[ruby] view plain copy print ?

1. __start--                                 #处理器执行的第一条指令  
2.         |  
3.         v  
4.    stm32_clockconfig()------              #初始化时钟  
5.                            |  
6.                            v  
7.                  rcc_reset()              #复位rcc  
8.                  stm32_stdclockconfig()   #初始化标准时钟  
9.                  rcc_enableperipherals()  #使能外设时钟  
10.                            |  
11.         --------------------  
12.         |  
13.         v  
14.    stm32_fpuconfig()                      #配置fpu，shenzhou/nsh未调用  
15.    stm32_lowsetup()                       #基本初始化串口，之后可以使用up_lowputc()  
16.    stm32_gpioinit()                       #初始化gpio，只是调用stm32_gpioremap()设置重映射  
17.    up_earlyserialinit()                   #初始化串口，之后可以使用up_putc()  
18.    stm32_boardinitialize()--              #板级初始化  
19.                            |  
20.                            v  
21.                  stm32_spiinitialize()    #初始化spi，只是调用stm32_configgpio()设置gpio  
22.                  stm32_usbinitialize()    #初始化usb，只是调用stm32_configgpio()设置gpio  
23.                  board_led_initialize()   #初始化led，只是调用stm32_configgpio()设置gpio  
24.                            |  
25.         --------------------  
26.         |  
27.         v  
28.    os_start()---------------              #初始化操作系统  
29.                            |  
30.                            v  
31.                  dq_init()                #初始化各种状态的任务列表（置为null）  
32.                  g_pidhash[i]=            #初始化唯一可以确定的元素--进程ID  
33.                  g_pidhash[PIDHASH(0)]=   #分配空闲任务的进程ID为0  
34.                  g_idletcb=               #初始化空闲任务的任务控制块  
35.                  sem_initialize()--       #初始化信号量  
36.                                   |  
37.                                   v  
38.                        dq_init()          #将信号量队列置为null  
39.                        sem_initholders()  #初始化持有者结构以支持优先级继承，shenzhou/nsh未调用  
40.                                   |  
41.                            --------  
42.                            |  
43.                            v  
44.                  up_allocate_heap()       #分配用户模式的堆（设置堆的起点和大小）  
45.                  kumm_initialize()        #初始化用户模式的堆  
46.                  up_allocate_kheap()      #分配内核模式的堆，shenzhou/nsh未调用  
47.                  kmm_initialize()         #初始化内核模式的堆，shenzhou/nsh未调用  
48.                  task_initialize()        #初始化任务数据结构，shenzhou/nsh未调用  
49.                  irq_initialize()         #将所有中断向量都指向同一个异常中断处理程序  
50.                  wd_initialize()          #初始化看门狗数据结构  
51.                  clock_initialize()       #初始化rtc  
52.                  timer_initialize()       #配置POSIX定时器  
53.                  sig_initialize()         #初始化信号  
54.                  mq_initialize()          #初始化命名消息队列  
55.                  pthread_initialize()     #初始化线程特定的数据，空函数  
56.                  fs_initialize()---       #初始化文件系统  
57.                                   |  
58.                                   v  
59.                        sem_init()         #初始化节点信号量为1  
60.                        files_initialize() #初始化文件数组，空函数  
61.                                   |  
62.                            --------  
63.                            |  
64.                            v  
65.                  net_initialize()--       #初始化网络  
66.                                   |  
67.                                   v  
68.                        uip_initialize()   #初始化uIP层  
69.                        net_initroute()    #初始化路由表，shenzhou/nsh未调用  
70.                        netdev_seminit()   #初始化网络设备信号量  
71.                        arptimer_init()    #初始化ARP定时器  
72.                                   |  
73.                            --------  
74.                            |  
75.                            v  
76.                  up_initialize()---       #处理器特定的初始化  
77.                                   |  
78.                                   v  
79.                        up_calibratedelay()#校准定时器  
80.                        up_addregion()     #增加额外的内存段  
81.                        up_irqinitialize() #设置中断优先级，关联硬件异常处理函数  
82.                        up_pminitialize()  #初始化电源管理，shenzhou/nsh未调用  
83.                        up_dmainitialize() #初始化DMA，shenzhou/nsh未调用  
84.                        up_timerinit()     #初始化定时器中断  
85.                        devnull_register() #注册/dev/null  
