MBR for rb600 installation miniroot image.

2 files changed, 65 insertions, 0 deletions

diff --git a/sys/arch/socppc/stand/mbr/Makefile b/sys/arch/socppc/stand/mbr/Makefile
new file mode 100644
index 00000000000..7d6e19be453
--- /dev/null
+++ b/sys/arch/socppc/stand/mbr/Makefile
@@ -0,0 +1,31 @@
+#	$OpenBSD: Makefile,v 1.1 2010/02/15 13:43:24 kettenis Exp $
+
+.include <bsd.own.mk>
+
+NOMAN=
+#MAN=	mbr.8
+
+.if ${MACHINE} == "socppc"
+PROG=	mbr.mini
+SRCS=	mbr.S
+AFLAGS+=-I${.OBJDIR} -I${.CURDIR}/../../.. #-Wa,a
+LDFLAGS+=-N -e start -Ttext 0
+OBJCOPY?=objcopy
+
+INSTALL_STRIP=
+S=	${.CURDIR}/../../../..
+
+${PROG}: $(OBJS) $(DPADD)
+	$(LD) $(LDFLAGS) -o $(PROG) $(OBJS) $(LDADD)
+	@size $(PROG)
+	@if [ -x ${.OBJDIR}/${PROG} ]; then \
+		${OBJCOPY} -O binary ${PROG} ${.OBJDIR}/.tmp;\
+		mv -f ${.OBJDIR}/.tmp ${.OBJDIR}/${PROG}; \
+		ls -l ${.OBJDIR}/${PROG}; \
+	fi
+
+.else
+NOPROG=
+.endif
+
+.include <bsd.prog.mk>
diff --git a/sys/arch/socppc/stand/mbr/mbr.S b/sys/arch/socppc/stand/mbr/mbr.S
new file mode 100644
index 00000000000..4da867aab49
--- /dev/null
+++ b/sys/arch/socppc/stand/mbr/mbr.S
@@ -0,0 +1,34 @@
+#include <machine/asm.h>
+
+ENTRY(start)
+	 nop
+
+/* space for mbr_dsn */
+	. = _C_LABEL(start) + 0x1b4
+	.long	0
+
+/* mbr_bootsel_magic */
+	. = _C_LABEL(start) + 0x1b8
+	.word	0
+
+/*
+ * MBR partition table
+ */
+	. = _C_LABEL(start) + 0x1be
+_pbr_part0:
+	.byte	0x80, 1, 1, 0, 0x27, 9, 8, 0	
+	.byte	0x3f, 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00
+_pbr_part1:
+	.byte	0, 0, 0, 0, 0, 0, 0, 0	
+	.byte	0, 0, 0, 0, 0, 0, 0, 0
+_pbr_part2:
+	.byte	0, 0, 0, 0, 0, 0, 0, 0	
+	.byte	0, 0, 0, 0, 0, 0, 0, 0
+_pbr_part3:
+	.byte	0, 9, 9, 0, 0xa6, 15, 63, 7	
+	.byte	0x3f, 0x02, 0x00, 0x00, 0x41, 0x1d, 0x00, 0x00
+
+	. = _C_LABEL(start) + 0x1fe
+magic:
+	.word	0x55aa
+mbr_end: