disassembler_mips.cc revision 5c7aed3b9844e240cf785e5885524ac133a04396
160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes/* 260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * Copyright (C) 2012 The Android Open Source Project 360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * 460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * Licensed under the Apache License, Version 2.0 (the "License"); 560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * you may not use this file except in compliance with the License. 660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * You may obtain a copy of the License at 760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * 860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * http://www.apache.org/licenses/LICENSE-2.0 960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * 1060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * Unless required by applicable law or agreed to in writing, software 1160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * distributed under the License is distributed on an "AS IS" BASIS, 1260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * See the License for the specific language governing permissions and 1460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes * limitations under the License. 1560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes */ 1660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 1760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes#include "disassembler_mips.h" 1860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 19cf7f19135f0e273f7b0136315633c2abfc715343Ian Rogers#include <ostream> 20c7dd295a4e0cc1d15c0c96088e55a85389bade74Ian Rogers#include <sstream> 2160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 2207ed66b5ae659c452cbe1ab20c3dbf1d6f546461Elliott Hughes#include "base/logging.h" 23e222ee0b794f941af4fb1b32fb8224e32942ea7bElliott Hughes#include "base/stringprintf.h" 2460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes#include "thread.h" 2560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 2660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesnamespace art { 2760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesnamespace mips { 2860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 2960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstruct MipsInstruction { 3060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t mask; 3160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t value; 3260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes const char* name; 3360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes const char* args_fmt; 3460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 3560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes bool Matches(uint32_t instruction) const { 3660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes return (instruction & mask) == value; 3760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 3860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes}; 3960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 4060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kOpcodeShift = 26; 4160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 4260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kCop1 = (17 << kOpcodeShift); 4360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 4460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kITypeMask = (0x3f << kOpcodeShift); 4560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kJTypeMask = (0x3f << kOpcodeShift); 4660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kRTypeMask = ((0x3f << kOpcodeShift) | (0x3f)); 47403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevicstatic const uint32_t kSpecial0Mask = (0x3f << kOpcodeShift); 4860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kSpecial2Mask = (0x3f << kOpcodeShift); 492fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsenstatic const uint32_t kSpecial3Mask = (0x3f << kOpcodeShift); 5060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const uint32_t kFpMask = kRTypeMask; 5160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 5260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic const MipsInstruction gMipsInstructions[] = { 5360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // "sll r0, r0, 0" is the canonical "nop", used in delay slots. 5460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 0xffffffff, 0, "nop", "" }, 5560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 5660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // R-type instructions. 5760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 0, "sll", "DTA", }, 5860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // 0, 1, movci 5960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 2, "srl", "DTA", }, 6060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 3, "sra", "DTA", }, 617d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 4, "sllv", "DTS", }, 627d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 6, "srlv", "DTS", }, 637d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), (1 << 6) | 6, "rotrv", "DTS", }, 647d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 7, "srav", "DTS", }, 6560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 8, "jr", "S", }, 667934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kRTypeMask | (0x1f << 11), 9 | (31 << 11), "jalr", "S", }, // rd = 31 is implicit. 67403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kRTypeMask | (0x1f << 11), 9, "jr", "S", }, // rd = 0 is implicit. 