From 7a6849b3acab6d96501d8c977e89395c0e22bc1e Mon Sep 17 00:00:00 2001
From: Arfon Smith <arfon@github.com>
Date: Wed, 1 Apr 2015 20:33:13 -0500
Subject: [PATCH] Adding in a Makefile.boot filename for .boot detection

---
 samples/Makefile/filenames/Makefile.boot | 159 +++++++++++++++++++++++
 1 file changed, 159 insertions(+)
 create mode 100644 samples/Makefile/filenames/Makefile.boot

diff --git a/samples/Makefile/filenames/Makefile.boot b/samples/Makefile/filenames/Makefile.boot
new file mode 100644
index 00000000..07c25c11
--- /dev/null
+++ b/samples/Makefile/filenames/Makefile.boot
@@ -0,0 +1,159 @@
+# $NetBSD$
+
+S=	${.CURDIR}/../../../../..
+
+NOMAN=
+PROG?= boot
+NEWVERSWHAT?= "BIOS Boot"
+VERSIONFILE?= ${.CURDIR}/../version
+
+AFLAGS.biosboot.S= ${${ACTIVE_CC} == "clang":?-no-integrated-as:}
+
+SOURCES?= biosboot.S boot2.c conf.c devopen.c exec.c
+SRCS= ${SOURCES}
+.if !make(depend)
+SRCS+= vers.c
+.endif
+
+PIE_CFLAGS=
+PIE_AFLAGS=
+PIE_LDFLAGS=
+
+.include <bsd.own.mk>
+
+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 vers.c
+
+vers.c: ${VERSIONFILE} ${SOURCES} ${LIBLIST} ${.CURDIR}/../Makefile.boot
+	${HOST_SH} ${S}/conf/newvers_stand.sh ${VERSIONFILE} x86 ${NEWVERSWHAT}
+
+# Anything that calls 'real_to_prot' must have a %pc < 0x10000.
+# We link the program, find the callers (all in libi386), then
+# explicitly pull in the required objects before any other library code.
+${PROG}: ${OBJS} ${LIBLIST} ${.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 <bsd.prog.mk>
+KLINK_MACHINE=	i386
+.include <bsd.klinks.mk>