tms320f28379d fix init (#6343)

解决 tms320f28379d bsp 启动的问题。主要改动如下。

修正context.s中汇编代码错误。在旧版的代码中，操作数为32位而汇编命令却使用了针对16位数据的命令MOV，导致程序在某些情况无法正常启动线程。
由于C28x的平台下，SP只支持16bit寻址，所以用于线程空间存放的heap以及ebss段都需要放在低16位的空间，针对这个问题修改了CMD文件。此外还增加基于CMD文件基于RAM的支持，方便调试。
新增rtdef.h中RT_SECTION，RT_USED，ALIGN和RT_WEAK的定义。旧版bsp中这些定义为空，导致INIT_EXPORT注册的函数失效。
修改程序启动代码，在程序入口直接调用原生启动代码
以上改动在LAUNCHXL-F28379D 通过了测试。

bsp/tms320f28379d/.gitignore

@@ -1 +1,3 @@
-.launches/
+.launches/
+/FLASH/
+/RAM/

bsp/tms320f28379d/.settings/org.eclipse.core.resources.prefs

@@ -24,3 +24,53 @@ encoding//Debug/objects.mk=UTF-8
 encoding//Debug/sources.mk=UTF-8
 encoding//Debug/subdir_rules.mk=UTF-8
 encoding//Debug/subdir_vars.mk=UTF-8
+encoding//FLASH/DeviceDrivers/ipc/subdir_rules.mk=UTF-8
+encoding//FLASH/DeviceDrivers/ipc/subdir_vars.mk=UTF-8
+encoding//FLASH/DeviceDrivers/subdir_rules.mk=UTF-8
+encoding//FLASH/DeviceDrivers/subdir_vars.mk=UTF-8
+encoding//FLASH/Kernel/subdir_rules.mk=UTF-8
+encoding//FLASH/Kernel/subdir_vars.mk=UTF-8
+encoding//FLASH/applications/subdir_rules.mk=UTF-8
+encoding//FLASH/applications/subdir_vars.mk=UTF-8
+encoding//FLASH/c28x/subdir_rules.mk=UTF-8
+encoding//FLASH/c28x/subdir_vars.mk=UTF-8
+encoding//FLASH/drivers/subdir_rules.mk=UTF-8
+encoding//FLASH/drivers/subdir_vars.mk=UTF-8
+encoding//FLASH/finsh/subdir_rules.mk=UTF-8
+encoding//FLASH/finsh/subdir_vars.mk=UTF-8
+encoding//FLASH/libraries/common/source/subdir_rules.mk=UTF-8
+encoding//FLASH/libraries/common/source/subdir_vars.mk=UTF-8
+encoding//FLASH/libraries/headers/cmd/subdir_rules.mk=UTF-8
+encoding//FLASH/libraries/headers/cmd/subdir_vars.mk=UTF-8
+encoding//FLASH/libraries/headers/source/subdir_rules.mk=UTF-8
+encoding//FLASH/libraries/headers/source/subdir_vars.mk=UTF-8
+encoding//FLASH/makefile=UTF-8
+encoding//FLASH/objects.mk=UTF-8
+encoding//FLASH/sources.mk=UTF-8
+encoding//FLASH/subdir_rules.mk=UTF-8
+encoding//FLASH/subdir_vars.mk=UTF-8
+encoding//RAM/DeviceDrivers/ipc/subdir_rules.mk=UTF-8
+encoding//RAM/DeviceDrivers/ipc/subdir_vars.mk=UTF-8
+encoding//RAM/DeviceDrivers/subdir_rules.mk=UTF-8
+encoding//RAM/DeviceDrivers/subdir_vars.mk=UTF-8
+encoding//RAM/Kernel/subdir_rules.mk=UTF-8
+encoding//RAM/Kernel/subdir_vars.mk=UTF-8
+encoding//RAM/applications/subdir_rules.mk=UTF-8
+encoding//RAM/applications/subdir_vars.mk=UTF-8
+encoding//RAM/c28x/subdir_rules.mk=UTF-8
+encoding//RAM/c28x/subdir_vars.mk=UTF-8
+encoding//RAM/drivers/subdir_rules.mk=UTF-8
+encoding//RAM/drivers/subdir_vars.mk=UTF-8
+encoding//RAM/finsh/subdir_rules.mk=UTF-8
+encoding//RAM/finsh/subdir_vars.mk=UTF-8
+encoding//RAM/libraries/common/source/subdir_rules.mk=UTF-8
+encoding//RAM/libraries/common/source/subdir_vars.mk=UTF-8
+encoding//RAM/libraries/headers/cmd/subdir_rules.mk=UTF-8
+encoding//RAM/libraries/headers/cmd/subdir_vars.mk=UTF-8
+encoding//RAM/libraries/headers/source/subdir_rules.mk=UTF-8
+encoding//RAM/libraries/headers/source/subdir_vars.mk=UTF-8
+encoding//RAM/makefile=UTF-8
+encoding//RAM/objects.mk=UTF-8
+encoding//RAM/sources.mk=UTF-8
+encoding//RAM/subdir_rules.mk=UTF-8
+encoding//RAM/subdir_vars.mk=UTF-8

