# $NetBSD: Makefile.boot,v 1.72.4.1 2019/09/17 19:32:00 martin Exp $ S= ${.CURDIR}/../../../../.. NOMAN= NOLIBCSANITIZER= NOSANITIZER= NOPIE= PROG?= boot NEWVERSWHAT?= "BIOS Boot" AFLAGS.biosboot.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:} SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c \ exec_multiboot1.c exec_multiboot2.c SRCS= ${SOURCES} .include STRIPFLAG= # nothing LIBCRT0= # nothing LIBCRTI= # nothing LIBCRTBEGIN= # nothing LIBCRTEND= # nothing LIBC= # nothing BINDIR=/usr/mdec BINMODE=444 .PATH: ${.CURDIR}/.. ${.CURDIR}/../../lib LDFLAGS+= -nostdlib -Wl,-N -Wl,-e,boot_start CPPFLAGS+= -I ${.CURDIR}/.. -I ${.CURDIR}/../../lib -I ${S}/lib/libsa CPPFLAGS+= -I ${.OBJDIR} # Make sure we override any optimization options specified by the user COPTS= -Os .if ${MACHINE_ARCH} == "x86_64" LDFLAGS+= -Wl,-m,elf_i386 AFLAGS+= -m32 CPUFLAGS= -m32 LIBKERN_ARCH=i386 KERNMISCMAKEFLAGS="LIBKERN_ARCH=i386" .else CPUFLAGS= -march=i386 -mtune=i386 .endif CFLAGS+= -mno-sse -mno-sse2 -mno-sse3 COPTS+= -ffreestanding CFLAGS+= -Wall -Wmissing-prototypes -Wstrict-prototypes CPPFLAGS+= -nostdinc -D_STANDALONE CPPFLAGS+= -I$S CPPFLAGS+= -DSUPPORT_PS2 CPPFLAGS+= -DDIRECT_SERIAL CPPFLAGS+= -DSUPPORT_SERIAL=boot_params.bp_consdev CPPFLAGS+= -DCONSPEED=boot_params.bp_conspeed CPPFLAGS+= -DCONSADDR=boot_params.bp_consaddr CPPFLAGS+= -DCONSOLE_KEYMAP=boot_params.bp_keymap CPPFLAGS+= -DSUPPORT_CD9660 CPPFLAGS+= -DSUPPORT_USTARFS CPPFLAGS+= -DSUPPORT_DOSFS CPPFLAGS+= -DSUPPORT_EXT2FS #CPPFLAGS+= -DSUPPORT_MINIXFS3 CPPFLAGS+= -DPASS_BIOSGEOM CPPFLAGS+= -DPASS_MEMMAP #CPPFLAGS+= -DBOOTPASSWD CPPFLAGS+= -DEPIA_HACK #CPPFLAGS+= -DDEBUG_MEMSIZE #CPPFLAGS+= -DBOOT_MSG_COM0 CPPFLAGS+= -DLIBSA_ENABLE_LS_OP # The biosboot code is linked to 'virtual' address of zero and is # loaded at physical address 0x10000. # XXX The heap values should be determined from _end. SAMISCCPPFLAGS+= -DHEAP_START=0x40000 -DHEAP_LIMIT=0x70000 SAMISCCPPFLAGS+= -DLIBSA_PRINTF_LONGLONG_SUPPORT SAMISCMAKEFLAGS+= SA_USE_CREAD=yes # Read compressed kernels SAMISCMAKEFLAGS+= SA_INCLUDE_NET=no # Netboot via TFTP, NFS CPPFLAGS+= -Wno-pointer-sign # CPPFLAGS+= -DBOOTXX_RAID1_SUPPORT I386_STAND_DIR?= $S/arch/i386/stand ### find out what to use for libi386 I386DIR= ${I386_STAND_DIR}/lib .include "${I386DIR}/Makefile.inc" LIBI386= ${I386LIB} ### find out what to use for libsa SA_AS= library SAMISCMAKEFLAGS+="SA_USE_LOADFILE=yes" SAMISCMAKEFLAGS+="SA_ENABLE_LS_OP=yes" .include "${S}/lib/libsa/Makefile.inc" LIBSA= ${SALIB} ### find out what to use for libkern KERN_AS= library .include "${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} LDSCRIPT ?= $S/arch/i386/conf/stand.ldscript cleandir distclean: .WAIT cleanlibdir cleanlibdir: -rm -rf lib LIBLIST= ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} ${LIBI386} ${LIBSA} # LIBLIST= ${LIBSA} ${LIBKERN} ${LIBI386} ${LIBSA} ${LIBZ} ${LIBKERN} CLEANFILES+= ${PROG}.tmp ${PROG}.map ${PROG}.sym VERSIONMACHINE=x86 .include "${S}/conf/newvers_stand.mk" # Anything that calls 'real_to_prot' must have a %pc < 0x10000. # We link the program, find the callers (all in libi386), then # explicitly pull in the required objects before any other library code. ${PROG}: ${OBJS} ${LIBLIST} ${LDSCRIPT} ${.CURDIR}/../Makefile.boot ${_MKTARGET_LINK} bb="$$( ${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,0 -Wl,-cref \ ${OBJS} ${LIBLIST} | ( \ while read symbol file; do \ [ -z "$$file" ] && continue; \ [ "$$symbol" = real_to_prot ] && break; \ done; \ while \ oifs="$$IFS"; \ IFS='()'; \ set -- $$file; \ IFS="$$oifs"; \ [ -n "$$2" ] && echo "${I386DST}/$$2"; \ read file rest && [ -z "$$rest" ]; \ do :; \ done; \ ) )"; \ ${CC} -o ${PROG}.sym ${LDFLAGS} -Wl,-Ttext,0 -T ${LDSCRIPT} \ -Wl,-Map,${PROG}.map -Wl,-cref ${OBJS} $$bb ${LIBLIST} ${OBJCOPY} -O binary ${PROG}.sym ${PROG} .include KLINK_MACHINE= i386 .include