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authorAndreas Bießmann <andreas@biessmann.de>2013-10-24 12:31:03 +0200
committerHans-Christian Egtvedt <hegtvedt@cisco.com>2013-11-20 09:53:21 +0100
commit7a2a74f4b856993218aa7cdeeb6c3103101340db (patch)
treea33d46eda9bf3a8c28e90b34e0868426ecd7b0f8 /arch/avr32/kernel
parentb4789b8e6be3151a955ade74872822f30e8cd914 (diff)
downloadlinux-7a2a74f4b856993218aa7cdeeb6c3103101340db.tar.gz
avr32: setup crt for early panic()
Before the CRT was (fully) set up in kernel_entry (bss cleared before in _start, but also not before jump to panic() in no_tag_table case). This patch fixes this up to have a fully working CRT when branching to panic() in no_tag_table. Signed-off-by: Andreas Bießmann <andreas@biessmann.de> Acked-by: Hans-Christian Egtvedt <egtvedt@samfundet.no> Cc: Haavard Skinnemoen <hskinnemoen@gmail.com> Cc: stable@vger.kernel.org
Diffstat (limited to 'arch/avr32/kernel')
-rw-r--r--arch/avr32/kernel/head.S20
1 files changed, 0 insertions, 20 deletions
diff --git a/arch/avr32/kernel/head.S b/arch/avr32/kernel/head.S
index 6163bd0..59eae6d 100644
--- a/arch/avr32/kernel/head.S
+++ b/arch/avr32/kernel/head.S
@@ -10,33 +10,13 @@
#include <linux/linkage.h>
#include <asm/page.h>
-#include <asm/thread_info.h>
-#include <asm/sysreg.h>
.section .init.text,"ax"
.global kernel_entry
kernel_entry:
- /* Initialize status register */
- lddpc r0, init_sr
- mtsr SYSREG_SR, r0
-
- /* Set initial stack pointer */
- lddpc sp, stack_addr
- sub sp, -THREAD_SIZE
-
-#ifdef CONFIG_FRAME_POINTER
- /* Mark last stack frame */
- mov lr, 0
- mov r7, 0
-#endif
-
/* Start the show */
lddpc pc, kernel_start_addr
.align 2
-init_sr:
- .long 0x007f0000 /* Supervisor mode, everything masked */
-stack_addr:
- .long init_thread_union
kernel_start_addr:
.long start_kernel