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22ef11ee47
By default LLD links with relocations disallowed against readonly sections (e.g., .text), but the 32-bit ARM EFI & uboot boot bits require such relocations. -znotext is either ignored as an unknown -z option (in-tree lld 2.17.50) or is already the default (GNU ld or GNU gold from ports) so we can just add it unconditionally to allow building with LLD. This is similar to the change in r320179 for the kernel link. Sponsored by: The FreeBSD Foundation
162 lines
4 KiB
Makefile
162 lines
4 KiB
Makefile
# $FreeBSD$
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.include <src.opts.mk>
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FILES= ubldr ubldr.bin
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NEWVERSWHAT= "U-Boot loader" ${MACHINE_ARCH}
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BINDIR?= /boot
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INSTALLFLAGS= -b
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WARNS?= 1
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# Address at which ubldr will be loaded.
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# This varies for different boards and SOCs.
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UBLDR_LOADADDR?= 0x1000000
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# Architecture-specific loader code
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SRCS= start.S conf.c self_reloc.c vers.c
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.if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} > 40201
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CWARNFLAGS.self_reloc.c+= -Wno-error=maybe-uninitialized
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.endif
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.if !defined(LOADER_NO_DISK_SUPPORT)
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LOADER_DISK_SUPPORT?= yes
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.else
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LOADER_DISK_SUPPORT= no
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.endif
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LOADER_UFS_SUPPORT?= yes
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LOADER_CD9660_SUPPORT?= no
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LOADER_EXT2FS_SUPPORT?= no
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.if ${MK_NAND} != "no"
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LOADER_NANDFS_SUPPORT?= yes
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.else
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LOADER_NANDFS_SUPPORT?= no
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.endif
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LOADER_NET_SUPPORT?= yes
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LOADER_NFS_SUPPORT?= yes
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LOADER_TFTP_SUPPORT?= no
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LOADER_GZIP_SUPPORT?= no
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LOADER_BZIP2_SUPPORT?= no
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.if ${MK_FDT} != "no"
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LOADER_FDT_SUPPORT= yes
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.else
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LOADER_FDT_SUPPORT= no
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.endif
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.if ${LOADER_DISK_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_DISK_SUPPORT
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.endif
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.if ${LOADER_UFS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_UFS_SUPPORT
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.endif
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.if ${LOADER_CD9660_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_CD9660_SUPPORT
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.endif
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.if ${LOADER_EXT2FS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_EXT2FS_SUPPORT
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.endif
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.if ${LOADER_NANDFS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_NANDFS_SUPPORT
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.endif
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.if ${LOADER_GZIP_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_GZIP_SUPPORT
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.endif
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.if ${LOADER_BZIP2_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_BZIP2_SUPPORT
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.endif
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.if ${LOADER_NET_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_NET_SUPPORT
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.endif
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.if ${LOADER_NFS_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_NFS_SUPPORT
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.endif
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.if ${LOADER_TFTP_SUPPORT} == "yes"
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CFLAGS+= -DLOADER_TFTP_SUPPORT
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.endif
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.if ${LOADER_FDT_SUPPORT} == "yes"
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CFLAGS+= -I${.CURDIR}/../../fdt
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CFLAGS+= -I${.OBJDIR}/../../fdt
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CFLAGS+= -DLOADER_FDT_SUPPORT
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LIBUBOOT_FDT= ${.OBJDIR}/../../uboot/fdt/libuboot_fdt.a
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LIBFDT= ${.OBJDIR}/../../fdt/libfdt.a
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.endif
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.if ${MK_FORTH} != "no"
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# Enable BootForth
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BOOT_FORTH= yes
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CFLAGS+= -DBOOT_FORTH -I${.CURDIR}/../../ficl
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CFLAGS+= -I${.CURDIR}/../../ficl/arm
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LIBFICL= ${.OBJDIR}/../../ficl/libficl.a
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.endif
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# Always add MI sources
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.PATH: ${.CURDIR}/../../common
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.include "${.CURDIR}/../../common/Makefile.inc"
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CFLAGS+= -I${.CURDIR}/../../common
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CFLAGS+= -I.
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CLEANFILES+= loader.help
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CFLAGS+= -ffreestanding -msoft-float
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LDFLAGS= -nostdlib -static -T ${.CURDIR}/ldscript.${MACHINE_CPUARCH}
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LDFLAGS+= -Wl,-znotext
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# Pull in common loader code
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.PATH: ${.CURDIR}/../../uboot/common
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.include "${.CURDIR}/../../uboot/common/Makefile.inc"
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CFLAGS+= -I${.CURDIR}/../../uboot/common
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# U-Boot standalone support library
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LIBUBOOT= ${.OBJDIR}/../../uboot/lib/libuboot.a
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CFLAGS+= -I${.CURDIR}/../../uboot/lib
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CFLAGS+= -I${.OBJDIR}/../../uboot/lib
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# where to get libstand from
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CFLAGS+= -I${.CURDIR}/../../../../lib/libstand/
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CFLAGS+= -fPIC
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# clang doesn't understand %D as a specifier to printf
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NO_WERROR.clang=
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DPADD= ${LIBFICL} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} ${LIBSTAND}
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LDADD= ${LIBFICL} ${LIBUBOOT} ${LIBFDT} ${LIBUBOOT_FDT} -lstand
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OBJS+= ${SRCS:N*.h:R:S/$/.o/g}
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loader.help: help.common help.uboot ${.CURDIR}/../../fdt/help.fdt
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cat ${.ALLSRC} | \
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awk -f ${.CURDIR}/../../common/merge_help.awk > ${.TARGET}
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ldscript.abs:
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echo "UBLDR_LOADADDR = ${UBLDR_LOADADDR};" >${.TARGET}
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ldscript.pie:
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echo "UBLDR_LOADADDR = 0;" >${.TARGET}
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ubldr: ${OBJS} ldscript.abs ${.CURDIR}/ldscript.${MACHINE_CPUARCH} ${DPADD}
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${CC} ${CFLAGS} -T ldscript.abs ${LDFLAGS} \
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-o ${.TARGET} ${OBJS} ${LDADD}
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ubldr.pie: ${OBJS} ldscript.pie ${.CURDIR}/ldscript.${MACHINE_CPUARCH} ${DPADD}
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${CC} ${CFLAGS} -T ldscript.pie ${LDFLAGS} -pie -Wl,-Bsymbolic \
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-o ${.TARGET} ${OBJS} ${LDADD}
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ubldr.bin: ubldr.pie
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${OBJCOPY} -S -O binary ubldr.pie ${.TARGET}
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CLEANFILES+= ldscript.abs ldscript.pie ubldr ubldr.pie ubldr.bin
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.if !defined(LOADER_ONLY)
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.PATH: ${.CURDIR}/../../forth
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.include "${.CURDIR}/../../forth/Makefile.inc"
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# Install loader.rc.
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FILES+= loader.rc
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# Put sample menu.rc on disk but don't enable it by default.
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FILES+= menu.rc
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FILESNAME_menu.rc= menu.rc.sample
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.endif
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.include <bsd.prog.mk>
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