAGS+= -DSUPPORT_DHCP
CPPFLAGS+= -DSUPPORT_NFS
CPPFLAGS+= -DSUPPORT_TFTP
# Recent macs report garbage geometry
#CPPFLAGS+= -DPASS_BIOSGEOM
CPPFLAGS+= -DBIOSDISK_DEFAULT_SECSIZE=2048	# for bootinfo_biosgeom.c
CPPFLAGS+= -DLIBSA_ENABLE_LS_OP

#CPPFLAGS+= -DARP_DEBUG
#CPPFLAGS+= -DBOOTP_DEBUG
#CPPFLAGS+= -DNET_DEBUG
#CPPFLAGS+= -DNETIF_DEBUG
#CPPFLAGS+= -DNFS_DEBUG
#CPPFLAGS+= -DRARP_DEBUG
#CPPFLAGS+= -DRPC_DEBUG

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
SAMISCCPPFLAGS+= -D"cdb2devb(bno)=(bno)"

### find out what to use for libsa
SA_AS= library
SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes"
SAMISCMAKEFLAGS+="SA_USE_CREAD=yes"
SAMISCMAKEFLAGS+="SA_INCLUDE_NET=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}

VERSIONMACHINE=x86
.include "${S}/conf/newvers_stand.mk"

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}

CWARNFLAGS.gcc+=	${CC_WNO_ADDRESS_OF_PACKED_MEMBER}

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