1 /* Copyright (C) 2010-2020 The RetroArch team
2 *
3 * ---------------------------------------------------------------------------------------
4 * The following license statement only applies to this file (retro_miscellaneous.h).
5 * ---------------------------------------------------------------------------------------
6 *
7 * Permission is hereby granted, free of charge,
8 * to any person obtaining a copy of this software and associated documentation files (the "Software"),
9 * to deal in the Software without restriction, including without limitation the rights to
10 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software,
11 * and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
12 *
13 * The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
16 * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
18 * IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
19 * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
20 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
21 */
22
23 #ifndef __RARCH_MISCELLANEOUS_H
24 #define __RARCH_MISCELLANEOUS_H
25
26 #define RARCH_MAX_SUBSYSTEMS 10
27 #define RARCH_MAX_SUBSYSTEM_ROMS 10
28
29 #include <stdint.h>
30 #include <boolean.h>
31 #include <retro_inline.h>
32
33 #if defined(_WIN32)
34
35 #if defined(_XBOX)
36 #include <Xtl.h>
37 #else
38 #ifndef WIN32_LEAN_AND_MEAN
39 #define WIN32_LEAN_AND_MEAN
40 #endif
41 #include <windows.h>
42 #endif
43
44 #endif
45
46 #if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)
47 #include <sys/fs_external.h>
48 #endif
49
50 #include <limits.h>
51
52 #ifdef _MSC_VER
53 #include <compat/msvc.h>
54 #endif
55
bits_or_bits(uint32_t * a,uint32_t * b,uint32_t count)56 static INLINE void bits_or_bits(uint32_t *a, uint32_t *b, uint32_t count)
57 {
58 uint32_t i;
59 for (i = 0; i < count;i++)
60 a[i] |= b[i];
61 }
62
bits_clear_bits(uint32_t * a,uint32_t * b,uint32_t count)63 static INLINE void bits_clear_bits(uint32_t *a, uint32_t *b, uint32_t count)
64 {
65 uint32_t i;
66 for (i = 0; i < count;i++)
67 a[i] &= ~b[i];
68 }
69
bits_any_set(uint32_t * ptr,uint32_t count)70 static INLINE bool bits_any_set(uint32_t* ptr, uint32_t count)
71 {
72 uint32_t i;
73 for (i = 0; i < count; i++)
74 {
75 if (ptr[i] != 0)
76 return true;
77 }
78 return false;
79 }
80
81 #ifndef PATH_MAX_LENGTH
82 #if defined(__CELLOS_LV2__) && !defined(__PSL1GHT__)
83 #define PATH_MAX_LENGTH CELL_FS_MAX_FS_PATH_LENGTH
84 #elif defined(_XBOX1) || defined(_3DS) || defined(PSP) || defined(PS2) || defined(GEKKO)|| defined(WIIU) || defined(ORBIS)
85 #define PATH_MAX_LENGTH 512
86 #else
87 #define PATH_MAX_LENGTH 4096
88 #endif
89 #endif
90
91 #ifndef MAX
92 #define MAX(a, b) ((a) > (b) ? (a) : (b))
93 #endif
94
95 #ifndef MIN
96 #define MIN(a, b) ((a) < (b) ? (a) : (b))
97 #endif
98
99 #define ARRAY_SIZE(a) (sizeof(a) / sizeof((a)[0]))
100
101 #define BITS_GET_ELEM(a, i) ((a).data[i])
102 #define BITS_GET_ELEM_PTR(a, i) ((a)->data[i])
