1/* 2 * Copyright (c) 2018 Apple 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 <arm64/asm.h> 30#include <pexpert/arm64/board_config.h> 31 32 33#if CONFIG_SPTM 34 .text 35 .align 2 36 .globl EXT(arm64_panic_lockdown_test_load) 37LEXT(arm64_panic_lockdown_test_load) 38 ldr x0, [x0] 39 ret 40 41 .globl EXT(arm64_panic_lockdown_test_gdbtrap) 42LEXT(arm64_panic_lockdown_test_gdbtrap) 43 .long 0xe7ffdefe 44 ret 45 46#if __has_feature(ptrauth_calls) 47 .globl EXT(arm64_panic_lockdown_test_pac_brk_c470) 48LEXT(arm64_panic_lockdown_test_pac_brk_c470) 49 brk 0xC470 50 ret 51 52 .globl EXT(arm64_panic_lockdown_test_pac_brk_c471) 53LEXT(arm64_panic_lockdown_test_pac_brk_c471) 54 brk 0xC471 55 ret 56 57 .globl EXT(arm64_panic_lockdown_test_pac_brk_c472) 58LEXT(arm64_panic_lockdown_test_pac_brk_c472) 59 brk 0xC472 60 ret 61 62 .globl EXT(arm64_panic_lockdown_test_pac_brk_c473) 63LEXT(arm64_panic_lockdown_test_pac_brk_c473) 64 brk 0xC473 65 ret 66 67 .globl EXT(arm64_panic_lockdown_test_telemetry_brk_ff00) 68LEXT(arm64_panic_lockdown_test_telemetry_brk_ff00) 69 brk 0xFF00 70 ret 71 72 .globl EXT(arm64_panic_lockdown_test_br_auth_fail) 73LEXT(arm64_panic_lockdown_test_br_auth_fail) 74 braaz x0 75 ret 76 77 .globl EXT(arm64_panic_lockdown_test_ldr_auth_fail) 78LEXT(arm64_panic_lockdown_test_ldr_auth_fail) 79 ldraa x0, [x0] 80 ret 81#endif /* ptrauth_calls */ 82 83#if __ARM_ARCH_8_6__ 84 .globl EXT(arm64_panic_lockdown_test_fpac) 85LEXT(arm64_panic_lockdown_test_fpac) 86 autiza x0 87 ret 88#endif /* __ARM_ARCH_8_6__ */ 89#endif /* CONFIG_SPTM */ 90