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Re: [Qemu-devel] [PATCH] arm64: 64K pages and > 1024MB guest
From: |
Joel Schopp |
Subject: |
Re: [Qemu-devel] [PATCH] arm64: 64K pages and > 1024MB guest |
Date: |
Fri, 1 Aug 2014 13:36:51 -0500 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.6.0 |
On 08/01/2014 09:19 AM, Paolo Bonzini wrote:
> Il 01/08/2014 16:02, Joel Schopp ha scritto:
>>>> I think the patch is right but, besides these considerations, does this
>>>> bug still manifest itself after Andrew fixed the start address of the
>>>> device at 0x90010000 (IIRC it was the pl031)?
>> The device I see with that address is:
>> hw/arm/virt.c: [VIRT_RTC] = { 0x90010000, 0x1000 },
>>
>> The bug still manifests itself with that in the tree (without my patch
>> applied).
> In 2.1-rc5 it is
>
> [VIRT_RTC] = { 0x9010000, 0x1000 },
>
> with one zero less:
>
> commit 1373e140f0b0554a8b3aba9761cd96df49520f97
> Author: Andrew Jones <address@hidden>
> Date: Tue Jul 29 18:32:01 2014 +0200
>
> hw/arm/virt: fix pl031 addr typo
>
> pl031's base address should be 0x9010000, not 0x90010000, otherwise
> it sits in ram when configuring a guest with greater than 1G.
>
> Signed-off-by: Andrew Jones <address@hidden>
> Signed-off-by: Peter Maydell <address@hidden>
>
> diff --git a/hw/arm/virt.c b/hw/arm/virt.c
> index 405c61d..89532bd 100644
> --- a/hw/arm/virt.c
> +++ b/hw/arm/virt.c
> @@ -104,7 +104,7 @@ static const MemMapEntry a15memmap[] = {
> [VIRT_GIC_DIST] = { 0x8000000, 0x10000 },
> [VIRT_GIC_CPU] = { 0x8010000, 0x10000 },
> [VIRT_UART] = { 0x9000000, 0x1000 },
> - [VIRT_RTC] = { 0x90010000, 0x1000 },
> + [VIRT_RTC] = { 0x9010000, 0x1000 },
> [VIRT_MMIO] = { 0xa000000, 0x200 },
> /* ...repeating for a total of NUM_VIRTIO_TRANSPORTS, each of that size
> */
> /* 0x10000000 .. 0x40000000 reserved for PCI */
>
> Paolo
Retested with the latest master and this commit from Andrew did indeed
resolve my issue.