Add support with PLUS-F5270 Board

board/MM32F5270/BSP/Inc/board_init.h

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2022 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#ifndef __BOARD_INIT_H__
+#define __BOARD_INIT_H__
+
+#include <stdio.h>
+#include <stdint.h>
+
+#include "hal_common.h"
+#include "hal_rcc.h"
+#include "hal_uart.h"
+
+#include "clock_init.h"
+#include "pin_init.h"
+
+/* DEBUG UART. */
+#define BOARD_DEBUG_UART_PORT        UART1
+#define BOARD_DEBUG_UART_IRQ         UART1_IRQn
+#define BOARD_DEBUG_UART_BAUDRATE    115200u
+#define BOARD_DEBUG_UART_FREQ        CLOCK_APB2_FREQ
+
+void BOARD_Init(void);
+
+#endif /* __BOARD_INIT_H__ */

board/MM32F5270/BSP/Inc/clock_init.h

@@ -0,0 +1,21 @@
+/*
+ * Copyright 2022 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#ifndef __CLOCK_INIT_H__
+#define __CLOCK_INIT_H__
+
+#include "hal_common.h"
+
+#define CLOCK_SYS_FREQ         120000000u
+#define CLOCK_SYSTICK_FREQ     (CLOCK_SYS_FREQ/8u)
+#define CLOCK_AHB1_FREQ        120000000u
+#define CLOCK_APB1_FREQ        60000000u
+#define CLOCK_APB2_FREQ        60000000u
+
+void BOARD_InitBootClocks(void);
+

board/MM32F5270/BSP/Inc/pin_init.h

@@ -0,0 +1,14 @@
+/*
+ * Copyright 2022 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#ifndef __PIN_INIT_H__
+#define __PIN_INIT_H__
+
+void BOARD_InitPins(void);
+
+#endif /* __PIN_INIT_H__ */

