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Restructured DBT function to encapsulate the compilation process

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This should enable the implementation of multi-threading of the
compilation process
This commit is contained in:
Eyck Jentzsch
2017-12-15 14:13:22 +01:00
parent b4871ac725
commit 873e4257f2
17 changed files with 2317 additions and 2347 deletions
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3
riscv/src/CMakeLists.txt
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@@ -16,7 +16,8 @@ set(APP_SOURCES main.cpp)
set(LIBRARY_NAME risc-v)
# Define the library
add_library(${LIBRARY_NAME} SHARED ${LIB_SOURCES})
#add_library(${LIBRARY_NAME} SHARED ${LIB_SOURCES})
add_library(${LIBRARY_NAME} ${LIB_SOURCES})
SET(${LIBRARY_NAME} -Wl,-whole-archive -l${LIBRARY_NAME} -Wl,-no-whole-archive)
set_target_properties(${LIBRARY_NAME} PROPERTIES
VERSION ${VERSION} # ${VERSION} was defined in the main CMakeLists.

68
riscv/src/internal/vm_riscv.in.cpp
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@@ -62,7 +62,7 @@ public:
vm_impl();
vm_impl(ARCH &core, bool dump = false);
vm_impl(ARCH &core, unsigned core_id = 0, unsigned cluster_id = 0);
void enableDebug(bool enable) { super::sync_exec = super::ALL_SYNC; }
@@ -102,13 +102,13 @@ protected:
inline llvm::Value *gen_reg_load(unsigned i, unsigned level = 0) {
return this->builder->CreateLoad(get_reg_ptr(i), false);
return this->builder.CreateLoad(get_reg_ptr(i), false);
}
inline void gen_set_pc(virt_addr_t pc, unsigned reg_num) {
llvm::Value *next_pc_v = this->builder->CreateSExtOrTrunc(this->gen_const(traits<ARCH>::XLEN, pc.val),
llvm::Value *next_pc_v = this->builder.CreateSExtOrTrunc(this->gen_const(traits<ARCH>::XLEN, pc.val),
this->get_type(traits<ARCH>::XLEN));
this->builder->CreateStore(next_pc_v, get_reg_ptr(reg_num), true);
this->builder.CreateStore(next_pc_v, get_reg_ptr(reg_num), true);
}
// some compile time constants
@@ -186,30 +186,11 @@ private:
****************************************************************************/
std::tuple<vm::continuation_e, llvm::BasicBlock *> illegal_intruction(virt_addr_t &pc, code_word_t instr,
llvm::BasicBlock *bb) {
bb->setName("illegal_instruction");
// this->gen_sync(iss::PRE_SYNC);
// if(this->disass_enabled){
// /* generate console output when executing the command */
// boost::format ins_fmter("DB x%1$d");
// ins_fmter % (uint64_t)instr;
// std::vector<llvm::Value*> args {
// this->core_ptr,
// this->gen_const(64, pc.val),
// this->builder->CreateGlobalStringPtr(ins_fmter.str()),
// };
// this->builder->CreateCall(this->mod->getFunction("print_disass"), args);
// }
// 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_trap_check(this->leave_blk);
// return std::make_tuple(iss::vm::BRANCH, nullptr);
// this->gen_sync(iss::PRE_SYNC);
this->builder->CreateStore(this->builder->CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), true),
this->gen_sync(iss::PRE_SYNC);
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->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);
@@ -229,8 +210,8 @@ template <typename CODE_WORD> void debug_fn(CODE_WORD insn) {
template <typename ARCH> vm_impl<ARCH>::vm_impl() { this(new ARCH()); }
template <typename ARCH>
vm_impl<ARCH>::vm_impl(ARCH &core, bool dump)
: vm::vm_base<ARCH>(core, dump) {
vm_impl<ARCH>::vm_impl(ARCH &core, unsigned core_id, unsigned cluster_id)
: vm::vm_base<ARCH>(core, core_id, cluster_id) {
qlut[0] = lut_00.data();
qlut[1] = lut_01.data();
qlut[2] = lut_10.data();
