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AHCI not working on real hardware
by Nobody III 30 Apr '15

30 Apr '15

Months ago, I had issues with the AHCI driver not working with part_blk. I tested a simple scenario with AHCI and a non-writing version of test-blk-cli. It didn't work (test-blk-cli-nowrite didn't give any output), but the AHCI driver gave its normal output. I tested a slightly modified config using rom_blk instead of ahci, and it worked just fine. Any ideas about what might be wrong?

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Re: Develop TrustZone for iMX6
by bharath 30 Apr '15

30 Apr '15

> Am I right if I assume you fixed this issue as you ask about a > U-Boot-related problem in another thread? Hi Helmuth, No that issue is still there. Actually I have built the uImage for another source code. That uImage is giving u-boot related problems. Parallelly I am working on both. Kindly suggest the solution. Thanks, Bharath

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how can i change u-boot load address?
by bharath 29 Apr '15

29 Apr '15

Hi, I have built uImage using Genode OS Framework for IMX6 Sabre SDBoard. I am getting error as cannot get kernel image. My built uImage is 7858662 Bytes = 7.5 MB I used following commands to flash u-boot and uImage respectively (It is a 16GB microsdcard) $sudo dd if=u-Boot-mx6q-sabresd-no-padding.bin of=/dev/sdc bs=512 seek=2 conv=fsync $sudo dd if=uImage of=/dev/* bs=512 seek=2048 conv=fsync When I inserted the SDCard to the board and tried to boot, it is giving the following error: ## Booting kernel from Legacy Image at 10800000 ... Image Name: Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 7858662 Bytes = 7.5 MB Load Address: 10001000 Entry Point: 10001000 Verifying Checksum ... Bad Data CRC ERROR: can't get kernel image! So, I thought of of changing please try Load Address: 10800000 as per this post. https://community.freescale.com/message/510211#510211 How can I change the Load address. Please suggest.

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Develop TrustZone for iMX6
by bharath 29 Apr '15

29 Apr '15

> please, follow Martin's advice and do not use the outdated RUN_OPT > setting when using u-boot. If you replace it like this: > RUN_OPT += --include image/uboot > You will even find a uImage in your 'var/run/tz_vmm_mx6' folder. Sorry I > was not recognizing that you were using the old, invalid setting for > RUN_OPT when writing my last mail. > I would suggest to build the u-boot uImage automatically via our build > system instead of fiddling around with elf or binary images manually. > Regards > Stefan Hi Stefen, Now, I deleted the total source code, again downloaded and repeated the following steps: $ cd genode-hw_sabrelite_tz_support/tool/ $ ./create_builddir hw_sabrelite_tz BUILD_DIR=build_sabrelite_tz $ make run/tz_vmm_mx6 Now I did not use the RUNOPT. It got successfully built. But I found only image.elf and boot_modules.s in the 'var/run/tz_vmm_mx6' folder. contents of build.conf file in etc folder is as follows: GENODE_DIR = /home/bharath/Bharath/Development/Security/genode- hw_sabrelite_tz_support BASE_DIR = $(GENODE_DIR)/repos/base CONTRIB_DIR = $(GENODE_DIR)/contrib ## ## Kernel-specific base repository ## REPOSITORIES += $(GENODE_DIR)/repos/base-hw ## ## Kernel-specific run tool configuration ## RUN_OPT = --include boot_dir/hw ## ## Repositories needed for the default demo scenario ## REPOSITORIES += $(GENODE_DIR)/repos/base REPOSITORIES += $(GENODE_DIR)/repos/os REPOSITORIES += $(GENODE_DIR)/repos/demo ## ## Optional repositories ## # # Ports of popular open-source libraries and the C library. # # Make sure to execute 'make prepare' in 'libports' prior building. # #REPOSITORIES += $(GENODE_DIR)/repos/libports # # Ports of popular 3rd-party applications # # The 'ports' repository depends on 'libc' and 'libports'. # Make sure to execute 'make prepare' in 'ports' prior building. # #REPOSITORIES += $(GENODE_DIR)/repos/ports # # Ports of the Linux TCP/IP stack and Linux drivers (USB) from the Linux kernel # #REPOSITORIES += $(GENODE_DIR)/repos/dde_linux # # NetBSD file-system support # #REPOSITORIES += $(GENODE_DIR)/repos/dde_rump # # High-level Genode-specific services and applications # # The 'gems' repository depends on 'libc' and 'libports'. # #REPOSITORIES += $(GENODE_DIR)/repos/gems Please suggest.

