DBT-RISE/DBT-RISE-TGC
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changes time handling at sockets

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This commit is contained in:
Eyck Jentzsch 2023-05-06 19:57:29 +02:00
parent d330307ed5
commit cfa7b72363
3 changed files with 20 additions and 11 deletions
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6
contrib/tgc_import_tb.tcl
View File

@ -5,9 +5,9 @@ set FW_name ${scriptDir}/hello.elf
puts "instantiate testbench elements"
::paultra::add_hw_instance GenericIPlib:Memory_Generic -inst_name i_Memory_Generic
::pct::set_param_value i_Memory_Generic/MEM:protocol {Protocol Common Parameters} address_width 30
#::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/LT/clock_period_in_ns 1
#::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/read/cmd_accept_cycles 1
#::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/write/cmd_accept_cycles 1
::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/LT/clock_period_in_ns 1
::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/read/cmd_accept_cycles 1
::pct::set_param_value i_Memory_Generic {Scml Properties} /timing/write/cmd_accept_cycles 1
::pct::set_bounds i_Memory_Generic 1000 300 100 100
::paultra::add_hw_instance Bus:Bus -inst_name i_Bus

15
src/sysc/core_complex.cpp
View File

@ -107,7 +107,8 @@ public:
heart_state_t &get_state() { return this->state; }
void notify_phase(iss::arch_if::exec_phase p) override {
if (p == iss::arch_if::ISTART) owner->sync(this->icount);
if (p == iss::arch_if::ISTART)
owner->sync(this->instr_if.get_total_cycles());
}
sync_type needed_sync() const override { return PRE_SYNC; }
@ -547,8 +548,12 @@ bool core_complex::read_mem(uint64_t addr, unsigned length, uint8_t *const data,
gp.set_extension(preExt);
}
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);
auto incr = delay-quantum_keeper.get_local_time();
if(is_fetch)
ibus_inc+=incr;
else
dbus_inc+=incr;
SCCTRACE(this->name()) << "[local time: "<<delay<<"]: finish 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) {
return false;
}
@ -589,8 +594,8 @@ bool core_complex::write_mem(uint64_t addr, unsigned length, const uint8_t *cons
gp.set_extension(preExt);
}
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);
dbus_inc+=delay-quantum_keeper.get_local_time();
SCCTRACE() << "[local time: "<<delay<<"]: finish 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) {
return false;
}

10
src/sysc/core_complex.h
View File

@ -157,13 +157,16 @@ public:
~core_complex();
inline void sync(uint64_t cycle) {
auto time = curr_clk * (cycle - last_sync_cycle);
quantum_keeper.inc(time);
auto core_inc = curr_clk * (cycle - last_sync_cycle);
auto incr = std::max(core_inc, std::max(ibus_inc, dbus_inc));
quantum_keeper.inc(incr);
if (quantum_keeper.need_sync()) {
wait(quantum_keeper.get_local_time());
quantum_keeper.reset();
}
last_sync_cycle = cycle;
ibus_inc = SC_ZERO_TIME;
dbus_inc = SC_ZERO_TIME;
}
bool read_mem(uint64_t addr, unsigned length, uint8_t *const data, bool is_fetch);
@ -195,6 +198,7 @@ protected:
std::vector<uint8_t> write_buf;
core_wrapper* cpu{nullptr};
sc_core::sc_signal<sc_core::sc_time> curr_clk;
sc_core::sc_time ibus_inc, dbus_inc;
core_trace* trc{nullptr};
std::unique_ptr<scc::tick2time> t2t;
private:
@ -202,7 +206,7 @@ private:
std::vector<iss::vm_plugin *> plugin_list;
};
} /* namespace SiFive */
} /* namespace tgfs */
} /* namespace sysc */
#endif /* _SYSC_CORE_COMPLEX_H_ */