687934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kRTypeMask, 9, "jalr", "DS", }, // General case. 6960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask | (0x1f << 6), 10, "movz", "DST", }, 7060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask | (0x1f << 6), 11, "movn", "DST", }, 717934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kRTypeMask, 12, "syscall", "", }, // TODO: code 727934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kRTypeMask, 13, "break", "", }, // TODO: code 737934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kRTypeMask, 15, "sync", "", }, // TODO: type 7460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 16, "mfhi", "D", }, 7560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 17, "mthi", "S", }, 7660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 18, "mflo", "D", }, 7760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 19, "mtlo", "S", }, 787d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 20, "dsllv", "DTS", }, 797d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 22, "dsrlv", "DTS", }, 807d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), (1 << 6) | 22, "drotrv", "DTS", }, 817d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 6), 23, "dsrav", "DTS", }, 82027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 24, "mult", "ST", }, 83027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 25, "multu", "ST", }, 84027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 26, "div", "ST", }, 85027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 27, "divu", "ST", }, 86027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 24 + (2 << 6), "mul", "DST", }, 87027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 24 + (3 << 6), "muh", "DST", }, 88027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 26 + (2 << 6), "div", "DST", }, 89027f0ff64c2512b9a5f1f54f3fea1bec481eb0f5Douglas Leung { kRTypeMask | (0x1f << 6), 26 + (3 << 6), "mod", "DST", }, 9060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 32, "add", "DST", }, 9160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 33, "addu", "DST", }, 9260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 34, "sub", "DST", }, 9360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 35, "subu", "DST", }, 9460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 36, "and", "DST", }, 9560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 37, "or", "DST", }, 9660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 38, "xor", "DST", }, 9760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 39, "nor", "DST", }, 9860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 42, "slt", "DST", }, 9960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kRTypeMask, 43, "sltu", "DST", }, 100403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kRTypeMask, 45, "daddu", "DST", }, 101403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kRTypeMask, 46, "dsub", "DST", }, 102403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kRTypeMask, 47, "dsubu", "DST", }, 103403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic // TODO: tge[u], tlt[u], teg, tne 1047d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 56, "dsll", "DTA", }, 1057d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 58, "dsrl", "DTA", }, 1067d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), (1 << 21) | 58, "drotr", "DTA", }, 1077d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 59, "dsra", "DTA", }, 1087d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 60, "dsll32", "DTA", }, 1097d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 62, "dsrl32", "DTA", }, 1107d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), (1 << 21) | 62, "drotr32", "DTA", }, 1117d4152f3520a3899ab57b61b884a17a2ba49a2adChris Larsen { kRTypeMask | (0x1f << 21), 63, "dsra32", "DTA", }, 112403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic 113403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic // SPECIAL0 114cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kSpecial0Mask | 0x307ff, 1, "movf", "DSc" }, 115cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kSpecial0Mask | 0x307ff, 0x10001, "movt", "DSc" }, 116403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 24, "mul", "DST" }, 117403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 24, "muh", "DST" }, 118403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 25, "mulu", "DST" }, 119403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 25, "muhu", "DST" }, 120403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 26, "div", "DST" }, 121403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 26, "mod", "DST" }, 122403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 27, "divu", "DST" }, 123403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 27, "modu", "DST" }, 124403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 28, "dmul", "DST" }, 125403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 28, "dmuh", "DST" }, 126403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 29, "dmulu", "DST" }, 127403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 29, "dmuhu", "DST" }, 128403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 30, "ddiv", "DST" }, 129403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 30, "dmod", "DST" }, 130403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (2 << 6) | 31, "ddivu", "DST" }, 131403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kSpecial0Mask | 0x7ff, (3 << 6) | 31, "dmodu", "DST" }, 1322fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | 0x7ff, (0 << 6) | 53, "seleqz", "DST" }, 1332fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | 0x7ff, (0 << 6) | 55, "selnez", "DST" }, 1342fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | (0x1f << 21) | 0x3f, (1 << 21) | 2, "rotr", "DTA", }, 1352fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x10, "clz", "DS" }, 1362fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x11, "clo", "DS" }, 1372fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x12, "dclz", "DS" }, 1382fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial0Mask | (0x1f << 16) | 0x7ff, (0x01 << 6) | 0x13, "dclo", "DS" }, 139403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic // TODO: sdbbp 14060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 14160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // SPECIAL2 14260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0x7ff, (28 << kOpcodeShift) | 2, "mul", "DST" }, 14360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0x7ff, (28 << kOpcodeShift) | 32, "clz", "DS" }, 144e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial2Mask | 0x7ff, (28 << kOpcodeShift) | 33, "clo", "DS" }, 14560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 0, "madd", "ST" }, 14660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 1, "maddu", "ST" }, 14760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 2, "mul", "DST" }, 14860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 4, "msub", "ST" }, 14960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kSpecial2Mask | 0xffff, (28 << kOpcodeShift) | 5, "msubu", "ST" }, 1507934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom { kSpecial2Mask | 0x3f, (28 << kOpcodeShift) | 0x3f, "sdbbp", "" }, // TODO: code 15160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 1522fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen // SPECIAL3 1535c7aed3b9844e240cf785e5885524ac133a04396Alexey Frunze { kSpecial3Mask | 0x3f, (31 << kOpcodeShift), "ext", "TSAZ", }, 1542fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 3, "dext", "TSAZ", }, 1555c7aed3b9844e240cf785e5885524ac133a04396Alexey Frunze { kSpecial3Mask | 0x3f, (31 << kOpcodeShift) | 4, "ins", "TSAz", }, 156e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 157e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | (16 << 6) | 32, 158e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "seb", 159e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 160e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 161e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | (24 << 6) | 32, 162e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "seh", 163e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 164e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 165e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | 32, 166e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "bitswap", 167e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 168e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 169e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | 36, 170e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "dbitswap", 171e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 172e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 173e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | (2 << 6) | 36, 174e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "dsbh", 175e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 176e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 177e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | (5 << 6) | 36, 178e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "dshd", 179e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 180e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen { kSpecial3Mask | (0x1f << 21) | (0x1f << 6) | 0x3f, 181e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen (31 << kOpcodeShift) | (2 << 6) | 32, 182e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "wsbh", 183e384547851a9d9e5d89ae5bb4c16bfd7d93cc12eChris Larsen "DT", }, 1842fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x26, "sc", "Tl", }, 1852fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x27, "scd", "Tl", }, 1862fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x36, "ll", "Tl", }, 1872fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kSpecial3Mask | 0x7f, (31 << kOpcodeShift) | 0x37, "lld", "Tl", }, 1882fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen 18960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // J-type instructions. 19060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kJTypeMask, 2 << kOpcodeShift, "j", "L" }, 19160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kJTypeMask, 3 << kOpcodeShift, "jal", "L" }, 19260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 19360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // I-type instructions. 19460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 4 << kOpcodeShift, "beq", "STB" }, 19560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 5 << kOpcodeShift, "bne", "STB" }, 19660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (1 << 16), "bgez", "SB" }, 19760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (0 << 16), "bltz", "SB" }, 19860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (2 << 16), "bltzl", "SB" }, 19960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (16 << 16), "bltzal", "SB" }, 20060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (18 << 16), "bltzall", "SB" }, 20160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 6 << kOpcodeShift | (0 << 16), "blez", "SB" }, 2024dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 6 << kOpcodeShift, "bgeuc", "STB" }, 20360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask | (0x1f << 16), 7 << kOpcodeShift | (0 << 16), "bgtz", "SB" }, 2044dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 7 << kOpcodeShift, "bltuc", "STB" }, 205403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (6 << 16), "dahi", "Si", }, 206403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask | (0x1f << 16), 1 << kOpcodeShift | (30 << 16), "dati", "Si", }, 20760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 20860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 0xffff0000, (4 << kOpcodeShift), "b", "B" }, 20960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 0xffff0000, (1 << kOpcodeShift) | (17 << 16), "bal", "B" }, 21060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 2114dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 8 << kOpcodeShift, "beqc", "STB" }, 2124dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 21360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 8 << kOpcodeShift, "addi", "TSi", }, 21460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 9 << kOpcodeShift, "addiu", "TSi", }, 21560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 10 << kOpcodeShift, "slti", "TSi", }, 21660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 11 << kOpcodeShift, "sltiu", "TSi", }, 21760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 12 << kOpcodeShift, "andi", "TSi", }, 21860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { kITypeMask, 13 << kOpcodeShift, "ori", "TSi", }, 219403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 14 << kOpcodeShift, "xori", "TSi", }, 220403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask | (0x1f << 21), 15 << kOpcodeShift, "lui", "TI", }, 221403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 15 << kOpcodeShift, "aui", "TSI", }, 2224dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 223cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kITypeMask | (0x3e3 << 16), (17 << kOpcodeShift) | (8 << 21), "bc1f", "cB" }, 224cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kITypeMask | (0x3e3 << 16), (17 << kOpcodeShift) | (8 << 21) | (1 << 16), "bc1t", "cB" }, 225cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kITypeMask | (0x1f << 21), (17 << kOpcodeShift) | (9 << 21), "bc1eqz", "tB" }, 226cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kITypeMask | (0x1f << 21), (17 << kOpcodeShift) | (13 << 21), "bc1nez", "tB" }, 227cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze 2284dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x1f << 21), 22 << kOpcodeShift, "blezc", "TB" }, 2294dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 2304dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // TODO: de-dup 2314dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (1 << 21) | (1 << 16), "bgezc", "TB" }, 2324dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (2 << 21) | (2 << 16), "bgezc", "TB" }, 2334dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (3 << 21) | (3 << 16), "bgezc", "TB" }, 2344dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (4 << 21) | (4 << 16), "bgezc", "TB" }, 2354dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (5 << 21) | (5 << 16), "bgezc", "TB" }, 2364dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (6 << 21) | (6 << 16), "bgezc", "TB" }, 2374dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (7 << 21) | (7 << 16), "bgezc", "TB" }, 2384dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (8 << 21) | (8 << 16), "bgezc", "TB" }, 2394dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (9 << 21) | (9 << 16), "bgezc", "TB" }, 2404dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (10 << 21) | (10 << 16), "bgezc", "TB" }, 2414dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (11 << 21) | (11 << 16), "bgezc", "TB" }, 2424dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (12 << 21) | (12 << 16), "bgezc", "TB" }, 2434dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (13 << 21) | (13 << 16), "bgezc", "TB" }, 2444dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (14 << 21) | (14 << 16), "bgezc", "TB" }, 2454dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (15 << 21) | (15 << 16), "bgezc", "TB" }, 2464dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (16 << 21) | (16 << 16), "bgezc", "TB" }, 2474dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (17 << 21) | (17 << 16), "bgezc", "TB" }, 2484dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (18 << 21) | (18 << 16), "bgezc", "TB" }, 2494dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (19 << 21) | (19 << 16), "bgezc", "TB" }, 2504dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (20 << 21) | (20 << 16), "bgezc", "TB" }, 2514dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (21 << 21) | (21 << 16), "bgezc", "TB" }, 2524dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (22 << 21) | (22 << 16), "bgezc", "TB" }, 2534dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (23 << 21) | (23 << 16), "bgezc", "TB" }, 2544dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (24 << 21) | (24 << 16), "bgezc", "TB" }, 2554dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (25 << 21) | (25 << 16), "bgezc", "TB" }, 2564dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (26 << 21) | (26 << 16), "bgezc", "TB" }, 2574dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (27 << 21) | (27 << 16), "bgezc", "TB" }, 2584dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (28 << 21) | (28 << 16), "bgezc", "TB" }, 2594dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (29 << 21) | (29 << 16), "bgezc", "TB" }, 2604dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (30 << 21) | (30 << 16), "bgezc", "TB" }, 2614dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (22 << kOpcodeShift) | (31 << 21) | (31 << 16), "bgezc", "TB" }, 2624dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 2634dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 22 << kOpcodeShift, "bgec", "STB" }, 2644dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 2654dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x1f << 21), 23 << kOpcodeShift, "bgtzc", "TB" }, 2664dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 2674dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // TODO: de-dup 2684dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (1 << 21) | (1 << 16), "bltzc", "TB" }, 2694dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (2 << 21) | (2 << 16), "bltzc", "TB" }, 2704dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (3 << 21) | (3 << 16), "bltzc", "TB" }, 2714dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (4 << 21) | (4 << 16), "bltzc", "TB" }, 2724dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (5 << 21) | (5 << 16), "bltzc", "TB" }, 2734dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (6 << 21) | (6 << 16), "bltzc", "TB" }, 2744dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (7 << 21) | (7 << 16), "bltzc", "TB" }, 2754dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (8 << 21) | (8 << 16), "bltzc", "TB" }, 2764dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (9 << 21) | (9 << 16), "bltzc", "TB" }, 2774dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (10 << 21) | (10 << 16), "bltzc", "TB" }, 2784dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (11 << 21) | (11 << 16), "bltzc", "TB" }, 2794dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (12 << 21) | (12 << 16), "bltzc", "TB" }, 2804dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (13 << 21) | (13 << 16), "bltzc", "TB" }, 2814dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (14 << 21) | (14 << 16), "bltzc", "TB" }, 2824dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (15 << 21) | (15 << 16), "bltzc", "TB" }, 2834dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (16 << 21) | (16 << 16), "bltzc", "TB" }, 2844dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (17 << 21) | (17 << 16), "bltzc", "TB" }, 2854dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (18 << 21) | (18 << 16), "bltzc", "TB" }, 2864dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (19 << 21) | (19 << 16), "bltzc", "TB" }, 2874dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (20 << 21) | (20 << 16), "bltzc", "TB" }, 2884dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (21 << 21) | (21 << 16), "bltzc", "TB" }, 2894dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (22 << 21) | (22 << 16), "bltzc", "TB" }, 2904dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (23 << 