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run scripts not working
by Nobody III 28 Apr '15

28 Apr '15

I updated to the latest git version of Genode, then tried to build the demo scenario. Unfortunately, it doesn't run on any of the kernels I've tried. Here is the make output relevant to the error: make[1]: Leaving directory '/home/kingtux/genode/build/nova_x86_64' genode build completed wrong # args: should be "run_boot_dir" while executing "run_boot_dir $binaries" (procedure "build_boot_image" line 2) invoked from within "build_boot_image $boot_modules" (file "/home/kingtux/genode/repos/os/run/demo.run" line 221) invoked from within "source $include_name" ("foreach" body line 6) invoked from within "foreach include_name [get_cmd_arg --include ""] { # first check if the include name is absolute if {[string first "/" $include_name] == 0} { puts ..." (file "/home/kingtux/genode/tool/run/run" line 630) Makefile:231: recipe for target 'run/demo' failed make: *** [run/demo] Error 1 What's wrong and how can I fix it?

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Develop TrustZone for iMX6
by bharath 28 Apr '15

28 Apr '15

> Hi Bharath, Stefan > Although Stefan is absolutely right, I'd like to suggest you to NOT > modify the "RUN_OPT = --target uboot" lines to "RUN_OPT += --target > uboot" but to remove them from your build.conf. The "--target uboot" > would be ignored by the run tools anyway and this way you keep your > build.conf content less irritating. > Cheers, > Martin Hi Martin and Stefen, Thanks. Now I tried RUN_OPT += --target uboot. It worked. But image.elf is created in build_sabrelite_tz/var/run/tz_vmm_mx6/ folder. Can I directly dump to the SDCard or should I need to convert to a binary? Cheers, Bharath

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Develop Trustzone support for imx6
by thong 28 Apr '15

28 Apr '15

Hi all, I am a newbie in embedded linux system, and my team is starting to integrate our biometric identification solution into the board i.MX6Q-SABRESD using Secure OS on Trustzone. After take a research around, I decide to try start with Genode on imx53_tablet_demo at https://github.com/skalk/genode/blob/i.MX53_tablet_demo/os/src/server/vmm/i…. I tried to modify base-hw/src/core/kernel/kernel.cc to add a code line PDBG("Hello\n") at the beginning of main routine void kernel() and expected to receive a "Hello" message on my Serial Terminal. I followed the instructions in README and be success to build the Genode with command line: RUN_OPT="--target uboot" make run/printf I use pre-built u-boot-mx6dl-sabresd.bin from Freescale. When I try to boot my Genode build in var/run/printf/ it just stopped at "Starting kernel..." message: U-Boot 2009.08 (Aug 16 2013 - 12:04:20) CPU: Freescale i.MX6 family TO1.2 at 792 MHz Thermal sensor with ratio = 187 Temperature: 48 C, calibration data 0x59e4ff7d mx6q pll1: 792MHz mx6q pll2: 528MHz mx6q pll3: 480MHz mx6q pll8: 50MHz ipg clock : 66000000Hz ipg per clock : 66000000Hz uart clock : 80000000Hz cspi clock : 60000000Hz ahb clock : 132000000Hz axi clock : 264000000Hz emi_slow clock: 132000000Hz ddr clock : 528000000Hz usdhc1 clock : 198000000Hz usdhc2 clock : 198000000Hz usdhc3 clock : 198000000Hz usdhc4 clock : 198000000Hz nfc clock : 24000000Hz Board: i.MX6Q-SABRESD: unknown-board Board: 0x63012 [POR ] Boot Device: SD I2C: ready DRAM: 1 GB MMC: FSL_USDHC: 0,FSL_USDHC: 1,FSL_USDHC: 2,FSL_USDHC: 3 In: serial Out: serial Err: serial i2c: I2C3 SDA is low, start i2c recovery... I2C3 Recovery success Found PFUZE100! deviceid=10,revid=11 Net: got MAC address from IIM: 00:04:9f:02:e0:39 FEC0 [PRIME] Hit any key to stop autoboot: 0 MX6Q SABRESD U-Boot > fatload mmc 2:1 0x20000000 uImage_imx6_tz reading uImage_imx6_tz 359877 bytes read MX6Q SABRESD U-Boot > bootm 20000000 ## Booting kernel from Legacy Image at 20000000 ... Image Name: Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 359813 Bytes = 351.4 kB Load Address: 10001000 Entry Point: 10001000 Verifying Checksum ... OK Uncompressing Kernel Image ... OK Starting kernel ... I highly appreciate any respond to help me on this. Thank you very much in advance. --Thong Nguyen.

