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Re: [Qemu-devel] [PATCH v6] Add optionrom compatible with fw_cfg DMA ver

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH v6] Add optionrom compatible with fw_cfg DMA version
Date: Tue, 10 May 2016 19:24:28 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:38.0) Gecko/20100101 Thunderbird/38.7.1

On 09/05/2016 18:48, Richard W.M. Jones wrote:
> Of course we're well outside any standards here.  Can we tell clang
> users to use the GCC/pre-compiled option ROMs :-?  Any other ideas?  I
> don't think I've missed a flag (GCC has -fno-toplevel-reorder, but
> clang 3.8 doesn't ...)

I guess the checksumming script (scripts/signrom.py) could take care of
padding the file to a multiple of 512 bytes, and fill in the size in the
third byte.  Then "_end" would not be necessary anymore and -m16 could
replace the .code16 directive.


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