| /* |
| * Source file for nanoMIPS disassembler component of QEMU |
| * |
| * Copyright (C) 2018 Wave Computing, Inc. |
| * Copyright (C) 2018 Matthew Fortune <matthew.fortune@mips.com> |
| * Copyright (C) 2018 Aleksandar Markovic <amarkovic@wavecomp.com> |
| * |
| * This program is free software: you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation, either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program. If not, see <https://www.gnu.org/licenses/>. |
| * |
| */ |
| |
| /* |
| * Documentation used while implementing this component: |
| * |
| * [1] "MIPSĀ® Architecture Base: nanoMIPS32(tm) Instruction Set Technical |
| * Reference Manual", Revision 01.01, April 27, 2018 |
| */ |
| |
| #include "qemu/osdep.h" |
| #include "disas/dis-asm.h" |
| |
| #include <cstring> |
| #include <stdexcept> |
| #include <sstream> |
| #include <stdio.h> |
| #include <stdarg.h> |
| |
| #include "nanomips.h" |
| |
| #define IMGASSERTONCE(test) |
| |
| |
| int nanomips_dis(char *buf, |
| unsigned address, |
| unsigned short one, |
| unsigned short two, |
| unsigned short three) |
| { |
| std::string disasm; |
| uint16 bits[3] = {one, two, three}; |
| |
| NMD::TABLE_ENTRY_TYPE type; |
| NMD d(address, NMD::ALL_ATTRIBUTES); |
| int size = d.Disassemble(bits, disasm, type); |
| |
| strcpy(buf, disasm.c_str()); |
| return size; |
| } |
| |
| int print_insn_nanomips(bfd_vma memaddr, struct disassemble_info *info) |
| { |
| int status; |
| bfd_byte buffer[2]; |
| uint16_t insn1 = 0, insn2 = 0, insn3 = 0; |
| char buf[200]; |
| |
| info->bytes_per_chunk = 2; |
| info->display_endian = info->endian; |
| info->insn_info_valid = 1; |
| info->branch_delay_insns = 0; |
| info->data_size = 0; |
| info->insn_type = dis_nonbranch; |
| info->target = 0; |
| info->target2 = 0; |
| |
| status = (*info->read_memory_func)(memaddr, buffer, 2, info); |
| if (status != 0) { |
| (*info->memory_error_func)(status, memaddr, info); |
| return -1; |
| } |
| |
| if (info->endian == BFD_ENDIAN_BIG) { |
| insn1 = bfd_getb16(buffer); |
| } else { |
| insn1 = bfd_getl16(buffer); |
| } |
| (*info->fprintf_func)(info->stream, "%04x ", insn1); |
| |
| /* Handle 32-bit opcodes. */ |
| if ((insn1 & 0x1000) == 0) { |
| status = (*info->read_memory_func)(memaddr + 2, buffer, 2, info); |
| if (status != 0) { |
| (*info->memory_error_func)(status, memaddr + 2, info); |
| return -1; |
| } |
| |
| if (info->endian == BFD_ENDIAN_BIG) { |
| insn2 = bfd_getb16(buffer); |
| } else { |
| insn2 = bfd_getl16(buffer); |
| } |
| (*info->fprintf_func)(info->stream, "%04x ", insn2); |
| } else { |
| (*info->fprintf_func)(info->stream, " "); |
| } |
| /* Handle 48-bit opcodes. */ |
| if ((insn1 >> 10) == 0x18) { |
| status = (*info->read_memory_func)(memaddr + 4, buffer, 2, info); |
| if (status != 0) { |
| (*info->memory_error_func)(status, memaddr + 4, info); |
| return -1; |
| } |
| |
| if (info->endian == BFD_ENDIAN_BIG) { |
| insn3 = bfd_getb16(buffer); |
| } else { |
| insn3 = bfd_getl16(buffer); |
| } |
| (*info->fprintf_func)(info->stream, "%04x ", insn3); |
| } else { |
| (*info->fprintf_func)(info->stream, " "); |
| } |
| |
| int length = nanomips_dis(buf, memaddr, insn1, insn2, insn3); |
| |
| /* FIXME: Should probably use a hash table on the major opcode here. */ |
| |
| (*info->fprintf_func) (info->stream, "%s", buf); |
| if (length > 0) { |
| return length / 8; |
| } |
| |
| info->insn_type = dis_noninsn; |
| |
| return insn3 ? 6 : insn2 ? 4 : 2; |
| } |
| |
| |
| namespace img |
| { |
| address addr32(address a) |
| { |
| return a; |
| } |
| |
| std::string format(const char *format, ...) |
| { |
| char buffer[256]; |
| va_list args; |
| va_start(args, format); |
| int err = vsprintf(buffer, format, args); |
| if (err < 0) { |
| perror(buffer); |
| } |
| va_end(args); |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| std::string s2) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), s2.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| std::string s2, |
| std::string s3) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), s2.c_str(), s3.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| std::string s2, |
| std::string s3, |
| std::string s4) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), s2.c_str(), s3.c_str(), |
| s4.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| std::string s2, |
| std::string s3, |
| std::string s4, |
| std::string s5) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), s2.c_str(), s3.c_str(), |
| s4.c_str(), s5.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| uint64 d, |
| std::string s2) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, d, s2.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| uint64 d, |
| std::string s2) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), d, s2.c_str()); |
| |
| return buffer; |
| } |
| |
| std::string format(const char *format, |
| std::string s1, |
| std::string s2, |
| uint64 d) |
| { |
| char buffer[256]; |
| |
| sprintf(buffer, format, s1.c_str(), s2.c_str(), d); |
| |
| return buffer; |
| } |
| |
| char as_char(int c) |
| { |
| return static_cast<char>(c); |
| } |
| }; |
| |
| |
| std::string to_string(img::address a) |
| { |
| char buffer[256]; |
| sprintf(buffer, "0x%" PRIx64, a); |
| return buffer; |
| } |
| |
| |
| uint64 extract_bits(uint64 data, uint32 bit_offset, uint32 bit_size) |
| { |
| return (data << (64 - (bit_size + bit_offset))) >> (64 - bit_size); |
| } |
| |
| |
| int64 sign_extend(int64 data, int msb) |
| { |
| uint64 shift = 63 - msb; |
| return (data << shift) >> shift; |
| } |
| |
| |
| uint64 NMD::renumber_registers(uint64 index, uint64 *register_list, |
| size_t register_list_size) |
| { |
| if (index < register_list_size) { |
| return register_list[index]; |
| } |
| |
| throw std::runtime_error(img::format( |
| "Invalid register mapping index %" PRIu64 |
| ", size of list = %zu", |
| index, register_list_size)); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr4() - decoder for 'gpr4' gpr encoding type |
| * |
| * Map a 4-bit code to the 5-bit register space according to this pattern: |
| * |
| * 1 0 |
| * 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * | | | | | | | | | | | | | | | | |
| * | | | | | | | | | | | | | | | | |
| * | | | | | | | | | | | ā---------------ā |
| * | | | | | | | | | | ā---------------ā | |
| * | | | | | | | | | ā---------------ā | | |
| * | | | | | | | | ā---------------ā | | | |
| * | | | | | | | | | | | | | | | | |
| * | | | | | | | | | | | | | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * Used in handling following instructions: |
| * |
| * - ADDU[4X4] |
| * - LW[4X4] |
| * - MOVEP[REV] |
| * - MUL[4X4] |
| * - SW[4X4] |
| */ |
| uint64 NMD::decode_gpr_gpr4(uint64 d) |
| { |
