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Re: [Qemu-devel] Memory on stellaris board
From: |
Aurelio Remonda |
Subject: |
Re: [Qemu-devel] Memory on stellaris board |
Date: |
Wed, 3 Feb 2016 10:45:10 -0300 |
On Wed, Feb 3, 2016 at 10:34 AM, Peter Maydell <address@hidden> wrote:
> On 3 February 2016 at 13:00, Aurelio Remonda
> <address@hidden> 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 for the quick answer, do you think it is worth to make the m
flag work for this model?
Can you give me a hint on where to look?(another board that use it) so
i can add this feature
for this model.
Thanks!
--
Aurelio Remonda
Software Engineer
San Lorenzo 47, 3rd Floor, Office 5
Córdoba, Argentina
Phone: +54-351-4217888 / 4218211
- [Qemu-devel] Memory on stellaris board, Aurelio Remonda, 2016/02/03
- Re: [Qemu-devel] Memory on stellaris board, Peter Maydell, 2016/02/03
- Re: [Qemu-devel] Memory on stellaris board,
Aurelio Remonda <=
- Re: [Qemu-devel] Memory on stellaris board, Aurelio Remonda, 2016/02/05
- Re: [Qemu-devel] Memory on stellaris board, Peter Maydell, 2016/02/05
- Re: [Qemu-devel] Memory on stellaris board, Aurelio Remonda, 2016/02/05
- Re: [Qemu-devel] Memory on stellaris board, Peter Maydell, 2016/02/05
- Re: [Qemu-devel] Memory on stellaris board, Aurelio Remonda, 2016/02/11
- Re: [Qemu-devel] Memory on stellaris board, Peter Maydell, 2016/02/11