L4Linux network and SD Access

Daniel (Xiaolong) Wang xiaolongw at mail.usf.edu
Sun Jul 16 00:43:53 CEST 2017


Many thanks, Matthias for your hint. Sorry for the delay I was traveling last week. Unfortunately I still have trouble.


As you suggested I turned on the CONFIG_USE_OF in L4Linux configuration. I downloaded the  am3335x-black.dtb device tree from this link https://github.com/dominicgs/BeagleDancer/tree/master/devicetree <https://github.com/dominicgs/BeagleDancer/tree/master/devicetree>, and updated my devs file as follow:

+++++++++++++ l4linux.devs +++++++++++++ 
local Res = Io.Res
local Hw = Io.Hw

Io.hw_add_devices(function()

    prcm = Hw.Device(function()
        compatible = {"ti,am3-prcm"};
        Resource.regs = Res.mmio(0x44e00000, 0x44e03fff);
    end);

    edma = Hw.Device(function()
        Property.hid = "EDMA";
        compatible = {"ti,edma3"};
        Resource.regA = Res.mmio(0x49000000, 0x4900ffff);
        Resource.regB = Res.mmio(0x44e10f90, 0x44e10fcf);
        Resource.irqA = Res.irq(12);
        Resource.irqB = Res.irq(13);
        Resource.irqC = Res.irq(14);
    end);

    mmc1 = Hw.Device(function()
        Property.hid = "MMC1";
        compatible = {"ti,omap4-hsmmc"};
        Resource.regs = Res.mmio(0x48060000, 0x48060fff);
        Resource.irq = Res.irq(64);
        Property.flags = Io.Hw_device_DF_dma_supported;
    end);

    i2c0 = Hw.Device(function()
        Property.hid = "omap4-i2c0";
        compatible = {"ti,omap4-i2c"};
        Resource.regs = Res.mmio(0x44e0b000, 0x44e0bfff);
        Resource.irq = Res.irq(70);
    end);
end)

However when I try to boot the L4linux it shows me "error: failed to get physical address for 2000000.” and hangs… Is there anything that I did wrong? I also tried to remove  Property.flags = Io.Hw_device_DF_dma_supported; setup then it result in a different error: 

"IO      | vbus l4linux does not support a global DMA domain
error: could not assign DMA space to vBUS: -2
       DMA will not work!"

Thanks
-Dan

FYI

+++++++++++++ terminal log with  Property.flags = Io.Hw_device_DF_dma_supported;+++++++++++++ 

Starting kernel ...


L4 Bootstrapper
  Build: #51 Sat Jul 15 18:34:35 EDT 2017, 4.7.3
  Scanning up to 256 MB RAM, starting at offset 32MB
  Memory size is 256MB (80000000 - 8fffffff)
  RAM: 0000000080000000 - 000000008fffffff: 262144kB
  Total RAM: 256MB
  Scanning fiasco
  Scanning sigma0
  Scanning moe
  Moving up to 12 modules behind 81100000
  moving module 02 { 8198e000-819b749f } -> { 81a7e000-81aa749f } [169120]
  moving module 01 { 8197c000-8198d33b } -> { 81a6c000-81a7d33b } [70460]
  moving module 00 { 818fa000-8197b017 } -> { 819ea000-81a6b017 } [528408]
  moving module 11 { 815fa000-818f9fff } -> { 816ea000-819e9fff } [3145728]
  moving module 10 { 81200000-815f947b } -> { 812f0000-816e947b } [4166780]
  moving module 09 { 8108d000-811ff8c7 } -> { 8117d000-812ef8c7 } [1517768]
  moving module 08 { 81033000-8108c6ab } -> { 81123000-8117c6ab } [366252]
  moving module 07 { 81019000-81032463 } -> { 81109000-81122463 } [103524]
  moving module 06 { 81013000-81018bac } -> { 81103000-81108bac } [23469]
  moving module 05 { 81012000-81012a0d } -> { 81102000-81102a0d } [2574]
  moving module 04 { 81011000-8101123d } -> { 81101000-8110123d } [574]
  moving module 03 { 81010000-8101034c } -> { 81100000-8110034c } [845]
  Loading fiasco
  Loading sigma0
  Loading moe
  find kernel info page...
  found kernel info page (via ELF) at 80002000
Regions of list 'regions'
    [ 80000000,  800001a7] {      1a8} Root   mbi_rt
    [ 80001000,  80001b7f] {      b80} Kern   fiasco
    [ 80002000,  8008efff] {    8d000} Kern   fiasco
    [ 800c0000,  800c9cfb] {     9cfc} Sigma0 sigma0
    [ 800d0000,  800d6177] {     6178} Sigma0 sigma0
    [ 80140000,  8016eff3] {    2eff4} Root   moe
    [ 81000000,  8100f5c3] {     f5c4} Boot   bootstrap
    [ 81100000,  819e9fff] {   8ea000} Root   Module
  found kernel options (via ELF) at 80003000
  API Version: (87) experimental
  Sigma0 config    ip:800c0100 sp:00000000
  Roottask config  ip:80140260 sp:00000000
  Starting kernel fiasco at 80001350
Hello from Startup::stage2
FPU: Initialize
FPU0: Subarch: 3, Part: 30, Rev: 3, Var: c, Impl: 41
SERIAL ESC: allocated IRQ 72 for serial uart
Not using serial hack in slow timer handler.
Welcome to L4/Fiasco.OC!
L4/Fiasco.OC microkernel on arm
Rev: unknown compiled with gcc 4.7.3 for AM33xx    []
Build: #1 Mon Jun 26 12:21:04 EDT 2017

