1 /* 2 * Copyright (c) 2009 ARM Ltd 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 3. The name of the company may not be used to endorse or promote 14 * products derived from this software without specific prior written 15 * permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY ARM LTD ``AS IS'' AND ANY EXPRESS OR IMPLIED 18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 19 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL ARM LTD BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED 22 * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 24 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 25 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 26 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #ifndef ARM_ASM__H 30 #define ARM_ASM__H 31 32 #include "acle-compat.h" 33 34 #if __ARM_ARCH >= 7 && defined (__ARM_ARCH_ISA_ARM) 35 # define _ISA_ARM_7 36 #endif 37 38 #if __ARM_ARCH >= 6 && defined (__ARM_ARCH_ISA_ARM) 39 # define _ISA_ARM_6 40 #endif 41 42 #if __ARM_ARCH >= 5 43 # define _ISA_ARM_5 44 #endif 45 46 #if __ARM_ARCH >= 4 && __ARM_ARCH_ISA_THUMB >= 1 47 # define _ISA_ARM_4T 48 #endif 49 50 #if __ARM_ARCH >= 4 && __ARM_ARCH_ISA_THUMB == 0 51 # define _ISA_ARM_4 52 #endif 53 54 55 #if __ARM_ARCH_ISA_THUMB >= 2 56 # define _ISA_THUMB_2 57 #endif 58 59 #if __ARM_ARCH_ISA_THUMB >= 1 60 # define _ISA_THUMB_1 61 #endif 62 63 64 /* Now some macros for common instruction sequences. */ 65 #ifdef __ASSEMBLER__ 66 .macro RETURN cond= 67 #if defined (_ISA_ARM_4T) || defined (_ISA_THUMB_1) 68 bx\cond lr 69 #else 70 mov\cond pc, lr 71 #endif 72 .endm 73 74 .macro optpld base, offset=#0 75 #if defined (_ISA_ARM_7) 76 pld [\base, \offset] 77 #endif 78 .endm 79 80 #else 81 asm(".macro RETURN cond=\n\t" 82 #if defined (_ISA_ARM_4T) || defined (_ISA_THUMB_1) 83 "bx\\cond lr\n\t" 84 #else 85 "mov\\cond pc, lr\n\t" 86 #endif 87 ".endm" 88 ); 89 90 asm(".macro optpld base, offset=#0\n\t" 91 #if defined (_ISA_ARM_7) 92 "pld [\\base, \\offset]\n\t" 93 #endif 94 ".endm" 95 ); 96 #endif 97 98 #endif /* ARM_ASM__H */ 99