board/MM32F5270/BSP/Src/board_init.c

@@ -0,0 +1,179 @@
+/*
+ * Copyright 2022 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#include "board_init.h"
+#include "hal_gpio.h"
+#include "tos_shell.h"
+
+/*
+* Definitions.
+*/
+
+/*
+* Declerations.
+*/
+void BOARD_InitDebugConsole(void);
+
+/*
+* Functions.
+*/
+void BOARD_Init(void)
+{
+    BOARD_InitBootClocks();
+    BOARD_InitPins();
+
+    BOARD_InitDebugConsole();
+}
+
+void BOARD_InitDebugConsole(void)
+{
+    UART_Init_Type uart_init;
+
+    uart_init.ClockFreqHz   = BOARD_DEBUG_UART_FREQ;
+    uart_init.BaudRate      = BOARD_DEBUG_UART_BAUDRATE;
+    uart_init.WordLength    = UART_WordLength_8b;
+    uart_init.StopBits      = UART_StopBits_1;
+    uart_init.Parity        = UART_Parity_None;
+    uart_init.XferMode      = UART_XferMode_RxTx;
+    uart_init.HwFlowControl = UART_HwFlowControl_None;
+    UART_Init(BOARD_DEBUG_UART_PORT, &uart_init);
+    UART_EnableInterrupts(BOARD_DEBUG_UART_PORT, UART_ISR_RXINTF_MASK, true);
+    UART_Enable(BOARD_DEBUG_UART_PORT, true);
+
+    NVIC_SetPriority(BOARD_DEBUG_UART_IRQ, (1UL << __NVIC_PRIO_BITS) - 2UL);
+}
+
+#if defined(__ARMCC_VERSION)
+int fputc(int c, FILE *f)
+{
+    (void)(f);
+    while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    UART_PutData(BOARD_DEBUG_UART_PORT, (uint8_t)(c));
+    return c;
+}
+
+int fgetc(FILE *f)
+{
+    (void)(f);
+    while ( 0u == (UART_STATUS_RX_DONE & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    return UART_GetData(BOARD_DEBUG_UART_PORT);
+}
+
+#elif defined(__GNUC__)
+
+/*
+ * Called by libc stdio fwrite functions
+ */
+int _write(int fd, char *ptr, int len)
+{
+    int i = 0;
+
+    /*
+     * write "len" of char from "ptr" to file id "fd"
+     * Return number of char written.
+     *
+    * Only work for STDOUT, STDIN, and STDERR
+     */
+    if (fd > 2)
+    {
+        return -1;
+    }
+
+    while (*ptr && (i < len))
+    {
+        while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+        {}
+        UART_PutData(BOARD_DEBUG_UART_PORT, (uint8_t)(*ptr));
+        i++;
+        ptr++;
+    }
+
+    return i;
+}
+
+/*
+ * Called by the libc stdio fread fucntions
+ *
+ * Implements a buffered read with line editing.
+ */
+int _read(int fd, char *ptr, int len)
+{
+    int my_len;
+
+    if (fd > 2)
+    {
+        return -1;
+    }
+
+    my_len = 0;
+    while (len > 0)
+    {
+        while ( 0u == (UART_STATUS_RX_DONE & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+        {}
+        *ptr = UART_GetData(BOARD_DEBUG_UART_PORT);
+        len--;
+        my_len++;
+
+        if ( (*ptr == '\r') || (*ptr == '\n') || (*ptr == '\0') )
+        {
+            break;
+        }
+
+        ptr++;
+    }
+
+    return my_len; /* return the length we got */
+}
+
+
+int putchar(int c)
+{
+    while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    UART_PutData(BOARD_DEBUG_UART_PORT, (uint8_t)(c));
+    return c;
+}
+
+int getchar(void)
+{
+    while ( 0u == (UART_STATUS_RX_DONE & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    return UART_GetData(BOARD_DEBUG_UART_PORT);
+}
+
+#elif (defined(__ICCARM__))
+/* These function __write and __read is used to support IAR toolchain to printf and scanf. */
+
+int fputc(int ch, FILE *f)
+{
+    while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    UART_PutData(BOARD_DEBUG_UART_PORT, (uint8_t)(ch));
+    return ch;
+}
+
+int fgetc(FILE *f)
+{
+    while ( 0u == (UART_STATUS_RX_DONE & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    return UART_GetData(BOARD_DEBUG_UART_PORT);
+}
+
+#endif
+void UART1_IRQHandler(void)
+{
+    uint8_t data = 0;
+    if (UART_ISR_RXINTF_MASK & UART_GetInterruptStatus(BOARD_DEBUG_UART_PORT))
+    {
+        data = UART_GetData(BOARD_DEBUG_UART_PORT);
+        tos_shell_input_byte(data);
+    }
+}
+/* EOF. */

