PowerPC: new_exceptions status

Nickolay Kolchin nbkolchin at gmail.com
Thu Jun 23 11:31:27 UTC 2005


It looks like new_exceptions model in current RTEMS CVS tree is a stub
and don't work in reality. The problem is in _CPU_ISR_install_vector
definitions (/c/src/lib/libbsp/powerpc/new-exceptions/cpu.c)

void _CPU_ISR_install_vector(
  uint32_t    vector,
  proc_ptr    new_handler,
  proc_ptr   *old_handler 
  BSP_panic("_CPU_ISR_install_vector called\n");

This mean that rtems_interrupt_catch function don't work and it is
used in ATA driver (/c/src/libchip/ide/ata.c).

Can somebody clarify what is current status of new_exceptions
interface in PowerPC and what should be used instead of


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