diff options
Diffstat (limited to 'arch/tile/include/uapi/arch/intreg.h')
-rw-r--r-- | arch/tile/include/uapi/arch/intreg.h | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/arch/tile/include/uapi/arch/intreg.h b/arch/tile/include/uapi/arch/intreg.h new file mode 100644 index 000000000000..1cf2fbf74306 --- /dev/null +++ b/arch/tile/include/uapi/arch/intreg.h @@ -0,0 +1,70 @@ +/* + * Copyright 2017 Tilera Corporation. All Rights Reserved. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, version 2. + * + * This program 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, GOOD TITLE or + * NON INFRINGEMENT. See the GNU General Public License for + * more details. + */ + +/** + * @file + * + * Provide types and defines for the type that can hold a register, + * in the implementation namespace. + */ + +#ifndef __ARCH_INTREG_H__ +#define __ARCH_INTREG_H__ + +/* + * Get number of bits in a register. __INT_REG_BITS may be defined + * prior to including this header to force a particular bit width. + */ + +#ifndef __INT_REG_BITS +# if defined __tilegx__ +# define __INT_REG_BITS 64 +# elif defined __tilepro__ +# define __INT_REG_BITS 32 +# else +# error Unrecognized architecture +# endif +#endif + +#if __INT_REG_BITS == 64 + +# ifndef __ASSEMBLER__ +/** Unsigned type that can hold a register. */ +typedef unsigned long long __uint_reg_t; + +/** Signed type that can hold a register. */ +typedef long long __int_reg_t; +# endif + +/** String prefix to use for printf(). */ +# define __INT_REG_FMT "ll" + +#elif __INT_REG_BITS == 32 + +# ifndef __ASSEMBLER__ +/** Unsigned type that can hold a register. */ +typedef unsigned long __uint_reg_t; + +/** Signed type that can hold a register. */ +typedef long __int_reg_t; +# endif + +/** String prefix to use for printf(). */ +# define __INT_REG_FMT "l" + +#else +# error Unrecognized value of __INT_REG_BITS +#endif + +#endif /* !__ARCH_INTREG_H__ */ |