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2285 discussions

Reimplementation of NetBSD using a MicroKernel
by Peter Lindener 11 Mar '16

11 Mar '16

This is great video... see: A re-implementation of NetBSD using a MicroKernel <https://www.youtube.com/watch?v=0pebP891V0c> http://www.slideshare.net/eurobsdcon/andy-tanenbaum-euro-bsdcon2014v2 Maybe this might be useful for use under Genode? -Peter

2 1

service routing
by Nobody III 11 Mar '16

11 Mar '16

I've been thinking about how to make a Genode desktop OS, and one of the main issues is service routing. Genode currently works well for static, pre-defined scenarios, but has issues when you try to create complex, dynamic scenarios. When adding a single component, I've often had to add to the policy configurations of multiple core servers. This is far from ideal. I have two ideas to help solve this issue: 1. Add a server dedicated to routing services. This server would request services for other components using its own label, so it can use its own policy rules rather than those of the individual servers. 2. Give init the ability to provide services from its children to its parent and siblings.

3 2

Does Genode support for 64-bit ARM processor?
by li94575 10 Mar '16

10 Mar '16

Hi all, Can the new ARM Cortex-A53 processor with ARM v8 architecture run on Genode+Fiasco.OC? Thank you.

4 3

running demo scenario over sel4
by Robert Behar 10 Mar '16

10 Mar '16

I'm interested in using genode over sel4 and have been having difficulties with building and running the demo scenario I am running ubuntu 15 over virtual box first I pulled the full main branch from the repository. I then compiled the tool chain for x86 by running ./tool/tool_chain x86 then i created a build directory like so ./tool/create_builddir sel4_x86_32 BUILD_DIR=build.sel4 so far success. then I wanted to prepare the ./repos/base-sel4 directory with a make -C ./repos/base-sel4 prepare but alas no Makefile was there! after digging a bit and reading through ./repos/base-nove/Makefile I decided to run ./tool/ports/prepare_port sel4 which worked. now with sel4 prepared i went back to trying to run make -C ./build.sel4 run/demo this failed it said it was missing a timer component! I suspect this has something to do with ./repos/os/src/drivers/timer/spec not having a folder for sel4. am I missing something?

3 2

Re: Mouse pointer speed
by Bent Bracke 09 Mar '16

09 Mar '16

Hi Sorry about the lack of details. It is possible that it's just too fast. I'm simply having difficulties clicking on anything because the mouse pointer moves around so quickly. I'm running genode with qemu on Ubuntu on macbookpro via parallels. It is a usb trackball which works fine on Ubuntu and OS X. Kind regards Bent Bracke > On 7. mar. 2016, at 17.14, Norman Feske <norman.feske@...1...> wrote: > > > Hello Bent, > >> In all the examples that come with Genode, the mouse pointer moves at >> what seems like an erratic speed. >> Is this a driver issue or something else? > > I am afraid that your question is too unspecific to give you a good > answer. Do you observe the erratic behavior on different machines and > with different mouses? Are you referring to a PS/2 mouse (with the PS/2 > driver) or a USB HID mouse (with the USB driver)? Or are you using a USB > mouse with the PS/2 driver? In the latter case, the BIOS provides some > rudimentary PS/2 emulation. It is really hard to diagnose the problem > remotely. > > That said, our PS/2 driver is indeed rather simple. It resets the mouse > but does not attempt to set any specific parameters with respect to > mouse speed or acceleration. You can have a look at > repos/os/src/drivers/input/ps2/ to investigate. > > If you observe the problem with the USB HID driver, this would surprise > me because we are actually using the Linux USB driver on Genode. So the > mouse should work just as well as on Linux. > > Cheers > Norman > > -- > Dr.-Ing. Norman Feske > Genode Labs > > http://www.genode-labs.com · http://genode.org > > Genode Labs GmbH · Amtsgericht Dresden · HRB 28424 · Sitz Dresden > Geschäftsführer: Dr.-Ing. Norman Feske, Christian Helmuth > > ------------------------------------------------------------------------------ > Transform Data into Opportunity. > Accelerate data analysis in your applications with > Intel Data Analytics Acceleration Library. > Click to learn more. > http://makebettercode.com/inteldaal-eval > _______________________________________________ > genode-main mailing list > genode-main(a)lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/genode-main