bsp/tms320f28379d/2837x_FLASH_lnk_cpu1.cmd

@@ -1,4 +1,4 @@
-
+___heap_end = 0x010000;
 MEMORY
 {
 PAGE 0 :  /* Program Memory */
@@ -6,14 +6,8 @@ PAGE 0 :  /* Program Memory */
           /* BEGIN is used for the "boot to Flash" bootloader mode   */
 
    BEGIN           	: origin = 0x080000, length = 0x000002
-   RAMLS0          	: origin = 0x008000, length = 0x000800
-   RAMLS1          	: origin = 0x008800, length = 0x000800
-   RAMLS2      		: origin = 0x009000, length = 0x000800
-   RAMLS3      		: origin = 0x009800, length = 0x000800
-   RAMLS4      		: origin = 0x00A000, length = 0x000800
-   RAMGS14          : origin = 0x01A000, length = 0x001000
-   RAMGS15          : origin = 0x01B000, length = 0x001000
    RESET           	: origin = 0x3FFFC0, length = 0x000002
+   RAMGS8_15      : origin = 0x013000, length = 0x009000
    
    /* Flash sectors */
    FLASHA           : origin = 0x080002, length = 0x001FFE	/* on-chip Flash */
@@ -33,31 +27,10 @@ PAGE 0 :  /* Program Memory */
 
 PAGE 1 : /* Data Memory */
          /* Memory (RAM/FLASH) blocks can be moved to PAGE0 for program allocation */
-
    BOOT_RSVD       : origin = 0x000002, length = 0x000120     /* Part of M0, BOOT rom will use this for stack */
-   RAMM1           : origin = 0x000400, length = 0x000400     /* on-chip RAM block M1 */
-   RAMD1           : origin = 0x00B800, length = 0x000800
    RAMM0           : origin = 0x000122, length = 0x0002DE
-   RAMD0           : origin = 0x00B000, length = 0x000800
-
-   RAMLS5      : origin = 0x00A800, length = 0x000800
-
-   RAMGS0      : origin = 0x00C000, length = 0x001000
-   RAMGS1      : origin = 0x00D000, length = 0x001000
-   RAMGS2      : origin = 0x00E000, length = 0x001000
-   RAMGS3      : origin = 0x00F000, length = 0x001000
-   RAMGS4      : origin = 0x010000, length = 0x001000
-   RAMGS5      : origin = 0x011000, length = 0x001000
-   RAMGS6      : origin = 0x012000, length = 0x001000
-   RAMGS7      : origin = 0x013000, length = 0x001000
-   RAMGS8      : origin = 0x014000, length = 0x001000
-   RAMGS9      : origin = 0x015000, length = 0x001000
-   RAMGS10     : origin = 0x016000, length = 0x001000
-   RAMGS11     : origin = 0x017000, length = 0x001000
-   RAMGS12     : origin = 0x018000, length = 0x001000
-   RAMGS13     : origin = 0x019000, length = 0x001000
-
-   
+   RAMM1           : origin = 0x000400, length = 0x000400     /* on-chip RAM block M1 */
+   EBSS	       		: origin = 0x008000, length = 0x008000     /* RAMLS0-4, 5*0x0800   */
    CPU2TOCPU1RAM   : origin = 0x03F800, length = 0x000400
    CPU1TOCPU2RAM   : origin = 0x03FC00, length = 0x000400
 }
@@ -66,15 +39,15 @@ PAGE 1 : /* Data Memory */
 SECTIONS
 {
    /* Allocate program areas: */
-   .cinit              : > FLASHB      PAGE = 0, ALIGN(4)
-   .pinit              : > FLASHB,     PAGE = 0, ALIGN(4)
-   .text               : >> FLASHB | FLASHC | FLASHD | FLASHE      PAGE = 0, ALIGN(4)
+   .cinit              : > FLASHF      PAGE = 0, ALIGN(4)
+   .pinit              : > FLASHF,     PAGE = 0, ALIGN(4)
+   .text               : >> FLASHE      PAGE = 0, ALIGN(4)
    codestart           : > BEGIN       PAGE = 0, ALIGN(4)
 
