1 from m5
.SimObject
import SimObject
2 from m5
.params
import *
4 from m5
import build_env
5 from PhysicalMemory
import *
7 class MemoryMode(Enum
): vals
= ['invalid', 'atomic', 'timing']
9 class System(SimObject
):
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")
22 class AlphaSystem(System
):
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")
29 class SparcSystem(System
):
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")
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")
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")
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")