#ifndef CRYPTOPP_CPU_H
#define CRYPTOPP_CPU_H

#include "Common/Tcdefs.h"
#include "config.h"

#if defined(__cplusplus)
extern "C" {
#endif

#ifdef CRYPTOPP_GENERATE_X64_MASM

#define CRYPTOPP_X86_ASM_AVAILABLE
#define CRYPTOPP_BOOL_X64 1
#define CRYPTOPP_BOOL_SSE2_ASM_AVAILABLE 1

#else

#if CRYPTOPP_BOOL_SSE2_INTRINSICS_AVAILABLE
#if defined(TC_WINDOWS_DRIVER)
typedef union __declspec(intrin_type) CRYPTOPP_ALIGN_DATA(8) __m64
{
    unsigned __int64    m64_u64;
    float               m64_f32[2];
    __int8              m64_i8[8];
    __int16             m64_i16[4];
    __int32             m64_i32[2];    
    __int64             m64_i64;
    unsigned __int8     m64_u8[8];
    unsigned __int16    m64_u16[4];
    unsigned __int32    m64_u32[2];
} __m64;

typedef union __declspec(intrin_type) CRYPTOPP_ALIGN_DATA(16) __m128 {
     float               m128_f32[4];
     unsigned __int64    m128_u64[2];
     __int8              m128_i8[16];
     __int16             m128_i16[8];
     __int32             m128_i32[4];
     __int64             m128_i64[2];
     unsigned __int8     m128_u8[16];
     unsigned __int16    m128_u16[8];
     unsigned __int32    m128_u32[4];
 } __m128;
 
typedef union __declspec(intrin_type) CRYPTOPP_ALIGN_DATA(16) __m128i {
    __int8              m128i_i8[16];
    __int16             m128i_i16[8];
    __int32             m128i_i32[4];    
    __int64             m128i_i64[2];
    unsigned __int8     m128i_u8[16];
    unsigned __int16    m128i_u16[8];
    unsigned __int32    m128i_u32[4];
    unsigned __int64    m128i_u64[2];
} __m128i;

typedef struct __declspec(intrin_type) CRYPTOPP_ALIGN_DATA(16) __m128d {
    double              m128d_f64[2];
} __m128d;

#define _MM_SHUFFLE2(x,y) (((x)<<1) | (y))

extern void  _m_empty(void);
extern int _mm_extract_epi16(__m128i _A, int _Imm);
extern __m128i _mm_load_si128(__m128i const*_P);
extern __m128i _mm_xor_si128(__m128i _A, __m128i _B);
extern __m128i _mm_cvtsi64_si128(__int64);
extern __m128i _mm_unpacklo_epi64(__m128i _A, __m128i _B);
extern void _mm_store_si128(__m128i *_P, __m128i _B);
extern __m64 _m_pxor(__m64 _MM1, __m64 _MM2);
extern __m128i _mm_set_epi64(__m64 _Q1, __m64 _Q0);
#define _mm_xor_si64      _m_pxor
#define _mm_empty         _m_empty
#else
#include <mmintrin.h>
#include <emmintrin.h>
#endif
#endif

#if CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
#if defined(__SSSE3__) || defined(__INTEL_COMPILER)
#if defined(TC_WINDOWS_DRIVER)
extern __m128i _mm_shuffle_epi8 (__m128i a, __m128i b);
#else
#include <tmmintrin.h>
#endif
#endif

#if defined(__SSE4_1__) || defined(__INTEL_COMPILER) || defined(_MSC_VER)
#if defined(TC_WINDOWS_DRIVER)
extern int   _mm_extract_epi32(__m128i src, const int ndx);
extern __m128i _mm_insert_epi32(__m128i dst, int s, const int ndx);
#if defined(_M_X64)
extern __m128i _mm_insert_epi64(__m128i dst, __int64 s, const int ndx);
#endif
#else
#include <smmintrin.h>
#endif
#endif

#if (defined(__AES__) && defined(__PCLMUL__)) || defined(__INTEL_COMPILER) || CRYPTOPP_BOOL_AESNI_INTRINSICS_AVAILABLE
#if defined(TC_WINDOWS_DRIVER)
extern __m128i _mm_clmulepi64_si128(__m128i v1, __m128i v2, 
					    const int imm8);
extern __m128i _mm_aeskeygenassist_si128(__m128i ckey, const int rcon);
extern __m128i _mm_aesimc_si128(__m128i v);
extern __m128i _mm_aesenc_si128(__m128i v, __m128i rkey);
extern __m128i _mm_aesenclast_si128(__m128i v, __m128i rkey);
extern __m128i _mm_aesdec_si128(__m128i v, __m128i rkey);
extern __m128i _mm_aesdeclast_si128(__m128i v, __m128i rkey);
#else
#include <wmmintrin.h>
#endif
#endif
#endif

