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adding semhosting

This commit is contained in:
gabriel 2024-05-31 07:27:47 +02:00
parent 119d4a8b43
commit ed793471bb
14 changed files with 4335 additions and 37 deletions
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6
src/iss/arch/riscv_hart_m_p.h
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@ -292,7 +292,7 @@ public:
void set_irq_num(unsigned i) { mcause_max_irq = 1 << util::ilog2(i); }
void set_semihosting_callback(std::function<void(arch_if*, reg_t, reg_t)>& cb) { semihosting_cb = cb; };
void set_semihosting_callback(semihosting_cb_t<reg_t> cb) { semihosting_cb = cb; };
protected:
struct riscv_instrumentation_if : public iss::instrumentation_if {
@ -351,7 +351,7 @@ protected:
bool tohost_lower_written = false;
riscv_instrumentation_if instr_if;
std::function<void(arch_if*, reg_t, reg_t)> semihosting_cb;
semihosting_cb_t<reg_t> semihosting_cb;
using mem_type = util::sparse_array<uint8_t, 1ULL << 32>;
using csr_type = util::sparse_array<typename traits<BASE>::reg_t, 1ULL << 12, 12>;
@ -1283,7 +1283,7 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_m_p<BASE, FEAT>::e
#endif
CLOG(INFO, disass) << "Semihosting call at address " << buffer.data() << " occurred ";
semihosting_callback(this, this->reg.X10 /*a0*/, this->reg.X11 /*a1*/);
semihosting_cb(this, &(this->reg.X10) /*a0*/, &(this->reg.X11) /*a1*/);
return this->reg.NEXT_PC;
}
}

6
src/iss/arch/riscv_hart_mu_p.h
View File

@ -319,7 +319,7 @@ public:
void set_irq_num(unsigned i) { mcause_max_irq = 1 << util::ilog2(i); }
void set_semihosting_callback(std::function<void(arch_if*, reg_t, reg_t)>& cb) { semihosting_cb = cb; };
void set_semihosting_callback(semihosting_cb_t<reg_t> cb) { semihosting_cb = cb; };
protected:
struct riscv_instrumentation_if : public iss::instrumentation_if {
@ -378,7 +378,7 @@ protected:
bool tohost_lower_written = false;
riscv_instrumentation_if instr_if;
std::function<void(arch_if*, reg_t, reg_t)> semihosting_cb;
semihosting_cb_t<reg_t> semihosting_cb;
using mem_type = util::sparse_array<uint8_t, 1ULL << 32>;
using csr_type = util::sparse_array<typename traits<BASE>::reg_t, 1ULL << 12, 12>;
@ -1505,7 +1505,7 @@ template <typename BASE, features_e FEAT> uint64_t riscv_hart_mu_p<BASE, FEAT>::
#endif
CLOG(INFO, disass) << "Semihosting call at address " << buffer.data() << " occurred ";
semihosting_callback(this, this->reg.X10 /*a0*/, this->reg.X11 /*a1*/);
semihosting_cb(this, &(this->reg.X10) /*a0*/, &(this->reg.X11) /*a1*/);
return this->reg.NEXT_PC;
}
}

