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comparison src/cpuinfo/SDL_cpuinfo.c @ 3584:41d01d70659c

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Fixed cpuid assembly to work on PIC code
author Sam Lantinga <slouken@libsdl.org>
date Wed, 16 Dec 2009 16:42:04 +0000
parents 951dd6a5d1a2
children b6758aee0dd4
comparison
equal deleted inserted replaced
3583:65f66674b7fb 3584:41d01d70659c
120 done: 120 done:
121 } 121 }
122 #elif defined(__sun) && defined(__i386) 122 #elif defined(__sun) && defined(__i386)
123 __asm ( 123 __asm (
124 " pushfl \n" 124 " pushfl \n"
125 " popl %eax \n" 125 " popl %eax \n"
126 " movl %eax,%ecx \n" 126 " movl %eax,%ecx \n"
127 " xorl $0x200000,%eax \n" 127 " xorl $0x200000,%eax \n"
128 " pushl %eax \n" 128 " pushl %eax \n"
129 " popfl \n" 129 " popfl \n"
130 " pushfl \n" 130 " pushfl \n"
131 " popl %eax \n" 131 " popl %eax \n"
132 " xorl %ecx,%eax \n" 132 " xorl %ecx,%eax \n"
133 " jz 1f \n" 133 " jz 1f \n"
134 " movl $1,-8(%ebp) \n" 134 " movl $1,-8(%ebp) \n"
135 "1: \n" 135 "1: \n"
136 ); 136 );
137 #elif defined(__sun) && defined(__amd64) 137 #elif defined(__sun) && defined(__amd64)
138 __asm ( 138 __asm (
139 " pushfq \n" 139 " pushfq \n"
154 return has_CPUID; 154 return has_CPUID;
155 } 155 }
156 156
157 #if defined(__GNUC__) && (defined(i386) || defined(__x86_64__)) 157 #if defined(__GNUC__) && (defined(i386) || defined(__x86_64__))
158 #define cpuid(func, a, b, c, d) \ 158 #define cpuid(func, a, b, c, d) \
159 __asm__ __volatile__ ("cpuid": \ 159 __asm__ __volatile__ ( \
160 "=a" (a), "=b" (b), "=c" (c), "=d" (d) : "a" (func)) 160 " pushl %%ebx \n" \
161 " cpuid \n" \
162 " movl %%ebx, %%esi \n" \
163 " popl %%ebx \n" : \
164 "=a" (a), "=S" (b), "=c" (c), "=d" (d) : "a" (func))
161 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) 165 #elif (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__)
162 #define cpuid(func, a, b, c, d) \ 166 #define cpuid(func, a, b, c, d) \
163 __asm { \ 167 __asm { \
164 __asm mov eax, func \ 168 __asm mov eax, func \
165 __asm cpuid \ 169 __asm cpuid \