 #ifdef __TI_COMPILER_VERSION__
    #if __TI_COMPILER_VERSION__ >= 15009000
-    .TI.ramfunc : {} LOAD = FLASHD,
-                         RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
+    .TI.ramfunc : {} LOAD = FLASHF,
+                         RUN = RAMGS8_15,
                          LOAD_START(_RamfuncsLoadStart),
                          LOAD_SIZE(_RamfuncsLoadSize),
                          LOAD_END(_RamfuncsLoadEnd),
@@ -83,8 +56,8 @@ SECTIONS
                          RUN_END(_RamfuncsRunEnd),
                          PAGE = 0, ALIGN(4)
    #else
-   ramfuncs            : LOAD = FLASHD,
-                         RUN = RAMLS0 | RAMLS1 | RAMLS2 |RAMLS3,
+   ramfuncs            : LOAD = FLASHF,
+                         RUN = RAMGS8_15,
                          LOAD_START(_RamfuncsLoadStart),
                          LOAD_SIZE(_RamfuncsLoadSize),
                          LOAD_END(_RamfuncsLoadEnd),
@@ -95,25 +68,32 @@ SECTIONS
    #endif
 #endif
 
-   FSymTab : > RAMD0, PAGE = 1, ALIGN(4)
+   FSymTab : > RAMM1, PAGE = 1, ALIGN(4)
    LOAD_START(___fsymtab_start)
    LOAD_END(___fsymtab_end)
-   
+   .rti_fn.0.end    : > RAMM1,     PAGE = 1
+   .rti_fn.0        : > RAMM1,     PAGE = 1
+   .rti_fn.1        : > RAMM1,     PAGE = 1
+   .rti_fn.2        : > RAMM1,     PAGE = 1
+   .rti_fn.3        : > RAMM1,     PAGE = 1
+   .rti_fn.4        : > RAMM1,     PAGE = 1
+   .rti_fn.5        : > RAMM1,     PAGE = 1
+   .rti_fn.1.end    : > RAMM1,     PAGE = 1
+   .rti_fn.6.end    : > RAMM1,     PAGE = 1
+   .rti_fn.6        : > RAMM1,     PAGE = 1
    /* Allocate uninitalized data sections: */
    .stack              : > RAMM1        PAGE = 1
-   .ebss               : >> RAMLS5 | RAMGS0 | RAMGS1       PAGE = 1
-   .esysmem            : >> RAMGS2 | RAMGS3 | RAMGS4 | RAMGS5 | RAMGS6 | RAMGS7 | RAMGS8 | RAMGS9 | RAMGS10 | RAMGS11 | RAMGS12 | RAMGS13    PAGE = 1
+   .ebss            : > EBSS,
+			   LOAD_START(___ebss_start),
+			   LOAD_END(___ebss_end),
+			   PAGE = 1
+   .esysmem            : >> RAMM1     PAGE = 1
 
    /* Initalized sections go in Flash */
-   .econst             : >> FLASHF | FLASHG | FLASHH      PAGE = 0, ALIGN(4)
-   .switch             : > FLASHB      PAGE = 0, ALIGN(4)
+   .econst             : >> FLASHF      PAGE = 0, ALIGN(4)
+   .switch             : > FLASHF      PAGE = 0, ALIGN(4)
    