@@ -239,7 +220,6 @@ vm_impl<ARCH>::vm_impl(ARCH &core, bool dump)
auto quantrant = instr.value & 0x3;
expand_bit_mask(29, lutmasks[quantrant], instr.value >> 2, instr.mask >> 2, 0, qlut[quantrant], instr.op);
}
this->sync_exec = static_cast<sync_type>(this->sync_exec | core.needed_sync());
}
template <typename ARCH>
@@ -278,44 +258,44 @@ vm_impl<ARCH>::gen_single_inst_behavior(virt_addr_t &pc, unsigned int &inst_cnt,
}
template <typename ARCH> void vm_impl<ARCH>::gen_leave_behavior(llvm::BasicBlock *leave_blk) {
this->builder->SetInsertPoint(leave_blk);
this->builder->CreateRet(this->builder->CreateLoad(get_reg_ptr(arch::traits<ARCH>::NEXT_PC), false));
this->builder.SetInsertPoint(leave_blk);
this->builder.CreateRet(this->builder.CreateLoad(get_reg_ptr(arch::traits<ARCH>::NEXT_PC), false));
}
template <typename ARCH> void vm_impl<ARCH>::gen_raise_trap(uint16_t trap_id, uint16_t cause) {
auto *TRAP_val = this->gen_const(32, 0x80 << 24 | (cause << 16) | trap_id);
this->builder->CreateStore(TRAP_val, get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
this->builder.CreateStore(TRAP_val, get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
}
template <typename ARCH> void vm_impl<ARCH>::gen_leave_trap(unsigned lvl) {
std::vector<llvm::Value *> args{
this->core_ptr, llvm::ConstantInt::get(getContext(), llvm::APInt(64, lvl)),
};
this->builder->CreateCall(this->mod->getFunction("leave_trap"), args);
this->builder.CreateCall(this->mod->getFunction("leave_trap"), args);
auto *PC_val = this->gen_read_mem(traits<ARCH>::CSR, (lvl << 8) + 0x41, traits<ARCH>::XLEN / 8);
this->builder->CreateStore(PC_val, get_reg_ptr(traits<ARCH>::NEXT_PC), false);
this->builder.CreateStore(PC_val, get_reg_ptr(traits<ARCH>::NEXT_PC), false);
}
template <typename ARCH> void vm_impl<ARCH>::gen_wait(unsigned type) {
std::vector<llvm::Value *> args{
this->core_ptr, llvm::ConstantInt::get(getContext(), llvm::APInt(64, type)),
};
this->builder->CreateCall(this->mod->getFunction("wait"), args);
this->builder.CreateCall(this->mod->getFunction("wait"), args);
}
template <typename ARCH> void vm_impl<ARCH>::gen_trap_behavior(llvm::BasicBlock *trap_blk) {
this->builder->SetInsertPoint(trap_blk);
auto *trap_state_val = this->builder->CreateLoad(get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
this->builder.SetInsertPoint(trap_blk);
auto *trap_state_val = this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::TRAP_STATE), true);
std::vector<llvm::Value *> args{this->core_ptr, this->adj_to64(trap_state_val),
this->adj_to64(this->builder->CreateLoad(get_reg_ptr(traits<ARCH>::PC), false))};
this->builder->CreateCall(this->mod->getFunction("enter_trap"), args);
auto *trap_addr_val = this->builder->CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), false);
this->builder->CreateRet(trap_addr_val);
this->adj_to64(this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::PC), false))};
this->builder.CreateCall(this->mod->getFunction("enter_trap"), args);
auto *trap_addr_val = this->builder.CreateLoad(get_reg_ptr(traits<ARCH>::NEXT_PC), false);
this->builder.CreateRet(trap_addr_val);
}
template <typename ARCH> inline void vm_impl<ARCH>::gen_trap_check(llvm::BasicBlock *bb) {
auto *v = this->builder->CreateLoad(get_reg_ptr(arch::traits<ARCH>::TRAP_STATE), true);
this->gen_cond_branch(this->builder->CreateICmp(
auto *v = this->builder.CreateLoad(get_reg_ptr(arch::traits<ARCH>::TRAP_STATE), true);
this->gen_cond_branch(this->builder.CreateICmp(
ICmpInst::ICMP_EQ, v,
llvm::ConstantInt::get(getContext(), llvm::APInt(v->getType()->getIntegerBitWidth(), 0))),
bb, this->trap_blk, 1);

