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38 from m5
.params
import *
39 from m5
.SimObject
import *
41 from System
import System
43 class ArmMachineType(Enum
):
47 'VExpress_EMM' : 2272,
48 'VExpress_EMM64' : 2272,
52 class ArmSystem(System
):
54 cxx_header
= "arch/arm/system.hh"
55 load_addr_mask
= 0xffffffff
56 multi_proc
= Param
.Bool(True, "Multiprocessor system?")
57 boot_loader
= VectorParam
.String([],
58 "File that contains the boot loader code. Zero or more files may be "
59 "specified. The first boot loader that matches the kernel's "
60 "architecture will be used.")
61 gic_cpu_addr
= Param
.Addr(0, "Addres of the GIC CPU interface")
62 flags_addr
= Param
.Addr(0, "Address of the flags register for MP booting")
63 have_security
= Param
.Bool(False,
64 "True if Security Extensions are implemented")
65 have_virtualization
= Param
.Bool(False,
66 "True if Virtualization Extensions are implemented")
67 have_lpae
= Param
.Bool(True, "True if LPAE is implemented")
68 highest_el_is_64
= Param
.Bool(False,
69 "True if the register width of the highest implemented exception level "
71 reset_addr_64
= Param
.Addr(0x0,
72 "Reset address if the highest implemented exception level is 64 bits "
74 phys_addr_range_64
= Param
.UInt8(40,
75 "Supported physical address range in bits when using AArch64 (ARMv8)")
76 have_large_asid_64
= Param
.Bool(False,
77 "True if ASID is 16 bits in AArch64 (ARMv8)")
79 m5ops_base
= Param
.Addr(0,
80 "Base of the 64KiB PA range used for memory-mapped m5ops. Set to 0 "
83 class GenericArmSystem(ArmSystem
):
84 type = 'GenericArmSystem'
85 cxx_header
= "arch/arm/system.hh"
86 load_addr_mask
= 0x0fffffff
87 machine_type
= Param
.ArmMachineType('VExpress_EMM',
88 "Machine id from http://www.arm.linux.org.uk/developer/machines/")
89 atags_addr
= Param
.Addr("Address where default atags structure should " \
91 dtb_filename
= Param
.String("",
92 "File that contains the Device Tree Blob. Don't use DTB if empty.")
93 early_kernel_symbols
= Param
.Bool(False,
94 "enable early kernel symbol tables before MMU")
95 enable_context_switch_stats_dump
= Param
.Bool(False, "enable stats/task info dumping at context switch boundaries")
97 panic_on_panic
= Param
.Bool(False, "Trigger a gem5 panic if the " \
98 "guest kernel panics")
99 panic_on_oops
= Param
.Bool(False, "Trigger a gem5 panic if the " \
100 "guest kernel oopses")
102 class LinuxArmSystem(GenericArmSystem
):
103 type = 'LinuxArmSystem'
104 cxx_header
= "arch/arm/linux/system.hh"
108 """Dump dmesg from the simulated kernel to standard out"""
111 class FreebsdArmSystem(GenericArmSystem
):
112 type = 'FreebsdArmSystem'
113 cxx_header
= "arch/arm/freebsd/system.hh"