DBT-RISE
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DBT-RISE-TGC
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splits bus into 2 sockets for i/dbus

This commit is contained in:
Eyck Jentzsch 2023-05-04 21:59:31 +02:00
parent 916de2a26d
commit d330307ed5
3 changed files with 32 additions and 15 deletions
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11
contrib/tgc_import_tb.tcl
View File

@ -14,9 +14,11 @@ puts "instantiate testbench elements"
::BLWizard::generateFramework i_Bus SBLTLM2FT * {} \
{ common_configuration:BackBone:/advanced/num_resources_per_target:1 }
::pct::set_bounds i_Bus 700 300 100 400
::pct::create_connection C_init i_core_complex/initiator i_Bus/i_core_complex_initiator
::pct::set_location_on_owner i_Bus/i_core_complex_initiator 10
::pct::create_connection C_targ i_Bus/i_Memory_Generic_MEM i_Memory_Generic/MEM
::pct::create_connection C_ibus i_core_complex/ibus i_Bus/i_core_complex_ibus
::pct::set_location_on_owner i_Bus/i_core_complex_ibus 10
::pct::create_connection C_dbus i_core_complex/dbus i_Bus/i_core_complex_dbus
::pct::set_location_on_owner i_Bus/i_core_complex_dbus 10
::pct::create_connection C_mem i_Bus/i_Memory_Generic_MEM i_Memory_Generic/MEM
puts "instantiating clock manager"
set clock "Clk"
@ -44,7 +46,8 @@ puts "connecting reset/clock"
puts "setting parameters for DBT-RISE-TGC/Bus and memory components"
::pct::set_param_value $hardware/i_${top_design_name} {Extra properties} elf_file ${FW_name}
::pct::set_address $hardware/i_${top_design_name}/initiator:i_Memory_Generic/MEM 0x0
::pct::set_address $hardware/i_${top_design_name}/ibus:i_Memory_Generic/MEM 0x0
::pct::set_address $hardware/i_${top_design_name}/dbus:i_Memory_Generic/MEM 0x0
::BLWizard::updateFramework i_Bus {} { common_configuration:BackBone:/advanced/num_resources_per_target:1 }
::pct::set_main_configuration Default {{#include <scc/report.h>} {::scc::init_logging(::scc::LogConfig().logLevel(::scc::log::INFO).coloredOutput(false).logAsync(false));} {} {} {}}

