| /* |
| * Copyright (c) 2016 The University of Virginia |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions are |
| * met: redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer; |
| * redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution; |
| * neither the name of the copyright holders nor the names of its |
| * contributors may be used to endorse or promote products derived from |
| * this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * |
| * Authors: Alec Roelke |
| */ |
| |
| #include <fcntl.h> |
| #include <sys/stat.h> |
| #include <sys/time.h> |
| #include <sys/times.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <cstdint> |
| #include <cstring> |
| #include <iostream> |
| #include <limits> |
| |
| #include "insttest.h" |
| #include "rv64i.h" |
| |
| int main() |
| { |
| using namespace std; |
| using namespace insttest; |
| |
| // LUI |
| expect<int64_t>(4096, []{return I::lui(1);}, "lui"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::lui(0x80000);}, "lui, negative"); |
| |
| // AUIPC |
| expect<bool>(true, []{return I::auipc(3);}, "auipc"); |
| |
| // Jump (JAL, JALR) |
| expect<bool>(true, []{return I::jal();}, "jal"); |
| expect<bool>(true, []{return I::jalr();}, "jalr"); |
| |
| // BEQ |
| expect<bool>(true, []{return I::beq(5, 5);}, "beq, equal"); |
| expect<bool>(false, []{return I::beq(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "beq, not equal"); |
| |
| // BNE |
| expect<bool>(false, []{return I::bne(5, 5);}, "bne, equal"); |
| expect<bool>(true, []{return I::bne(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "bne, not equal"); |
| |
| // BLT |
| expect<bool>(true, []{return I::blt(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::max());}, "blt, less"); |
| expect<bool>(false, []{return I::blt(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::min());}, "blt, equal"); |
| expect<bool>(false, []{return I::blt(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "blt, greater"); |
| |
| // BGE |
| expect<bool>(false, []{return I::bge(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::max());}, "bge, less"); |
| expect<bool>(true, []{return I::bge(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::min());}, "bge, equal"); |
| expect<bool>(true, []{return I::bge(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "bge, greater"); |
| |
| // BLTU |
| expect<bool>(true, []{return I::blt(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::max());}, "bltu, greater"); |
| expect<bool>(false, []{return I::blt(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::min());}, "bltu, equal"); |
| expect<bool>(false, []{return I::blt(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "bltu, less"); |
| |
| // BGEU |
| expect<bool>(false, []{return I::bge(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::max());}, "bgeu, greater"); |
| expect<bool>(true, []{return I::bge(numeric_limits<int64_t>::min(), |
| numeric_limits<int64_t>::min());}, "bgeu, equal"); |
| expect<bool>(true, []{return I::bge(numeric_limits<int64_t>::max(), |
| numeric_limits<int64_t>::min());}, "bgeu, less"); |
| |