| static uint64 register_list[] = { 8, 9, 10, 11, 4, 5, 6, 7, |
| 16, 17, 18, 19, 20, 21, 22, 23 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr4_zero() - decoder for 'gpr4.zero' gpr encoding type |
| * |
| * Map a 4-bit code to the 5-bit register space according to this pattern: |
| * |
| * 1 0 |
| * 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * | | | | | | | | | | | | | | | | |
| * | | | | | | | | | | | | ā---------------------ā |
| * | | | | | | | | | | | ā---------------ā | |
| * | | | | | | | | | | ā---------------ā | | |
| * | | | | | | | | | ā---------------ā | | | |
| * | | | | | | | | ā---------------ā | | | | |
| * | | | | | | | | | | | | | | | | |
| * | | | | | | | | | | | | | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * This pattern is the same one used for 'gpr4' gpr encoding type, except for |
| * the input value 3, that is mapped to the output value 0 instead of 11. |
| * |
| * Used in handling following instructions: |
| * |
| * - MOVE.BALC |
| * - MOVEP |
| * - SW[4X4] |
| */ |
| uint64 NMD::decode_gpr_gpr4_zero(uint64 d) |
| { |
| static uint64 register_list[] = { 8, 9, 10, 0, 4, 5, 6, 7, |
| 16, 17, 18, 19, 20, 21, 22, 23 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr3() - decoder for 'gpr3' gpr encoding type |
| * |
| * Map a 3-bit code to the 5-bit register space according to this pattern: |
| * |
| * 7 6 5 4 3 2 1 0 |
| * | | | | | | | | |
| * | | | | | | | | |
| * | | | ā-----------------------ā |
| * | | ā-----------------------ā | |
| * | ā-----------------------ā | | |
| * ā-----------------------ā | | | |
| * | | | | | | | | |
| * ā-------ā | | | | | | | |
| * | ā-------ā | | | | | | |
| * | | ā-------ā | | | | | |
| * | | | ā-------ā | | | | |
| * | | | | | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * Used in handling following instructions: |
| * |
| * - ADDIU[R1.SP] |
| * - ADDIU[R2] |
| * - ADDU[16] |
| * - AND[16] |
| * - ANDI[16] |
| * - BEQC[16] |
| * - BEQZC[16] |
| * - BNEC[16] |
| * - BNEZC[16] |
| * - LB[16] |
| * - LBU[16] |
| * - LH[16] |
| * - LHU[16] |
| * - LI[16] |
| * - LW[16] |
| * - LW[GP16] |
| * - LWXS[16] |
| * - NOT[16] |
| * - OR[16] |
| * - SB[16] |
| * - SH[16] |
| * - SLL[16] |
| * - SRL[16] |
| * - SUBU[16] |
| * - SW[16] |
| * - XOR[16] |
| */ |
| uint64 NMD::decode_gpr_gpr3(uint64 d) |
| { |
| static uint64 register_list[] = { 16, 17, 18, 19, 4, 5, 6, 7 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr3_src_store() - decoder for 'gpr3.src.store' gpr encoding |
| * type |
| * |
| * Map a 3-bit code to the 5-bit register space according to this pattern: |
| * |
| * 7 6 5 4 3 2 1 0 |
| * | | | | | | | | |
| * | | | | | | | ā-----------------------ā |
| * | | | ā-----------------------ā | |
| * | | ā-----------------------ā | | |
| * | ā-----------------------ā | | | |
| * ā-----------------------ā | | | | |
| * | | | | | | | | |
| * ā-------ā | | | | | | | |
| * | ā-------ā | | | | | | |
| * | | ā-------ā | | | | | |
| * | | | | | | | | |
| * | | | | | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * This pattern is the same one used for 'gpr3' gpr encoding type, except for |
| * the input value 0, that is mapped to the output value 0 instead of 16. |
| * |
| * Used in handling following instructions: |
| * |
| * - SB[16] |
| * - SH[16] |
| * - SW[16] |
| * - SW[GP16] |
| */ |
| uint64 NMD::decode_gpr_gpr3_src_store(uint64 d) |
| { |
| static uint64 register_list[] = { 0, 17, 18, 19, 4, 5, 6, 7 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr2_reg1() - decoder for 'gpr2.reg1' gpr encoding type |
| * |
| * Map a 2-bit code to the 5-bit register space according to this pattern: |
| * |
| * 3 2 1 0 |
| * | | | | |
| * | | | | |
| * | | | ā-------------------ā |
| * | | ā-------------------ā | |
| * | ā-------------------ā | | |
| * ā-------------------ā | | | |
| * | | | | |
| * | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * Used in handling following instructions: |
| * |
| * - MOVEP |
| * - MOVEP[REV] |
| */ |
| uint64 NMD::decode_gpr_gpr2_reg1(uint64 d) |
| { |
| static uint64 register_list[] = { 4, 5, 6, 7 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr2_reg2() - decoder for 'gpr2.reg2' gpr encoding type |
| * |
| * Map a 2-bit code to the 5-bit register space according to this pattern: |
| * |
| * 3 2 1 0 |
| * | | | | |
| * | | | | |
| * | | | ā-----------------ā |
| * | | ā-----------------ā | |
| * | ā-----------------ā | | |
| * ā-----------------ā | | | |
| * | | | | |
| * | | | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * Used in handling following instructions: |
| * |
| * - MOVEP |
| * - MOVEP[REV] |
| */ |
| uint64 NMD::decode_gpr_gpr2_reg2(uint64 d) |
| { |
| static uint64 register_list[] = { 5, 6, 7, 8 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| /* |
| * NMD::decode_gpr_gpr1() - decoder for 'gpr1' gpr encoding type |
| * |
| * Map a 1-bit code to the 5-bit register space according to this pattern: |
| * |
| * 1 0 |
| * | | |
| * | | |
| * | ā---------------------ā |
| * ā---------------------ā | |
| * | | |
| * | | |
| * | | |
| * | | |
| * 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 9 8 7 6 5 4 3 2 1 0 |
| * 3 2 1 0 |
| * |
| * Used in handling following instruction: |
| * |
| * - MOVE.BALC |
| */ |
| uint64 NMD::decode_gpr_gpr1(uint64 d) |
| { |
| static uint64 register_list[] = { 4, 5 }; |
| return renumber_registers(d, register_list, |
| sizeof(register_list) / sizeof(register_list[0])); |
| } |
| |
| |
| uint64 NMD::copy(uint64 d) |
| { |
| return d; |
| } |
| |
| |
| int64 NMD::copy(int64 d) |
| { |
| return d; |
| } |
| |
| |
| int64 NMD::neg_copy(uint64 d) |
| { |
| return 0ll - d; |
| } |
| |
| |
| int64 NMD::neg_copy(int64 d) |
| { |
| return -d; |
| } |
| |
| |
| /* strange wrapper around gpr3 */ |
| uint64 NMD::encode_rs3_and_check_rs3_ge_rt3(uint64 d) |
| { |
| return decode_gpr_gpr3(d); |
| } |
| |
| |
| /* strange wrapper around gpr3 */ |
| uint64 NMD::encode_rs3_and_check_rs3_lt_rt3(uint64 d) |
| { |
| return decode_gpr_gpr3(d); |
| } |
| |
| |
| /* nop - done by extraction function */ |
| uint64 NMD::encode_s_from_address(uint64 d) |
| { |
| return d; |
| } |
| |
| |
| /* nop - done by extraction function */ |
| uint64 NMD::encode_u_from_address(uint64 d) |
| { |
| return d; |
| } |
| |
| |
| /* nop - done by extraction function */ |
| uint64 NMD::encode_s_from_s_hi(uint64 d) |
| { |
| return d; |
| } |
| |
| |
| uint64 NMD::encode_count3_from_count(uint64 d) |
| { |
| IMGASSERTONCE(d < 8); |
| return d == 0ull ? 8ull : d; |
| } |
| |
| |
| uint64 NMD::encode_shift3_from_shift(uint64 d) |
| { |
| IMGASSERTONCE(d < 8); |
| return d == 0ull ? 8ull : d; |
| } |
| |
| |
| /* special value for load literal */ |
| int64 NMD::encode_eu_from_s_li16(uint64 d) |
