On Monday, April 2, 2018 at 4:33:40 PM UTC+8, Qiu Shui wrote:
> On Monday, April 2, 2018 at 3:05:08 PM UTC+8, Nikhil Devshatwar wrote:
> > On Monday 02 April 2018 11:16 AM, Qiu Shui wrote:
> > > On Monday, April 2, 2018 at 11:12:12 AM UTC+8, Qiu Shui wrote:
> > >> On Thursday, March 29, 2018 at 1:09:46 PM UTC+8, Jan Kiszka wrote:
> > >>> On 2018-03-29 06:36, Qiu Shui wrote:
> > >>>> I build the armbian with these two patches to the kernel:
> > >>>> [1]
> > >>>> http://git.kiszka.org/?p=linux.git;a=commit;h=f057e9bb4ba2fca0b435d36893eb41ddd57b4208
> > >>>> [2]
> > >>>> http://git.kiszka.org/?p=linux.git;a=commit;h=1c926e27072d4cca76a756058554485067ce472b
> > >>>>
> > >>>> But when I build jailhouse with the armbian kernel source 
> > >>>> files(version: Linux orangepizero 4.16.0-rc6-sunxi #2 SMP Wed Mar 28 
> > >>>> 15:33:44 CST 2018 armv7l GNU/Linux), I got these warnings:
> > >>>> WARNING: "__stack_chk_fail" 
> > >>>> [/home/liu/project/kiszka/jailhouse-0.8/driver/jailhouse.ko] undefined!
> > >>>> WARNING: "__hyp_stub_vectors" 
> > >>>> [/home/liu/project/kiszka/jailhouse-0.8/driver/jailhouse.ko] undefined!
> > >>>> WARNING: "__stack_chk_guard" 
> > >>>> [/home/liu/project/kiszka/jailhouse-0.8/driver/jailhouse.ko] undefined!
> > >>>>
> > >>>> I have tried some google solutions but still not solved.
> > >>>>
> > >>>> Are there any suggestions?
> > >>>
> > >>> Regarding __hyp_stub_vectors: you also need
> > >>> http://git.kiszka.org/?p=linux.git;a=commitdiff;h=2a681cb2213e3ea0f142fae7345fb80208a88a53
> > >>>
> > >>> The other two issue seem to be related to some build inconsistency: Your
> > >>> kernel was built without CONFIG_CC_STACKPROTECTOR, but when you build
> > >>> the Jailhouse module, this feature is considered to be enabled.
> > >>>
> > >>> Jan
> > >>
> > >> Thank you very much!
> > >> After two days trying, I've finally built the kernel and jailhouse 
> > >> module successfully.
> > >> (I am using armbian building scripts and modified the 
> > >> linux-sunxi-dev.config with "# CONFIG_THUMB2_KERNEL is not set")
> > >>
> > >> Now I can enable jailhouse and create cell:
> > >> # jailhouse enable configs/orangepi0.cell
> > >> # jailhouse cell create configs/orangepi0-gic-demo.cell
> > >> # jailhouse cell list
> > >> ID      Name                    State           Assigned CPUs           
> > >> Failed CPUs
> > >> 0       Orange-Pi0              running         0,2-3
> > >> 1       orangepi0-gic-demo      shut down       1
> > >>
> > >> But when I load the gic-demo.bin, it failed:
> > >> # jailhouse cell load orangepi0-gic-demo inmates/demos/arm/gic-demo.bin
> > >> Unhandled data read at 0x1f00000(4)
> > >> FATAL: unhandled trap (exception class 0x24)
> > >> pc=0xc08cc6c0 cpsr=0x20000013 hsr=0x93830007
> > >> r0=0x00000190 r1=0x00020000 r2=0x0000a035 r3=0xcf807000
> > >> r4=0xcda54e10 r5=0xc1103d00 r6=0x00300402 r7=0xcd8d7480
> > >> r8=0x0002300c r9=0x00000285 r10=0x00000000 r11=0xcda47df4
> > >> r12=0x00300000 r13=0xcda47dd0 r14=0xc08c9ab8
> > >> Parking CPU 3 (Cell: "Orange-Pi0")
> > >> Cell "orangepi0-gic-demo" can be loaded
> > >>
> > >> Any suggestions would be greatly appreciated :)
> > >>
> > >> Is there any demo can be used to make sure my jailhouse environments are 
> > >> ready?
> > >>
> > >> Thanks!
> > > 
> > > I solved this problem by trying some different memory configurations.
> > > The following does work:
> > > mem=448M vmalloc=256M
> > > /* Orangepi0.c */
> > >           .hypervisor_memory = {
> > >                   .phys_start = 0x5f800000,
> > >                   .size = 0x800000,
> > >           },
> > > ...
> > >           /* RAM */ {
> > >                   .phys_start = 0x40000000,
> > >                   .virt_start = 0x40000000,
> > >                   .size =        0x1f700000,
> > >                   .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> > >                           JAILHOUSE_MEM_EXECUTE,
> > >           },
> > >           /* IVSHMEM shared memory region */ {
> > >                   .phys_start = 0x5f700000,
> > >                   .virt_start = 0x5f700000,
