Dear Wolfgang Denk.
On Mon, Jul 13, 2009 at 9:34 PM, Wolfgang Denk w...@denx.de wrote:
When I wrote GCC's register usage conventions I usually mean exactly
that and not some completely different thing.
You also might want to read the README. Search for On ARM, the
following registers are
On Fri, Jul 10, 2009 at 02:52:32PM +0200, Drasko DRASKOVIC wrote:
[...]
Suppose that I allocated one register in start.S and put in it some data I
want to have later on C side. From start.S we enter to start_armboot(void)
function.
Would this work :
void start_armboot (void)
{
While the above may work, why you don't just follow the procedure call
standard instead? Place the value in r0 instead of r10, and you'll have
it as the first argument to the function.
there is a reason why I use r10 (and why somebody used r8, I suppose) - I
search some address during
Dear Drasko DRASKOVIC,
In message 5ec3d7930907130700h24ab20c3t258e2c31e21bb...@mail.gmail.com you
wrote:
there is a reason why I use r10 (and why somebody used r8, I suppose) - I
Well, that's easy - as the code has to interface with GCC generated
code, you have to stick with GCC's register
Well, that's easy - as the code has to interface with GCC generated
code, you have to stick with GCC's register usage conventions.
I think we were refering here to ATPCS (ARM-THUMB Procedure Call Standard,
i.e. ARM ABI), which tells that first 4 args of the calee are passed by the
caller via
Dear Drasko DRASKOVIC,
In message 5ec3d7930907130900l7e043b11lcf37a0d3e161f...@mail.gmail.com you
wrote:
Well, that's easy - as the code has to interface with GCC generated
code, you have to stick with GCC's register usage conventions.
I think we were refering here to ATPCS (ARM-THUMB
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