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Re: [Qemu-arm] [Qemu-devel] [PATCH v2 for-4.1] hw/arm/raspi: Diagnose re

From: Richard Henderson
Subject: Re: [Qemu-arm] [Qemu-devel] [PATCH v2 for-4.1] hw/arm/raspi: Diagnose requests for too much RAM
Date: Thu, 28 Mar 2019 13:17:47 -0700
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.5.1

On 3/28/19 8:29 AM, Peter Maydell wrote:
> The Raspberry Pi boards have a physical memory map which does
> not allow for more than 1GB of RAM. Currently if the user tries
> to ask for more then we fail in a confusing way:
> $ qemu-system-aarch64 --machine raspi3 -m 8G
> Unexpected error in visit_type_uintN() at qapi/qapi-visit-core.c:164:
> qemu-system-aarch64: Parameter 'vcram-base' expects uint32_t
> Aborted (core dumped)
> Catch this earlier and diagnose it with a more friendly message:
> $ qemu-system-aarch64 --machine raspi3 -m 8G
> qemu-system-aarch64: Requested ram size is too large for this machine: 
> maximum is 1GB
> Fixes: https://bugs.launchpad.net/qemu/+bug/1794187
> Signed-off-by: Peter Maydell <address@hidden>
> ---
> Changes v1->v2: use '>', not '>='...

Reviewed-by: Richard Henderson <address@hidden>


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