ARM11 support in RTEMS?

Cudmore, Alan P. (GSFC-5820) alan.p.cudmore at nasa.gov
Thu Dec 20 17:36:59 UTC 2012


OK, I see where the arm1136 config is coming from now.
I thought the list on the ARM EABI page were for an actual BSP directories in libbsp/arm

I assumed where I should have grepped..

Thanks,
Alan

On Dec 20, 2012, at 12:18 PM, Ralf Corsepius <ralf.corsepius at rtems.org> wrote:

> On 12/20/2012 05:26 PM, Cudmore, Alan P. (GSFC-5820) wrote:
>> I have been looking at what it would take to create a BSP for the Raspberry Pi board. The Pi uses an ARM1176jzfs ( ARMv6 ).
>> 
>> The BSP list on this page:
>> http://www.rtems.org/wiki/index.php/ARM-EABI
>> lists arm1136jfs and arm1136js BSPs, but I did not see those in the RTEMS git repository.
> 
> Sorry, but I can't comment on this ;)
> 
> From what I see from grepping through the source-tree, there are 
> simulator BSP aiming at arm1136*'s:
> 
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136jfs.cfg:#  Config file 
> for GDB ARM Simulator as arm1136jf-s (FPU)
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136jfs.cfg:RTEMS_CPU_MODEL=arm1136
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136jfs.cfg:CPU_CFLAGS = 
> -mcpu=arm1136jf-s
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136js.cfg:#  Config file 
> for GDB ARM Simulator as arm1136j-s (no FPU)
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136js.cfg:RTEMS_CPU_MODEL=arm1136
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/arm1136js.cfg:CPU_CFLAGS = 
> -mcpu=arm1136j-s
> c/src/lib/libbsp/arm/gdbarmsim/make/custom/armcortexa9.cfg:RTEMS_CPU_MODEL=arm1136
> 
> but no real BSPs.
> 
> In cpukit, ARMv6 seems to be aliased to ARMv4.
> 
> Ralf
> 
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