Changeset 1b7c90c2

Timestamp:

03/31/2021 10:41:34 AM (3 years ago)

Author:

Xℹ Ruoyao <xry111@…>

Branches:

ml-11.0, multilib

Children:

9c0c3a0

Parents:

fd48baa

git-author:

Thomas Trepl <thomas@…> (04/07/2019 10:39:02 AM)

git-committer:

Xℹ Ruoyao <xry111@…> (03/31/2021 10:41:34 AM)

Message:

Add a note about ML kernel config. Fixes #4451.

git-svn-id: ​http://svn.linuxfromscratch.org/LFS/branches/multilib@11572 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

File:

• chapter08/kernel.xml (modified) (2 diffs)

chapter08/kernel.xml

@@ -112 +112 @@
 Kernel hacking  --->
        Choose kernel unwinder (Frame pointer unwinder)  ---&gt; [CONFIG_UNWINDER_FRAME_POINTER]</screen>
+
     </note>
 
@@ -141 +142 @@
       <ulink 
         url="http://www.linuxfromscratch.org/hints/downloads/files/lfs-uefi.txt"/>.
+      </para>
+    </note>
+
+    <note arch="ml_32,ml_x32,ml_all">
+      <para>
+        Running a multilib system means also that the kernel has to be 
+        configured proper. It is required that the kernel is able to 
+        identify and start binaries compiled for different architectures
+        than the default. Setup the required parameter in the kernel
+        config:
+      </para>
+<screen>Binary Emulations  ---&gt;
+    [*] IA32 Emulation
+    &lt;M&gt;   IA32 a.out support
+    [*] x32 ABI for 64-bit mode
+</screen>
+      <para>Make sure that the option 
+        'IA32 Emulation' is set if you built support for the 32bit ABI. 
+        If you selected the x32 ABI or built support for both, also select 
+        'x32 ABI for 64-bit mode'. The option 'IA32 a.out support' is
+        optional.
       </para>
     </note>