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From 236e3846e8497f2f7e5c4dfcfc9ff2e922fd02a0 Mon Sep 17 00:00:00 2001
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From: Gerd Hoffmann <kraxel@redhat.com>
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Date: Tue, 4 Oct 2022 15:01:39 +0200
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Subject: [PATCH] systemd-boot man page: add section for virtual machines
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(cherry picked from commit 941d418d19397bd20c570729877a5dfa37d762b2)
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Related: #2138081
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---
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 man/systemd-boot.xml | 17 +++++++++++++++++
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 1 file changed, 17 insertions(+)
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diff --git a/man/systemd-boot.xml b/man/systemd-boot.xml
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index 0eee532f90..57b66803fa 100644
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--- a/man/systemd-boot.xml
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+++ b/man/systemd-boot.xml
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@@ -525,6 +525,23 @@
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     <filename>/etc/kernel/tries</filename> when a boot loader entry is first created.</para>
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   </refsect1>
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+  <refsect1>
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+    <title>Using systemd-boot in virtual machines.</title>
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+
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+    <para>When using qemu with OVMF (UEFI Firmware for virtual machines) the <option>-kernel</option> switch
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+    works not only for linux kernels, but for any EFI binary, including sd-boot and unified linux
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+    kernels.  Example command line for loading sd-boot on x64:</para>
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+
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+    <para>
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+      <command>qemu-system-x86_64 <replaceable>[ ... ]</replaceable>
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+      -kernel /usr/lib/systemd/boot/efi/systemd-bootx64.efi</command>
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+    </para>
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+
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+    <para>systemd-boot will detect that it was started directly instead of being loaded from ESP and will
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+    search for the ESP in that case, taking into account boot order information from the hypervisor (if
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+    available).</para>
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+  </refsect1>
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+
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   <refsect1>
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     <title>See Also</title>
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     <para>