| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| #ifndef _OS_ARCH_SIM_H |
| #define _OS_ARCH_SIM_H |
| |
| #include "mcu/mcu_sim.h" |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| /* CPU status register */ |
| typedef unsigned int os_sr_t; |
| |
| /* Stack element */ |
| typedef unsigned int os_stack_t; |
| |
| #define OS_ALIGNMENT (4) |
| #define OS_STACK_ALIGNMENT (16) |
| |
| /* Stack sizes for common OS tasks */ |
| #define OS_SANITY_STACK_SIZE (1024) |
| #define OS_IDLE_STACK_SIZE (1024) |
| |
| /* |
| * The 'sim' architecture-specific code does not have as much control on |
| * stack usage as the real embedded architectures. |
| * |
| * For e.g. the space occupied by the signal handler frame on the task |
| * stack is entirely dependent on the host OS. |
| * |
| * Deal with this by scaling the stack size by a factor of 16. The scaling |
| * factor can be arbitrarily large because the stacks are allocated from |
| * BSS and thus don't add to either the executable size or resident |
| * memory. |
| */ |
| #define OS_STACK_ALIGN(__nmemb) \ |
| (OS_ALIGN(((__nmemb) * 16), OS_STACK_ALIGNMENT)) |
| |
| /* Include common arch definitions and APIs */ |
| #include "os/arch/common.h" |
| |
| /* sim specific */ |
| struct stack_frame; |
| void os_arch_frame_init(struct stack_frame *sf); |
| |
| /* for unittests */ |
| void os_arch_os_stop(void); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif /* _OS_ARCH_SIM_H */ |