board/MM32F5270/BSP/Src/clock_init.c

@@ -0,0 +1,117 @@
+/*
+ * Copyright 2021 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "hal_common.h"
+#include "clock_init.h"
+#include "tos_k.h"
+#include "tos_shell.h"
+
+#include "hal_rcc.h"
+
+void CLOCK_ResetToDefault(void);
+void CLOCK_BootToHSI96MHz(void);
+void CLOCK_BootToHSE96MHz(void);
+void CLOCK_BootToHSE120MHz(void);
+
+void BOARD_InitBootClocks(void)
+{
+    CLOCK_ResetToDefault();
+    CLOCK_BootToHSE120MHz();
+
+    /* UART1. */
+    RCC_EnableAPB2Periphs(RCC_APB2_PERIPH_UART1, true);
+    RCC_ResetAPB2Periphs(RCC_APB2_PERIPH_UART1);
+
+    /* GPIOB. */
+    RCC_EnableAHB1Periphs(RCC_AHB1_PERIPH_GPIOB, true);
+    RCC_ResetAHB1Periphs(RCC_AHB1_PERIPH_GPIOB);
+
+    /* GPIOI. */
+    RCC_EnableAHB1Periphs(RCC_AHB1_PERIPH_GPIOI, true);
+    RCC_ResetAHB1Periphs(RCC_AHB1_PERIPH_GPIOI);
+}
+
+/* Switch to HSI. */
+void CLOCK_ResetToDefault(void)
+{
+    /* Switch to HSI. */
+    RCC->CR |= RCC_CR_HSION_MASK; /* Make sure the HSI is enabled. */
+    while ( RCC_CR_HSIRDY_MASK != (RCC->CR & RCC_CR_HSIRDY_MASK) )
+    {
+    }
+    RCC->CFGR = RCC_CFGR_SW(0u); /* Reset other clock sources and switch to HSI. */
+    while ( RCC_CFGR_SWS(0u) != (RCC->CFGR & RCC_CFGR_SWS_MASK) ) /* Wait while the SYSCLK is switch to the HSI. */
+    {
+    }
+
+    /* Reset all other clock sources. */
+    RCC->CR = RCC_CR_HSION_MASK;
+
+    /* Disable all interrupts and clear pending bits. */
+    RCC->CIR = RCC->CIR; /* clear flags. */
+    RCC->CIR = 0u; /* disable interrupts. */
+}
+
+/* Enable the PLL1 and use the HSE as input clock source. */
+void CLOCK_BootToHSE120MHz(void)
+{
+    RCC->APB1ENR |= (1u << 28u); /* enable PWR/DBG. */
+    PWR->CR1 = (PWR->CR1 & ~PWR_CR1_VOS_MASK) | PWR_CR1_VOS(3u); /* 1.7V. */
+
+    /* enable HSE. */
+    RCC->CR |= RCC_CR_HSEON_MASK;
+    while ( RCC_CR_HSERDY_MASK != (RCC->CR & RCC_CR_HSERDY_MASK) )
+    {
+    }
+
+    RCC->PLL1CFGR = RCC_PLL1CFGR_PLL1SRC(1) /* (pllsrc == 1) ? HSE : HSI. */
+                 | RCC_PLL1CFGR_PLL1MUL(19) /* (12 * (19 + 1)) / 2 = 120. */
+                 | RCC_PLL1CFGR_PLL1DIV(1)
+                 | RCC_PLL1CFGR_PLL1LDS(1)
+                 | RCC_PLL1CFGR_PLL1ICTRL(3)
+                 ;
+
+    /* Enable PLL1. */
+    RCC->CR |= RCC_CR_PLL1ON_MASK;
+    while((RCC->CR & RCC_CR_PLL1RDY_MASK) == 0)
+    {
+    }
+
+    /* Enable the FLASH prefetch. */
+    RCC->AHB1ENR |= (1u << 13u); /* enable the access to FLASH. */
+    FLASH->ACR = FLASH_ACR_LATENCY(4u) /* setup divider. */
+               | FLASH_ACR_PRFTBE_MASK /* enable flash prefetch. */
+               ;
+
+    /* Setup the dividers for each bus. */
+    RCC->CFGR = RCC_CFGR_HPRE(0)   /* div=1 for AHB freq. */
+              | RCC_CFGR_PPRE1(0x4)  /* div=2 for APB1 freq. */
+              | RCC_CFGR_PPRE2(0x4)  /* div=2 for APB2 freq. */
+              | RCC_CFGR_MCO(7)    /* use PLL1 as output. */
+              ;
+
+    /* Switch the system clock source to PLL. */
+    RCC->CFGR = (RCC->CFGR & ~RCC_CFGR_SW_MASK) | RCC_CFGR_SW(2); /* use PLL as SYSCLK */
+
+
+    /* Wait till PLL is used as system clock source. */
+    while ( (RCC->CFGR & RCC_CFGR_SWS_MASK) != RCC_CFGR_SWS(2) )
+    {
+    }
+}
+
+void SysTick_Handler(void)
+{
+  if (tos_knl_is_running())
+  {
+    tos_knl_irq_enter();
+    tos_tick_handler();
+    tos_knl_irq_leave();
+  }
+}
+
+/* EOF. */