3 2

Mouse pointer speed
by Bent Bracke 07 Mar '16

07 Mar '16

Hi In all the examples that come with Genode, the mouse pointer moves at what seems like an erratic speed. Is this a driver issue or something else? -- Kind regards Bent Bracke

3 2

tz_vmm run script
by John David 07 Mar '16

07 Mar '16

Hi all, I am running tz_vmm run script on i.mx53qsb. I have LVDS display kit attached to the board. I want the Linux (non secure world) to be displayed on the LVDS while the Genode uses the serial console. I wonder if you could tell me how can i do this. Thanks!

3 10

build instructions from release notes for toolchain riscv fail (in my case)
by Menno Valkema 04 Mar '16

04 Mar '16

Hi Everyone, While playing around with the new riscv support, I followed the instructions in the release notes in order to build a riscv toolchain from scratch. (See section 'Steps to test Genode on RISC-V', url http://genode.org/documentation/release-notes/16.02). Step 2 involves Building Genode and a test scenario. After cloning https://github.com/ssumpf/genode.git I ran: $ ./tool/tool_chain riscv This fails immediately, and it seems the riscv argument is not supported in this version. The following error is given: make: *** No rule to make target `riscv'. Stop. When I try the same thing with the repository from the Genodelabs github (https://github.com/genodelabs/genode.git) this argument is supported and a build starts. Same goes for the next step: $ ./tool/create_builddir hw_risc This only succeeds with the repository from genodelabs. Otherwise it gives the error: make: *** No rule to make target `<removed full path>/tool/builddir/etc/build.conf.hw_risc', needed by `<removed> full path/build/hw_risc/etc/build.conf'. Stop. To me it seems some url's might have been mixed up while writing the release notes. Or after writing the releasenotes were published the repositories have somehow been modified. In any case, if you run into the same issues, you might want to clone https://github.com/genodelabs/genode.git instead of the git repo given in the release notes. Regards, Menno