| // Load (LB, LH, LW, LBU, LHU) |
| expect<int64_t>(7, []{return I::load<int8_t, int64_t>(0x07);}, |
| "lb, positive"); |
| expect<int64_t>(numeric_limits<int8_t>::min(), |
| []{return I::load<int8_t, int64_t>(0x80);}, "lb, negative"); |
| expect<int64_t>(1792, []{return I::load<int16_t, int64_t>(0x0700);}, |
| "lh, positive"); |
| expect<int64_t>(numeric_limits<int16_t>::min(), |
| []{return I::load<int16_t, int64_t>(0x8000);}, "lh, negative"); |
| expect<int64_t>(458752, []{return I::load<int32_t, int64_t>(0x00070000);}, |
| "lw, positive"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::load<int32_t, int64_t>(0x80000000);}, |
| "lw, negative"); |
| expect<uint64_t>(128, []{return I::load<uint8_t, uint64_t>(0x80);}, "lbu"); |
| expect<uint64_t>(32768, []{return I::load<uint16_t, uint64_t>(0x8000);}, |
| "lhu"); |
| |
| // Store (SB, SH, SW) |
| expect<uint8_t>(0xFF, []{return I::store<int8_t>(-1);}, "sb"); |
| expect<uint16_t>(0xFFFF, []{return I::store<int16_t>(-1);}, "sh"); |
| expect<uint32_t>(0xFFFFFFFF, []{return I::store<int32_t>(-1);}, "sw"); |
| |
| // ADDI |
| expect<int64_t>(1073742078, []{return I::addi(0x3FFFFFFF, 255);}, |
| "addi"); |
| expect<int64_t>(1, []{return I::addi(-1, 2);}, "addi, overflow"); |
| |
| // SLTI |
| expect<bool>(true, []{return I::slti(-1, 0);}, "slti, true"); |
| expect<bool>(false, []{return I::slti(0, -1);}, "slti, false"); |
| |
| // SLTIU |
| expect<bool>(false, []{return I::sltiu(-1, 0);}, "sltiu, false"); |
| expect<bool>(true, []{return I::sltiu(0, -1);}, "sltiu, true"); |
| expect<bool>(true, []{return I::sltiu(0xFFFF, -1);}, "sltiu, sext"); |
| |
| // XORI |
| expect<uint64_t>(0xFF, []{return I::xori(0xAA, 0x55);}, "xori (1)"); |
| expect<uint64_t>(0, []{return I::xori(0xAA, 0xAA);}, "xori (0)"); |
| |
| // ORI |
| expect<uint64_t>(0xFF, []{return I::ori(0xAA, 0x55);}, "ori (1)"); |
| expect<uint64_t>(0xAA, []{return I::ori(0xAA, 0xAA);}, "ori (A)"); |
| |
| // ANDI |
| expect<uint64_t>(0, []{return I::andi(-1, 0);}, "andi (0)"); |
| expect<uint64_t>(0x1234567812345678ULL, |
| []{return I::andi(0x1234567812345678ULL, -1);}, "andi (1)"); |
| |
| // SLLI |
| expect<int64_t>(65280, []{return I::slli(255, 8);}, "slli, general"); |
| expect<int64_t>(numeric_limits<int64_t>::min(), |
| []{return I::slli(255, 63);}, "slli, erase"); |
| |
| // SRLI |
| expect<int64_t>(255, []{return I::srli(65280, 8);}, "srli, general"); |
| expect<int64_t>(0, []{return I::srli(255, 8);}, "srli, erase"); |
| expect<int64_t>(1, []{return I::srli(numeric_limits<int64_t>::min(), 63);}, |
| "srli, negative"); |
| |
| // SRAI |
| expect<int64_t>(255, []{return I::srai(65280, 8);}, "srai, general"); |
| expect<int64_t>(0, []{return I::srai(255, 8);}, "srai, erase"); |
| expect<int64_t>(-1, |
| []{return I::srai(numeric_limits<int64_t>::min(), 63);}, |
| "srai, negative"); |
| |
| // ADD |
| expect<int64_t>(1073742078, []{return I::add(0x3FFFFFFF, 255);}, "add"); |
| expect<int64_t>(-1, |
| []{return I::add(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000000LL);}, |
| "add, overflow"); |
| |
| // SUB |
| expect<int64_t>(65535, []{return I::sub(65536, 1);}, "sub"); |
