[Qemu-devel] armv8 support in qemu

[Qemu-devel] armv8 support in qemu

[Gaurav Sharma]

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Hi,
I just wanted to know what is the current status armv8 support in qemu ?
After initial look into the source code i see the support for user mode.
Even though aarch64-softmmu is supported in the target list, i do not see
any corresponding code for init in target-arm/cpu64.c.

Thanks,
Gaurav

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Re: [Qemu-devel] armv8 support in qemu

[Alex Bennée]

Gaurav Sharma <gauravs.2010@gmail.com> writes:

> Hi,
> I just wanted to know what is the current status armv8 support in qemu ?
> After initial look into the source code i see the support for user mode.
> Even though aarch64-softmmu is supported in the target list, i do not see
> any corresponding code for init in target-arm/cpu64.c.

Initial support is already in and the latest set of patches which get
you to boot a kernel to user-space is currently on this very list for review.

Cheers,

--
Alex Bennée
QEMU/KVM Hacker for Linaro

Re: [Qemu-devel] armv8 support in qemu

[Gaurav Sharma]

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What all is supported in the initial code for full system emulation ?
I am trying to bring up u-boot, which will require a minimal functionality.
But in the file [target-arm/cpu64.c] this piece of code raises some
questions to me :

static const ARMCPUInfo aarch64_cpus[] = {
#ifdef CONFIG_USER_ONLY
    { .name = "any",         .initfn = aarch64_any_initfn },
#endif
    { .name = NULL }
};

1. Is there any place else from where we are initializing aarch64 ?
2. In the folder [/hw/arm] I do not see any machine type initializing
aarch64 core ?



On Mon, Mar 10, 2014 at 2:20 PM, Alex Bennée <alex.bennee@linaro.org> wrote:

>
> Gaurav Sharma <gauravs.2010@gmail.com> writes:
>
> > Hi,
> > I just wanted to know what is the current status armv8 support in qemu ?
> > After initial look into the source code i see the support for user mode.
> > Even though aarch64-softmmu is supported in the target list, i do not see
> > any corresponding code for init in target-arm/cpu64.c.
>
> Initial support is already in and the latest set of patches which get
> you to boot a kernel to user-space is currently on this very list for
> review.
>
> Cheers,
>
> --
> Alex Bennée
> QEMU/KVM Hacker for Linaro
>
>

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Re: [Qemu-devel] armv8 support in qemu

[Peter Maydell]

On 10 March 2014 09:24, Gaurav Sharma <gauravs.2010@gmail.com> wrote:
> What all is supported in the initial code for full system emulation ?
> I am trying to bring up u-boot, which will require a minimal functionality.
> But in the file [target-arm/cpu64.c] this piece of code raises some
> questions to me :
>
> static const ARMCPUInfo aarch64_cpus[] = {
> #ifdef CONFIG_USER_ONLY
>     { .name = "any",         .initfn = aarch64_any_initfn },
> #endif
>     { .name = NULL }
> };

The code you are looking for is in the patches on the list which
Alex just told you about -- it is not currently in master.

-- PMM