board/MM32F5270/BSP/Src/pin_init.c

@@ -0,0 +1,37 @@
+/*
+ * Copyright 2022 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+
+#include "pin_init.h"
+#include "hal_rcc.h"
+#include "hal_gpio.h"
+
+void BOARD_InitPins(void)
+{
+    /* PB7 - UART1_TX. */
+    GPIO_Init_Type gpio_init;
+    gpio_init.Pins  = GPIO_PIN_6;
+    gpio_init.PinMode  = GPIO_PinMode_AF_PushPull; //GPIO_PinMode_AF_PushPull
+    gpio_init.Speed = GPIO_Speed_50MHz;
+    GPIO_Init(GPIOB, &gpio_init);
+    GPIO_PinAFConf(GPIOB, gpio_init.Pins, GPIO_AF_7);
+
+    /* PB6 - UART1_RX. */
+    gpio_init.Pins  = GPIO_PIN_7;
+    gpio_init.PinMode  = GPIO_PinMode_In_Floating; //GPIO_PinMode_In_Floating
+    gpio_init.Speed = GPIO_Speed_50MHz;
+    GPIO_Init(GPIOB, &gpio_init);
+    GPIO_PinAFConf(GPIOB, gpio_init.Pins, GPIO_AF_7);
+
+    /* PI0 - GPIO. */
+    gpio_init.Pins  = GPIO_PIN_0;
+    gpio_init.PinMode  = GPIO_PinMode_Out_PushPull;
+    gpio_init.Speed = GPIO_Speed_50MHz;
+    GPIO_Init(GPIOI, &gpio_init);
+    GPIO_WriteBit(GPIOI, GPIO_PIN_0, 1);
+}
+

board/MM32F5270/BSP/Src/syscalls.c

@@ -0,0 +1,184 @@
+/**
+*****************************************************************************
+**
+**  File        : syscalls.c
+**
+**  Author	    : Auto-generated by STM32CubeIDE
+**
+**  Abstract    : STM32CubeIDE Minimal System calls file
+**
+** 		          For more information about which c-functions
+**                need which of these lowlevel functions
+**                please consult the Newlib libc-manual
+**
+**  Environment : STM32CubeIDE MCU
+**
+**  Distribution: The file is distributed as is, without any warranty
+**                of any kind.
+**
+*****************************************************************************
+**
+** <h2><center>&copy; COPYRIGHT(c) 2018 STMicroelectronics</center></h2>
+**
+** 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 of STMicroelectronics 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 HOLDER 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.
+**
+**
+*****************************************************************************
+*/
+
+/* Includes */
+#include <sys/stat.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <stdio.h>
+#include <signal.h>
+#include <time.h>
+#include <sys/time.h>
+#include <sys/times.h>
+
+
+/* Variables */
+//#undef errno
+extern int errno;
+extern int __io_putchar(int ch) __attribute__((weak));
+extern int __io_getchar(void) __attribute__((weak));
+
+register char * stack_ptr asm("sp");
+
+char *__env[1] = { 0 };
+char **environ = __env;
+
+
+/* Functions */
+void initialise_monitor_handles()
+{
+}
+
+int _getpid(void)
+{
+	return 1;
+}
+
+int _kill(int pid, int sig)
+{
+	errno = EINVAL;
+	return -1;
+}
+
+void _exit (int status)
+{
+	_kill(status, -1);
+	while (1) {}		/* Make sure we hang here */
+}
+
+__attribute__((weak)) int _read(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		*ptr++ = __io_getchar();
+	}
+
+return len;
+}
+
+__attribute__((weak)) int _write(int file, char *ptr, int len)
+{
+	int DataIdx;
+
+	for (DataIdx = 0; DataIdx < len; DataIdx++)
+	{
+		__io_putchar(*ptr++);
+	}
+	return len;
+}
+
+int _close(int file)
+{
+	return -1;
+}
+
+
+int _fstat(int file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _isatty(int file)
+{
+	return 1;
+}
+
+int _lseek(int file, int ptr, int dir)
+{
+	return 0;
+}
+
+int _open(char *path, int flags, ...)
+{
+	/* Pretend like we always fail */
+	return -1;
+}
+
+int _wait(int *status)
+{
+	errno = ECHILD;
+	return -1;
+}
+
+int _unlink(char *name)
+{
+	errno = ENOENT;
+	return -1;
+}
+
+int _times(struct tms *buf)
+{
+	return -1;
+}
+
+int _stat(char *file, struct stat *st)
+{
+	st->st_mode = S_IFCHR;
+	return 0;
+}
+
+int _link(char *old, char *new)
+{
+	errno = EMLINK;
+	return -1;
+}
+
+int _fork(void)
+{
+	errno = EAGAIN;
+	return -1;
+}
+
+int _execve(char *name, char **argv, char **env)
+{
+	errno = ENOMEM;
+	return -1;
+}

