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From: Peter Maydell <peter.maydell@linaro.org>
Date: Wed, 3 Feb 2016 13:34:54 +0000
Message-ID: <CAFEAcA8dZOGsEZ3smegTeiAZgGBMpkXZDymZwfScGJvBifFEFg@mail.gmail.com>
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Subject: Re: [Qemu-devel] Memory on stellaris board
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To: Aurelio Remonda <aurelio.remonda@tallertechnologies.com>
Cc: QEMU Developers <qemu-devel@nongnu.org>

On 3 February 2016 at 13:00, Aurelio Remonda
<aurelio.remonda@tallertechnologies.com> wrote:
> Hello, i was trying to understand how does the sram and flash size
> works on lm3s6965evb, i found a hardcoded 0x00ff007f as dc0 value and
> how flash_size and sram_size are calculated based on that hexadecimal.
> I mean this:
>
> flash_size = (((board->dc0 & 0xffff) + 1) << 1) * 1024;
> sram_size = ((board->dc0 >> 18) + 1) * 1024;
> On stellaris.c
>
> When i use the -m [size] flag while running qemu how does the flag
> affect does flash_size and sram_size values? Or it doesn't? Where can
> i see that the memory has indeed change?

This board model ignores -m. We just implement a model of this particular
bit of hardware, which has a fixed amount of RAM in it.

thanks
-- PMM