| /* |
| * Helper functions for guest memory tracing |
| * |
| * Copyright (C) 2016 Lluís Vilanova <vilanova@ac.upc.edu> |
| * |
| * This work is licensed under the terms of the GNU GPL, version 2 or later. |
| * See the COPYING file in the top-level directory. |
| */ |
| |
| #ifndef TRACE__MEM_INTERNAL_H |
| #define TRACE__MEM_INTERNAL_H |
| |
| #define TRACE_MEM_SZ_SHIFT_MASK 0xf /* size shift mask */ |
| #define TRACE_MEM_SE (1ULL << 4) /* sign extended (y/n) */ |
| #define TRACE_MEM_BE (1ULL << 5) /* big endian (y/n) */ |
| #define TRACE_MEM_ST (1ULL << 6) /* store (y/n) */ |
| #define TRACE_MEM_MMU_SHIFT 8 /* mmu idx */ |
| |
| static inline uint16_t trace_mem_build_info( |
| int size_shift, bool sign_extend, MemOp endianness, |
| bool store, unsigned int mmu_idx) |
| { |
| uint16_t res; |
| |
| res = size_shift & TRACE_MEM_SZ_SHIFT_MASK; |
| if (sign_extend) { |
| res |= TRACE_MEM_SE; |
| } |
| if (endianness == MO_BE) { |
| res |= TRACE_MEM_BE; |
| } |
| if (store) { |
| res |= TRACE_MEM_ST; |
| } |
| #ifdef CONFIG_SOFTMMU |
| res |= mmu_idx << TRACE_MEM_MMU_SHIFT; |
| #endif |
| return res; |
| } |
| |
| static inline uint16_t trace_mem_get_info(MemOp op, |
| unsigned int mmu_idx, |
| bool store) |
| { |
| return trace_mem_build_info(op & MO_SIZE, !!(op & MO_SIGN), |
| op & MO_BSWAP, store, |
| mmu_idx); |
| } |
| |
| #endif /* TRACE__MEM_INTERNAL_H */ |