21) | (23 << 16), "bltzc", "TB" }, 2914dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (24 << 21) | (24 << 16), "bltzc", "TB" }, 2924dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (25 << 21) | (25 << 16), "bltzc", "TB" }, 2934dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (26 << 21) | (26 << 16), "bltzc", "TB" }, 2944dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (27 << 21) | (27 << 16), "bltzc", "TB" }, 2954dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (28 << 21) | (28 << 16), "bltzc", "TB" }, 2964dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (29 << 21) | (29 << 16), "bltzc", "TB" }, 2974dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (30 << 21) | (30 << 16), "bltzc", "TB" }, 2984dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x3ff << 16), (23 << kOpcodeShift) | (31 << 21) | (31 << 16), "bltzc", "TB" }, 2994dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 3004dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 23 << kOpcodeShift, "bltc", "STB" }, 3014dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 3024dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask, 24 << kOpcodeShift, "bnec", "STB" }, 3034dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 304403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 25 << kOpcodeShift, "daddiu", "TSi", }, 305403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 29 << kOpcodeShift, "daui", "TSi", }, 30660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 307d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 32u << kOpcodeShift, "lb", "TO", }, 308d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 33u << kOpcodeShift, "lh", "TO", }, 309d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 35u << kOpcodeShift, "lw", "TO", }, 310d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 36u << kOpcodeShift, "lbu", "TO", }, 311d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 37u << kOpcodeShift, "lhu", "TO", }, 312403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 39u << kOpcodeShift, "lwu", "TO", }, 313d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 40u << kOpcodeShift, "sb", "TO", }, 314d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 41u << kOpcodeShift, "sh", "TO", }, 315d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 43u << kOpcodeShift, "sw", "TO", }, 316d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 49u << kOpcodeShift, "lwc1", "tO", }, 3178c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic { kJTypeMask, 50u << kOpcodeShift, "bc", "P" }, 3188d36591d93920e7b7830c3ffee3759b561f5339eAndreas Gampe { kITypeMask, 53u << kOpcodeShift, "ldc1", "tO", }, 3194dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x1f << 21), 54u << kOpcodeShift, "jic", "Ti" }, 3204dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 21), (54u << kOpcodeShift) | (1 << 21), "beqzc", "Sb" }, // TODO: de-dup? 3214dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 22), (54u << kOpcodeShift) | (1 << 22), "beqzc", "Sb" }, 3224dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 23), (54u << kOpcodeShift) | (1 << 23), "beqzc", "Sb" }, 3234dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 24), (54u << kOpcodeShift) | (1 << 24), "beqzc", "Sb" }, 3244dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 25), (54u << kOpcodeShift) | (1 << 25), "beqzc", "Sb" }, 325403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 55u << kOpcodeShift, "ld", "TO", }, 326d74e41b1cce5373aa24fd2fbea735173f6113d5aBrian Carlstrom { kITypeMask, 57u << kOpcodeShift, "swc1", "tO", }, 3274dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x1f << 16), (59u << kOpcodeShift) | (30 << 16), "auipc", "Si" }, 3288c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic { kITypeMask | (0x3 << 19), (59u << kOpcodeShift) | (0 << 19), "addiupc", "Sp" }, 3298d36591d93920e7b7830c3ffee3759b561f5339eAndreas Gampe { kITypeMask, 61u << kOpcodeShift, "sdc1", "tO", }, 3304dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (0x1f << 21), 62u << kOpcodeShift, "jialc", "Ti" }, 3314dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 21), (62u << kOpcodeShift) | (1 << 21), "bnezc", "Sb" }, // TODO: de-dup? 3324dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 22), (62u << kOpcodeShift) | (1 << 22), "bnezc", "Sb" }, 3334dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 23), (62u << kOpcodeShift) | (1 << 23), "bnezc", "Sb" }, 3344dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 24), (62u << kOpcodeShift) | (1 << 24), "bnezc", "Sb" }, 3354dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { kITypeMask | (1 << 25), (62u << kOpcodeShift) | (1 << 25), "bnezc", "Sb" }, 336403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kITypeMask, 63u << kOpcodeShift, "sd", "TO", }, 33760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 33860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // Floating point. 339403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x00 << 21), "mfc1", "Td" }, 340403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x01 << 21), "dmfc1", "Td" }, 341403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x03 << 21), "mfhc1", "Td" }, 342403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x04 << 21), "mtc1", "Td" }, 343403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x05 << 21), "dmtc1", "Td" }, 344403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic { kFpMask | (0x1f << 21), kCop1 | (0x07 << 21), "mthc1", "Td" }, 345cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 1, "cmp.un.s", "adt" }, 346cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 2, "cmp.eq.s", "adt" }, 347cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 3, "cmp.ueq.s", "adt" }, 348cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 4, "cmp.lt.s", "adt" }, 349cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 5, "cmp.ult.s", "adt" }, 350cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 6, "cmp.le.s", "adt" }, 351cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 7, "cmp.ule.s", "adt" }, 352cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 17, "cmp.or.s", "adt" }, 353cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 18, "cmp.une.s", "adt" }, 354cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x14 << 21) | 19, "cmp.ne.s", "adt" }, 355cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 