210
src/iss/semihosting/semihosting.cpp
View File

@ -1,16 +1,61 @@
#include "semihosting.h"
#include <cstdint>
#include <map>
#include <iss/vm_types.h>
#include <stdexcept>
#include <chrono>
// explanation of syscalls can be found at https://github.com/SpinalHDL/openocd_riscv/blob/riscv_spinal/src/target/semihosting_common.h
template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T call_number, T parameter) {
switch(static_cast<semihosting_syscalls>(call_number)) {
const char *SYS_OPEN_MODES_STRS[] = { "r", "rb", "r+", "r+b", "w", "wb", "w+", "w+b", "a", "ab", "a+", "a+b" };
template <typename T> T sh_read_field(iss::arch_if* arch_if_ptr, T addr, int len=4) {
uint8_t bytes[4];
auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, addr, 4, &bytes[0]);
//auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, *parameter, 1, &character);
if(res != iss::Ok){
return 0; //TODO THROW ERROR
} else return static_cast<T>(bytes[0]) | (static_cast<T>(bytes[1]) << 8) | (static_cast<T>(bytes[2]) << 16) | (static_cast<T>(bytes[3]) << 24);
}
template <typename T> std::string sh_read_string(iss::arch_if* arch_if_ptr, T addr, T str_len){
std::vector<uint8_t> buffer(str_len);
for (int i = 0; i < str_len; i++ ) {
buffer[i] = sh_read_field(arch_if_ptr, addr + i, 1);
}
std::string str(buffer.begin(), buffer.end());
return str;
}
template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arch_if_ptr, T* call_number, T* parameter) {
static std::map<T, FILE *> openFiles;
static T file_count = 3;
static T semihostingErrno;
switch(static_cast<semihosting_syscalls>(*call_number)) {
case semihosting_syscalls::SYS_CLOCK: {
throw std::runtime_error("Semihosting Call not Implemented");
auto end = std::chrono::high_resolution_clock::now(); // end measurement
auto elapsed = end - timeVar;
auto millis = std::chrono::duration_cast<std::chrono::milliseconds>(elapsed).count();
*call_number = millis; //TODO get time now
break;
}
case semihosting_syscalls::SYS_CLOSE: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = *parameter;
if (openFiles.size() <= file_handle && file_handle < 0) {
semihostingErrno = EBADF;
return;
}
auto file = openFiles[file_handle];
openFiles.erase(file_handle);
if (!(file == stdin || file == stdout || file == stderr)) {
int i = fclose(file);
*call_number = i;
} else {
*call_number = -1;
semihostingErrno = EINTR;
}
break;
}
case semihosting_syscalls::SYS_ELAPSED: {
@ -18,7 +63,7 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
break;
}
case semihosting_syscalls::SYS_ERRNO: {
throw std::runtime_error("Semihosting Call not Implemented");
*call_number = semihostingErrno;
break;
}
case semihosting_syscalls::SYS_EXIT: {
@ -31,7 +76,15 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
break;
}
case semihosting_syscalls::SYS_FLEN: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = *parameter;
auto file = openFiles[file_handle];
size_t currentPos = ftell(file);
if (currentPos < 0) throw std::runtime_error("SYS_FLEN negative value");
fseek(file, 0, SEEK_END);
size_t length = ftell(file);
fseek(file, currentPos, SEEK_SET);
*call_number = (T)length;
break;
}
case semihosting_syscalls::SYS_GET_CMDLINE: {
@ -43,39 +96,127 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
break;
}
case semihosting_syscalls::SYS_ISERROR: {
throw std::runtime_error("Semihosting Call not Implemented");
T value = *parameter;
*call_number = (value != 0);
break;
}
case semihosting_syscalls::SYS_ISTTY: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = *parameter;
*call_number = (file_handle == 0 || file_handle == 1 || file_handle == 2);
break;
}
case semihosting_syscalls::SYS_OPEN: {
throw std::runtime_error("Semihosting Call not Implemented");
T path_str_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T mode = sh_read_field<T>(arch_if_ptr, 4+(*parameter));
T path_len = sh_read_field<T>(arch_if_ptr, 8+(*parameter));
std::string path_str = sh_read_string<T>(arch_if_ptr, path_str_addr, path_len);
//TODO LOG INFO
if (mode >= 12) {
//TODO throw ERROR
return;
}
FILE *file = nullptr;
if(path_str == ":tt") {
if (mode < 4)
file = stdin;
else if (mode < 8)
file = stdout;
else
file = stderr;
} else {
file = fopen(path_str.c_str(), SYS_OPEN_MODES_STRS[mode]);
if (file == nullptr) {
//TODO throw error
return;
}
}
T file_handle = file_count++;
openFiles[file_handle] = file;
*call_number = file_handle;
break;
}
case semihosting_syscalls::SYS_READ: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
T addr = sh_read_field<T>(arch_if_ptr, *parameter);
T count = sh_read_field<T>(arch_if_ptr, (*parameter)+8);
auto file = openFiles[file_handle];
std::vector<uint8_t> buffer(count);
size_t num_read = 0;
if (file == stdin)
{
// when reading from stdin: mimic behaviour from read syscall
// and return on newline.
while (num_read < count)
{
char c = fgetc(file);
buffer[num_read] = c;
