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Added instruction enumeration and some cleanup

This commit is contained in:
Eyck Jentzsch 2017-12-31 11:27:51 +01:00
parent 873e4257f2
commit 9d40aa3aab
10 changed files with 653 additions and 651 deletions
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1
.gitignore vendored
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@ -30,3 +30,4 @@ language.settings.xml
/.gdbinit
/*.out
/dump.json
/etc/

2
dbt-core

@ -1 +1 @@
Subproject commit 4bfcd8a10e81d610d46b329841ae3ba7cbc0627a
Subproject commit 4eb39e8583e591b50c97051db7ac667c209459ab

1
riscv.sc/src/sc_main.cpp
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@ -70,7 +70,6 @@ int sc_main(int argc, char *argv[]) {
("elf,l", po::value<std::string>(), "ELF file to load")
("gdb-port,g", po::value<unsigned short>()->default_value(0), "enable gdb server and specify port to use")
("dump-ir", "dump the intermediate representation")
("cycles", po::value<int64_t>()->default_value(-1), "number of cycles to run")
("quantum", po::value<unsigned>(), "SystemC quantum time in ns")
("reset,r", po::value<std::string>(), "reset address")
("trace,t", po::value<unsigned>()->default_value(0), "enable tracing, or combintation of 1=signals and 2=TX text, 4=TX compressed text, 6=TX in SQLite")

7
riscv/incl/iss/arch/riscv_hart_msu_vp.h
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@ -811,17 +811,18 @@ template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::write_csr(unsigned
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_cycle(unsigned addr, reg_t &val) {
auto cycle_val=this->cycles ? this->cycles : this->reg.icount;
if (addr == mcycle) {
val = static_cast<reg_t>(this->reg.icount);
val = static_cast<reg_t>(cycle_val);
} else if (addr == mcycleh) {
if (sizeof(typename traits<BASE>::reg_t) != 4) return iss::Err;
val = static_cast<reg_t>((this->reg.icount) >> 32);
val = static_cast<reg_t>(cycle_val >> 32);
}
return iss::Ok;
}
template <typename BASE> iss::status riscv_hart_msu_vp<BASE>::read_time(unsigned addr, reg_t &val) {
uint64_t time_val=this->reg.icount>>12;
uint64_t time_val=(this->cycles?this->cycles:this->reg.icount) / (100000000/32768-1); //-> ~3052;
if (addr == time) {
val = static_cast<reg_t>(time_val);
} else if (addr == timeh) {

77
riscv/incl/iss/arch/rv32imac.h
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@ -28,7 +28,7 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Created on: Fri Dec 15 14:41:57 CET 2017
// Created on: Sat Dec 30 12:50:15 CET 2017
// * rv32imac.h Author: <CoreDSL Generator>
//
////////////////////////////////////////////////////////////////////////////////
@ -159,45 +159,48 @@ struct rv32imac: public arch_if {
protected:
struct RV32IMAC_regs {
uint32_t X0;
uint32_t X1;
uint32_t X2;
uint32_t X3;
uint32_t X4;
uint32_t X5;
uint32_t X6;
uint32_t X7;
uint32_t X8;
uint32_t X9;
uint32_t X10;
uint32_t X11;
uint32_t X12;
uint32_t X13;
uint32_t X14;
uint32_t X15;
uint32_t X16;
uint32_t X17;
uint32_t X18;
uint32_t X19;
uint32_t X20;
uint32_t X21;
uint32_t X22;
uint32_t X23;
uint32_t X24;
uint32_t X25;
uint32_t X26;
uint32_t X27;
uint32_t X28;
uint32_t X29;
uint32_t X30;
uint32_t X31;
uint32_t PC;
uint32_t NEXT_PC;
uint32_t trap_state, pending_trap, machine_state;
uint64_t icount;
uint32_t X0 = 0;
uint32_t X1 = 0;
uint32_t X2 = 0;
uint32_t X3 = 0;
uint32_t X4 = 0;
uint32_t X5 = 0;
uint32_t X6 = 0;
uint32_t X7 = 0;
uint32_t X8 = 0;
uint32_t X9 = 0;
uint32_t X10 = 0;
uint32_t X11 = 0;
uint32_t X12 = 0;
uint32_t X13 = 0;
uint32_t X14 = 0;
uint32_t X15 = 0;
uint32_t X16 = 0;
uint32_t X17 = 0;
uint32_t X18 = 0;
uint32_t X19 = 0;
uint32_t X20 = 0;
uint32_t X21 = 0;
uint32_t X22 = 0;
uint32_t X23 = 0;
uint32_t X24 = 0;
uint32_t X25 = 0;
uint32_t X26 = 0;
uint32_t X27 = 0;
uint32_t X28 = 0;
uint32_t X29 = 0;
uint32_t X30 = 0;
uint32_t X31 = 0;
uint32_t PC = 0;
uint32_t NEXT_PC = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0;
uint64_t icount = 0;
} reg;
address_type addr_mode[4];
uint64_t cycles = 0;
};
}

