162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0-only */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Copyright (C) 2012 ARM Ltd. 462306a36Sopenharmony_ci */ 562306a36Sopenharmony_ci 662306a36Sopenharmony_ci#ifndef __ASM_BRK_IMM_H 762306a36Sopenharmony_ci#define __ASM_BRK_IMM_H 862306a36Sopenharmony_ci 962306a36Sopenharmony_ci/* 1062306a36Sopenharmony_ci * #imm16 values used for BRK instruction generation 1162306a36Sopenharmony_ci * 0x004: for installing kprobes 1262306a36Sopenharmony_ci * 0x005: for installing uprobes 1362306a36Sopenharmony_ci * 0x006: for kprobe software single-step 1462306a36Sopenharmony_ci * Allowed values for kgdb are 0x400 - 0x7ff 1562306a36Sopenharmony_ci * 0x100: for triggering a fault on purpose (reserved) 1662306a36Sopenharmony_ci * 0x400: for dynamic BRK instruction 1762306a36Sopenharmony_ci * 0x401: for compile time BRK instruction 1862306a36Sopenharmony_ci * 0x800: kernel-mode BUG() and WARN() traps 1962306a36Sopenharmony_ci * 0x9xx: tag-based KASAN trap (allowed values 0x900 - 0x9ff) 2062306a36Sopenharmony_ci * 0x55xx: Undefined Behavior Sanitizer traps ('U' << 8) 2162306a36Sopenharmony_ci * 0x8xxx: Control-Flow Integrity traps 2262306a36Sopenharmony_ci */ 2362306a36Sopenharmony_ci#define KPROBES_BRK_IMM 0x004 2462306a36Sopenharmony_ci#define UPROBES_BRK_IMM 0x005 2562306a36Sopenharmony_ci#define KPROBES_BRK_SS_IMM 0x006 2662306a36Sopenharmony_ci#define FAULT_BRK_IMM 0x100 2762306a36Sopenharmony_ci#define KGDB_DYN_DBG_BRK_IMM 0x400 2862306a36Sopenharmony_ci#define KGDB_COMPILED_DBG_BRK_IMM 0x401 2962306a36Sopenharmony_ci#define BUG_BRK_IMM 0x800 3062306a36Sopenharmony_ci#define KASAN_BRK_IMM 0x900 3162306a36Sopenharmony_ci#define KASAN_BRK_MASK 0x0ff 3262306a36Sopenharmony_ci#define UBSAN_BRK_IMM 0x5500 3362306a36Sopenharmony_ci#define UBSAN_BRK_MASK 0x00ff 3462306a36Sopenharmony_ci 3562306a36Sopenharmony_ci#define CFI_BRK_IMM_TARGET GENMASK(4, 0) 3662306a36Sopenharmony_ci#define CFI_BRK_IMM_TYPE GENMASK(9, 5) 3762306a36Sopenharmony_ci#define CFI_BRK_IMM_BASE 0x8000 3862306a36Sopenharmony_ci#define CFI_BRK_IMM_MASK (CFI_BRK_IMM_TARGET | CFI_BRK_IMM_TYPE) 3962306a36Sopenharmony_ci 4062306a36Sopenharmony_ci#endif 41