num_read++;
if (c == '\n')
break;
}
} else {
num_read = fread(buffer.data(), 1, count, file);
}
buffer.resize(num_read);
for(int i = 0; i<num_read; i++) {
auto res = arch_if_ptr->write(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, addr+i, 1, &buffer[i]);
if(res != iss::Ok)
return;
}
*call_number = count - num_read;
break;
}
case semihosting_syscalls::SYS_READC: {
throw std::runtime_error("Semihosting Call not Implemented");
uint8_t character = getchar();
//character = getchar();
/*if(character != iss::Ok)
std::cout << "Not OK";
return;*/
*call_number = character;
break;
}
case semihosting_syscalls::SYS_REMOVE: {
throw std::runtime_error("Semihosting Call not Implemented");
T path_str_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T path_len = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
std::string path_str = sh_read_string<T>(arch_if_ptr, path_str_addr, path_len);
if(remove(path_str.c_str())<0) *call_number = -1;
break;
}
case semihosting_syscalls::SYS_RENAME: {
throw std::runtime_error("Semihosting Call not Implemented");
T path_str_addr_old = sh_read_field<T>(arch_if_ptr, *parameter);
T path_len_old = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
T path_str_addr_new = sh_read_field<T>(arch_if_ptr, (*parameter)+8);
T path_len_new = sh_read_field<T>(arch_if_ptr, (*parameter)+12);
std::string path_str_old = sh_read_string<T>(arch_if_ptr, path_str_addr_old, path_len_old);
std::string path_str_new = sh_read_string<T>(arch_if_ptr, path_str_addr_new, path_len_new);
rename(path_str_old.c_str(), path_str_new.c_str());
break;
}
case semihosting_syscalls::SYS_SEEK: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = sh_read_field<T>(arch_if_ptr, *parameter);
T pos = sh_read_field<T>(arch_if_ptr, (*parameter)+1);
auto file = openFiles[file_handle];
int retval = fseek(file, pos, SEEK_SET);
if(retval<0) throw std::runtime_error("SYS_SEEK negative return value");
break;
}
case semihosting_syscalls::SYS_SYSTEM: {
throw std::runtime_error("Semihosting Call not Implemented");
T cmd_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T cmd_len = sh_read_field<T>(arch_if_ptr, (*parameter)+1);
std::string cmd = sh_read_string<T>(arch_if_ptr, cmd_addr, cmd_len);
system(cmd.c_str());
break;
}
case semihosting_syscalls::SYS_TICKFREQ: {
@ -83,20 +224,43 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
break;
}
case semihosting_syscalls::SYS_TIME: {
throw std::runtime_error("Semihosting Call not Implemented");
//returns time in seconds scince 01.01.1970 00:00
*call_number = time(NULL);
break;
}
case semihosting_syscalls::SYS_TMPNAM: {
throw std::runtime_error("Semihosting Call not Implemented");
T buffer_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T identifier = sh_read_field<T>(arch_if_ptr, (*parameter)+1);
T buffer_len = sh_read_field<T>(arch_if_ptr, (*parameter)+2);
if (identifier > 255) {
*call_number = -1;
return;
}
std::stringstream ss;
ss << "tmp/file-" << std::setfill('0') << std::setw(3) << identifier;
std::string filename = ss.str();
for(int i = 0; i < buffer_len; i++) {
uint8_t character = filename[i];
auto res = arch_if_ptr->write(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, (*parameter)+i, 1, &character);
if(res != iss::Ok) return;
}
break;
}
case semihosting_syscalls::SYS_WRITE: {
throw std::runtime_error("Semihosting Call not Implemented");
T file_handle = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
T addr = sh_read_field<T>(arch_if_ptr, *parameter);
T count = sh_read_field<T>(arch_if_ptr, (*parameter)+8);
auto file = openFiles[file_handle];
std::string str = sh_read_string<T>(arch_if_ptr, addr, count);
fwrite(&str[0], 1, count, file);
break;
}
case semihosting_syscalls::SYS_WRITEC: {
uint8_t character;
auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, parameter, 1, &character);
auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, *parameter, 1, &character);
if(res != iss::Ok)
return;
putchar(character);
@ -105,13 +269,13 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
case semihosting_syscalls::SYS_WRITE0: {
uint8_t character;
while(1) {
auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, parameter, 1, &character);
auto res = arch_if_ptr->read(iss::address_type::PHYSICAL, iss::access_type::DEBUG_READ, 0, *parameter, 1, &character);
if(res != iss::Ok)
return;
if(character == 0)
break;
putchar(character);
parameter++;
(*parameter)++;
}
break;
}
@ -128,5 +292,5 @@ template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T cal
break;
}
}
template void semihosting_callback<uint32_t>(iss::arch_if* arch_if_ptr, uint32_t call_number, uint32_t parameter);
template void semihosting_callback<uint64_t>(iss::arch_if* arch_if_ptr, uint64_t call_number, uint64_t parameter);
template class semihosting_callback<uint32_t>;
template class semihosting_callback<uint64_t>;