1, "cmp.un.d", "adt" }, 356cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 2, "cmp.eq.d", "adt" }, 357cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 3, "cmp.ueq.d", "adt" }, 358cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 4, "cmp.lt.d", "adt" }, 359cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 5, "cmp.ult.d", "adt" }, 360cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 6, "cmp.le.d", "adt" }, 361cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 7, "cmp.ule.d", "adt" }, 362cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 17, "cmp.or.d", "adt" }, 363cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 18, "cmp.une.d", "adt" }, 364cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x1f << 21), kCop1 | (0x15 << 21) | 19, "cmp.ne.d", "adt" }, 3651cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 0, "add", "fadt" }, 3661cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 1, "sub", "fadt" }, 3671cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 2, "mul", "fadt" }, 3681cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 3, "div", "fadt" }, 3691cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 4, "sqrt", "fad" }, 3701cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 5, "abs", "fad" }, 3711cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 6, "mov", "fad" }, 3721cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 7, "neg", "fad" }, 3731cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 8, "round.l", "fad" }, 3741cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 9, "trunc.l", "fad" }, 3751cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 10, "ceil.l", "fad" }, 3761cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 11, "floor.l", "fad" }, 3771cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 12, "round.w", "fad" }, 3781cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 13, "trunc.w", "fad" }, 3791cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 14, "ceil.w", "fad" }, 3801cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 15, "floor.w", "fad" }, 3812fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 26, "rint", "fad" }, 3822fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 27, "class", "fad" }, 3831cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 32, "cvt.s", "fad" }, 3841cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 33, "cvt.d", "fad" }, 3851cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 36, "cvt.w", "fad" }, 3861cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 37, "cvt.l", "fad" }, 3871cd27903529ee10229fa639dc8438a75517de492Douglas Leung { kFpMask | (0x21f << 16), kCop1 | (0x200 << 16) | 38, "cvt.ps", "fad" }, 388cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 49, "c.un", "fCdt" }, 389cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 50, "c.eq", "fCdt" }, 390cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 51, "c.ueq", "fCdt" }, 391cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 52, "c.olt", "fCdt" }, 392cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 53, "c.ult", "fCdt" }, 393cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 54, "c.ole", "fCdt" }, 394cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze { kFpMask | (0x10 << 21), kCop1 | (0x10 << 21) | 55, "c.ule", "fCdt" }, 3952fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kFpMask, kCop1 | 0x10, "sel", "fadt" }, 3962fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kFpMask, kCop1 | 0x1e, "max", "fadt" }, 3972fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { kFpMask, kCop1 | 0x1c, "min", "fadt" }, 39860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes}; 39960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 40060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesstatic uint32_t ReadU32(const uint8_t* ptr) { 4014f8f04ad94e68d2307a955d6bd72415fc0852725jeffhao // We only support little-endian MIPS. 4024f8f04ad94e68d2307a955d6bd72415fc0852725jeffhao return ptr[0] | (ptr[1] << 8) | (ptr[2] << 16) | (ptr[3] << 24); 40360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes} 40460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 4052cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstromsize_t DisassemblerMips::Dump(std::ostream& os, const uint8_t* instr_ptr) { 40660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t instruction = ReadU32(instr_ptr); 40760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 4087934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom uint32_t rs = (instruction >> 21) & 0x1f; // I-type, R-type. 4097934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom uint32_t rt = (instruction >> 16) & 0x1f; // I-type, R-type. 4107934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom uint32_t rd = (instruction >> 11) & 0x1f; // R-type. 4117934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom uint32_t sa = (instruction >> 6) & 0x1f; // R-type. 41260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 41360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes std::string opcode; 41460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes std::ostringstream args; 41560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 41660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // TODO: remove this! 41760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t op = (instruction >> 26) & 0x3f; 4187934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom uint32_t function = (instruction & 0x3f); // R-type. 41960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes opcode = StringPrintf("op=%d fn=%d", op, function); 42060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 42160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes for (size_t i = 0; i < arraysize(gMipsInstructions); ++i) { 42260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes if (gMipsInstructions[i].Matches(instruction)) { 42360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes opcode = gMipsInstructions[i].name; 42460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes for (const char* args_fmt = gMipsInstructions[i].args_fmt; *args_fmt; ++args_fmt) { 42560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes switch (*args_fmt) { 4265c7aed3b9844e240cf785e5885524ac133a04396Alexey Frunze case 'A': // sa (shift amount or [d]ins/[d]ext position). 