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