Re: [Qemu-devel] [RFC v5 2/5] hw/arm/digic: prepare DIGIC-based boards support

[Peter Maydell]

On 4 December 2013 21:20, Antony Pavlov <address@hidden> wrote:
> On Wed, 4 Dec 2013 20:29:05 +0000
> Peter Maydell <address@hidden> wrote:
>
>> On 4 December 2013 20:22, Antony Pavlov <address@hidden> wrote:
>> > Here is my proposition:
>> >
>> > 1. qemu board code setup CPU to start from 0xFFFF0000. (0xffff0000 is a 
>> > ROM address
>> > on DIGIC chips)
>>
>> Sort of. What we need is:
>>  1a. Add a "hivecs" property to the ARM CPU object (which
>> just sets env->cp15.c1_sys bit 13)
>>
>> (this is about half a dozen lines of code max)
>>
>>  1b DIGIC board init code creates the CPU and sets the hivecs property on it
>>
>> (another handful of lines of code)
>
> Ok, I'll try to make the work at the weekend.

The recent (not yet applied) patchset adding a property for the CBAR
register value is probably a good model to look at.

-- PMM