boot_hdr.c-Dateireferenz

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

Include-Abhängigkeitsdiagramm für boot_hdr.c:

gehe zum Quellcode dieser Datei

Funktionen
void	createHook (void *pNewTcb)
void	deleteHook (void *pTcb)
void	boot ()

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

Dokumentation der Funktionen

void boot

(

)

Definiert in Zeile 43 der Datei boot.c.

            {

    long *canon_data_src = (void*)0xFFEDAC70;   // value taken at ROM:FFC00188
    long *canon_data_dst = (void*)0x1900;
    long canon_data_len = 0xDF84 - 0x1900; // data_end - data_start 0xDF7C taken at ROM:FFC00138
    long *canon_bss_start = (void*)0xDF84; // just after data 
    long canon_bss_len = 0xD4F38 - 0xDF84; // d4ec8 taken at ROM:FFC00FB4

    long i;

    // enable caches and write buffer...
    // this is a carryover from old dryos ports, may not be useful
    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 ("B      sub_FFC001A4_my\n");
};

void createHook

(

void *

pNewTcb)

Definiert in Zeile 110 der Datei main.c.

{
    char *name = (char*)(*(long*)((char*)pNewTcb+0x34));
    long *entry = (long*)((char*)pNewTcb+0x74);

    // always hook first task creation
    // to create SpyProc
    if (!stop_hooking){
        task_prev = (void*)(*entry);
        *entry = (long)task_start_hook;
        stop_hooking = 1;
    } else {
        // hook/replace another tasks
        if (my_ncmp(name, "tPhySw", 6) == 0){
            *entry = (long)physw_hook;
        }

        if (my_ncmp(name, "tInitFileM", 10) == 0){
            init_file_modules_prev = (void*)(*entry);
#if CAM_MULTIPART
            *entry = (long)init_file_modules_task;
#else
            *entry = (long)init_file_modules_hook;
#endif
        }

        if (my_ncmp(name, "tCaptSeqTa", 10) == 0){
            *entry = (long)capt_seq_hook;
        }

#if CAM_CHDK_HAS_EXT_VIDEO_MENU
        if (my_ncmp(name, "tMovieReco", 10) == 0){
            *entry = (long)movie_record_hook;
        }
#endif

#if CAM_EXT_TV_RANGE
        if (my_ncmp(name, "tExpDrvTas", 10) == 0){
            *entry = (long)exp_drv_task;
        }
#endif

#if CAM_HAS_FILEWRITETASK_HOOK
        if (my_ncmp(name, "tFileWrite", 10) == 0){
            *entry = (long)filewritetask;
        }
#endif

// for cameras that have a "touch control dial" with 'TouchW' task.
// some cameras may use a different task name
#ifdef HOOK_TOUCHW
        if (my_ncmp(name, "tTouchW", 7) == 0){
            *entry = (long)my_touchw_task;
        }
#endif

        core_hook_task_create(pNewTcb);
    }
}

void deleteHook

(

void *

pTcb)

Definiert in Zeile 170 der Datei main.c.

{
    core_hook_task_delete(pTcb);
}

Variablen-Dokumentation

const char* const new_sa = &_end

Definiert in Zeile 6 der Datei boot_hdr.c.

long wrs_kernel_bss_end

long wrs_kernel_bss_start