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application: add smode rtthread demo to demostrate how to run
Take care this required TEE present and ECLIC present see Makefile Signed-off-by: Huaqi Fang <[email protected]>
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‎application/rtthread/demo_smode/Makefile

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TARGET = rtthread_demo
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RTOS = RTThread
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NUCLEI_SDK_ROOT = ../../..
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COMMON_FLAGS = -O3 -DSMODE_RTOS
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XLCFG_TEE := 1
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SRCDIRS = .
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INCDIRS = .
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include $(NUCLEI_SDK_ROOT)/Build/Makefile.base

‎application/rtthread/demo_smode/main.c

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/*
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* Copyright (c) 2006-2019, RT-Thread Development Team
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* Copyright (c) 2019-Present Nuclei Limited. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2020-03-26 Huaqi the first version
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*/
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#include "nuclei_sdk_soc.h"
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#include <rtthread.h>
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#include <stdio.h>
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#if !defined(__TEE_PRESENT) || (__TEE_PRESENT != 1)
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/* __TEE_PRESENT should be defined in <Device>.h */
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#error "This example require CPU TEE feature!"
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#endif
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#if !defined(__PMP_PRESENT) || (__PMP_PRESENT != 1)
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/* __PMP_PRESENT should be defined in <Device>.h */
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#error "This example require CPU PMP feature!"
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#endif
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#define THREAD_PRIORITY 2
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#define THREAD_STACK_SIZE 512
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#define THREAD_TIMESLICE 5
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#define THREAD_NUM 5
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/* Align stack when using static thread */
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ALIGN(RT_ALIGN_SIZE)
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static rt_uint8_t thread_stack[THREAD_NUM][THREAD_STACK_SIZE];
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static struct rt_thread tid[THREAD_NUM];
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/* Thread entry function */
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static void thread_entry(void* parameter)
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{
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rt_uint32_t count = 0;
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while (1) {
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rt_kprintf("thread %d count: %d\n", (rt_uint32_t)parameter, count++);
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rt_thread_mdelay(250);
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}
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}
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/* Thread demo */
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int create_thread_demo(void)
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{
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unsigned long i;
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for (i = 0; i < THREAD_NUM; i ++) {
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/* Create static threads */
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rt_thread_init(&tid[i], "thread", thread_entry, (void*)i, thread_stack[i],
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THREAD_STACK_SIZE, THREAD_PRIORITY, THREAD_TIMESLICE);
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}
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/* Startup threads */
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for (i = 0; i < THREAD_NUM; i ++) {
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rt_thread_startup(&tid[i]);
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}
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return 0;
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}
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int main(void)
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{
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rt_uint32_t count = 0;
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create_thread_demo();
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while (1) {
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rt_kprintf("Main thread count: %d\n", count++);
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rt_thread_mdelay(500);
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#ifdef CFG_SIMULATION
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if (count > 2) {
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// directly exit if in nuclei internally simulation
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SIMULATION_EXIT(0);
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}
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#endif
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}
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}
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extern void entry(void);
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#define SMODE_STACK_SIZE 2048
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// Execute Hart ID
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#define EXECUTE_HARTID 0
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/* Create a stack for supervisor mode execution */
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uint8_t smode_stack[SMODE_STACK_SIZE] __attribute__((aligned(16)));
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uintptr_t smode_sp = (uintptr_t) (smode_stack + sizeof(smode_stack));
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int main_entry(void)
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{
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CSR_MCFGINFO_Type mcfg;
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mcfg.d = __RV_CSR_READ(CSR_MCFG_INFO);
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if ((mcfg.b.tee & mcfg.b.clic) == 0) {
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printf("ERROR: TEE and ECLIC feature are required to run this SMode RT-Thread Demo\n");
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return 1;
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}
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// set pmp, S mode can access all address range
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pmp_config pmp_cfg = {
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/* M mode grants S and U mode with full permission of the whole address range */
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.protection = PMP_L | PMP_R | PMP_W | PMP_X,
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/* Memory region range 2^__RISCV_XLEN bytes */
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.order = __RISCV_XLEN,
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/* Initial base address is 0 */
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.base_addr = 0,
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};
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__set_PMPENTRYx(0, &pmp_cfg);
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printf("Set ECLIC Timer Interrupt and Software Timer Interrupt to be executed in S-Mode\r\n");
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// before drop to S Mode, specifies in which privilege mode the interrupt should be taken
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ECLIC_SetModeIRQ(SysTimerSW_IRQn, PRV_S);
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ECLIC_SetModeIRQ(SysTimer_IRQn, PRV_S);
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printf("Drop to S-Mode to prepare RT-Thread Environment\r\n");
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/* Drop to S mode */
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__switch_mode(PRV_S, smode_sp, entry);
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// Should never return here
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return 1;
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}

‎application/rtthread/demo_smode/npk.yml

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## Package Base Information
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name: app-nsdk_rtthread_smode_demo
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owner: nuclei
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version:
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description: S-Mode RTThread Task Demo
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type: app
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keywords:
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- rtthread
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- task demo
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category: rtthread application
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license:
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homepage:
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## Package Dependency
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dependencies:
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- name: sdk-nuclei_sdk
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version:
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- name: osp-nsdk_rtthread
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version:
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## Package Configurations
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configuration:
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app_commonflags:
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value: -O3
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type: text
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description: Application Compile Flags
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## Set Configuration for other packages
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setconfig:
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- config: rtthread_msh
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value: 0
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## Source Code Management
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codemanage:
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copyfiles:
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- path: ["*.c", "*.h"]
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incdirs:
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- path: ["./"]
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libdirs:
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ldlibs:
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- libs:
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## Build Configuration
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buildconfig:
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- type: common
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common_flags: # flags need to be combined together across all packages
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# SMODE_RTOS is required, and CFG_HAS_TEE is defined to expect TEE feature present in hw
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- flags: -DSMODE_RTOS -DCFG_HAS_TEE ${app_commonflags}