    .reset              : > RESET,     PAGE = 0, TYPE = DSECT /* not used, */
-
-   Filter_RegsFile     : > RAMGS0,	   PAGE = 1
-   
-   SHARERAMGS0		: > RAMGS0,		PAGE = 1
-   SHARERAMGS1		: > RAMGS1,		PAGE = 1
    
    /* The following section definitions are required when using the IPC API Drivers */ 
     GROUP : > CPU1TOCPU2RAM, PAGE = 1 

bsp/tms320f28379d/2837x_RAM_lnk_cpu1.cmd

@@ -0,0 +1,78 @@
+___heap_end = 0x00F000;
+
+MEMORY
+{
+PAGE 0 :
+   /* BEGIN is used for the "boot to SARAM" bootloader mode   */
+
+    BEGIN          : origin = 0x000000, length = 0x000002
+    RAMM0          : origin = 0x000122, length = 0x0002DE
+    RESET          : origin = 0x3FFFC0, length = 0x000002
+    RAMGS8_15      : origin = 0x013000, length = 0x009000
+
+PAGE 1 :
+    RAMM1          : origin = 0x000400, length = 0x000400     /* on-chip RAM block M1 */
+    BOOT_RSVD      : origin = 0x000002, length = 0x000120     /* Part of M0, BOOT rom will use this for stack */
+    EBSS	       : origin = 0x008000, length = 0x007000     /* RAMLS0-4, 5*0x0800   */
+    ECONST         : origin = 0x00F000, length = 0x004000     /* RAMGS0-2, 3*0x1000   */
+    CPU2TOCPU1RAM  : origin = 0x03F800, length = 0x000400
+    CPU1TOCPU2RAM  : origin = 0x03FC00, length = 0x000400
+}
+
+SECTIONS
+{
+   codestart        : > BEGIN,     PAGE = 0
+   
+#ifdef __TI_COMPILER_VERSION__
+   #if __TI_COMPILER_VERSION__ >= 15009000
+    .TI.ramfunc : {} > RAMM0,      PAGE = 0
+   #else
+   ramfuncs         : > RAMM0      PAGE = 0   
+   #endif
+#endif   
+   .text            : > RAMGS8_15, PAGE = 0
+   .cinit           : > RAMM0,     PAGE = 0
+   .pinit           : > RAMM0,     PAGE = 0
+   .switch          : > RAMM0,     PAGE = 0
+   .reset           : > RESET,     PAGE = 0, TYPE = DSECT /* not used, */
+   .rti_fn.0.end    : > RAMM1,     PAGE = 1
+   .rti_fn.0        : > RAMM1,     PAGE = 1
+   .rti_fn.1.end    : > RAMM1,     PAGE = 1
+   .rti_fn.6.end    : > RAMM1,     PAGE = 1
+   .rti_fn.6        : > RAMM1,     PAGE = 1
+   .stack           : > RAMM1,     PAGE = 1
+   .esysmem         : > RAMM1,    PAGE = 1
+
+   .ebss            : > EBSS,
+				   LOAD_START(___ebss_start),
+				   LOAD_END(___ebss_end),
+				   PAGE = 1
+
+   .econst          : > ECONST,  PAGE = 1
+
+   /* finsh symbol table */
+   FSymTab          : > RAMM1,     PAGE = 1, ALIGN(4)
+   LOAD_START(___fsymtab_start)
+   LOAD_END(___fsymtab_end)
+
+   /* The following section definitions are required when using the IPC API Drivers */ 
+    GROUP : > CPU1TOCPU2RAM, PAGE = 1 
+    {
+        PUTBUFFER 
+        PUTWRITEIDX 
+        GETREADIDX 
+    }
+    
+    GROUP : > CPU2TOCPU1RAM, PAGE = 1
+    {
+        GETBUFFER :    TYPE = DSECT
+        GETWRITEIDX :  TYPE = DSECT
+        PUTREADIDX :   TYPE = DSECT
+    }  
+}
+
+/*
+//===========================================================================
+// End of file.
+//===========================================================================
+*/

bsp/tms320f28379d/Kconfig

@@ -22,7 +22,7 @@ config SOC_TMS320F28X
     bool
     select ARCH_TIDSP_C28X
     select RT_USING_COMPONENTS_INIT
-    # select RT_USING_USER_MAIN
+    select RT_USING_USER_MAIN
     default y
 
 source "$RTT_DIR/Kconfig"

bsp/tms320f28379d/README.md

@@ -46,10 +46,9 @@ TMS320F28379D 程序的编译和下载要使用的是 TI 官方提供的 Code Co
 ![import_dia](figures/import_dia.png)
 