3 3

Escape stack overflow in noux_bash
by Gregory Disney 02 Mar '16

02 Mar '16

Hey, This seems to be a escape stack overflow, which crashes the kernel. All that a user has to run cat tmp/bblub, which I believe is a link to /ram/tmp/bblub to cause the overflow. Log: including /home/gdl/genode/tool/run/boot_dir/nova including /home/gdl/genode/tool/run/power_on/qemu including /home/gdl/genode/tool/run/log/qemu including /home/gdl/genode/tool/run/image/iso including /home/gdl/genode/repos/ports/run/noux_bash.run building targets: core init drivers/timer noux/minimal lib/libc_noux drivers/framebuffer drivers/input server/terminal server/ram_fs test/libports/ncurses drivers/rtc drivers/platform drivers/acpi server/report_rom drivers/platform/spec/x86/device_pd spawn make core init drivers/timer noux/minimal lib/libc_noux drivers/framebuffer drivers/input server/terminal server/ram_fs test/libports/ncurses drivers/rtc drivers/platform drivers/acpi server/report_rom drivers/platform/spec/x86/device_pd make[1]: Entering directory '/home/gdl/genode/build.nova32' checking library dependencies... Skip target drivers/framebuffer/spec/exynos because it requires [00;33mexynos[0m Skip target drivers/framebuffer/spec/imx53 because it requires [00;33mimx53[0m Skip target drivers/framebuffer/spec/omap4 because it requires [00;33momap4[0m Skip target drivers/framebuffer/spec/pl11x/pbxa9 because it requires [00;33mpl11x pbxa9[0m Skip target drivers/framebuffer/spec/rpi because it requires [00;33mrpi[0m Skip target drivers/framebuffer/spec/sdl because it requires [00;33mlinux sdl[0m Skip target drivers/input/spec/imx53 because it requires [00;33mimx53[0m Skip target drivers/input/spec/ps2/pl050 because it requires [00;33mpl050[0m Skip target drivers/platform/spec/arndale because it requires [00;33marndale[0m Skip target drivers/platform/spec/imx53 because it requires [00;33mimx53[0m Skip target drivers/platform/spec/odroid_x2 because it requires [00;33modroid_x2[0m Skip target drivers/platform/spec/rpi because it requires [00;33mrpi[0m [00;33m Library [0mplatform [00;33m Library [0mcxx [00;33m Library [0msyscall [00;33m Library [0mstartup [00;33m Library [0mbase-common [00;33m Library [0mcore [01;33m Program [0mcore/core COMPILE version.o LINK core [00;33m Library [0mbase [01;33m Program [0mdrivers/acpi/spec/x86/acpi_drv [00;33m Library [0mintel_fb_include [00;33m Library [0mintel_fb_drv [00;33m Library [0mlibc-setjmp [00;33m Library [0mserver [00;33m Library [0mconfig [00;33m Library [0mblit [01;33m Program [0mdrivers/framebuffer/intel/intel_fb_drv [00;33m Library [0mx86emu [01;33m Program [0mdrivers/framebuffer/vesa/fb_drv [01;33m Program [0mdrivers/input/dummy/dummy_input_drv [01;33m Program [0mdrivers/input/spec/ps2/x86/ps2_drv [01;33m Program [0mdrivers/platform/spec/x86/device_pd/device_pd [01;33m Program [0mdrivers/platform/spec/x86/platform_drv [01;33m Program [0mdrivers/rtc/spec/x86/rtc_drv [00;33m Library [0malarm [00;33m Library [0mtimer [01;33m Program [0mdrivers/timer/timer [00;33m Library [0minit_pd_args [01;33m Program [0minit/init [00;33m Library [0mlibc-string [00;33m Library [0mlibc-locale [00;33m Library [0mlibc-stdlib [00;33m Library [0mlibc-stdio [00;33m Library [0mlibc-gen [00;33m Library [0mlibc-gdtoa [00;33m Library [0mlibc-inet [00;33m Library [0mlibc-stdtime [00;33m Library [0mlibc-regex [00;33m Library [0mlibc-compat [00;33m Library [0mtimed_semaphore [00;33m Library [0mldso-startup [00;33m Library [0mld [00;33m Library [0mvfs [00;33m Library [0mlibc [00;33m Library [0mlibc_noux [01;33m Program [0mlib/libc_noux/libc_noux [01;33m Program [0mnoux/minimal/noux [01;33m Program [0mserver/ram_fs/ram_fs [01;33m Program [0mserver/report_rom/report_rom [01;33m Program [0mserver/terminal/terminal [00;33m Library [0mncurses [01;33m Program [0mtest/libports/ncurses/test-ncurses make[1]: Leaving directory '/home/gdl/genode/build.nova32' genode build completed building targets: kernel spawn make kernel make[1]: Entering directory '/home/gdl/genode/build.nova32' checking library dependencies... [01;33m Program [0mkernel/hypervisor make[1]: Leaving directory '/home/gdl/genode/build.nova32' genode build completed using NOVA kernel at /home/gdl/genode/build.nova32/kernel/hypervisor install bootloader creating