projects / mirror_qemu.git / blame
| Commit | Line | Data |
|---|---|---|
| dcdaadb6 LV |
1 | /* |
| 2 | * Helper functions for guest memory tracing | |
| 3 | * | |
| 4 | * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu> | |
| 5 | * | |
| 6 | * This work is licensed under the terms of the GNU GPL, version 2 or later. | |
| 7 | * See the COPYING file in the top-level directory. | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef TRACE__MEM_INTERNAL_H | |
| 11 | #define TRACE__MEM_INTERNAL_H | |
| 12 | ||
| 291987c3 EC |
13 | #define TRACE_MEM_SZ_SHIFT_MASK 0xf /* size shift mask */ |
| 14 | #define TRACE_MEM_SE (1ULL << 4) /* sign extended (y/n) */ | |
| 15 | #define TRACE_MEM_BE (1ULL << 5) /* big endian (y/n) */ | |
| 16 | #define TRACE_MEM_ST (1ULL << 6) /* store (y/n) */ | |
| 504f73f7 | 17 | #define TRACE_MEM_MMU_SHIFT 8 /* mmu idx */ |
| 3d69b95e | 18 | |
| 504f73f7 AB |
19 | static inline uint16_t trace_mem_build_info( |
| 20 | int size_shift, bool sign_extend, MemOp endianness, | |
| 21 | bool store, unsigned int mmu_idx) | |
| dcdaadb6 | 22 | { |
| 504f73f7 | 23 | uint16_t res; |
| dcdaadb6 | 24 | |
| 3d69b95e EC |
25 | res = size_shift & TRACE_MEM_SZ_SHIFT_MASK; |
| 26 | if (sign_extend) { | |
| 27 | res |= TRACE_MEM_SE; | |
| 28 | } | |
| 29 | if (endianness == MO_BE) { | |
| 30 | res |= TRACE_MEM_BE; | |
| dcdaadb6 | 31 | } |
| dcdaadb6 | 32 | if (store) { |
| 3d69b95e | 33 | res |= TRACE_MEM_ST; |
| dcdaadb6 | 34 | } |
| 504f73f7 AB |
35 | #ifdef CONFIG_SOFTMMU |
| 36 | res |= mmu_idx << TRACE_MEM_MMU_SHIFT; | |
| 37 | #endif | |
| dcdaadb6 LV |
38 | return res; |
| 39 | } | |
| 40 | ||
| 504f73f7 AB |
41 | static inline uint16_t trace_mem_get_info(MemOp op, |
| 42 | unsigned int mmu_idx, | |
| 43 | bool store) | |
| dcdaadb6 | 44 | { |
| 3d69b95e | 45 | return trace_mem_build_info(op & MO_SIZE, !!(op & MO_SIGN), |
| 504f73f7 AB |
46 | op & MO_BSWAP, store, |
| 47 | mmu_idx); | |
| dcdaadb6 LV |
48 | } |
| 49 | ||
| 175de524 | 50 | #endif /* TRACE__MEM_INTERNAL_H */ |