board/MM32F5270/GCC/hello_world/Makefile

@@ -0,0 +1,234 @@
+##########################################################################################################################
+# File automatically-generated by tool: [projectgenerator] version: [3.3.0] date: [Mon Aug 05 10:29:11 CST 2019]
+##########################################################################################################################
+
+# ------------------------------------------------
+# Generic Makefile (based on gcc)
+#
+# ChangeLog :
+#	2022-08-17 - Port to MM32F250
+#	2022-04-13 - Port to GD32F310-START
+#	2017-02-10 - Several enhancements + project update mode
+#   2015-07-22 - first version
+# ------------------------------------------------
+
+######################################
+# target
+######################################
+TARGET = TencentOS_tiny
+
+
+######################################
+# building variables
+######################################
+# debug build?
+DEBUG = 1
+# optimization
+OPT = -O0
+
+TOP_DIR = ../../../..
+#######################################
+# paths
+#######################################
+# Build path
+BUILD_DIR = build
+
+######################################
+# source
+######################################
+# C sources
+KERNEL_SRC =  \
+        ${wildcard $(TOP_DIR)/kernel/core/*.c}
+        C_SOURCES += $(KERNEL_SRC)
+
+ARCH_SRC =  \
+        ${wildcard $(TOP_DIR)/arch/arm/arm-v8m/star-mc1/gcc/*.c} \
+        ${wildcard $(TOP_DIR)/arch/arm/arm-v8m/common/*.c}
+        C_SOURCES += $(ARCH_SRC)
+
+BOARD_SRC = \
+        ${wildcard $(TOP_DIR)/board/MM32F5270/BSP/Src/*.c} \
+        ${wildcard $(TOP_DIR)/board/MM32F5270/GCC/hello_world/main.c}
+
+HAL_DRIVER_SRC =  $(BOARD_SRC) \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/system_mm32f5277e.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_dma.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_exti.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_gpio.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_power.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_rcc.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_syscfg.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_tim.c \
+		$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers/hal_uart.c
+
+C_SOURCES += $(HAL_DRIVER_SRC) 
+
+# ASM sources
+ASM_SOURCES_S =  \
+$(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/armgcc/startup_mm32f5277e.S
+
+ASM_SOURCES_S +=  \
+$(TOP_DIR)/arch/arm/arm-v8m/star-mc1/gcc/port_s.S
+
+COMPONENTS_SRC = \
+		$(TOP_DIR)/components/shell/tos_shell.c \
+		$(TOP_DIR)/components/shell/tos_shell_commands.c
+        C_SOURCES += $(COMPONENTS_SRC) 
+
+#######################################
+# binaries
+#######################################
+PREFIX = arm-none-eabi-
+# The gcc compiler bin path can be either defined in make command via GCC_PATH variable (> make GCC_PATH=xxx)
+# either it can be added to the PATH environment variable.
+ifdef GCC_PATH
+CC = $(GCC_PATH)/$(PREFIX)gcc
+AS = $(GCC_PATH)/$(PREFIX)gcc -x assembler-with-cpp
+CP = $(GCC_PATH)/$(PREFIX)objcopy
+SZ = $(GCC_PATH)/$(PREFIX)size
+else
+CC = $(PREFIX)gcc
+AS = $(PREFIX)gcc -x assembler-with-cpp
+CP = $(PREFIX)objcopy
+SZ = $(PREFIX)size
+endif
+HEX = $(CP) -O ihex
+BIN = $(CP) -O binary -S
+ 
+#######################################
+# CFLAGS
+#######################################
+# cpu
+CPU = -mcpu=cortex-m33
+
+# fpu
+FPU = -mfpu=fpv4-sp-d16
+
+# float-abi
+FLOAT-ABI = -mfloat-abi=hard
+
+# asm extra flags
+ASM_EXTRA_FLAGS = -DDEBUG -D__STARTUP_CLEAR_BSS -D__STARTUP_INITIALIZE_NONCACHEDATA -g -fno-common -ffreestanding -fno-builtin -mapcs -std=gnu99
+
