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[Qemu-devel] [Bug 1079080] Re: ARM instruction "srs" wrong behaviour
From: |
vcesson |
Subject: |
[Qemu-devel] [Bug 1079080] Re: ARM instruction "srs" wrong behaviour |
Date: |
Fri, 15 Feb 2013 14:59:33 -0000 |
You are welcome.
Credit info you need: Cesson Vincent <address@hidden>
Thank you for fixing it!
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https://bugs.launchpad.net/bugs/1079080
Title:
ARM instruction "srs" wrong behaviour
Status in QEMU:
Confirmed
Bug description:
Quote from ARM Architecture Reference Manual ARMv7-A and ARMv7-R :
"Store Return State stores the LR and SPSR of the current mode to the stack
of a specified mode"
Problem:
When executing this instruction, the register stored is CPSR instead of SPSR.
Context:
Using QEMU 1.2.0 to simulate a Zynq application (processor Cortex-a9 mpcore)
with the following command line:
qemu-system-arm -M xilinx-zynq-a9 -m 512 -serial null -serial mon:stdio -dtb
/home/vcesson/workspace/xilinx_zynq.dtb -kernel
install/tests/io/serial/current/tests/serial2 -S -s -nographic
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