This repository has been archived by the owner on Feb 11, 2021. It is now read-only.
testplatform.c
1
2
3
4
5
6
7
8
9
10
11
12
#include <stdio.h>
#include "SDL.h"
#include "SDL_endian.h"
#include "SDL_cpuinfo.h"
/*
* Watcom C flags these as Warning 201: "Unreachable code" if you just
* compare them directly, so we push it through a function to keep the
* compiler quiet. --ryan.
*/
13
14
static int
badsize(size_t sizeoftype, size_t hardcodetype)
15
16
17
18
{
return sizeoftype != hardcodetype;
}
19
20
int
TestTypes(SDL_bool verbose)
22
int error = 0;
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
if (badsize(sizeof(Uint8), 1)) {
if (verbose)
printf("sizeof(Uint8) != 1, instead = %ul\n", sizeof(Uint8));
++error;
}
if (badsize(sizeof(Uint16), 2)) {
if (verbose)
printf("sizeof(Uint16) != 2, instead = %ul\n", sizeof(Uint16));
++error;
}
if (badsize(sizeof(Uint32), 4)) {
if (verbose)
printf("sizeof(Uint32) != 4, instead = %ul\n", sizeof(Uint32));
++error;
}
39
#ifdef SDL_HAS_64BIT_TYPE
40
41
42
43
44
if (badsize(sizeof(Uint64), 8)) {
if (verbose)
printf("sizeof(Uint64) != 8, instead = %ul\n", sizeof(Uint64));
++error;
}
46
47
48
if (verbose) {
printf("WARNING: No 64-bit datatype on this platform\n");
}
50
51
if (verbose && !error)
printf("All data types are the expected size.\n");
53
return (error ? 1 : 0);
56
57
int
TestEndian(SDL_bool verbose)
59
60
61
62
63
64
65
int error = 0;
Uint16 value = 0x1234;
int real_byteorder;
Uint16 value16 = 0xCDAB;
Uint16 swapped16 = 0xABCD;
Uint32 value32 = 0xEFBEADDE;
Uint32 swapped32 = 0xDEADBEEF;
66
#ifdef SDL_HAS_64BIT_TYPE
67
68
69
70
71
72
73
Uint64 value64, swapped64;
value64 = 0xEFBEADDE;
value64 <<= 32;
value64 |= 0xCDAB3412;
swapped64 = 0x1234ABCD;
swapped64 <<= 32;
swapped64 |= 0xDEADBEEF;
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
if (verbose) {
printf("Detected a %s endian machine.\n",
(SDL_BYTEORDER == SDL_LIL_ENDIAN) ? "little" : "big");
}
if ((*((char *) &value) >> 4) == 0x1) {
real_byteorder = SDL_BIG_ENDIAN;
} else {
real_byteorder = SDL_LIL_ENDIAN;
}
if (real_byteorder != SDL_BYTEORDER) {
if (verbose) {
printf("Actually a %s endian machine!\n",
(real_byteorder == SDL_LIL_ENDIAN) ? "little" : "big");
}
++error;
}
if (verbose) {
printf("Value 16 = 0x%X, swapped = 0x%X\n", value16,
SDL_Swap16(value16));
}
if (SDL_Swap16(value16) != swapped16) {
if (verbose) {
printf("16 bit value swapped incorrectly!\n");
}
++error;
}
if (verbose) {
printf("Value 32 = 0x%X, swapped = 0x%X\n", value32,
SDL_Swap32(value32));
}
if (SDL_Swap32(value32) != swapped32) {
if (verbose) {
printf("32 bit value swapped incorrectly!\n");
}
++error;
}
112
#ifdef SDL_HAS_64BIT_TYPE
113
if (verbose) {
114
#ifdef _MSC_VER
115
116
printf("Value 64 = 0x%I64X, swapped = 0x%I64X\n", value64,
SDL_Swap64(value64));
117
#else
118
119
printf("Value 64 = 0x%llX, swapped = 0x%llX\n", value64,
SDL_Swap64(value64));
120
#endif
121
122
123
124
125
126
127
}
if (SDL_Swap64(value64) != swapped64) {
if (verbose) {
printf("64 bit value swapped incorrectly!\n");
}
++error;
}
129
return (error ? 1 : 0);
133
134
int
TestCPUInfo(SDL_bool verbose)
136
137
138
139
140
141
142
143
144
145
146
147
if (verbose) {
printf("RDTSC %s\n", SDL_HasRDTSC()? "detected" : "not detected");
printf("MMX %s\n", SDL_HasMMX()? "detected" : "not detected");
printf("MMX Ext %s\n", SDL_HasMMXExt()? "detected" : "not detected");
printf("3DNow %s\n", SDL_Has3DNow()? "detected" : "not detected");
printf("3DNow Ext %s\n",
SDL_Has3DNowExt()? "detected" : "not detected");
printf("SSE %s\n", SDL_HasSSE()? "detected" : "not detected");
printf("SSE2 %s\n", SDL_HasSSE2()? "detected" : "not detected");
printf("AltiVec %s\n", SDL_HasAltiVec()? "detected" : "not detected");
}
return (0);
150
151
int
main(int argc, char *argv[])
153
154
SDL_bool verbose = SDL_TRUE;
int status = 0;
156
157
158
159
160
if (argv[1] && (SDL_strcmp(argv[1], "-q") == 0)) {
verbose = SDL_FALSE;
}
if (verbose) {
printf("This system is running %s\n",
163
#elif __BEOS__
165
#elif __BSDI__
167
#elif __DREAMCAST__
169
#elif __FREEBSD__
171
#elif __HPUX__
173
#elif __IRIX__
175
#elif __LINUX__
177
#elif __MINT__
178
"Atari MiNT"
179
#elif __MACOS__
180
"MacOS Classic"
181
#elif __MACOSX__
183
#elif __NETBSD__
185
#elif __OPENBSD__
187
#elif __OS2__
189
#elif __OSF__
191
#elif __QNXNTO__
192
"QNX Neutrino"
193
#elif __RISCOS__
195
#elif __SOLARIS__
197
198
#elif __WIN32__
#ifdef _WIN32_WCE
199
"Windows CE"
203
204
#elif __IPHONEOS__
"iPhone OS"
206
"an unknown operating system! (see SDL_platform.h)"
211
212
213
214
status += TestTypes(verbose);
status += TestEndian(verbose);
status += TestCPUInfo(verbose);
return status;