Add PowerPC support to cpu.h and validate.cpp

1 files changed, 107 insertions, 1 deletions

diff --git a/cpu.h b/cpu.h
index 1d53ad73..8b8e72c3 100644
--- a/cpu.h
+++ b/cpu.h
@@ -49,6 +49,8 @@
 

 NAMESPACE_BEGIN(CryptoPP)

 

+// ***************************** IA-32 ***************************** //

+

 #if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 || CRYPTOPP_DOXYGEN_PROCESSING

 

 #define CRYPTOPP_CPUID_AVAILABLE 1

@@ -263,6 +265,8 @@ inline int GetCacheLineSize()
 }

 #endif  // CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64

 

+// ***************************** ARM-32, Aarch32 and Aarch64 ***************************** //

+

 #if CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64 || CRYPTOPP_DOXYGEN_PROCESSING

 

 // Hide from Doxygen

@@ -386,8 +390,108 @@ inline bool HasSHA2()
 }

 #endif  // CRYPTOPP_BOOL_ARM32 || CRYPTOPP_BOOL_ARM64

 

+// ***************************** PowerPC ***************************** //

+

+#if CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64 || CRYPTOPP_DOXYGEN_PROCESSING

+

+// Hide from Doxygen

+#ifndef CRYPTOPP_DOXYGEN_PROCESSING

+extern bool g_PowerpcDetectionDone;

+extern bool g_hasAltivec, g_hasPower7, g_hasPower8, g_hasAES, g_hasSHA1, g_hasSHA2;

+extern word32 g_cacheLineSize;

+void CRYPTOPP_API DetectPowerpcFeatures();

+#endif  // CRYPTOPP_DOXYGEN_PROCESSING

+

+//! \brief Determine if a PowerPC processor has Altivec available

+//! \returns true if the hardware is capable of Altivec at runtime, false otherwise.

+//! \details Altivec instructions are available under most modern PowerPCs.

+//! \details Runtime support requires compile time support. When compiling with GCC, you may

+//!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

+//!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>_ALTIVEC_</tt> preprocessor macro.

+//! \note This function is only available on PowerPC and PowerPC-64 platforms

+inline bool HasAltivec()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_hasAltivec;

+}

+

+//! \brief Determine if a PowerPC processor has Power7 available

+//! \returns true if the hardware is capable of Power7 at runtime, false otherwise.

+//! \details Altivec instructions are available under most modern PowerPCs.

+//! \details Runtime support requires compile time support. When compiling with GCC, you may

+//!   need to compile with <tt>-mcpu=power7</tt>; while IBM XL C/C++ compilers require

+//!   <tt>-qarch=pwr7 -qaltivec</tt>. Also see PowerPC's <tt>_ALTIVEC_</tt> preprocessor macro.

+//! \note This function is only available on PowerPC and PowerPC-64 platforms

+inline bool HasPower8()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_hasPower8;

+}

+

+//! \brief Determine if a PowerPC processor has AES available

+//! \returns true if the hardware is capable of AES at runtime, false otherwise.

+//! \details AES is part of the in-crypto extensions on Power8 and Power9.

+//! \details Runtime support requires compile time support. When compiling with GCC, you may

+//!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

+//!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>__CRYPTO</tt> preprocessor macro.

+//! \note This function is only available on PowerPC and PowerPC-64 platforms

+inline bool HasAES()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_hasAES;

+}

+

+//! \brief Determine if a PowerPC processor has AES available

+//! \returns true if the hardware is capable of AES at runtime, false otherwise.

+//! \details AES is part of the in-crypto extensions on Power8 and Power9.

+//! \details Runtime support requires compile time support. When compiling with GCC, you may

+//!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

+//!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>__CRYPTO</tt> preprocessor macro.

+//! \note This function is only available on PowerPC and PowerPC-64 platforms

+inline bool HasSHA1()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_hasSHA1;

+}

+

+//! \brief Determine if a PowerPC processor has AES available

+//! \returns true if the hardware is capable of AES at runtime, false otherwise.

+//! \details AES is part of the in-crypto extensions on Power8 and Power9.

+//! \details Runtime support requires compile time support. When compiling with GCC, you may

+//!   need to compile with <tt>-mcpu=power8</tt>; while IBM XL C/C++ compilers require

+//!   <tt>-qarch=pwr8 -qaltivec</tt>. Also see PowerPC's <tt>__CRYPTO</tt> preprocessor macro.

+//! \note This function is only available on PowerPC and PowerPC-64 platforms

+inline bool HasSHA2()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_hasSHA2;

+}

+

+//! \brief Provides the cache line size

+//! \returns lower bound on the size of a cache line in bytes, if available

+//! \details GetCacheLineSize() returns the lower bound on the size of a cache line, if it

+//!   is available. If the value is not available at runtime, then 32 is returned for a 32-bit

+//!   processor and 64 is returned for a 64-bit processor.

+//! \details x86/x32/x64 uses CPUID to determine the value and its usually accurate. The ARM

+//!   processor equivalent is a privileged instruction, so a compile time value is returned.

+inline int GetCacheLineSize()

+{

+	if (!g_PowerpcDetectionDone)

+		DetectPowerpcFeatures();

+	return g_cacheLineSize;

+}

+

+#endif  // CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64

+

+// ***************************** L1 cache line ***************************** //

+

 // Non-Intel systems

-#if !(CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64)

+#if !(CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64 || CRYPTOPP_BOOL_PPC32 || CRYPTOPP_BOOL_PPC64)

 //! \brief Provides the cache line size at runtime

 //! \returns true if the hardware is capable of CRC32 at runtime, false otherwise.

 //! \details GetCacheLineSize() provides is an estimate using CRYPTOPP_L1_CACHE_LINE_SIZE.

@@ -400,6 +504,8 @@ inline int GetCacheLineSize()
 

 #endif  // CRYPTOPP_GENERATE_X64_MASM

 

+// ***************************** Inline ASM Helper ***************************** //

+

 #ifndef CRYPTOPP_DOXYGEN_PROCESSING

 

 #if CRYPTOPP_BOOL_X86 || CRYPTOPP_BOOL_X32 || CRYPTOPP_BOOL_X64