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authorSebastian Huber <sebastian.huber@embedded-brains.de>2018-06-19 14:59:51 +0200
committerSebastian Huber <sebastian.huber@embedded-brains.de>2018-06-27 08:58:16 +0200
commitc8df844cf3bddde0221614843c97cb6c950cdba9 (patch)
tree67101cb39d5bdd406f785d33629703e5a876ed75 /cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h
parent196ce1859a0d2b41f33c6a2ff5b7523a96a6aabc (diff)
downloadrtems-c8df844cf3bddde0221614843c97cb6c950cdba9.tar.bz2
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.
Diffstat (limited to 'cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h')
-rw-r--r--cpukit/score/cpu/no_cpu/include/rtems/score/cpu.h8
1 files changed, 8 insertions, 0 deletions
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
*/