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Fixed target adapter to properly handle register reading

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This commit is contained in:
Eyck Jentzsch
2017-09-25 20:38:40 +02:00
parent 4ce4b2562b
commit 710d61e304
8 changed files with 99 additions and 45 deletions
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3
riscv/src/CMakeLists.txt
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@ -36,6 +36,9 @@ target_link_libraries(${APPLICATION_NAME} sc-components)
target_link_libraries(${APPLICATION_NAME} external)
target_link_libraries(${APPLICATION_NAME} ${llvm_libs})
target_link_libraries(${APPLICATION_NAME} ${Boost_LIBRARIES} )
if (Tcmalloc_FOUND)
target_link_libraries(${APPLICATION_NAME} ${Tcmalloc_LIBRARIES})
endif(Tcmalloc_FOUND)
# Says how and where to install software
# Targets:

44
riscv/src/internal/vm_riscv.in.cpp
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@ -485,14 +485,12 @@ status target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, std::vec
// return idx<0?:;
data.clear();
avail.clear();
std::vector<uint8_t> reg_data;
const uint8_t* reg_base = vm->get_arch()->get_regs_base_ptr();
for (size_t reg_no = 0; reg_no < arch::traits<ARCH>::NUM_REGS; ++reg_no) {
auto reg_bit_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no));
auto reg_width = reg_bit_width / 8;
reg_data.resize(reg_width);
vm->get_arch()->get_reg(reg_no, reg_data);
for (size_t j = 0; j < reg_data.size(); ++j) {
data.push_back(reg_data[j]);
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
unsigned offset = traits<ARCH>::reg_byte_offset(reg_no);
for (size_t j = 0; j < reg_width; ++j) {
data.push_back(*(reg_base+offset+j));
avail.push_back(0xff);
}
}
@ -510,15 +508,15 @@ status target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, std::vec
}
template <typename ARCH> status target_adapter<ARCH>::write_registers(const std::vector<uint8_t> &data) {
size_t data_index = 0;
auto reg_count = arch::traits<ARCH>::NUM_REGS;
std::vector<uint8_t> reg_data;
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto iter = data.data();
for (size_t reg_no = 0; reg_no < reg_count; ++reg_no) {
auto reg_bit_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no));
auto reg_width = reg_bit_width / 8;
vm->get_arch()->set_reg(reg_no,
std::vector<uint8_t>(data.begin() + data_index, data.begin() + data_index + reg_width));
data_index += reg_width;
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(iter , iter + reg_width, reg_base);
iter+=4;
reg_base+=offset;
}
return Ok;
}
@ -529,9 +527,12 @@ status target_adapter<ARCH>::read_single_register(unsigned int reg_no, std::vect
if (reg_no < 65) {
// auto reg_size = arch::traits<ARCH>::reg_bit_width(static_cast<typename
// arch::traits<ARCH>::reg_e>(reg_no))/8;
data.resize(0);
vm->get_arch()->get_reg(reg_no, data);
avail.resize(data.size());
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
data.resize(reg_width);
avail.resize(reg_width);
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(reg_base+offset, reg_base+offset+reg_width, data.begin());
std::fill(avail.begin(), avail.end(), 0xff);
} else {
typed_addr_t<iss::PHYSICAL> a(iss::DEBUG_READ, traits<ARCH>::CSR, reg_no - 65);
@ -545,9 +546,12 @@ status target_adapter<ARCH>::read_single_register(unsigned int reg_no, std::vect
template <typename ARCH>
status target_adapter<ARCH>::write_single_register(unsigned int reg_no, const std::vector<uint8_t> &data) {
if (reg_no < 65)
vm->get_arch()->set_reg(reg_no, data);
else {
if (reg_no < 65){
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(data.begin(), data.begin() + reg_width, reg_base+offset);
} else {
typed_addr_t<iss::PHYSICAL> a(iss::DEBUG_WRITE, traits<ARCH>::CSR, reg_no - 65);
vm->get_arch()->write(a, data.size(), data.data());
}

