source: branches/release-1_0/loader/a3300/resetcode/main.c @ 1551

/*
 * Operating system has died. Known functions will be killed
 * after memmove.
 *
 * Make sure stack is not used.
 */


void __attribute__((noreturn)) copy_and_restart(void *dst_void, const void *src_void, long length) {

        
        {
                char *dst = dst_void;
                const char *src = src_void;

                if (src < dst && dst < src + length)
                {
                        /* Have to copy backwards */
                        src += length;
                        dst += length;
                        while (length--)
                        {
                                *--dst = *--src;
                        }
                }
                else
                {
                        while (length--)
                        {
                                *dst++ = *src++;
                        }
                }
        }
        
//SX230 found at FF02D3D8
        asm volatile (
                        //SX220 found at FF02D058
               //  "MRS     R0, CPSR\n"            //SX220 not present in dump
               //  "BIC     R0, R0, #0x3F\n"
               //  "ORR     R0, R0, #0xD3\n"
               //  "MSR     CPSR, R0\n"
                 "LDR     R1, =0xC0200000\n"
                 "MVN     R0, #0\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, =0xFF000000\n"            //SX220 was disabled previously
                 "MOV     R0, %0\n"              // new jump-vector
                 "LDMFD   SP!, {R4,LR}\n"
                 "BX      R0\n"
                 : : "r"(dst_void) : "memory","r0","r1","r2","r3","r4"
            );
        
        while(1);
}