77
riscv/incl/iss/arch/rv64ia.h
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@ -28,7 +28,7 @@
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//
// Created on: Fri Dec 15 14:41:58 CET 2017
// Created on: Sat Dec 30 12:50:15 CET 2017
// * rv64ia.h Author: <CoreDSL Generator>
//
////////////////////////////////////////////////////////////////////////////////
@ -159,45 +159,48 @@ struct rv64ia: public arch_if {
protected:
struct RV64IA_regs {
uint64_t X0;
uint64_t X1;
uint64_t X2;
uint64_t X3;
uint64_t X4;
uint64_t X5;
uint64_t X6;
uint64_t X7;
uint64_t X8;
uint64_t X9;
uint64_t X10;
uint64_t X11;
uint64_t X12;
uint64_t X13;
uint64_t X14;
uint64_t X15;
uint64_t X16;
uint64_t X17;
uint64_t X18;
uint64_t X19;
uint64_t X20;
uint64_t X21;
uint64_t X22;
uint64_t X23;
uint64_t X24;
uint64_t X25;
uint64_t X26;
uint64_t X27;
uint64_t X28;
uint64_t X29;
uint64_t X30;
uint64_t X31;
uint64_t PC;
uint64_t NEXT_PC;
uint32_t trap_state, pending_trap, machine_state;
uint64_t icount;
uint64_t X0 = 0;
uint64_t X1 = 0;
uint64_t X2 = 0;
uint64_t X3 = 0;
uint64_t X4 = 0;
uint64_t X5 = 0;
uint64_t X6 = 0;
uint64_t X7 = 0;
uint64_t X8 = 0;
uint64_t X9 = 0;
uint64_t X10 = 0;
uint64_t X11 = 0;
uint64_t X12 = 0;
uint64_t X13 = 0;
uint64_t X14 = 0;
uint64_t X15 = 0;
uint64_t X16 = 0;
uint64_t X17 = 0;
uint64_t X18 = 0;
uint64_t X19 = 0;
uint64_t X20 = 0;
uint64_t X21 = 0;
uint64_t X22 = 0;
uint64_t X23 = 0;
uint64_t X24 = 0;
uint64_t X25 = 0;
uint64_t X26 = 0;
uint64_t X27 = 0;
uint64_t X28 = 0;
uint64_t X29 = 0;
uint64_t X30 = 0;
uint64_t X31 = 0;
uint64_t PC = 0;
uint64_t NEXT_PC = 0;
uint32_t trap_state = 0, pending_trap = 0, machine_state = 0;
uint64_t icount = 0;
} reg;
address_type addr_mode[4];
uint64_t cycles = 0;
};
}

7
riscv/src/internal/vm_riscv.in.cpp
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@ -186,17 +186,16 @@ private:
****************************************************************************/
std::tuple<vm::continuation_e, llvm::BasicBlock *> illegal_intruction(virt_addr_t &pc, code_word_t instr,
llvm::BasicBlock *bb) {
this->gen_sync(iss::PRE_SYNC);
this->gen_sync(iss::PRE_SYNC, sizeof(instr_descr)/sizeof(InstructionDesriptor));
this->builder.CreateStore(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), true),
get_reg_ptr(traits<ARCH>::PC), true);
this->builder.CreateStore(
this->builder.CreateAdd(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::ICOUNT), true),
this->gen_const(64U, 1)),
get_reg_ptr(traits<ARCH>::ICOUNT), true);
if (this->debugging_enabled()) this->gen_sync(iss::PRE_SYNC);
pc = pc + ((instr & 3) == 3 ? 4 : 2);
this->gen_raise_trap(0, 2); // illegal instruction trap
this->gen_sync(iss::POST_SYNC); /* call post-sync if needed */
this->gen_sync(iss::POST_SYNC, sizeof(instr_descr)/sizeof(InstructionDesriptor));
this->gen_trap_check(this->leave_blk);
return std::make_tuple(iss::vm::BRANCH, nullptr);
}
@ -227,8 +226,8 @@ std::tuple<vm::continuation_e, llvm::BasicBlock *>
vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt, llvm::BasicBlock *this_block) {
// we fetch at max 4 byte, alignment is 2
code_word_t insn = 0;
iss::addr_t paddr;
const typename traits<ARCH>::addr_t upper_bits = ~traits<ARCH>::PGMASK;
phys_addr_t paddr(pc);
try {
uint8_t *const data = (uint8_t *)&insn;
paddr = this->core.v2p(pc);

599
riscv/src/internal/vm_rv32imac.cpp
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File diff suppressed because it is too large Load Diff

523
riscv/src/internal/vm_rv64ia.cpp
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File diff suppressed because it is too large Load Diff

10
riscv/src/main.cpp
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@ -57,13 +57,11 @@ int main(int argc, char *argv[]) {
("verbose,v", po::value<int>()->implicit_value(0), "Sets logging verbosity")
("logfile,f", po::value<std::string>(), "Sets default log file.")
("disass,d", po::value<std::string>()->implicit_value(""), "Enables disassembly")
("elf", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("gdb-port,g", po::value<unsigned>()->default_value(0), "enable gdb server and specify port to use")
("input,i", po::value<std::string>(), "the elf file to load (instead of hex files)")
("dump-ir", "dump the intermediate representation")
("cycles,c", po::value<int64_t>()->default_value(-1), "number of cycles to run")
("time", po::value<int>(), "SystemC simulation time in ms")
("instructions,i", po::value<int64_t>()->default_value(-1), "max. number of instructions to simulate")
("reset,r", po::value<std::string>(), "reset address")
("dump-ir", "dump the intermediate representation")
("elf", po::value<std::vector<std::string>>(), "ELF file(s) to load")
("mem,m", po::value<std::string>(), "the memory input file")
("isa", po::value<std::string>()->default_value("rv32imac"), "isa to use for simulation");
// clang-format on
@ -137,7 +135,7 @@ int main(int argc, char *argv[]) {
vm->reset();
}
int64_t cycles = -1;
cycles = clim["cycles"].as<int64_t>();
cycles = clim["instructions"].as<int64_t>();
return vm->start(cycles, dump);
} catch (std::exception &e) {
LOG(ERROR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"