class LupioBLK(DmaDevice):
type = 'LupioBLK'
cxx_class = 'gem5::LupioBLK'
cxx_header = 'dev/lupio/lupio_blk.hh'
pio_size = Param.Addr(0x1000, "PIO Size")
image = Param.DiskImage("Disk image")
pio_addr = Param.Addr("Device Address")
latency = Param.Latency('0ns', "DMA Device Latency")
platform = Param.Platform(Parent.any, "Platform this device is part of.")
int_id = Param.Int("Interrupt ID for the PIC to use")
class LupioIPI(BasicPioDevice):
type = 'LupioIPI'
cxx_class='gem5::LupioIPI'
cxx_header = 'dev/lupio/lupio_ipi.hh'
pio_size = Param.Addr(0x1000, "PIO Size")
int_type = Param.Int("Type of interrupt")
num_threads = Param.Int("Number of threads")
class LupioTMR(BasicPioDevice):
type = 'LupioTMR'
cxx_class = 'gem5::LupioTMR'
cxx_header = 'dev/lupio/lupio_tmr.hh'
pio_size = Param.Addr(0x1000, "PIO Size")
num_threads = Param.Int("Number of threads in the system.")
int_type = Param.Int("Type of interrupt.")
class GenericTimerMem(PioDevice):
"""
System level implementation. It provides three main components:
- Memory-mapped counter module: controls the system timer through the
CNTControlBase frame, and provides its value through the CNTReadBase frame
- Memory-mapped timer control module: controls the memory-mapped timers
- Memory-mapped timers: implementations of the GenericTimer for system
peripherals
Reference:
Arm ARM (ARM DDI 0487E.a)
I2 - System Level Implementation of the Generic Timer
"""
type = 'GenericTimerMem'
cxx_header = "dev/arm/generic_timer.hh"
cxx_class = 'gem5::GenericTimerMem'
_freq_in_dtb = False
counter = Param.SystemCounter(Parent.any, "Global system counter")
cnt_control_base = Param.Addr("CNTControlBase register frame base")
cnt_read_base = Param.Addr("CNTReadBase register frame base")
cnt_ctl_base = Param.Addr("CNTCTLBase register frame base")
# Maximum of 8 timer frames
frames = VectorParam.GenericTimerFrame([], "Memory-mapped timer frames")
def generateDeviceTree(self, state):
node = self.generateBasicPioDeviceNode(state, "timer",
self.cnt_ctl_base, 0x1000)
node.appendCompatible(["arm,armv7-timer-mem"])
node.append(state.addrCellsProperty())
node.append(state.sizeCellsProperty())
node.append(FdtProperty("ranges"))
if self._freq_in_dtb:
node.append(self.counter.unproxy(self).generateDtb())
gic = self._parent.unproxy(self).gic
for i, frame in enumerate(self.frames):
frame._frame_num = i
node.append(frame.generateDeviceTree(state, gic))
yield node
class LupioTTY(BasicPioDevice):
type = 'LupioTTY'
cxx_class = 'gem5::LupioTTY'
cxx_header = "dev/lupio/lupio_tty.hh"
terminal = Param.SerialDevice(Parent.any, "The terminal")
pio_size = Param.Addr(0x1000, "PIO size")
platform = Param.Platform(Parent.any,
"Platform this device is part of.")
int_id = Param.Int("Interrupt ID for the PIC to use")
class LupioPIC(BasicPioDevice):
type = 'LupioPIC'
cxx_class = 'gem5::LupioPIC'
cxx_header = 'dev/lupio/lupio_pic.hh'
pio_size = Param.Addr(0x1000, "PIO Size")
n_src = Param.Int("Number of interrupt sources")
num_threads = Param.Int("Number of threads")
int_type = Param.Int("Type of interrupt")
class LupioRNG(BasicPioDevice):
type = 'LupioRNG'
cxx_class='gem5::LupioRNG'
cxx_header = 'dev/lupio/lupio_rng.hh'
pio_size = Param.Addr(0x1000, "PIO Size")
seed = Param.Int(0, "Initial seed for the random number generator")
platform = Param.Platform(Parent.any,
"Platform this device is part of.")
int_id = Param.Int("Interrupt ID to be used by the PIC")
class GenericTimerFrame(PioDevice):
"""
Memory-mapped timer frame implementation. Controlled from GenericTimerMem,
may be used by peripherals without a system register interface.
Reference:
Arm ARM (ARM DDI 0487E.a)
I2.3.2 - The CNTBaseN and CNTEL0BaseN frames
"""
type = 'GenericTimerFrame'
cxx_header = "dev/arm/generic_timer.hh"
cxx_class = 'gem5::GenericTimerFrame'
_frame_num = 0
counter = Param.SystemCounter(Parent.any, "Global system counter")
cnt_base = Param.Addr("CNTBase register frame base")
cnt_el0_base = Param.Addr(MaxAddr, "CNTEL0Base register frame base")
int_phys = Param.ArmSPI("Physical Interrupt")
int_virt = Param.ArmSPI("Virtual Interrupt")
def generateDeviceTree(self, state, gic):
node = FdtNode("frame@{:08x}".format(self.cnt_base.value))
node.append(FdtPropertyWords("frame-number", self._frame_num))
ints = self.int_phys.generateFdtProperty(gic)
if self.int_virt != NULL:
ints.extend(self.int_virt.generateFdtProperty(gic))
node.append(FdtPropertyWords("interrupts", ints))
reg = state.addrCells(self.cnt_base) + state.sizeCells(0x1000)
if self.cnt_el0_base.value != MaxAddr:
reg.extend(
state.addrCells(self.cnt_el0_base) + state.sizeCells(0x1000))
node.append(FdtPropertyWords("reg", reg))
return node
class LupioRTC(BasicPioDevice):
type = 'LupioRTC'
cxx_class = 'gem5::LupioRTC'
cxx_header = 'dev/lupio/lupio_rtc.hh'
time = Param.Time('01/01/2020', "Initial system time to use")
pio_size = Param.Addr(0x1000, "PIO Size")
class LupioSYS(BasicPioDevice):
type = 'LupioSYS'
cxx_class = 'gem5::LupioSYS'
cxx_header = 'dev/lupio/lupio_sys.hh'
pio_size = Param.Addr(0x1000, "PIO Size")