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Diffstat (limited to 'embeddedcryptopp/cpu.h')
| -rw-r--r-- | embeddedcryptopp/cpu.h | 263 |
1 files changed, 263 insertions, 0 deletions
diff --git a/embeddedcryptopp/cpu.h b/embeddedcryptopp/cpu.h new file mode 100644 index 0000000..7f01dad --- /dev/null +++ b/embeddedcryptopp/cpu.h @@ -0,0 +1,263 @@ +#ifndef CRYPTOPP_CPU_H +#define CRYPTOPP_CPU_H + +#ifdef CRYPTOPP_GENERATE_X64_MASM + +#define CRYPTOPP_X86_ASM_AVAILABLE +#define CRYPTOPP_BOOL_X64 1 +#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1 +#define NAMESPACE_END + +#else + +#include "config.h" + +#ifdef CRYPTOPP_MSVC6PP_OR_LATER + #include <emmintrin.h> +#endif + +NAMESPACE_BEGIN(CryptoPP) + +#if defined(CRYPTOPP_X86_ASM_AVAILABLE) || (_MSC_VER >= 1400 && CRYPTOPP_BOOL_X64) + +#define CRYPTOPP_CPUID_AVAILABLE + +// these should not be used directly +extern CRYPTOPP_DLL bool g_x86DetectionDone; +extern CRYPTOPP_DLL bool g_hasSSE2; +extern CRYPTOPP_DLL bool g_hasISSE; +extern CRYPTOPP_DLL bool g_hasMMX; +extern CRYPTOPP_DLL bool g_hasSSSE3; +extern CRYPTOPP_DLL bool g_isP4; +extern CRYPTOPP_DLL word32 g_cacheLineSize; +CRYPTOPP_DLL void CRYPTOPP_API DetectX86Features(); + +CRYPTOPP_DLL bool CRYPTOPP_API CpuId(word32 input, word32 *output); + +#if CRYPTOPP_BOOL_X64 +inline bool HasSSE2() {return true;} +inline bool HasISSE() {return true;} +inline bool HasMMX() {return true;} +#else + +inline bool HasSSE2() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasSSE2; +} + +inline bool HasISSE() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasISSE; +} + +inline bool HasMMX() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasMMX; +} + +#endif + +inline bool HasSSSE3() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_hasSSSE3; +} + +inline bool IsP4() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_isP4; +} + +inline int GetCacheLineSize() +{ + if (!g_x86DetectionDone) + DetectX86Features(); + return g_cacheLineSize; +} + +#else + +inline int GetCacheLineSize() +{ + return CRYPTOPP_L1_CACHE_LINE_SIZE; +} + +inline bool HasSSSE3() {return false;} +inline bool IsP4() {return false;} + +// assume MMX and SSE2 if intrinsics are enabled +#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE || CRYPTOPP_BOOL_X64 +inline bool HasSSE2() {return true;} +inline bool HasISSE() {return true;} +inline bool HasMMX() {return true;} +#else +inline bool HasSSE2() {return false;} +inline bool HasISSE() {return false;} +inline bool HasMMX() {return false;} +#endif + +#endif // #ifdef CRYPTOPP_X86_ASM_AVAILABLE || _MSC_VER >= 1400 + +#endif + +#ifdef CRYPTOPP_GENERATE_X64_MASM + #define AS1(x) x*newline* + #define AS2(x, y) x, y*newline* + #define AS3(x, y, z) x, y, z*newline* + #define ASS(x, y, a, b, c, d) x, y, a*64+b*16+c*4+d*newline* + #define ASL(x) label##x:*newline* + #define ASJ(x, y, z) x label##y*newline* + #define ASC(x, y) x label##y*newline* + #define AS_HEX(y) 0##y##h +#elif defined(__GNUC__) + // define these in two steps to allow arguments to be expanded + #define GNU_AS1(x) #x ";" + #define GNU_AS2(x, y) #x ", " #y ";" + #define GNU_AS3(x, y, z) #x ", " #y ", " #z ";" + #define GNU_ASL(x) "\n" #x ":" + #define GNU_ASJ(x, y, z) #x " " #y #z ";" + #define AS1(x) GNU_AS1(x) + #define AS2(x, y) GNU_AS2(x, y) + #define AS3(x, y, z) GNU_AS3(x, y, z) + #define ASS(x, y, a, b, c, d) #x ", " #y ", " #a "*64+" #b "*16+" #c "*4+" #d ";" + #define ASL(x) GNU_ASL(x) + #define ASJ(x, y, z) GNU_ASJ(x, y, z) + #define ASC(x, y) #x " " #y ";" + #define CRYPTOPP_NAKED + #define AS_HEX(y) 