Hi, I can boot linux on following to a point indicated. I can boot the same kernel on single core CrossbarGarnet. There is some issue with multi core in ARM NOC in full system. Any suggestions please,
./build/ARM/gem5.fast configs/example/fs.py --machine-type=VExpress_GEM5_V1 --kernel /home/khilji/gem5/m5/system/binaries/vmlinux-aarch32 --disk-image /home/khilji/gem5/m5/system/disks/arm-ubuntu-natty-headless.img --dtb-filename /home/khilji/gem5/m5/system/dtb/armv7_gem5_v1_2cpu.dtb --num-cpus=2 --cpu-type=timing --ruby --num-dirs=1 --garnet-network flexible --topology Torus --mesh-rows 2 Booting Linux on physical CPU 0x0 Initializing cgroup subsys cpuset Linux version 4.3.3 ([email protected]) (gcc version 4.9.3 (crosstool-NG crosstool-ng-1.22.0) ) #1 SMP PREEMPT Sat Jan 30 23:15:48 CET 2016 CPU: ARMv7 Processor [410fc0f0] revision 0 (ARMv7), cr=10c5387d CPU: PIPT / VIPT nonaliasing data cache, PIPT instruction cache Machine model: V2P-CA15 Ignoring memory range 0x100000000 - 0x480000000 cma: Reserved 16 MiB at 0x9f000000 Memory policy: Data cache writealloc On node 0 totalpages: 131072 free_area_init_node: node 0, pgdat 806e4300, node_mem_map 9ebf2000 Normal zone: 1024 pages used for memmap Normal zone: 0 pages reserved Normal zone: 131072 pages, LIFO batch:31 PERCPU: Embedded 12 pages/cpu @9ebd3000 s19392 r8192 d21568 u49152 pcpu-alloc: s19392 r8192 d21568 u49152 alloc=12*4096 pcpu-alloc: [0] 0 [0] 1 Built 1 zonelists in Zone order, mobility grouping on. Total pages: 130048 Kernel command line: earlyprintk=pl011,0x1c090000 console=ttyAMA0 lpj=19988480 norandmaps rw loglevel=8 mem=512MB root=/dev/sda1 PID hash table entries: 2048 (order: 1, 8192 bytes) Dentry cache hash table entries: 65536 (order: 6, 262144 bytes) Inode-cache hash table entries: 32768 (order: 5, 131072 bytes) Memory: 496044K/524288K available (5125K kernel code, 155K rwdata, 1476K rodata, 268K init, 136K bss, 11860K reserved, 16384K cma-reserved) Virtual kernel memory layout: vector : 0xffff0000 - 0xffff1000 ( 4 kB) fixmap : 0xffc00000 - 0xfff00000 (3072 kB) vmalloc : 0xa0800000 - 0xff000000 (1512 MB) lowmem : 0x80000000 - 0xa0000000 ( 512 MB) modules : 0x7f000000 - 0x80000000 ( 16 MB) .text : 0x80008000 - 0x8067a8c8 (6603 kB) .init : 0x8067b000 - 0x806be000 ( 268 kB) .data : 0x806be000 - 0x806e4e40 ( 156 kB) .bss : 0x806e7000 - 0x807091fc ( 137 kB) SLUB: HWalign=64, Order=0-3, MinObjects=0, CPUs=2, Nodes=1 Preemptible hierarchical RCU implementation. Build-time adjustment of leaf fanout to 32. RCU restricting CPUs from NR_CPUS=32 to nr_cpu_ids=2. RCU: Adjusting geometry for rcu_fanout_leaf=32, nr_cpu_ids=2 NR_IRQS:16 nr_irqs:16 16 L2C: failed to init: -19 Architected cp15 timer(s) running at 25.16MHz (virt). clocksource: arch_sys_counter: mask: 0xffffffffffffff max_cycles: 0x5cdd39714, max_idle_ns: 440795202620 ns sched_clock: 56 bits at 25MHz, resolution 39ns, wraps every 4398046511084ns Switching to timer-based delay loop, resolution 39ns Console: colour dummy device 80x30 Calibrating delay loop (skipped) preset value.. 