ISO image... spawn qemu-system-x86_64 -no-kvm -cpu core2duo -serial mon:stdio -cdrom var/run/noux_bash.iso Bender: Hello World. Need 0275d000 bytes to relocate modules. Relocating to 05883000: Copying 358824 bytes... Copying 423916 bytes... Copying 341432 bytes... Copying 489700 bytes... Copying 599440 bytes... Copying 435020 bytes... Copying 415620 bytes... Copying 19947520 bytes... Copying 9267200 bytes... Copying 3553280 bytes... Copying 293864 bytes... Copying 93584 bytes... Copying 157940 bytes... Copying 1039868 bytes... Copying 423236 bytes... Copying 494852 bytes... Copying 423300 bytes... Copying 624504 bytes... Copying 401468 bytes... Copying 416192 bytes... Copying 4299 bytes... Copying 910712 bytes... Copying 110084 bytes... NOVA Microhypervisor v7-c852537 (x86_32): Feb 28 2016 22:48:23 [gcc 4.9.2] [ 0] CORE:0:0:0 6:f:b:0 [0] Intel(R) Core(TM)2 Duo CPU T7700 @ 2.40GHz Hypervisor reports 1x1 CPU - boot CPU is 0 [34mCPU has no invariant TSC.[0m Hypervisor info page contains 29 memory descriptors: detected physical memory: 0x0000000000000000 - size: 0x9fc00 use physical memory: 0x0000000000000000 - size: 0x9f000 detected physical memory: 0x0000000000100000 - size: 0x7ee0000 use physical memory: 0x0000000000100000 - size: 0x7ee0000 map multi-boot module: physical 0x0589e000+0x000de578 - core map multi-boot module: physical 0x0597d000+0x000010cb - config map multi-boot module: physical 0x0597f000+0x000659c0 - init map multi-boot module: physical 0x059e5000+0x0006203c - timer map multi-boot module: physical 0x05a48000+0x00098778 - ld.lib.so map multi-boot module: physical 0x05ae1000+0x00067584 - noux map multi-boot module: physical 0x05b49000+0x00078d04 - terminal map multi-boot module: physical 0x05bc2000+0x00067544 - ram_fs map multi-boot module: physical 0x05c2a000+0x000fddfc - libc.lib.so map multi-boot module: physical 0x05d28000+0x000268f4 - libm.lib.so map multi-boot module: physical 0x05d4f000+0x00016d90 - libc_noux.lib.so map multi-boot module: physical 0x05d66000+0x00047be8 - ncurses.lib.so map multi-boot module: physical 0x05dae000+0x00363800 - bash.tar map multi-boot module: physical 0x06112000+0x008d6800 - coreutils.tar map multi-boot module: physical 0x069e9000+0x01306000 - vim.tar map multi-boot module: physical 0x07cf0000+0x00065784 - rtc_drv map multi-boot module: physical 0x07d56000+0x0006a34c - ps2_drv map multi-boot module: physical 0x07dc1000+0x00092590 - fb_drv map multi-boot module: physical 0x07e54000+0x000778e4 - platform_drv map multi-boot module: physical 0x07ecc000+0x000535b8 - acpi_drv map multi-boot module: physical 0x07f20000+0x000677ec - report_rom map multi-boot module: physical 0x07f88000+0x000579a8 - device_pd :virt_alloc: Allocator 18f91c dump: Block: [00002000,00069000) size=00067000 avail=00067000 max_avail=00067000 Block: [00069000,0006a000) size=00001000 avail=00000000 max_avail=00067000 Block: [0006a000,0007c000) size=00012000 avail=00012000 max_avail=00067000 Block: [0007c000,0007d000) size=00001000 avail=00000000 max_avail=00000000 Block: [0007d000,0007e000) size=00001000 avail=00000000 max_avail=00067000 Block: [0007e000,0007f000) size=00001000 avail=00000000 max_avail=00000000 Block: [0007f000,00080000) size=00001000 avail=00000000 max_avail=00000000 Block: [00080000,00081000) size=00001000 avail=00000000 max_avail=00000000 Block: [00081000,00082000) size=00001000 avail=00000000 max_avail=00000000 Block: [00082000,00083000) size=00001000 avail=00000000 max_avail=00000000 Block: [00083000,00084000) size=00001000 avail=00000000 max_avail=00067000 Block: [00084000,00086000) size=00002000 avail=00000000 max_avail=00000000 Block: [00086000,00087000) size=00001000 avail=00000000 max_avail=00000000 Block: [00087000,00088000) size=00001000 avail=00000000 max_avail=00000000 Block: [00088000,00089000) size=00001000 avail=00000000 max_avail=00000000 Block: [00089000,0008a000) size=00001000 avail=00000000 max_avail=00000000 Block: [0008a000,0008b000) size=00001000 avail=00000000 max_avail=00000000 Block: [0008b000,0008c000) size=00001000 avail=00000000 max_avail=00000000 Block: [0008c000,0008d000) size=00001000 avail=00000000 max_avail=00000000 Block: [0008d000,0008e000) size=00001000 avail=00000000 max_avail=00067000 Block: [0008e000,0008f000) size=00001000 