Mercurial > sdl-ios-xcode
comparison src/cpuinfo/SDL_cpuinfo.c @ 1229:1430f5fe092a
Patch from Michael Bonfils to add CPUID support for x86 Solaris.
| author | Ryan C. Gordon <icculus@icculus.org> |
|---|---|
| date | Thu, 05 Jan 2006 08:17:35 +0000 |
| parents | b616ac4f39d1 |
| children | c9b51268668f |
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| 1228:f4a3a4129d04 | 1229:1430f5fe092a |
|---|---|
| 114 xor eax, ecx ; Can not toggle ID bit, | 114 xor eax, ecx ; Can not toggle ID bit, |
| 115 jz done ; Processor=80486 | 115 jz done ; Processor=80486 |
| 116 mov has_CPUID,1 ; We have CPUID support | 116 mov has_CPUID,1 ; We have CPUID support |
| 117 done: | 117 done: |
| 118 } | 118 } |
| 119 #elif defined(__sun) && defined(__x86) | |
| 120 __asm ( | |
| 121 " pushfl \n" | |
| 122 " popl %eax \n" | |
| 123 " movl %eax,%ecx \n" | |
| 124 " xorl $0x200000,%eax \n" | |
| 125 " pushl %eax \n" | |
| 126 " popfl \n" | |
| 127 " pushfl \n" | |
| 128 " popl %eax \n" | |
| 129 " xorl %ecx,%eax \n" | |
| 130 " jz 1f \n" | |
| 131 " movl $1,-8(%ebp) \n" | |
| 132 "1: \n" | |
| 133 ); | |
| 134 #elif defined(__sun) && defined(__amd64) | |
| 135 __asm ( | |
| 136 " pushfq \n" | |
| 137 " popq %rax \n" | |
| 138 " movq %rax,%rcx \n" | |
| 139 " xorl $0x200000,%eax \n" | |
| 140 " pushq %rax \n" | |
| 141 " popfq \n" | |
| 142 " pushfq \n" | |
| 143 " popq %rax \n" | |
| 144 " xorl %ecx,%eax \n" | |
| 145 " jz 1f \n" | |
| 146 " movl $1,-8(%rbp) \n" | |
| 147 "1: \n" | |
| 148 ); | |
| 119 #endif | 149 #endif |
| 120 return has_CPUID; | 150 return has_CPUID; |
| 121 } | 151 } |
| 122 | 152 |
| 123 static __inline__ int CPU_getCPUIDFeatures() | 153 static __inline__ int CPU_getCPUIDFeatures() |
| 150 inc eax | 180 inc eax |
| 151 cpuid ; Get family/model/stepping/features | 181 cpuid ; Get family/model/stepping/features |
| 152 mov features, edx | 182 mov features, edx |
| 153 done: | 183 done: |
| 154 } | 184 } |
| 185 #elif defined(__sun) && (defined(__x86) || defined(__amd64)) | |
| 186 __asm( | |
| 187 " movl %ebx,%edi\n" | |
| 188 " xorl %eax,%eax \n" | |
| 189 " cpuid \n" | |
| 190 " cmpl $1,%eax \n" | |
| 191 " jl 1f \n" | |
| 192 " xorl %eax,%eax \n" | |
| 193 " incl %eax \n" | |
| 194 " cpuid \n" | |
| 195 #ifdef __i386 | |
| 196 " movl %edx,-8(%ebp) \n" | |
| 197 #else | |
| 198 " movl %edx,-8(%rbp) \n" | |
| 199 #endif | |
| 200 "1: \n" | |
| 201 " movl %edi,%ebx\n" ); | |
| 155 #endif | 202 #endif |
| 156 return features; | 203 return features; |
| 157 } | 204 } |
| 158 | 205 |
| 159 static __inline__ int CPU_getCPUIDFeaturesExt() | 206 static __inline__ int CPU_getCPUIDFeaturesExt() |
| 184 mov eax,80000001h ; Setup extended function 800000001h | 231 mov eax,80000001h ; Setup extended function 800000001h |
| 185 cpuid ; and get the information | 232 cpuid ; and get the information |
| 186 mov features,edx | 233 mov features,edx |
| 187 done: | 234 done: |
| 188 } | 235 } |
| 236 #elif defined(__sun) && ( defined(__i386) || defined(__amd64) ) | |
| 237 __asm ( | |
| 238 " movl %ebx,%edi\n" | |
| 239 " movl $0x80000000,%eax \n" | |
| 240 " cpuid \n" | |
| 241 " cmpl $0x80000001,%eax \n" | |
| 242 " jl 1f \n" | |
| 243 " movl $0x80000001,%eax \n" | |
| 244 " cpuid \n" | |
| 245 #ifdef __i386 | |
| 246 " movl %edx,-8(%ebp) \n" | |
| 247 #else | |
| 248 " movl %edx,-8(%rbp) \n" | |
| 249 #endif | |
| 250 "1: \n" | |
| 251 " movl %edi,%ebx\n" | |
| 252 ); | |
| 189 #endif | 253 #endif |
| 190 return features; | 254 return features; |
| 191 } | 255 } |
| 192 | 256 |
| 193 static __inline__ int CPU_haveRDTSC() | 257 static __inline__ int CPU_haveRDTSC() |