42760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << sa; 42860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 4297934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'B': // Branch offset. 43060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 43160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes int32_t offset = static_cast<int16_t>(instruction & 0xffff); 43260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes offset <<= 2; 4337934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom offset += 4; // Delay slot. 4342cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom args << FormatInstructionPointer(instr_ptr + offset) 4352cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom << StringPrintf(" ; %+d", offset); 43660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 43760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 4384dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze case 'b': // 21-bit branch offset. 4394dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze { 4404dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze int32_t offset = (instruction & 0x1fffff) - ((instruction & 0x100000) << 1); 4414dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze offset <<= 2; 4424dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze offset += 4; // Delay slot. 4434dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze args << FormatInstructionPointer(instr_ptr + offset) 4444dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze << StringPrintf(" ; %+d", offset); 4454dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze } 4464dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze break; 447cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze case 'C': // Floating-point condition code flag in c.<cond>.fmt. 448cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze args << "cc" << (sa >> 2); 449cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze break; 450cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze case 'c': // Floating-point condition code flag in bc1f/bc1t and movf/movt. 451cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze args << "cc" << (rt >> 2); 452cd7b0ee296b0462961c63e51d99c9c323e2690dfAlexey Frunze break; 45360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 'D': args << 'r' << rd; break; 45460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 'd': args << 'f' << rd; break; 4551cd27903529ee10229fa639dc8438a75517de492Douglas Leung case 'a': args << 'f' << sa; break; 4567934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'f': // Floating point "fmt". 45760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 4587934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom size_t fmt = (instruction >> 21) & 0x7; // TODO: other fmts? 45960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes switch (fmt) { 46060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 0: opcode += ".s"; break; 46160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 1: opcode += ".d"; break; 46260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 4: opcode += ".w"; break; 46360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 5: opcode += ".l"; break; 46460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 6: opcode += ".ps"; break; 46560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes default: opcode += ".?"; break; 46660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 4677934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom continue; // No ", ". 46860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 4697934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'I': // Upper 16-bit immediate. 47060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << reinterpret_cast<void*>((instruction & 0xffff) << 16); 47160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 4727934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'i': // Sign-extended lower 16-bit immediate. 47360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << static_cast<int16_t>(instruction & 0xffff); 47460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 4757934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'L': // Jump label. 47660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 47760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes // TODO: is this right? 47860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t instr_index = (instruction & 0x1ffffff); 47960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes uint32_t target = (instr_index << 2); 48060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes target |= (reinterpret_cast<uintptr_t>(instr_ptr + 4) & 0xf0000000); 48160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << reinterpret_cast<void*>(target); 48260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 48360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 4842fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen case 'l': // 9-bit signed offset 4852fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen { 4862fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen int32_t offset = static_cast<int16_t>(instruction) >> 7; 4872fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen args << StringPrintf("%+d(r%d)", offset, rs); 4882fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen } 4892fadd7bb67abf5bc3c5370f9508cfb5959d6e536Chris Larsen break; 4907934ac288acfb2552bb0b06ec1f61e5820d924a4Brian Carlstrom case 'O': // +x(rs) 49160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes { 49260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes int32_t offset = static_cast<int16_t>(instruction & 0xffff); 49360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << StringPrintf("%+d(r%d)", offset, rs); 49460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes if (rs == 17) { 49560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << " ; "; 496403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic if (is64bit_) { 497403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic Thread::DumpThreadOffset<8>(args, offset); 498403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic } else { 499403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic Thread::DumpThreadOffset<4>(args, offset); 500403e0d55a3e9c18d4228d0aab31dec0c908dc73dGoran Jakovljevic } 50160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 