avail=00000000 max_avail=00000000 Block: [0008f000,00090000) size=00001000 avail=00000000 max_avail=00000000 Block: [00090000,00091000) size=00001000 avail=00000000 max_avail=00007000 Block: [00091000,00092000) size=00001000 avail=00000000 max_avail=00000000 Block: [00092000,00093000) size=00001000 avail=00000000 max_avail=00000000 Block: [00093000,00094000) size=00001000 avail=00000000 max_avail=00007000 Block: [00094000,00095000) size=00001000 avail=00000000 max_avail=00000000 Block: [00095000,0009c000) size=00007000 avail=00007000 max_avail=00007000 Block: [0009c000,0009d000) size=00001000 avail=00000000 max_avail=00000000 Block: [0009d000,0009e000) size=00001000 avail=00000000 max_avail=00007000 Block: [0009e000,0009f000) size=00001000 avail=00000000 max_avail=00000000 Block: [0009f000,000a0000) size=00001000 avail=00000000 max_avail=00000000 Block: [000a0000,000a1000) size=00001000 avail=00000000 max_avail=00000000 Block: [000a1000,000a2000) size=00001000 avail=00000000 max_avail=00000000 Block: [000a2000,000a3000) size=00001000 avail=00000000 max_avail=9fd40000 Block: [000a3000,000bb000) size=00018000 avail=00018000 max_avail=00018000 Block: [000bb000,000bc000) size=00001000 avail=00000000 max_avail=00018000 Block: [000bc000,000bd000) size=00001000 avail=00000000 max_avail=00000000 Block: [000bd000,000cb000) size=0000e000 avail=0000e000 max_avail=0000e000 Block: [000cb000,000cc000) size=00001000 avail=00000000 max_avail=00033000 Block: [000cc000,000cd000) size=00001000 avail=00000000 max_avail=00000000 Block: [000cd000,00100000) size=00033000 avail=00033000 max_avail=00033000 Block: [001de000,001df000) size=00001000 avail=00000000 max_avail=00000000 Block: [001df000,001e0000) size=00001000 avail=00000000 max_avail=00033000 Block: [001e0000,001e1000) size=00001000 avail=00000000 max_avail=00000000 Block: [001e1000,001e2000) size=00001000 avail=00000000 max_avail=00000000 Block: [001e2000,001e3000) size=00001000 avail=00000000 max_avail=9fd40000 Block: [001e3000,001e4000) size=00001000 avail=00000000 max_avail=00000000 Block: [001e4000,00246000) size=00062000 avail=00062000 max_avail=00062000 Block: [00246000,00247000) size=00001000 avail=00000000 max_avail=00077000 Block: [00247000,002be000) size=00077000 avail=00077000 max_avail=00077000 Block: [002be000,002bf000) size=00001000 avail=00000000 max_avail=9fd40000 Block: [002bf000,002c0000) size=00001000 avail=00000000 max_avail=00000000 Block: [002c0000,a0000000) size=9fd40000 avail=9fd40000 max_avail=9fd40000 Block: [b0000000,bfeff000) size=0feff000 avail=0feff000 max_avail=0feff000 Block: [bff04000,bfffd000) size=000f9000 avail=000f9000 max_avail=000f9000 => mem_size=2951839744 (2815 MB) / mem_avail=2951651328 (2814 MB) :phys_alloc: Allocator 18e8b8 dump: Block: [00001000,00002000) size=00001000 avail=00000000 max_avail=00000000 Block: [00002000,00003000) size=00001000 avail=00000000 max_avail=00000000 Block: [00003000,00004000) size=00001000 avail=00000000 max_avail=00000000 Block: [00004000,00005000) size=00001000 avail=00000000 max_avail=00000000 Block: [00005000,00006000) size=00001000 avail=00000000 max_avail=00000000 Block: [00006000,00007000) size=00001000 avail=00000000 max_avail=00000000 Block: [00007000,00008000) size=00001000 avail=00000000 max_avail=00000000 Block: [00008000,00009000) size=00001000 avail=00000000 max_avail=00000000 Block: [00009000,0000a000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000a000,0000b000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000b000,0000c000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000c000,0000d000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000d000,0000e000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000e000,0000f000) size=00001000 avail=00000000 max_avail=00000000 Block: [0000f000,00010000) size=00001000 avail=00000000 max_avail=00000000 Block: [00010000,00011000) size=00001000 avail=00000000 max_avail=00000000 Block: [00011000,00012000) size=00001000 avail=00000000 max_avail=00000000 Block: [00012000,00013000) size=00001000 avail=00000000 max_avail=00000000 Block: [00013000,00014000) size=00001000 avail=00000000 max_avail=00000000 Block: [00014000,00015000) size=00001000 avail=00000000 max_avail=00000000 Block: [00015000,00016000) size=00001000 