Thanks a lot Ali, I found the problem and now Alpha simulation works fine.
Going back to the MIPS simulator, I still get an error when running a
HelloWorld program:
**** REAL SIMULATION ****
warn: Entering event queue @ 0. Starting simulation...
panic: Page table fault when accessing virtual address 0x1c3c
@ cycle 1500
[invoke:build/MIPS_SE/sim/faults.cc, line 66]
Program aborted at cycle 1500
Aborted
---
Thanks,
David
Ali Saidi wrote:
> In that case this panic is pretty much the exact same thing as a
> segfault when running a program without M5. My best guess is that you
> have a null pointer somewhere.
>
> Ali
>
> On Mar 12, 2008, at 11:10 AM, David Robert White wrote:
>
>> Apologies for the confusion. I've actually been trying both MIPS and
>> Alpha binaries.
>>
>> To prevent any further confusion, please ignore my original email and
>> consider only the problem with Alpha binaries.
>>
>> So, I'm trying to run an alpha binary and receiving the error:
>>
>> **** REAL SIMULATION ****
>> warn: Entering event queue @ 0. Starting simulation...
>> warn: Increasing stack size by one page.
>> panic: Tried to access unmapped address 0.
>> @ cycle 2118000
>> [invoke:build/ALPHA_SE/arch/alpha/faults.cc, line 200]
>> Program aborted at cycle 2118000
>> --
>>
>> Thanks (sorry!)
>>
>> David
>>
>>
>> Ali Saidi wrote:
>>> Hi David,
>>>
>>> There are a couple of inconsistencies here. Are you running MIPS
>>> binaries? The error below says ALPHA, so I'm a bit confused.
>>>
>>> Ali
>>>
>>> On Mar 12, 2008, at 10:52 AM, David Robert White wrote:
>>>
>>>> Hi Lisa
>>>>
>>>> Thanks for your help.
>>>>
>>>> I've used the native GCC compiler, i.e. x86 targeted, to compile m5.
>>>> I've used the cross-compiler to compile a simple C program, and
>>>> then tried to run the resulting output using m5. That's why I
>>>> needed the cross-compiler. I attempted to run it using se.py and
>>>> by supplying a "-c a.out" option to run the results of compiling my
>>>> code.
>>>>
>>>> I have managed to get a very simple "HelloWorld" program working,
>>>> but trying something more complicated now gives me:
>>>>
>>>> ---
>>>> **** REAL SIMULATION ****
>>>> warn: Entering event queue @ 0. Starting simulation...
>>>> warn: Increasing stack size by one page.
>>>> panic: Tried to access unmapped address 0.
>>>> @ cycle 2118000
>>>> [invoke:build/ALPHA_SE/arch/alpha/faults.cc, line 200]
>>>> Program aborted at cycle 2118000
>>>> ---
>>>>
>>>> Any ideas?
>>>>
>>>> David
>>>>
>>>> Lisa Hsu wrote:
>>>>> Hi David,
>>>>>
>>>>> Are you using the crosstool gcc to compile the m5.debug? You
>>>>> want m5.debug to be compiled with the native compiler, the
>>>>> crosstool is for compiling any potential binaries you woudl want
>>>>> to use during simulation. Since you're using using se.py, there's
>>>>> nothing thus far that you've needed the crosstool for.
>>>>>
>>>>> Lisa
>>>>>
>>>>> On Wed, Mar 12, 2008 at 7:32 AM, David Robert White
>>>>> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>> wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>> I'm a new user of M5 and I'm having some problems trying to get a
>>>>> basic
>>>>> "Hello World" test program running.
>>>>>
>>>>> I've used crosstool to compile GCC targeted for the MIPS
>>>>> architecture
>>>>> (without TLS), and I've compiled m5.debug for MIPS in SE mode.
>>>>>
>>>>> I compile an example program, statically linked, but when
>>>>> running M5
>>>>> using configs/example/se.py with the -c option, I receive the
>>>>> following
>>>>> output:
>>>>>
>>>>> - - -
>>>>> Global frequency set at 1000000000000 ticks per second
>>>>> 0: system.remote_gdb.listener: listening for remote gdb #0 on port
>>>>> 7000
>>>>> **** REAL SIMULATION ****
>>>>> warn: Entering event queue @ 0. Starting simulation...
>>>>> panic: Page table fault when accessing virtual address 0x1c3c
>>>>> @ cycle 1500
>>>>> [invoke:build/MIPS_SE/sim/faults.cc, line 66]
>>>>> Program aborted at cycle 1500
>>>>> Aborted
>>>>> - - -
>>>>>
>>>>> I'm probably making an elementary mistake, can anyone suggest
>>>>> what I
>>>>> might be doing wrong?
>>>>>
>>>>> Thanks
>>>>>
>>>>> David
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> _______________________________________________
>>>>> m5-users mailing list
>>>>> [email protected] <mailto:[email protected]>
>>>>> http://m5sim.org/cgi-bin/mailman/listinfo/m5-users
>>>>>
>>>>>
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>>>>>
>>>>>
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