gem5
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#include <gpu_nomali.hh>
Public Member Functions | |
NoMaliGpu (const NoMaliGpuParams *p) | |
virtual | ~NoMaliGpu () |
void | init () override |
init() is called after all C++ SimObjects have been created and all ports are connected. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Tick | read (PacketPtr pkt) override |
Pure virtual function that the device must implement. More... | |
Tick | write (PacketPtr pkt) override |
Pure virtual function that the device must implement. More... | |
AddrRangeList | getAddrRanges () const override |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to. More... | |
Public Member Functions inherited from PioDevice | |
PioDevice (const Params *p) | |
virtual | ~PioDevice () |
const Params * | params () const |
virtual BaseSlavePort & | getSlavePort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a slave port with a given name and index. More... | |
Public Member Functions inherited from MemObject | |
const Params * | params () const |
MemObject (const Params *params) | |
virtual BaseMasterPort & | getMasterPort (const std::string &if_name, PortID idx=InvalidPortID) |
Get a master port with a given name and index. More... | |
Public Member Functions inherited from ClockedObject | |
ClockedObject (const ClockedObjectParams *p) | |
const Params * | params () const |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Enums::PwrState | pwrState () const |
std::string | pwrStateName () const |
std::vector< double > | pwrStateWeights () const |
Returns the percentage residency for each power state. More... | |
void | computeStats () |
Record stats values like state residency by computing the time difference from previous update. More... | |
void | pwrState (Enums::PwrState) |
void | regStats () override |
Register statistics for this object. More... | |
Public Member Functions inherited from SimObject | |
const Params * | params () const |
SimObject (const Params *_params) | |
virtual | ~SimObject () |
virtual const std::string | name () const |
virtual void | loadState (CheckpointIn &cp) |
loadState() is called on each SimObject when restoring from a checkpoint. More... | |
virtual void | initState () |
initState() is called on each SimObject when not restoring from a checkpoint. More... | |
virtual void | resetStats () |
Reset statistics associated with this object. More... | |
virtual void | regProbePoints () |
Register probe points for this object. More... | |
virtual void | regProbeListeners () |
Register probe listeners for this object. More... | |
ProbeManager * | getProbeManager () |
Get the probe manager for this object. More... | |
virtual void | startup () |
startup() is the final initialization call before simulation. More... | |
DrainState | drain () override |
Provide a default implementation of the drain interface for objects that don't need draining. More... | |
virtual void | memWriteback () |
Write back dirty buffers to memory using functional writes. More... | |
virtual void | memInvalidate () |
Invalidate the contents of memory buffers. More... | |
void | serialize (CheckpointOut &cp) const override |
Serialize an object. More... | |
void | unserialize (CheckpointIn &cp) override |
Unserialize an object. More... | |
Public Member Functions inherited from EventManager | |
EventManager (EventManager &em) | |
EventManager (EventManager *em) | |
EventManager (EventQueue *eq) | |
EventQueue * | eventQueue () const |
void | schedule (Event &event, Tick when) |
void | deschedule (Event &event) |
void | reschedule (Event &event, Tick when, bool always=false) |
void | schedule (Event *event, Tick when) |
void | deschedule (Event *event) |
void | reschedule (Event *event, Tick when, bool always=false) |
void | wakeupEventQueue (Tick when=(Tick)-1) |
void | setCurTick (Tick newVal) |
Public Member Functions inherited from Serializable | |
Serializable () | |
virtual | ~Serializable () |
void | serializeSection (CheckpointOut &cp, const char *name) const |
Serialize an object into a new section. More... | |
void | serializeSection (CheckpointOut &cp, const std::string &name) const |
void | unserializeSection (CheckpointIn &cp, const char *name) |
Unserialize an a child object. More... | |
void | unserializeSection (CheckpointIn &cp, const std::string &name) |
Public Member Functions inherited from Drainable | |
DrainState | drainState () const |
Return the current drain state of an object. More... | |
virtual void | notifyFork () |
Notify a child process of a fork. More... | |
Public Member Functions inherited from Clocked | |
void | updateClockPeriod () const |
Update the tick to the current tick. More... | |
Tick | clockEdge (Cycles cycles=Cycles(0)) const |
Determine the tick when a cycle begins, by default the current one, but the argument also enables the caller to determine a future cycle. More... | |
Cycles | curCycle () const |
Determine the current cycle, corresponding to a tick aligned to a clock edge. More... | |
Tick | nextCycle () const |
Based on the clock of the object, determine the start tick of the first cycle that is at least one cycle in the future. More... | |
uint64_t | frequency () const |
Tick | clockPeriod () const |
double | voltage () const |
Cycles | ticksToCycles (Tick t) const |
Tick | cyclesToTicks (Cycles c) const |
Protected Member Functions | |
API wrappers | |
void | reset () |
