boot.c-Dateireferenz

#include "lolevel.h"
#include "platform.h"
#include "core.h"
#include "dryos31.h"

Include-Abhängigkeitsdiagramm für boot.c:

gehe zum Quellcode dieser Datei

Makrodefinitionen
#define	offsetof(TYPE, MEMBER)   ((int) &((TYPE *)0)->MEMBER)
#define	DEBUG_LED   ((unsigned volatile *)0xC0220130)
#define	GREEN_LED   ((unsigned volatile *)0xC0220134)

Funktionen
void	CreateTask_spytask ()
void	boot ()
void	task_CaptSeqTask_my ()
void	task_CaptSeq ()
void	task_InitFileModules ()
void	task_MovieRecord ()
void	task_ExpDrv ()
void	task_FileWrite ()
void	taskHook (context_t **context)
void	__attribute__ ((naked, noinline))
void	CreateTask_blinker ()

Variablen
const char *const	new_sa = &_end
long	wrs_kernel_bss_start
long	wrs_kernel_bss_end

Makro-Dokumentation

#define DEBUG_LED   ((unsigned volatile *)0xC0220130)

Definiert in Zeile 40 der Datei boot.c.

#define GREEN_LED   ((unsigned volatile *)0xC0220134)

Definiert in Zeile 41 der Datei boot.c.

#define offsetof	(		TYPE,
			MEMBER
	)		((int) &((TYPE *)0)->MEMBER)

Definiert in Zeile 6 der Datei boot.c.

Dokumentation der Funktionen

void __attribute__

(

(naked, noinline)

)

!!

Definiert in Zeile 147 der Datei boot.c.

                                                       {
        asm volatile (
"                LDR     R0, =0xFF810218\n" // exception handler code
"                MOV     R1, #0\n"
"                LDR     R3, =0xFF810250\n"
"loc_FF8101AC:\n"
"                CMP     R0, R3\n"          // load exception vector
"                LDRCC   R2, [R0],#4\n"
"                STRCC   R2, [R1],#4\n"
"                BCC     loc_FF8101AC\n"
"                LDR     R0, =0xFF810250\n"
"                MOV     R1, #0x4B0\n"
"                LDR     R3, =0xFF810464\n"
"loc_FF8101C8:\n"
"                CMP     R0, R3\n"          // copy IRQ handler to ITCM starting at 0x4b0, 532 bytes up to 0x6C4
"                LDRCC   R2, [R0],#4\n"
"                STRCC   R2, [R1],#4\n"
"                BCC     loc_FF8101C8\n"
"                MOV     R0, #0xD2\n"
"                MSR     CPSR_cxsf, R0\n"   // set CPSR mode = IRQ, ints disabled
"                MOV     SP, #0x1000\n"     // irq mode SP
"                MOV     R0, #0xD3\n"
"                MSR     CPSR_cxsf, R0\n"   // set CPSR mode = Super, ints disabled
"                MOV     SP, #0x1000\n"     // super mode SP
"                LDR     R0, =0x6C4\n"
"                LDR     R2, =0xEEEEEEEE\n"
"                MOV     R3, #0x1000\n"
"loc_FF8101FC:\n"
"                CMP     R0, R3\n"          // clear ITCM 0x6C4-end with EEEEEEEE
"                STRCC   R2, [R0],#4\n"
"                BCC     loc_FF8101FC\n"
"                BL      sub_FF810FC4_my\n" //->
        );
}

void boot

(

)

Definiert in Zeile 38 der Datei boot.c.

            { //#fs
    long *canon_data_src = (void*)0xFFEBFB4C;
    long *canon_data_dst = (void*)0x1900;
    long canon_data_len = 0xD700 - 0x1900;      // data_end - data_start
    long *canon_bss_start = (void*)0xD700;      // just after data
    long canon_bss_len = 0xA47E0 - 0xD700;

    long i;


    // Code taken from VxWorks CHDK. Changes CPU speed?
    asm volatile (
    "MRC     p15, 0, R0,c1,c0\n"
    "ORR     R0, R0, #0x1000\n"
    "ORR     R0, R0, #4\n"
    "ORR     R0, R0, #1\n"
    "MCR     p15, 0, R0,c1,c0\n"
    :::"r0");

    for(i=0;i<canon_data_len/4;i++)
    canon_data_dst[i]=canon_data_src[i];

    for(i=0;i<canon_bss_len/4;i++)
    canon_bss_start[i]=0;

/*    asm volatile (
    "MRC     p15, 0, R0,c1,c0\n"
    "ORR     R0, R0, #0x1000\n"
    "BIC     R0, R0, #4\n"
    "ORR     R0, R0, #1\n"
    "MCR     p15, 0, R0,c1,c0\n"
    :::"r0");
*/

    *(int*)0x1930=(int)taskCreateHook;
    *(int*)0x1934=(int)taskCreateHook;
    *(int*)0x1938=(int)taskCreateHook2;

    // jump to init-sequence that follows the data-copy-routine
    asm volatile ("B      sub_FFC001A4_my\n");
}; //#fe

void CreateTask_blinker

(

)

Definiert in Zeile 624 der Datei boot.c.

                          {
        _CreateTask("Blinker", 0x1, 0x200, task_blinker, 0);
};

void CreateTask_spytask

(

)

Definiert in Zeile 34 der Datei boot.c.

                          {
    _CreateTask("SpyTask", 0x19, 0x2000, core_spytask, 0);
};

void task_CaptSeq

(

)

void task_CaptSeqTask_my

(

)

void task_ExpDrv

(

)

void task_FileWrite

(

)

void task_InitFileModules

(

)

void task_MovieRecord

(

)

void taskHook

(

context_t **

context)

Definiert in Zeile 25 der Datei boot.c.

                                   { 
 task_t *tcb=(task_t*)((char*)context-offsetof(task_t, context));

// physw is done directly to avoid wasting stack space
// if(!_strcmp(tcb->name, "PhySw"))           tcb->entry = (void*)mykbd_task; 
 if(tcb->entry == task_CaptSeq)         tcb->entry = (void*)task_CaptSeqTask_my; 
 if(tcb->entry == task_InitFileModules) tcb->entry = (void*)init_file_modules_task;
 if(tcb->entry == task_MovieRecord)     tcb->entry = (void*)movie_record_task;
 if(tcb->entry == task_ExpDrv)          tcb->entry = (void*)exp_drv_task;
// for development testing with/without, not be needed once development is complete
#ifdef CAM_HAS_FILEWRITETASK_HOOK
 if(tcb->entry == task_FileWrite)   tcb->entry = (void*)filewritetask;
#endif
}

Variablen-Dokumentation

const char* const new_sa = &_end

Definiert in Zeile 8 der Datei boot.c.

long wrs_kernel_bss_end

long wrs_kernel_bss_start