| expect<int64_t>(-1, |
| []{return I::sub(0x7FFFFFFFFFFFFFFFLL, 0x8000000000000000LL);}, |
| "sub, \"overflow\""); |
| |
| // SLL |
| expect<int64_t>(65280, []{return I::sll(255, 8);}, "sll, general"); |
| expect<int64_t>(numeric_limits<int64_t>::min(), |
| []{return I::sll(255, 63);}, "sll, erase"); |
| |
| // SLT |
| expect<bool>(true, []{return I::slt(-1, 0);}, "slt, true"); |
| expect<bool>(false, []{return I::slt(0, -1);}, "slt, false"); |
| |
| // SLTU |
| expect<bool>(false, []{return I::sltu(-1, 0);}, "sltu, false"); |
| expect<bool>(true, []{return I::sltu(0, -1);}, "sltu, true"); |
| |
| // XOR |
| expect<uint64_t>(-1, |
| []{return I::xor_inst(0xAAAAAAAAAAAAAAAAULL, |
| 0x5555555555555555ULL);}, |
| "xor (1)"); |
| expect<uint64_t>(0, |
| []{return I::xor_inst(0xAAAAAAAAAAAAAAAAULL, |
| 0xAAAAAAAAAAAAAAAAULL);}, |
| "xor (0)"); |
| |
| // SRL |
| expect<uint64_t>(255, []{return I::srl(65280, 8);}, "srl, general"); |
| expect<uint64_t>(0, []{return I::srl(255, 8);}, "srl, erase"); |
| expect<uint64_t>(1, []{return I::srl(numeric_limits<int64_t>::min(), 63);}, |
| "srl, negative"); |
| |
| // SRA |
| expect<int64_t>(255, []{return I::sra(65280, 8);}, "sra, general"); |
| expect<int64_t>(0, []{return I::sra(255, 8);}, "sra, erase"); |
| expect<int64_t>(-1, []{return I::sra(numeric_limits<int64_t>::min(), 63);}, |
| "sra, negative"); |
| |
| // OR |
| expect<uint64_t>(-1, |
| []{return I::or_inst(0xAAAAAAAAAAAAAAAAULL, |
| 0x5555555555555555ULL);}, |
| "or (1)"); |
| expect<uint64_t>(0xAAAAAAAAAAAAAAAAULL, |
| []{return I::or_inst(0xAAAAAAAAAAAAAAAAULL, |
| 0xAAAAAAAAAAAAAAAAULL);}, |
| "or (A)"); |
| |
| // AND |
| expect<uint64_t>(0, []{return I::and_inst(-1, 0);}, "and (0)"); |
| expect<uint64_t>(0x1234567812345678ULL, |
| []{return I::and_inst(0x1234567812345678ULL, -1);}, "and (-1)"); |
| |
| // FENCE/FENCE.I |
| asm volatile("fence" : : ); |
| asm volatile("fence.i" : : ); |
| |
| // ECALL |
| char fname[] = "test.txt"; |
| char teststr[] = "this is a test"; |
| expect<bool>(true, [=]{ |
| int fd = open(fname, O_CREAT | O_WRONLY | O_TRUNC, 0644); |
| if (fd < 0) { |
| return false; |
| } |
| size_t n = write(fd, teststr, sizeof(teststr)); |
| cout << "Bytes written: " << n << endl; |
| return close(fd) >= 0 && n > 0; |
| }, "open, write"); |
| expect<int>(0, [=]{return access(fname, F_OK);}, "access F_OK"); |
| expect<int>(0, [=]{return access(fname, R_OK);}, "access R_OK"); |
| expect<int>(0, [=]{return access(fname, W_OK);}, "access W_OK"); |
| // gem5's implementation of access is incorrect; it should return |
| // -1 on failure, not -errno. Account for this using an inequality. |
| expect<bool>(true, [=]{return access(fname, X_OK) != 0;}, "access X_OK"); |
| expect<bool>(true, [=]{ |
| struct stat stat_buf, fstat_buf; |
| int s = stat(fname, &stat_buf); |
| if (s < 0) { |
| return false; |
| } else { |
| cout << "stat:" << endl; |
| cout << "\tst_dev =\t" << stat_buf.st_dev << endl; |
| cout << "\tst_ino =\t" << stat_buf.st_ino << endl; |
| cout << "\tst_mode =\t" << stat_buf.st_mode << endl; |
