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Re: [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE |
Date: |
Thu, 14 Feb 2019 16:04:36 -0800 |
On Wed, Feb 13, 2019 at 11:02 PM RTOS Pharos <address@hidden> wrote:
>
> So I tried it but got the error:
>
> ERROR: missing file ../qemu-3.1.0/ui/keycodemapdb/README
>
> This is not a GIT checkout but module content appears to
> be missing. Do not use 'git archive' or GitHub download links
> to acquire QEMU source archives. Non-GIT builds are only
> supported with source archives linked from:
>
> https://www.qemu.org/download/
>
> Developers working with GIT can use scripts/archive-source.sh
> if they need to create valid source archives.
>
> Makefile.cross-compiler:259: recipe for target 'qemu-3.1' failed
> make: *** [qemu-3.1] Error 1
>
>
> Get this is standard error, but I don't have time now to see how to work
> around it. Maybe later I can
The error describes how to fix the error. Just git clone the QEMU
source directly instead of using the GitHub tarballs.
Alistair
>
> --
> You received this bug notification because you are a member of qemu-
> devel-ml, which is subscribed to QEMU.
> https://bugs.launchpad.net/bugs/1815078
>
> Title:
> Qemu 3.1.0 risc-v mie.MEIE
>
> Status in QEMU:
> Fix Committed
>
> Bug description:
> Hello all,
>
> There is a bug in qemu for Risc-v, related to the mie register: when
> we try to set the MEIE bit (11) nothing is done, even when we are
> running at machine mode.
>
> Li a0 , 1 << 11
> Csrs mie , a0
>
> And when we read mie it is as though nothing was done.
>
> Going through the qemu source code I was able to correct it: on file
> op_helper.c, line 94, the variable all_ints should be initialized
> with:
>
> uint64_t all_ints = delegable_ints | MIP_MSIP | MIP_MTIP | MIP_MEIP;
>
> That is, the MIP_MEIP was missing.
>
> I've successfully triggered uart interrupts with this patch (virt
> machine).
>
> All the best,
> Pharos team
>
> To manage notifications about this bug go to:
> https://bugs.launchpad.net/qemu/+bug/1815078/+subscriptions
>
- [Qemu-devel] [Bug 1815078] [NEW] Qemu 3.1.0 risc-v mie.MEIE, RTOS Pharos, 2019/02/07
- Re: [Qemu-devel] [Bug 1815078] [NEW] Qemu 3.1.0 risc-v mie.MEIE, Alistair Francis, 2019/02/07
- [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE, Palmer Dabbelt, 2019/02/13
- [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE, RTOS Pharos, 2019/02/13
- [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE, Palmer Dabbelt, 2019/02/13
- [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE, RTOS Pharos, 2019/02/14
- [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE, RTOS Pharos, 2019/02/14
- Re: [Qemu-devel] [Bug 1815078] Re: Qemu 3.1.0 risc-v mie.MEIE,
Alistair Francis <=