Yeah, I saw that. You're supposed to get MIPS to work by hooking up the llseek system call with the files I showed you.
Gabe On 07/13/11 06:55, xxx wrote: > The following is the output of the error when I run openJPEG on > MIPS_SE. But, when I run openGPEG on ALPHA_SE, and ARM_SE, it can work > correctly on both of them. > > ----------------------------------------------------------------------------------------------------------------------------------- > [linjiah@localhost gem5]$ ./build/MIPS_SE/gem5.opt > configs/example/se.py --cmd ./benchmark/image_to_j2k --options="-i > ./benchmark/Bretagne1.bmp -o ./benchmark/Bretagne1.j2k" > gem5 Simulator System. http://gem5.org <http://gem5.org/> > gem5 is copyrighted software; use the --copyright option for details. > > gem5 compiled Jul 10 2011 22:59:59 > gem5 started Jul 11 2011 23:07:37 > gem5 executing on localhost.localdomain > command line: ./build/MIPS_SE/gem5.opt configs/example/se.py --cmd > ./benchmark/image_to_j2k --options=-i ./benchmark/Bretagne1.bmp -o > ./benchmark/Bretagne1.j2k > Global frequency set at 1000000000000 ticks per second > 0: system.remote_gdb.listener: listening for remote gdb #0 on port 7000 > **** REAL SIMULATION **** > info: Entering event queue @ 0. Starting simulation... > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > > warn: Syscall: open: cannot decode flags 0x2000 > fatal: syscall llseek (#4140) unimplemented. > @ cycle 29788500 > [unimplementedFunc:build/MIPS_SE/sim/syscall_emul.cc, line 83] > Memory Usage: 696248 KBytes > [linjiah@localhost gem5]$ > -------------------------------------------------------------------------------------------------------------------------------- > > Thanks. > L.J > > > > > On Wed, Jul 13, 2011 at 12:57 AM, Gabriel Michael Black > <[email protected] <mailto:[email protected]>> wrote: > > Why couldn't it work? > > > Gabe > > Quoting xxx <[email protected] <mailto:[email protected]>>: > > I cross-compiled openJPEG for gem5/MIPS_SE, gem5/ALPHA_SE, > gem5/ARM_SE > respectively. > It can work well on ALPHA_SE, and ARM_SE rather than MIPS_SE. > Does it mean that the system call (llseek) has been > implemented in ALPHA_SE > and ARM_SE, but MIPS_SE? > It seems not. But, I don't know why it can work on MIPS_SE. > > > > > > > > On Tue, Jul 12, 2011 at 7:06 PM, Gabriel Michael Black < > [email protected] <mailto:[email protected]>> wrote: > > Oh, also, once you get this working, please submit a patch > to review board. > It looks like it should be really easy to hook up and > you'll get to try out > contributing some code. > > Gabe > > > Quoting Gabriel Michael Black <[email protected] > <mailto:[email protected]>>: > > Looking at these files will get you started: > > > http://repo.m5sim.org/gem5/**file/82ff928182c5/src/arch/** > > mips/linux/process.cc<http://repo.m5sim.org/gem5/file/82ff928182c5/src/arch/mips/linux/process.cc> > > http://repo.m5sim.org/gem5/**file/82ff928182c5/src/sim/**syscall_emul.cc<http://repo.m5sim.org/gem5/file/82ff928182c5/src/sim/syscall_emul.cc> > > > > This file has an example of that system call hooked up: > > http://repo.m5sim.org/gem5/**file/82ff928182c5/src/arch/** > > arm/linux/process.cc<http://repo.m5sim.org/gem5/file/82ff928182c5/src/arch/arm/linux/process.cc> > > > > Gabe > > Quoting xxx <[email protected] > <mailto:[email protected]>>: > > Hi, > > I try to use run openJPEG binary code on gems/MIPS_SE. > There is a fatal error that syscall llseek (#4140) > unimplemented as the > following. > I am not sure the input format is not correct or > the simulator doesn't > support openJPEG. > > ------------------------------**------------------------------** > ------------------------------**----------- > Nilay [email protected] <mailto:[email protected]> > to gem5 > show details 10:33 AM (3 hours ago) > > - Show quoted text - > On Tue, July 12, 2011 8:52 am, xxx wrote: > > Hi, > I try to use run openJPEG binary code on > gems/MIPS_SE. > There is a fatal error that syscall llseek > (#4140) unimplemented as the > following. > I am not sure the input format is not correct > or the simulator doesn't > support openJPEG. > > > ------------------------------**------------------------------** > > ------------------------------**----------- > > [linjiah@localhost gem5]$ ./build/MIPS_SE/gem5.opt > configs/example/se.py > --cmd ./benchmark/image_to_j2k --options="-i > ./benchmark/Bretagne1.bmp > -o > ./benchmark/Bretagne1.j2k" > gem5 Simulator System. http://gem5.org > gem5 is copyrighted software; use the > --copyright option for details. > > gem5 compiled Jul 10 2011 22:59:59 > gem5 started Jul 11 2011 23:07:37 > gem5 executing on localhost.localdomain > command line: ./build/MIPS_SE/gem5.opt > configs/example/se.py --cmd > ./benchmark/image_to_j2k --options=-i > ./benchmark/Bretagne1.bmp -o > ./benchmark/Bretagne1.j2k > Global frequency set at 1000000000000 ticks > per second > 0: system.remote_gdb.listener: listening for > remote gdb #0 on port 7000 > **** REAL SIMULATION **** > info: Entering event queue @ 0. Starting > simulation... > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > info: Increasing stack size by one page. > > warn: Syscall: open: cannot decode flags 0x2000 > fatal: syscall llseek (#4140) unimplemented. > @ cycle 29788500 > > [unimplementedFunc:build/MIPS_**SE/sim/syscall_emul.cc, > line 83] > Memory Usage: 696248 KBytes > [linjiah@localhost gem5]$ > > > The simulator does not support the system call > llseek. The message at the > end is clear enough. > > > ------------------------------**------------------------------** > --------------------- > > How can I implement such a system call in gem5? > Can you give me some suggestion? > > Thanks. > L.J > > > > ______________________________**_________________ > gem5-users mailing list > [email protected] <mailto:[email protected]> > > http://m5sim.org/cgi-bin/**mailman/listinfo/gem5-users<http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users> > > > > ______________________________**_________________ > gem5-users mailing list > [email protected] <mailto:[email protected]> > > http://m5sim.org/cgi-bin/**mailman/listinfo/gem5-users<http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users> > > > > > _______________________________________________ > gem5-users mailing list > [email protected] <mailto:[email protected]> > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > > > _______________________________________________ > gem5-users mailing list > [email protected] > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
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