main.c-Dateireferenz

#include "../generic/check_compat.c"

Include-Abhängigkeitsdiagramm für main.c:

gehe zum Quellcode dieser Datei

Funktionen
void	__attribute__ ((noreturn))

Variablen
long *	blob_chdk_core
long	blob_chdk_core_size

Dokumentation der Funktionen

void __attribute__

(

(noreturn)

)

Definiert in Zeile 11 der Datei main.c.

                                            {

    // DEBUG LED STUFF
    //#define DEBUG_LED 0xC0220130    // Greed Led at the Backside
    //#define DEBUG_LED_DELAY 10000000
    //volatile long *pDebugLed = (void*)DEBUG_LED;
    //int DebugLedCounter;

    // DEBUG: blink led
    //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x46;  while (DebugLedCounter--) { asm("nop\n nop\n"); };
    //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x44;  while (DebugLedCounter--) { asm("nop\n nop\n"); };

    {
        // char *dst = dst_void;
        // const char *src = src_void;
        long *dst = (long*)MEMISOSTART;
        const long *src = blob_chdk_core;
        long length = (blob_chdk_core_size + 3) >> 2;

        if (src < dst && dst < src + length) {
            // Have to copy backwards
            src += length;
            dst += length;
            while (length--) {
                *--dst = *--src;
            }
        } else {
            while (length--) {
                *dst++ = *src++;
            }
        }
    }

    // DEBUG: blink again
    //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x46;  while (DebugLedCounter--) { asm("nop\n nop\n"); };
    //DebugLedCounter = DEBUG_LED_DELAY; *pDebugLed = 0x44;  while (DebugLedCounter--) { asm("nop\n nop\n"); };

    // DEBUG: jump to canon firmware (causing a boot loop)
    //dst_void = (void*) 0xFF810000;

    // ROM:FF83BBFC
    // search for "0x12345678"
    // same as G11
    asm volatile (
        "MRS     R0, CPSR\n"
        "BIC     R0, R0, #0x3F\n"
        "ORR     R0, R0, #0xD3\n"
        "MSR     CPSR, R0\n"
        "LDR     R1, =0xC0200000\n"
        "MOV     R0, #0xFFFFFFFF\n"
        "STR     R0, [R1,#0x10C]\n"
        "STR     R0, [R1,#0xC]\n"
        "STR     R0, [R1,#0x1C]\n"
        "STR     R0, [R1,#0x2C]\n"
        "STR     R0, [R1,#0x3C]\n"
        "STR     R0, [R1,#0x4C]\n"
        "STR     R0, [R1,#0x5C]\n"
        "STR     R0, [R1,#0x6C]\n"
        "STR     R0, [R1,#0x7C]\n"
        "STR     R0, [R1,#0x8C]\n"
        "STR     R0, [R1,#0x9C]\n"
        "STR     R0, [R1,#0xAC]\n"
        "STR     R0, [R1,#0xBC]\n"
        "STR     R0, [R1,#0xCC]\n"
        "STR     R0, [R1,#0xDC]\n"
        "STR     R0, [R1,#0xEC]\n"
        "CMP     R4, #7\n"
        "STR     R0, [R1,#0xFC]\n"
        "LDMEQFD SP!, {R4,PC}\n"
        "MOV     R0, #0x78\n"
        "MCR     p15, 0, R0,c1,c0\n"
        "MOV     R0, #0\n"
        "MCR     p15, 0, R0,c7,c10, 4\n"
        "MCR     p15, 0, R0,c7,c5\n"
        "MCR     p15, 0, R0,c7,c6\n"
        "MOV     R0, #0x80000006\n"
        "MCR     p15, 0, R0,c9,c1\n"
        "MCR     p15, 0, R0,c9,c1, 1\n"
        "MRC     p15, 0, R0,c1,c0\n"
        "ORR     R0, R0, #0x50000\n"
        "MCR     p15, 0, R0,c1,c0\n"
        "LDR     R0, =0x12345678\n"
        "MOV     R1, #0x80000000\n"
        "STR     R0, [R1,#0xFFC]\n"
        //"LDR     R0, =0xFF810000\n"   // canon jump-vector (causing a boot loop too)
        "MOV     R0, %0\n"              // + new jump-vector
        "LDMFD   SP!, {R4,LR}\n"
        "BX      R0\n"
        : : "r"(MEMISOSTART) : "memory","r0","r1","r2","r3","r4"
    );

    while(1);

}

Variablen-Dokumentation

long* blob_chdk_core

Definiert in Zeile 1 der Datei blobs.S.

long blob_chdk_core_size