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| author | Max Resch <resch.max@gmail.com> | 2021-10-16 13:26:21 +0200 |
|---|---|---|
| committer | Max Resch <resch.max@gmail.com> | 2021-10-16 13:26:21 +0200 |
| commit | 111c9ba6c22958c0aba6cadd9ec409b7df67befd (patch) | |
| tree | ad695c066650c6610e226a50102ee98cd52d40fa /man/systemd-stub.xml | |
| parent | 33bc9b756ea9a53c31340a7dcc6bc6b45c0fb2f5 (diff) | |
| download | systemd-111c9ba6c22958c0aba6cadd9ec409b7df67befd.tar.gz | |
[st-stub] documenting the .dtb section
Diffstat (limited to 'man/systemd-stub.xml')
| -rw-r--r-- | man/systemd-stub.xml | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/man/systemd-stub.xml b/man/systemd-stub.xml index 2edc64ce17..2a32e05bcc 100644 --- a/man/systemd-stub.xml +++ b/man/systemd-stub.xml @@ -52,6 +52,9 @@ <listitem><para>The initial RAM disk (initrd) will be looked for in the <literal>.initrd</literal> PE section.</para></listitem> + <listitem><para>A compiled binary DeviceTree will be looked for in the <literal>.dtb</literal> PE + section.</para></listitem> + <listitem><para>The kernel command line to pass to the invoked kernel will be looked for in the <literal>.cmdline</literal> PE section.</para></listitem> @@ -65,6 +68,10 @@ SecureBoot, or don't include a kernel command line PE section in the kernel image file. If a command line is accepted via EFI invocation parameters to the EFI binary it is measured into TPM PCR 8 (if a TPM is present).</para> + + <para>If a DeviceTree is embedded in the <literal>.dtb</literal> section, it replaces an existing + DeviceTree in the corresponding EFI configuration table. systemd-stub will ask the firmware via the + <literal>EFI_DT_FIXUP_PROTOCOL</literal> for hardware specific fixups to the DeviceTree.</para> </refsect1> <refsect1> @@ -163,7 +170,8 @@ <programlisting>objcopy \ --add-section .osrel=os-release --change-section-vma .osrel=0x20000 \ --add-section .cmdline=cmdline.txt --change-section-vma .cmdline=0x30000 \ - --add-section .splash=splash.bmp --change-section-vma .splash=0x40000 \ + --add-section .dtb=devicetree.dtb --change-section-vma .dtb=0x40000 \ + --add-section .splash=splash.bmp --change-section-vma .splash=0x100000 \ --add-section .linux=vmlinux --change-section-vma .linux=0x2000000 \ --add-section .initrd=initrd.cpio --change-section-vma .initrd=0x3000000 \ /usr/lib/systemd/boot/efi/linuxx64.efi.stub \ |