| { |
| IMGASSERTONCE(d < 128); |
| return d == 127 ? -1 : (int64)d; |
| } |
| |
| |
| uint64 NMD::encode_msbd_from_size(uint64 d) |
| { |
| IMGASSERTONCE(d < 32); |
| return d + 1; |
| } |
| |
| |
| uint64 NMD::encode_eu_from_u_andi16(uint64 d) |
| { |
| IMGASSERTONCE(d < 16); |
| if (d == 12) { |
| return 0x00ffull; |
| } |
| if (d == 13) { |
| return 0xffffull; |
| } |
| return d; |
| } |
| |
| |
| uint64 NMD::encode_msbd_from_pos_and_size(uint64 d) |
| { |
| IMGASSERTONCE(0); |
| return d; |
| } |
| |
| |
| /* save16 / restore16 ???? */ |
| uint64 NMD::encode_rt1_from_rt(uint64 d) |
| { |
| return d ? 31 : 30; |
| } |
| |
| |
| /* ? */ |
| uint64 NMD::encode_lsb_from_pos_and_size(uint64 d) |
| { |
| return d; |
| } |
| |
| |
| std::string NMD::save_restore_list(uint64 rt, uint64 count, uint64 gp) |
| { |
| std::string str; |
| |
| for (uint64 counter = 0; counter != count; counter++) { |
| bool use_gp = gp && (counter == count - 1); |
| uint64 this_rt = use_gp ? 28 : ((rt & 0x10) | (rt + counter)) & 0x1f; |
| str += img::format(",%s", GPR(this_rt)); |
| } |
| |
| return str; |
| } |
| |
| |
| std::string NMD::GPR(uint64 reg) |
| { |
| static const char *gpr_reg[32] = { |
| "zero", "at", "v0", "v1", "a0", "a1", "a2", "a3", |
| "a4", "a5", "a6", "a7", "r12", "r13", "r14", "r15", |
| "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
| "r24", "r25", "k0", "k1", "gp", "sp", "fp", "ra" |
| }; |
| |
| if (reg < 32) { |
| return gpr_reg[reg]; |
| } |
| |
| throw std::runtime_error(img::format("Invalid GPR register index %" PRIu64, |
| reg)); |
| } |
| |
| |
| std::string NMD::FPR(uint64 reg) |
| { |
| static const char *fpr_reg[32] = { |
| "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7", |
| "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15", |
| "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23", |
| "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31" |
| }; |
| |
| if (reg < 32) { |
| return fpr_reg[reg]; |
| } |
| |
| throw std::runtime_error(img::format("Invalid FPR register index %" PRIu64, |
| reg)); |
| } |
| |
| |
| std::string NMD::AC(uint64 reg) |
| { |
| static const char *ac_reg[4] = { |
| "ac0", "ac1", "ac2", "ac3" |
| }; |
| |
| if (reg < 4) { |
| return ac_reg[reg]; |
| } |
| |
| throw std::runtime_error(img::format("Invalid AC register index %" PRIu64, |
| reg)); |
| } |
| |
| |
| std::string NMD::IMMEDIATE(uint64 value) |
| { |
| return img::format("0x%" PRIx64, value); |
| } |
| |
| |
| std::string NMD::IMMEDIATE(int64 value) |
| { |
| return img::format("%" PRId64, value); |
| } |
| |
| |
| std::string NMD::CPR(uint64 reg) |
| { |
| /* needs more work */ |
| return img::format("CP%" PRIu64, reg); |
| } |
| |
| |
| std::string NMD::ADDRESS(uint64 value, int instruction_size) |
| { |
| /* token for string replace */ |
| /* const char TOKEN_REPLACE = (char)0xa2; */ |
| img::address address = m_pc + value + instruction_size; |
| /* symbol replacement */ |
| /* return img::as_char(TOKEN_REPLACE) + to_string(address); */ |
| return to_string(address); |
| } |
| |
| |
| uint64 NMD::extract_op_code_value(const uint16 * data, int size) |
| { |
| switch (size) { |
| case 16: |
| return data[0]; |
| case 32: |
| return ((uint64)data[0] << 16) | data[1]; |
| case 48: |
| return ((uint64)data[0] << 32) | ((uint64)data[1] << 16) | data[2]; |
| default: |
| return data[0]; |
| } |
| } |
| |
| |
| int NMD::Disassemble(const uint16 * data, std::string & dis, |
| NMD::TABLE_ENTRY_TYPE & type) |
| { |
| return Disassemble(data, dis, type, MAJOR, 2); |
| } |
| |
| |
| /* |
| * Recurse through tables until the instruction is found then return |
| * the string and size |
| * |
| * inputs: |
| * pointer to a word stream, |
| * disassember table and size |
| * returns: |
| * instruction size - negative is error |
| * disassembly string - on error will constain error string |
| */ |
| int NMD::Disassemble(const uint16 * data, std::string & dis, |
| NMD::TABLE_ENTRY_TYPE & type, const Pool *table, |
| int table_size) |
| { |
| try |
| { |
| for (int i = 0; i < table_size; i++) { |
| uint64 op_code = extract_op_code_value(data, |
| table[i].instructions_size); |
| if ((op_code & table[i].mask) == table[i].value) { |
| /* possible match */ |
| conditional_function cond = table[i].condition; |
| if ((cond == 0) || (this->*cond)(op_code)) { |
| try |
| { |
| if (table[i].type == pool) { |
| return Disassemble(data, dis, type, |
| table[i].next_table, |
| table[i].next_table_size); |
| } else if ((table[i].type == instruction) || |
| (table[i].type == call_instruction) || |
| (table[i].type == branch_instruction) || |
| (table[i].type == return_instruction)) { |
| if ((table[i].attributes != 0) && |
| (m_requested_instruction_categories & |
| table[i].attributes) == 0) { |
| /* |
| * failed due to instruction having |
| * an ASE attribute and the requested version |
| * not having that attribute |
| */ |
| dis = "ASE attribute mismatch"; |
| return -5; |
| } |
| disassembly_function dis_fn = table[i].disassembly; |
| if (dis_fn == 0) { |
| dis = "disassembler failure - bad table entry"; |
| return -6; |
| } |
| type = table[i].type; |
| dis = (this->*dis_fn)(op_code); |
| return table[i].instructions_size; |
| } else { |
| dis = "reserved instruction"; |
| return -2; |
| } |
| } |
| catch (std::runtime_error & e) |
| { |
| dis = e.what(); |
| return -3; /* runtime error */ |
| } |
| } |
| } |
| } |
| } |
| catch (std::exception & e) |
| { |
| dis = e.what(); |
| return -4; /* runtime error */ |
| } |
| |
| dis = "failed to disassemble"; |
| return -1; /* failed to disassemble */ |
| } |
| |
| |
| uint64 NMD::extract_code_18_to_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 19); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shift3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_11_10_9_8_7_6_5_4_3__s3(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 9) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_count_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 4); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rtz3_9_8_7(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 7, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_17_to_1__s1(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 1, 17) << 1; |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se9_20_19_18_17_16_15_14_13_12_11(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 11, 10); |
| value = sign_extend(value, 9); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 11; |
| value |= extract_bits(instruction, 1, 10) << 1; |
| value = sign_extend(value, 11); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_10(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 10, 1); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rtz4_27_26_25_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 3); |
