[seL4] Re: Only 512mb ram available on capdl-loader-image-arm-qemu-arm-virt image

Hi Peter, I followed the steps you propose and got exactly the same error message as Daniele: Booting all finished, dropped to user space create_object@main.c:679 [Cond failed: err != seL4_NoError] (...) halting... Kernel entry via Unknown syscall, word: 1 El lun, 25 mar 2024 a las 10:44, Daniele Feliciani (< felicianidaniele@gmail.com>) escribió:

I changed the value but now i have the following error:

./simulate: QEMU command: qemu-system-aarch64 -machine virt,virtualization=on,highmem=off,secure=off -cpu cortex-a53 -nographic -m size=2048 -kernel images/capdl-loader-image-arm-qemu-arm-virt ELF-loader started on CPU: ARM Ltd. Cortex-A53 r0p4 paddr=[61b07000..62ee00b7] No DTB passed in from boot loader. Looking for DTB in CPIO archive...found at 61c07c68. Loaded DTB from 61c07c68. paddr=[60242000..60243fff] ELF-loading image 'kernel' to 60000000 paddr=[60000000..60241fff] vaddr=[8060000000..8060241fff] virt_entry=8060000000 ELF-loading image 'capdl-loader' to 60244000 paddr=[60244000..6170cfff] vaddr=[400000..18c8fff] virt_entry=408d88 Enabling hypervisor MMU and paging Jumping to kernel-image entry point...

Bootstrapping kernel Warning: Could not infer GIC interrupt target ID, assuming 0. available phys memory regions: 1 [60000000..c0000000] reserved virt address space regions: 3 [8060000000..8060242000] [8060242000..8060243e40] [8060244000..806170d000] Booting all finished, dropped to user space create_object@main.c:679 [Cond failed: err != seL4_NoError] Failed to find device frame/untyped at paddr = 0x40000000 seL4 root server abort()ed Debug halt syscall from user thread 0x80bf813400 "rootserver" halting... Kernel entry via Unknown syscall, word: 1

Il giorno lun 25 mar 2024 alle ore 10:22 Peter Chubb < peter.chubb@unsw.edu.au> ha scritto:

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> "Daniele" == Daniele Feliciani writes:

Daniele> Hello Peter, I have the same Daniele> problem. i tried to change the guest ram value to Daniele> 0x40000000. I added set(QEMU_MEMORY "2048") in config.cmake Daniele> but I get the following errors while running : " Daniele> map_vm_memory_reservation@guest_memory.c:477 Failed to get Daniele> frame for reservation address 0x60000000" and " Daniele> vm_ram_touch@guest_ram.c:165 Failed to touch ram region: Not Daniele> registered RAM region 32 bit ARM insts not decoded"

Check the size of the MMIO region. By default it uses 29 bits; for a 2G region you need 31 bits.

In the devices.camkes file, in the untyped_mmios section. There's probably an entry, "0x40000000:29", try increasing this to "0x40000000:31" to get a 2^31 region.

-- Dr Peter Chubb https://trustworthy.systems/ Trustworthy Systems Group CSE, UNSW Core hours: Mon 8am-3pm; Wed: 8am-5pm; Fri 8am-12pm.

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