avail=00000000 max_avail=00000000 Block: [00016000,00017000) size=00001000 avail=00000000 max_avail=00000000 Block: [00017000,00018000) size=00001000 avail=00000000 max_avail=00000000 Block: [00018000,00019000) size=00001000 avail=00000000 max_avail=0309e000 Block: [00019000,0001a000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001a000,0001b000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001b000,0001c000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001c000,0001d000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001d000,0001e000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001e000,0001f000) size=00001000 avail=00000000 max_avail=00000000 Block: [0001f000,00020000) size=00001000 avail=00000000 max_avail=00000000 Block: [00020000,00021000) size=00001000 avail=00000000 max_avail=00000000 Block: [00021000,00022000) size=00001000 avail=00000000 max_avail=00000000 Block: [00022000,00023000) size=00001000 avail=00000000 max_avail=00000000 Block: [00023000,00024000) size=00001000 avail=00000000 max_avail=00000000 Block: [00024000,00025000) size=00001000 avail=00000000 max_avail=0309e000 Block: [00025000,00026000) size=00001000 avail=00000000 max_avail=00000000 Block: [00026000,00027000) size=00001000 avail=00000000 max_avail=00000000 Block: [00027000,00028000) size=00001000 avail=00000000 max_avail=00000000 Block: [00028000,00029000) size=00001000 avail=00000000 max_avail=00000000 Block: [00029000,0002a000) size=00001000 avail=00000000 max_avail=00000000 Block: [0002a000,0002b000) size=00001000 avail=00000000 max_avail=0309e000 Block: [0002b000,0002c000) size=00001000 avail=00000000 max_avail=00000000 Block: [0002c000,0009f000) size=00073000 avail=00073000 max_avail=00073000 Block: [00100000,00101000) size=00001000 avail=00000000 max_avail=0309e000 Block: [00101000,00102000) size=00001000 avail=00000000 max_avail=00000000 Block: [00102000,00400000) size=002fe000 avail=002fe000 max_avail=0309e000 Block: [02800000,0589e000) size=0309e000 avail=0309e000 max_avail=0309e000 => mem_size=54771712 (52 MB) / mem_avail=54587392 (52 MB) :io_mem_alloc: Allocator 19098c dump: Block: [00000000,00001000) size=00001000 avail=00001000 max_avail=00001000 Block: [0009f000,00100000) size=00061000 avail=00061000 max_avail=f801f000 Block: [07fe0000,fffff000) size=f801f000 avail=f801f000 max_avail=f801f000 => mem_size=4161277952 (3968 MB) / mem_avail=4161277952 (3968 MB) [32mGenode 15.11-141-g2936cbe <local changes>[0m int main(): [33m--- create local services ---[0m int main(): [33m--- start init ---[0m int main(): [33mtransferred 51 MB to init[0m [init] parent provides [init] service "ROM" [init] service "LOG" [init] service "CAP" [init] service "RAM" [init] service "RM" [init] service "CPU" [init] service "PD" [init] service "IRQ" [init] service "IO_PORT" [init] service "IO_MEM" [init] service "SIGNAL" [init] child "timer" [init] RAM quota: 876544 [init] ELF binary: timer [init] priority: 0 [init] provides service Timer [init] child "rtc_drv" [init] RAM quota: 876544 [init] ELF binary: rtc_drv [init] priority: 0 [init] provides service Rtc [init] child "acpi_drv" [init] RAM quota: 1925120 [init] ELF binary: acpi_drv [init] priority: 0 [34mQuota exceeded! amount=24576, size=4096, consumed=24576[0m [init] [32mupgrading quota donation for Env::CPU (8192 bytes)[0m [init] child "acpi_report_rom" [init] RAM quota: 1925120 [init] ELF binary: report_rom [init] priority: 0 [init] provides service ROM [init] provides service Report [init] child "platform_drv" [init] RAM quota: 4022272 [init] ELF binary: platform_drv [init] priority: 0 [init] provides service Platform [34mQuota exceeded! amount=32768, size=4096, consumed=32768[0m [init] [32mupgrading quota donation for Env::CPU (8192 bytes)[0m [init] child "fb_drv" [init] RAM quota: 4022272 [init] ELF binary: fb_drv [init] priority: 0 [init] provides service Framebuffer [init] child "ps2_drv" [init] RAM quota: 876544 [init] ELF binary: ps2_drv [init] priority: 0 [init] provides service Input [34mQuota exceeded! amount=40960, size=4096, consumed=40960[0m [init] [32mupgrading quota donation for Env::CPU (8192 bytes)[0m [init] child "terminal" [init] RAM quota: 1925120 [init] ELF binary: terminal [init] priority: 0 [init] provides service Terminal [init] child "ram_fs" [init] RAM quota: 10313728 [init] ELF binary: ram_fs [init] priority: 0 [init] provides service File_system [init] Warning: Specified quota exceeds available quota. [init] Proceeding with a quota of 24858624. [34mQuota exceeded! amount=49152, size=4096, consumed=49152[0m [init] [32mupgrading quota donation for Env::CPU (8192 bytes)[0m [init] child "noux" [init] RAM quota: 24686592 [init] ELF binary: noux [init] priority: 0 [init] child "timer" announces service "Timer" [init -> terminal] int main(int, char**): [33m--- terminal service started ---[0m [init] child "acpi_report_rom" announces service "Report" [init] child "acpi_report_rom" announces service "ROM" [init -> platform_drv] platform driver started [init -> acpi_report_rom] [34mparsing legacy <rom> policies[0m [init -> noux] [32m--- noux started ---[0m [init -> acpi_drv] void Acpi_table::_parse_tables(T*, Genode::uint32_t) [with T = unsigned int; Genode::uint32_t = unsigned int]: [33mFound MADT[0m [init -> acpi_drv] [32mMADT IRQ 0 -> GSI 2 flags: 0[0m [init -> acpi_drv] [32mMADT IRQ 5 -> GSI 5 flags: d[0m [init -> acpi_drv] [32mMADT IRQ 9 -> GSI 9 flags: d[0m [init -> acpi_drv] [32mMADT IRQ 10 -> GSI 10 flags: d[0m [init -> acpi_drv] [32mMADT IRQ 11 -> GSI 11 flags: d[0m [init] child "ram_fs" announces service "File_system" [init -> noux] [32mtar archive 'coreutils.tar' local at 100000, size is 9269248[0m [init -> noux] [32mtar archive 'vim.tar' local at b0000000, size is 19947520[0m [init] child "rtc_drv" announces service "Rtc" [init] child "platform_drv" announces service "Platform" [init -> fb_drv] int Framebuffer_drv::map_io_mem(Genode::addr_t, Genode::size_t, bool, void**, Genode::addr_t, Genode::Dataspace_capability*): [33mfb mapped to 1000[0m [init] child "fb_drv" announces service "Framebuffer" [init -> fb_drv] [31mCould not open ROM session for module "config"[0m [init -> fb_drv] [31mCould not obtain config file[0m [init -> ps2_drv] [31mCould not open ROM session for module "config"[0m [init -> ps2_drv] [31mCould not obtain config file[0m [init -> ps2_drv] Using keyboard with scan code set 1 (xlate). [init -> ps2_drv] Detected ExPS/2 mouse - activating scroll-wheel and 5-button support. [init -> platform_drv] [32mPS2 uses IRQ, vector 0x1[0m [init -> noux] [32mtar archive 'bash.tar' local at a00000, size is 3555328[0m [init -> platform_drv] [32mPS2 uses IRQ, vector 0xc[0m [init] child "ps2_drv" announces service "Input" [init -> noux] [34mstdin VFS path not defined, connecting to Terminal session[0m [init -> fb_drv] Found: VESA BIOS version 3.0 [init -> fb_drv] OEM: SeaBIOS VBE(C) 2011 [init -> fb_drv] Found: physical frame buffer at 0xfd000000 size: 0x01000000 [init -> fb_drv] int Framebuffer_drv::map_io_mem(Genode::addr_t, Genode::size_t, bool, void**, Genode::addr_t, Genode::Dataspace_capability*): [33mfb mapped to b0000000[0m [init -> fb_drv] Using video mode: 2560 x 1600 x 16 [init -> terminal] cell size is 6x14 [init] child "terminal" announces service "Terminal" [init -> terminal] create terminal session [init -> terminal] new terminal session: [init -> terminal] framebuffer has 2560x1600 pixels [init -> terminal] character size is 6x14 pixels [init -> terminal] terminal size is 426x114 characters [init -> noux] [34mstdout VFS path not defined, connecting to Terminal session[0m [init -> noux] [34mstderr VFS path not defined, connecting to Terminal session[0m int main(): [33m--- init created, waiting for exit condition ---[0m [34mQuota exceeded! amount=24576, size=4096, consumed=24576[0m [init -> noux] [32mupgrading quota donation for Env::CPU (8192 bytes)[0m [init -> terminal] Error: escape stack overflow [init -> terminal] --- escape stack follows --- [init -> terminal] CODE 141 (0x8d '') [init -> terminal] CODE 78 (0x4e 'N') [init -> terminal] CODE 1 (0x1 '') [init -> terminal] CODE 141 (0x8d '') [init -> terminal] CODE 92 (0x5c '\') [init -> terminal] CODE 30 (0x1e '') [init -> terminal] CODE 255 (0xff 'ÿ') [init -> terminal] CODE 141 (0x8d '') [init -> terminal] CODE 116 (0x74 't') [init -> terminal] CODE 38 (0x26 '&') [init -> terminal] CODE 0 (0x0 ' [init -> terminal] CODE 64 (0x40 '@') [init -> terminal] NUMBER 9 (0x9 ' ') [init -> terminal] CODE 217 (0xd9 'Makefile:246: recipe for target 'run/noux_bash' failed

