rem: ppc_get_page_table(void **_pageTable, size_t *_size)
add: ppc_get_page_table(page_table_entry_group **_pageTable, size_t *_size)
context: ppc_get_page_table(void **_pageTable, size_t *_size){	uint32 sdr1 = get_sdr1();	*_pageTable = (void *)(sdr1 & 0xffff0000);	*_size = ((sdr1 & 0x1ff) + 1) << 16;}