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Re: [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes
From: |
Richard Henderson |
Subject: |
Re: [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes |
Date: |
Mon, 25 Mar 2019 08:39:12 -0700 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1 |
On 3/25/19 8:25 AM, Alex Bennée wrote:
>
> Peter Maydell <address@hidden> writes:
>
>> On Mon, 25 Mar 2019 at 13:29, Alex Bennée <address@hidden> wrote:
>>> I was going to suggest -cpu cortex-a53,aarch64=off but that seems to be
>>> only for KVM guests.
>>>
>>> Is there actually a v8 A profile 32 bit only CPU part?
>>
>> You can for instance connect up a Cortex-A53 with the
>> AA64nAA32 config signals hardwired to 0 ("go into AArch32
>> on power-on-reset"), which is functionally the same thing.
>
> So would it be reasonable to have a
>
> #ifndef TARGET_AARCH64
> { .name = "cortex-a53 (32bit)", .initfn = aarch32_a53_initfn },
> #endif
>
> and the appropriate init function in cpu.c? That should be all we need right?
Perhaps, but as I mention up-thread there's a 2-line fix to arm_max_initfn that
will be sufficient for CONFIG_USER_ONLY. I think that's the safer option for
4.0.
r~
- [Qemu-devel] [Bug 1821430] [NEW] qemu-user-arm (4.0.0-rc0) crashes, asavah, 2019/03/22
- [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, Peter Maydell, 2019/03/23
- [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, asavah, 2019/03/23
- Re: [Qemu-devel] [Bug 1821430] [NEW] qemu-user-arm (4.0.0-rc0) crashes, Richard Henderson, 2019/03/23
- Re: [Qemu-devel] [Bug 1821430] [NEW] qemu-user-arm (4.0.0-rc0) crashes, Alex Bennée, 2019/03/24
- [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, asavah, 2019/03/24
- [Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, Peter Maydell, 2019/03/24
[Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, Peter Maydell, 2019/03/26
[Qemu-devel] [Bug 1821430] Re: qemu-user-arm (4.0.0-rc0) crashes, asavah, 2019/03/26