103
104 #define BIT_SET(a, bit) ((a)[(bit) >> 3] |= (1 << ((bit) & 7)))
105 #define BIT_CLEAR(a, bit) ((a)[(bit) >> 3] &= ~(1 << ((bit) & 7)))
106 #define BIT_GET(a, bit) (((a)[(bit) >> 3] >> ((bit) & 7)) & 1)
107
108 #define BIT16_SET(a, bit) ((a) |= (1 << ((bit) & 15)))
109 #define BIT16_CLEAR(a, bit) ((a) &= ~(1 << ((bit) & 15)))
110 #define BIT16_GET(a, bit) (((a) >> ((bit) & 15)) & 1)
111 #define BIT16_CLEAR_ALL(a) ((a) = 0)
112
113 #define BIT32_SET(a, bit) ((a) |= (UINT32_C(1) << ((bit) & 31)))
114 #define BIT32_CLEAR(a, bit) ((a) &= ~(UINT32_C(1) << ((bit) & 31)))
115 #define BIT32_GET(a, bit) (((a) >> ((bit) & 31)) & 1)
116 #define BIT32_CLEAR_ALL(a) ((a) = 0)
117
118 #define BIT64_SET(a, bit) ((a) |= (UINT64_C(1) << ((bit) & 63)))
119 #define BIT64_CLEAR(a, bit) ((a) &= ~(UINT64_C(1) << ((bit) & 63)))
120 #define BIT64_GET(a, bit) (((a) >> ((bit) & 63)) & 1)
121 #define BIT64_CLEAR_ALL(a) ((a) = 0)
122
123 #define BIT128_SET(a, bit) ((a).data[(bit) >> 5] |= (UINT32_C(1) << ((bit) & 31)))
124 #define BIT128_CLEAR(a, bit) ((a).data[(bit) >> 5] &= ~(UINT32_C(1) << ((bit) & 31)))
125 #define BIT128_GET(a, bit) (((a).data[(bit) >> 5] >> ((bit) & 31)) & 1)
126 #define BIT128_CLEAR_ALL(a) memset(&(a), 0, sizeof(a))
127
128 #define BIT128_SET_PTR(a, bit) BIT128_SET(*a, bit)
129 #define BIT128_CLEAR_PTR(a, bit) BIT128_CLEAR(*a, bit)
130 #define BIT128_GET_PTR(a, bit) BIT128_GET(*a, bit)
131 #define BIT128_CLEAR_ALL_PTR(a) BIT128_CLEAR_ALL(*a)
132
133 #define BIT256_SET(a, bit) BIT128_SET(a, bit)
134 #define BIT256_CLEAR(a, bit) BIT128_CLEAR(a, bit)
135 #define BIT256_GET(a, bit) BIT128_GET(a, bit)
136 #define BIT256_CLEAR_ALL(a) BIT128_CLEAR_ALL(a)
137
138 #define BIT256_SET_PTR(a, bit) BIT256_SET(*a, bit)
139 #define BIT256_CLEAR_PTR(a, bit) BIT256_CLEAR(*a, bit)
140 #define BIT256_GET_PTR(a, bit) BIT256_GET(*a, bit)
141 #define BIT256_CLEAR_ALL_PTR(a) BIT256_CLEAR_ALL(*a)
142
143 #define BITS_COPY16_PTR(a,bits) \
144 { \
145 BIT128_CLEAR_ALL_PTR(a); \
146 BITS_GET_ELEM_PTR(a, 0) = (bits) & 0xffff; \
147 }
148
149 #define BITS_COPY32_PTR(a,bits) \
150 { \
151 BIT128_CLEAR_ALL_PTR(a); \
152 BITS_GET_ELEM_PTR(a, 0) = (bits); \
153 }
154
155 /* Helper macros and struct to keep track of many booleans. */
156 /* This struct has 256 bits. */
157 typedef struct
158 {
159 uint32_t data[8];
160 } retro_bits_t;
161
162 #ifdef _WIN32
163 # ifdef _WIN64
164 # define PRI_SIZET PRIu64
165 # else
166 # if _MSC_VER == 1800
167 # define PRI_SIZET PRIu32
168 # else
169 # define PRI_SIZET "u"
170 # endif
171 # endif
172 #elif defined(PS2)
173 # define PRI_SIZET "u"
174 #else
175 # if (SIZE_MAX == 0xFFFF)
176 # define PRI_SIZET "hu"
177 # elif (SIZE_MAX == 0xFFFFFFFF)
178 # define PRI_SIZET "u"
179 # elif (SIZE_MAX == 0xFFFFFFFFFFFFFFFF)
180 # define PRI_SIZET "lu"
181 # else
182 # error PRI_SIZET: unknown SIZE_MAX
183 # endif
184 #endif
185
186 #endif
187