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