Calibrating timer loop... done.
MDB: use page size: 20
MDB: use page size: 12
SIGMA0: Hello!
  KIP @ 80002000
  allocated 4KB for maintenance structures
SIGMA0: Dump of all resource maps
RAM:------------------------
[4:80000000;80000fff]
[0:8008f000;800bffff]
[0:800ca000;800cffff]
[0:800d7000;8013ffff]
[4:80140000;8016efff]
[0:8016f000;810fffff]
[4:81100000;819e9fff]
[0:819ea000;8effffff]
IOMEM:----------------------
[0:0;7fffffff]
[0:90000000;ffffffff]
MOE: Hello world
MOE: found 235804 KByte free memory
MOE: found RAM from 80000000 to 8f000000
MOE: allocated 240 KByte for the page array @0x800d7000
MOE: virtual user address space [0-bfffffff]
MOE: rom name space cap -> [C:103000]
  BOOTFS: [81100000-8110034d] [C:105000] l4linux.cfg
  BOOTFS: [81101000-8110123e] [C:107000] l4linux.io
  BOOTFS: [81102000-81102a0e] [C:109000] l4linux.devs
  BOOTFS: [81103000-81108bad] [C:10b000] device-tree.dtb
  BOOTFS: [81109000-81122464] [C:10d000] l4re
  BOOTFS: [81123000-8117c6ac] [C:10f000] ned
  BOOTFS: [8117d000-812ef8c8] [C:111000] io
  BOOTFS: [812f0000-816e947c] [C:113000] vmlinuz
  BOOTFS: [816ea000-819ea000] [C:115000] ramdisk-arm.rd
MOE: cmdline: moe rom/l4linux.cfg
MOE: Starting: rom/ned rom/l4linux.cfg
MOE: loading 'rom/ned'
Ned says: Hi World!
Ned: loading file: 'rom/l4linux.cfg'
IO      | Io service
IO      | Verboseness level: 7
IO      | unused physical memory space:
IO      |   [00000000000000-0000007fffffff]
IO      |   [00000090000000-000000ffffffff]
IO      | no 'iommu' capability found use CPU-phys for DMA
IO      | Loading: config 'rom/l4linux.devs'
IO      | warning: inconsistent fixed resource @ device: /System Bus/
IO      |   : hid=MMC1
IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref (32bit) (align=0 flags=6)
IO      | Loading: config 'rom/l4linux.io'
IO      | Add IRQ resources to vbus: IRQ     [0000000000000d-0000000000000d 1] none (32bit) (align=0 flags=1)
IO      | Add IRQ resources to vbus: IRQ     [0000000000000e-0000000000000e 1] none (32bit) (align=0 flags=1)
IO      | Add IRQ resources to vbus: IRQ     [0000000000000c-0000000000000c 1] none (32bit) (align=0 flags=1)
IO      | Add IRQ resources to vbus: IRQ     [00000000000046-00000000000046 1] none (32bit) (align=0 flags=1)
IO      | Add IRQ resources to vbus: IRQ     [00000000000040-00000000000040 1] none (32bit) (align=0 flags=1)
IO      | l4linux: [N12_GLOBAL__N_112Virtual_sbusE]
IO      |   Resources: ==== start ====
IO      |   Resources: ===== end =====
IO      |   L4ICU: [N2Vi6Sw_icuE]
IO      |     Resources: ==== start ====
IO      |     Resources: ===== end =====
IO      |   edma: [N2Vi9Proxy_devE]
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e10f90-00000044e10fcf 40] non-pref (32bit) (align=3f flags=2)
IO      |     IRQ     [0000000000000d-0000000000000d 1] none (32bit) (align=0 flags=1)
IO      |     IOMEM   [00000049000000-0000004900ffff 10000] non-pref (32bit) (align=ffff flags=2)
IO      |     IRQ     [0000000000000e-0000000000000e 1] none (32bit) (align=0 flags=1)
IO      |     IRQ     [0000000000000c-0000000000000c 1] none (32bit) (align=0 flags=1)
IO      |     Resources: ===== end =====
IO      |   i2c0: [N2Vi9Proxy_devE]
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e0b000-00000044e0bfff 1000] non-pref (32bit) (align=fff flags=2)
IO      |     IRQ     [00000000000046-00000000000046 1] none (32bit) (align=0 flags=1)
IO      |     Resources: ===== end =====
IO      |   mmc1: [N2Vi9Proxy_devE]
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000048060000-00000048060fff 1000] non-pref (32bit) (align=fff flags=2)
IO      |     IRQ     [00000000000040-00000000000040 1] none (32bit) (align=0 flags=1)
IO      |     DMADOM  [00000000000000-00000000000000 1] non-pref (32bit) (align=0 flags=6)
IO      |     Resources: ===== end =====
IO      |   prcm: [N2Vi9Proxy_devE]
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e00000-00000044e03fff 4000] non-pref (32bit) (align=3fff flags=2)
IO      |     Resources: ===== end =====
IO      | Real Hardware -----------------------------------
IO      | System Bus: hid=
IO      |   Resources: ==== start ====
IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref (32bit) (align=0 flags=6)
IO      |   Resources: ===== end =====
IO      |   mmc1: hid=MMC1
IO      |     Clients: ===== start ====
IO      |       mmc1: [N2Vi9Proxy_devE]
IO      |     Clients: ===== end ====
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000048060000-00000048060fff 1000] non-pref (32bit) (align=fff flags=2)
IO      |     IRQ     [00000000000040-00000000000040 1] none (32bit) (align=0 flags=1)
IO      |     DMADOM  [00000000000000-00000000000000 1] non-pref (32bit) (align=0 flags=6)
IO      |     Resources: ===== end =====
IO      |   prcm: hid=
IO      |     Clients: ===== start ====
IO      |       prcm: [N2Vi9Proxy_devE]
IO      |     Clients: ===== end ====
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e00000-00000044e03fff 4000] non-pref (32bit) (align=3fff flags=2)
IO      |     Resources: ===== end =====
IO      |   edma: hid=EDMA
IO      |     Clients: ===== start ====
IO      |       edma: [N2Vi9Proxy_devE]
IO      |     Clients: ===== end ====
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e10f90-00000044e10fcf 40] non-pref (32bit) (align=3f flags=2)
IO      |     IRQ     [0000000000000d-0000000000000d 1] none (32bit) (align=0 flags=1)
IO      |     IOMEM   [00000049000000-0000004900ffff 10000] non-pref (32bit) (align=ffff flags=2)
IO      |     IRQ     [0000000000000e-0000000000000e 1] none (32bit) (align=0 flags=1)
IO      |     IRQ     [0000000000000c-0000000000000c 1] none (32bit) (align=0 flags=1)
IO      |     Resources: ===== end =====
IO      |   i2c0: hid=omap4-i2c0
IO      |     Clients: ===== start ====
IO      |       i2c0: [N2Vi9Proxy_devE]
IO      |     Clients: ===== end ====
IO      |     Resources: ==== start ====
IO      |     IOMEM   [00000044e0b000-00000044e0bfff 1000] non-pref (32bit) (align=fff flags=2)
IO      |     IRQ     [00000000000046-00000000000046 1] none (32bit) (align=0 flags=1)
IO      |     Resources: ===== end =====
IO      | warning: could not register control interface at cap 'platform_ctl'
IO      | Ready. Waiting for request.
PH  0 offs=00008000 flags=rwx PH-type=0x1
      virt=02000000 evirt=0246763c
      phys=02000000 ephys=0246763c
      f_sz=003de3d5 memsz=0046763c
PH  1 offs=00396294 flags=r-x PH-type=0x4
      virt=0238e294 evirt=0238e2b8
      phys=0238e294 ephys=0238e2b8
      f_sz=00000024 memsz=00000024
PH  2 offs=00000000 flags=rwx PH-type=0x6474e551
      virt=00000000 evirt=00000000
      phys=00000000 ephys=00000000
      f_sz=00000000 memsz=00000000
Starting binary at 0x2000310, argc=10 argv=0xafff4f7c *argv=0xb1007ff4 argv0=rom/vmlinuz
External resolver is at 0xa80007fc
======> L4Linux starting... <========
Linux version 4.7.0-l4 (daniel at daniel-ubuntu14) (gcc version 4.7.3 (Ubuntu/Linaro 4.7.3-12ubuntu1) ) #5 Sat Jul 15 17:28:20 EDT 2017
Binary name: rom/vmlinuz
   This is an AEABI build.
Linux kernel command line (9 args): mem=128M console=ttyLv0 l4x_rd=rom/ramdisk-arm.rd root=1:0 l4x_dtb=rom/device-tree.dtb ramdisk_size=4000 showpfexc=1 showghost=1 print-fatal-signals=1
CPU mapping (l:p)[1]: 0:0
Image: 02000000 - 02600000 [6144 KiB].
Areas: Text:     02000000 - 0238e2b8 [3640kB]
       RO-Data:  022ad000 - 02375000 [800kB]
       Data:     023b6000 - 023d9680 [141kB]
       Init:     0238f000 - 023b6000 [156kB]
       BSS:      023de3d5 - 0246763c [548kB]
Device scan:
  Device: L4ICU
  Device: edma
    MEM: 44e10f90 - 44e10fcf
    IRQ: 0000000d - 0000000d
    MEM: 49000000 - 4900ffff
    IRQ: 0000000e - 0000000e
    IRQ: 0000000c - 0000000c
  Device: i2c0
    MEM: 44e0b000 - 44e0bfff
    IRQ: 00000046 - 00000046
  Device: mmc1
    MEM: 48060000 - 48060fff
    IRQ: 00000040 - 00000040
    DMAD: 00000000 - 00000000
  Device: prcm
    MEM: 44e00000 - 44e03fff
Device scan done.
IO      | DMA: use CPU-phys addresses for DMA
l4lx_thread_create: Created thread 41d (cpu0) (u:b3000e00, v:b3000c00, sp:023b7fa4)
main thread will be 41d
L4x: section-with-init(-data): Virt: 0x2000000 to 0x2467fff [4512 KiB]
section-with-init(-data): Phys: 0x80177000 to 0x805defff, [4512 KiB]
L4x: section-with-init-text: Virt: 0x2000000 to 0x2467fff [4512 KiB]
error: failed to get physical address for 2000000.
L4x: Main thread running, waiting...
L4x: Memory size: 128MB
L4x: Setting superpages for main memory
L4x: Adjusted memory start: 02000000
L4x:     Main memory: Virt: 0x2600000 to 0xa5fffff [131072 KiB]
    Main memory: Phys: 0x81a00000 to 0x899fffff, [131072 KiB]
l4x: vmalloc area: 0a600000 - 12600000
L4x:            text: Virt: 0x2000000 to 0x2467fff [4512 KiB]
error: failed to get physical address for 2000000.


