1/* 2 * Copyright (c) 2014, STMicroelectronics International N.V. 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 are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright notice, 9 * this list of conditions and the following disclaimer. 10 * 11 * 2. Redistributions in binary form must reproduce the above copyright notice, 12 * this list of conditions and the following disclaimer in the documentation 13 * and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 16 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE 19 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 28#include <asm.S> 29 30/* 31 * This assembly source is used both in kernel and userland 32 * hence define unwind resources that match both environments. 33 */ 34#if defined(CFG_UNWIND) 35#define LOCAL_UNWIND(...) __VA_ARGS__ 36#else 37#define LOCAL_UNWIND(...) 38#endif 39 40/* 41 * signed ret_idivmod_values(signed quot, signed rem); 42 * return quotient and remaining the EABI way (regs r0,r1) 43 */ 44.section .text.ret_idivmod_values 45FUNC ret_idivmod_values , : 46LOCAL_UNWIND(.fnstart) 47 bx lr 48LOCAL_UNWIND(.fnend) 49END_FUNC ret_idivmod_values 50 51/* 52 * unsigned ret_uidivmod_values(unsigned quot, unsigned rem); 53 * return quotient and remaining the EABI way (regs r0,r1) 54 */ 55.section .text.ret_uidivmod_values 56FUNC ret_uidivmod_values , : 57LOCAL_UNWIND(.fnstart) 58 bx lr 59LOCAL_UNWIND(.fnend) 60END_FUNC ret_uidivmod_values 61