def create_system(self):
sc = SysConfig(None, self.mem_size, None)
system = FSConfig.makeArmSystem(self.mem_mode,
self.machine_type, self.num_cpus,
sc, False, ruby=self.use_ruby)
# We typically want the simulator to panic if the kernel
# panics or oopses. This prevents the simulator from running
# an obviously failed test case until the end of time.
system.panic_on_panic = True
system.panic_on_oops = True
default_kernels = {
"VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
"VExpress_EMM64": "vmlinux.aarch64.20140821",
}
system.kernel = SysPaths.binary(default_kernels[self.machine_type])
default_dtbs = {
"VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.{}cpu.dtb" \
.format(self.num_cpus),
"VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
}
system.dtb_filename = SysPaths.binary(default_dtbs[self.machine_type])
self.init_system(system)
return system
def create_system(self):
if self.aarch64_kernel:
gem5_kernel = "vmlinux.arm64"
disk_image = "m5_exit.squashfs.arm64"
else:
gem5_kernel = "vmlinux.arm"
disk_image = "m5_exit.squashfs.arm"
default_kernels = {
"VExpress_GEM5_V1": gem5_kernel,
"VExpress_GEM5_Foundation": gem5_kernel,
}
sc = SysConfig(None, self.mem_size, [disk_image], "/dev/sda")
system = FSConfig.makeArmSystem(self.mem_mode,
self.machine_type, self.num_cpus,
sc, ruby=self.use_ruby)
# We typically want the simulator to panic if the kernel
# panics or oopses. This prevents the simulator from running
# an obviously failed test case until the end of time.
system.workload.panic_on_panic = True
system.workload.panic_on_oops = True
system.workload.object_file = SysPaths.binary(
default_kernels[self.machine_type])
self.init_system(system)
system.workload.dtb_filename = \
os.path.join(m5.options.outdir, 'system.dtb')
system.generateDtb(system.workload.dtb_filename)
return system
def create_system(self):
sc = SysConfig(None, self.mem_size, None)
system = FSConfig.makeArmSystem(self.mem_mode,
self.machine_type, self.num_cpus,
sc, False, ruby=self.use_ruby)
# We typically want the simulator to panic if the kernel
# panics or oopses. This prevents the simulator from running
# an obviously failed test case until the end of time.
system.panic_on_panic = True
system.panic_on_oops = True
default_kernels = {
"RealViewPBX": "vmlinux.arm.smp.fb.2.6.38.8",
"VExpress_EMM": "vmlinux.aarch32.ll_20131205.0-gem5",
"VExpress_EMM64": "vmlinux.aarch64.20140821",
}
system.kernel = SysPaths.binary(default_kernels[self.machine_type])
default_dtbs = {
"RealViewPBX": None,
"VExpress_EMM": "vexpress.aarch32.ll_20131205.0-gem5.{}cpu.dtb" \
.format(self.num_cpus),
"VExpress_EMM64": "vexpress.aarch64.20140821.dtb",
}
system.dtb_filename = SysPaths.binary(default_dtbs[self.machine_type])
self.init_system(system)
return system
def create(args):
# System
CpuClass, mem_mode, _ = Simulation.setCPUClass(args)
sys_cfg = Benchmarks.SysConfig(args.script, args.mem_size)
system = FSConfig.makeArmSystem(mem_mode,
"VExpress_GEM5_V2",
args.num_cpus,
sys_cfg,
bare_metal=True,
security=True)
system.voltage_domain = VoltageDomain(voltage=args.sys_voltage)
system.clk_domain = SrcClockDomain(clock=args.sys_clock,
voltage_domain=system.voltage_domain)
system.highest_el_is_64 = True
system.have_virtualization = True
system.workload.object_file = args.kernel
# CPU cluster
system.cpu_voltage_domain = VoltageDomain()
system.cpu_clk_domain = SrcClockDomain(
clock=args.cpu_clock, voltage_domain=system.cpu_voltage_domain)
system.cpu = [
CpuClass(clk_domain=system.cpu_clk_domain, cpu_id=i)
for i in range(args.num_cpus)
]
for cpu in system.cpu:
cpu.createThreads()
# (gem5 v20.1) Disable FEAT_VHE, prevents booting
features = cpu.isa[0].id_aa64mmfr1_el1.getValue()
cpu.isa[0].id_aa64mmfr1_el1 = features & ~0xf00
CacheConfig.config_cache(args, system)
# Devices
system.realview.atp_adapter = ProfileGen(config_files=args.atp_file,
exit_when_done=False,
init_only=True,
disable_watchdog=True,
disable_mem_check=True)
system.realview.atp_device = ATPDevice(pio_addr=0x2b500000,
interrupt=ArmSPI(num=104),
atp_id="STREAM")
system.realview.attachSmmu([system.realview.atp_device], system.membus)
# (gem5 v20.1) Ensure 128 CMDQ entries for compatibility from Linux v5.4
system.realview.smmu.smmu_idr1 = 0x00E00000
# (gem5 v20.2+) Enable SMMUv3 interrupt interface to boot Linux
if hasattr(system.realview.smmu, "irq_interface_enable"):
system.realview.smmu.irq_interface_enable = True
connect_adapter(system.realview.atp_adapter, system.realview.smmu)
if args.disk_image:
system.disk = [
PciVirtIO(vio=VirtIOBlock(image=create_cow_image(disk)))
for disk in args.disk_image
]
for disk in system.disk:
system.realview.attachPciDevice(disk, system.iobus)
# Memory
MemConfig.config_mem(args, system)
return system
def create_system(self):
sc = SysConfig(None, self.mem_size, None)
system = FSConfig.makeArmSystem(self.mem_mode, self.machine_type,
self.num_cpus, sc, False)
# We typically want the simulator to panic if the kernel
# panics or oopses. This prevents the simulator from running
# an obviously failed test case until the end of time.
system.panic_on_panic = True
system.panic_on_oops = True
self.init_system(system)
return system
def create_system(self):
sc = SysConfig(None, self.mem_size, None)
system = FSConfig.makeArmSystem(self.mem_mode,
self.machine_type, self.num_cpus,
sc, False)
# We typically want the simulator to panic if the kernel
# panics or oopses. This prevents the simulator from running
# an obviously failed test case until the end of time.
system.panic_on_panic = True
system.panic_on_oops = True
self.init_system(system)
return system
