kumquat-buildroot/board/qemu/sh4-r2d/patches/linux/0002-include-asm-generic-vmlinux.lds.h.patch
Romain Naour a2331c8a61 board/qemu/sh4-r2d: fix sh4 kernel bug with binutils 2.33
Remove the binutils patch reverting [1] that triggers a sh4 kernel bug
with binutils >= 2.33. Instead, add two kernel patches provided by
Alan Modra [2] that fix alignment of rodata.

[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e
[2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html

Signed-off-by: Romain Naour <romain.naour@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>
2020-06-24 22:40:55 +02:00

33 lines
1.1 KiB
Diff

From 7f92adbba385a4e512abfd6633ac0f9f0cdf91f8 Mon Sep 17 00:00:00 2001
From: Romain Naour <romain.naour@gmail.com>
Date: Sat, 21 Dec 2019 11:54:07 +0100
Subject: [PATCH] include/asm-generic: vmlinux.lds.h
Building the kernel using a toolchain built with Binutils 2.33.1 prevent
booting a sh4 system under Qemu.
Apply the patch provided by Alan Modra [2] that fix alignment of rodata.
[1] https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git;h=ebd2263ba9a9124d93bbc0ece63d7e0fae89b40e
[2] https://www.sourceware.org/ml/binutils/2019-12/msg00112.html
Signed-off-by: Romain Naour <romain.naour@gmail.com>
---
include/asm-generic/vmlinux.lds.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index d7701d466b60..1aa33597e91e 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -306,6 +306,7 @@
*/
#ifndef RO_AFTER_INIT_DATA
#define RO_AFTER_INIT_DATA \
+ . = ALIGN(8); \
__start_ro_after_init = .; \
*(.data..ro_after_init) \
__end_ro_after_init = .;
--
2.24.1