From c8df844cf3bddde0221614843c97cb6c950cdba9 Mon Sep 17 00:00:00 2001 From: Sebastian Huber Date: Tue, 19 Jun 2018 14:59:51 +0200 Subject: score: Add CPU_INTERRUPT_STACK_ALIGNMENT Add CPU port define for the interrupt stack alignment. The alignment should take the stack ABI and the cache line size into account. Update #3459. --- cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h | 8 ++++++++ 1 file changed, 8 insertions(+) (limited to 'cpukit/score/cpu/no_cpu/include') diff --git a/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h index 45edbaa3cf..c843e2661a 100644 --- a/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h +++ b/cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h @@ -695,6 +695,14 @@ extern Context_Control_fp _CPU_Null_fp_context; */ #define CPU_STACK_ALIGNMENT 0 +/** + * The alignment of the interrupt stack in bytes. + * + * The alignment should take the stack ABI and the cache line size into + * account. + */ +#define CPU_INTERRUPT_STACK_ALIGNMENT CPU_CACHE_LINE_BYTES + /* * ISR handler macros */ -- cgit v1.2.3