47
riscv/src/internal/vm_rv32imac.cpp
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@ -4094,7 +4094,8 @@ template <typename ARCH> inline void vm_impl<ARCH>::gen_trap_check(llvm::BasicBl
#define CREATE_FUNCS(ARCH) \
template <> std::unique_ptr<vm_if> create<ARCH>(ARCH * core, unsigned short port, bool dump) { \
std::unique_ptr<rv32imac::vm_impl<ARCH>> ret = std::make_unique<rv32imac::vm_impl<ARCH>>(*core, dump); \
std::unique_ptr<rv32imac::vm_impl<ARCH>> ret = \
std::make_unique<rv32imac::vm_impl<ARCH>>(*core, dump); \
debugger::server<debugger::gdb_session>::run_server(ret.get(), port); \
return ret; \
} \
@ -4157,14 +4158,12 @@ status target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, std::vec
// return idx<0?:;
data.clear();
avail.clear();
std::vector<uint8_t> reg_data;
const uint8_t* reg_base = vm->get_arch()->get_regs_base_ptr();
for (size_t reg_no = 0; reg_no < arch::traits<ARCH>::NUM_REGS; ++reg_no) {
auto reg_bit_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no));
auto reg_width = reg_bit_width / 8;
reg_data.resize(reg_width);
vm->get_arch()->get_reg(reg_no, reg_data);
for (size_t j = 0; j < reg_data.size(); ++j) {
data.push_back(reg_data[j]);
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
unsigned offset = traits<ARCH>::reg_byte_offset(reg_no);
for (size_t j = 0; j < reg_width; ++j) {
data.push_back(*(reg_base+offset+j));
avail.push_back(0xff);
}
}
@ -4182,15 +4181,15 @@ status target_adapter<ARCH>::read_registers(std::vector<uint8_t> &data, std::vec
}
template <typename ARCH> status target_adapter<ARCH>::write_registers(const std::vector<uint8_t> &data) {
size_t data_index = 0;
auto reg_count = arch::traits<ARCH>::NUM_REGS;
std::vector<uint8_t> reg_data;
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto iter = data.data();
for (size_t reg_no = 0; reg_no < reg_count; ++reg_no) {
auto reg_bit_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no));
auto reg_width = reg_bit_width / 8;
vm->get_arch()->set_reg(reg_no,
std::vector<uint8_t>(data.begin() + data_index, data.begin() + data_index + reg_width));
data_index += reg_width;
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(iter , iter + reg_width, reg_base);
iter+=4;
reg_base+=offset;
}
return Ok;
}
@ -4201,9 +4200,12 @@ status target_adapter<ARCH>::read_single_register(unsigned int reg_no, std::vect
if (reg_no < 65) {
// auto reg_size = arch::traits<ARCH>::reg_bit_width(static_cast<typename
// arch::traits<ARCH>::reg_e>(reg_no))/8;
data.resize(0);
vm->get_arch()->get_reg(reg_no, data);
avail.resize(data.size());
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
data.resize(reg_width);
avail.resize(reg_width);
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(reg_base+offset, reg_base+offset+reg_width, data.begin());
std::fill(avail.begin(), avail.end(), 0xff);
} else {
typed_addr_t<iss::PHYSICAL> a(iss::DEBUG_READ, traits<ARCH>::CSR, reg_no - 65);
@ -4217,9 +4219,12 @@ status target_adapter<ARCH>::read_single_register(unsigned int reg_no, std::vect
template <typename ARCH>
status target_adapter<ARCH>::write_single_register(unsigned int reg_no, const std::vector<uint8_t> &data) {
if (reg_no < 65)
vm->get_arch()->set_reg(reg_no, data);
else {
if (reg_no < 65){
auto* reg_base = vm->get_arch()->get_regs_base_ptr();
auto reg_width = arch::traits<ARCH>::reg_bit_width(static_cast<typename arch::traits<ARCH>::reg_e>(reg_no))/8;
auto offset = traits<ARCH>::reg_byte_offset(reg_no);
std::copy(data.begin(), data.begin() + reg_width, reg_base+offset);
} else {
typed_addr_t<iss::PHYSICAL> a(iss::DEBUG_WRITE, traits<ARCH>::CSR, reg_no - 65);
vm->get_arch()->write(a, data.size(), data.data());
}