> On Jul 9, 2017, at 11:17 AM, Matthias Lange <matthias.lange at kernkonzept.com> wrote:
> 
> Hi,
> 
> On 07/08/2017 01:41 AM, Daniel (Xiaolong) Wang wrote:
>> Hi Adam,
>> 
>> I setup CONFIG_L4_SERVER, I checked using nm the result is:
>> 
>> *00000800 W l4x_srv_init*
>> *00000804 t l4x_srv_init_resolver*
>> 
>> I also tested without the CONFIG_L4_SERVER, it works with out
>> CONFIG_L4_SERVER. However I could not see the the MMC under /dev folder
>> or under /sys/device. Does that mean the IO configuration file I
>> specified does not work?
> 
> The setup looks ok. In io's log output you can see that e.g. the edma
> and the mmc1 device both have a client. You can increase io's log
> verboseness by adding more (up to seven) '-v' switches. Eventually you
> will get the vbus configuration printed.
> 
> The reason you don't see any MMC device in /dev is that L4Linux does not
> know about the physical devices (yet). You have to pass in a device tree
> (FDT) using the 'l4x_dtb' kernel command line option e.g.
> 
> l4x_dtb=rom/your_device_tree.dtb
> 
> Don't forget to add the device tree to your entry in the modules.list
> file. Also make sure to enable CONFIG_USE_OF in your L4Linux configuration.
> 
> Best,
> Matthias.
> 
>> 
>> The IO stil shows “no 'iommu' capability found use CPU-phys for DMA” and
>> a warning “warning: could not register control interface at cap
>> 'platform_ctl'"
>> 
>> Attachment is the newest configuration file:
>> ************* l4linux.cfg *************
>> local L4 = require("L4");
>> 
>> local loader = L4.default_loader;
>> 
>> local lxname = "vmlinuz"
>> 
>> -- start io
>> local vbus_l4linux = loader:new_channel();
>> local vbus_input = loader:new_channel();
>> 
>> loader:start(
>>  {
>>    caps = {
>>        sigma0  = L4.cast(L4.Proto.Factory,
>> L4.Env.sigma0):create(L4.Proto.Sigma0);
>>        icu = L4.Env.icu;
>>        input = vbus_input:svr();
>>        l4linux = vbus_l4linux:svr();
>>    },
>>    log = {"IO", "magenta"},
>>  }, 
>>  "rom/io -vvv rom/l4linux.devs rom/l4linux.io <http://l4linux.io/> <http://l4linux.io <http://l4linux.io/>>"
>> );
>> 
>> 
>> loader:start(
>>  {
>>    caps = {
>>        vbus = vbus_l4linux;
>>    },
>>    l4re_dbg = L4.Dbg.Warn,
>>    log = L4.Env.log:m("rws");
>>  },
>>  "rom/vmlinuz mem=128M console=ttyLv0 l4x_rd=rom/ramdisk-"
>>  .. L4.Info.arch() .. ".rd root=1:0 ramdisk_size=4000 showpfexc=1
>> showghost=1 print-fatal-signals=1"
>> );
>> 
>> ************* l4linux.devs *************
>> local Res = Io.Res
>> local Hw = Io.Hw
>> 
>> Io.hw_add_devices(function()
>> 
>> Io.hw_add_devices(function()
>>    prcm = Hw.Device(function()
>>        compatible = {"ti,am3-prcm"};
>>        Resource.regs = Res.mmio(0x44e00000, 0x44e03fff);
>>    end);
>> 
>>   edma = Hw.Device(function()
>>        Property.hid = "EDMA";
>>        compatible = {"ti,edma3"};
>>        Resource.regs = Res.mmio(0x49000000, 0x4900ffff);
>>        Resource.regs = Res.mmio(0x44e10f90, 0x44e10fcf);
>>        Resource.irqA = Res.irq(12);
>>        Resource.irqB = Res.irq(13);
>>        Resource.irqC = Res.irq(14);
>>    end);
>> 
>>    mmc1 = Hw.Device(function()
>>        Property.hid = "MMC1";
>>        compatible = {"ti,omap4-hsmmc"};
>>        Resource.regs = Res.mmio(0x48060000, 0x48060fff);
>>        Resource.irq = Res.irq(64);
>>        Property.flags = Io.Hw_device_DF_dma_supported;
>>    end);
>> 
>>    i2c0 = Hw.Device(function()
>>        Property.hid = "omap4-i2c0";
>>        compatible = {"ti,omap4-i2c"};
>>        Resource.regs = Res.mmio(0x44e0b000, 0x44e0bfff);
>>        Resource.irq = Res.irq(70);
>>    end);
>> end)
>> 
>> ************* l4linux.io <http://l4linux.io/> <http://l4linux.io <http://l4linux.io/>> *************
>> local hw = Io.system_bus()
>> 
>> 
>> Io.add_vbus("l4linux", Io.Vi.System_bus
>> {
>>  prcm = wrap(hw:match("ti,am3-prcm"));
>>  edma = wrap(hw:match("ti,edma3"));
>>  mmc1 = wrap(hw:mmc1);
>>  -- mmc2 = wrap(hw:mmc2);
>>  -- mmc3 = wrap(hw:mmc3);
>>  i2c0 = wrap(hw:i2c0);
>>  -- i2c1 = wrap(hw:i2c1);
>> })
>> 
>> ************* Booting info *************
>> Starting kernel ...
>> 
>> 
>> L4 Bootstrapper
>>  Build: #47 Fri Jul  7 19:33:01 EDT 2017, 4.7.3
>>  Scanning up to 256 MB RAM, starting at offset 32MB
>>  Memory size is 256MB (80000000 - 8fffffff)
>>  RAM: 0000000080000000 - 000000008fffffff: 262144kB
>>  Total RAM: 256MB
>>  Scanning fiasco
>>  Scanning sigma0
>>  Scanning moe
>>  Moving up to 11 modules behind 81100000
>>  moving module 02 { 81978000-819a149f } -> { 81a68000-81a9149f } [169120]
>>  moving module 01 { 81966000-8197733b } -> { 81a56000-81a6733b } [70460]
>>  moving module 00 { 818e4000-81965017 } -> { 819d4000-81a55017 } [528408]
>>  moving module 10 { 815e4000-818e3fff } -> { 816d4000-819d3fff } [3145728]
>>  moving module 09 { 811fa000-815e347b } -> { 812ea000-816d347b } [4101244]
>>  moving module 08 { 81087000-811f98c7 } -> { 81177000-812e98c7 } [1517768]
>>  moving module 07 { 8102d000-810866ab } -> { 8111d000-811766ab } [366252]
>>  moving module 06 { 81013000-8102c463 } -> { 81103000-8111c463 } [103524]
>>  moving module 05 { 81012000-81012a0a } -> { 81102000-81102a0a } [2571]
>>  moving module 04 { 81011000-8101123d } -> { 81101000-8110123d } [574]
>>  moving module 03 { 81010000-8101032d } -> { 81100000-8110032d } [814]
>>  Loading fiasco
>>  Loading sigma0
>>  Loading moe
>>  find kernel info page...
>>  found kernel info page (via ELF) at 80002000
>> Regions of list 'regions'
>>    [ 80000000,  80000187] {      188} Root   mbi_rt
>>    [ 80001000,  80001b7f] {      b80} Kern   fiasco
>>    [ 80002000,  8008efff] {    8d000} Kern   fiasco
>>    [ 800c0000,  800c9cfb] {     9cfc} Sigma0 sigma0
>>    [ 800d0000,  800d6177] {     6178} Sigma0 sigma0
>>    [ 80140000,  8016eff3] {    2eff4} Root   moe
>>    [ 81000000,  8100f5a3] {     f5a4} Boot   bootstrap
>>    [ 81100000,  819d3fff] {   8d4000} Root   Module
>>  found kernel options (via ELF) at 80003000
>>  API Version: (87) experimental
>>  Sigma0 config    ip:800c0100 sp:00000000
>>  Roottask config  ip:80140260 sp:00000000
>>  Starting kernel fiasco at 80001350
>> Hello from Startup::stage2
>> FPU: Initialize
>> FPU0: Subarch: 3, Part: 30, Rev: 3, Var: c, Impl: 41
>> SERIAL ESC: allocated IRQ 72 for serial uart
>> Not using serial hack in slow timer handler.
>> Welcome to L4/Fiasco.OC!
>> L4/Fiasco.OC microkernel on arm
>> Rev: unknown compiled with gcc 4.7.3 for AM33xx    []
>> Build: #1 Mon Jun 26 12:21:04 EDT 2017
>> 
>> Calibrating timer loop... done.
>> MDB: use page size: 20
>> MDB: use page size: 12
>> SIGMA0: Hello!
>>  KIP @ 80002000
>>  allocated 4KB for maintenance structures
>> SIGMA0: Dump of all resource maps
>> RAM:------------------------
>> [4:80000000;80000fff]
>> [0:8008f000;800bffff]
>> [0:800ca000;800cffff]
>> [0:800d7000;8013ffff]
>> [4:80140000;8016efff]
>> [0:8016f000;810fffff]
>> [4:81100000;819d3fff]
>> [0:819d4000;8effffff]
>> IOMEM:----------------------
>> [0:0;7fffffff]
>> [0:90000000;ffffffff]
>> MOE: Hello world
>> MOE: found 235892 KByte free memory
>> MOE: found RAM from 80000000 to 8f000000
>> MOE: allocated 240 KByte for the page array @0x800d7000
>> MOE: virtual user address space [0-bfffffff]
>> MOE: rom name space cap -> [C:103000]
>>  BOOTFS: [81100000-8110032e] [C:105000] l4linux.cfg
>>  BOOTFS: [81101000-8110123e] [C:107000] l4linux.io <http://l4linux.io/> <http://l4linux.io <http://l4linux.io/>>
>>  BOOTFS: [81102000-81102a0b] [C:109000] l4linux.devs
>>  BOOTFS: [81103000-8111c464] [C:10b000] l4re
>>  BOOTFS: [8111d000-811766ac] [C:10d000] ned
>>  BOOTFS: [81177000-812e98c8] [C:10f000] io
>>  BOOTFS: [812ea000-816d347c] [C:111000] vmlinuz
>>  BOOTFS: [816d4000-819d4000] [C:113000] ramdisk-arm.rd
>> MOE: cmdline: moe rom/l4linux.cfg
>> MOE: Starting: rom/ned rom/l4linux.cfg
>> MOE: loading 'rom/ned'
>> Ned says: Hi World!
>> Ned: loading file: 'rom/l4linux.cfg'
>> *IO      | Io service*
>> *IO      | Verboseness level: 4*
>> *IO      | unused physical memory space:*
>> *IO      |   [00000000000000-0000007fffffff]*
>> *IO      |   [00000090000000-000000ffffffff]*
>> *IO      | no 'iommu' capability found use CPU-phys for DMA*
>> *IO      | Loading: config 'rom/l4linux.devs'*
>> *IO      | warning: inconsistent fixed resource @ device: /System Bus/*
>> *IO      |   : hid=MMC1*
>> *IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref (32bit)
>> (align=0 flags=6)*
>> *IO      | Loading: config 'rom/l4linux.io <http://l4linux.io/> <http://l4linux.io <http://l4linux.io/>>'*
>> *IO      | Real Hardware -----------------------------------*
>> *IO      | System Bus: hid=*
>> *IO      |   Resources: ==== start ====*
>> *IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref (32bit)
>> (align=0 flags=6)*
>> *IO      |   Resources: ===== end =====*
>> *IO      |   mmc1: hid=MMC1*
>> *IO      |     Clients: ===== start ====*
>> *IO      |       mmc1: [N2Vi9Proxy_devE]*
>> *IO      |     Clients: ===== end ====*
>> *IO      |     Resources: ==== start ====*
>> *IO      |     IOMEM   [00000048060000-00000048060fff 1000] non-pref
>> (32bit) (align=fff flags=2)*
>> *IO      |     IRQ     [00000000000040-00000000000040 1] none (32bit)
>> (align=0 flags=1)*