Wrapper around nomali_reset(). More... | |
uint32_t | readReg (nomali_addr_t reg) |
Wrapper around nomali_reg_read(). More... | |
void | writeReg (nomali_addr_t reg, uint32_t value) |
Wrapper around nomali_reg_write(). More... | |
uint32_t | readRegRaw (nomali_addr_t reg) const |
Wrapper around nomali_reg_read_raw(). More... | |
void | writeRegRaw (nomali_addr_t reg, uint32_t value) |
Wrapper around nomali_reg_write_raw(). More... | |
bool | intState (nomali_int_t intno) |
Wrapper around nomali_int_state() More... | |
Callbacks | |
virtual void | onInterrupt (nomali_int_t intno, bool set) |
Interrupt callback from the NoMali library. More... | |
virtual void | onReset () |
Reset callback from the NoMali library. More... | |
Protected Member Functions inherited from Drainable | |
Drainable () | |
virtual | ~Drainable () |
virtual void | drainResume () |
Resume execution after a successful drain. More... | |
void | signalDrainDone () const |
Signal that an object is drained. More... | |
Protected Member Functions inherited from Clocked | |
Clocked (ClockDomain &clk_domain) | |
Create a clocked object and set the clock domain based on the parameters. More... | |
Clocked (Clocked &)=delete | |
Clocked & | operator= (Clocked &)=delete |
virtual | ~Clocked () |
Virtual destructor due to inheritance. More... | |
void | resetClock () const |
Reset the object's clock using the current global tick value. More... | |
Static Protected Member Functions | |
static void | gpuPanic (nomali_error_t err, const char *msg) M5_ATTR_NORETURN |
Format a NoMali error into an error message and panic. More... | |
static void | panicOnErr (nomali_error_t err, const char *msg) |
Panic if the NoMali returned an error, do nothing otherwise. More... | |
Protected Attributes | |
const Addr | pioAddr |
Device base address. More... | |
RealView *const | platform |
Platform, used to discover GIC. More... | |
const std::map< nomali_int_t, uint32_t > | interruptMap |
Map between NoMali interrupt types and actual GIC interrupts. More... | |
nomali_info_t | nomaliInfo |
Cached information struct from the NoMali library. More... | |
nomali_handle_t | nomali |
Handle of a NoMali library instance. More... | |
Protected Attributes inherited from PioDevice | |
System * | sys |
PioPort | pioPort |
The pioPort that handles the requests for us and provides us requests that it sees. More... | |
Protected Attributes inherited from ClockedObject | |
Enums::PwrState | _currPwrState |
To keep track of the current power state. More... | |
Tick | prvEvalTick |
Stats::Scalar | numPwrStateTransitions |
Stats::Distribution | pwrStateClkGateDist |
Stats::Vector | pwrStateResidencyTicks |
Protected Attributes inherited from SimObject | |
const SimObjectParams * | _params |
Cached copy of the object parameters. More... | |
Protected Attributes inherited from EventManager | |
EventQueue * | eventq |
A pointer to this object's event queue. More... | |
Private Member Functions | |
void | setCallback (const nomali_callback_t &callback) |
Wrapper around nomali_set_callback() More... | |
Static Private Member Functions | |
static void | _interrupt (nomali_handle_t h, void *usr, nomali_int_t intno, int set) |
Interrupt callback from the NoMali library. More... | |
static void | _reset (nomali_handle_t h, void *usr) |
Reset callback from the NoMali library. More... | |
Additional Inherited Members | |
Public Types inherited from PioDevice | |
typedef PioDeviceParams | Params |
Public Types inherited from MemObject | |
typedef MemObjectParams | Params |
Public Types inherited from ClockedObject | |
typedef ClockedObjectParams | Params |
Parameters of ClockedObject. More... | |
Public Types inherited from SimObject | |
typedef SimObjectParams | Params |
Static Public Member Functions inherited from SimObject | |
static void | serializeAll (CheckpointOut &cp) |
Serialize all SimObjects in the system. More... | |
static SimObject * | find (const char *name) |
Find the SimObject with the given name and return a pointer to it. More... | |
Static Public Member Functions inherited from Serializable | |
static const std::string & | currentSection () |
Get the fully-qualified name of the active section. More... | |
static void | serializeAll (const std::string &cpt_dir) |
static void | unserializeGlobals (CheckpointIn &cp) |
Static Public Attributes inherited from Serializable | |
static int | ckptCount = 0 |
static int | ckptMaxCount = 0 |
static int | ckptPrevCount = -1 |
Definition at line 52 of file gpu_nomali.hh.
NoMaliGpu::NoMaliGpu | ( | const NoMaliGpuParams * | p | ) |
Definition at line 57 of file gpu_nomali.cc.
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virtual |
Definition at line 109 of file gpu_nomali.cc.
References nomali.
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staticprivate |
Interrupt callback from the NoMali library.
This method calls onInterrupt() on the NoMaliGpu owning this device.
h | NoMali library handle. |
usr | Pointer to an instance of the NoMaliGpu |
intno | GPU interrupt type |
set | Was the interrupt raised (1) or lowered (0)? |
Definition at line 309 of file gpu_nomali.cc.
References onInterrupt().
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staticprivate |
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overridevirtual |
Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.
Implements PioDevice.
Definition at line 191 of file gpu_nomali.cc.
