removes repo that should not be checked in

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.12)
+cmake_minimum_required(VERSION 3.18)
 list(APPEND CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
 
 # ##############################################################################

gen_input/templates/llvm/CORENAME.cpp.gtl

@@ -373,7 +373,7 @@ volatile std::array<bool, 2> dummy = {
 		    auto vm = new llvm::${coreDef.name.toLowerCase()}::vm_impl<arch::${coreDef.name.toLowerCase()}>(*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::${coreDef.name.toLowerCase()}>::reg_t, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t)>*>(init_data);
+                auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t*, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t*)>*>(init_data);
                 cpu->set_semihosting_callback(*cb);
             }
             return {cpu_ptr{cpu}, vm_ptr{vm}};
@@ -383,7 +383,7 @@ volatile std::array<bool, 2> dummy = {
 		    auto vm = new llvm::${coreDef.name.toLowerCase()}::vm_impl<arch::${coreDef.name.toLowerCase()}>(*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::${coreDef.name.toLowerCase()}>::reg_t, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t)>*>(init_data);
+                auto* cb = reinterpret_cast<std::function<void(arch_if*, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t*, arch::traits<arch::${coreDef.name.toLowerCase()}>::reg_t*)>*>(init_data);
                 cpu->set_semihosting_callback(*cb);
             }
             return {cpu_ptr{cpu}, vm_ptr{vm}};

src/iss/arch/riscv_hart_m_p.h

@@ -293,7 +293,7 @@ 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 {
@@ -354,7 +354,7 @@ 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>;
@@ -1125,9 +1125,6 @@ iss::status riscv_hart_m_p<BASE, FEAT>::write_mem(phys_addr_t paddr, unsigned le
                         }
                         this->reg.trap_state = std::numeric_limits<uint32_t>::max();
                         this->interrupt_sim = hostvar;
-#ifndef WITH_TCC
-                        // throw(iss::simulation_stopped(hostvar));
-#endif
                         break;
                     case 0x0101: {
                         char c = static_cast<char>(hostvar & 0xff);
@@ -1272,7 +1269,7 @@ 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;
                 }
             }

src/iss/arch/riscv_hart_mu_p.h

@@ -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 {
@@ -380,7 +380,7 @@ 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>;
@@ -1507,7 +1507,7 @@ 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;
                 }
             }

src/iss/semihosting/semihosting.cpp

@@ -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>;

src/iss/semihosting/semihosting.h

@@ -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

src/main.cpp

@@ -119,7 +119,8 @@ 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();

src/vm/asmjit/vm_tgc5c.cpp

@@ -4795,7 +4795,7 @@ 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}};
@@ -4805,7 +4805,7 @@ 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}};

src/vm/interp/vm_tgc5c.cpp

@@ -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}};

src/vm/llvm/vm_tgc5c.cpp

@@ -4722,7 +4722,7 @@ volatile std::array<bool, 2> dummy = {
 		    auto vm = new llvm::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<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t*, arch::traits<arch::tgc5c>::reg_t*)>*>(init_data);
                 cpu->set_semihosting_callback(*cb);
             }
             return {cpu_ptr{cpu}, vm_ptr{vm}};
@@ -4732,7 +4732,7 @@ volatile std::array<bool, 2> dummy = {
 		    auto vm = new llvm::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<std::function<void(arch_if*, arch::traits<arch::tgc5c>::reg_t*, arch::traits<arch::tgc5c>::reg_t*)>*>(init_data);
                 cpu->set_semihosting_callback(*cb);
             }
             return {cpu_ptr{cpu}, vm_ptr{vm}};

src/vm/tcc/vm_tgc5c.cpp

@@ -3653,7 +3653,7 @@ 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}};
@@ -3663,7 +3663,7 @@ 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}};