diff options
Diffstat (limited to 'cpukit/score/cpu/sparc/include/rtems/score/sparc.h')
| -rw-r--r-- | cpukit/score/cpu/sparc/include/rtems/score/sparc.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/cpukit/score/cpu/sparc/include/rtems/score/sparc.h b/cpukit/score/cpu/sparc/include/rtems/score/sparc.h index 0cf8b2d4fc..182281f394 100644 --- a/cpukit/score/cpu/sparc/include/rtems/score/sparc.h +++ b/cpukit/score/cpu/sparc/include/rtems/score/sparc.h @@ -223,6 +223,23 @@ extern "C" { ( SPARC_REAL_TRAP_NUMBER( _trap ) >= 0x11 && \ SPARC_REAL_TRAP_NUMBER( _trap ) <= 0x1f ) +/** + * @brief Maps the interrupt trap number to the associated interrupt source + * number. + * + * Interrupt trap numbers are real hardware vector numbers, synchronous trap + * numbers, and asynchronous trap numbers for which SPARC_IS_INTERRUPT_TRAP() + * returns true. + * + * @param _trap is the real hardware vector number, synchronous trap number, or + * asynchronous trap number to map. + * + * @return Returns the interrupt source number associated with the interrupt + * trap number. + */ +#define SPARC_INTERRUPT_TRAP_TO_SOURCE( _trap ) \ + ( SPARC_REAL_TRAP_NUMBER( _trap ) - 0x10 ) + #ifndef ASM /** |