1*4d495c6eSApple OSS Distributions /* 2*4d495c6eSApple OSS Distributions * Copyright (c) 2019 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/types.h> 33*4d495c6eSApple OSS Distributions 34*4d495c6eSApple OSS Distributions T_GLOBAL_META( 35*4d495c6eSApple OSS Distributions T_META_NAMESPACE("xnu.arm"), 36*4d495c6eSApple OSS Distributions T_META_RADAR_COMPONENT_NAME("xnu"), 37*4d495c6eSApple OSS Distributions T_META_RADAR_COMPONENT_VERSION("arm"), 38*4d495c6eSApple OSS Distributions T_META_OWNER("jharmening"), 39*4d495c6eSApple OSS Distributions T_META_RUN_CONCURRENTLY(true)); 40*4d495c6eSApple OSS Distributions 41*4d495c6eSApple OSS Distributions T_DECL(arm_comm_page_sanity, 42*4d495c6eSApple OSS Distributions "Test that arm comm page values are sane.") 43*4d495c6eSApple OSS Distributions { 44*4d495c6eSApple OSS Distributions #if !defined(__arm64__) 45*4d495c6eSApple OSS Distributions T_SKIP("Running on non-arm target, skipping..."); 46*4d495c6eSApple OSS Distributions #else 47*4d495c6eSApple OSS Distributions uint8_t page_shift = COMM_PAGE_READ(uint8_t, KERNEL_PAGE_SHIFT_LEGACY); 48*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_NE(page_shift, 0, "check that legacy kernel page shift is non-zero"); 49*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_EQ(COMM_PAGE_READ(uint8_t, KERNEL_PAGE_SHIFT), page_shift, 50*4d495c6eSApple OSS Distributions "check that 'new' and 'legacy' page shifts are identical"); 51*4d495c6eSApple OSS Distributions T_QUIET; T_ASSERT_EQ(COMM_PAGE_READ(uint32_t, DEV_FIRM_LEGACY), COMM_PAGE_READ(uint32_t, DEV_FIRM), 52*4d495c6eSApple OSS Distributions "check that 'new' and 'legacy' DEV_FIRM fields are identical"); 53*4d495c6eSApple OSS Distributions #endif 54*4d495c6eSApple OSS Distributions } 55