I am trying to simulate my own CPU with a simple configuration. I am
following the guidelines given in the document titled ‘Defining CPU Models
stable tree v6230’. When I try to build the CPU with the command
Scons build/MIPS_SE/m5.debug CPU_MODEL=MyCPU
the build stops after giving the following error
scons: Reading SConscript files ...
.hg directory not found
Checking for leading underscore in global variables...(cached) no
Checking for C header file Python.h... (cached) yes
Checking for C library pthread... (cached) yes
Checking for C library dl... (cached) yes
Checking for C library util... (cached) yes
Checking for C library m... (cached) yes
Checking for C library python2.6... (cached) yes
Checking for accept(0,0,0) in C++ library None... (cached) yes
Checking for zlibVersion() in C++ library z... (cached) yes
Checking for C header file fenv.h... (cached) yes
Reading /home/ali/m5/m5-stable-f299139501f7/src/mem/protocol/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/mem/ruby/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/mips/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/arm/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/alpha/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/power/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/x86/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/arch/sparc/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/ozone/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/simple/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/inorder/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/o3/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/checker/SConsopts
Reading /home/ali/m5/m5-stable-f299139501f7/src/cpu/mycpu/SConsopts
NameError: name 'all_cpu_list' is not defined:
File "/home/ali/m5/m5-stable-f299139501f7/SConstruct", line 672:
SConscript(joinpath(root, 'SConsopts'))
File "/usr/local/lib/scons-1.3.1/SCons/Script/SConscript.py", line 616:
return apply(method, args, kw)
File "/usr/local/lib/scons-1.3.1/SCons/Script/SConscript.py", line 553:
return apply(_SConscript, [self.fs,] + files, subst_kw)
File "/usr/local/lib/scons-1.3.1/SCons/Script/SConscript.py", line 262:
exec _file_ in call_stack[-1].globals
File "/home/ali/m5/m5-stable-f299139501f7/src/cpu/mycpu/SConsopts", line
33:
all_cpu_list.append('MyCPU')
Can some one please help me and tell me where the problem is and how can I
get over it?
Thanks in advance.
Hasina Khatoon
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