9
src/iss/semihosting/semihosting.h
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@ -1,6 +1,8 @@
#ifndef _SEMIHOSTING_H_
#define _SEMIHOSTING_H_
#include <iss/arch_if.h>
#include <functional>
#include <chrono>
/*
* According to:
* "Semihosting for AArch32 and AArch64, Release 2.0"
@ -48,6 +50,11 @@ enum class semihosting_syscalls {
USER_CMD_0x1FF = 0x1FF,
};
template <typename T> void semihosting_callback(iss::arch_if* arch_if_ptr, T call_number, T parameter);
template <typename T> struct semihosting_callback{
std::chrono::high_resolution_clock::time_point timeVar;
semihosting_callback(): timeVar(std::chrono::high_resolution_clock::now()) {}
void operator()(iss::arch_if* arch_if_ptr, T* call_number, T* parameter);
};
template <typename T> using semihosting_cb_t = std::function<void(iss::arch_if*, T*, T*)>;
#endif

3
src/main.cpp
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@ -117,7 +117,8 @@ int main(int argc, char* argv[]) {
// instantiate the simulator
iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr};
std::function<void(iss::arch_if*, uint32_t, uint32_t)> semihosting_cb = &semihosting_callback<uint32_t>;
semihosting_callback<uint32_t> cb{};
semihosting_cb_t<uint32_t> semihosting_cb = [&cb](iss::arch_if* i, uint32_t* a0, uint32_t* a1) {cb(i,a0,a1);};
std::string isa_opt(clim["isa"].as<std::string>());
if(isa_opt.size() == 0 || isa_opt == "?") {
auto list = f.get_names();

4
src/vm/asmjit/vm_tgc5c.cpp
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@ -3757,7 +3757,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new asmjit::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};
@ -3767,7 +3767,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new asmjit::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};

4
src/vm/interp/vm_tgc5c.cpp
View File

@ -2700,7 +2700,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new interp::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};
@ -2710,7 +2710,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new interp::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};

4
src/vm/tcc/vm_tgc5c.cpp
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@ -3654,7 +3654,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new tcc::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};
@ -3664,7 +3664,7 @@ volatile std::array<bool, 2> dummy = {
auto vm = new tcc::tgc5c::vm_impl<arch::tgc5c>(*cpu, false);
if (port != 0) debugger::server<debugger::gdb_session>::run_server(vm, port);
if(init_data){
auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t, arch::traits<arch::tgc5c>::reg_t)>*>(init_data);
auto* cb = reinterpret_cast<semihosting_cb_t<arch::traits<arch::tgc5c>::reg_t>*>(init_data);
cpu->set_semihosting_callback(*cb);
}
return {cpu_ptr{cpu}, vm_ptr{vm}};

