1*4d495c6eSApple OSS Distributions /* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2024 Apple Computer, Inc. All rights reserved. 3*4d495c6eSApple OSS Distributions * 4*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*4d495c6eSApple OSS Distributions * 6*4d495c6eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*4d495c6eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*4d495c6eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*4d495c6eSApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*4d495c6eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*4d495c6eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*4d495c6eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*4d495c6eSApple OSS Distributions * terms of an Apple operating system software license agreement. 14*4d495c6eSApple OSS Distributions * 15*4d495c6eSApple OSS Distributions * Please obtain a copy of the License at 16*4d495c6eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*4d495c6eSApple OSS Distributions * 18*4d495c6eSApple OSS Distributions * The Original Code and all software distributed under the License are 19*4d495c6eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*4d495c6eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*4d495c6eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*4d495c6eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*4d495c6eSApple OSS Distributions * Please see the License for the specific language governing rights and 24*4d495c6eSApple OSS Distributions * limitations under the License. 25*4d495c6eSApple OSS Distributions * 26*4d495c6eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*4d495c6eSApple OSS Distributions */ 28*4d495c6eSApple OSS Distributions 29*4d495c6eSApple OSS Distributions #include <darwintest.h> 30*4d495c6eSApple OSS Distributions #include <pthread.h> 31*4d495c6eSApple OSS Distributions #include <machine/cpu_capabilities.h> 32*4d495c6eSApple OSS Distributions #include <sys/commpage.h> 33*4d495c6eSApple OSS Distributions #include <sys/sysctl.h> 34*4d495c6eSApple OSS Distributions #include <mach/vm_param.h> 35*4d495c6eSApple OSS Distributions #include <stdint.h> 36*4d495c6eSApple OSS Distributions 37*4d495c6eSApple OSS Distributions T_GLOBAL_META( 38*4d495c6eSApple OSS Distributions T_META_NAMESPACE("xnu.arm"), 39*4d495c6eSApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 40*4d495c6eSApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("arm"), 41*4d495c6eSApple OSS Distributions T_META_OWNER("jeffrey_crowell"), 42*4d495c6eSApple OSS Distributions T_META_RUN_CONCURRENTLY(true)); 43*4d495c6eSApple OSS Distributions 44*4d495c6eSApple OSS Distributions T_DECL(asb_comm_page_sanity, 45*4d495c6eSApple OSS Distributions "Test that asb comm page values are sane.") 46*4d495c6eSApple OSS Distributions { 47*4d495c6eSApple OSS Distributions int rv; 48*4d495c6eSApple OSS Distributions uint64_t max_userspace_address = MACH_VM_MAX_ADDRESS; 49*4d495c6eSApple OSS Distributions uint64_t target_address = COMM_PAGE_READ(uint64_t, ASB_TARGET_ADDRESS); 50*4d495c6eSApple OSS Distributions 51*4d495c6eSApple OSS Distributions uint64_t sysctl_min_kernel_address = 0; 52*4d495c6eSApple OSS Distributions size_t min_kernel_address_size = sizeof(sysctl_min_kernel_address); 53*4d495c6eSApple OSS Distributions rv = sysctlbyname("vm.vm_min_kernel_address", &sysctl_min_kernel_address, &min_kernel_address_size, NULL, 0); 54*4d495c6eSApple OSS Distributions uint64_t kern_target_address = COMM_PAGE_READ(uint64_t, ASB_TARGET_KERN_ADDRESS); 55*4d495c6eSApple OSS Distributions 56*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_GT(target_address, max_userspace_address, "check that asb target addresses are as expected"); 57*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_LT(kern_target_address, sysctl_min_kernel_address, "check that asb target kernel addresses are as expected"); 58*4d495c6eSApple OSS Distributions } 59