NIOS2 ISR Handler with shadow registers

Tue Dec 3 13:54:09 UTC 2013

Adding the initialize_shadow_register_stacks() to the bsp_predriver_hook() did the trick. Thanks for the info.

> Hello Kevin,

> we may integrate the BSP next year.  Attached is our bspstart.c file.

> On 2013-12-02 23:28, Kirspel, Kevin wrote:

> > I added the global definition for

> > _Nios2_ISR_Status_interrupts_disabled (except I used

> > NIOS2_ISR_STATUS_BITS_EIC_IL instead of INTERRUPT_DISABLE_IL_BITS ? I

> > assume it?s the highest interrupt level in your BSP).  It successfully

> > compiles but will crash on startup while spitting out the RTEMS shell

> > hello message.  So it processes some ISRs successfully but then dies.

> > I?m not sure if there is more I need to do in my BSP.  I have it working with the below > ISR handler but it doesn?t do everything that yours did.

> There are some initialization steps necessary for shadow registers.  You should run the test sptests/spcontext01.

> --

> Sebastian Huber, embedded brains GmbH

> Address : Dornierstr. 4, D-82178 Puchheim, Germany

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> Fax     : +49 89 189 47 41-09

> E-Mail  : sebastian.huber at embedded-brains.de<mailto:sebastian.huber at embedded-brains.de>

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> Diese Nachricht ist keine gesch?ftliche Mitteilung im Sinne des EHUG.

Kevin Kirspel
Senior Research Engineer
Opti Medical
235 Hembree Park Drive
Roswell GA 30076
Tel: (770)-510-4444 ext. 81642
Direct: (770)-688-1642
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