1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */ 2*4882a593Smuzhiyun /* 3*4882a593Smuzhiyun * include/asm-arm/unified.h - Unified Assembler Syntax helper macros 4*4882a593Smuzhiyun * 5*4882a593Smuzhiyun * Copyright (C) 2008 ARM Limited 6*4882a593Smuzhiyun */ 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun #ifndef __ASM_UNIFIED_H 9*4882a593Smuzhiyun #define __ASM_UNIFIED_H 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun #if defined(__ASSEMBLY__) 12*4882a593Smuzhiyun .syntax unified 13*4882a593Smuzhiyun #else 14*4882a593Smuzhiyun __asm__(".syntax unified"); 15*4882a593Smuzhiyun #endif 16*4882a593Smuzhiyun 17*4882a593Smuzhiyun #ifdef CONFIG_CPU_V7M 18*4882a593Smuzhiyun #define AR_CLASS(x...) 19*4882a593Smuzhiyun #define M_CLASS(x...) x 20*4882a593Smuzhiyun #else 21*4882a593Smuzhiyun #define AR_CLASS(x...) x 22*4882a593Smuzhiyun #define M_CLASS(x...) 23*4882a593Smuzhiyun #endif 24*4882a593Smuzhiyun 25*4882a593Smuzhiyun #ifdef CONFIG_THUMB2_KERNEL 26*4882a593Smuzhiyun 27*4882a593Smuzhiyun #if __GNUC__ < 4 28*4882a593Smuzhiyun #error Thumb-2 kernel requires gcc >= 4 29*4882a593Smuzhiyun #endif 30*4882a593Smuzhiyun 31*4882a593Smuzhiyun /* The CPSR bit describing the instruction set (Thumb) */ 32*4882a593Smuzhiyun #define PSR_ISETSTATE PSR_T_BIT 33*4882a593Smuzhiyun 34*4882a593Smuzhiyun #define ARM(x...) 35*4882a593Smuzhiyun #define THUMB(x...) x 36*4882a593Smuzhiyun #ifdef __ASSEMBLY__ 37*4882a593Smuzhiyun #define W(instr) instr.w 38*4882a593Smuzhiyun #else 39*4882a593Smuzhiyun #define WASM(instr) #instr ".w" 40*4882a593Smuzhiyun #endif 41*4882a593Smuzhiyun 42*4882a593Smuzhiyun #else /* !CONFIG_THUMB2_KERNEL */ 43*4882a593Smuzhiyun 44*4882a593Smuzhiyun /* The CPSR bit describing the instruction set (ARM) */ 45*4882a593Smuzhiyun #define PSR_ISETSTATE 0 46*4882a593Smuzhiyun 47*4882a593Smuzhiyun #define ARM(x...) x 48*4882a593Smuzhiyun #define THUMB(x...) 49*4882a593Smuzhiyun #ifdef __ASSEMBLY__ 50*4882a593Smuzhiyun #define W(instr) instr 51*4882a593Smuzhiyun #else 52*4882a593Smuzhiyun #define WASM(instr) #instr 53*4882a593Smuzhiyun #endif 54*4882a593Smuzhiyun 55*4882a593Smuzhiyun #endif /* CONFIG_THUMB2_KERNEL */ 56*4882a593Smuzhiyun 57*4882a593Smuzhiyun #endif /* !__ASM_UNIFIED_H */ 58