Hi Stefan, The skalk linux worked on the IMX53 qsb normal world, when we compiled it with the imx5_android_tz_defconfig config file. Earlier, we were trying with imx_v6_v7_defconfig config.
Thanks! Riju > Hi Stefan, > We looked at the USB armory Linux: > https://github.com/m-stein/linux/tree/genode_hw_usb_armory_tz_vmm, > which has very clean interfaces to talk to the genode trustzone code, > example the following files to do serial and block device operations using > SMC hypercalls. > (1) include/genode_tz_vmm_defs.h: SMC variables and arguments #defined > (2) include/genode_tz_vmm.h: SMC function declarations > (3) kernel/genode_tz_vmm.c: SMC function definitions > (4) drivers/tty/serial/genode.c: calls SMC function to use UART via genode > in secure world > (5) drivers/block/genode.c: calls SMC function to use block device via > genode in secure world > > Can you please let us know is there is a similar linux source repo for > IMX53 qsb, from which this binary was built: > http://genode.org/files/images/imx53_qsb/linux_trustzone.bin? This linux > binary works great, while the binary using > https://github.com/skalk/linux/tree/imx53-tz crashes with an external data > abort. > > Thanks for your time. > > Riju > > > >> Hello Stefan >> Thanks for your help. Linux is loading now but it shows i2c error and >> then >> dumps the same exception state as shown above `Data Abort`. >> >> ``` >> da9052_ssc_i2c 0-0048: 2 - da9052_i2c_read:master_xfer Failed!! >> da9052_i2c_is_connected - i2c read failed..... >> >> ``` >> >> Though the linux.bin which tz_vmm script tries to download, loads fine. >> It >> also shows above error but continues to load instead of crashing. I need >> the source code of whatever binary I am running. Can you help me with >> source code of the executable which is available here ` >> http://genode.org/files/images/imx53_qsb/linux_trustzone.bin`. >> >> Thanks >> Abhishek >> >> >> On Thu, Jun 1, 2017 at 8:46 AM, Stefan Kalkowski < >> stefan.kalkow...@genode-labs.com> wrote: >> >>> Hi, >>> >>> the tz_vmm component does not expect an uImage to be loaded, but the >>> pure kernel binary instead. Within the Linux build tree for instance >>> the >>> path: "arch/arm/boot/compressed/vmlinux". I wonder, whether you got the >>> very same exception state when not trying to execute on secure world >>> RAM? >>> >>> Regards >>> Stefan >>> >>> On 05/31/2017 04:39 PM, Abhishek Kumar wrote: >>> > Hello Stefan >>> > Thanks for your reply. I tried at 80008000 address as well. >>> > >>> > abhishek@abhishek-OptiPlex-790:~$ file linux >>> > linux: u-boot legacy uImage, Linux-2.6.35.3-01384-g9533414-di, >>> > Linux/ARM, OS Kernel Image (Not compressed), 2933872 bytes, Wed >>> May >>> > 31 15:52:08 2017, Load Address: 0x80008000, Entry Point: >>> 0x80008000, >>> > Header CRC: 0x83CD7B97, Data CRC: 0x914C7C24 >>> > >>> > >>> > >>> > I tried to print from `start` function in >>> > "os/src/server/tz_vmm/include/vm_base.h" file. >>> > >>> > void start() >>> > { >>> > Genode::memset((void*)_state, 0, >>> > sizeof(Genode::Vm_state)); >>> > _load_kernel(); >>> > _load_kernel_surroundings(); >>> > _state->cpsr = 0x93; /* SVC mode and IRQs >>> > disabled */ >>> > _state->r0 = 0; >>> > _state->r1 = _mach_type; >>> > _state->r2 = _ram.base() + >>> > _board_info_offset(); >>> > } >>> > >>> > >>> > _load_kernel() and other statements are working perfectly fine, I >>> tried >>> > printing after each line using PINF. I think that means kernel is >>> > loading fine, though I'm not sure. What might be going wrong here? >>> > >>> > Thanks >>> > Abhishek >>> > >>> > On Wed, May 31, 2017 at 2:57 PM, Stefan Kalkowski >>> > <stefan.kalkow...