Hello everyone, I have download the latest aarch64 binary and disk image from this link ( http://www.gem5.org/dist/current/arm/aarch-system-2014-10.tar.xz). The command line I'm using is:
build/ARM/gem5.fast configs/example/fs.py --kernel=vmlinux.aarch64.20140821 --disk-image=aarch64-ubuntu-trusty-headless.img --dtb-filename=vexpress.aarch64.20140821.dtb --machine-type=VExpress_EMM64 --caches --l2cache --l3cache --l1d_size=32kB --l1i_size=32kB --l2_size=256kB --l3_size=16MB -n 8 However, I can only see four cores: [ 0.000000] Virtual kernel memory layout: [ 0.000000] vmalloc : 0xffffff8000000000 - 0xffffffbbffff0000 (245759 MB) [ 0.000000] vmemmap : 0xffffffbc01c00000 - 0xffffffbc02300000 ( 7 MB) [ 0.000000] modules : 0xffffffbffc000000 - 0xffffffc000000000 ( 64 MB) [ 0.000000] memory : 0xffffffc000000000 - 0xffffffc020000000 ( 512 MB) [ 0.000000] .init : 0xffffffc000692000 - 0xffffffc0006c6200 ( 209 kB) [ 0.000000] .text : 0xffffffc000080000 - 0xffffffc0006914e4 ( 6214 kB) [ 0.000000] .data : 0xffffffc0006c7000 - 0xffffffc0007141e0 ( 309 kB) [ 0.000000] SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=4, Nodes=1 [ 0.000000] Preemptible hierarchical RCU implementation. [ 0.000000] RCU restricting CPUs from NR_CPUS=8 to nr_cpu_ids=4. [ 0.000000] RCU: Adjusting geometry for rcu_fanout_leaf=16, nr_cpu_ids=4 [ 0.000000] NR_IRQS:64 nr_irqs:64 0 [ 0.000000] Architected cp15 timer(s) running at 100.00MHz (phys). [ 0.000002] sched_clock: 56 bits at 100MHz, resolution 10ns, wraps every 2748779069440ns [ 0.000068] Console: colour dummy device 80x25 [ 0.000072] Calibrating delay loop (skipped) preset value.. 3997.69 BogoMIPS (lpj=19988480) [ 0.000076] pid_max: default: 32768 minimum: 301 [ 0.000110] Mount-cache hash table entries: 1024 (order: 1, 8192 bytes) [ 0.000114] Mountpoint-cache hash table entries: 1024 (order: 1, 8192 bytes) [ 0.000402] hw perfevents: no hardware support available [ 0.060098] CPU1: Booted secondary processor [ 0.080101] CPU2: Booted secondary processor [ 0.100108] CPU3: Booted secondary processor [ 0.100130] Brought up 4 CPUs [ 0.100138] SMP: Total of 4 processors activated. Does anyone know how to bring up 8 cores? Thanks, Zehan
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