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Re: TrustZone image problem
by bharath 28 Apr '15

28 Apr '15

> Hi Bharath, > Please verify if your build directory has enough space. If it has 100% > utilization, it would have created a truncated uboot image. > Hope this helps, > Thanks > Vasan Hi Vasan, You are saying about enough space in my system where I am building the uImage right? If that is so, Yes I do have enough space. How can we can check whether it is truncated uboot image? When I gave the following command: mkimage -l uImage Image Name: Created: Mon Apr 27 17:58:58 2015 Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 7858662 Bytes = 7674.47 kB = 7.49 MB Load Address: 10001000 Entry Point: 10001000 This means that I have build correct uImage right?

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TrustZone image problem
by bharath 28 Apr '15

28 Apr '15

Hi, I am trying to run tz_vmm script for imx6 board, I am able to compile the script for imx6 board and it is successfully creating the uImage of size 7.5 MB, But when I am trying to run this image on the board this is giving following error: Booting kernel from Legacy Image at 10800000 ... Image Name: Image Type: ARM Linux Kernel Image (gzip compressed) Data Size: 7858662 Bytes = 7.5 MB Load Address: 10001000 Entry Point: 10001000 Verifying Checksum ... Bad Data CRC ERROR: can't get kernel image! What would be the problem?

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genode manual
by Prashanth Mundkur 28 Apr '15

28 Apr '15

Hi, I'm having trouble building the manual from the latest genode-manual master: <use img/genode_labs.pdf> [150] <use img/genode_labs.pdf> [151] <use img/genode_labs.pdf> [152] ! LaTeX Error: File `spec/classes/genode/capability/description.tex' not found. Type X to quit or <RETURN> to proceed, or enter new name. (Default extension: tex) Enter file name: Being unable to build, I instead read the March 9th version of the really excellent manual, and have the following feedback: - section 3.1.4: Capability delegation through capability invocation Is there a notion of access rights on capabilities, e.g. read/write/grant as in sel4? If not, it might be good to comment on the design choice. - 3.2.4: Client-server relationship Not sure if this is the best place for it, but related to the lifetime of a session, can capabilities be revoked or deleted, and who can perform this action (child/parent/delegatee)? It would be good to have an explanation that is as clear as the one on capability creation and delegation, explaining how a capability is removed from a protection domain. - 3.4.5: Address-space management One issue that was not referred to was handling page-faults, which I found is indeed covered in the 'Under the hood' chapter. It would be good to have a forward reference. I found the sub-section on managed dataspaces a bit unclear, especially the relationship between 'the RM client' and 'the component' in the first case, and 'client', 'RM client' and 'server' in the second case. One (or two) of your excellent diagrams would be really helpful here. - 3.6.1: Synchronous RPC This is not clear: "Each IPC server has a corresponding untyped capability that can be used to perform calls to the server using an IPC client object." Perhaps server/client got swapped somewhere? - 3.6.2: Asynchronous notifications Even when the server is signalling events to a single trusted client, isn't there a possibility of deadlock that motivates the need for asynchronous notifications? - 6.2.6: Assigning subsystems to CPUs At the end of the section, I thought the upper-left CPU would be at position (0,8) instead of (4,0). Perhaps a diagram could help, or the existing diagram showing affinity for nested inits could be reused for this example. Hope this is useful. --prashanth

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