1*d8b80295SApple OSS Distributions /* 2*d8b80295SApple OSS Distributions * Copyright (c) 2019 Apple Computer, Inc. All rights reserved. 3*d8b80295SApple OSS Distributions * 4*d8b80295SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5*d8b80295SApple OSS Distributions * 6*d8b80295SApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code 7*d8b80295SApple OSS Distributions * as defined in and that are subject to the Apple Public Source License 8*d8b80295SApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in 9*d8b80295SApple OSS Distributions * compliance with the License. The rights granted to you under the License 10*d8b80295SApple OSS Distributions * may not be used to create, or enable the creation or redistribution of, 11*d8b80295SApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to 12*d8b80295SApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any 13*d8b80295SApple OSS Distributions * terms of an Apple operating system software license agreement. 14*d8b80295SApple OSS Distributions * 15*d8b80295SApple OSS Distributions * Please obtain a copy of the License at 16*d8b80295SApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file. 17*d8b80295SApple OSS Distributions * 18*d8b80295SApple OSS Distributions * The Original Code and all software distributed under the License are 19*d8b80295SApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20*d8b80295SApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21*d8b80295SApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22*d8b80295SApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23*d8b80295SApple OSS Distributions * Please see the License for the specific language governing rights and 24*d8b80295SApple OSS Distributions * limitations under the License. 25*d8b80295SApple OSS Distributions * 26*d8b80295SApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27*d8b80295SApple OSS Distributions */ 28*d8b80295SApple OSS Distributions 29*d8b80295SApple OSS Distributions #include <darwintest.h> 30*d8b80295SApple OSS Distributions #include <pthread.h> 31*d8b80295SApple OSS Distributions #include <machine/cpu_capabilities.h> 32*d8b80295SApple OSS Distributions #include <sys/types.h> 33*d8b80295SApple OSS Distributions 34*d8b80295SApple OSS Distributions T_GLOBAL_META( 35*d8b80295SApple OSS Distributions T_META_NAMESPACE("xnu.arm"), 36*d8b80295SApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 37*d8b80295SApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("arm"), 38*d8b80295SApple OSS Distributions T_META_OWNER("jharmening"), 39*d8b80295SApple OSS Distributions T_META_RUN_CONCURRENTLY(true)); 40*d8b80295SApple OSS Distributions 41*d8b80295SApple OSS Distributions T_DECL(arm_comm_page_sanity, 42*d8b80295SApple OSS Distributions "Test that arm comm page values are sane.") 43*d8b80295SApple OSS Distributions { 44*d8b80295SApple OSS Distributions #if !defined(__arm64__) 45*d8b80295SApple OSS Distributions T_SKIP("Running on non-arm target, skipping..."); 46*d8b80295SApple OSS Distributions #else 47*d8b80295SApple OSS Distributions uint8_t page_shift = COMM_PAGE_READ(uint8_t, KERNEL_PAGE_SHIFT_LEGACY); 48*d8b80295SApple OSS Distributions T_QUIET; T_ASSERT_NE(page_shift, 0, "check that legacy kernel page shift is non-zero"); 49*d8b80295SApple OSS Distributions T_QUIET; T_ASSERT_EQ(COMM_PAGE_READ(uint8_t, KERNEL_PAGE_SHIFT), page_shift, 50*d8b80295SApple OSS Distributions "check that 'new' and 'legacy' page shifts are identical"); 51*d8b80295SApple OSS Distributions T_QUIET; T_ASSERT_EQ(COMM_PAGE_READ(uint32_t, DEV_FIRM_LEGACY), COMM_PAGE_READ(uint32_t, DEV_FIRM), 52*d8b80295SApple OSS Distributions "check that 'new' and 'legacy' DEV_FIRM fields are identical"); 53*d8b80295SApple OSS Distributions #endif 54*d8b80295SApple OSS Distributions } 55