| value |= extract_bits(instruction, 25, 1) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_sa_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shift_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shiftx_10_9_8_7__s1(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 7, 4) << 1; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_hint_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_count3_14_13_12(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 12, 3); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se31_0_11_to_2_20_to_12_s12(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 31; |
| value |= extract_bits(instruction, 2, 10) << 21; |
| value |= extract_bits(instruction, 12, 9) << 12; |
| value = sign_extend(value, 31); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se7_0_6_5_4_3_2_1_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 7; |
| value |= extract_bits(instruction, 1, 6) << 1; |
| value = sign_extend(value, 7); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u2_10_9(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 9, 2); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_code_25_24_23_22_21_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 10); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rs_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_2_1__s1(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 1, 2) << 1; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_stripe_6(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 6, 1); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_ac_15_14(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 14, 2); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shift_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rdl_25_24(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 24, 1); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se10_0_9_8_7_6_5_4_3_2_1_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 10; |
| value |= extract_bits(instruction, 1, 9) << 1; |
| value = sign_extend(value, 10); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_eu_6_5_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 7); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shift_5_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 6); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_count_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 4); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_code_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_11_10_9_8_7_6_5_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 12); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rs_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_20_to_3__s3(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 18) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_3_2_1_0__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 4) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_cofun_25_24_23(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 23); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_2_1_0__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 3) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rd3_3_2_1(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 1, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_sa_15_14_13_12(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 12, 4); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rt_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_ru_7_6_5_4_3(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_17_to_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 18); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rsz4_4_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 3); |
| value |= extract_bits(instruction, 4, 1) << 3; |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se21_0_20_to_1_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 21; |
| value |= extract_bits(instruction, 1, 20) << 1; |
| value = sign_extend(value, 21); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_op_25_to_3(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 23); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rs4_4_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 3); |
| value |= extract_bits(instruction, 4, 1) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_bit_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rt_41_40_39_38_37(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 37, 5); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_shift__se5_21_20_19_18_17_16(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 16, 6); |
| value = sign_extend(value, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rd2_3_8(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 1) << 1; |
| value |= extract_bits(instruction, 8, 1); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_code_17_to_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 18); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_size_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se8_15_7_6_5_4_3_2_s2(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 2, 6) << 2; |
| value |= extract_bits(instruction, 15, 1) << 8; |
| value = sign_extend(value, 8); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_15_to_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 16); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_fs_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se8_15_7_6_5_4_3_2_1_0(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 8); |
| value |= extract_bits(instruction, 15, 1) << 8; |
| value = sign_extend(value, 8); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_stype_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rtl_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 9, 1); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_hs_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_sel_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_lsb_4_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_gp_2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 2, 1); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rt3_9_8_7(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 7, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_ft_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_17_16_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 7); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_cs_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rt4_9_7_6_5(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 5, 3); |