+# C extra flags
+C_EXTRA_FLAGS = -MMD -MP -fno-common -ffreestanding -fno-builtin -mapcs -std=gnu99
+
+# C++ extra flags
+CXX_EXTRA_FLAGS = -MMD -MP -fno-common -ffreestanding -fno-builtin -mapcs -fno-rtti -fno-exceptions
+
+# mcu
+MCU = $(CPU) -mthumb $(FPU) $(FLOAT-ABI)
+
+# macros for gcc
+# AS defines
+AS_DEFS = 
+
+# C defines
+C_DEFS =  \
+-DMM32F5270
+
+# AS includes
+AS_INCLUDES = 
+
+# C includes
+KERNEL_INC = \
+        -I $(TOP_DIR)/kernel/core/include  \
+        -I $(TOP_DIR)/kernel/pm/include  \
+        -I $(TOP_DIR)/kernel/hal/include \
+        -I $(TOP_DIR)/arch/arm/arm-v8m/common/include \
+        -I $(TOP_DIR)/arch/arm/arm-v8m/star-mc1/gcc \
+        -I $(TOP_DIR)/board/MM32F5270/TOS-CONFIG
+C_INCLUDES += $(KERNEL_INC)
+
+CMSIS_INC = \
+        -I $(TOP_DIR)/osal/cmsis_os \
+		-I $(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527 \
+		-I $(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/CMSIS/Include
+
+C_INCLUDES += $(CMSIS_INC)
+
+HAL_DRIVER_INC =  \
+		-I $(TOP_DIR)/board/MM32F5270/BSP/Inc \
+		-I $(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/drivers
+C_INCLUDES += $(HAL_DRIVER_INC)
+
+COMPONENTS_INC = \
+		-I $(TOP_DIR)/components/shell/include
+C_INCLUDES += $(COMPONENTS_INC)
+
+# compile gcc flags
+ASFLAGS = $(MCU) $(ASM_EXTRA_FLAGS) $(AS_DEFS) $(AS_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+CFLAGS = $(MCU) $(C_EXTRA_FLAGS) $(C_DEFS) $(C_INCLUDES) $(OPT) -Wall -fdata-sections -ffunction-sections
+
+ifeq ($(DEBUG), 1)
+CFLAGS += -g -gdwarf-2
+endif
+
+
+# Generate dependency information
+CFLAGS += -MMD -MP -MF"$(@:%.o=%.d)"
+
+
+#######################################
+# LDFLAGS
+#######################################
+# link script
+LDSCRIPT = $(TOP_DIR)/platform/vendor_bsp/MindMotion/MM32F527/armgcc/linker/mm32f5277e_flash.ld
+
+# libraries
+LIBS = -lc -lm -lnosys 
+LIBDIR = 
+LDFLAGS = $(MCU) -specs=nosys.specs -specs=nano.specs -fno-common -ffunction-sections -fdata-sections -ffreestanding -fno-builtin -mthumb -mapcs -Xlinker --gc-sections -Xlinker -static -Xlinker -z -Xlinker muldefs -Xlinker -T$(LDSCRIPT) $(LIBDIR) $(LIBS) -Wl,-Map=$(BUILD_DIR)/$(TARGET).map,--cref -Wl,--gc-sections
+
+# default action: build all
+all: $(BUILD_DIR)/$(TARGET).elf $(BUILD_DIR)/$(TARGET).hex $(BUILD_DIR)/$(TARGET).bin
+
+
+#######################################
+# build the application
+#######################################
+# list of objects
+OBJECTS = $(addprefix $(BUILD_DIR)/,$(notdir $(C_SOURCES:.c=.o)))
+vpath %.c $(sort $(dir $(C_SOURCES)))
+# list of ASM program objects
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES:.s=.o)))
+vpath %.s $(sort $(dir $(ASM_SOURCES)))
+OBJECTS += $(addprefix $(BUILD_DIR)/,$(notdir $(ASM_SOURCES_S:.S=.o)))
+vpath %.S $(sort $(dir $(ASM_SOURCES_S)))
+
+$(BUILD_DIR)/%.o: %.c Makefile | $(BUILD_DIR) 
+	$(CC) -c $(CFLAGS) -Wa,-a,-ad,-alms=$(BUILD_DIR)/$(notdir $(<:.c=.lst)) $< -o $@
+
+$(BUILD_DIR)/%.o: %.s Makefile | $(BUILD_DIR)
+	$(AS) -c $(CFLAGS) $< -o $@
+	
+$(BUILD_DIR)/%.o: %.S Makefile | $(BUILD_DIR)
+	$(AS) -c $(CFLAGS) $< -o $@
+
+$(BUILD_DIR)/$(TARGET).elf: $(OBJECTS) Makefile
+	$(CC) $(OBJECTS) $(LDFLAGS) -o $@
+	$(SZ) $@
+
+$(BUILD_DIR)/%.hex: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(HEX) $< $@
+	
+$(BUILD_DIR)/%.bin: $(BUILD_DIR)/%.elf | $(BUILD_DIR)
+	$(BIN) $< $@	
+	@cp $@ ./$(notdir $@)
+	
+$(BUILD_DIR):
+	mkdir $@		
+
+#######################################
+# clean up
+#######################################
+clean:
+	-rm -fR $(BUILD_DIR)
+  
+#######################################
+# dependencies
+#######################################
+-include $(wildcard $(BUILD_DIR)/*.d)
+
+# *** EOF ***

