/* SPDX-License-Identifier: GPL-2.0-only */ /* * Copyright (C) 2015 Regents of the University of California */ #ifndef _ASM_RISCV_ASM_H #define _ASM_RISCV_ASM_H #ifdef __ASSEMBLY__ #define __ASM_STR(x) x #else #define __ASM_STR(x) #x #endif #if __riscv_xlen == 64 #define __REG_SEL(a, b) __ASM_STR(a) #elif __riscv_xlen == 32 #define __REG_SEL(a, b) __ASM_STR(b) #else #error "Unexpected __riscv_xlen" #endif #define REG_L __REG_SEL(ld, lw) #define REG_S __REG_SEL(sd, sw) #define REG_SC __REG_SEL(sc.d, sc.w) #define SZREG __REG_SEL(8, 4) #define LGREG __REG_SEL(3, 2) #if __SIZEOF_POINTER__ == 8 #ifdef __ASSEMBLY__ #define RISCV_PTR .dword #define RISCV_SZPTR 8 #define RISCV_LGPTR 3 #else #define RISCV_PTR ".dword" #define RISCV_SZPTR "8" #define RISCV_LGPTR "3" #endif #elif __SIZEOF_POINTER__ == 4 #ifdef __ASSEMBLY__ #define RISCV_PTR .word #define RISCV_SZPTR 4 #define RISCV_LGPTR 2 #else #define RISCV_PTR ".word" #define RISCV_SZPTR "4" #define RISCV_LGPTR "2" #endif #else #error "Unexpected __SIZEOF_POINTER__" #endif #if (__SIZEOF_INT__ == 4) #define RISCV_INT __ASM_STR(.word) #define RISCV_SZINT __ASM_STR(4) #define RISCV_LGINT __ASM_STR(2) #else #error "Unexpected __SIZEOF_INT__" #endif #if (__SIZEOF_SHORT__ == 2) #define RISCV_SHORT __ASM_STR(.half) #define RISCV_SZSHORT __ASM_STR(2) #define RISCV_LGSHORT __ASM_STR(1) #else #error "Unexpected __SIZEOF_SHORT__" #endif #endif /* _ASM_RISCV_ASM_H */