86.                        devzero_register() #注册/dev/zero，shenzhou/nsh未调用  
87.                        up_serialinit()    #注册串口控制台/dev/console和串口/dev/ttyS0  
88.                        up_rnginitialize() #初始化并注册随机数生成器，shenzhou/nsh未调用  
89.                        up_netinitialize() #初始化网络，是arch/arm/src/chip/stm32_eth.c中的  
90.                        up_usbinitialize() #初始化usb驱动，shenzhou/nsh未调用  
91.                        board_led_on()     #打开中断使能led，但很快会被其它地方的led操作改变状态  
92.                                   |  
93.                            --------  
94.                            |  
95.                            v  
96.                  lib_initialize()         #初始化c库，空函数  
97.                  group_allocate()         #分配空闲组  
98.                  group_setupidlefiles()   #在空闲任务上创建stdout、stderr、stdin  
99.                  group_initialize()       #完全初始化空闲组  
100.                  os_bringup()------       #创建初始任务  
101.                                   |  
102.                                   v  
103.                        KEKERNEL_THREAD()  #启动内核工作者线程  
104.                        board_initialize() #最后一刻的板级初始化，shenzhou/nsh未调用  
105.                        TASK_CREATE()      #启动默认应用程序  
106.                                   |  
107.                            --------  
108.                            |  
109.                            v  
110.                  for up_idle()            #空闲任务循环  
111.                            |  
112.         --------------------  
113.         |  
114.         v  
115.    for(;;)                                #不应该到达这里  

__start--                                 #处理器执行的第一条指令|vstm32_clockconfig()------              #初始化时钟|vrcc_reset()              #复位rccstm32_stdclockconfig()   #初始化标准时钟rcc_enableperipherals()  #使能外设时钟|--------------------|vstm32_fpuconfig()                      #配置fpu，shenzhou/nsh未调用stm32_lowsetup()                       #基本初始化串口，之后可以使用up_lowputc()stm32_gpioinit()                       #初始化gpio，只是调用stm32_gpioremap()设置重映射up_earlyserialinit()                   #初始化串口，之后可以使用up_putc()stm32_boardinitialize()--              #板级初始化|vstm32_spiinitialize()    #初始化spi，只是调用stm32_configgpio()设置gpiostm32_usbinitialize()    #初始化usb，只是调用stm32_configgpio()设置gpioboard_led_initialize()   #初始化led，只是调用stm32_configgpio()设置gpio|--------------------|vos_start()---------------              #初始化操作系统|vdq_init()                #初始化各种状态的任务列表（置为null）g_pidhash[i]=            #初始化唯一可以确定的元素--进程IDg_pidhash[PIDHASH(0)]=   #分配空闲任务的进程ID为0g_idletcb=               #初始化空闲任务的任务控制块sem_initialize()--       #初始化信号量|vdq_init()          #将信号量队列置为nullsem_initholders()  #初始化持有者结构以支持优先级继承，shenzhou/nsh未调用|--------|vup_allocate_heap()       #分配用户模式的堆（设置堆的起点和大小）kumm_initialize()        #初始化用户模式的堆up_allocate_kheap()      #分配内核模式的堆，shenzhou/nsh未调用kmm_initialize()         #初始化内核模式的堆，shenzhou/nsh未调用task_initialize()        #初始化任务数据结构，shenzhou/nsh未调用irq_initialize()         #将所有中断向量都指向同一个异常中断处理程序wd_initialize()          #初始化看门狗数据结构clock_initialize()       #初始化rtctimer_initialize()       #配置POSIX定时器sig_initialize()         #初始化信号mq_initialize()          #初始化命名消息队列pthread_initialize()     #初始化线程特定的数据，空函数fs_initialize()---       #初始化文件系统|vsem_init()         #初始化节点信号量为1files_initialize() #初始化文件数组，空函数|--------|vnet_initialize()--       #初始化网络|vuip_initialize()   #初始化uIP层net_initroute()    #初始化路由表，shenzhou/nsh未调用netdev_seminit()   #初始化网络设备信号量arptimer_init()    #初始化ARP定时器|--------|vup_initialize()---       #处理器特定的初始化|vup_calibratedelay()#校准定时器up_addregion()     #增加额外的内存段up_irqinitialize() #设置中断优先级，关联硬件异常处理函数up_pminitialize()  #初始化电源管理，shenzhou/nsh未调用up_dmainitialize() #初始化DMA，shenzhou/nsh未调用up_timerinit()     #初始化定时器中断devnull_register() #注册/dev/nulldevzero_register() #注册/dev/zero，shenzhou/nsh未调用up_serialinit()    #注册串口控制台/dev/console和串口/dev/ttyS0up_rnginitialize() #初始化并注册随机数生成器，shenzhou/nsh未调用up_netinitialize() #初始化网络，是arch/arm/src/chip/stm32_eth.c中的up_usbinitialize() #初始化usb驱动，shenzhou/nsh未调用board_led_on()     #打开中断使能led，但很快会被其它地方的led操作改变状态|--------|vlib_initialize()         #初始化c库，空函数group_allocate()         #分配空闲组group_setupidlefiles()   #在空闲任务上创建stdout、stderr、stdingroup_initialize()       #完全初始化空闲组os_bringup()------       #创建初始任务|vKEKERNEL_THREAD()  #启动内核工作者线程board_initialize() #最后一刻的板级初始化，shenzhou/nsh未调用TASK_CREATE()      #启动默认应用程序|--------|vfor up_idle()            #空闲任务循环|--------------------|vfor(;;)                                #不应该到达这里