 ### 2.2 编译工程
-使用 CCS 内置的 C 编译器可以进行工程的编译。CCS 8 需要使用 TI v18.1.3.LTS 编译器。CCS 10 需要使用 TI v20.2.1.LTS 及以上版本编译器（v20.2.0.LTS及以下版本的编译器有bug编译时会出现segmentation fault）。本文使用的是 Code Composer Studio 10.1.1 和 TI v20.2.4.LTS 编译器的组合（已经配置在工程文件中）。导入工程后，在右边的 Project Explorer 列表里可以看到刚刚导入的 rt-thread 工程，右键点击，在弹出的菜单中选择 Build Project 即可开始编译。
-
-![build](figures/build.png)
-
+使用 CCS 内置的 C 编译器可以进行工程的编译。CCS 8 需要使用 TI v18.1.3.LTS 编译器。CCS 10 需要使用 TI v20.2.1.LTS 及以上版本编译器（v20.2.0.LTS及以下版本的编译器有bug编译时会出现segmentation fault）。本文使用的是 Code Composer Studio 10.1.1 和 TI v20.2.4.LTS 编译器的组合（已经配置在工程文件中）。导入工程后，在右边的 Project Explorer 列表里可以看到刚刚导入的 rt-thread 工程。本BSP提供两种编译的方式，分别用于在RAM中执行和在FLASH中执行。
+如图所示可以选择RAM和FLASH进行build。
+![](figures/build.png)
 ## 3. 烧写及执行
 
 编译完成后，可以开始下载和调试。把开发板和电脑通过 Mini-USB 线连接，使用 CCS 中的烧写功能可直接通过板载 XDS100v2 仿真器烧写并执行。
@@ -94,9 +93,9 @@ TMS320F28379D 程序的编译和下载要使用的是 TI 官方提供的 Code Co
 
 ## 6. 联系人信息
 
-维护人：xuzhuoyi < xzy476386434@vip.qq.com >
-qiyu < qiyu_sjtu@163.com >
-guyunjie < yunjie.gu1@gmail.com >
+维护人：
+1. guyunjie < yunjie.gu1@gmail.com >
+2. qiyu < qiyu_sjtu@163.com >
 
 ## 7. 参考
 

bsp/tms320f28379d/applications/application.c

@@ -1,38 +0,0 @@
-/*
- * Copyright (c) 2006-2018, RT-Thread Development Team
- *
- * SPDX-License-Identifier: Apache-2.0
- *
- * Change Logs:
- * Date           Author       Notes
- * 2009-01-05     Bernard      the first version
- * 2014-04-27     Bernard      make code cleanup. 
- */
-
-#include <board.h>
-#include <rtthread.h>
-
-#ifdef RT_USING_FINSH
-#include "shell.h"
-#endif
-
-void rt_init_thread_entry(void* parameter)
-{
-#ifdef RT_USING_FINSH
-    finsh_system_init();
-#endif
-}
-
-int rt_application_init()
-{
-    rt_thread_t tid;
-
-    tid = rt_thread_create("init",
-        rt_init_thread_entry, RT_NULL,
-        2048, RT_THREAD_PRIORITY_MAX/3, 20);
-
-    if (tid != RT_NULL)
-        rt_thread_startup(tid);
-
-    return 0;
-}

bsp/tms320f28379d/applications/startup.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -7,80 +7,22 @@
  * Date           Author       Notes
  * 2006-08-31     Bernard      first implementation
  * 2018-09-02     xuzhuoyi     modify for TMS320F28379D version
+ * 2022-08-21     yuqi         modify the entry function
  */
 
 #include <stdint.h>
 #include <rthw.h>
 #include <rtthread.h>
-
 #include "board.h"
 