| cout << "\tst_nlink =\t" << stat_buf.st_nlink << endl; |
| cout << "\tst_uid =\t" << stat_buf.st_uid << endl; |
| cout << "\tst_gid =\t" << stat_buf.st_gid << endl; |
| cout << "\tst_rdev =\t" << stat_buf.st_rdev << endl; |
| cout << "\tst_size =\t" << stat_buf.st_size << endl; |
| cout << "\tst_blksize =\t" << stat_buf.st_blksize << endl; |
| cout << "\tst_blocks =\t" << stat_buf.st_blocks << endl; |
| } |
| int fd = open(fname, O_RDONLY); |
| if (fd < 0) { |
| return false; |
| } |
| int f = fstat(fd, &fstat_buf); |
| if (f >= 0) { |
| cout << "fstat:" << endl; |
| cout << "\tst_dev =\t" << fstat_buf.st_dev << endl; |
| cout << "\tst_ino =\t" << fstat_buf.st_ino << endl; |
| cout << "\tst_mode =\t" << fstat_buf.st_mode << endl; |
| cout << "\tst_nlink =\t" << fstat_buf.st_nlink << endl; |
| cout << "\tst_uid =\t" << fstat_buf.st_uid << endl; |
| cout << "\tst_gid =\t" << fstat_buf.st_gid << endl; |
| cout << "\tst_rdev =\t" << fstat_buf.st_rdev << endl; |
| cout << "\tst_size =\t" << fstat_buf.st_size << endl; |
| cout << "\tst_blksize =\t" << fstat_buf.st_blksize << endl; |
| cout << "\tst_blocks =\t" << fstat_buf.st_blocks << endl; |
| } |
| return close(fd) >= 0 && f >= 0; |
| }, "open, stat"); |
| expect<bool>(true, [=]{ |
| int fd = open(fname, O_RDONLY); |
| if (fd < 0) { |
| return false; |
| } |
| char in[128]; |
| size_t n = read(fd, in, sizeof(in)); |
| cout << "Bytes read: " << n << endl; |
| cout << "String read: " << in << endl; |
| int cl = close(fd); |
| int un = unlink(fname); |
| return n > 0 && cl >= 0 && un >= 0 && strcmp(teststr, in) == 0; |
| }, "open, read, unlink"); |
| expect<bool>(true, []{ |
| struct tms buf; |
| clock_t t = times(&buf); |
| cout << "times:" << endl; |
| cout << "\ttms_utime =\t" << buf.tms_utime << endl; |
| cout << "\ttms_stime =\t" << buf.tms_stime << endl; |
| cout << "\ttms_cutime =\t" << buf.tms_cutime << endl; |
| cout << "\ttms_cstime =\t" << buf.tms_cstime << endl; |
| return t > 0; |
| }, "times"); |
| expect<int>(0, []{ |
| struct timeval time; |
| int res = gettimeofday(&time, nullptr); |
| cout << "timeval:" << endl; |
| cout << "\ttv_sec =\t" << time.tv_sec << endl; |
| cout << "\ttv_usec =\t" << time.tv_usec << endl; |
| return res; |
| }, "gettimeofday"); |
| |
| // EBREAK not tested because it only makes sense in FS mode or when |
| // using gdb |
| |
| // ERET not tested because it only makes sense in FS mode and will cause |
| // a panic when used in SE mode |
| |
| // CSRs (RDCYCLE, RDTIME, RDINSTRET) |
| expect<bool>(true, []{ |
| uint64_t cycles = 0; |
| asm("rdcycle %0" : "=r" (cycles)); |
| cout << "Cycles: " << cycles << endl; |
| return cycles > 0; |
| }, "rdcycle"); |
| expect<bool>(true, []{ |
| uint64_t time = 0; |
| asm("rdtime %0" : "=r" (time)); |
| cout << "Time: " << time << endl; |
| return time > 0; |
| }, "rdtime"); |
| expect<bool>(true, []{ |
| uint64_t instret = 0; |
| asm("rdinstret %0" : "=r" (instret)); |
| cout << "Instructions Retired: " << instret << endl; |
| return instret > 0; |
| }, "rdinstret"); |
| |
| // 64-bit memory (LWU, LD, SD) |
| expect<int64_t>(0xFFFFFFFF, []{return I::load<uint32_t, uint64_t>(-1);}, |