70
src_test/iss/arch/tgc5a.cpp Normal file
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@ -0,0 +1,70 @@
/*******************************************************************************
* Copyright (C) 2017 - 2020 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*
*******************************************************************************/
// clang-format off
#include "tgc5a.h"
#include "util/ities.h"
#include <util/logging.h>
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace iss::arch;
constexpr std::array<const char*, 20> iss::arch::traits<iss::arch::tgc5a>::reg_names;
constexpr std::array<const char*, 20> iss::arch::traits<iss::arch::tgc5a>::reg_aliases;
constexpr std::array<const uint32_t, 27> iss::arch::traits<iss::arch::tgc5a>::reg_bit_widths;
constexpr std::array<const uint32_t, 27> iss::arch::traits<iss::arch::tgc5a>::reg_byte_offsets;
tgc5a::tgc5a() = default;
tgc5a::~tgc5a() = default;
void tgc5a::reset(uint64_t address) {
auto base_ptr = reinterpret_cast<traits<tgc5a>::reg_t*>(get_regs_base_ptr());
for(size_t i=0; i<traits<tgc5a>::NUM_REGS; ++i)
*(base_ptr+i)=0;
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.PRIV=0x3;
reg.trap_state=0;
reg.icount=0;
}
uint8_t *tgc5a::get_regs_base_ptr() {
return reinterpret_cast<uint8_t*>(&reg);
}
tgc5a::phys_addr_t tgc5a::virt2phys(const iss::addr_t &addr) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<tgc5a>::addr_mask);
}
// clang-format on

209
src_test/iss/arch/tgc5a.h Normal file
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@ -0,0 +1,209 @@
/*******************************************************************************
* Copyright (C) 2017 - 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*
*******************************************************************************/
#ifndef _TGC5A_H_
#define _TGC5A_H_
// clang-format off
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct tgc5a;
template <> struct traits<tgc5a> {
constexpr static char const* const core_type = "TGC5A";
static constexpr std::array<const char*, 20> reg_names{
{"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "pc", "next_pc", "priv", "dpc"}};
static constexpr std::array<const char*, 20> reg_aliases{
{"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "pc", "next_pc", "priv", "dpc"}};
enum constants {MISA_VAL=1073741840ULL, MARCHID_VAL=2147483649ULL, CLIC_NUM_IRQ=0ULL, XLEN=32ULL, INSTR_ALIGNMENT=4ULL, RFS=16ULL, fence=0ULL, fencei=1ULL, fencevmal=2ULL, fencevmau=3ULL, CSR_SIZE=4096ULL};
constexpr static unsigned FP_REGS_SIZE = 0;
enum reg_e {
X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, PC, NEXT_PC, PRIV, DPC, NUM_REGS, TRAP_STATE=NUM_REGS, PENDING_TRAP, ICOUNT, CYCLE, INSTRET, INSTRUCTION, LAST_BRANCH
};
using reg_t = uint32_t;
using addr_t = uint32_t;
using code_word_t = uint32_t; //TODO: check removal
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, 27> reg_bit_widths{
{32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,8,32,32,32,64,64,64,32,32}};
static constexpr std::array<const uint32_t, 27> reg_byte_offsets{
{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,73,77,81,85,93,101,109,113}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { MEM, FENCE, RES, CSR };
enum class opcode_e {
LUI = 0,
AUIPC = 1,
JAL = 2,
JALR = 3,
BEQ = 4,
BNE = 5,
BLT = 6,
BGE = 7,
BLTU = 8,
BGEU = 9,
LB = 10,
LH = 11,
LW = 12,
LBU = 13,
LHU = 14,
SB = 15,
SH = 16,
SW = 17,
ADDI = 18,
SLTI = 19,
SLTIU = 20,
XORI = 21,
ORI = 22,
ANDI = 23,
SLLI = 24,
SRLI = 25,
SRAI = 26,
ADD = 27,
SUB = 28,
SLL = 29,
SLT = 30,
SLTU = 31,
XOR = 32,
SRL = 33,
SRA = 34,
OR = 35,
AND = 36,
FENCE = 37,
ECALL = 38,
EBREAK = 39,
MRET = 40,
WFI = 41,
CSRRW = 42,
CSRRS = 43,
CSRRC = 44,
CSRRWI = 45,
CSRRSI = 46,
CSRRCI = 47,
FENCE_I = 48,
MAX_OPCODE
};
};
struct tgc5a: public arch_if {
using virt_addr_t = typename traits<tgc5a>::virt_addr_t;
using phys_addr_t = typename traits<tgc5a>::phys_addr_t;
using reg_t = typename traits<tgc5a>::reg_t;
using addr_t = typename traits<tgc5a>::addr_t;
tgc5a();
~tgc5a();
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;
inline uint64_t get_icount() { return reg.icount; }
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
virtual phys_addr_t virt2phys(const iss::addr_t& addr);
virtual iss::sync_type needed_sync() const { return iss::NO_SYNC; }
inline uint32_t get_last_branch() { return reg.last_branch; }
#pragma pack(push, 1)
struct TGC5A_regs {
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 PC = 0;
uint32_t NEXT_PC = 0;
uint8_t PRIV = 0;
uint32_t DPC = 0;
uint32_t trap_state = 0, pending_trap = 0;
uint64_t icount = 0;
uint64_t cycle = 0;
uint64_t instret = 0;
uint32_t instruction = 0;
uint32_t last_branch = 0;
} reg;
#pragma pack(pop)
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
};
}
}
#endif /* _TGC5A_H_ */
// clang-format on

