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[Qemu-devel] [Bug 1572329] Re: ARM bootloader does not set r0 to 0
From: |
Peter Maydell |
Subject: |
[Qemu-devel] [Bug 1572329] Re: ARM bootloader does not set r0 to 0 |
Date: |
Mon, 20 Jun 2016 15:51:33 -0000 |
Fix committed: b4850e5ae9607f9f31932
** Changed in: qemu
Status: New => Fix Committed
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https://bugs.launchpad.net/bugs/1572329
Title:
ARM bootloader does not set r0 to 0
Status in QEMU:
Fix Committed
Bug description:
The link register is not properly set up in the ARM bootloader code,
leading to the instruction which sets r0 to 0x00000000 to be skipped.
As a consequence, r0 may hold the value leaked from the board setup
code.
For instance, if using arm_write_secure_board_setup_dummy_smc, r0
holds 0x00000031.
Attached is a patch to fix the issue.
Please include Sylvain Garrigues <address@hidden> in the
commit log.
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- [Qemu-devel] [Bug 1572329] Re: ARM bootloader does not set r0 to 0,
Peter Maydell <=