‎application/rtthread/demo_smode/rtconfig.h

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/* RT-Thread config file */
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#ifndef __RTTHREAD_CFG_H__
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#define __RTTHREAD_CFG_H__
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#include <rtthread.h>
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#if defined(__CC_ARM) || defined(__CLANG_ARM)
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#include "RTE_Components.h"
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#if defined(RTE_USING_FINSH)
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#define RT_USING_FINSH
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#endif //RTE_USING_FINSH
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#endif //(__CC_ARM) || (__CLANG_ARM)
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// <<< Use Configuration Wizard in Context Menu >>>
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// <h>Basic Configuration
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// <o>Maximal level of thread priority <8-256>
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// <i>Default: 32
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#define RT_THREAD_PRIORITY_MAX 8
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// <o>OS tick per second
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// <i>Default: 1000 (1ms)
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#define RT_TICK_PER_SECOND 100
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// <o>Alignment size for CPU architecture data access
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// <i>Default: 4
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#define RT_ALIGN_SIZE 8
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// <o>the max length of object name<2-16>
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// <i>Default: 8
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#define RT_NAME_MAX 8
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// <c1>Using RT-Thread components initialization
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// <i>Using RT-Thread components initialization
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#define RT_USING_COMPONENTS_INIT
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// </c>
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#define RT_USING_USER_MAIN
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// <o>the stack size of main thread<1-4086>
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// <i>Default: 512
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#define RT_MAIN_THREAD_STACK_SIZE 1024
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// <o>the stack size of main thread<1-4086>
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// <i>Default: 128
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#define IDLE_THREAD_STACK_SIZE 512
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// </h>
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// <h>Debug Configuration
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// <c1>enable kernel debug configuration
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// <i>Default: enable kernel debug configuration
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//#define RT_DEBUG
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// </c>
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// <o>enable components initialization debug configuration<0-1>
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// <i>Default: 0
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#define RT_DEBUG_INIT 0
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// <c1>thread stack over flow detect
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// <i> Diable Thread stack over flow detect
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//#define RT_USING_OVERFLOW_CHECK
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// </c>
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// </h>
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// <h>Hook Configuration
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// <c1>using hook
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// <i>using hook
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//#define RT_USING_HOOK
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// </c>
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// <c1>using idle hook
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// <i>using idle hook
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//#define RT_USING_IDLE_HOOK
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// </c>
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// </h>
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// <e>Software timers Configuration
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// <i> Enables user timers
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#define RT_USING_TIMER_SOFT 0
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#if RT_USING_TIMER_SOFT == 0
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#undef RT_USING_TIMER_SOFT
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#endif
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// <o>The priority level of timer thread <0-31>
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// <i>Default: 4
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#define RT_TIMER_THREAD_PRIO 4
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// <o>The stack size of timer thread <0-8192>
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// <i>Default: 512
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#define RT_TIMER_THREAD_STACK_SIZE 512
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// </e>
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// <h>IPC(Inter-process communication) Configuration
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// <c1>Using Semaphore
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// <i>Using Semaphore
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#define RT_USING_SEMAPHORE
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// </c>
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// <c1>Using Mutex
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// <i>Using Mutex
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//#define RT_USING_MUTEX
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// </c>
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// <c1>Using Event
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// <i>Using Event
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//#define RT_USING_EVENT
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// </c>
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// <c1>Using MailBox
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// <i>Using MailBox
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#define RT_USING_MAILBOX
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// </c>
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// <c1>Using Message Queue
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// <i>Using Message Queue
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//#define RT_USING_MESSAGEQUEUE
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// </c>
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// </h>
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// <h>Memory Management Configuration
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// <c1>Dynamic Heap Management
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// <i>Dynamic Heap Management
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//#define RT_USING_HEAP
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// </c>
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// <c1>using small memory
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// <i>using small memory
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#define RT_USING_SMALL_MEM
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// </c>
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// <c1>using tiny size of memory
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// <i>using tiny size of memory
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//#define RT_USING_TINY_SIZE
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// </c>
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// </h>
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// <h>Console Configuration
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// <c1>Using console
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// <i>Using console
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#define RT_USING_CONSOLE
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// </c>
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// <o>the buffer size of console <1-1024>
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// <i>the buffer size of console
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// <i>Default: 128 (128Byte)
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#define RT_CONSOLEBUF_SIZE 128
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// </h>
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#if defined(RT_USING_FINSH)
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#define FINSH_USING_MSH
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#define FINSH_USING_MSH_ONLY
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// <h>Finsh Configuration
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// <o>the priority of finsh thread <1-7>
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// <i>the priority of finsh thread
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// <i>Default: 6
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#define __FINSH_THREAD_PRIORITY 5
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#define FINSH_THREAD_PRIORITY (RT_THREAD_PRIORITY_MAX / 8 * __FINSH_THREAD_PRIORITY + 1)
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// <o>the stack of finsh thread <1-4096>
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// <i>the stack of finsh thread
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// <i>Default: 4096 (4096Byte)
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#define FINSH_THREAD_STACK_SIZE 512
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// <o>the history lines of finsh thread <1-32>
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// <i>the history lines of finsh thread
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// <i>Default: 5
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#define FINSH_HISTORY_LINES 1
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#define FINSH_USING_SYMTAB
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// </h>
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#endif
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// <<< end of configuration section >>>
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#endif

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