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/* EINA - EFL data type library
* Copyright (C) 2007-2008 Jorge Luis Zapata Muga
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library;
* if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef EINA_CPU_H_
#define EINA_CPU_H_
/**
* @addtogroup Eina_Cpu_Group Cpu
*
* @brief Cpu and architecture related helpers
*/
/**
* @addtogroup Eina_Tools_Group Tools
*
* @{
*/
/**
* @defgroup Eina_Cpu_Group Cpu
*
* @{
*/
#include "eina_types.h"
/**
* @typedef Eina_Cpu_Features
* Enumerates different hardware architectures.
*/
typedef enum _Eina_Cpu_Features
{
EINA_CPU_MMX = 0x00000001,
EINA_CPU_SSE = 0x00000002,
EINA_CPU_SSE2 = 0x00000004,
EINA_CPU_SSE3 = 0x00000008,
/* TODO 3DNow! */
EINA_CPU_ALTIVEC = 0x00000010,
EINA_CPU_VIS = 0x00000020,
EINA_CPU_NEON = 0x00000040,
EINA_CPU_SSSE3 = 0x00000080,
EINA_CPU_SSE41 = 0x00000100,
EINA_CPU_SSE42 = 0x00000200
} Eina_Cpu_Features;
/**
* @brief Global hardware architecture handler.
*
* @return the current cpu features
*/
EAPI extern Eina_Cpu_Features eina_cpu_features;
/**
* @brief Cpu features accessor.
*
* @return the current cpu features
*/
EAPI Eina_Cpu_Features eina_cpu_features_get(void);
/**
* @brief Gets the current number of processors.
*
* @return The number of processors that are online, that
* is available when the function is called.
*/
EAPI int eina_cpu_count(void);
/**
* @brief Gets the current virtual page size.
*
* @return The fixed length that represents the smallest unit of data for memory
* allocation performed by the operating system on behalf of the program, and
* for transfers between the main memory and any other auxiliary store.
*/
EAPI int eina_cpu_page_size(void);
/**
* @brief Reverses the byte order of a 16-bit (destination) register.
*
* @param x The binary word to swap
* @return A byte order swapped 16-bit integer.
*
* On big endian systems, the number is converted to little endian byte order.
* On little endian systems, the number is converted to big endian byte order.
*/
static inline unsigned short eina_swap16(unsigned short x);
/**
* @brief Reverses the byte order of a 32-bit (destination) register.
*
* @param x The binary word to swap
* @return A byte order swapped 32-bit integer.
*
* On big endian systems, the number is converted to little endian byte order.
* On little endian systems, the number is converted to big endian byte order.
*/
static inline unsigned int eina_swap32(unsigned int x);
/**
* @brief Reverses the byte order of a 64-bit (destination) register.
*
* @param x The binary word to swap
* @return A byte order swapped 64-bit integer.
*
* On big endian systems, the number is converted to little endian byte order.
* On little endian systems, the number is converted to big endian byte order.
*/
static inline unsigned long long eina_swap64(unsigned long long x);
#ifndef MIN
# define MIN(x, y) (((x) > (y)) ? (y) : (x))
#endif
#ifndef MAX
# define MAX(x, y) (((x) > (y)) ? (x) : (y))
#endif
#include "eina_inline_cpu.x"
/**
* @}
*/
/**
* @}
*/
#endif /* EINA_CPU_H_ */
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