El martes, 10 de abril de 2018, 15:12:25 (UTC+2), Ralf Ramsauer escribió: > Hi, > > On 04/10/2018 02:10 PM, iallende wrote: > > El martes, 10 de abril de 2018, 10:47:57 (UTC+2), Ralf Ramsauer escribió: > >> Hi, > >> > >> On 04/10/2018 10:26 AM, iallende wrote: > >>> El jueves, 22 de marzo de 2018, 16:33:02 (UTC+1), Ralf Ramsauer escribió: > >>>> On 03/22/2018 04:23 PM, iallende wrote: > >>>>> El miércoles, 21 de marzo de 2018, 15:25:02 (UTC+1), Ralf Ramsauer > >>>>> escribió: > >>>>>> Hi, > >>>>>> > >>>>>> On 03/21/2018 02:54 PM, iallende wrote: > >>>>>>> Hi everyone, > >>>>>>> > >>>>>>> I am trying to run Jailhouse in the ZynqMP, with Linux PREEMPT RT in > >>>>>>> another cell. However, I have some problems when I add the second > >>>>>>> Linux. > >>>>>>> > >>>>>>> root@xilinx-zcu102-2017_4:/# modprobe jailhouse > >>>>>>> [ 52.445169] jailhouse: loading out-of-tree module taints kernel. > >>>>>>> root@xilinx-zcu102-2017_4:/# ls /dev/jailhouse ^C > >>>>>>> root@xilinx-zcu102-2017_4:/# jailhouse enable zynqmp-zcu102.cell > >>>>>>> > >>>>>>> Initializing Jailhouse hypervisor v0.7 (0-g5c13b64) on CPU 2 > >>>>>> Please checkout next and try again. This might already fix your issue. > >>>>> With v0.8 i get this WARNING and I can load the module: > >>>>> WARNING: "__hyp_stub_vectors" [/jailhouse/driver/jailhouse.ko] > >>>>> undefined! > >>>> Please switch to next, and not to v0.8. Compile your kernel with > >>>> CONFIG_KALLSYMS_ALL=y, or use this [1] patch. > >>>> > >>>> Ralf > >>>> > >>>> [1] > >>>> http://git.kiszka.org/?p=linux.git;a=commit;h=2a681cb2213e3ea0f142fae7345fb80208a88a53 > >>>>>>> Code location: 0x0000ffffc0200050 > >>>>>>> Page pool usage after early setup: mem 33/996, remap 64/131072 > >>>>>>> Initializing processors: > >>>>>>> CPU 2... OK > >>>>>>> CPU 0... OK > >>>>>>> CPU 3... OK > >>>>>>> CPU 1... OK > >>>>>>> Adding virtual PCI device 00:00.0 to cell "ZynqMP-ZCU102" > >>>>>>> Adding virtual PCI device 00:01.0 to cell "ZynqMP-ZCU102" > >>>>>>> Page pool usage after late setup: mem 42/996, remap 69/131072 > >>>>>>> Activating hypervisor > >>>>>>> [ 63.697232] jailhouse: CONFIG_OF_OVERLAY disabled > >>>>>>> [ 63.704029] jailhouse: failed to add virtual host controller > >>>>>>> [ 63.711610] The Jailhouse is opening. > >>>>>>> > >>>>>>> root@xilinx-zcu102-2017_4:/# jailhouse cell linux > >>>>>>> zynqmp-zcu102-linux-demo.cell Image -d system.dtb -i rootfs.cpio > >>>>>>> > >>>>>>> FATAL: unhandled trap (exception class 0x17) > >>>>>> Exception class 0x17 is a SMC64 call. > >>>>>> > >>>>>>> Cell state before exception: > >>>>>>> pc: ffffff800808e390 lr: ffffff8008467504 spsr: 20000145 EL1 > >>>>>>> sp: ffffffc87b927ab0 esr: 17 1 0000000 > >>>>>>> x0: 00000000c2000014 x1: 00000000fd1a0060 x2: 0000000000000000 > >>>>>> Furthermore, it's a SIP_64. > >>>>>> > >>>>>> Commit 2482c47bc2d05f ("arm64: ignore SIPs used for low-power modes") > >>>>>> on > >>>>>> next will probably fix your issue. > >>>>>> > >>>>>> Ralf > >>>>>>> x3: 0000000000000000 x4: 0000000000000000 x5: 0000000000000000 > >>>>>>> x6: 0000000000000000 x7: 0000000000000000 x8: ffffff8008d27ee0 > >>>>>>> x9: ffffffc87aaa4b5c x10: ffffffc87b927b4c x11: ffffff8008c8ccb2 > >>>>>>> x12: 0000000000000000 x13: 0000000000000f93 x14: 0000000000000001 > >>>>>>> x15: 0000000000000000 x16: ffffff8008193240 x17: 00000000004128f0 > >>>>>>> x18: 0000000000040900 x19: ffffffc87b927b28 x20: 0000000000000001 > >>>>>>> x21: 000000004784b740 x22: 000000004784b740 x23: fffffffffffffffa > >>>>>>> x24: 00000000000f4240 x25: 00000000000f4240 x26: 00000000000f4240 > >>>>>>> x27: 0000000000000000 x28: 0000000000000000 x29: ffffffc87b927ac0 > >>>>>>> > >>>>>>> Parking CPU 2 (Cell: "ZynqMP-ZCU102") > >>>>>>> > >>>>>>> > >>>>>>> Does anyone know why I have this problem? Am I missing any step? > >>>>>>> > >>>>> > >>> > >>> Sorry Ralf, I did an error with the dtb. It works with the > >>> inmate-zynqmp-zcu102.dtb. However, I do not achieve to see the non-root > >>> linux console. I have tried with ttyS0 and ttyS1, but nothing appears. > >>> How can I access to the second cell? > >> > >> Sorry for the late response! Ok -- so the other issues are solved and > >> the rest works now? > >> > >> Try to enable the JAILHOUSE_DBCON [1] in your kernel config and allow > >> your cell to use it by adding the .flag JAILHOUSE_CELL_DEBUG_CONSOLE to > >> your inmate's cell config (see Documentation/debug-output.md), and use > >> jailhouse0 as output path. Then you should at least see the kernel booting. > >> > >> Maybe this already gives you a clue what's going on. As far as I can > >> see, the upstream inmate configs look fine. > >> > >> Are other inmates that use the same inmate config able to use the UART? > >> > >> Ralf > >> > >> [1] > >> http://git.kiszka.org/?p=linux.git;a=commit;h=222ae01c41444f5bb8a8c6def3b8bd94ebede24a > > > > Hi, > > > > Perhaps I am not understanding well. But, do I need to know all that to > > have the console of the non-root cell? > > > > The zynqmp-zcu102-linux-demo.cell has the UART defined: > > /* UART */ { > > .phys_start = 0xff010000, > > .virt_start = 0xff010000, > > .size = 0x1000, > > .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE | > > JAILHOUSE_MEM_IO | JAILHOUSE_MEM_ROOTSHARED, > > }, > > > > The non-root cell DTB has the same UART defined: > > uart: serial@ff010000 { > > compatible = "cdns,uart-r1p12", "xlnx,xuartps"; > > reg = <0x0 0xff010000 0x0 0x1000>; > > interrupts = <GIC_SPI 22 IRQ_TYPE_LEVEL_HIGH>; > > clocks = <&uartclk>, <&uartclk>; > > clock-names = "uart_clk", "pclk"; > > }; > > > > > > It is not posible to see the linux booting through this UART? > > > > It is possible to see Linux booting from this console and you should. > But as you don't see anything, my next approach would be to switch to > the debug console to see what's going on. Maybe this gives you a pointer. > > Jan, is ttyS0 the valid first UART on the ZynqMP or is it called otherwise? > > Ralf
NO, the actual one is ttyPS0 for root cell and ttyPS1 for non root cell. But id does not work. root@xilinx-zcu102-2017_4:/cells# dmesg | grep tty [ 0.012533] console [tty0] enabled [ 1.482508] ff000000.serial: ttyPS0 at MMIO 0xff000000 (irq = 46, base_baud = 6249375) is a xuartps [ 3.134537] console [ttyPS0] enabled [ 3.138566] ff010000.serial: ttyPS1 at MMIO 0xff010000 (irq = 47, base_baud = 6249375) is a xuartps -- You received this message because you are subscribed to the Google Groups "Jailhouse" group. To unsubscribe from this group and stop receiving emails from it, send an email to jailhouse-dev+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
