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Re: [Qemu-devel] [PATCH v4 09/38] target-microblaze: Conditionalize sett
From: |
Alistair Francis |
Subject: |
Re: [Qemu-devel] [PATCH v4 09/38] target-microblaze: Conditionalize setting of PVR11_USE_MMU |
Date: |
Wed, 23 May 2018 15:56:53 -0700 |
On Wed, May 23, 2018 at 3:47 PM, Edgar E. Iglesias
<address@hidden> wrote:
> From: "Edgar E. Iglesias" <address@hidden>
>
> Conditionalize setting of PVR11_USE_MMU on the use_mmu
> CPU property, otherwise we may incorrectly advertise an
> MMU via PVR when the core in fact has none.
>
> Signed-off-by: Edgar E. Iglesias <address@hidden>
Reviewed-by: Alistair Francis <address@hidden>
Alistair
> ---
> target/microblaze/cpu.c | 3 ++-
> 1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/target/microblaze/cpu.c b/target/microblaze/cpu.c
> index 06476f6efc..a6f1ce6549 100644
> --- a/target/microblaze/cpu.c
> +++ b/target/microblaze/cpu.c
> @@ -201,7 +201,8 @@ static void mb_cpu_realizefn(DeviceState *dev, Error
> **errp)
> PVR5_DCACHE_WRITEBACK_MASK : 0;
>
> env->pvr.regs[10] = 0x0c000000; /* Default to spartan 3a dsp family. */
> - env->pvr.regs[11] = PVR11_USE_MMU | (16 << 17);
> + env->pvr.regs[11] = (cpu->cfg.use_mmu ? PVR11_USE_MMU : 0) |
> + 16 << 17;
>
> mcc->parent_realize(dev, errp);
> }
> --
> 2.14.1
>
>