| value |= extract_bits(instruction, 9, 1) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_msbt_10_9_8_7_6(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 6, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_5_4_3_2_1_0__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 6) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_sa_15_14_13(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 13, 3); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se14_0_13_to_1_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 14; |
| value |= extract_bits(instruction, 1, 13) << 1; |
| value = sign_extend(value, 14); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rs3_6_5_4(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 4, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_31_to_0__s32(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 32) << 32; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shift_10_9_8_7_6(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 6, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_cs_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_shiftx_11_10_9_8_7_6(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 6, 6); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rt_9_8_7_6_5(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 5, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_op_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_6_5_4_3_2_1_0__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 7) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_bit_16_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 6); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_mask_20_19_18_17_16_15_14(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 14, 7); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_eu_3_2_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 4); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_7_6_5_4__s4(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 4, 4) << 4; |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se8_15_7_6_5_4_3_s3(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 3, 5) << 3; |
| value |= extract_bits(instruction, 15, 1) << 8; |
| value = sign_extend(value, 8); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_ft_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 5); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se31_15_to_0_31_to_16(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 16) << 16; |
| value |= extract_bits(instruction, 16, 16); |
| value = sign_extend(value, 31); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_20_19_18_17_16_15_14_13(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 13, 8); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_17_to_2__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 2, 16) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rd_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_c0s_20_19_18_17_16(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 16, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_code_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 2); |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se25_0_24_to_1_s1(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 1) << 25; |
| value |= extract_bits(instruction, 1, 24) << 1; |
| value = sign_extend(value, 25); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_1_0(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 2); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_3_8__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 3, 1) << 3; |
| value |= extract_bits(instruction, 8, 1) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_fd_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_4_3_2_1_0__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 5) << 2; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_rtz4_9_7_6_5(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 5, 3); |
| value |= extract_bits(instruction, 9, 1) << 3; |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_sel_15_14_13_12_11(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 11, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_ct_25_24_23_22_21(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 21, 5); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_20_to_2__s2(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 2, 19) << 2; |
| return value; |
| } |
| |
| |
| int64 NMD::extract_s__se3_4_2_1_0(uint64 instruction) |
| { |
| int64 value = 0; |
| value |= extract_bits(instruction, 0, 3); |
| value |= extract_bits(instruction, 4, 1) << 3; |
| value = sign_extend(value, 3); |
| return value; |
| } |
| |
| |
| uint64 NMD::extract_u_3_2_1_0__s1(uint64 instruction) |
| { |
| uint64 value = 0; |
| value |= extract_bits(instruction, 0, 4) << 1; |
| return value; |
| } |
| |
| |
| |
| bool NMD::ADDIU_32__cond(uint64 instruction) |
| { |
| uint64 rt = extract_rt_25_24_23_22_21(instruction); |
| return rt != 0; |
| } |
| |
| |
| bool NMD::ADDIU_RS5__cond(uint64 instruction) |
| { |
| uint64 rt = extract_rt_9_8_7_6_5(instruction); |
| return rt != 0; |
| } |
| |
| |
| bool NMD::BALRSC_cond(uint64 instruction) |
| { |
| uint64 rt = extract_rt_25_24_23_22_21(instruction); |
| return rt != 0; |
| } |
| |
| |
| bool NMD::BEQC_16__cond(uint64 instruction) |
| { |
| uint64 rs3 = extract_rs3_6_5_4(instruction); |
| uint64 rt3 = extract_rt3_9_8_7(instruction); |
| uint64 u = extract_u_3_2_1_0__s1(instruction); |
| return rs3 < rt3 && u != 0; |
| } |
| |
| |
| bool NMD::BNEC_16__cond(uint64 instruction) |
| { |
| uint64 rs3 = extract_rs3_6_5_4(instruction); |
| uint64 rt3 = extract_rt3_9_8_7(instruction); |
| uint64 u = extract_u_3_2_1_0__s1(instruction); |
| return rs3 >= rt3 && u != 0; |
| } |
| |
| |
| bool NMD::MOVE_cond(uint64 instruction) |
| { |
| uint64 rt = extract_rt_9_8_7_6_5(instruction); |
| return rt != 0; |
| } |
| |
| |
| bool NMD::P16_BR1_cond(uint64 instruction) |
| { |
| uint64 u = extract_u_3_2_1_0__s1(instruction); |
| return u != 0; |
| } |
| |
| |
| bool NMD::PREF_S9__cond(uint64 instruction) |
| { |
| uint64 hint = extract_hint_25_24_23_22_21(instruction); |
| return hint != 31; |
| } |
| |
| |
| bool NMD::PREFE_cond(uint64 instruction) |
| { |
| uint64 hint = extract_hint_25_24_23_22_21(instruction); |
| return hint != 31; |
| } |
| |
| |
| bool NMD::SLTU_cond(uint64 instruction) |
| { |
| uint64 rd = extract_rd_15_14_13_12_11(instruction); |
| return rd != 0; |
| } |
| |
| |
| |
| /* |
| * ABS.D fd, fs - Floating Point Absolute Value |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 010001 00000 000101 |
| * fmt ----- |
| * fs ----- |
| * fd ----- |
| */ |
| std::string NMD::ABS_D(uint64 instruction) |
| { |
| uint64 fd_value = extract_ft_25_24_23_22_21(instruction); |