| "lwu"); |
| expect<int64_t>(30064771072, |
| []{return I::load<int64_t, int64_t>(30064771072);}, "ld"); |
| expect<uint64_t>(-1, []{return I::store<int64_t>(-1);}, "sd"); |
| |
| // ADDIW |
| expect<int64_t>(268435710, []{return I::addiw(0x0FFFFFFF, 255);}, "addiw"); |
| expect<int64_t>(-2147481602, []{return I::addiw(0x7FFFFFFF, 0x7FF);}, |
| "addiw, overflow"); |
| expect<int64_t>(0, []{return I::addiw(0x7FFFFFFFFFFFFFFFLL, 1);}, |
| "addiw, truncate"); |
| |
| // SLLIW |
| expect<int64_t>(65280, []{return I::slliw(255, 8);}, "slliw, general"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::slliw(255, 31);}, "slliw, erase"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::slliw(0xFFFFFFFF00800000LL, 8);}, "slliw, truncate"); |
| |
| // SRLIW |
| expect<int64_t>(255, []{return I::srliw(65280, 8);}, "srliw, general"); |
| expect<int64_t>(0, []{return I::srliw(255, 8);}, "srliw, erase"); |
| expect<int64_t>(1, |
| []{return I::srliw(numeric_limits<int32_t>::min(), 31);}, |
| "srliw, negative"); |
| expect<int64_t>(1, []{return I::srliw(0xFFFFFFFF80000000LL, 31);}, |
| "srliw, truncate"); |
| |
| // SRAIW |
| expect<int64_t>(255, []{return I::sraiw(65280, 8);}, "sraiw, general"); |
| expect<int64_t>(0, []{return I::sraiw(255, 8);}, "sraiw, erase"); |
| expect<int64_t>(-1, |
| []{return I::sraiw(numeric_limits<int32_t>::min(), 31);}, |
| "sraiw, negative"); |
| expect<int64_t>(-1, []{return I::sraiw(0x0000000180000000LL, 31);}, |
| "sraiw, truncate"); |
| |
| // ADDW |
| expect<int64_t>(1073742078, []{return I::addw(0x3FFFFFFF, 255);}, "addw"); |
| expect<int64_t>(-1, []{return I::addw(0x7FFFFFFF, 0x80000000);}, |
| "addw, overflow"); |
| expect<int64_t>(65536, []{return I::addw(0xFFFFFFFF0000FFFFLL, 1);}, |
| "addw, truncate"); |
| |
| // SUBW |
| expect<int64_t>(65535, []{return I::subw(65536, 1);}, "subw"); |
| expect<int64_t>(-1, []{return I::subw(0x7FFFFFFF, 0x80000000);}, |
| "subw, \"overflow\""); |
| expect<int64_t>(0, |
| []{return I::subw(0xAAAAAAAAFFFFFFFFULL, 0x55555555FFFFFFFFULL);}, |
| "subw, truncate"); |
| |
| // SLLW |
| expect<int64_t>(65280, []{return I::sllw(255, 8);}, "sllw, general"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::sllw(255, 31);}, "sllw, erase"); |
| expect<int64_t>(numeric_limits<int32_t>::min(), |
| []{return I::sllw(0xFFFFFFFF00008000LL, 16);}, "sllw, truncate"); |
| |
| // SRLW |
| expect<uint64_t>(255, []{return I::srlw(65280, 8);}, "srlw, general"); |
| expect<uint64_t>(0, []{return I::srlw(255, 8);}, "srlw, erase"); |
| expect<uint64_t>(1, |
| []{return I::srlw(numeric_limits<int32_t>::min(), 31);}, |
| "srlw, negative"); |
| expect<uint64_t>(1, []{return I::srlw(0x0000000180000000LL, 31);}, |
| "srlw, truncate"); |
| |
| // SRAW |
| expect<int64_t>(255, []{return I::sraw(65280, 8);}, "sraw, general"); |
| expect<int64_t>(0, []{return I::sraw(255, 8);}, "sraw, erase"); |
| expect<int64_t>(-1, |
| []{return I::sraw(numeric_limits<int32_t>::min(), 31);}, |
| "sraw, negative"); |
| expect<int64_t>(1, []{return I::sraw(0xFFFFFFFF40000000LL, 30);}, |
| "sraw, truncate"); |
| |
| return 0; |
| } |