0x##y +#else + #define AS1(x) __asm {x} + #define AS2(x, y) __asm {x, y} + #define AS3(x, y, z) __asm {x, y, z} + #define ASS(x, y, a, b, c, d) __asm {x, y, _MM_SHUFFLE(a, b, c, d)} + #define ASL(x) __asm {label##x:} + #define ASJ(x, y, z) __asm {x label##y} + #define ASC(x, y) __asm {x label##y} + #define CRYPTOPP_NAKED __declspec(naked) + #define AS_HEX(y) 0x##y +#endif + +#define IF0(y) +#define IF1(y) y + +#ifdef CRYPTOPP_GENERATE_X64_MASM +#define ASM_MOD(x, y) ((x) MOD (y)) +#define XMMWORD_PTR XMMWORD PTR +#else +// GNU assembler doesn't seem to have mod operator +#define ASM_MOD(x, y) ((x)-((x)/(y))*(y)) +// GAS 2.15 doesn't support XMMWORD PTR. it seems necessary only for MASM +#define XMMWORD_PTR +#endif + +#if CRYPTOPP_BOOL_X86 + #define AS_REG_1 ecx + #define AS_REG_2 edx + #define AS_REG_3 esi + #define AS_REG_4 edi + #define AS_REG_5 eax + #define AS_REG_6 ebx + #define AS_REG_7 ebp + #define AS_REG_1d ecx + #define AS_REG_2d edx + #define AS_REG_3d esi + #define AS_REG_4d edi + #define AS_REG_5d eax + #define AS_REG_6d ebx + #define AS_REG_7d ebp + #define WORD_SZ 4 + #define WORD_REG(x) e##x + #define WORD_PTR DWORD PTR + #define AS_PUSH_IF86(x) AS1(push e##x) + #define AS_POP_IF86(x) AS1(pop e##x) + #define AS_JCXZ jecxz +#elif CRYPTOPP_BOOL_X64 + #ifdef CRYPTOPP_GENERATE_X64_MASM + #define AS_REG_1 rcx + #define AS_REG_2 rdx + #define AS_REG_3 r8 + #define AS_REG_4 r9 + #define AS_REG_5 rax + #define AS_REG_6 r10 + #define AS_REG_7 r11 + #define AS_REG_1d ecx + #define AS_REG_2d edx + #define AS_REG_3d r8d + #define AS_REG_4d r9d + #define AS_REG_5d eax + #define AS_REG_6d r10d + #define AS_REG_7d r11d + #else + #define AS_REG_1 rdi + #define AS_REG_2 rsi + #define AS_REG_3 rdx + #define AS_REG_4 rcx + #define AS_REG_5 r8 + #define AS_REG_6 r9 + #define AS_REG_7 r10 + #define AS_REG_1d edi + #define AS_REG_2d esi + #define AS_REG_3d edx + #define AS_REG_4d ecx + #define AS_REG_5d r8d + #define AS_REG_6d r9d + #define AS_REG_7d r10d + #endif + #define WORD_SZ 8 + #define WORD_REG(x) r##x + #define WORD_PTR QWORD PTR + #define AS_PUSH_IF86(x) + #define AS_POP_IF86(x) + #define AS_JCXZ jrcxz +#endif + +// helper macro for stream cipher output +#define AS_XMM_OUTPUT4(labelPrefix, inputPtr, outputPtr, x0, x1, x2, x3, t, p0, p1, p2, p3, increment)\ + AS2( test inputPtr, inputPtr)\ + ASC( jz, labelPrefix##3)\ + AS2( test inputPtr, 15)\ + ASC( jnz, labelPrefix##7)\ + AS2( pxor xmm##x0, [inputPtr+p0*16])\ + AS2( pxor xmm##x1, [inputPtr+p1*16])\ + AS2( pxor xmm##x2, [inputPtr+p2*16])\ + AS2( pxor xmm##x3, [inputPtr+p3*16])\ + AS2( add inputPtr, increment*16)\ + ASC( jmp, labelPrefix##3)\ + ASL(labelPrefix##7)\ + AS2( movdqu xmm##t, [inputPtr+p0*16])\ + AS2( pxor xmm##x0, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p1*16])\ + AS2( pxor xmm##x1, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p2*16])\ + AS2( pxor xmm##x2, xmm##t)\ + AS2( movdqu xmm##t, [inputPtr+p3*16])\ + AS2( pxor xmm##x3, xmm##t)\ + AS2( add inputPtr, increment*16)\ + ASL(labelPrefix##3)\ + AS2( test outputPtr, 15)\ + ASC( jnz, labelPrefix##8)\ + AS2( movdqa [outputPtr+p0*16], xmm##x0)\ + AS2( movdqa [outputPtr+p1*16], xmm##x1)\ + AS2( movdqa [outputPtr+p2*16], xmm##x2)\ + AS2( movdqa [outputPtr+p3*16], xmm##x3)\ + ASC( jmp, labelPrefix##9)\ + ASL(labelPrefix##8)\ + AS2( movdqu [outputPtr+p0*16], xmm##x0)\ + AS2( movdqu [outputPtr+p1*16], xmm##x1)\ + AS2( movdqu [outputPtr+p2*16], xmm##x2)\ + AS2( movdqu [outputPtr+p3*16], xmm##x3)\ + ASL(labelPrefix##9)\ + AS2( add outputPtr, increment*16) + +NAMESPACE_END + +#endif |