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authorTom Cosgrove <tom@cvs.openbsd.org>2004-08-24 15:35:00 +0000
committerTom Cosgrove <tom@cvs.openbsd.org>2004-08-24 15:35:00 +0000
commit6d06ed0b7a24094ecb9975e0389c320855a00b45 (patch)
tree9b9887011f5147aa5b7662a0e906f1eedb1058d7 /sys/arch/amd64
parent554916cc0a9cc8e679ebcf5d19a1a2cab2d802ae (diff)
Have cdboot look for /3.6/amd64/bsd.rd first.
"go for it" deraadt@
Diffstat (limited to 'sys/arch/amd64')
-rw-r--r--sys/arch/amd64/stand/cdboot/Makefile5
-rw-r--r--sys/arch/amd64/stand/cdboot/cdboot.c125
2 files changed, 128 insertions, 2 deletions
diff --git a/sys/arch/amd64/stand/cdboot/Makefile b/sys/arch/amd64/stand/cdboot/Makefile
index ec48e91e56f..7a28a272f1f 100644
--- a/sys/arch/amd64/stand/cdboot/Makefile
+++ b/sys/arch/amd64/stand/cdboot/Makefile
@@ -1,4 +1,4 @@
-# $OpenBSD: Makefile,v 1.1 2004/08/21 18:53:38 tom Exp $
+# $OpenBSD: Makefile,v 1.2 2004/08/24 15:34:59 tom Exp $
.include "${.CURDIR}/../Makefile.inc"
@@ -9,7 +9,7 @@ S =${.CURDIR}/../../../..
SADIR= ${.CURDIR}/..
PROG= cdboot
-SRCS= srt0.S conf.c
+SRCS= srt0.S cdboot.c conf.c
LD?= ld
SIZE?= size
LDFLAGS+=-melf_i386 -nostdlib -Bstatic -Ttext $(LINKADDR) -N -x -noinhibit-exec
@@ -63,4 +63,5 @@ CPPFLAGS+=-DBOOTMAGIC=$(BOOTMAGIC) ${DEBUGFLAGS}
CPPFLAGS+=-DSLOW -DSMALL -DNOBYFOUR -DNO_GZIP -DDYNAMIC_CRC_TABLE
CPPFLAGS+=-DLINKADDR=${LINKADDR} -I${S}/stand/boot
CFLAGS+=-m32 ${SACFLAGS} -D__INTERNAL_LIBSA_CREAD
+CFLAGS+=-DOSREV=\"${OSREV}\" -DMACHINE=\"${MACHINE}\"
AFLAGS+=-m32
diff --git a/sys/arch/amd64/stand/cdboot/cdboot.c b/sys/arch/amd64/stand/cdboot/cdboot.c
new file mode 100644
index 00000000000..0f129b1b410
--- /dev/null
+++ b/sys/arch/amd64/stand/cdboot/cdboot.c
@@ -0,0 +1,125 @@
+/* $OpenBSD: cdboot.c,v 1.1 2004/08/24 15:34:59 tom Exp $ */
+
+/*
+ * Copyright (c) 2003 Dale Rahn
+ * Copyright (c) 1997,1998 Michael Shalayeff
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ */
+
+#include <sys/param.h>
+#include <sys/reboot.h>
+#include <sys/stat.h>
+#include <libsa.h>
+#include <lib/libsa/loadfile.h>
+#include <lib/libkern/funcs.h>
+
+#include "../../../../stand/boot/cmd.h"
+
+static const char *const kernels[] = {
+ "/" OSREV "/" MACHINE "/bsd.rd",
+ "/bsd",
+ "/obsd",
+ "/bsd.old",
+ NULL
+};
+
+char prog_ident[40];
+char *progname = "BOOT";
+
+extern const char version[];
+struct cmd_state cmd;
+
+/* bootprompt can be set by MD code to avoid prompt first time round */
+int bootprompt = 1;
+
+void
+boot(dev_t bootdev)
+{
+ const char *bootfile = kernels[0];
+ int i = 0, try = 0, st;
+ u_long marks[MARK_MAX];
+
+ machdep();
+
+ snprintf(prog_ident, sizeof(prog_ident),
+ ">> OpenBSD/" MACHINE " %s %s", progname, version);
+ printf("%s\n", prog_ident);
+
+ devboot(bootdev, cmd.bootdev);
+ strlcpy(cmd.image, bootfile, sizeof(cmd.image));
+ cmd.boothowto = 0;
+ cmd.conf = "/etc/boot.conf";
+ cmd.addr = (void *)DEFAULT_KERNEL_ADDRESS;
+ cmd.timeout = 5;
+
+ st = read_conf();
+ if (!bootprompt)
+ snprintf(cmd.path, sizeof cmd.path, "%s:%s",
+ cmd.bootdev, cmd.image);
+
+ while (1) {
+ /* no boot.conf, or no boot cmd in there */
+ if (bootprompt && st <= 0)
+ do {
+ printf("boot> ");
+ } while(!getcmd());
+ st = 0;
+ bootprompt = 1; /* allow reselect should we fail */
+
+ printf("booting %s: ", cmd.path);
+ marks[MARK_START] = (u_long)cmd.addr;
+ if (loadfile(cmd.path, marks, LOAD_ALL) >= 0)
+ break;
+
+ if (kernels[++i] == NULL) {
+ try += 1;
+ bootfile = kernels[i=0];
+ } else
+ bootfile = kernels[i];
+ strlcpy(cmd.image, bootfile, sizeof(cmd.image));
+ printf(" failed(%d). will try %s\n", errno, bootfile);
+
+ if (try < 2) {
+ if (cmd.timeout > 0)
+ cmd.timeout++;
+ } else {
+ if (cmd.timeout)
+ printf("Turning timeout off.\n");
+ cmd.timeout = 0;
+ }
+ }
+
+ /* exec */
+ run_loadfile(marks, cmd.boothowto);
+}
+
+#ifdef _TEST
+int
+main()
+{
+ boot(0);
+ return 0;
+}
+#endif