| uint64 fs_value = extract_fs_20_19_18_17_16(instruction); |
| |
| std::string fs = FPR(copy(fs_value)); |
| std::string fd = FPR(copy(fd_value)); |
| |
| return img::format("ABS.D %s, %s", fd, fs); |
| } |
| |
| |
| /* |
| * ABS.S fd, fs - Floating Point Absolute Value |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 010001 00000 000101 |
| * fmt ----- |
| * fd ----- |
| * fs ----- |
| */ |
| std::string NMD::ABS_S(uint64 instruction) |
| { |
| uint64 fd_value = extract_ft_25_24_23_22_21(instruction); |
| uint64 fs_value = extract_fs_20_19_18_17_16(instruction); |
| |
| std::string fs = FPR(copy(fs_value)); |
| std::string fd = FPR(copy(fd_value)); |
| |
| return img::format("ABS.S %s, %s", fd, fs); |
| } |
| |
| |
| /* |
| * [DSP] ABSQ_S.PH rt, rs - Find absolute value of two fractional halfwords |
| * with 16-bit saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0001000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ABSQ_S_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("ABSQ_S.PH %s, %s", rt, rs); |
| } |
| |
| |
| /* |
| * [DSP] ABSQ_S.QB rt, rs - Find absolute value of four fractional byte values |
| * with 8-bit saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0000000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ABSQ_S_QB(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("ABSQ_S.QB %s, %s", rt, rs); |
| } |
| |
| |
| /* |
| * [DSP] ABSQ_S.W rt, rs - Find absolute value of fractional word with 32-bit |
| * saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ABSQ_S_W(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("ABSQ_S.W %s, %s", rt, rs); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ACLR(uint64 instruction) |
| { |
| uint64 bit_value = extract_bit_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se8_15_7_6_5_4_3_2_1_0(instruction); |
| |
| std::string bit = IMMEDIATE(copy(bit_value)); |
| std::string s = IMMEDIATE(copy(s_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("ACLR %s, %s(%s)", bit, s, rs); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADD(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADD %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADD.D fd, fs, ft - Floating Point Add |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 010001 000101 |
| * fmt ----- |
| * ft ----- |
| * fs ----- |
| * fd ----- |
| */ |
| std::string NMD::ADD_D(uint64 instruction) |
| { |
| uint64 ft_value = extract_ft_25_24_23_22_21(instruction); |
| uint64 fs_value = extract_fs_20_19_18_17_16(instruction); |
| uint64 fd_value = extract_fd_15_14_13_12_11(instruction); |
| |
| std::string ft = FPR(copy(ft_value)); |
| std::string fs = FPR(copy(fs_value)); |
| std::string fd = FPR(copy(fd_value)); |
| |
| return img::format("ADD.D %s, %s, %s", fd, fs, ft); |
| } |
| |
| |
| /* |
| * ADD.S fd, fs, ft - Floating Point Add |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 010001 000101 |
| * fmt ----- |
| * ft ----- |
| * fs ----- |
| * fd ----- |
| */ |
| std::string NMD::ADD_S(uint64 instruction) |
| { |
| uint64 ft_value = extract_ft_25_24_23_22_21(instruction); |
| uint64 fs_value = extract_fs_20_19_18_17_16(instruction); |
| uint64 fd_value = extract_fd_15_14_13_12_11(instruction); |
| |
| std::string ft = FPR(copy(ft_value)); |
| std::string fs = FPR(copy(fs_value)); |
| std::string fd = FPR(copy(fd_value)); |
| |
| return img::format("ADD.S %s, %s, %s", fd, fs, ft); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 u_value = extract_u_15_to_0(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ADDIU %s, %s, %s", rt, rs, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_48_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_41_40_39_38_37(instruction); |
| int64 s_value = extract_s__se31_15_to_0_31_to_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = IMMEDIATE(copy(s_value)); |
| |
| return img::format("ADDIU %s, %s", rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_GP48_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_41_40_39_38_37(instruction); |
| int64 s_value = extract_s__se31_15_to_0_31_to_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = IMMEDIATE(copy(s_value)); |
| |
| return img::format("ADDIU %s, $%d, %s", rt, 28, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_GP_B_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_to_0(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ADDIU %s, $%d, %s", rt, 28, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_GP_W_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_20_to_2__s2(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ADDIU %s, $%d, %s", rt, 28, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_NEG_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 u_value = extract_u_11_10_9_8_7_6_5_4_3_2_1_0(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string u = IMMEDIATE(neg_copy(u_value)); |
| |
| return img::format("ADDIU %s, %s, %s", rt, rs, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_R1_SP_(uint64 instruction) |
| { |
| uint64 u_value = extract_u_5_4_3_2_1_0__s2(instruction); |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ADDIU %s, $%d, %s", rt3, 29, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 0010000100111111 |
| * rt ----- |
| * rs ----- |
| */ |
| std::string NMD::ADDIU_R2_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| uint64 rs3_value = extract_rs3_6_5_4(instruction); |
| uint64 u_value = extract_u_2_1_0__s2(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string rs3 = GPR(decode_gpr_gpr3(rs3_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ADDIU %s, %s, %s", rt3, rs3, u); |
| } |
| |
| |
| /* |
| * ADDIU[RS5] rt, s5 - Add Signed Word and Set Carry Bit |
| * |
| * 5432109876543210 |
| * 100100 1 |
| * rt ----- |
| * s - --- |
| */ |
| std::string NMD::ADDIU_RS5_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_9_8_7_6_5(instruction); |
| int64 s_value = extract_s__se3_4_2_1_0(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = IMMEDIATE(copy(s_value)); |
| |
| return img::format("ADDIU %s, %s", rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDIUPC_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se21_0_20_to_1_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("ADDIUPC %s, %s", rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDIUPC_48_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_41_40_39_38_37(instruction); |
| int64 s_value = extract_s__se31_15_to_0_31_to_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 6); |
| |
| return img::format("ADDIUPC %s, %s", rt, s); |
| } |
| |
| |
| /* |