board/MM32F5270/GCC/hello_world/main.c

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2021 MindMotion Microelectronics Co., Ltd.
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#include "board_init.h"
+#include "tos_shell.h"
+#include "hal_gpio.h"
+
+#define APPLICATION_TASK_STK_SIZE       0x1000
+k_task_t application_task;
+uint8_t application_task_stk[APPLICATION_TASK_STK_SIZE];
+static char gs_cmd_buffer[32];
+
+__attribute__ ((__weak__)) void application_entry(void *arg)
+{
+    NVIC_EnableIRQ(BOARD_DEBUG_UART_IRQ);
+    while (1) {
+        GPIO_WriteBit(GPIOI, GPIO_PIN_0, 0);
+        tos_task_delay(1000);
+        GPIO_WriteBit(GPIOI, GPIO_PIN_0, 1);
+        tos_task_delay(1000);
+    }
+}
+
+static void board_shell_output_t(const char ch)
+{
+    if (ch == '\n')
+    {
+        while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+        {}
+        UART_PutData(BOARD_DEBUG_UART_PORT, '\r');
+    }
+    while ( 0u == (UART_STATUS_TX_EMPTY & UART_GetStatus(BOARD_DEBUG_UART_PORT)) )
+    {}
+    UART_PutData(BOARD_DEBUG_UART_PORT, ch);
+}
+
+/*
+ * Functions.
+ */
+int main(void)
+{
+    BOARD_Init();
+
+    tos_knl_init();
+    tos_task_create(&application_task, "main_task", application_entry, NULL, 1, application_task_stk, APPLICATION_TASK_STK_SIZE, 0);
+    tos_shell_init(gs_cmd_buffer, sizeof(gs_cmd_buffer), board_shell_output_t, NULL);
+    tos_knl_start();
+
+    return 0;
+}
+
+/* EOF. */
+

