diff options
Diffstat (limited to 'src/learning_gem5/part2/simple_object.cc')
-rw-r--r-- | src/learning_gem5/part2/simple_object.cc | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/src/learning_gem5/part2/simple_object.cc b/src/learning_gem5/part2/simple_object.cc index f340f1327..76dadf9c8 100644 --- a/src/learning_gem5/part2/simple_object.cc +++ b/src/learning_gem5/part2/simple_object.cc @@ -32,12 +32,63 @@ #include <iostream> +#include "mem/packet.hh" +#include "mem/request.hh" +#include "sim/system.hh" + SimpleObject::SimpleObject(SimpleObjectParams *params) : - SimObject(params) + SimObject(params), + masterId(params->system->getMasterId(this)), + memPort(params->name + ".mem_side", this), + isread(params->isread), + event([this] { processEvent(); }, name() + ".event") { std::cout << "Hello World! From a SimObject!" << std::endl; } +void SimpleObject::processEvent() +{ + readAtomic(); +} + +void SimpleObject::readAtomic() +{ + uint32_t val = 0; + + RequestPtr req = std::make_shared<Request>(0x200000, 4, 0, masterId); + PacketPtr pkt = Packet::createRead(req); + + pkt->dataStatic(&val); + // pkt->setData((const uint8_t *)&x); + + Tick t = memPort.sendAtomic(pkt); + std::cout << "sendAtomic read " << t << " ticks." << std::endl; + std::cout << "read value 0x" << std::hex << val << std::endl; +} + +void SimpleObject::writeAtomic() +{ + RequestPtr req = std::make_shared<Request>(0x200000, 4, 0, masterId); + PacketPtr pkt = Packet::createWrite(req); + + uint32_t x = 0xdeadbeef; + pkt->dataStatic(&x); + // pkt->setData((const uint8_t *)&x); + + Tick t = memPort.sendAtomic(pkt); + std::cout << "sendAtomic write " << t << " ticks." << std::endl; +} + +void SimpleObject::startup() +{ + if (!isread) { + writeAtomic(); + } else { + schedule(event, 40000); + } + +} + SimpleObject* SimpleObjectParams::create() { |