| 1 | /* |
| 2 | * QEMU breakpoint & watchpoint definitions |
| 3 | * |
| 4 | * Copyright (c) 2012 SUSE LINUX Products GmbH |
| 5 | * |
| 6 | * SPDX-License-Identifier: GPL-2.0-or-later |
| 7 | */ |
| 8 | #ifndef EXEC_BREAKPOINT_H |
| 9 | #define EXEC_BREAKPOINT_H |
| 10 | |
| 11 | #include "qemu/queue.h" |
| 12 | #include "exec/vaddr.h" |
| 13 | #include "exec/memattrs.h" |
| 14 | |
| 15 | /* Breakpoint/watchpoint flags */ |
| 16 | #define BP_MEM_READ 0x01 |
| 17 | #define BP_MEM_WRITE 0x02 |
| 18 | #define BP_MEM_ACCESS (BP_MEM_READ | BP_MEM_WRITE) |
| 19 | #define BP_STOP_BEFORE_ACCESS 0x04 |
| 20 | /* 0x08 currently unused */ |
| 21 | #define BP_GDB 0x10 |
| 22 | #define BP_CPU 0x20 |
| 23 | #define BP_ANY (BP_GDB | BP_CPU) |
| 24 | #define BP_HIT_SHIFT 6 |
| 25 | #define BP_WATCHPOINT_HIT_READ (BP_MEM_READ << BP_HIT_SHIFT) |
| 26 | #define BP_WATCHPOINT_HIT_WRITE (BP_MEM_WRITE << BP_HIT_SHIFT) |
| 27 | #define BP_WATCHPOINT_HIT (BP_MEM_ACCESS << BP_HIT_SHIFT) |
| 28 | |
| 29 | typedef struct CPUBreakpoint { |
| 30 | vaddr pc; |
| 31 | int flags; /* BP_* */ |
| 32 | QTAILQ_ENTRY(CPUBreakpoint) entry; |
| 33 | } CPUBreakpoint; |
| 34 | |
| 35 | typedef struct CPUWatchpoint { |
| 36 | vaddr vaddr; |
| 37 | vaddr len; |
| 38 | vaddr hitaddr; |
| 39 | MemTxAttrs hitattrs; |
| 40 | int flags; /* BP_* */ |
| 41 | QTAILQ_ENTRY(CPUWatchpoint) entry; |
| 42 | } CPUWatchpoint; |
| 43 | |
| 44 | #endif |