/* * SPDX-License-Identifier: BSD-2-Clause * * Copyright (c) 2019 Western Digital Corporation or its affiliates. * * Authors: * Anup Patel */ #ifndef __SBI_CONST_H__ #define __SBI_CONST_H__ /* * Some constant macros are used in both assembler and * C code. Therefore we cannot annotate them always with * 'UL' and other type specifiers unilaterally. We * use the following macros to deal with this. * * Similarly, _AT() will cast an expression with a type in C, but * leave it unchanged in asm. */ /* clang-format off */ #ifdef __ASSEMBLER__ #define _AC(X,Y) X #define _AT(T,X) X #else #define __AC(X,Y) (X##Y) #define _AC(X,Y) __AC(X,Y) #define _AT(T,X) ((T)(X)) #endif #define _UL(x) (_AC(x, UL)) #define _ULL(x) (_AC(x, ULL)) #define _BITUL(x) (_UL(1) << (x)) #define _BITULL(x) (_ULL(1) << (x)) #define UL(x) (_UL(x)) #define ULL(x) (_ULL(x)) #define __STR(s) #s #define STRINGIFY(s) __STR(s) /* clang-format on */ #endif