zyfeier commented on code in PR #21496:
URL: https://github.com/apache/nuttx/pull/21496#discussion_r4490160516
##########
arch/tricore/src/common/tricore_trapcall.c:
##########
@@ -444,19 +518,92 @@ void tricore_trapcall(volatile void *trap)
}
}
- __jumpBackToLink();
+ tricore_trap_return();
}
- if (tclass == IfxCpu_Trap_Class_assertion)
+ if (tclass == TRICORE_TRAP_CLASS_ASSERT)
{
tricore_assertiontrap(tid, regs, NULL);
- __jumpBackToLink();
+ tricore_trap_return();
}
up_irq_save();
PANIC_WITH_REGS("Trap", regs);
}
+/****************************************************************************
+ * Name: tricore_fcu_register_pool
+ *
+ * Description:
+ * Register the context save areas that the free context list underflow
+ * (FCU) trap uses to report the trap when no free CSA is left. The pool
+ * is linked only when the trap happens, so it may also be RAM that is in
+ * use until then.
+ *
+ * Input Parameters:
+ * base - 64-byte aligned start of the pool
+ * num - Number of context save areas, at least TRICORE_FCU_CSA_MINNUM
+ *
+ ****************************************************************************/
+
+void tricore_fcu_register_pool(void *base, size_t num)
+{
+ DEBUGASSERT(base != NULL);
+ DEBUGASSERT(((uintptr_t)base & (TC_CONTEXT_SIZE - 1)) == 0);
+ DEBUGASSERT(num >= TRICORE_FCU_CSA_MINNUM);
Review Comment:
no need?
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