>> *IO      |     DMADOM  [00000000000000-00000000000000 1] non-pref
>> (32bit) (align=0 flags=6)*
>> *IO      |     Resources: ===== end =====*
>> *IO      |   prcm: hid=*
>> *IO      |     Clients: ===== start ====*
>> *IO      |       prcm: [N2Vi9Proxy_devE]*
>> *IO      |     Clients: ===== end ====*
>> *IO      |     Resources: ==== start ====*
>> *IO      |     IOMEM   [00000044e00000-00000044e03fff 4000] non-pref
>> (32bit) (align=3fff flags=2)*
>> *IO      |     Resources: ===== end =====*
>> *IO      |   edma: hid=EDMA*
>> *IO      |     Clients: ===== start ====*
>> *IO      |       edma: [N2Vi9Proxy_devE]*
>> *IO      |     Clients: ===== end ====*
>> *IO      |     Resources: ==== start ====*
>> *IO      |     IOMEM   [00000044e10f90-00000044e10fcf 40] non-pref
>> (32bit) (align=3f flags=2)*
>> *IO      |     IRQ     [0000000000000e-0000000000000e 1] none (32bit)
>> (align=0 flags=1)*
>> *IO      |     Resources: ===== end =====*
>> *IO      |   i2c0: hid=omap4-i2c0*
>> *IO      |     Clients: ===== start ====*
>> *IO      |       i2c0: [N2Vi9Proxy_devE]*
>> *IO      |     Clients: ===== end ====*
>> *IO      |     Resources: ==== start ====*
>> *IO      |     IOMEM   [00000044e0b000-00000044e0bfff 1000] non-pref
>> (32bit) (align=fff flags=2)*
>> *IO      |     IRQ     [00000000000046-00000000000046 1] none (32bit)
>> (align=0 flags=1)*
>> *IO      |     Resources: ===== end =====*
>> *IO      | warning: could not register control interface at cap
>> 'platform_ctl'*
>> *IO      | Ready. Waiting for request.*
>> PH  0 offs=00008000 flags=rwx PH-type=0x1
>>      virt=02000000 evirt=0245743c
>>      phys=02000000 ephys=0245743c
>>      f_sz=003ce3d5 memsz=0045743c
>> PH  1 offs=003889a4 flags=r-x PH-type=0x4
>>      virt=023809a4 evirt=023809c8
>>      phys=023809a4 ephys=023809c8
>>      f_sz=00000024 memsz=00000024
>> PH  2 offs=00000000 flags=rwx PH-type=0x6474e551
>>      virt=00000000 evirt=00000000
>>      phys=00000000 ephys=00000000
>>      f_sz=00000000 memsz=00000000
>> Starting binary at 0x2000310, argc=9 argv=0xafff4f84 *argv=0xb1007ff4
>> argv0=rom/vmlinuz
>> External resolver is at 0xa80007fc
>> ======> L4Linux starting... <========
>> Linux version 4.7.0-l4 (daniel at daniel-ubuntu14) (gcc version 4.7.3
>> (Ubuntu/Linaro 4.7.3-12ubuntu1) ) #4 Fri Jul 7 19:22:05 EDT 2017
>> Binary name: rom/vmlinuz
>>   This is an AEABI build.
>> Linux kernel command line (8 args): mem=128M console=ttyLv0
>> l4x_rd=rom/ramdisk-arm.rd root=1:0 ramdisk_size=4000 showpfexc=1
>> showghost=1 print-fatal-signals=1
>> CPU mapping (l:p)[1]: 0:0
>> Image: 02000000 - 02600000 [6144 KiB].
>> Areas: Text:     02000000 - 023809c8 [3586kB]
>>       RO-Data:  022a5000 - 02368000 [780kB]
>>       Data:     023a6000 - 023c9540 [141kB]
>>       Init:     02381000 - 023a6000 [148kB]
>>       BSS:      023ce3d5 - 0245743c [548kB]
>> Device scan:
>>  Device: L4ICU
>>  Device: edma
>>    MEM: 44e10f90 - 44e10fcf
>>    IRQ: 0000000e - 0000000e
>>  Device: i2c0
>>    MEM: 44e0b000 - 44e0bfff
>>    IRQ: 00000046 - 00000046
>>  Device: mmc1
>>    MEM: 48060000 - 48060fff
>>    IRQ: 00000040 - 00000040
>>    DMAD: 00000000 - 00000000
>>  Device: prcm
>>    MEM: 44e00000 - 44e03fff
>> Device scan done.
>> l4lx_thread_create: Created thread 41d (cpu0) (u:b3000e00, v:b3000c00,
>> sp:023a7fa4)
>> main thread will be 41d
>> L4x: section-with-init(-data): Virt: 0x2000000 to 0x2457fff [4448 KiB]
>> section-with-init(-data): Phys: 0x80176000 to 0x805cdfff, [4448 KiB]
>> L4x: section-with-init-text: Virt: 0x2000000 to 0x2457fff [4448 KiB]
>> error: failed to get physical address for 2000000.
>> L4x: Main thread running, waiting...
>> L4x: Memory size: 128MB
>> L4x: Setting superpages for main memory
>> L4x: Adjusted memory start: 02000000
>> L4x:     Main memory: Virt: 0x2600000 to 0xa5fffff [131072 KiB]
>>    Main memory: Phys: 0x81a00000 to 0x899fffff, [131072 KiB]
>> l4x: vmalloc area: 0a600000 - 12600000
>> L4x:            text: Virt: 0x2000000 to 0x2457fff [4448 KiB]
>> error: failed to get physical address for 2000000.
>> Loading: rom/ramdisk-arm.rd
>> INITRD: Size of RAMdisk is 3072KiB
>> RAMdisk from 00002000 to 00302000 [3072KiB]
>> l4lx_thread_create: Created thread 422 (timer0) (u:b3000a00, v:00000000,
>> sp:023effa0)
>> Booting Linux on physical CPU 0x0
>> Linux version 4.7.0-l4 (daniel at daniel-ubuntu14) (gcc version 4.7.3
>> (Ubuntu/Linaro 4.7.3-12ubuntu1) ) #4 Fri Jul 7 19:22:05 EDT 2017
>> CPU: Fiasco [413fc082] revision 2 (ARMv7), cr=00400000
>> CPU: PIPT / VIPT nonaliasing data cache, VIPT nonaliasing instruction cache
>> Machine: L4
>> Ignoring unrecognised tag 0x00000000
>> Memory policy: Data cache writealloc
>> CPU: All CPU(s) started in SVC mode.
>> INITRD: 00002000 - 00302000
>> Built 1 zonelists in Zone order, mobility grouping on.  Total pages: 33973
>> Kernel command line: mem=128M console=ttyLv0 l4x_rd=rom/ramdisk-arm.rd
>> root=1:0 ramdisk_size=4000 showpfexc=1 showghost=1 print-fatal-signals=1
>> PID hash table entries: 1024 (order: 0, 4096 bytes)
>> Dentry cache hash table entries: 32768 (order: 5, 131072 bytes)
>> Inode-cache hash table entries: 16384 (order: 4, 65536 bytes)
>> Memory: 129696K/137220K available (2806K kernel code, 141K rwdata, 780K
>> rodata, 148K init, 548K bss, 7524K reserved, 0K cma-reserved)
>> Virtual kernel memory layout:
>>    vector  : 0xbffff000 - 0xc0000000   (   4 kB)
>>    fixmap  : 0xffc00000 - 0xfff00000   (3072 kB)
>>    vmalloc : 0x0a600000 - 0x12600000   ( 128 MB)
>>    lowmem  : 0x00000000 - 0x0a600000   ( 166 MB)
>>    modules : 0x01010000 - 0x02000000   (  15 MB)
>>      .text : 0x02000000 - 0x023809c8   (3587 kB)
>>      .init : 0x02381000 - 0x023a6000   ( 148 kB)
>>      .data : 0x023a6000 - 0x023c9540   ( 142 kB)
>>       .bss : 0x023ce3d5 - 0x0245743c   ( 549 kB)
>> NR_IRQS:282
>> clocksource: l4kipclk: mask: 0xffffffffffffffff max_cycles: 0x1d854df40,
>> max_idle_ns: 3526361616960 ns
>> l4timer: Using IRQ210
>> sched_clock: 64 bits at 1000kHz, resolution 1000ns, wraps every
>> 2199023255500ns
>> Console: colour dummy device 80x30
>> console [ttyLv0] enabled
>> Calibrating delay loop... 990.41 BogoMIPS (lpj=4952064)
>> 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
>> Setting up static identity map for 0x2000000 - 0x2000000
>> VFP support v0.3: implementor 41 architecture 3 part 30 variant c rev 3
>> 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
>> Failed to create "l4x" debugfs directory: 1
>> clocksource: Switched to clocksource l4kipclk
>> NET: Registered protocol family 2
>> TCP established hash table entries: 2048 (order: 1, 8192 bytes)
>> TCP bind hash table entries: 2048 (order: 1, 8192 bytes)
>> TCP: Hash tables configured (established 2048 bind 2048)
>> UDP hash table entries: 256 (order: 0, 4096 bytes)
>> UDP-Lite hash table entries: 256 (order: 0, 4096 bytes)
>> NET: Registered protocol family 1
>> Trying to unpack rootfs image as initramfs...
>> rootfs image is not initramfs (junk in compressed archive); looks like
>> an initrd
>> INITRD: Freeing memory.
>> l4x: Checks passed.
>> NetWinder Floating Point Emulator V0.97 (double precision)
>> futex hash table entries: 256 (order: -1, 3072 bytes)
>> workingset: timestamp_bits=29 max_order=15 bucket_order=0
>> io scheduler noop registered
>> io scheduler deadline registered
>> io scheduler cfq registered (default)
>> L4 serial driver
>> serial-ttyLv.0: ttyLv0 at MMIO 0x1 (irq = 211, base_baud = 230400) is a
>> L4-vcon
>> l4ser_shm: L4 shared mem serial driver
>> l4cdds: No name given, not starting.
>> brd: module loaded
>> l4bdds: No name given, not starting.
>> mousedev: PS/2 mouse device common for all mice
>> NET: Registered protocol family 17
>> L4IRQ: set irq type of 211 to 1
>> RAMDISK: ext2 filesystem found at block 0
>> RAMDISK: Loading 3072KiB [1 disk] into ram disk... done.
>> EXT4-fs (ram0): couldn't mount as ext3 due to feature incompatibilities
>> EXT4-fs (ram0): mounting ext2 file system using the ext4 subsystem
>> EXT4-fs (ram0): mounted filesystem without journal. Opts: (null)
>> VFS: Mounted root (ext2 filesystem) readonly on device 1:0.
>> Freeing unused kernel memory: 148K (02381000 - 023a6000)
>> This architecture does not have kernel memory protection.
>> 
>> Please press Enter to activate this console.
>> 
>> Thanks
>> -Dan
>> 
>>> On Jul 7, 2017, at 6:08 PM, Adam Lackorzynski
>>> <adam at os.inf.tu-dresden.de <mailto:adam at os.inf.tu-dresden.de> <mailto:adam at os.inf.tu-dresden.de <mailto:adam at os.inf.tu-dresden.de>>> wrote:
>>> 
>>> 
>>> On Fri Jul 07, 2017 at 16:49:35 -0500, Daniel (Xiaolong) Wang wrote:
>>>> Many thanks to Matthias and Adam. With you help I was able to get
>>>> some progress on BeagleBone Black. Here is what I have:
>>>> 
>>>> ********* l4linux.cfg *********
>>>> local L4 = require("L4");
>>>> 
>>>> local loader = L4.default_loader;
>>>> 
>>>> local lxname = "vmlinuz"
>>>> 
>>>> -- start io
>>>> local vbus_l4linux = loader:new_channel();
>>>> local vbus_input = loader:new_channel();
>>>> 
>>>> loader:start(
>>>> {
>>>>   caps = {
>>>>       sigma0  = L4.cast(L4.Proto.Factory,
>>>> L4.Env.sigma0):create(L4.Proto.Sigma0);
>>>>       icu = L4.Env.icu;
>>>>       input = vbus_input:svr();
>>>>       l4linux = vbus_l4linux:svr();