References nomaliInfo, pioAddr, and RangeSize().
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staticprotected |
Format a NoMali error into an error message and panic.
err | Error code from the NoMali library. |
msg | Message to print. |
Definition at line 266 of file gpu_nomali.cc.
References panic.
Referenced by panicOnErr().
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overridevirtual |
init() is called after all C++ SimObjects have been created and all ports are connected.
Initializations that are independent of unserialization but rely on a fully instantiated and connected SimObject graph should be done here.
Reimplemented from PioDevice.
Definition at line 116 of file gpu_nomali.cc.
References PioDevice::init(), and reset().
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protected |
Wrapper around nomali_int_state()
intno | Interrupt number |
Definition at line 255 of file gpu_nomali.cc.
References nomali, and panicOnErr().
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protectedvirtual |
Interrupt callback from the NoMali library.
This method is called whenever there is an interrupt state change.
intno | Interrupt number |
set | True is the interrupt is being asserted, false otherwise. |
Definition at line 273 of file gpu_nomali.cc.
References BaseGic::clearInt(), DPRINTF, RealView::gic, interruptMap, panic, platform, and BaseGic::sendInt().
Referenced by _interrupt().
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protectedvirtual |
Reset callback from the NoMali library.
This method is called whenever the GPU is reset through the register interface or the API (reset() or nomali_reset()).
Reimplemented in CustomNoMaliGpu.
Definition at line 292 of file gpu_nomali.cc.
References DPRINTF.
Referenced by _reset(), and CustomNoMaliGpu::onReset().
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inlinestaticprotected |
Panic if the NoMali returned an error, do nothing otherwise.
err | Error code from the NoMali library. |
msg | Message to print when panicking. |
Definition at line 111 of file gpu_nomali.hh.
References gpuPanic().
Referenced by intState(), readReg(), readRegRaw(), reset(), setCallback(), writeReg(), and writeRegRaw().
Pure virtual function that the device must implement.
Called when a read command is recieved by the port.
pkt | Packet describing this request |
Implements PioDevice.
Definition at line 149 of file gpu_nomali.cc.
References addr, Packet::getAddr(), Packet::getSize(), Packet::makeResponse(), nomaliInfo, panic, pioAddr, readReg(), Packet::set(), and X86ISA::size().
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protected |
Wrapper around nomali_reg_read().
Definition at line 207 of file gpu_nomali.cc.
References DPRINTF, nomali, and panicOnErr().
Referenced by read().
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protected |
Wrapper around nomali_reg_read_raw().
Definition at line 234 of file gpu_nomali.cc.
References nomali, and panicOnErr().
Referenced by serialize().
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Wrapper around nomali_reset().
Definition at line 197 of file gpu_nomali.cc.
References DPRINTF, nomali, and panicOnErr().
Referenced by init().
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overridevirtual |
Serialize an object.
Output an object's state into the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 127 of file gpu_nomali.cc.
References ArmISA::i, nomaliInfo, readRegRaw(), and SERIALIZE_CONTAINER.
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private |
Wrapper around nomali_set_callback()
Definition at line 298 of file gpu_nomali.cc.
References DPRINTF, nomali, and panicOnErr().
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overridevirtual |
Unserialize an object.
Read an object's state from the current checkpoint section.
cp | Checkpoint state |
Implements Serializable.
Definition at line 138 of file gpu_nomali.cc.
References ArmISA::i, nomaliInfo, UNSERIALIZE_CONTAINER, and writeRegRaw().
Pure virtual function that the device must implement.
Called when a write command is recieved by the port.
pkt | Packet describing this request |
Implements PioDevice.
Definition at line 170 of file gpu_nomali.cc.
References addr, Packet::get(), Packet::getAddr(), Packet::getSize(), Packet::makeAtomicResponse(), nomaliInfo, panic, pioAddr, X86ISA::size(), and writeReg().
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protected |
Wrapper around nomali_reg_write().
Definition at line 223 of file gpu_nomali.cc.
References DPRINTF, nomali, and panicOnErr().
Referenced by write().
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protected |
Wrapper around nomali_reg_write_raw().
Definition at line 247 of file gpu_nomali.cc.
References nomali, and panicOnErr().
Referenced by CustomNoMaliGpu::onReset(), and unserialize().
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Map between NoMali interrupt types and actual GIC interrupts.
Definition at line 180 of file gpu_nomali.hh.
Referenced by onInterrupt().
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Handle of a NoMali library instance.
Definition at line 186 of file gpu_nomali.hh.
Referenced by intState(), readReg(), readRegRaw(), reset(), setCallback(), writeReg(), writeRegRaw(), and ~NoMaliGpu().
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protected |
Cached information struct from the NoMali library.
Definition at line 183 of file gpu_nomali.hh.
Referenced by getAddrRanges(), read(), serialize(), unserialize(), and write().
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Device base address.
Definition at line 173 of file gpu_nomali.hh.
Referenced by getAddrRanges(), read(), and write().
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protected |
Platform, used to discover GIC.
Definition at line 176 of file gpu_nomali.hh.
Referenced by onInterrupt().