summaryrefslogtreecommitdiffstats
path: root/scripts/coccinelle/exec_rw_const.cocci
blob: 1a202969519b187a71614b345f1622249b3a5559 (plain) (blame)
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
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
/*
  Usage:

    spatch \
           --macro-file scripts/cocci-macro-file.h \
           --sp-file scripts/coccinelle/exec_rw_const.cocci \
           --keep-comments \
           --in-place \
           --dir .
*/

// Convert to boolean
@@
expression E1, E2, E3, E4, E5;
@@
(
- address_space_rw(E1, E2, E3, E4, E5, 0)
+ address_space_rw(E1, E2, E3, E4, E5, false)
|
- address_space_rw(E1, E2, E3, E4, E5, 1)
+ address_space_rw(E1, E2, E3, E4, E5, true)
|

- cpu_physical_memory_rw(E1, E2, E3, 0)
+ cpu_physical_memory_rw(E1, E2, E3, false)
|
- cpu_physical_memory_rw(E1, E2, E3, 1)
+ cpu_physical_memory_rw(E1, E2, E3, true)
|

- cpu_physical_memory_map(E1, E2, 0)
+ cpu_physical_memory_map(E1, E2, false)
|
- cpu_physical_memory_map(E1, E2, 1)
+ cpu_physical_memory_map(E1, E2, true)
)

// Use address_space_write instead of casting to non-const
@@
type T;
const T *V;
expression E1, E2, E3, E4;
@@
(
- address_space_rw(E1, E2, E3, (T *)V, E4, 1)
+ address_space_write(E1, E2, E3, V, E4)
|
- address_space_rw(E1, E2, E3, (void *)V, E4, 1)
+ address_space_write(E1, E2, E3, V, E4)
)

// Avoid uses of address_space_rw() with a constant is_write argument.
@@
expression E1, E2, E3, E4, E5;
symbol true, false;
@@
(
- address_space_rw(E1, E2, E3, E4, E5, false)
+ address_space_read(E1, E2, E3, E4, E5)
|
- address_space_rw(E1, E2, E3, E4, E5, true)
+ address_space_write(E1, E2, E3, E4, E5)
)

// Avoid uses of cpu_physical_memory_rw() with a constant is_write argument.
@@
expression E1, E2, E3;
@@
(
- cpu_physical_memory_rw(E1, E2, E3, false)
+ cpu_physical_memory_read(E1, E2, E3)
|
- cpu_physical_memory_rw(E1, E2, E3, true)
+ cpu_physical_memory_write(E1, E2, E3)
)

// Remove useless cast
@@
expression E1, E2, E3, E4, E5, E6;
type T;
@@
(
- address_space_rw(E1, E2, E3, (T *)(E4), E5, E6)
+ address_space_rw(E1, E2, E3, E4, E5, E6)
|
- address_space_read(E1, E2, E3, (T *)(E4), E5)
+ address_space_read(E1, E2, E3, E4, E5)
|
- address_space_write(E1, E2, E3, (T *)(E4), E5)
+ address_space_write(E1, E2, E3, E4, E5)
|
- address_space_write_rom(E1, E2, E3, (T *)(E4), E5)
+ address_space_write_rom(E1, E2, E3, E4, E5)
|

- cpu_physical_memory_rw(E1, (T *)(E2), E3, E4)
+ cpu_physical_memory_rw(E1, E2, E3, E4)
|
- cpu_physical_memory_read(E1, (T *)(E2), E3)
+ cpu_physical_memory_read(E1, E2, E3)
|
- cpu_physical_memory_write(E1, (T *)(E2), E3)
+ cpu_physical_memory_write(E1, E2, E3)
|

- dma_memory_read(E1, E2, (T *)(E3), E4)
+ dma_memory_read(E1, E2, E3, E4)
|
- dma_memory_write(E1, E2, (T *)(E3), E4)
+ dma_memory_write(E1, E2, E3, E4)
)