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https://github.com/shadps4-emu/ext-cryptopp.git
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136 lines
3.0 KiB
C
Executable File
136 lines
3.0 KiB
C
Executable File
#ifndef CRYPTOPP_CPU_H
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#define CRYPTOPP_CPU_H
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#include "config.h"
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#ifdef CRYPTOPP_MSVC6PP_OR_LATER
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#include <emmintrin.h>
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#endif
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NAMESPACE_BEGIN(CryptoPP)
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#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || (_MSC_VER >= 1400 && CRYPTOPP_BOOL_X64)
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#define CRYPTOPP_CPUID_AVAILABLE
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// these should not be used directly
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extern CRYPTOPP_DLL bool g_x86DetectionDone;
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extern CRYPTOPP_DLL bool g_hasSSE2;
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extern CRYPTOPP_DLL bool g_hasMMX;
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extern CRYPTOPP_DLL bool g_hasSSSE3;
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extern CRYPTOPP_DLL bool g_isP4;
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extern CRYPTOPP_DLL word32 g_cacheLineSize;
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CRYPTOPP_DLL void DetectX86Features();
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CRYPTOPP_DLL bool CpuId(word32 input, word32 *output);
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#if CRYPTOPP_BOOL_X64
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inline bool HasSSE2() {return true;}
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inline bool HasMMX() {return true;}
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#else
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inline bool HasSSE2()
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{
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if (!g_x86DetectionDone)
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DetectX86Features();
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return g_hasSSE2;
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}
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inline bool HasMMX()
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{
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if (!g_x86DetectionDone)
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DetectX86Features();
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return g_hasMMX;
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}
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#endif
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inline bool HasSSSE3()
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{
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if (!g_x86DetectionDone)
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DetectX86Features();
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return g_hasSSSE3;
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}
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inline bool IsP4()
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{
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if (!g_x86DetectionDone)
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DetectX86Features();
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return g_isP4;
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}
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inline int GetCacheLineSize()
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{
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if (!g_x86DetectionDone)
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DetectX86Features();
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return g_cacheLineSize;
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}
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#else
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inline int GetCacheLineSize()
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{
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return CRYPTOPP_L1_CACHE_LINE_SIZE;
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}
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inline bool HasSSSE3() {return false;}
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inline bool IsP4() {return false;}
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// assume MMX and SSE2 if intrinsics are enabled
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#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_X64
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inline bool HasSSE2() {return true;}
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inline bool HasMMX() {return true;}
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#else
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inline bool HasSSE2() {return false;}
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inline bool HasMMX() {return false;}
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#endif
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#endif // #ifdef CRYPTOPP_X86_ASM_AVAILABLE || _MSC_VER >= 1400
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#if defined(__GNUC__)
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// define these in two steps to allow arguments to be expanded
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#define GNU_AS1(x) #x ";"
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#define GNU_AS2(x, y) #x ", " #y ";"
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#define GNU_AS3(x, y, z) #x ", " #y ", " #z ";"
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#define GNU_ASL(x) "\n" #x ":"
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#define GNU_ASJ(x, y, z) #x " " #y #z ";"
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#define AS1(x) GNU_AS1(x)
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#define AS2(x, y) GNU_AS2(x, y)
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#define AS3(x, y, z) GNU_AS3(x, y, z)
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#define ASS(x, y, a, b, c, d) #x ", " #y ", " #a "*64+" #b "*16+" #c "*4+" #d ";"
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#define ASL(x) GNU_ASL(x)
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#define ASJ(x, y, z) GNU_ASJ(x, y, z)
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#define ASC(x, y) #x " " #y ";"
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#define CRYPTOPP_NAKED
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#else
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#define AS1(x) __asm {x}
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#define AS2(x, y) __asm {x, y}
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#define AS3(x, y, z) __asm {x, y, z}
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#define ASS(x, y, a, b, c, d) __asm {x, y, _MM_SHUFFLE(a, b, c, d)}
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#define ASL(x) __asm {label##x:}
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#define ASJ(x, y, z) __asm {x label##y}
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#define ASC(x, y) __asm {x label##y}
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#define CRYPTOPP_NAKED __declspec(naked)
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#endif
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// GNU assembler doesn't seem to have mod operator
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#define ASM_MOD(x, y) ((x)-((x)/(y))*(y))
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#if CRYPTOPP_BOOL_X86
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#define WORD_SZ 4
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#define WORD_REG(x) e##x
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#define WORD_PTR DWORD PTR
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#define AS_PUSH(x) AS1(push e##x)
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#define AS_POP(x) AS1(pop e##x)
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#elif CRYPTOPP_BOOL_X64
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#define WORD_SZ 8
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#define WORD_REG(x) r##x
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#define WORD_PTR QWORD PTR
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#define AS_PUSH(x) AS1(pushq r##x)
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#define AS_POP(x) AS1(popq r##x)
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#endif
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NAMESPACE_END
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#endif
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