>>>>   },
>>>>   log = {"IO", "magenta"},
>>>> }, 
>>>> "rom/io rom/l4linux.io <http://l4linux.io/> <http://l4linux.io <http://l4linux.io/>>"
>>>> );
>>>> 
>>>> 
>>>> loader:start(
>>>> {
>>>>   caps = {
>>>>       vbus = vbus_l4linux;
>>>>   },
>>>>   l4re_dbg = L4.Dbg.Warn,
>>>>   log = L4.Env.log:m("rws");
>>>> },
>>>> "rom/vmlinuz mem=128M console=ttyLv0 lvx_rd=rom/ramdisk-"
>>>> .. L4.Info.arch() .. ".rd root=1:0 ramdisk_size=4000"
>>>> );
>>>> 
>>>> ********* l4linux.devs ********* (according
>>>> to https://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/am33xx.dtsi<https://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/am33xx.dtsi> <https://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/am33xx.dtsi%3Chttps://github.com/beagleboard/devicetree-source/blob/master/arch/arm/boot/dts/am33xx.dtsi%3E>)
>>>> local Res = Io.Res
>>>> local Hw = Io.Hw
>>>> 
>>>> Io.hw_add_devices(function()
>>>> 
>>>>   prcm = Hw.Device(function()
>>>>       compatible = {"ti,am3-prcm"};
>>>>       Resource.regs = Res.mmio(0x44e00000, 0x44e03fff);
>>>>   end);
>>>> 
>>>>   edma = Hw.Device(function()
>>>>       Property.hid = "EDMA";
>>>>       compatible = {"ti,edma3"};
>>>>       Resource.regs = Res.mmio(0x49000000, 0x4900ffff);
>>>>       Resource.regs = Res.mmio(0x44e10f90, 0x44e10fcf);
>>>>       Resource.irq = Res.irq(12);
>>>>       Resource.irq = Res.irq(13);
>>>>       Resource.irq = Res.irq(14);
>>>>   end);
>>>> 
>>>>   mmc1 = Hw.Device(function()
>>>>       Property.hid = "MMC1";
>>>>       compatible = {"ti,omap4-hsmmc"};
>>>>       Resource.regs = Res.mmio(0x48060000, 0x48060fff);
>>>>       Resource.irq = Res.irq(64);
>>>> --        Property.flags = Io.Hw_device_DF_dma_supported;
>>>>   end);
>>>> 
>>>>   mmc2 = Hw.Device(function()
>>>>       Property.hid = "MMC2";
>>>>       compatible = {"ti,omap4-hsmmc"};
>>>>       Resource.regs = Res.mmio(0x481d8000, 0x481d8fff);
>>>>       Resource.irq = Res.irq(28);
>>>> --        Property.flags = Io.Hw_device_DF_dma_supported;
>>>>   end);
>>>> 
>>>>   mmc3 = Hw.Device(function()
>>>>       Property.hid = "MMC3";
>>>>       compatible = {"ti,omap4-hsmmc"};
>>>>       Resource.regs = Res.mmio(0x47810000, 0x47810fff);
>>>>       Resource.irq = Res.irq(29);
>>>> --        Property.flags = Io.Hw_device_DF_dma_supported;
>>>>   end);
>>>> 
>>>>   i2c0 = Hw.Device(function()
>>>>       Property.hid = "omap4-i2c0";
>>>>       compatible = {"ti,omap4-i2c"};
>>>>       Resource.regs = Res.mmio(0x44e0b000, 0x44e0bfff);
>>>>       Resource.irq = Res.irq(70);
>>>>   end);
>>>> 
>>>>   i2c1 = Hw.Device(function()
>>>>       Property.hid = "omap4-i2c1";
>>>>       compatible = {"ti,omap3-i2c"};
>>>>       Resource.regs = Res.mmio(0x4802a000, 0x4802afff);
>>>>       Resource.irq = Res.irq(71);
>>>>   end);
>>>> end)
>>>> 
>>>> ********* l4linux.io <http://l4linux.io/> <http://l4linux.io/ <http://l4linux.io/>> ********* 
>>>> local hw = Io.system_bus()
>>>> 
>>>> 
>>>> Io.add_vbus("l4linux", Io.Vi.System_bus
>>>> {
>>>> prcm = wrap(hw:match("ti,am3-prcm"));
>>>> edma = wrap(hw:match("ti,edma3"));
>>>> mmc1 = wrap(hw:match("ti,omap4-hsmmc","MMC1"));
>>>> mmc2 = wrap(hw:match("ti,omap4-hsmmc","MMC2"));
>>>> mmc3 = wrap(hw:match("ti,omap4-hsmmc","MMC3"));
>>>> i2c0 = wrap(hw:match("ti,omap4-i2c","omap4-i2c0"));
>>>> i2c1 = wrap(hw:match("ti,omap4-i2c","omap4-i2c1"));
>>>> })
>>> 
>>> You're matching too much here (see IO's complaints below).
>>> Only do
>>> mmc1 = wrap(hw.mmc1);
>>> mmc2 = wrap(hw.mmc2);
>>> mmc3 = wrap(hw.mmc3);
>>> i2c0 = wrap(hw.i2c0);
>>> i2c1 = wrap(hw.i2c1);
>>> (or only match for that pattern that matches once).
>>> 
>>>> However after I run the uimage on the board the system just hang…
>>>> 
>>>> Starting kernel ...
>>>> 
>>>> L4 Bootstrapper
>>>> Build: #32 Fri Jul  7 17:37:33 EDT 2017, 4.7.3
>>>> Scanning up to 256 MB RAM, starting at offset 32MB
>>>> Memory size is 256MB (80000000 - 8fffffff)
>>>> RAM: 0000000080000000 - 000000008fffffff: 262144kB
>>>> Total RAM: 256MB
>>>> Scanning fiasco
>>>> Scanning sigma0
>>>> Scanning moe
>>>> Moving up to 11 modules behind 81100000
>>>> moving module 02 { 819e0000-81a0949f } -> { 81ad0000-81af949f } [169120]
>>>> moving module 01 { 819ce000-819df33b } -> { 81abe000-81acf33b } [70460]
>>>> moving module 00 { 8194c000-819cd017 } -> { 81a3c000-81abd017 } [528408]
>>>> moving module 10 { 8164c000-8194bfff } -> { 8173c000-81a3bfff }
>>>> [3145728]
>>>> moving module 09 { 811fa000-8164b47b } -> { 812ea000-8173b47b }
>>>> [4527228]
>>>> moving module 08 { 81087000-811f98c7 } -> { 81177000-812e98c7 }
>>>> [1517768]
>>>> moving module 07 { 8102d000-810866ab } -> { 8111d000-811766ab } [366252]
>>>> moving module 06 { 81013000-8102c463 } -> { 81103000-8111c463 } [103524]
>>>> moving module 05 { 81012000-810129d0 } -> { 81102000-811029d0 } [2513]
>>>> moving module 04 { 81011000-810112be } -> { 81101000-811012be } [703]
>>>> moving module 03 { 81010000-810102ff } -> { 81100000-811002ff } [768]
>>>> Loading fiasco
>>>> Loading sigma0
>>>> Loading moe
>>>> find kernel info page...
>>>> found kernel info page (via ELF) at 80002000
>>>> Regions of list 'regions'
>>>>   [ 80000000,  80000187] {      188} Root   mbi_rt
>>>>   [ 80001000,  80001b7f] {      b80} Kern   fiasco
>>>>   [ 80002000,  8008efff] {    8d000} Kern   fiasco
>>>>   [ 800c0000,  800c9cfb] {     9cfc} Sigma0 sigma0
>>>>   [ 800d0000,  800d6177] {     6178} Sigma0 sigma0
>>>>   [ 80140000,  8016eff3] {    2eff4} Root   moe
>>>>   [ 81000000,  8100f5a3] {     f5a4} Boot   bootstrap
>>>>   [ 81100000,  81a3bfff] {   93c000} Root   Module
>>>> found kernel options (via ELF) at 80003000
>>>> API Version: (87) experimental
>>>> Sigma0 config    ip:800c0100 sp:00000000
>>>> Roottask config  ip:80140260 sp:00000000
>>>> Starting kernel fiasco at 80001350
>>>> Hello from Startup::stage2
>>>> FPU: Initialize
>>>> FPU0: Subarch: 3, Part: 30, Rev: 3, Var: c, Impl: 41
>>>> SERIAL ESC: allocated IRQ 72 for serial uart
>>>> Not using serial hack in slow timer handler.
>>>> Welcome to L4/Fiasco.OC!
>>>> L4/Fiasco.OC microkernel on arm
>>>> Rev: unknown compiled with gcc 4.7.3 for AM33xx    []
>>>> Build: #1 Mon Jun 26 12:21:04 EDT 2017
>>>> 
>>>> Calibrating timer loop... done.
>>>> MDB: use page size: 20
>>>> MDB: use page size: 12
>>>> SIGMA0: Hello!
>>>> KIP @ 80002000
>>>> allocated 4KB for maintenance structures
>>>> SIGMA0: Dump of all resource maps
>>>> RAM:------------------------
>>>> [4:80000000;80000fff]
>>>> [0:8008f000;800bffff]
>>>> [0:800ca000;800cffff]
>>>> [0:800d7000;8013ffff]
>>>> [4:80140000;8016efff]
>>>> [0:8016f000;810fffff]
>>>> [4:81100000;81a3bfff]
>>>> [0:81a3c000;8effffff]
>>>> IOMEM:----------------------
>>>> [0:0;7fffffff]
>>>> [0:90000000;ffffffff]
>>>> MOE: Hello world
>>>> MOE: found 235476 KByte free memory
>>>> MOE: found RAM from 80000000 to 8f000000
>>>> MOE: allocated 240 KByte for the page array @0x800d7000
>>>> MOE: virtual user address space [0-bfffffff]
>>>> MOE: rom name space cap -> [C:103000]
>>>> BOOTFS: [81100000-81100300] [C:105000] l4linux.cfg
>>>> BOOTFS: [81101000-811012bf] [C:107000] l4linux.io <http://l4linux.io/> <http://l4linux.io/ <http://l4linux.io/>>
>>>> BOOTFS: [81102000-811029d1] [C:109000] l4linux.devs
>>>> BOOTFS: [81103000-8111c464] [C:10b000] l4re
>>>> BOOTFS: [8111d000-811766ac] [C:10d000] ned
>>>> BOOTFS: [81177000-812e98c8] [C:10f000] io
>>>> BOOTFS: [812ea000-8173b47c] [C:111000] vmlinuz
>>>> BOOTFS: [8173c000-81a3c000] [C:113000] ramdisk-arm.rd
>>>> MOE: cmdline: moe rom/l4linux.cfg
>>>> MOE: Starting: rom/ned rom/l4linux.cfg
>>>> MOE: loading 'rom/ned'
>>>> Ned says: Hi World!
>>>> Ned: loading file: 'rom/l4linux.cfg'
>>>> IO      | Io service
>>>> IO      | Verboseness level: 4
>>>> IO      | unused physical memory space:
>>>> IO      |   [00000000000000-0000007fffffff]
>>>> IO      |   [00000090000000-000000ffffffff]
>>>> IO      | no 'iommu' capability found use CPU-phys for DMA
>>>> IO      | Loading: config 'rom/l4linux.devs'
>>>> IO      | Loading: config 'rom/l4linux.io <http://l4linux.io/> <http://l4linux.io/ <http://l4linux.io/>>'
>>>> IO      | WARNING: device 'mmc1' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc1' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc2' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc2' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc3' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc3' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc1' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc1' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc2' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc2' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc3' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'mmc3' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'i2c0' already assigned to another virtual bus.
>>>> IO      | WARNING: device 'i2c0' already assigned to another virtual bus.
>>>> IO      | Real Hardware -----------------------------------
>>>> IO      | System Bus: hid=
>>>> IO      |   Resources: ==== start ====
>>>> IO      |   DMADOM  [00000000000000-00000000000000 1] non-pref
>>>> (32bit) (align=0 flags=6)
>>>> IO      |   Resources: ===== end =====
