1 /* 2 * include/asm-arm/unified.h - Unified Assembler Syntax helper macros 3 * 4 * Copyright (C) 2008 ARM Limited 5 * 6 * This program is free software; you can redistribute it and/or modify 7 * it under the terms of the GNU General Public License version 2 as 8 * published by the Free Software Foundation. 9 * 10 * This program is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 13 * GNU General Public License for more details. 14 * 15 * You should have received a copy of the GNU General Public License 16 * along with this program; if not, write to the Free Software 17 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 18 */ 19 20 #ifndef __ASM_UNIFIED_H 21 #define __ASM_UNIFIED_H 22 23 #if defined(__ASSEMBLY__) 24 .syntax unified 25 #else 26 __asm__(".syntax unified"); 27 #endif 28 29 #ifdef CONFIG_CPU_V7M 30 #define AR_CLASS(x...) 31 #define M_CLASS(x...) x 32 #else 33 #define AR_CLASS(x...) x 34 #define M_CLASS(x...) 35 #endif 36 37 #ifdef CONFIG_THUMB2_KERNEL 38 39 #if __GNUC__ < 4 40 #error Thumb-2 kernel requires gcc >= 4 41 #endif 42 43 /* The CPSR bit describing the instruction set (Thumb) */ 44 #define PSR_ISETSTATE PSR_T_BIT 45 46 #define ARM(x...) 47 #define THUMB(x...) x 48 #ifdef __ASSEMBLY__ 49 #define W(instr) instr.w 50 #else 51 #define WASM(instr) #instr ".w" 52 #endif 53 54 #else /* !CONFIG_THUMB2_KERNEL */ 55 56 /* The CPSR bit describing the instruction set (ARM) */ 57 #define PSR_ISETSTATE 0 58 59 #define ARM(x...) x 60 #define THUMB(x...) 61 #ifdef __ASSEMBLY__ 62 #define W(instr) instr 63 #else 64 #define WASM(instr) #instr 65 #endif 66 67 #endif /* CONFIG_THUMB2_KERNEL */ 68 69 #endif /* !__ASM_UNIFIED_H */ 70