> > >                   .size =         0x100000,
> > >                   .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
> > >           },
> > > --------
> > > 
> > > But if I use the following configuration. When I enable jailhouse, it 
> > > says "JAILHOUSE_ENABLE: Invalid argument".
> > > /* orangepi0.c */
> > >           .hypervisor_memory = {
> > >                   .phys_start = 0x5c000000,
> > >                   .size = 0x4000000,
> > >           },
> > > ......
> > >           /* RAM */ {
> > >                   .phys_start = 0x40000000,
> > >                   .virt_start = 0x40000000,
> > >                   .size =        0x1bf00000,
> > >                   .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE |
> > >                           JAILHOUSE_MEM_EXECUTE,
> > >           },
> > >           /* IVSHMEM shared memory region */ {
> > >                   .phys_start = 0x5bf00000,
> > >                   .virt_start = 0x5bf00000,
> > >                   .size =         0x100000,
> > >                   .flags = JAILHOUSE_MEM_READ | JAILHOUSE_MEM_WRITE,
> > >           },
> > > --------
> > > cat /proc/iomem
> > > 01c02000-01c02fff : dma-controller@1c02000
> > > 01c0f000-01c0ffff : mmc@1c0f000
> > > 01c10000-01c10fff : mmc@1c10000
> > > 01c19000-01c193ff : usb@1c19000
> > >    01c19000-01c193ff : usb@1c19000
> > > 01c19400-01c1942b : phy_ctrl
> > > 01c1a000-01c1a0ff : usb@1c1a000
> > > 01c1a400-01c1a4ff : usb@1c1a400
> > > 01c1a800-01c1a803 : pmu0
> > > 01c1b000-01c1b0ff : usb@1c1b000
> > > 01c1b400-01c1b4ff : usb@1c1b400
> > > 01c1b800-01c1b803 : pmu1
> > > 01c1c000-01c1c0ff : usb@1c1c000
> > > 01c1c400-01c1c4ff : usb@1c1c400
> > > 01c1c800-01c1c803 : pmu2
> > > 01c1d000-01c1d0ff : usb@1c1d000
> > > 01c1d400-01c1d4ff : usb@1c1d400
> > > 01c1d800-01c1d803 : pmu3
> > > 01c20000-01c203ff : clock@1c20000
> > > 01c20800-01c20bff : pinctrl@1c20800
> > > 01c20ca0-01c20cbf : watchdog@1c20ca0
> > > 01c28000-01c2801f : serial
> > > 01c30000-01c3ffff : ethernet@1c30000
> > > 01f00000-01f00053 : rtc@1f00000
> > > 01f01400-01f014ff : clock@1f01400
> > > 01f015c0-01f015c3 : codec-analog@1f015c0
> > > 01f02c00-01f02fff : pinctrl@1f02c00
> > > 40000000-5bffffff : System RAM
> > >    40008000-40ffffff : Kernel code
> > >    41100000-412296cb : Kernel data
> > > ---------
> > > I don't know what's wrong with the second cell configuration
> > 
> > Make sure that the region described by .hypervisor_memory in the config 
> > matches with the
> > reserved_memory node in the root cell device tree.
> > EINVAL is possibly due to the mismatch in root cell DT and root cell config.
> > 
> > Nikhil D
> > 
> > > 
> > > Thanks!
> > >
> 
> After trying different parameters combination, I found that:
>               .hypervisor_memory = {
>                       .phys_start = 0x5f000000,
>                       .size = 0x1000000,
> where the "size" can not exceed "0x1000000".

I want to use FreeRTOS on my second core. So I tried 
"https://github.com/siemens/freertos-cell.git"; project.
After some modifications, I finally reached these errors:
arm-linux-gnueabihf-ld -T lscript.lds -o freertos-demo.elf main.o boot_stub.o 
libfreertos.a
libfreertos.a(serial.o): In function `serial_irq_getchar':
serial.c:(.text+0xaa): undefined reference to `__printf_chk'
serial.c:(.text+0xbe): undefined reference to `__printf_chk'
serial.c:(.text+0xd4): undefined reference to `__printf_chk'
libfreertos.a(gic-v2.o): In function `gic_v2_init':
gic-v2.c:(.text+0x2c): undefined reference to `__printf_chk'
libfreertos.a(gic-v2.o): In function `gic_v2_irq_set_prio':
gic-v2.c:(.text+0xc4): undefined reference to `__printf_chk'
libfreertos.a(gic-v2.o):gic-v2.c:(.text+0xdc): more undefined references to 
`__printf_chk' follow
Makefile:49: recipe for target 'freertos-demo.elf' failed
make: *** [freertos-demo.elf] Error 1

I have tried to include libc.a or libc.so by adding "-l" options to compiler 
but still failed.

Are there any suggestions? 

Thanks a lot!

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