| * [DSP] ADDQ.PH rd, rt, rs - Add fractional halfword vectors |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00000001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQ_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQ.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQ_S.PH rd, rt, rs - Add fractional halfword vectors with 16-bit |
| * saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10000001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQ_S_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQ_S.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQ_S.W rd, rt, rs - Add fractional words with 32-bit saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1100000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQ_S_W(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQ_S.W %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQH.PH rd, rt, rs - Add fractional halfword vectors and shift |
| * right to halve results |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00001001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQH_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQH.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQH_R.PH rd, rt, rs - Add fractional halfword vectors and shift |
| * right to halve results with rounding |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10001001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQH_R_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQH_R.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQH_R.W rd, rt, rs - Add fractional words and shift right to halve |
| * results with rounding |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00010001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQH_R_W(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQH_R.W %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDQH.W rd, rt, rs - Add fractional words and shift right to halve |
| * results |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10010001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDQH_W(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDQH.W %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDSC rd, rt, rs - Add two signed words and set carry bit |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDSC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDSC %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADDU[16] rd3, rs3, rt3 - |
| * |
| * 5432109876543210 |
| * 101100 0 |
| * rt3 --- |
| * rs3 --- |
| * rd3 --- |
| */ |
| std::string NMD::ADDU_16_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| uint64 rs3_value = extract_rs3_6_5_4(instruction); |
| uint64 rd3_value = extract_rd3_3_2_1(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string rs3 = GPR(decode_gpr_gpr3(rs3_value)); |
| std::string rd3 = GPR(decode_gpr_gpr3(rd3_value)); |
| |
| return img::format("ADDU %s, %s, %s", rd3, rs3, rt3); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDU %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_4X4_(uint64 instruction) |
| { |
| uint64 rt4_value = extract_rt4_9_7_6_5(instruction); |
| uint64 rs4_value = extract_rs4_4_2_1_0(instruction); |
| |
| std::string rs4 = GPR(decode_gpr_gpr4(rs4_value)); |
| std::string rt4 = GPR(decode_gpr_gpr4(rt4_value)); |
| |
| return img::format("ADDU %s, %s", rs4, rt4); |
| } |
| |
| |
| /* |
| * [DSP] ADDU.PH rd, rt, rs - Add two pairs of unsigned halfwords |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00100001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDU.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADDU.QB rd, rt, rs - Unsigned Add Quad Byte Vectors |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00011001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_QB(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDU.QB %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * [DSP] ADDU_S.PH rd, rt, rs - Add two pairs of unsigned halfwords with 16-bit |
| * saturation |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10100001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_S_PH(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDU_S.PH %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADDU_S.QB rd, rt, rs - Unsigned Add Quad Byte Vectors |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10011001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDU_S_QB(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDU_S.QB %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADDUH.QB rd, rt, rs - Unsigned Add Vector Quad-Bytes And Right Shift |
| * to Halve Results |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 00101001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDUH_QB(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDUH.QB %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ADDUH_R.QB rd, rt, rs - Unsigned Add Vector Quad-Bytes And Right Shift |
| * to Halve Results |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 10101001101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDUH_R_QB(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDUH_R.QB %s, %s, %s", rd, rs, rt); |
| } |
| |
| /* |
| * ADDWC rd, rt, rs - Add Word with Carry Bit |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1111000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ADDWC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("ADDWC %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ALUIPC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se31_0_11_to_2_20_to_12_s12(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("ALUIPC %s, %%pcrel_hi(%s)", rt, s); |
| } |
| |
| |
| /* |
| * AND[16] rt3, rs3 - |
| * |
| * 5432109876543210 |
| * 101100 |
| * rt3 --- |
| * rs3 --- |
| * eu ---- |
| */ |
| std::string NMD::AND_16_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| uint64 rs3_value = extract_rs3_6_5_4(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string rs3 = GPR(decode_gpr_gpr3(rs3_value)); |
| |
| return img::format("AND %s, %s", rs3, rt3); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::AND_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 rd_value = extract_rd_15_14_13_12_11(instruction); |
| |
| std::string rd = GPR(copy(rd_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| |
| return img::format("AND %s, %s, %s", rd, rs, rt); |
| } |
| |
| |
| /* |
| * ANDI rt, rs, u - |
| * |
| * 5432109876543210 |
| * 101100 |
| * rt3 --- |
| * rs3 --- |
| * eu ---- |
| */ |
| std::string NMD::ANDI_16_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| uint64 rs3_value = extract_rs3_6_5_4(instruction); |
| uint64 eu_value = extract_eu_3_2_1_0(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string rs3 = GPR(decode_gpr_gpr3(rs3_value)); |
| std::string eu = IMMEDIATE(encode_eu_from_u_andi16(eu_value)); |
| |
