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Re: [Qemu-ppc] [HelenOS-devel] Regression in ppc-softmmu when running He

From: Mark Cave-Ayland
Subject: Re: [Qemu-ppc] [HelenOS-devel] Regression in ppc-softmmu when running HelenOS
Date: Sat, 17 Mar 2012 18:42:43 +0000
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv: Gecko/20120207 Icedove/3.0.11

On 17/03/12 18:09, Mark Cave-Ayland wrote:

I also see from your patch that VISUAL_RGB_5_5_5_BE is also specified
for a bit-depth of 16: however once again HelenOS refuses to boot with
"-g 800x600x16" specified on the QEMU command line so perhaps this is
not a correct assumption?

Actually - don't worry about that. Even when passing QEMU a bit-depth of 16 on the command line, it seems to be clamped internally to 15. It is possible to override it back to 16 using a debugger, and that boots HelenOS fine albeit with a lovely blue tinge ;) I suspect that's because of the bit alignments similar to http://en.wikipedia.org/wiki/High_Color.



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