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/*******************************************************************************
* Copyright (C) 2017 - 2020 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*
*******************************************************************************/
// clang-format off
#include "tgc5b.h"
#include "util/ities.h"
#include <util/logging.h>
#include <cstdio>
#include <cstring>
#include <fstream>
using namespace iss::arch;
constexpr std::array<const char*, 36> iss::arch::traits<iss::arch::tgc5b>::reg_names;
constexpr std::array<const char*, 36> iss::arch::traits<iss::arch::tgc5b>::reg_aliases;
constexpr std::array<const uint32_t, 43> iss::arch::traits<iss::arch::tgc5b>::reg_bit_widths;
constexpr std::array<const uint32_t, 43> iss::arch::traits<iss::arch::tgc5b>::reg_byte_offsets;
tgc5b::tgc5b() = default;
tgc5b::~tgc5b() = default;
void tgc5b::reset(uint64_t address) {
auto base_ptr = reinterpret_cast<traits<tgc5b>::reg_t*>(get_regs_base_ptr());
for(size_t i=0; i<traits<tgc5b>::NUM_REGS; ++i)
*(base_ptr+i)=0;
reg.PC=address;
reg.NEXT_PC=reg.PC;
reg.PRIV=0x3;
reg.trap_state=0;
reg.icount=0;
}
uint8_t *tgc5b::get_regs_base_ptr() {
return reinterpret_cast<uint8_t*>(&reg);
}
tgc5b::phys_addr_t tgc5b::virt2phys(const iss::addr_t &addr) {
return phys_addr_t(addr.access, addr.space, addr.val&traits<tgc5b>::addr_mask);
}
// clang-format on

