| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2012 ARM Ltd. |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
| 6 | #ifndef __ASM_BRK_IMM_H |
| 7 | #define __ASM_BRK_IMM_H |
| 8 | |
| 9 | /* |
| 10 | * #imm16 values used for BRK instruction generation |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 11 | * 0x004: for installing kprobes |
| 12 | * 0x005: for installing uprobes |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 13 | * Allowed values for kgdb are 0x400 - 0x7ff |
| 14 | * 0x100: for triggering a fault on purpose (reserved) |
| 15 | * 0x400: for dynamic BRK instruction |
| 16 | * 0x401: for compile time BRK instruction |
| 17 | * 0x800: kernel-mode BUG() and WARN() traps |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 18 | * 0x9xx: tag-based KASAN trap (allowed values 0x900 - 0x9ff) |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 19 | */ |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 20 | #define KPROBES_BRK_IMM 0x004 |
| 21 | #define UPROBES_BRK_IMM 0x005 |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 22 | #define FAULT_BRK_IMM 0x100 |
| 23 | #define KGDB_DYN_DBG_BRK_IMM 0x400 |
| 24 | #define KGDB_COMPILED_DBG_BRK_IMM 0x401 |
| 25 | #define BUG_BRK_IMM 0x800 |
| David Brazdil | 0f672f6 | 2019-12-10 10:32:29 +0000 | [diff] [blame^] | 26 | #define KASAN_BRK_IMM 0x900 |
| 27 | #define KASAN_BRK_MASK 0x0ff |
| Andrew Scull | b4b6d4a | 2019-01-02 15:54:55 +0000 | [diff] [blame] | 28 | |
| 29 | #endif |