| /* 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 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 */ |