Re: [Xenomai] RT_HEAP physical address

[Gilles Chanteperdrix <gilles.chanteperdrix@xenomai.org>]

On 05/16/2014 08:17 PM, Makarand Pradhan wrote:
> Hi All,
>
> I am running on MPC8360(powerpc) linux 3.0, xenomai 2.6.3.
>
> I am trying to get the physical address of a heap using rt_heap_inquire.
> All the same, I'm getting a null pointer. Can you pl point out if I'm
> doing something wrong?
>
> Code:
>
> #include <rtdk.h>
> #include <stdio.h>
> #include <sys/mman.h>
> #include <native/heap.h>
> #include <native/task.h>
>
> void task1_func(void *arg)
> {
>           RT_HEAP heap;
>           RT_HEAP_INFO info;
>
>           rt_printf("Running\n");
>
>           int rc = rt_heap_create(&heap, "TEST", 1024, H_DMA);
>
>           rt_printf("Heap allocated: heap: %p, rc: %i\n", heap.mapbase, rc);
>
>           if (rt_heap_inquire(&heap, &info) == 0)
>           {
>                   rt_printf("task1: heap: %p, phy: %x\n", heap.mapbase,
> info.phys_addr);

What happens if you try phy: %Lx with (unsigned long long)info.phys_addr ?


-- 
					    Gilles.