diff options
Diffstat (limited to '')
| -rw-r--r-- | cpukit/include/rtems/score/isr.h | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/cpukit/include/rtems/score/isr.h b/cpukit/include/rtems/score/isr.h index bb1f3cee50..96ad816245 100644 --- a/cpukit/include/rtems/score/isr.h +++ b/cpukit/include/rtems/score/isr.h @@ -98,7 +98,11 @@ extern ISR_Handler_entry _ISR_Vector_table[ CPU_INTERRUPT_NUMBER_OF_VECTORS ]; #endif /** - * @brief Global symbol with a value equal to the configure interrupt stack size. + * @brief Provides the configured interrupt stack size through an address. + * + * The address of this global symbol is equal to the configured interrupt stack + * size. The address of this symbol has an arbitrary value an may not be + * representable in the code model used by the compiler. * * This global symbol is defined by the application configuration option * CONFIGURE_INIT_TASK_STACK_SIZE via <rtems/confdefs.h>. @@ -106,6 +110,14 @@ extern ISR_Handler_entry _ISR_Vector_table[ CPU_INTERRUPT_NUMBER_OF_VECTORS ]; RTEMS_DECLARE_GLOBAL_SYMBOL( _ISR_Stack_size ); /** + * @brief Provides the configured interrupt stack size through an object. + * + * This object is provided to avoid issues with the _ISR_Stack_size symbol + * address and the code model used by the compiler. + */ +extern const char * const volatile _ISR_Stack_size_object; + +/** * @brief The interrupt stack area begin. * * The interrupt stack area is defined by the application configuration via |