-
-/*@{*/
-
-extern int  rt_application_init(void);
-
-
-/*******************************************************************************
-* Function Name  : assert_failed
-* Description    : Reports the name of the source file and the source line number
-*                  where the assert error has occurred.
-* Input          : - file: pointer to the source file name
-*                  - line: assert error line source number
-* Output         : None
-* Return         : None
-*******************************************************************************/
-void assert_failed(uint16_t* file, uint32_t line)
-{
-    rt_kprintf("\n\r Wrong parameter value detected on\r\n");
-    rt_kprintf("       file  %s\r\n", file);
-    rt_kprintf("       line  %d\r\n", line);
-
-    while (1) ;
-}
-
-/**
- * This function will startup RT-Thread RTOS.
- */
-void rtthread_startup(void)
-{
-    /* init board */
-    rt_hw_board_init();
-
-    /* show version */
-    rt_show_version();
-
-    /* init timer system */
-    rt_system_timer_init();
-
-    /* init scheduler system */
-    rt_system_scheduler_init();
-
-    /* init application */
-    rt_application_init();
-
-    /* init timer thread */
-    rt_system_timer_thread_init();
-
-    /* init idle thread */
-    rt_thread_idle_init();
-
-    /* start scheduler */
-    rt_system_scheduler_start();
-
-    /* never reach here */
-    return ;
-}
-
 int main(void)
 {
-    /* disable interrupt first */
-    rt_hw_interrupt_disable();
+    unsigned long x=10000;
 
-    /* startup RT-Thread RTOS */
-    rtthread_startup();
-
-    return 0;
+    while(x)
+    {
+        x--;
+    }
 }
 
 /*@}*/

bsp/tms320f28379d/drivers/board.c

@@ -8,6 +8,7 @@
  * 2009-09-22     Bernard      add board.h to this bsp
  * 2018-09-02     xuzhuoyi     modify for TMS320F28379D version
  * 2022-06-21     guyunjie     fix bugs in trap_rtosint and enable interrupt nesting
+ * 2022-08-21     yuqi         adding onboard devices initialization code
  */
 #include <rtthread.h>
 #include "board.h"
@@ -21,7 +22,6 @@ extern volatile rt_uint8_t rt_interrupt_nest;
 extern rt_uint32_t rt_thread_switch_interrupt_flag;
 
 extern interrupt void RTOSINT_Handler();
-
 void trap_rtosint()
 {
     if(rt_thread_switch_interrupt_flag)
@@ -75,6 +75,10 @@ void rt_hw_board_init()
 
     InitPieVectTable();
 
+#ifdef _FLASH
+    memcpy(&RamfuncsRunStart, &RamfuncsLoadStart, (Uint32)&RamfuncsLoadSize);
+    InitFlash();
+#endif
     EALLOW;  // This is needed to write to EALLOW protected registers
     PieVectTable.TIMER2_INT = &cpu_timer2_isr;
     PieVectTable.RTOS_INT = &RTOSINT_Handler;
@@ -86,10 +90,12 @@ void rt_hw_board_init()
     IER |= M_INT14;
 
 #ifdef RT_USING_HEAP
-    rt_system_heap_init((void *)HEAP_BEGIN, (void *)HEAP_END);
+    rt_system_heap_init(&__ebss_end, &(__heap_end));
 #endif
 
+#ifdef RT_USING_SERIAL
     rt_hw_sci_init();
+#endif
 
 #ifdef RT_USING_COMPONENTS_INIT
     rt_components_board_init();
@@ -97,6 +103,19 @@ void rt_hw_board_init()
 #if defined(RT_USING_CONSOLE) && defined(RT_USING_DEVICE)
     rt_console_set_device(RT_CONSOLE_DEVICE_NAME);
 #endif
-    /*this hook may cause problem for reasons unknown*/
+
     rt_interrupt_leave_sethook((void (*)(void))trap_rtosint);
 }
+
+int _args_main()
+{
+    /* _args_main is the entry point called by _c_int00. We define it
+     * here to override the one defined by the compiler in args_main.c */
+
+    extern int rtthread_startup();
+
+    /* startup RT-Thread RTOS */
+    rtthread_startup();
+    /* never reach here*/
+    return 0;
+}

bsp/tms320f28379d/drivers/board.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -14,10 +14,9 @@
 