27
src/sysc/core_complex.cpp
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@ -330,6 +330,7 @@ SC_HAS_PROCESS(core_complex);// NOLINT
#ifndef CWR_SYSTEMC
core_complex::core_complex(sc_module_name const& name)
: sc_module(name)
, fetch_lut(tlm_dmi_ext())
, read_lut(tlm_dmi_ext())
, write_lut(tlm_dmi_ext())
{
@ -339,7 +340,13 @@ core_complex::core_complex(sc_module_name const& name)
void core_complex::init(){
trc=new core_trace();
initiator.register_invalidate_direct_mem_ptr([=](uint64_t start, uint64_t end) -> void {
ibus.register_invalidate_direct_mem_ptr([=](uint64_t start, uint64_t end) -> void {
auto lut_entry = fetch_lut.getEntry(start);
if (lut_entry.get_granted_access() != tlm::tlm_dmi::DMI_ACCESS_NONE && end <= lut_entry.get_end_address() + 1) {
fetch_lut.removeEntry(lut_entry);
}
});
dbus.register_invalidate_direct_mem_ptr([=](uint64_t start, uint64_t end) -> void {
auto lut_entry = read_lut.getEntry(start);
if (lut_entry.get_granted_access() != tlm::tlm_dmi::DMI_ACCESS_NONE && end <= lut_entry.get_end_address() + 1) {
read_lut.removeEntry(lut_entry);
@ -516,13 +523,15 @@ void core_complex::run() {
}
bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data, bool is_fetch) {
auto lut_entry = read_lut.getEntry(addr);
auto& dmi_lut = is_fetch?fetch_lut:read_lut;
auto lut_entry = dmi_lut.getEntry(addr);
if (lut_entry.get_granted_access() != tlm::tlm_dmi::DMI_ACCESS_NONE && addr + length <= lut_entry.get_end_address() + 1) {
auto offset = addr - lut_entry.get_start_address();
std::copy(lut_entry.get_dmi_ptr() + offset, lut_entry.get_dmi_ptr() + offset + length, data);
quantum_keeper.inc(lut_entry.get_read_latency());
return true;
} else {
auto& sckt = is_fetch? ibus : dbus;
tlm::tlm_generic_payload gp;
gp.set_command(tlm::TLM_READ_COMMAND);
gp.set_address(addr);
@ -537,7 +546,7 @@ bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data,
auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this);
gp.set_extension(preExt);
}
initiator->b_transport(gp, delay);
sckt->b_transport(gp, delay);
quantum_keeper.set(delay);
SCCTRACE(this->name()) << "read_mem(0x" << std::hex << addr << ") : 0x" << (length==4?*(uint32_t*)data:length==2?*(uint16_t*)data:(unsigned)*data);
if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) {
@ -547,9 +556,9 @@ bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data,
gp.set_command(tlm::TLM_READ_COMMAND);
gp.set_address(addr);
tlm_dmi_ext dmi_data;
if (initiator->get_direct_mem_ptr(gp, dmi_data)) {
if (sckt->get_direct_mem_ptr(gp, dmi_data)) {
if (dmi_data.is_read_allowed())
read_lut.addEntry(dmi_data, dmi_data.get_start_address(),
dmi_lut.addEntry(dmi_data, dmi_data.get_start_address(),
dmi_data.get_end_address() - dmi_data.get_start_address() + 1);
}
}
@ -579,7 +588,7 @@ bool core_complex::write_mem(uint64_t addr, unsigned length, const uint8_t *cons
auto preExt = new tlm::scc::scv::tlm_recording_extension(trc->tr_handle, this);
gp.set_extension(preExt);
}
initiator->b_transport(gp, delay);
dbus->b_transport(gp, delay);
quantum_keeper.set(delay);
SCCTRACE() << "write_mem(0x" << std::hex << addr << ") : 0x" << (length==4?*(uint32_t*)data:length==2?*(uint16_t*)data:(unsigned)*data);
if (gp.get_response_status() != tlm::TLM_OK_RESPONSE) {
@ -589,7 +598,7 @@ bool core_complex::write_mem(uint64_t addr, unsigned length, const uint8_t *cons
gp.set_command(tlm::TLM_READ_COMMAND);
gp.set_address(addr);
tlm_dmi_ext dmi_data;
if (initiator->get_direct_mem_ptr(gp, dmi_data)) {
if (dbus->get_direct_mem_ptr(gp, dmi_data)) {
if (dmi_data.is_write_allowed())
write_lut.addEntry(dmi_data, dmi_data.get_start_address(),
dmi_data.get_end_address() - dmi_data.get_start_address() + 1);
@ -606,7 +615,7 @@ bool core_complex::read_mem_dbg(uint64_t addr, unsigned length, uint8_t *const d
gp.set_data_ptr(data);
gp.set_data_length(length);
gp.set_streaming_width(length);
return initiator->transport_dbg(gp) == length;
return dbus->transport_dbg(gp) == length;
}
bool core_complex::write_mem_dbg(uint64_t addr, unsigned length, const uint8_t *const data) {
@ -618,7 +627,7 @@ bool core_complex::write_mem_dbg(uint64_t addr, unsigned length, const uint8_t *
gp.set_data_ptr(write_buf.data());
gp.set_data_length(length);
gp.set_streaming_width(length);
return initiator->transport_dbg(gp) == length;
return dbus->transport_dbg(gp) == length;
}
} /* namespace SiFive */
} /* namespace sysc */

9
src/sysc/core_complex.h
View File

@ -40,8 +40,10 @@
#include <tlm/scc/scv/tlm_rec_initiator_socket.h>
#ifdef CWR_SYSTEMC
#include <scmlinc/scml_property.h>
#define SOCKET_WIDTH 32
#else
#include <cci_configuration>
#define SOCKET_WIDTH scc::LT
#endif
#include <tlm>
#include <tlm_utils/tlm_quantumkeeper.h>
@ -69,7 +71,9 @@ struct core_trace;
class core_complex : public sc_core::sc_module, public scc::traceable {
public:
tlm::scc::initiator_mixin<tlm::tlm_initiator_socket<32>> initiator{"intor"};
tlm::scc::initiator_mixin<tlm::tlm_initiator_socket<SOCKET_WIDTH>> ibus{"ibus"};
tlm::scc::initiator_mixin<tlm::tlm_initiator_socket<SOCKET_WIDTH>> dbus{"dbus"};
sc_core::sc_in<bool> rst_i{"rst_i"};
@ -141,6 +145,7 @@ public:
, dump_ir{"dump_ir", false}
, mhartid{"mhartid", 0}
, plugins{"plugins", ""}
, fetch_lut(tlm_dmi_ext())
, read_lut(tlm_dmi_ext())
, write_lut(tlm_dmi_ext())
{
@ -185,7 +190,7 @@ protected:
void ext_irq_cb();
void local_irq_cb();
uint64_t last_sync_cycle = 0;
util::range_lut<tlm_dmi_ext> read_lut, write_lut;
util::range_lut<tlm_dmi_ext> fetch_lut, read_lut, write_lut;
tlm_utils::tlm_quantumkeeper quantum_keeper;
std::vector<uint8_t> write_buf;
core_wrapper* cpu{nullptr};