uint32_t HELPER(rrbe)(uint32_t r1, uint64_t r2) { if (r2 > ram_size) { return 0; } /* XXX implement */ #if 0 env->storage_keys[r2 / TARGET_PAGE_SIZE] &= ~SK_REFERENCED; #endif /* * cc * * 0 Reference bit zero; change bit zero * 1 Reference bit zero; change bit one * 2 Reference bit one; change bit zero * 3 Reference bit one; change bit one */ return 0; }