 #include <rtthread.h>
 
-#define C28X_SRAM_END          0x00020000
 
-#define HEAP_BEGIN  0x0000E000
-#define HEAP_END    C28X_SRAM_END
+extern int __ebss_end;
+extern int __heap_end;
 
 extern void rt_hw_board_init(void);
 

bsp/tms320f28379d/rtconfig.h

@@ -53,6 +53,9 @@
 /* RT-Thread Components */
 
 #define RT_USING_COMPONENTS_INIT
+#define RT_USING_USER_MAIN
+#define RT_MAIN_THREAD_STACK_SIZE 2048
+#define RT_MAIN_THREAD_PRIORITY 4
 #define RT_USING_MSH
 #define RT_USING_FINSH
 #define FINSH_USING_MSH
@@ -121,24 +124,58 @@
 
 /* language packages */
 
+/* JSON: JavaScript Object Notation, a lightweight data-interchange format */
+
+
+/* XML: Extensible Markup Language */
+
 
 /* multimedia packages */
 
+/* LVGL: powerful and easy-to-use embedded GUI library */
+
+
+/* u8g2: a monochrome graphic library */
+
+
+/* PainterEngine: A cross-platform graphics application framework written in C language */
+
 
 /* tools packages */
 
 
 /* system packages */
 
+/* enhanced kernel services */
+
+
+/* acceleration: Assembly language or algorithmic acceleration packages */
+
+
+/* CMSIS: ARM Cortex-M Microcontroller Software Interface Standard */
+
+
+/* Micrium: Micrium software products porting for RT-Thread */
+
 
 /* peripheral libraries and drivers */
 
 
+/* Kendryte SDK */
+
+
+/* AI packages */
+
+
 /* miscellaneous packages */
 
+/* project laboratory */
 
 /* samples: kernel and components samples */
 
+
+/* entertainment: terminal games and other interesting software packages */
+
 #include "rtconfig_project.h"
 
 #endif

include/rtdef.h

@@ -208,11 +208,11 @@ typedef __gnuc_va_list              va_list;
 /* The way that TI compiler set section is different from other(at least
     * GCC and MDK) compilers. See ARM Optimizing C/C++ Compiler 5.9.3 for more
     * details. */
-#define RT_SECTION(x)
-#define RT_USED
+#define RT_SECTION(x)               __attribute__((section(x)))
+#define RT_USED                     __attribute__((used))
 #define PRAGMA(x)                   _Pragma(#x)
-#define ALIGN(n)
-#define RT_WEAK
+#define ALIGN(n)                    __attribute__((aligned(n)))
+#define RT_WEAK                     __attribute__((weak))
 #define rt_inline                   static inline
 #define RTT_API
 #elif defined (__TASKING__)

libcpu/ti-dsp/c28x/cpuport.c

@@ -76,9 +76,8 @@ rt_uint8_t *rt_hw_stack_init(void       *tentry,
     unsigned long       i;
 
     stk  = stack_addr;
-    stk  = (rt_uint8_t *)RT_ALIGN((rt_uint32_t)stk, 8);
-    //stk -= sizeof(struct stack_frame);
-    stk += 1;
+    stk  = (rt_uint8_t *)RT_ALIGN((rt_uint32_t)stk, 2);
+    stk += 1; /*to work around the stack alignment*/
 
     stack_frame = (struct stack_frame *)stk;
 

src/components.c

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2021, RT-Thread Development Team
+ * Copyright (c) 2006-2022, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -145,7 +145,6 @@ int $Sub$$main(void)
     return 0;
 }
 #elif defined(__ICCARM__)
-extern int main(void);
 /* __low_level_init will auto called by IAR cstartup */
 extern void __iar_data_init3(void);
 int __low_level_init(void)
@@ -194,7 +193,7 @@ void main_thread_entry(void *parameter)
         extern int $Super$$main(void);
         $Super$$main(); /* for ARMCC. */
     }
-#elif defined(__ICCARM__) || defined(__GNUC__) || defined(__TASKING__)
+#elif defined(__ICCARM__) || defined(__GNUC__) || defined(__TASKING__) || defined(__TI_COMPILER_VERSION__)
     main();
 #endif
 }