>>>> IO      |   mmc1: hid=MMC1
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       mmc3[1]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc2[1]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc1[1]: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [00000048060000-00000048060fff 1000] non-pref
>>>> (32bit) (align=fff flags=2)
>>>> IO      |     IRQ     [00000000000040-00000000000040 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   i2c1: hid=omap4-i2c1
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       i2c1[1]: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [0000004802a000-0000004802afff 1000] non-pref
>>>> (32bit) (align=fff flags=2)
>>>> IO      |     IRQ     [00000000000047-00000000000047 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   mmc2: hid=MMC2
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       mmc3[2]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc2[2]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc1[2]: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [000000481d8000-000000481d8fff 1000] non-pref
>>>> (32bit) (align=fff flags=2)
>>>> IO      |     IRQ     [0000000000001c-0000000000001c 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   mmc3: hid=MMC3
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       mmc3[3]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc2[3]: [N2Vi9Proxy_devE]
>>>> IO      |       mmc1[3]: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [00000047810000-00000047810fff 1000] non-pref
>>>> (32bit) (align=fff flags=2)
>>>> IO      |     IRQ     [0000000000001d-0000000000001d 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   edma: hid=EDMA
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       edma: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [00000044e10f90-00000044e10fcf 40] non-pref
>>>> (32bit) (align=3f flags=2)
>>>> IO      |     IRQ     [0000000000000e-0000000000000e 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   i2c0: hid=omap4-i2c0
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       i2c1[2]: [N2Vi9Proxy_devE]
>>>> IO      |       i2c0: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [00000044e0b000-00000044e0bfff 1000] non-pref
>>>> (32bit) (align=fff flags=2)
>>>> IO      |     IRQ     [00000000000046-00000000000046 1] none (32bit)
>>>> (align=0 flags=1)
>>>> IO      |     Resources: ===== end =====
>>>> IO      |   prcm: hid=
>>>> IO      |     Clients: ===== start ====
>>>> IO      |       prcm: [N2Vi9Proxy_devE]
>>>> IO      |     Clients: ===== end ====
>>>> IO      |     Resources: ==== start ====
>>>> IO      |     IOMEM   [00000044e00000-00000044e03fff 4000] non-pref
>>>> (32bit) (align=3fff flags=2)
>>>> IO      |     Resources: ===== end =====
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc2[1]
>>>> IO      |   /l4linux/mmc3[1]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[1]
>>>> IO      |   /l4linux/mmc3[1]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[1]
>>>> IO      |   /l4linux/mmc2[1]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc2[2]
>>>> IO      |   /l4linux/mmc3[2]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[2]
>>>> IO      |   /l4linux/mmc3[2]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[2]
>>>> IO      |   /l4linux/mmc2[2]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc2[3]
>>>> IO      |   /l4linux/mmc3[3]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[3]
>>>> IO      |   /l4linux/mmc3[3]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/mmc1[3]
>>>> IO      |   /l4linux/mmc2[3]
>>>> IO      | warning: conflicting virtual clients:
>>>> IO      |   /l4linux/i2c0
>>>> IO      |   /l4linux/i2c1[2]
>>>> IO      | warning: could not register control interface at cap
>>>> 'platform_ctl'
>>>> IO      | Ready. Waiting for request.
>>>> PH  0 offs=00008000 flags=rwx PH-type=0x1
>>>>     virt=02000000 evirt=024bd81c
>>>>     phys=02000000 ephys=024bd81c
>>>>     f_sz=00435512 memsz=004bd81c
>>>> PH  1 offs=003eb0c8 flags=r-x PH-type=0x4
>>>>     virt=023e30c8 evirt=023e30ec
>>>>     phys=023e30c8 ephys=023e30ec
>>>>     f_sz=00000024 memsz=00000024
>>>> PH  2 offs=00000000 flags=rwx PH-type=0x6474e551
>>>>     virt=00000000 evirt=00000000
>>>>     phys=00000000 ephys=00000000
>>>>     f_sz=00000000 memsz=00000000
>>>> Starting binary at 0x2000318, argc=7 argv=0xafff4f8c *argv=0xb1007ff4
>>>> argv0=rom/vmlinuz
>>>> External resolver is at 0xa80007fc
>>>> Symbol 'l4x_srv_init' not found
>>>> L4Re[rm]: unhandled read page fault at 0x4 pc=0x0
>>>> L4Re: unhandled exception: pc=0x0 (pfa=0)
>>>> L4Re: Global::l4re_aux->ldr_flags=0
>>>> 
>>>> At this point I have no idea what to do any help will be much
>>>> appreciated! Thank you very much!
>>> 
>>> Ok, now that's strange, that should not happen. In L4Linux, do you have
>>> CONFIG_L4_SERVER enabled or disabled? Does arch/l4/kernel/main.o contain
>>> the l4x_srv_init symbol or not
>>> (check with 'nm arch/l4/kernel/main.o | grep l4x_srv_init')?
>>> 
>>> 
>>> 
>>> Adam
>>> 
>>>> 
>>>> Thanks
>>>> -Dan
>>>>> On Jun 29, 2017, at 3:39 PM, Matthias Lange
>>>>> <matthias.lange at kernkonzept.com <mailto:matthias.lange at kernkonzept.com>
>>>>> <mailto:matthias.lange at kernkonzept.com <mailto:matthias.lange at kernkonzept.com>>> wrote:
>>>>> 
>>>>> Hi,
>>>>> 
>>>>> On 06/29/2017 10:11 PM, Daniel (Xiaolong) Wang wrote:
>>>>>> Hi all,
>>>>>> 
>>>>>> I want to give L4Linux access to SD card, and ethernet driver.
>>>>>> Initially I thought by run L4Linux kernel on top of L4re, drivers
>>>>>> built with L4Linux kernel can just work. After trying and reading the
>>>>>> email archive, seems like I need to configure the corresponding
>>>>>> capability in cfg. I’m very new to L4re environment is there any
>>>>>> tutorials or references that can help me understand it better? (I’m
>>>>>> currently reading the manual, my development board is a beagle bone
>>>>>> black)
>>>>> 
>>>>> In case of ARM platforms this is (still) not an easy undertaking. What
>>>>> you have to do is basically this:
>>>>> 
>>>>> 1. Enable the desired device drivers in your kernel configuration.
>>>>> 2. Make L4Linux compile.
>>>>> 3. Create a device tree which contains the device nodes of the desired
>>>>> devices.
>>>>> 4. Create an io configuration for L4Re with the devices and their
>>>>> resources and assign the desired devices to a vbus which is eventually
>>>>> given to L4Linux. You can read about io and its configuration here [1].
>>>>> 5. Boot your setup on the target. At this stage, you usually you have to
>>>>> instrument the device driver to debug the reasons why it is failing.
>>>>> 
>>>>> Best,
>>>>> Matthias.
>>>>> 
>>>>> [1] http://l4re.org/doc/io.html <http://l4re.org/doc/io.html> <http://l4re.org/doc/io.html <http://l4re.org/doc/io.html>>
>>>>> 
>>>>>> 
>>>>>> Also I’m trying to build a L4Linux with MMC driver. My configuration
>>>>>> is based on default arm_defconfig. I enabled
>>>>>> 
>>>>>> * Make Linux be a Server * Bus driver for L4vbus * L4shm based
>>>>>> network driver * MMC/SD/SDIO card support -> HW reset support for
>>>>>> eMMC, MMC block device driver, Use bounce buffer for simple hosts,
>>>>>> SDIO UART/GPS class support, Secure Digital Host Controller Interface
>>>>>> Support, SDHCI platform and OF driver helper, MediaTek SD/MMC Card
>>>>>> Interface support * DOS/FAT/NT Filesystem -> MSDOS fs support, VFAT
>>>>>> fs support
>>>>>> 
>>>>>> however, when it build the following errors show did I do something
>>>>>> wrong?
>>>>>> 
>>>>>> LD      drivers/i2c/busses/built-in.o LD
>>>>>> drivers/i2c/muxes/built-in.o LD      drivers/i2c/built-in.o LD
>>>>>> drivers/idle/built-in.o CC      drivers/input/input.o CC
>>>>>> drivers/input/input-compat.o CC      drivers/input/input-mt.o CC
>>>>>> drivers/input/ff-core.o LD      drivers/input/input-core.o CC
>>>>>> drivers/input/mousedev.o CC      drivers/input/evdev.o LD
>>>>>> drivers/input/built-in.o LD      drivers/iommu/built-in.o CC
>>>>>> drivers/irqchip/irqchip.o LD      drivers/irqchip/built-in.o LD
>>>>>> drivers/leds/built-in.o LD      drivers/lguest/built-in.o LD
>>>>>> drivers/macintosh/built-in.o LD
>>>>>> drivers/media/common/b2c2/built-in.o LD
>>>>>> drivers/media/common/saa7146/built-in.o LD
>>>>>> drivers/media/common/siano/built-in.o LD
>>>>>> drivers/media/common/v4l2-tpg/built-in.o LD
>>>>>> drivers/media/common/built-in.o LD
>>>>>> drivers/media/firewire/built-in.o LD
>>>>>> drivers/media/i2c/soc_camera/built-in.o LD
>>>>>> drivers/media/i2c/built-in.o LD
>>>>>> drivers/media/mmc/siano/built-in.o LD
>>>>>> drivers/media/mmc/built-in.o LD
>>>>>> drivers/media/pci/b2c2/built-in.o LD
>>>>>> drivers/media/pci/ddbridge/built-in.o LD
>>>>>> drivers/media/pci/dm1105/built-in.o LD
>>>>>> drivers/media/pci/mantis/built-in.o LD
>>>>>> drivers/media/pci/netup_unidvb/built-in.o LD
>>>>>> drivers/media/pci/ngene/built-in.o LD
>>>>>> drivers/media/pci/pluto2/built-in.o LD
>>>>>> drivers/media/pci/pt1/built-in.o LD
>>>>>> drivers/media/pci/pt3/built-in.o LD
>>>>>> drivers/media/pci/saa7146/built-in.o LD
>>>>>> drivers/media/pci/smipcie/built-in.o LD
>>>>>> drivers/media/pci/ttpci/built-in.o LD
>>>>>> drivers/media/pci/built-in.o LD
>>>>>> drivers/media/platform/omap/built-in.o LD
