From 2b2f15756989fe0142a48b366988324ddff0082c Mon Sep 17 00:00:00 2001 From: Gregory Nutt Date: Sat, 12 Mar 2016 15:28:58 -0600 Subject: [PATCH] Forgot to add a file before last commit --- arch/sim/src/up_smphook.c | 85 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) create mode 100644 arch/sim/src/up_smphook.c diff --git a/arch/sim/src/up_smphook.c b/arch/sim/src/up_smphook.c new file mode 100644 index 0000000000..e871c42f0f --- /dev/null +++ b/arch/sim/src/up_smphook.c @@ -0,0 +1,85 @@ +/**************************************************************************** + * arch/sim/src/up_simhook.c + * + * Copyright (C) 2016 Gregory Nutt. All rights reserved. + * Author: Gregory Nutt + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name NuttX nor the names of its contributors may be + * used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, + * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS + * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED + * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN + * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include + +#include + +#include + +#include "sched/sched.h" + +#ifdef CONFIG_SMP + +/**************************************************************************** + * Public Functions + ****************************************************************************/ + +/**************************************************************************** + * Name: sim_smp_hook + * + * Description: + * This is a mindless little hook between sim_idle_trampoline() and the + * real IDLE task logic. This is only needed because we need to access + * elements of the TCB in the simulation domain but sim_idle_trampoline() + * lies in the host domain. + * + * Input Parameters: + * None + * + * Returned Value: + * None (should not return) + * + ****************************************************************************/ + +void sim_smp_hook(void) +{ + struct tcb_s *tcb = this_task(); + DEBUGASSERT(tcb != NULL && tcb->start != NULL); + + /* Transfer control to the "real" thread start-up routine */ + + tcb->start(); + + /* That function should not return. */ + + PANIC(); +} + +#endif /* CONFIG_SMP */