m5op_arm.S revision 9687
1/* 2 * Copyright (c) 2010 ARM Limited 3 * All rights reserved 4 * 5 * The license below extends only to copyright in the software and shall 6 * not be construed as granting a license to any other intellectual 7 * property including but not limited to intellectual property relating 8 * to a hardware implementation of the functionality of the software 9 * licensed hereunder. You may use the software subject to the license 10 * terms below provided that you ensure that this notice is replicated 11 * unmodified and in its entirety in all distributions of the software, 12 * modified or unmodified, in source code or in binary form. 13 * 14 * Copyright (c) 2003-2006 The Regents of The University of Michigan 15 * All rights reserved. 16 * 17 * Redistribution and use in source and binary forms, with or without 18 * modification, are permitted provided that the following conditions are 19 * met: redistributions of source code must retain the above copyright 20 * notice, this list of conditions and the following disclaimer; 21 * redistributions in binary form must reproduce the above copyright 22 * notice, this list of conditions and the following disclaimer in the 23 * documentation and/or other materials provided with the distribution; 24 * neither the name of the copyright holders nor the names of its 25 * contributors may be used to endorse or promote products derived from 26 * this software without specific prior written permission. 27 * 28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 39 * 40 * Authors: Nathan Binkert 41 * Ali Saidi 42 * Chander Sudanthi 43 * Andreas Sandberg 44 */ 45.syntax unified 46#ifdef __thumb__ 47.thumb 48#endif 49 50#include "m5ops.h" 51 52.text 53 54.macro simple_op name, func, subfunc 55 .align 2 56 .globl \name 57\name: 58 /* First, try to trap into m5 using the m5-kvm hypercall 59 * hack. The bxj will become a branch to the fallback code 60 * if it is executed in the normal m5 environment. 61 */ 62 push {lr} 63#ifdef __thumb__ 64 adr lr, 1f+1 65#else 66 adr lr, 1f 67#endif 68 ldr ip, =((((\func) & 0xFF) << 8) | ((\subfunc) & 0xFF)) 69 bxj lr 70 pop {pc} 71 72 /* Old-style m5 pseudo instruction using CP1 accesses */ 731: 74#ifdef __thumb__ 75 .short 0xEE00 | \func 76 .short 0x0110 | (\subfunc << 12) 77#else 78 .long (0xEE000110 | (\func << 16) | (\subfunc << 12)) 79#endif 80 pop {pc} 81.endm 82 83#define SIMPLE_OP(name, func, subfunc) simple_op name, func, subfunc 84 85SIMPLE_OP(arm, arm_func, 0) 86SIMPLE_OP(quiesce, quiesce_func, 0) 87SIMPLE_OP(quiesceNs, quiescens_func, 0) 88SIMPLE_OP(quiesceCycle, quiescecycle_func, 0) 89SIMPLE_OP(quiesceTime, quiescetime_func, 0) 90SIMPLE_OP(rpns, rpns_func, 0) 91SIMPLE_OP(wakeCPU, wakecpu_func, 0) 92SIMPLE_OP(m5_exit, exit_func, 0) 93SIMPLE_OP(m5_fail, fail_func, 0) 94SIMPLE_OP(m5_initparam, initparam_func, 0) 95SIMPLE_OP(m5_loadsymbol, loadsymbol_func, 0) 96SIMPLE_OP(m5_reset_stats, resetstats_func, 0) 97SIMPLE_OP(m5_dump_stats, dumpstats_func, 0) 98SIMPLE_OP(m5_dumpreset_stats, dumprststats_func, 0) 99SIMPLE_OP(m5_checkpoint, ckpt_func, 0) 100SIMPLE_OP(m5_readfile, readfile_func, 0) 101SIMPLE_OP(m5_writefile, writefile_func, 0) 102SIMPLE_OP(m5_debugbreak, debugbreak_func, 0) 103SIMPLE_OP(m5_switchcpu, switchcpu_func, 0) 104SIMPLE_OP(m5_addsymbol, addsymbol_func, 0) 105SIMPLE_OP(m5_panic, panic_func, 0) 106SIMPLE_OP(m5_work_begin, work_begin_func, 0) 107SIMPLE_OP(m5_work_end, work_end_func, 0) 108 109SIMPLE_OP(m5a_bsm, annotate_func, an_bsm) 110SIMPLE_OP(m5a_esm, annotate_func, an_esm) 111SIMPLE_OP(m5a_begin, annotate_func, an_begin) 112SIMPLE_OP(m5a_end, annotate_func, an_end) 113SIMPLE_OP(m5a_q, annotate_func, an_q) 114SIMPLE_OP(m5a_rq, annotate_func, an_rq) 115SIMPLE_OP(m5a_dq, annotate_func, an_dq) 116SIMPLE_OP(m5a_wf, annotate_func, an_wf) 117SIMPLE_OP(m5a_we, annotate_func, an_we) 118SIMPLE_OP(m5a_ws, annotate_func, an_ws) 119SIMPLE_OP(m5a_sq, annotate_func, an_sq) 120SIMPLE_OP(m5a_aq, annotate_func, an_aq) 121SIMPLE_OP(m5a_pq, annotate_func, an_pq) 122SIMPLE_OP(m5a_l, annotate_func, an_l) 123SIMPLE_OP(m5a_identify, annotate_func, an_identify) 124SIMPLE_OP(m5a_getid, annotate_func, an_getid) 125