>>>>>> drivers/media/platform/built-in.o LD
>>>>>> drivers/media/rc/keymaps/built-in.o LD
>>>>>> drivers/media/rc/built-in.o LD      drivers/media/tuners/built-in.o 
>>>>>> LD      drivers/media/usb/b2c2/built-in.o LD
>>>>>> drivers/media/usb/dvb-usb/built-in.o LD
>>>>>> drivers/media/usb/dvb-usb-v2/built-in.o LD
>>>>>> drivers/media/usb/s2255/built-in.o LD
>>>>>> drivers/media/usb/siano/built-in.o LD
>>>>>> drivers/media/usb/stkwebcam/built-in.o LD
>>>>>> drivers/media/usb/ttusb-budget/built-in.o LD
>>>>>> drivers/media/usb/ttusb-dec/built-in.o LD
>>>>>> drivers/media/usb/zr364xx/built-in.o LD
>>>>>> drivers/media/usb/built-in.o LD      drivers/media/built-in.o LD
>>>>>> drivers/mfd/built-in.o LD      drivers/misc/cb710/built-in.o LD
>>>>>> drivers/misc/eeprom/built-in.o LD
>>>>>> drivers/misc/lis3lv02d/built-in.o LD
>>>>>> drivers/misc/mic/bus/built-in.o LD      drivers/misc/mic/built-in.o 
>>>>>> LD      drivers/misc/ti-st/built-in.o LD
>>>>>> drivers/misc/built-in.o CC      drivers/mmc/card/block.o CC
>>>>>> drivers/mmc/card/queue.o LD      drivers/mmc/card/mmc_block.o CC
>>>>>> drivers/mmc/card/sdio_uart.o LD      drivers/mmc/card/built-in.o CC
>>>>>> drivers/mmc/core/core.o CC      drivers/mmc/core/bus.o CC
>>>>>> drivers/mmc/core/host.o CC      drivers/mmc/core/mmc.o CC
>>>>>> drivers/mmc/core/mmc_ops.o CC      drivers/mmc/core/sd.o CC
>>>>>> drivers/mmc/core/sd_ops.o CC      drivers/mmc/core/sdio.o CC
>>>>>> drivers/mmc/core/sdio_ops.o CC      drivers/mmc/core/sdio_bus.o CC
>>>>>> drivers/mmc/core/sdio_cis.o CC      drivers/mmc/core/sdio_io.o CC
>>>>>> drivers/mmc/core/sdio_irq.o CC      drivers/mmc/core/quirks.o CC
>>>>>> drivers/mmc/core/slot-gpio.o CC      drivers/mmc/core/pwrseq.o CC
>>>>>> drivers/mmc/core/debugfs.o LD      drivers/mmc/core/mmc_core.o CC
>>>>>> drivers/mmc/core/pwrseq_simple.o CC
>>>>>> drivers/mmc/core/pwrseq_emmc.o LD      drivers/mmc/core/built-in.o CC
>>>>>> drivers/mmc/host/sdhci.o CC      drivers/mmc/host/mtk-sd.o CC
>>>>>> drivers/mmc/host/sdhci-pltfm.o CC
>>>>>> drivers/mmc/host/sdhci-of-arasan.o CC
>>>>>> drivers/mmc/host/sdhci-of-at91.o LD      drivers/mmc/host/built-in.o 
>>>>>> LD      drivers/mmc/built-in.o CC      drivers/net/Space.o CC
>>>>>> drivers/net/loopback.o CC      drivers/net/l4shmnet.o LD
>>>>>> drivers/net/built-in.o LD      drivers/nfc/built-in.o LD
>>>>>> drivers/nvme/host/built-in.o LD      drivers/nvme/built-in.o CC
>>>>>> drivers/of/base.o CC      drivers/of/device.o CC
>>>>>> drivers/of/platform.o CC      drivers/of/fdt.o CC
>>>>>> drivers/of/fdt_address.o CC      drivers/of/address.o CC
>>>>>> drivers/of/irq.o CC      drivers/of/of_reserved_mem.o LD
>>>>>> drivers/of/built-in.o LD      drivers/platform/built-in.o LD
>>>>>> drivers/power/built-in.o LD      drivers/pwm/built-in.o CC
>>>>>> drivers/rtc/rtc-lib.o LD      drivers/rtc/built-in.o LD
>>>>>> drivers/soc/bcm/built-in.o LD      drivers/soc/fsl/built-in.o LD
>>>>>> drivers/soc/built-in.o CC      drivers/tty/tty_io.o CC
>>>>>> drivers/tty/n_tty.o CC      drivers/tty/tty_ioctl.o CC
>>>>>> drivers/tty/tty_ldisc.o CC      drivers/tty/tty_buffer.o CC
>>>>>> drivers/tty/tty_port.o CC      drivers/tty/tty_mutex.o CC
>>>>>> drivers/tty/tty_ldsem.o CC      drivers/tty/pty.o CC
>>>>>> drivers/tty/sysrq.o LD      drivers/tty/ipwireless/built-in.o CC
>>>>>> drivers/tty/serial/serial_core.o CC      drivers/tty/serial/l4ser.o 
>>>>>> CC      drivers/tty/serial/l4ser_shm.o LD
>>>>>> drivers/tty/serial/built-in.o CC      drivers/tty/vt/vt_ioctl.o CC
>>>>>> drivers/tty/vt/vc_screen.o CC      drivers/tty/vt/selection.o CC
>>>>>> drivers/tty/vt/keyboard.o CC      drivers/tty/vt/consolemap.o CC
>>>>>> drivers/tty/vt/consolemap_deftbl.o CC      drivers/tty/vt/vt.o CC
>>>>>> drivers/tty/vt/defkeymap.o LD      drivers/tty/vt/built-in.o LD
>>>>>> drivers/tty/built-in.o LD      drivers/video/backlight/built-in.o CC
>>>>>> drivers/video/console/dummycon.o CC
>>>>>> drivers/video/console/fbcon.o CC
>>>>>> drivers/video/console/bitblit.o CC
>>>>>> drivers/video/console/softcursor.o LD
>>>>>> drivers/video/console/built-in.o CC
>>>>>> drivers/video/fbdev/core/fb_cmdline.o CC
>>>>>> drivers/video/fbdev/core/fb_notify.o CC
>>>>>> drivers/video/fbdev/core/fbmem.o CC
>>>>>> drivers/video/fbdev/core/fbmon.o CC
>>>>>> drivers/video/fbdev/core/fbcmap.o CC
>>>>>> drivers/video/fbdev/core/fbsysfs.o CC
>>>>>> drivers/video/fbdev/core/modedb.o CC
>>>>>> drivers/video/fbdev/core/fbcvt.o LD
>>>>>> drivers/video/fbdev/core/fb.o LD
>>>>>> drivers/video/fbdev/core/built-in.o LD
>>>>>> drivers/video/fbdev/omap2/omapfb/displays/built-in.o LD
>>>>>> drivers/video/fbdev/omap2/omapfb/dss/built-in.o LD
>>>>>> drivers/video/fbdev/omap2/omapfb/built-in.o LD
>>>>>> drivers/video/fbdev/omap2/built-in.o LD
>>>>>> drivers/video/fbdev/built-in.o CC      drivers/video/logo/logo.o LOGO
>>>>>> drivers/video/logo/logo_linux_mono.c CC
>>>>>> drivers/video/logo/logo_linux_mono.o LOGO
>>>>>> drivers/video/logo/logo_linux_vga16.c CC
>>>>>> drivers/video/logo/logo_linux_vga16.o LOGO
>>>>>> drivers/video/logo/logo_linux_clut224.c CC
>>>>>> drivers/video/logo/logo_linux_clut224.o LD
>>>>>> drivers/video/logo/built-in.o LOGO
>>>>>> drivers/video/logo/logo_superh_mono.c LOGO
>>>>>> drivers/video/logo/clut_vga16.c LOGO
>>>>>> drivers/video/logo/logo_blackfin_vga16.c LOGO
>>>>>> drivers/video/logo/logo_superh_vga16.c LOGO
>>>>>> drivers/video/logo/logo_blackfin_clut224.c LOGO
>>>>>> drivers/video/logo/logo_dec_clut224.c LOGO
>>>>>> drivers/video/logo/logo_m32r_clut224.c LOGO
>>>>>> drivers/video/logo/logo_mac_clut224.c LOGO
>>>>>> drivers/video/logo/logo_parisc_clut224.c LOGO
>>>>>> drivers/video/logo/logo_sgi_clut224.c LOGO
>>>>>> drivers/video/logo/logo_spe_clut224.c LOGO
>>>>>> drivers/video/logo/logo_sun_clut224.c LOGO
>>>>>> drivers/video/logo/logo_superh_clut224.c LD
>>>>>> drivers/video/built-in.o LD      drivers/built-in.o LD
>>>>>> sound/built-in.o LD      firmware/built-in.o CC
>>>>>> arch/l4/drivers/vbus/l4vbus.o LD
>>>>>> arch/l4/drivers/vbus/built-in.o CC      arch/l4/drivers/events.o LD
>>>>>> arch/l4/drivers/built-in.o CC      net/socket.o LD
>>>>>> net/802/built-in.o CC      net/core/sock.o CC
>>>>>> net/core/request_sock.o CC      net/core/skbuff.o CC
>>>>>> net/core/datagram.o CC      net/core/stream.o CC      net/core/scm.o 
>>>>>> CC      net/core/gen_stats.o CC      net/core/gen_estimator.o CC
>>>>>> net/core/net_namespace.o CC      net/core/secure_seq.o CC
>>>>>> net/core/flow_dissector.o CC      net/core/sysctl_net_core.o CC
>>>>>> net/core/dev.o CC      net/core/ethtool.o CC
>>>>>> net/core/dev_addr_lists.o CC      net/core/dst.o CC
>>>>>> net/core/netevent.o CC      net/core/neighbour.o CC
>>>>>> net/core/rtnetlink.o CC      net/core/utils.o CC
>>>>>> net/core/link_watch.o CC      net/core/filter.o CC
>>>>>> net/core/sock_diag.o CC      net/core/dev_ioctl.o CC
>>>>>> net/core/tso.o CC      net/core/sock_reuseport.o CC
>>>>>> net/core/flow.o CC      net/core/net-sysfs.o CC
>>>>>> net/core/net-procfs.o LD      net/core/built-in.o CC
>>>>>> net/ethernet/eth.o LD      net/ethernet/built-in.o CC
>>>>>> net/ipv4/route.o CC      net/ipv4/inetpeer.o CC
>>>>>> net/ipv4/protocol.o CC      net/ipv4/ip_input.o CC
>>>>>> net/ipv4/ip_fragment.o CC      net/ipv4/ip_forward.o CC
>>>>>> net/ipv4/ip_options.o CC      net/ipv4/ip_output.o CC
>>>>>> net/ipv4/ip_sockglue.o CC      net/ipv4/inet_hashtables.o CC
>>>>>> net/ipv4/inet_timewait_sock.o CC
>>>>>> net/ipv4/inet_connection_sock.o CC      net/ipv4/tcp.o CC
>>>>>> net/ipv4/tcp_input.o CC      net/ipv4/tcp_output.o CC
>>>>>> net/ipv4/tcp_timer.o CC      net/ipv4/tcp_ipv4.o CC
>>>>>> net/ipv4/tcp_minisocks.o CC      net/ipv4/tcp_cong.o CC
>>>>>> net/ipv4/tcp_metrics.o CC      net/ipv4/tcp_fastopen.o CC
>>>>>> net/ipv4/tcp_recovery.o CC      net/ipv4/tcp_offload.o CC
>>>>>> net/ipv4/datagram.o CC      net/ipv4/raw.o CC      net/ipv4/udp.o CC
>>>>>> net/ipv4/udplite.o CC      net/ipv4/udp_offload.o CC
>>>>>> net/ipv4/arp.o CC      net/ipv4/icmp.o CC      net/ipv4/devinet.o CC
>>>>>> net/ipv4/af_inet.o CC      net/ipv4/igmp.o CC
>>>>>> net/ipv4/fib_frontend.o CC      net/ipv4/fib_semantics.o CC
>>>>>> net/ipv4/fib_trie.o CC      net/ipv4/inet_fragment.o CC
>>>>>> net/ipv4/ping.o CC      net/ipv4/ip_tunnel_core.o CC
>>>>>> net/ipv4/gre_offload.o CC      net/ipv4/sysctl_net_ipv4.o CC
>>>>>> net/ipv4/proc.o CC      net/ipv4/xfrm4_mode_beet.o CC
>>>>>> net/ipv4/xfrm4_mode_transport.o CC      net/ipv4/xfrm4_mode_tunnel.o 
>>>>>> CC      net/ipv4/ipconfig.o CC      net/ipv4/inet_diag.o CC
>>>>>> net/ipv4/tcp_diag.o CC      net/ipv4/tcp_cubic.o CC
>>>>>> net/ipv4/xfrm4_policy.o CC      net/ipv4/xfrm4_state.o CC
>>>>>> net/ipv4/xfrm4_input.o CC      net/ipv4/xfrm4_output.o CC
>>>>>> net/ipv4/xfrm4_protocol.o LD      net/ipv4/built-in.o CC
>>>>>> net/ipv6/addrconf_core.o CC      net/ipv6/exthdrs_core.o CC
>>>>>> net/ipv6/ip6_checksum.o CC      net/ipv6/ip6_icmp.o CC
>>>>>> net/ipv6/output_core.o CC      net/ipv6/protocol.o CC
>>>>>> net/ipv6/ip6_offload.o CC      net/ipv6/tcpv6_offload.o CC
>>>>>> net/ipv6/exthdrs_offload.o LD      net/ipv6/built-in.o CC
>>>>>> net/netlink/af_netlink.o CC      net/netlink/genetlink.o LD
>>>>>> net/netlink/built-in.o CC      net/packet/af_packet.o LD
