fdisk(8): Make -A preserve BIOS boot partition

On PolarFire SoC, the HSS firmware loads HSS payload from BIOS boot
partition. Typically the payload carries second-stage low-level boot
code, such as U-Boot. If the payload is missing, the SoC is not able
to boot normally. Hence automatic disk formatting should not delete
the partition.

OK krw@

diff --git a/sbin/fdisk/fdisk.8 b/sbin/fdisk/fdisk.8
index c5067e1..b3ca9c5 100644 (file)
--- a/sbin/fdisk/fdisk.8
+++ b/sbin/fdisk/fdisk.8
@@ -1,4 +1,4 @@
-.\"    $OpenBSD: fdisk.8,v 1.108 2021/11/26 03:31:38 jsg Exp $
+.\"    $OpenBSD: fdisk.8,v 1.109 2022/02/03 13:24:04 visa Exp $
 .\"
 .\"
 .\" Copyright (c) 1997 Tobias Weingartner
@@ -15,7 +15,7 @@
 .\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 .\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 .\"
-.Dd $Mdocdate: November 26 2021 $
+.Dd $Mdocdate: February 3 2022 $
 .Dt FDISK 8
 .Os
 .Sh NAME
@@ -65,6 +65,7 @@ all existing partitions except the boot partitions
 .Sq APFS ISC ,
 .Sq APFS ,
 .Sq APFS Recovry ,
+.Sq BIOS Boot ,
 .Sq HiFive FSBL
 and
 .Sq HiFive BBL .

diff --git a/sbin/fdisk/part.c b/sbin/fdisk/part.c
index b02b6a6..b95a6e7 100644 (file)
--- a/sbin/fdisk/part.c
+++ b/sbin/fdisk/part.c
@@ -1,4 +1,4 @@
-/*     $OpenBSD: part.c,v 1.113 2022/01/27 16:26:32 krw Exp $  */
+/*     $OpenBSD: part.c,v 1.114 2022/02/03 13:24:04 visa Exp $ */
 
 /*
  * Copyright (c) 1997 Tobias Weingartner
@@ -152,7 +152,7 @@ const struct gpt_type               gpt_types[] = {
        { 0x07, 0, "NTFS        ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },
        { 0x0B, 0, "FAT32       ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },
        { 0x0C, 0, "FAT32L      ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },
-       { 0x0D, 0, "BIOS Boot   ", "21686148-6449-6e6f-744e-656564454649" },
+       { 0x0D, 1, "BIOS Boot   ", "21686148-6449-6e6f-744e-656564454649" },
        { 0x0E, 0, "FAT16L      ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },
        { 0x11, 0, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },
        { 0x14, 0, "OS/2 hidden ", "ebd0a0a2-b9e5-4433-87c0-68b6b72699c7" },