Files
vortex/sim/simx/socket.cpp
Blaise Tine c7a81d1493 adding sockets support to simx and cache subsystem refactoring
minor update

minor update

minor updates
2023-12-20 15:16:12 -08:00

146 lines
4.2 KiB
C++

// Copyright © 2019-2023
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "socket.h"
#include "cluster.h"
using namespace vortex;
Socket::Socket(const SimContext& ctx,
uint32_t socket_id,
Cluster* cluster,
const Arch &arch, const
DCRS &dcrs)
: SimObject(ctx, "socket")
, icache_mem_req_port(this)
, icache_mem_rsp_port(this)
, dcache_mem_req_port(this)
, dcache_mem_rsp_port(this)
, socket_id_(socket_id)
, cores_(arch.socket_size())
, cluster_(cluster)
{
auto cores_per_socket = cores_.size();
char sname[100];
snprintf(sname, 100, "socket%d-icaches", socket_id);
icaches_ = CacheCluster::Create(sname, cores_per_socket, NUM_ICACHES, 1, CacheSim::Config{
!ICACHE_ENABLED,
log2ceil(ICACHE_SIZE), // C
log2ceil(L1_LINE_SIZE), // L
log2ceil(sizeof(uint32_t)), // W
log2ceil(ICACHE_NUM_WAYS),// A
1, // B
XLEN, // address bits
1, // number of ports
1, // number of inputs
true, // write-through
false, // write response
(uint8_t)arch.num_warps(), // mshr
2, // pipeline latency
});
icaches_->MemReqPort.bind(&icache_mem_req_port);
icache_mem_rsp_port.bind(&icaches_->MemRspPort);
snprintf(sname, 100, "socket%d-dcaches", socket_id);
dcaches_ = CacheCluster::Create(sname, cores_per_socket, NUM_DCACHES, NUM_LSU_LANES, CacheSim::Config{
!DCACHE_ENABLED,
log2ceil(DCACHE_SIZE), // C
log2ceil(L1_LINE_SIZE), // L
log2ceil(sizeof(Word)), // W
log2ceil(DCACHE_NUM_WAYS),// A
log2ceil(DCACHE_NUM_BANKS), // B
XLEN, // address bits
1, // number of ports
DCACHE_NUM_BANKS, // number of inputs
true, // write-through
false, // write response
DCACHE_MSHR_SIZE, // mshr
2, // pipeline latency
});
dcaches_->MemReqPort.bind(&dcache_mem_req_port);
dcache_mem_rsp_port.bind(&dcaches_->MemRspPort);
// create cores
for (uint32_t i = 0; i < cores_per_socket; ++i) {
uint32_t core_id = socket_id * cores_per_socket + i;
cores_.at(i) = Core::Create(core_id, this, arch, dcrs);
cores_.at(i)->icache_req_ports.at(0).bind(&icaches_->CoreReqPorts.at(i).at(0));
icaches_->CoreRspPorts.at(i).at(0).bind(&cores_.at(i)->icache_rsp_ports.at(0));
for (uint32_t j = 0; j < NUM_LSU_LANES; ++j) {
cores_.at(i)->dcache_req_ports.at(j).bind(&dcaches_->CoreReqPorts.at(i).at(j));
dcaches_->CoreRspPorts.at(i).at(j).bind(&cores_.at(i)->dcache_rsp_ports.at(j));
}
}
}
Socket::~Socket() {
//--
}
void Socket::reset() {
//--
}
void Socket::tick() {
//--
}
void Socket::attach_ram(RAM* ram) {
for (auto core : cores_) {
core->attach_ram(ram);
}
}
bool Socket::running() const {
for (auto& core : cores_) {
if (core->running())
return true;
}
return false;
}
bool Socket::check_exit(Word* exitcode, bool riscv_test) const {
bool done = true;
Word exitcode_ = 0;
for (auto& core : cores_) {
Word ec;
if (core->check_exit(&ec, riscv_test)) {
exitcode_ |= ec;
} else {
done = false;
}
}
*exitcode = exitcode_;
return done;
}
void Socket::barrier(uint32_t bar_id, uint32_t count, uint32_t core_id) {
cluster_->barrier(bar_id, count, socket_id_ * cores_.size() + core_id);
}
void Socket::resume(uint32_t core_index) {
cores_.at(core_index)->resume();
}
Socket::PerfStats Socket::perf_stats() const {
Socket::PerfStats perf;
perf.icache = icaches_->perf_stats();
perf.dcache = dcaches_->perf_stats();
return perf;
}