>>>>>> net/packet/built-in.o CC      net/sched/sch_generic.o CC
>>>>>> net/sched/sch_mq.o LD      net/sched/built-in.o CC
>>>>>> net/unix/af_unix.o CC      net/unix/garbage.o CC
>>>>>> net/unix/sysctl_net_unix.o LD      net/unix/unix.o LD
>>>>>> net/unix/built-in.o CC      net/xfrm/xfrm_policy.o CC
>>>>>> net/xfrm/xfrm_state.o CC      net/xfrm/xfrm_hash.o CC
>>>>>> net/xfrm/xfrm_input.o CC      net/xfrm/xfrm_output.o CC
>>>>>> net/xfrm/xfrm_sysctl.o CC      net/xfrm/xfrm_replay.o LD
>>>>>> net/xfrm/built-in.o CC      net/sysctl_net.o LD      net/built-in.o 
>>>>>> CC      lib/lockref.o CC      lib/bcd.o CC      lib/div64.o CC
>>>>>> lib/sort.o CC      lib/parser.o CC      lib/halfmd4.o CC
>>>>>> lib/debug_locks.o CC      lib/random32.o CC
>>>>>> lib/bust_spinlocks.o CC      lib/kasprintf.o CC      lib/bitmap.o CC
>>>>>> lib/scatterlist.o CC      lib/gcd.o CC      lib/lcm.o CC
>>>>>> lib/list_sort.o CC      lib/uuid.o CC      lib/flex_array.o CC
>>>>>> lib/iov_iter.o CC      lib/clz_ctz.o CC      lib/bsearch.o CC
>>>>>> lib/find_bit.o CC      lib/llist.o CC      lib/memweight.o CC
>>>>>> lib/kfifo.o CC      lib/percpu-refcount.o CC      lib/percpu_ida.o CC
>>>>>> lib/rhashtable.o CC      lib/reciprocal_div.o CC      lib/once.o CC
>>>>>> lib/string_helpers.o CC      lib/hexdump.o CC      lib/kstrtox.o CC
>>>>>> lib/pci_iomap.o CC      lib/iomap_copy.o CC      lib/devres.o CC
>>>>>> lib/hweight.o CC      lib/bitrev.o CC      lib/crc16.o HOSTCC
>>>>>> lib/gen_crc32table GEN     lib/crc32table.h CC      lib/crc32.o CC
>>>>>> lib/genalloc.o CC      lib/fonts/fonts.o CC
>>>>>> lib/fonts/font_8x8.o CC      lib/fonts/font_8x16.o LD
>>>>>> lib/fonts/font.o LD      lib/fonts/built-in.o CC
>>>>>> lib/lz4/lz4_decompress.o LD      lib/lz4/built-in.o CC
>>>>>> lib/lzo/lzo1x_decompress_safe.o LD      lib/lzo/lzo_decompress.o LD
>>>>>> lib/lzo/built-in.o CC      lib/xz/xz_dec_syms.o CC
>>>>>> lib/xz/xz_dec_stream.o CC      lib/xz/xz_dec_lzma2.o CC
>>>>>> lib/xz/xz_dec_bcj.o LD      lib/xz/xz_dec.o LD
>>>>>> lib/xz/built-in.o CC      lib/zlib_inflate/inffast.o CC
>>>>>> lib/zlib_inflate/inflate.o CC      lib/zlib_inflate/infutil.o CC
>>>>>> lib/zlib_inflate/inftrees.o CC      lib/zlib_inflate/inflate_syms.o 
>>>>>> LD      lib/zlib_inflate/zlib_inflate.o LD
>>>>>> lib/zlib_inflate/built-in.o CC      lib/swiotlb.o CC
>>>>>> lib/iommu-helper.o CC      lib/iommu-common.o CC      lib/syscall.o 
>>>>>> CC      lib/nlattr.o CC      lib/dynamic_queue_limits.o CC
>>>>>> lib/net_utils.o LD      lib/built-in.o CC      lib/argv_split.o CC
>>>>>> lib/bug.o CC      lib/cmdline.o CC      lib/ctype.o CC
>>>>>> lib/dec_and_lock.o CC      lib/decompress.o CC
>>>>>> lib/decompress_bunzip2.o CC      lib/decompress_inflate.o CC
>>>>>> lib/decompress_unlz4.o CC      lib/decompress_unlzma.o CC
>>>>>> lib/decompress_unlzo.o CC      lib/decompress_unxz.o CC
>>>>>> lib/dma-noop.o CC      lib/dump_stack.o CC      lib/earlycpio.o CC
>>>>>> lib/extable.o CC      lib/fdt.o CC      lib/fdt_empty_tree.o CC
>>>>>> lib/fdt_ro.o CC      lib/fdt_rw.o CC      lib/fdt_strerror.o CC
>>>>>> lib/fdt_sw.o CC      lib/fdt_wip.o CC      lib/flex_proportions.o CC
>>>>>> lib/idr.o CC      lib/int_sqrt.o CC      lib/ioremap.o CC
>>>>>> lib/irq_regs.o CC      lib/is_single_threaded.o CC      lib/klist.o 
>>>>>> CC      lib/kobject.o CC      lib/kobject_uevent.o CC      lib/md5.o 
>>>>>> CC      lib/nmi_backtrace.o CC      lib/nodemask.o CC
>>>>>> lib/plist.o CC      lib/radix-tree.o CC      lib/ratelimit.o CC
>>>>>> lib/rbtree.o CC      lib/seq_buf.o CC      lib/sha1.o CC
>>>>>> lib/show_mem.o CC      lib/string.o CC      lib/timerqueue.o CC
>>>>>> lib/vsprintf.o AR      lib/lib.a CC
>>>>>> arch/l4/lib/arch-arm/../proc.o CC
>>>>>> arch/l4/lib/arch-arm/../debugfs.o LD
>>>>>> arch/l4/lib/arch-arm/built-in.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/ashldi3.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/ashrdi3.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/backtrace.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/bswapsdi2.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/call_with_stack.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/changebit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/clearbit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/copy_page.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/csumipv6.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/csumpartial.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/csumpartialcopy.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/delay-loop.o CC
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/delay.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/div64.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/findbit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-readsb.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-readsl.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-readsw-armv4.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-writesb.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-writesl.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/io-writesw-armv4.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/lib1funcs.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/lshrdi3.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/memchr.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/memcpy.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/memmove.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/memset.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/memzero.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/muldi3.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/setbit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/strchr.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/strrchr.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/testchangebit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/testclearbit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/testsetbit.o AS
>>>>>> arch/l4/lib/arch-arm/../../../arm/lib/ucmpdi2.o CC
>>>>>> arch/l4/lib/arch-arm/../csumpartialcopyuser.o CC
>>>>>> arch/l4/lib/arch-arm/../memcpy_user.o CC
>>>>>> arch/l4/lib/arch-arm/../pte.o CC
>>>>>> arch/l4/lib/arch-arm/../uaccess.o AR      arch/l4/lib/arch-arm/lib.a 
>>>>>> LD      arch/l4/l4lxlib/generic/built-in.o CC
>>>>>> arch/l4/l4lxlib/generic/irq_gen.o CC
>>>>>> arch/l4/l4lxlib/generic/legacy.o CC
>>>>>> arch/l4/l4lxlib/generic/thread_gen.o AR
>>>>>> arch/l4/l4lxlib/generic/lib.a LD
>>>>>> arch/l4/l4lxlib/l4env/built-in.o CC
>>>>>> arch/l4/l4lxlib/l4env/irq_vcpu.o CC
>>>>>> arch/l4/l4lxlib/l4env/memory.o CC      arch/l4/l4lxlib/l4env/misc.o 
>>>>>> CC      arch/l4/l4lxlib/l4env/task.o CC
>>>>>> arch/l4/l4lxlib/l4env/thread.o AR      arch/l4/l4lxlib/l4env/lib.a LD
>>>>>> virt/lib/built-in.o LD      virt/built-in.o LINK    vmlinux LD
>>>>>> vmlinux.o MODPOST vmlinux.o GEN     .version CHK
>>>>>> include/generated/compile.h UPD     include/generated/compile.h CC
>>>>>> init/version.o LD      init/built-in.o drivers/built-in.o: In
>>>>>> function `sdhci_at91_probe': 
>>>>>> /home/daniel/Desktop/l4re-snapshot/src/l4linux/build-arm/../drivers/mmc/host/sdhci-of-at91.c:212:
>>>>>> undefined reference to `clk_set_rate' make[1]: *** [vmlinux] Error 1 
>>>>>> make[1]: Leaving directory
>>>>>> `/home/daniel/Desktop/l4re-snapshot/src/l4linux/build-arm' make: ***
>>>>>> [sub-make] Error 2
>>>>>> 
>>>>>> 
>>>>>> _______________________________________________ l4-hackers mailing
>>>>>> list l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>
>>>>>> <mailto:l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>> <mailto:l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>> 
>>>>>> http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers> <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers>>
>>> 
>>>> _______________________________________________
>>>> l4-hackers mailing list
>>>> l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de> <mailto:l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>>
>>>> http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers>
>>> 
>>> 
>>> Adam
>>> -- 
>>> Adam                 adam at os.inf.tu-dresden.de <mailto:adam at os.inf.tu-dresden.de>
>>> <mailto:adam at os.inf.tu-dresden.de <mailto:adam at os.inf.tu-dresden.de>>
>>> Lackorzynski         http://os.inf.tu-dresden.de/~adam/ <http://os.inf.tu-dresden.de/~adam/>
>>> 
>>> _______________________________________________
>>> l4-hackers mailing list
>>> l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de> <mailto:l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>>
>>> http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers>
>> 
>> 
>> 
>> _______________________________________________
>> l4-hackers mailing list
>> l4-hackers at os.inf.tu-dresden.de <mailto:l4-hackers at os.inf.tu-dresden.de>
>> http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers <http://os.inf.tu-dresden.de/mailman/listinfo/l4-hackers>
>> 
> 
> 
> -- 
> Matthias Lange, matthias.lange at kernkonzept.com <mailto:matthias.lange at kernkonzept.com>, +49-351-41 888 614
> 
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