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[Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash
From: |
Michael Walle |
Subject: |
[Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash |
Date: |
Fri, 7 May 2010 22:57:57 +0200 |
User-agent: |
KMail/1.9.9 |
[sorry didn't see the CC to the mailinglist]
Am Friday 23 April 2010 09:23:49 schrieb Jan Kiszka:
> Michael Walle wrote:
> > Hi Jan,
> >
> > your commit "Optimize consecutive CFI02 writes by remapping memory
> > lazily" breaks the code execution from flash.
> >
> > If you write to the flash, the flash will switch into I/O mode. Now if
> > code is executed from this flash, a cpu_abort will be raised ("Trying to
> > execute code outside RAM or ROM").
>
> Hmm, guess I didn't test execute-in-place back then. Do you happen to
> have a test case for this scenario? I'll look into this.
Only for my qemu-lm32 port.. But reading the flash id, while executing this
code from flash should trigger the bug.
--
michael
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash,
Michael Walle <=
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Jan Kiszka, 2010/05/12
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Michael Walle, 2010/05/12
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Jan Kiszka, 2010/05/13
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Michael Walle, 2010/05/13
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Jan Kiszka, 2010/05/13
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Jan Kiszka, 2010/05/13
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Jan Kiszka, 2010/05/13
- [Qemu-devel] Re: Commit 9c9bb6c89d4 breaks code execution from flash, Michael Walle, 2010/05/13