int main() {
char *pch;
char word[] = "Hello world";
char key[] = "Secret";
char input[80];
char str1[]="Sample string";
char str2[40];
char str3[40];
char str[] = "fcba73";
char keys[] = "1234567890";
char *substring;
int i;
printf("%s's length is %d\n",word,asm_strlen(word));
pch=asm_strchr(word,'l');
while(pch!=NULL) {
printf("Using asm_strchr, 'l' is at position : %d\n",pch-word+1);
pch=asm_strchr(pch+1,'l');
}
pch = (char*) asm_memchr(word, 'l', asm_strlen(word));
if (pch!=NULL)
printf ("Using asm_memchr, 'l' found at position %d.\n", pch-word+1);
else
printf ("'l' not found.\n");
printf("Using asm_memset, %s is now : ",word);
asm_memset(word,'-',6);
puts (word);
do {
printf ("Type 'Secret' to quit (using asm_strcmp)\n");
gets (input);
} while (asm_strcmp (key,input) != 0);
pch = asm_strcpy(str2,"asm_strcpy is awesome");
asm_strcpy (str3,"Yeah, really awesome");
printf ("str1: %s\nstr2: %s\nstr3: %s\n",pch,str2,str3);
pch=asm_strrchr(key,'e');
printf ("With asm_strrchr, the last occurence of 'e' was found at %d \n",pch-key+1);
printf ("Using asm_execute, the result of add(3,4,5) is : %d\n",asm_execute(add,3,4,5));
i = asm_strcspn (str,keys);
printf ("Using asm_strcspn, the first number in %s is at position %d.\n",str,i+1);
substring = asm_substr(keys,-3,3);
printf("The three last chars of %s are %s\n",keys, substring);
substring = asm_substr(keys,0,3);
printf("And the three first chars of %s are %s\n",keys, substring);
asm_memcpy (str3,"copy successful",16);
printf("%s\n", str3);
return 0;
}
void firmlaunch_arm9hax()
{
invalidate_data_cache();
invalidate_instruction_cache();
print("Invalidated instruction and data cache");
uint32_t code_offset = 0x3F00000;
asm_memcpy((void *)(fw->fcram_address + code_offset),
(void *)(fw->fcram_address + APP_CFW_OFFSET), ARM9_PAYLOAD_MAXSIZE);
print("Copied arm9 code");
setup_gpu();
asm_memcpy((void *)fw->jump_table_address, &jump_table, (&jump_table_end - &jump_table + 1) * 4);
print("Copied jump table");
*(uint32_t *)(fw->jump_table_address +
(&jt_return - &jump_table) * 4) = fw->func_patch_return;
*(uint32_t *)(fw->jump_table_address +
(&jt_pdn_regs - &jump_table) * 4) = fw->pdn_regs;
*(uint32_t *)(fw->jump_table_address +
(&jt_pxi_regs - &jump_table) * 4) = fw->pxi_regs;
print("Written firmware specific offsets");
*(uint32_t *)fw->func_patch_address = 0xE51FF004;
*(uint32_t *)(fw->func_patch_address + 4) = 0xFFFF0C80;
*(uint32_t *)fw->reboot_patch_address = 0xE51FF004;
*(uint32_t *)(fw->reboot_patch_address + 4) = 0x1FFF4C80+4;
print("Patched arm11 functions");
invalidate_data_cache();
print("Invalidated data cache");
print("Triggering reboot");
((void (*)())fw->reboot_func_address)(0, 0, 2, 0);
while (1) {};
}
