Changeset 98d2923

Timestamp:

02/28/2023 05:04:39 AM (14 months ago)

Author:

Xi Ruoyao <xry111@…>

Branches:

xry111/arm64, xry111/arm64-12.0

Children:

19eb392

Parents:

0d4f1b4

Message:

arm64: kernel: Enable compressed kernel image and install it

File:

• chapter10/kernel.xml (modified) (4 diffs)

chapter10/kernel.xml

@@ -116 +116 @@
    [*]   Strong Stack Protector [CONFIG_STACKPROTECTOR_STRONG]
 Device Drivers  --->
+  Firmware Drivers   --->
+   EFI (Extensible Firmware Interface) Support  --->
+     [*] Enable the generic EFI decompressor [CONFIG_EFI_ZBOOT]
   Graphics support --->
    Frame buffer Devices --->
@@ -156 +159 @@
   Firmware Drivers   --->
    [*] Export DMI identification via sysfs to userspace [CONFIG_DMIID]
+   EFI (Extensible Firmware Interface) Support  --->
+     [*] Enable the generic EFI decompressor [CONFIG_EFI_ZBOOT]
   Graphics support --->
    Frame buffer Devices --->
@@ -260 +265 @@
 
       <varlistentry>
+        <term><parameter>Enable the generic EFI decompressor</parameter></term>
+        <listitem>
+          <para>Create the bootable image as an EFI application that carries
+          the actual kernel image in compressed form.  It can make the
+          bootable image 50% smaller.</para>
+        </listitem>
+      </varlistentry>
+
+      <varlistentry>
         <term><parameter>Framebuffer Console support</parameter></term>
         <listitem>
@@ -327 +341 @@
     the filename should be <emphasis>vmlinuz</emphasis> to be compatible with
     the automatic setup of the boot process described in the next section.  The
-    following command assumes an ARM64 architecture:</para>
-
-<screen><userinput remap="install">cp -iv arch/arm64/boot/Image /boot/vmlinuz-&linux-version;-lfs-&version;</userinput></screen>
+    following command assumes an ARM64 architecture with an EFI boot loader
+    (for example, GRUB built in &ch-final;):</para>
+
+<screen><userinput remap="install">cp -iv arch/arm64/boot/vmlinuz.efi /boot/vmlinuz-&linux-version;-lfs-&version;</userinput></screen>
 
     <para><filename>System.map</filename> is a symbol file for the kernel.