System.py revision 3812 
1from m5.SimObject import SimObject
2from m5.params import *
3from m5.proxy import *
4from m5 import build_env
5from PhysicalMemory import *
6
7class MemoryMode(Enum): vals = ['invalid', 'atomic', 'timing']
8
9class System(SimObject):
10    type = 'System'
11    physmem = Param.PhysicalMemory(Parent.any, "phsyical memory")
12    mem_mode = Param.MemoryMode('atomic', "The mode the memory system is in")
13    if build_env['FULL_SYSTEM']:
14        boot_cpu_frequency = Param.Frequency(Self.cpu[0].clock.frequency,
15                                             "boot processor frequency")
16        init_param = Param.UInt64(0, "numerical value to pass into simulator")
17        boot_osflags = Param.String("a", "boot flags to pass to the kernel")
18        kernel = Param.String("", "file that contains the kernel code")
19        readfile = Param.String("", "file to read startup script from")
20        symbolfile = Param.String("", "file to get the symbols from")
21
22class AlphaSystem(System):
23    type = 'AlphaSystem'
24    console = Param.String("file that contains the console code")
25    pal = Param.String("file that contains palcode")
26    system_type = Param.UInt64("Type of system we are emulating")
27    system_rev = Param.UInt64("Revision of system we are emulating")
28
29class SparcSystem(System):
30    type = 'SparcSystem'
31    _rom_base = 0xfff0000000
32    _nvram_base = 0x1f11000000
33    _hypervisor_desc_base = 0x1f12080000
34    _partition_desc_base = 0x1f12000000
35    # ROM for OBP/Reset/Hypervisor
36    rom = Param.PhysicalMemory(PhysicalMemory(range = AddrRange(_rom_base, size = '8MB')),
37            "Memory to hold the ROM data")
38    # nvram
39    nvram = Param.PhysicalMemory(
40            PhysicalMemory(range = AddrRange(_nvram_base, size = '8kB')),
41            "Memory to hold the nvram data")
42    # hypervisor description
43    hypervisor_desc = Param.PhysicalMemory(
44            PhysicalMemory(range = AddrRange(_hypervisor_desc_base, size = '8kB')),
45            "Memory to hold the hypervisor description")
46    # partition description
47    partition_desc = Param.PhysicalMemory(
48            PhysicalMemory(range = AddrRange(_partition_desc_base, size = '8kB')),
49            "Memory to hold the partition description")
50
51    reset_addr = Param.Addr(_rom_base, "Address to load ROM at")
52    hypervisor_addr = Param.Addr(Addr('64kB') + _rom_base,
53                                 "Address to load hypervisor at")
54    openboot_addr = Param.Addr(Addr('512kB') + _rom_base,
55                               "Address to load openboot at")
56    nvram_addr = Param.Addr(_nvram_base, "Address to put the nvram")
57    hypervisor_desc_addr = Param.Addr(_hypervisor_desc_base,
58            "Address for the hypervisor description")
59    partition_desc_addr = Param.Addr(_partition_desc_base,
60            "Address for the partition description")
61
62    reset_bin = Param.String("file that contains the reset code")
63    hypervisor_bin = Param.String("file that contains the hypervisor code")
64    openboot_bin = Param.String("file that contains the openboot code")
65    nvram_bin = Param.String("file that contains the contents of nvram")
66    hypervisor_desc_bin = Param.String("file that contains the hypervisor description")
67    partition_desc_bin = Param.String("file that contains the partition description")
68
69