| return img::format("ANDI %s, %s, %s", rt3, rs3, eu); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ANDI_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 u_value = extract_u_11_10_9_8_7_6_5_4_3_2_1_0(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| |
| return img::format("ANDI %s, %s, %s", rt, rs, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::APPEND(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| uint64 sa_value = extract_sa_15_14_13_12_11(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| std::string sa = IMMEDIATE(copy(sa_value)); |
| |
| return img::format("APPEND %s, %s, %s", rt, rs, sa); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::ASET(uint64 instruction) |
| { |
| uint64 bit_value = extract_bit_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se8_15_7_6_5_4_3_2_1_0(instruction); |
| |
| std::string bit = IMMEDIATE(copy(bit_value)); |
| std::string s = IMMEDIATE(copy(s_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("ASET %s, %s(%s)", bit, s, rs); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BALC_16_(uint64 instruction) |
| { |
| int64 s_value = extract_s__se10_0_9_8_7_6_5_4_3_2_1_s1(instruction); |
| |
| std::string s = ADDRESS(encode_s_from_address(s_value), 2); |
| |
| return img::format("BALC %s", s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BALC_32_(uint64 instruction) |
| { |
| int64 s_value = extract_s__se25_0_24_to_1_s1(instruction); |
| |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BALC %s", s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BALRSC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string rs = GPR(copy(rs_value)); |
| |
| return img::format("BALRSC %s, %s", rt, rs); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BBEQZC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 bit_value = extract_bit_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string bit = IMMEDIATE(copy(bit_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BBEQZC %s, %s, %s", rt, bit, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BBNEZC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 bit_value = extract_bit_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string bit = IMMEDIATE(copy(bit_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BBNEZC %s, %s, %s", rt, bit, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC_16_(uint64 instruction) |
| { |
| int64 s_value = extract_s__se10_0_9_8_7_6_5_4_3_2_1_s1(instruction); |
| |
| std::string s = ADDRESS(encode_s_from_address(s_value), 2); |
| |
| return img::format("BC %s", s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC_32_(uint64 instruction) |
| { |
| int64 s_value = extract_s__se25_0_24_to_1_s1(instruction); |
| |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BC %s", s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC1EQZC(uint64 instruction) |
| { |
| uint64 ft_value = extract_ft_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string ft = FPR(copy(ft_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BC1EQZC %s, %s", ft, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC1NEZC(uint64 instruction) |
| { |
| uint64 ft_value = extract_ft_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string ft = FPR(copy(ft_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BC1NEZC %s, %s", ft, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC2EQZC(uint64 instruction) |
| { |
| uint64 ct_value = extract_ct_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string ct = CPR(copy(ct_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BC2EQZC %s, %s", ct, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BC2NEZC(uint64 instruction) |
| { |
| uint64 ct_value = extract_ct_25_24_23_22_21(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string ct = CPR(copy(ct_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BC2NEZC %s, %s", ct, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BEQC_16_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| uint64 rs3_value = extract_rs3_6_5_4(instruction); |
| uint64 u_value = extract_u_3_2_1_0__s1(instruction); |
| |
| std::string rs3 = GPR(encode_rs3_and_check_rs3_lt_rt3(rs3_value)); |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string u = ADDRESS(encode_u_from_address(u_value), 2); |
| |
| return img::format("BEQC %s, %s, %s", rs3, rt3, u); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BEQC_32_(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BEQC %s, %s, %s", rs, rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BEQIC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BEQIC %s, %s, %s", rt, u, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BEQZC_16_(uint64 instruction) |
| { |
| uint64 rt3_value = extract_rt3_9_8_7(instruction); |
| int64 s_value = extract_s__se7_0_6_5_4_3_2_1_s1(instruction); |
| |
| std::string rt3 = GPR(decode_gpr_gpr3(rt3_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 2); |
| |
| return img::format("BEQZC %s, %s", rt3, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BGEC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BGEC %s, %s, %s", rs, rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BGEIC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BGEIC %s, %s, %s", rt, u, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BGEIUC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BGEIUC %s, %s, %s", rt, u, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BGEUC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BGEUC %s, %s, %s", rs, rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BLTC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string rs = GPR(copy(rs_value)); |
| std::string rt = GPR(copy(rt_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BLTC %s, %s, %s", rs, rt, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BLTIC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BLTIC %s, %s, %s", rt, u, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BLTIUC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 u_value = extract_u_17_16_15_14_13_12_11(instruction); |
| int64 s_value = extract_s__se11_0_10_9_8_7_6_5_4_3_2_1_0_s1(instruction); |
| |
| std::string rt = GPR(copy(rt_value)); |
| std::string u = IMMEDIATE(copy(u_value)); |
| std::string s = ADDRESS(encode_s_from_address(s_value), 4); |
| |
| return img::format("BLTIUC %s, %s, %s", rt, u, s); |
| } |
| |
| |
| /* |
| * |
| * |
| * 3 2 1 |
| * 10987654321098765432109876543210 |
| * 001000 x1110000101 |
| * rt ----- |
| * rs ----- |
| * rd ----- |
| */ |
| std::string NMD::BLTUC(uint64 instruction) |
| { |
| uint64 rt_value = extract_rt_25_24_23_22_21(instruction); |
| uint64 rs_value = extract_rs_20_19_18_17_16(instruction); |
| int64 s_value = extract_s__se14_0_13_to_1_s1(instruction); |
| |
| std::string rs = GPR(copy(rs_value)); |
|