1001
riscv/src/internal/vm_rv32imac.cpp
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File diff suppressed because it is too large Load Diff

3335
riscv/src/internal/vm_rv64ia.cpp
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File diff suppressed because it is too large Load Diff

2
riscv/src/iss/rv32imac.cpp
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@@ -67,6 +67,6 @@ void rv32imac::reset(uint64_t address) {
uint8_t *rv32imac::get_regs_base_ptr() { return reinterpret_cast<uint8_t *>(&reg); }
rv32imac::phys_addr_t rv32imac::v2p(const iss::addr_t &pc) {
rv32imac::phys_addr_t rv32imac::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}

2
riscv/src/iss/rv64ia.cpp
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@@ -67,6 +67,6 @@ void rv64ia::reset(uint64_t address) {
uint8_t *rv64ia::get_regs_base_ptr() { return reinterpret_cast<uint8_t *>(&reg); }
rv64ia::phys_addr_t rv64ia::v2p(const iss::addr_t &pc) {
rv64ia::phys_addr_t rv64ia::virt2phys(const iss::addr_t &pc) {
return phys_addr_t(pc); // change logical address to physical address
}

22
riscv/src/main.cpp
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@@ -54,7 +54,7 @@ int main(int argc, char *argv[]) {
// clang-format off
desc.add_options()
("help,h", "Print help message")
("loglevel,l", po::value<int>()->implicit_value(2), "Sets logging verbosity")
("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")
@@ -62,10 +62,8 @@ int main(int argc, char *argv[]) {
("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")
("systemc,s", "Run as SystemC simulation")
("time", po::value<int>(), "SystemC simulation time in ms")
("reset,r", po::value<std::string>(), "reset address")
("trace", po::value<uint8_t>(), "enable tracing, or cmbintation of 1=signals and 2=TX text, 4=TX compressed text, 6=TX in SQLite")
("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
@@ -86,8 +84,8 @@ int main(int argc, char *argv[]) {
}
std::vector<std::string> args = collect_unrecognized(parsed.options, po::include_positional);
if (clim.count("loglevel")) {
auto l = logging::as_log_level(clim["loglevel"].as<int>());
if (clim.count("verbose")) {
auto l = logging::as_log_level(clim["verbose"].as<int>());
LOGGER(DEFAULT)::reporting_level() = l;
LOGGER(connection)::reporting_level() = l;
}
@@ -104,18 +102,20 @@ int main(int argc, char *argv[]) {
bool dump = clim.count("dump-ir");
// instantiate the simulator
std::unique_ptr<iss::vm_if> vm{nullptr};
if (clim["isa"].as<std::string>().substr(0, 4)=="rv64") {
std::string isa_opt(clim["isa"].as<std::string>());
if (isa_opt.substr(0, 4)=="rv64") {
iss::arch::rv64ia* cpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv64ia>();
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>(), dump);
} else if (clim["isa"].as<std::string>().substr(0, 4)=="rv32") {
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>());
} else if (isa_opt.substr(0, 4)=="rv32") {
iss::arch::rv32imac* cpu = new iss::arch::riscv_hart_msu_vp<iss::arch::rv32imac>();
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>(), dump);
vm = iss::create(cpu, clim["gdb-port"].as<unsigned>());
} else {
LOG(ERROR) << "Illegal argument value for '--isa': " << clim["isa"].as<std::string>() << std::endl;
return 127;
}
if (clim.count("elf"))
for (std::string input : clim["elf"].as<std::vector<std::string>>()) vm->get_arch()->load_file(input);
for (std::string input : clim["elf"].as<std::vector<std::string>>())
vm->get_arch()->load_file(input);
if (clim.count("mem"))
vm->get_arch()->load_file(clim["mem"].as<std::string>(), iss::arch::traits<iss::arch::rv32imac>::MEM);
for (std::string input : args) vm->get_arch()->load_file(input);// treat remaining arguments as elf files
@@ -138,7 +138,7 @@ int main(int argc, char *argv[]) {
}
int64_t cycles = -1;
cycles = clim["cycles"].as<int64_t>();
return vm->start(cycles);
return vm->start(cycles, dump);
} catch (std::exception &e) {
LOG(ERROR) << "Unhandled Exception reached the top of main: " << e.what() << ", application will now exit"
<< std::endl;