50260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 50360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 5048c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic case 'P': // 26-bit offset in bc. 5058c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic { 5068c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic int32_t offset = (instruction & 0x3ffffff) - ((instruction & 0x2000000) << 1); 5078c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic offset <<= 2; 5088c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic offset += 4; 5098c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic args << FormatInstructionPointer(instr_ptr + offset); 5108c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic args << StringPrintf(" ; %+d", offset); 5118c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic } 5128c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic break; 5138c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic case 'p': // 19-bit offset in addiupc. 5148c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic { 5158c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic int32_t offset = (instruction & 0x7ffff) - ((instruction & 0x40000) << 1); 5168c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic args << offset << " ; move r" << rs << ", "; 5178c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic args << FormatInstructionPointer(instr_ptr + (offset << 2)); 5188c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic } 5198c434dcc78d497e18590461700894d1c3e96013dGoran Jakovljevic break; 52060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 'S': args << 'r' << rs; break; 52160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 's': args << 'f' << rs; break; 52260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 'T': args << 'r' << rt; break; 52360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes case 't': args << 'f' << rt; break; 5245c7aed3b9844e240cf785e5885524ac133a04396Alexey Frunze case 'Z': args << (rd + 1); break; // sz ([d]ext size). 5255c7aed3b9844e240cf785e5885524ac133a04396Alexey Frunze case 'z': args << (rd - sa + 1); break; // sz ([d]ins size). 52660454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 52760454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes if (*(args_fmt + 1)) { 52860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes args << ", "; 52960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 53060454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 53160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes break; 53260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 53360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 53460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 5354dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // Special cases for sequences of: 5364dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // pc-relative +/- 2GB branch: 5374dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // auipc reg, imm 5384dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // jic reg, imm 5394dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // pc-relative +/- 2GB branch and link: 5404dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // auipc reg, imm 5414dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // daddiu reg, reg, imm 5424dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze // jialc reg, 0 5434dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze if (((op == 0x36 && rs == 0 && rt != 0) || // jic 5444dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze (op == 0x19 && rs == rt && rt != 0)) && // daddiu 5454dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze last_ptr_ && (intptr_t)instr_ptr - (intptr_t)last_ptr_ == 4 && 5464dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze (last_instr_ & 0xFC1F0000) == 0xEC1E0000 && // auipc 5474dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze ((last_instr_ >> 21) & 0x1F) == rt) { 5484dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze uint32_t offset = (last_instr_ << 16) | (instruction & 0xFFFF); 5494dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze offset -= (offset & 0x8000) << 1; 5504dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze offset -= 4; 5514dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze if (op == 0x36) { 5524dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze args << " ; b "; 5534dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze } else { 5544dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze args << " ; move r" << rt << ", "; 5554dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze } 5564dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze args << FormatInstructionPointer(instr_ptr + (int32_t)offset); 5574dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze args << StringPrintf(" ; %+d", (int32_t)offset); 5584dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze } 5594dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze 5602cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom os << FormatInstructionPointer(instr_ptr) 5612cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom << StringPrintf(": %08x\t%-7s ", instruction, opcode.c_str()) 5622cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom << args.str() << '\n'; 5634dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze last_ptr_ = instr_ptr; 5644dda3376b71209fae07f5c3c8ac3eb4b54207aa8Alexey Frunze last_instr_ = instruction; 565b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers return 4; 566b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers} 567b23a7729cf7855fa05345d03a4d84111d5ec7172Ian Rogers 56860454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughesvoid DisassemblerMips::Dump(std::ostream& os, const uint8_t* begin, const uint8_t* end) { 56960454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes for (const uint8_t* cur = begin; cur < end; cur += 4) { 5702cbaccb67e22c0b313a9785bfc65bcb4b25d0676Brian Carlstrom Dump(os, cur); 57160454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes } 57260454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes} 57360454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes 57460454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes} // namespace mips 57560454e8b48663e6e5cb4bb301cec5edf93f8ce54Elliott Hughes} // namespace art 576