2 1

Shared library in Genode must be position-independent?
by Vincent Stone 29 Feb '16

29 Feb '16

Hi all: I am using Genode to do some SSL encryption stuff. My dev-board is i.MX6Quad running Genode 15.02. The OpenSSL version is 1.0.1i. I test the Crypto speed of OpenSSL in Genode. It's very slow( 7MB/s for aes-128-gcm) comparing to OpenSSL in Linux (16MB/s for aes-128-gcm). Genode's OpenSSL doesn't use the assembly code version of some critical crypto function. It disable this option in libcrypto.mk. If I do the same to Linux OpenSSL, the performance goes down to 9MB/s. So I enable this option in libcrypto.mk. use Genode compiler to compile it. Everything seems ok. No compiler/linker errors. But the program can not run. MMU exception occurs before the main program start. It seems that something goes wrong during the library loading. I am really confused. Why does Genode disable this assembly code option? ( I can only find a 1-sentence explaination on Genode release notes 12.08 <http://genode.org/documentation/release-notes/12.08> Because libcrypto provides certain optimized assembler functions, which > unfortunately are not expressed with position-independent code, we removed > this assembler code and build libcrypto with -DOPENSSL_NO_ASM I guess the loader of Genode can not handle load-time relocation for shared library so all shared library must be position independent. Am I right? Thank you. -- Best wishes Vincent

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