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Linux/arch/tile/include/uapi/arch/intreg.h

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  1 /*
  2  * Copyright 2017 Tilera Corporation. All Rights Reserved.
  3  *
  4  *   This program is free software; you can redistribute it and/or
  5  *   modify it under the terms of the GNU General Public License
  6  *   as published by the Free Software Foundation, version 2.
  7  *
  8  *   This program is distributed in the hope that it will be useful, but
  9  *   WITHOUT ANY WARRANTY; without even the implied warranty of
 10  *   MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, GOOD TITLE or
 11  *   NON INFRINGEMENT.  See the GNU General Public License for
 12  *   more details.
 13  */
 14 
 15 /**
 16  * @file
 17  *
 18  * Provide types and defines for the type that can hold a register,
 19  * in the implementation namespace.
 20  */
 21 
 22 #ifndef __ARCH_INTREG_H__
 23 #define __ARCH_INTREG_H__
 24 
 25 /*
 26  * Get number of bits in a register.  __INT_REG_BITS may be defined
 27  * prior to including this header to force a particular bit width.
 28  */
 29 
 30 #ifndef __INT_REG_BITS
 31 # if defined __tilegx__
 32 #  define __INT_REG_BITS 64
 33 # elif defined __tilepro__
 34 #  define __INT_REG_BITS 32
 35 # else
 36 #  error Unrecognized architecture
 37 # endif
 38 #endif
 39 
 40 #if __INT_REG_BITS == 64
 41 
 42 # ifndef __ASSEMBLER__
 43 /** Unsigned type that can hold a register. */
 44 typedef unsigned long long __uint_reg_t;
 45 
 46 /** Signed type that can hold a register. */
 47 typedef long long __int_reg_t;
 48 # endif
 49 
 50 /** String prefix to use for printf(). */
 51 # define __INT_REG_FMT "ll"
 52 
 53 #elif __INT_REG_BITS == 32
 54 
 55 # ifndef __ASSEMBLER__
 56 /** Unsigned type that can hold a register. */
 57 typedef unsigned long __uint_reg_t;
 58 
 59 /** Signed type that can hold a register. */
 60 typedef long __int_reg_t;
 61 # endif
 62 
 63 /** String prefix to use for printf(). */
 64 # define __INT_REG_FMT "l"
 65 
 66 #else
 67 # error Unrecognized value of __INT_REG_BITS
 68 #endif
 69 
 70 #endif /* !__ARCH_INTREG_H__ */
 71 

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