3997.69 BogoMIPS (lpj=19988480) pid_max: default: 32768 minimum: 301 Mount-cache hash table entries: 1024 (order: 0, 4096 bytes) Mountpoint-cache hash table entries: 1024 (order: 0, 4096 bytes) CPU: Testing write buffer coherency: ok /cpus/cpu@0 missing clock-frequency property /cpus/cpu@1 missing clock-frequency property CPU0: thread -1, cpu 0, socket 0, mpidr 80000000 Setting up static identity map for 0x80008280 - 0x800082d8 CPU1: thread -1, cpu 1, socket 0, mpidr 80000001 Brought up 2 CPUs SMP: Total of 2 processors activated (7995.39 BogoMIPS). CPU: All CPU(s) started in SVC mode. devtmpfs: initialized VFP support v0.3: implementor 41 architecture 4 part 30 variant a rev 0 clocksource: jiffies: mask: 0xffffffff max_cycles: 0xffffffff, max_idle_ns: 19112604462750000 ns NET: Registered protocol family 16 DMA: preallocated 256 KiB pool for atomic coherent allocations cpuidle: using governor ladder cpuidle: using governor menu hw-breakpoint: Debug register access (0xee113e93) caused undefined instruction on CPU 0 hw-breakpoint: Debug register access (0xee013e90) caused undefined instruction on CPU 0 hw-breakpoint: Debug register access (0xee003e17) caused undefined instruction on CPU 0 hw-breakpoint: CPU 0 failed to disable vector catch hw-breakpoint: Debug register access (0xee113e93) caused undefined instruction on CPU 1 hw-breakpoint: Debug register access (0xee013e90) caused undefined instruction on CPU 1 hw-breakpoint: Debug register access (0xee003e17) caused undefined instruction on CPU 1 Serial: AMBA PL011 UART driver 1c090000.uart: ttyAMA0 at MMIO 0x1c090000 (irq = 23, base_baud = 0) is a PL011 rev3 console [ttyAMA0] enabled best regards, Sharjeel On 21 February 2017 at 20:32, Jason Lowe-Power <[email protected]> wrote: > Hi Sharjeel, > > I think you've found another case where ARM isn't supported in Ruby. I > would *guess* this is a problem with some kind of atomic/memory ordering > operation. I would try simplifying your simulated system and building up > until you find the problem. For instance, start with 1 core and make sure > Linux boots. Then, two cores, etc. You may also want to try simpler > topologies (e.g., Pt2Pt or crossbar) and using only a single directory. > > This could also be a problem with the memory ranges. Ruby only supports a > single range with no gaps. I don't know what the ARM systems use. > > Jason > > On Tue, Feb 21, 2017 at 3:54 AM SHARJEEL KHILJI < > [email protected]> wrote: > >> Hi, >> >> I am trying to boot linuxv4.4 on ARM NOC. The booting process gets stuck >> and same set of instruction is executed again and again. Following is the >> set of instructions. >> >> >> ./build/ARM/gem5.debug --debug-flags= Exec,ExecTicks >> configs/example/fs.py --machine-type=VExpress_GEM5_V1 --kernel >> /home/khilji/gem5/m5/system/binaries/vmlinux-aarch32 --disk-image >> /home/khilji/gem5/m5/system/disks/linux-aarch32-ael.img --dtb-filename >> /home/khilji/gem5/m5/system/dtb/armv7_gem5_v1_4cpu.dtb --num-cpus=4 >> --cpu-type=timing --mem-size=512MB --ruby --num-dirs=2 --garnet-network >> flexible --topology Mesh --mesh-rows 2 --numa-high-bit=28 >> >> Following instructions are show in the terminal >> 370581084500: system.cpu0 T0 : @smp_call_function_many+592 : dmb >> #0 : IntAlu : >> 370581085500: system.cpu0 T0 : @smp_call_function_many+596 : tsts >> r3, #1 : IntAlu : D=0x0000000000000000 >> 370581086500: system.cpu0 T0 : @smp_call_function_many+600 : >> bne : IntAlu : >> 370581087500: system.cpu0 T0 : @smp_call_function_many+588 : ldr >> r3, [r1, #12] : MemRead : D=0x0000000000000003 A=0x9eb4c >> >> Looks like a sort of deadlock. Any suggestions please, if anyone can give >> in this matter. >> >> best regards, >> sharjeel >> >> _______________________________________________ >> gem5-users mailing list >> [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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