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authormischief <mischief@offblast.org>2020-11-21 14:55:33 -0800
committermischief <mischief@offblast.org>2020-11-21 14:55:33 -0800
commitd1dc287210afd73705c21675dcbaa4eaf997fdde (patch)
treefb796a5e856c7507cad4fd9cf834c613cbeafc12 /sys/man
parent486ce605467693526541c0d46dffc25478751411 (diff)
9boot(8): update manual to reflect efi loader search order changes
the efi loader now looks for plan9.ini and the kernel in the ESP first, before looking elsewhere.
Diffstat (limited to 'sys/man')
-rw-r--r--sys/man/8/9boot18
1 files changed, 15 insertions, 3 deletions
diff --git a/sys/man/8/9boot b/sys/man/8/9boot
index 075eb0350..8103acc40 100644
--- a/sys/man/8/9boot
+++ b/sys/man/8/9boot
@@ -47,7 +47,7 @@ will end the console and attempt booting the kernel.
.SS
There are many ways to boot a PC so
.IR 9boot
-was split into a number of distinct programs one for each boot
+was split into a number of distinct programs, one for each boot
method.
.SH FAT BOOTING
When booting Plan 9 from a harddisk or USB pen drive, a
@@ -143,8 +143,18 @@ is discovered and
configuration is read from it in the same way as
with the BIOS-based
.I 9boot*
-loaders.
-
+loaders. If the EFI loader was executed from a
+.B FAT
+partition, it will first search for
+.IR plan9.ini (8)
+in the same
+.B FAT
+filesystem that it was loaded from, and if not found, will search for
+.IR plan9.ini (8)
+in any other partition in an implementation-defined order. The kernel
+is always loaded from the same partition that
+.IR plan9.ini (8)
+is read from.
.SH FILES
.B /386/pbs
.br
@@ -171,6 +181,8 @@ loaders.
.IR mk9660 (8),
.IR dhcpd (8),
.IR ndb (6)
+.br
+.I https://uefi.org
.SH HISTORY
9boot first appeared in 9front (April, 2011).
EFI support first appeared in 9front (Oct, 2014).