blob: 2f27e7bdf0d33f04501a4a66b9fce639b6317c25 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
|
/*
* 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_H
#define TRACE__MEM_H
#include "tcg/tcg.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 */
/**
* trace_mem_build_info:
*
* Return a value for the 'info' argument in guest memory access traces.
*/
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;
}
/**
* trace_mem_get_info:
*
* Return a value for the 'info' argument in guest memory access traces.
*/
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_H */
|