@genode-labs.com >>> > <mailto:stefan.kalkow...@genode-labs.com>> wrote: >>> > >>> > Hello, >>> > >>> > On 05/31/2017 02:25 PM, Abhishek Kumar wrote: >>> > > Hello >>> > > I am trying to run linux in normal world on genode trustzone. I >>> have >>> > > changed the run-script of genode to copy the uImage generated >>> from >>> > > skalk/linux's imx-53 branch instead of downloading (default). I >>> am >>> > > making uImage with following command: >>> > > >>> > > make uImage LOADADDR=0x70010000 >>> > >>> > You are trying to relocate the Linux kernel within the memory >>> portion >>> > that is used by the secure world (Genode). The secure RAM is from >>> > 0x70000000 to 0x7fffffff. Please follow these instructions to >>> build >>> the >>> > guest kernel on your own, like referenced within the tz_vmm >>> run-script: >>> > >>> > https://genode.org/files/release-15.11/usb_armory_tz_vmm/README >>> > <https://genode.org/files/release-15.11/usb_armory_tz_vmm/README> >>> > >>> > Regards >>> > Stefan >>> > >>> > > >>> > > while executing, genode stops after starting virtual machine >>> with >>> > > following error trace: >>> > > >>> > > ``` >>> > > . >>> > > . >>> > > [init] child "tz_vmm" >>> > > [init] RAM quota: 10203136 >>> > > [init] ELF binary: tz_vmm >>> > > [init] priority: 0 >>> > > [init -> tz_vmm] Start virtual machine ... >>> > > [init -> tz_vmm] Cpu state: >>> > > [init -> tz_vmm] Register Virt Phys >>> > > [init -> tz_vmm] --------------------------------- >>> > > [init -> tz_vmm] r0 = 07000000 [00000000] >>> > > [init -> tz_vmm] r1 = f801ff50 [00000000] >>> > > [init -> tz_vmm] r2 = ffffffe4 [00000000] >>> > > [init -> tz_vmm] r3 = 40002000 [00000000] >>> > > [init -> tz_vmm] r4 = 00000000 [00000000] >>> > > [init -> tz_vmm] r5 = 00000000 [00000000] >>> > > [init -> tz_vmm] r6 = 000000ee [00000000] >>> > > [init -> tz_vmm] r7 = 00000000 [00000000] >>> > > [init -> tz_vmm] r8 = 00000000 [00000000] >>> > > [init -> tz_vmm] r9 = 00000000 [00000000] >>> > > [init -> tz_vmm] r10 = 00000000 [00000000] >>> > > [init -> tz_vmm] r11 = 00000000 [00000000] >>> > > [init -> tz_vmm] r12 = 00000000 [00000000] >>> > > [init -> tz_vmm] sp = 00000000 [00000000] >>> > > [init -> tz_vmm] lr = 00000000 [00000000] >>> > > [init -> tz_vmm] ip = 0040dfe8 [00000000] >>> > > [init -> tz_vmm] cpsr = 60000093 >>> > > [init -> tz_vmm] sp_und = 00000000 [00000000] >>> > > [init -> tz_vmm] lr_und = 8000800c [00000000] >>> > > [init -> tz_vmm] spsr_und = 00000093 [00000000] >>> > > [init -> tz_vmm] sp_svc = f801ff4c [00000000] >>> > > [init -> tz_vmm] lr_svc = 0040bc97 [00000000] >>> > > [init -> tz_vmm] spsr_svc = 00000000 [00000000] >>> > > [init -> tz_vmm] sp_abt = 00000000 [00000000] >>> > > [init -> tz_vmm] lr_abt = 00000000 [00000000] >>> > > [init -> tz_vmm] spsr_abt = 00000000 [00000000] >>> > > [init -> tz_vmm] sp_irq = 00000000 [00000000] >>> > > [init -> tz_vmm] lr_irq = 00000000 [00000000] >>> > > [init -> tz_vmm] spsr_irq = 00000000 [00000000] >>> > > [init -> tz_vmm] sp_fiq = 00000000 [00000000] >>> > > [init -> tz_vmm] lr_fiq = 00000000 [00000000] >>> > > [init -> tz_vmm] spsr_fiq = 00000000 [00000000] >>> > > [init -> tz_vmm] ttbr0 = 00000000 >>> > > [init -> tz_vmm] ttbr1 = 00000000 >>> > > [init -> tz_vmm] ttbrc = 00000000 >>> > > [init -> tz_vmm] dfar = 07000000 [00000000] >>> > > [init -> tz_vmm] exception = data_abort >>> > > [init -> tz_vmm] Could not handle data-abort will exit! >>> > > >>> > > >>> > > ``` >>> > > >>> > > Initially I thought I might be giving wrong load address while >>> making >>> > > uImage, but it seems problem is not that. Can someone help me >>> with >>> > what >>> > > might be possibly going wrong? >>> > > >>> > > Thanks >>> > > Abhishek >>> > > >>> > > >>> > > >>> > ------------------------------------------------------------ >>> ------------------ >>> > > Check out the vibrant tech community on one of the world's most >>> > > engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> > > >>> > > >>> > > >>> > > _______________________________________________ >>> > > genode-main mailing list >>> > > genode-main@lists.sourceforge.net >>> > <mailto:genode-main@lists.sourceforge.net> >>> > > https://lists.sourceforge.net/lists/listinfo/genode-main >>> > <https://lists.sourceforge.net/lists/listinfo/genode-main> >>> > > >>> > >>> > -- >>> > Stefan Kalkowski >>> > Genode Labs >>> > >>> > https://github.com/skalk · http://genode.org/ >>> > >>> > ------------------------------------------------------------ >>> ------------------ >>> > Check out the vibrant tech community on one of the world's most >>> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> > _______________________________________________ >>> > genode-main mailing list >>> > genode-main@lists.sourceforge.net >>> > <mailto:genode-main@lists.sourceforge.net> >>> > https://lists.sourceforge.net/lists/listinfo/genode-main >>> > <https://lists.sourceforge.net/lists/listinfo/genode-main> >>> > >>> > >>> > >>> > >>> > ------------------------------------------------------------ >>> ------------------ >>> > Check out the vibrant tech community on one of the world's most >>> > engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> > >>> > >>> > >>> > _______________________________________________ >>> > genode-main mailing list >>> > genode-main@lists.sourceforge.net >>> > https://lists.sourceforge.net/lists/listinfo/genode-main >>> > >>> >>> -- >>> Stefan Kalkowski >>> Genode Labs >>> >>> https://github.com/skalk · http://genode.org/ >>> >>> ------------------------------------------------------------ >>> ------------------ >>> Check out the vibrant tech community on one of the world's most >>> engaging tech sites, Slashdot.org! http://sdm.link/slashdot >>> _______________________________________________ >>> genode-main mailing list >>> genode-main@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/genode-main >>> >> ------------------------------------------------------------------------------ >> Check out the vibrant tech community on one of the world's most >> engaging tech sites, Slashdot.org! >> http://sdm.link/slashdot_______________________________________________ >> genode-main mailing list >> genode-main@lists.sourceforge.net >> https://lists.sourceforge.net/lists/listinfo/genode-main >> > > > ------------------------------------------------------------------------------ > Check out the vibrant tech community on one of the world's most > engaging tech sites, Slashdot.org! http://sdm.link/slashdot > _______________________________________________ > genode-main mailing list > genode-main@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/genode-main > ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ genode-main mailing list genode-main@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/genode-main