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/*******************************************************************************
* Copyright (C) 2017 - 2021 MINRES Technologies GmbH
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. 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.
*
* 3. Neither the name of the copyright holder 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 HOLDER 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.
*
*******************************************************************************/
#ifndef _TGC5B_H_
#define _TGC5B_H_
// clang-format off
#include <array>
#include <iss/arch/traits.h>
#include <iss/arch_if.h>
#include <iss/vm_if.h>
namespace iss {
namespace arch {
struct tgc5b;
template <> struct traits<tgc5b> {
constexpr static char const* const core_type = "TGC5B";
static constexpr std::array<const char*, 36> reg_names{
{"x0", "x1", "x2", "x3", "x4", "x5", "x6", "x7", "x8", "x9", "x10", "x11", "x12", "x13", "x14", "x15", "x16", "x17", "x18", "x19", "x20", "x21", "x22", "x23", "x24", "x25", "x26", "x27", "x28", "x29", "x30", "x31", "pc", "next_pc", "priv", "dpc"}};
static constexpr std::array<const char*, 36> reg_aliases{
{"zero", "ra", "sp", "gp", "tp", "t0", "t1", "t2", "s0", "s1", "a0", "a1", "a2", "a3", "a4", "a5", "a6", "a7", "s2", "s3", "s4", "s5", "s6", "s7", "s8", "s9", "s10", "s11", "t3", "t4", "t5", "t6", "pc", "next_pc", "priv", "dpc"}};
enum constants {MISA_VAL=1073742080ULL, MARCHID_VAL=2147483650ULL, CLIC_NUM_IRQ=0ULL, XLEN=32ULL, INSTR_ALIGNMENT=4ULL, RFS=32ULL, fence=0ULL, fencei=1ULL, fencevmal=2ULL, fencevmau=3ULL, CSR_SIZE=4096ULL};
constexpr static unsigned FP_REGS_SIZE = 0;
enum reg_e {
X0, X1, X2, X3, X4, X5, X6, X7, X8, X9, X10, X11, X12, X13, X14, X15, X16, X17, X18, X19, X20, X21, X22, X23, X24, X25, X26, X27, X28, X29, X30, X31, PC, NEXT_PC, PRIV, DPC, NUM_REGS, TRAP_STATE=NUM_REGS, PENDING_TRAP, ICOUNT, CYCLE, INSTRET, INSTRUCTION, LAST_BRANCH
};
using reg_t = uint32_t;
using addr_t = uint32_t;
using code_word_t = uint32_t; //TODO: check removal
using virt_addr_t = iss::typed_addr_t<iss::address_type::VIRTUAL>;
using phys_addr_t = iss::typed_addr_t<iss::address_type::PHYSICAL>;
static constexpr std::array<const uint32_t, 43> reg_bit_widths{
{32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,32,8,32,32,32,64,64,64,32,32}};
static constexpr std::array<const uint32_t, 43> reg_byte_offsets{
{0,4,8,12,16,20,24,28,32,36,40,44,48,52,56,60,64,68,72,76,80,84,88,92,96,100,104,108,112,116,120,124,128,132,136,137,141,145,149,157,165,173,177}};
static const uint64_t addr_mask = (reg_t(1) << (XLEN - 1)) | ((reg_t(1) << (XLEN - 1)) - 1);
enum sreg_flag_e { FLAGS };
enum mem_type_e { MEM, FENCE, RES, CSR };
enum class opcode_e {
LUI = 0,
AUIPC = 1,
JAL = 2,
JALR = 3,
BEQ = 4,
BNE = 5,
BLT = 6,
BGE = 7,
BLTU = 8,
BGEU = 9,
LB = 10,
LH = 11,
LW = 12,
LBU = 13,
LHU = 14,
SB = 15,
SH = 16,
SW = 17,
ADDI = 18,
SLTI = 19,
SLTIU = 20,
XORI = 21,
ORI = 22,
ANDI = 23,
SLLI = 24,
SRLI = 25,
SRAI = 26,
ADD = 27,
SUB = 28,
SLL = 29,
SLT = 30,
SLTU = 31,
XOR = 32,
SRL = 33,
SRA = 34,
OR = 35,
AND = 36,
FENCE = 37,
ECALL = 38,
EBREAK = 39,
MRET = 40,
WFI = 41,
CSRRW = 42,
CSRRS = 43,
CSRRC = 44,
CSRRWI = 45,
CSRRSI = 46,
CSRRCI = 47,
FENCE_I = 48,
MAX_OPCODE
};
};
struct tgc5b: public arch_if {
using virt_addr_t = typename traits<tgc5b>::virt_addr_t;
using phys_addr_t = typename traits<tgc5b>::phys_addr_t;
using reg_t = typename traits<tgc5b>::reg_t;
using addr_t = typename traits<tgc5b>::addr_t;
tgc5b();
~tgc5b();
void reset(uint64_t address=0) override;
uint8_t* get_regs_base_ptr() override;
inline uint64_t get_icount() { return reg.icount; }
inline bool should_stop() { return interrupt_sim; }
inline uint64_t stop_code() { return interrupt_sim; }
virtual phys_addr_t virt2phys(const iss::addr_t& addr);
virtual iss::sync_type needed_sync() const { return iss::NO_SYNC; }
inline uint32_t get_last_branch() { return reg.last_branch; }
#pragma pack(push, 1)
struct TGC5B_regs {
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;
uint8_t PRIV = 0;
uint32_t DPC = 0;
uint32_t trap_state = 0, pending_trap = 0;
uint64_t icount = 0;
uint64_t cycle = 0;
uint64_t instret = 0;
uint32_t instruction = 0;
uint32_t last_branch = 0;
} reg;
#pragma pack(pop)
std::array<address_type, 4> addr_mode;
uint64_t interrupt_sim=0;
uint32_t get_fcsr(){return 0;}
void set_fcsr(uint32_t val){}
};
}
}
#endif /* _TGC5B_H_ */
// clang-format on

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