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NoMaliGpu Class Reference

#include <gpu_nomali.hh>

Inheritance diagram for NoMaliGpu:
PioDevice MemObject ClockedObject SimObject Clocked EventManager Serializable Drainable CustomNoMaliGpu

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 Paramsparams () const
 
virtual BaseSlavePortgetSlavePort (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 Paramsparams () const
 
 MemObject (const Params *params)
 
virtual BaseMasterPortgetMasterPort (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 Paramsparams () 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 Paramsparams () 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...
 
ProbeManagergetProbeManager ()
 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)
 
EventQueueeventQueue () 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
 
Clockedoperator= (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
Systemsys
 
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
EventQueueeventq
 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 SimObjectfind (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
 

Detailed Description

Definition at line 52 of file gpu_nomali.hh.

Constructor & Destructor Documentation

NoMaliGpu::NoMaliGpu ( const NoMaliGpuParams *  p)

Definition at line 57 of file gpu_nomali.cc.

NoMaliGpu::~NoMaliGpu ( )
virtual

Definition at line 109 of file gpu_nomali.cc.

References nomali.

Member Function Documentation

void NoMaliGpu::_interrupt ( nomali_handle_t  h,
void *  usr,
nomali_int_t  intno,
int  set 
)
staticprivate

Interrupt callback from the NoMali library.

This method calls onInterrupt() on the NoMaliGpu owning this device.

Parameters
hNoMali library handle.
usrPointer to an instance of the NoMaliGpu
intnoGPU interrupt type
setWas the interrupt raised (1) or lowered (0)?

Definition at line 309 of file gpu_nomali.cc.

References onInterrupt().

void NoMaliGpu::_reset ( nomali_handle_t  h,
void *  usr 
)
staticprivate

Reset callback from the NoMali library.

This method calls onReset() on the NoMaliGpu owning this device.

Parameters
hNoMali library handle.
usrPointer to an instance of the NoMaliGpu

Definition at line 318 of file gpu_nomali.cc.

References onReset().

AddrRangeList NoMaliGpu::getAddrRanges ( ) const
overridevirtual

Every PIO device is obliged to provide an implementation that returns the address ranges the device responds to.

Returns
a list of non-overlapping address ranges

Implements PioDevice.

Definition at line 191 of file gpu_nomali.cc.

References nomaliInfo, pioAddr, and RangeSize().

void NoMaliGpu::gpuPanic ( nomali_error_t  err,
const char *  msg 
)
staticprotected

Format a NoMali error into an error message and panic.

Parameters
errError code from the NoMali library.
msgMessage to print.

Definition at line 266 of file gpu_nomali.cc.

References panic.

Referenced by panicOnErr().

void NoMaliGpu::init ( )
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().

bool NoMaliGpu::intState ( nomali_int_t  intno)
protected

Wrapper around nomali_int_state()

Parameters
intnoInterrupt number
Returns
True if asserted, false otherwise.

Definition at line 255 of file gpu_nomali.cc.

References nomali, and panicOnErr().

void NoMaliGpu::onInterrupt ( nomali_int_t  intno,
bool  set 
)
protectedvirtual

Interrupt callback from the NoMali library.

This method is called whenever there is an interrupt state change.

Parameters
intnoInterrupt number
setTrue 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().

void NoMaliGpu::onReset ( )
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().

static void NoMaliGpu::panicOnErr ( nomali_error_t  err,
const char *  msg 
)
inlinestaticprotected

Panic if the NoMali returned an error, do nothing otherwise.

Parameters
errError code from the NoMali library.
msgMessage 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().

Tick NoMaliGpu::read ( PacketPtr  pkt)
overridevirtual

Pure virtual function that the device must implement.

Called when a read command is recieved by the port.

Parameters
pktPacket describing this request
Returns
number of ticks it took to complete

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().

uint32_t NoMaliGpu::readReg ( nomali_addr_t  reg)
protected

Wrapper around nomali_reg_read().

Definition at line 207 of file gpu_nomali.cc.

References DPRINTF, nomali, and panicOnErr().

Referenced by read().

uint32_t NoMaliGpu::readRegRaw ( nomali_addr_t  reg) const
protected

Wrapper around nomali_reg_read_raw().

Definition at line 234 of file gpu_nomali.cc.

References nomali, and panicOnErr().

Referenced by serialize().

void NoMaliGpu::reset ( )
protected

Wrapper around nomali_reset().

Definition at line 197 of file gpu_nomali.cc.

References DPRINTF, nomali, and panicOnErr().

Referenced by init().

void NoMaliGpu::serialize ( CheckpointOut cp) const
overridevirtual

Serialize an object.

Output an object's state into the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 127 of file gpu_nomali.cc.

References ArmISA::i, nomaliInfo, readRegRaw(), and SERIALIZE_CONTAINER.

void NoMaliGpu::setCallback ( const nomali_callback_t &  callback)
private

Wrapper around nomali_set_callback()

Definition at line 298 of file gpu_nomali.cc.

References DPRINTF, nomali, and panicOnErr().

void NoMaliGpu::unserialize ( CheckpointIn cp)
overridevirtual

Unserialize an object.

Read an object's state from the current checkpoint section.

Parameters
cpCheckpoint state

Implements Serializable.

Definition at line 138 of file gpu_nomali.cc.

References ArmISA::i, nomaliInfo, UNSERIALIZE_CONTAINER, and writeRegRaw().

Tick NoMaliGpu::write ( PacketPtr  pkt)
overridevirtual

Pure virtual function that the device must implement.

Called when a write command is recieved by the port.

Parameters
pktPacket describing this request
Returns
number of ticks it took to complete

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().

void NoMaliGpu::writeReg ( nomali_addr_t  reg,
uint32_t  value 
)
protected

Wrapper around nomali_reg_write().

Definition at line 223 of file gpu_nomali.cc.

References DPRINTF, nomali, and panicOnErr().

Referenced by write().

void NoMaliGpu::writeRegRaw ( nomali_addr_t  reg,
uint32_t  value 
)
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().

Member Data Documentation

const std::map<nomali_int_t, uint32_t> NoMaliGpu::interruptMap
protected

Map between NoMali interrupt types and actual GIC interrupts.

Definition at line 180 of file gpu_nomali.hh.

Referenced by onInterrupt().

nomali_handle_t NoMaliGpu::nomali
protected

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().

nomali_info_t NoMaliGpu::nomaliInfo
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().

const Addr NoMaliGpu::pioAddr
protected

Device base address.

Definition at line 173 of file gpu_nomali.hh.

Referenced by getAddrRanges(), read(), and write().

RealView* const NoMaliGpu::platform
protected

Platform, used to discover GIC.

Definition at line 176 of file gpu_nomali.hh.

Referenced by onInterrupt().


The documentation for this class was generated from the following files:

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