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applies clang-format

This commit is contained in:
Eyck Jentzsch 2024-06-14 17:43:12 +02:00
parent 37db31fb4b
commit 551822916c
4 changed files with 70 additions and 68 deletions
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113
src/iss/semihosting/semihosting.cpp
View File

@ -1,35 +1,36 @@
#include "semihosting.h"
#include <cstdint>
#include <map>
#include <iss/vm_types.h>
#include <stdexcept>
#include <chrono>
#include <cstdint>
#include <iss/vm_types.h>
#include <map>
#include <stdexcept>
// explanation of syscalls can be found at https://github.com/SpinalHDL/openocd_riscv/blob/riscv_spinal/src/target/semihosting_common.h
const char *SYS_OPEN_MODES_STRS[] = { "r", "rb", "r+", "r+b", "w", "wb", "w+", "w+b", "a", "ab", "a+", "a+b" };
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) {
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);
// 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);
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){
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++ ) {
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 std::map<T, FILE*> openFiles;
static T file_count = 3;
static T semihostingErrno;
@ -38,18 +39,18 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
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
*call_number = millis; // TODO get time now
break;
}
case semihosting_syscalls::SYS_CLOSE: {
T file_handle = *parameter;
if (openFiles.size() <= file_handle && file_handle < 0) {
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)) {
if(!(file == stdin || file == stdout || file == stderr)) {
int i = fclose(file);
*call_number = i;
} else {
@ -80,7 +81,8 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
auto file = openFiles[file_handle];
size_t currentPos = ftell(file);
if (currentPos < 0) throw std::runtime_error("SYS_FLEN negative value");
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);
@ -107,30 +109,30 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
}
case semihosting_syscalls::SYS_OPEN: {
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));
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
// TODO LOG INFO
if (mode >= 12) {
//TODO throw ERROR
if(mode >= 12) {
// TODO throw ERROR
return;
}
FILE *file = nullptr;
FILE* file = nullptr;
if(path_str == ":tt") {
if (mode < 4)
if(mode < 4)
file = stdin;
else if (mode < 8)
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
if(file == nullptr) {
// TODO throw error
return;
}
}
@ -138,45 +140,41 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
openFiles[file_handle] = file;
*call_number = file_handle;
break;
}
case semihosting_syscalls::SYS_READ: {
T file_handle = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
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);
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)
{
if(file == stdin) {
// when reading from stdin: mimic behaviour from read syscall
// and return on newline.
while (num_read < count)
{
while(num_read < count) {
char c = fgetc(file);
buffer[num_read] = c;
num_read++;
if (c == '\n')
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]);
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: {
uint8_t character = getchar();
//character = getchar();
// character = getchar();
/*if(character != iss::Ok)
std::cout << "Not OK";
return;*/
@ -185,17 +183,18 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
}
case semihosting_syscalls::SYS_REMOVE: {
T path_str_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T path_len = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
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;
if(remove(path_str.c_str()) < 0)
*call_number = -1;
break;
}
case semihosting_syscalls::SYS_RENAME: {
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);
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);
@ -204,17 +203,18 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
}
case semihosting_syscalls::SYS_SEEK: {
T file_handle = sh_read_field<T>(arch_if_ptr, *parameter);
T pos = sh_read_field<T>(arch_if_ptr, (*parameter)+1);
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");
if(retval < 0)
throw std::runtime_error("SYS_SEEK negative return value");
break;
}
case semihosting_syscalls::SYS_SYSTEM: {
T cmd_addr = sh_read_field<T>(arch_if_ptr, *parameter);
T cmd_len = sh_read_field<T>(arch_if_ptr, (*parameter)+1);
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;
@ -224,16 +224,16 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
break;
}
case semihosting_syscalls::SYS_TIME: {
//returns time in seconds scince 01.01.1970 00:00
// returns time in seconds scince 01.01.1970 00:00
*call_number = time(NULL);
break;
}
case semihosting_syscalls::SYS_TMPNAM: {
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);
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) {
if(identifier > 255) {
*call_number = -1;
return;
}
@ -243,15 +243,16 @@ template <typename T> void semihosting_callback<T>::operator()(iss::arch_if* arc
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;
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: {
T file_handle = sh_read_field<T>(arch_if_ptr, (*parameter)+4);
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);
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);

9
src/iss/semihosting/semihosting.h
View File

@ -1,8 +1,8 @@
#ifndef _SEMIHOSTING_H_
#define _SEMIHOSTING_H_
#include <iss/arch_if.h>
#include <functional>
#include <chrono>
#include <functional>
#include <iss/arch_if.h>
/*
* According to:
* "Semihosting for AArch32 and AArch64, Release 2.0"
@ -50,9 +50,10 @@ enum class semihosting_syscalls {
USER_CMD_0x1FF = 0x1FF,
};
template <typename T> struct semihosting_callback{
template <typename T> struct semihosting_callback {
std::chrono::high_resolution_clock::time_point timeVar;
semihosting_callback(): timeVar(std::chrono::high_resolution_clock::now()) {}
semihosting_callback()
: timeVar(std::chrono::high_resolution_clock::now()) {}
void operator()(iss::arch_if* arch_if_ptr, T* call_number, T* parameter);
};

2
src/main.cpp
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@ -120,7 +120,7 @@ int main(int argc, char* argv[]) {
iss::vm_ptr vm{nullptr};
iss::cpu_ptr cpu{nullptr};
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);};
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();