board/MM32F5270/GCC/hello_world/readme.md

@@ -0,0 +1,12 @@
+# hello_world
+
+## 实验过程
+
++ 打印“tshell>”
++ 用户通过串口向设备发送任意字符，设备通过串口返回用户发送的字符。
+
+## 实验结果
+
+tshell>ps
+
+LED4 以周期 1s 闪烁

board/MM32F5270/TOS-CONFIG/tickless/tos_config.h

@@ -0,0 +1,41 @@
+#ifndef _TOS_CONFIG_H_
+#define  _TOS_CONFIG_H_
+
+#include "stm32l4xx.h"
+
+#define TOS_CFG_TASK_PRIO_MAX           10u
+
+#define TOS_CFG_ROUND_ROBIN_EN          1u
+
+#define TOS_CFG_OBJECT_VERIFY_EN           1u
+
+#define TOS_CFG_TASK_DYNAMIC_CREATE_EN  0u
+
+#define TOS_CFG_EVENT_EN                1u
+
+#define TOS_CFG_MMBLK_EN                1u
+
+#define TOS_CFG_MMHEAP_EN               1u
+
+#define TOS_CFG_MMHEAP_DEFAULT_POOL_SIZE        0x6000
+
+#define TOS_CFG_MUTEX_EN                1u
+
+#define TOS_CFG_TIMER_EN                1u
+
+#define TOS_CFG_PWR_MGR_EN              1u
+
+#define TOS_CFG_TICKLESS_EN             1u
+
+#define TOS_CFG_SEM_EN                  1u
+
+#define TOS_CFG_IDLE_TASK_STK_SIZE      512u
+
+#define TOS_CFG_CPU_TICK_PER_SECOND     1000u
+
+#define TOS_CFG_CPU_CLOCK               (SystemCoreClock)
+
+#define TOS_CFG_TIMER_AS_PROC           1u
+
+#endif
+

board/MM32F5270/TOS-CONFIG/tos_config.h

@@ -0,0 +1,47 @@
+#ifndef _TOS_CONFIG_H_
+#define  _TOS_CONFIG_H_
+
+#include "mm32f5277e.h"
+
+#define TOS_CFG_TASK_PRIO_MAX           10u
+
+#define TOS_CFG_ROUND_ROBIN_EN          1u
+
+#define TOS_CFG_OBJECT_VERIFY_EN        1u
+
+#define TOS_CFG_TASK_DYNAMIC_CREATE_EN  0u
+
+#define TOS_CFG_EVENT_EN                1u
+
+#define TOS_CFG_MMBLK_EN                1u
+
+#define TOS_CFG_MMHEAP_EN               0u
+
+#define TOS_CFG_MMHEAP_DEFAULT_POOL_SIZE        0x400
+
+#define TOS_CFG_MUTEX_EN                1u
+
+#define TOS_CFG_TIMER_EN                1u
+
+#define TOS_CFG_PWR_MGR_EN              0u
+
+#define TOS_CFG_TICKLESS_EN             0u
+
+#define TOS_CFG_SEM_EN                  1u
+
+#define TOS_CFG_TASK_STACK_DRAUGHT_DEPTH_DETACT_EN      1u
+
+#define TOS_CFG_FAULT_BACKTRACE_EN      1u
+
+#define TOS_CFG_IDLE_TASK_STK_SIZE      1024u
+
+#define TOS_CFG_CPU_TICK_PER_SECOND     1000u
+
+#define TOS_CFG_CPU_CLOCK               (120000000)
+
+#define TOS_CFG_TIMER_AS_PROC           1u
+
+#define TOS_CFG_MAIL_QUEUE_EN           1u
+
+#endif
+