Hi Gabe, I found out that the config file for 2.6.28.4 turned off the SMP option. Turned it on, then can set the support CPU number.
Thank you. Mark Chen 2011/6/4 Gabe Black <gbl...@eecs.umich.edu>: > X86 doesn't have PAL code so you don't have to worry about that. There > are Linux patches for it, but those aren't necessary for it to work > properly, they just help the simulator run faster. There's a > configuration option for the kernel that sets how many CPUs it supports. > That's probably set to 1. > > Gabe > > On 06/03/11 05:44, 冠男陳 wrote: >> Dear M5, >> I'm now trying to simulate a full system with more than 1 core (CPU). >> With image x86_64-vmlinux-2.6.22.9, I got following messages in m5term: >> >> markcup:~/Gem5/m5_new$ ./build/X86_FS/m5.debug configs/example/fs.py -n 4 >> ==== m5 slave terminal: Terminal 0 ==== >> Linux version 2.6.22.9 (blackga@nacho) (gcc version 4.1.2 (Gentoo >> 4.1.2)) #2 Mon Oct 8 13:13:00 PDT 2007 >> Command line: earlyprintk=ttyS0 console=ttyS0 lpj=7999923 root=/dev/hda1 >> BIOS-provided physical RAM map: >> BIOS-e820: 0000000000000000 - 0000000000100000 (reserved) >> BIOS-e820: 0000000000100000 - 0000000008000000 (usable) >> end_pfn_map = 32768 >> kernel direct mapping tables up to 8000000 @ 100000-102000 >> DMI 2.5 present. >> Zone PFN ranges: >> DMA 256 -> 4096 >> DMA32 4096 -> 1048576 >> Normal 1048576 -> 1048576 >> early_node_map[1] active PFN ranges >> 0: 256 -> 32768 >> Intel MultiProcessor Specification v1.4 >> MPTABLE: OEM ID: MPTABLE: Product ID: MPTABLE: APIC at: 0xFEE00000 >> Processor #0 (Bootup-CPU) >> Processor #1 >> WARNING: NR_CPUS limit of 1 reached. Processor ignored. >> Processor #2 >> WARNING: NR_CPUS limit of 1 reached. Processor ignored. >> Processor #3 >> WARNING: NR_CPUS limit of 1 reached. Processor ignored. >> I/O APIC #4 at 0xFEC00000. >> Setting APIC routing to flat >> Processors: 1 >> ...... >> >> Then, I follow the page >> http://www.m5sim.org/wiki/index.php/Compiling_a_Linux_Kernel, >> and make linux-2.6.28 image with config file for 2.6.28.4 (from >> http://www.m5sim.org/Download), but it's still not working. >> Dose X86 have Linux patches and modified PAL code which are like Alpha_FS? >> (http://www.m5sim.org/Frequently_Asked_Questions#How_many_CPUs_can_M5_run.3F) >> >> Thank you. >> Mark Chen >> _______________________________________________ >> gem5-users mailing list >> gem5-users@m5sim.org >> http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users > > _______________________________________________ > gem5-users mailing list > gem5-users@m5sim.org > http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users _______________________________________________ gem5-users mailing list gem5-users@m5sim.org http://m5sim.org/cgi-bin/mailman/listinfo/gem5-users