#if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64

#define CRYPTOPP_CPUID_AVAILABLE

// these should not be used directly
extern int g_x86DetectionDone;
extern int g_hasAVX;
extern int g_hasSSE42;
extern int g_hasSSE41;
extern int g_hasSSSE3;
extern int g_hasAESNI;
extern int g_hasCLMUL;
extern int g_isP4;
extern uint32 g_cacheLineSize;
void DetectX86Features(); // must be called at the start of the program/driver
int CpuId(uint32 input, uint32 *output);

#if CRYPTOPP_BOOL_X64
#define HasSSE2()	1
#define HasISSE()	1
#define HasMMX()	1
#else

extern int g_hasSSE2;
extern int g_hasISSE;
extern int g_hasMMX;

#define HasSSE2()	g_hasSSE2
#define HasISSE()	g_hasISSE
#define HasMMX()	g_hasMMX

#endif

#define HasSSE42() g_hasSSE42
#define HasSSE41() g_hasSSE41
#define HasSAVX() g_hasAVX
#define HasSSSE3() g_hasSSSE3
#define HasAESNI() g_hasAESNI
#define HasCLMUL() g_hasCLMUL
#define IsP4() g_isP4
#define GetCacheLineSize() g_cacheLineSize

#else

#define GetCacheLineSize()	CRYPTOPP_L1_CACHE_LINE_SIZE

#endif

#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(_MSC_VER) || defined(__BORLANDC__)
	#define CRYPTOPP_MS_STYLE_INLINE_ASSEMBLY
	#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, (a)*64+(b)*16+(c)*4+(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
#else
	#define CRYPTOPP_GNU_STYLE_INLINE_ASSEMBLY

    #if defined(CRYPTOPP_CLANG_VERSION) || defined(CRYPTOPP_APPLE_CLANG_VERSION)
        #define NEW_LINE "\n"
        #define INTEL_PREFIX ".intel_syntax;"
        #define INTEL_NOPREFIX ".intel_syntax;"
        #define ATT_PREFIX ".att_syntax;"
        #define ATT_NOPREFIX ".att_syntax;"
    #else
        #define NEW_LINE
        #define INTEL_PREFIX ".intel_syntax prefix;"
        #define INTEL_NOPREFIX ".intel_syntax noprefix;"
        #define ATT_PREFIX ".att_syntax prefix;"
        #define ATT_NOPREFIX ".att_syntax noprefix;"
        #endif

    // define these in two steps to allow arguments to be expanded
    #define GNU_AS1(x) #x ";" NEW_LINE
    #define GNU_AS2(x, y) #x ", " #y ";" NEW_LINE
    #define GNU_AS3(x, y, z) #x ", " #y ", " #z ";" NEW_LINE
    #define GNU_ASL(x) "\n" #x ":" NEW_LINE
    #define GNU_ASJ(x, y, z) #x " " #y #z ";" NEW_LINE
    #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
#endif

#define IF0(y)
#define IF1(y) y

// Should be confined to GCC, but its used to help manage Clang 3.4 compiler error.
//   Also see LLVM Bug 24232, http://llvm.org/bugs/show_bug.cgi?id=24232 .
#ifndef INTEL_PREFIX
#define INTEL_PREFIX
#endif
#ifndef INTEL_NOPREFIX
#define INTEL_NOPREFIX
#endif
#ifndef ATT_PREFIX
#define ATT_PREFIX
#endif
#ifndef ATT_NOPREFIX
#define ATT_NOPREFIX
#endif

#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_X32
    #define AS_REG_1 ecx
    #define AS_REG_2 edx
    #define AS_REG_3 r8d
    #define AS_REG_4 r9d
    #define AS_REG_5 eax
    #define AS_REG_6 r10d
    #define AS_REG_7 r11d
    #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
    #define WORD_SZ 4
    #define WORD_REG(x)	e##x
    #define WORD_PTR DWORD PTR
    #define AS_PUSH_IF86(x) AS1(push r##x)
    #define AS_POP_IF86(x) AS1(pop r##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)


#if defined(__cplusplus)
}
#endif

#endif