>On 22/11/2023 06:53, '张平' via Jailhouse wrote:
>> I am trying to transplant jailhouse on the A55 core, but now I have
>> encountered some problems. After I execute the following command, the
>> system will freeze.
>> $ jailhouse enable renesas-r9a07g044l2.cell
>
>No error log? Is the debug console configured correctly?
I think there is no problem with the debug console configuration I set up.
Please refer to:
.debug_console = {
.address = 0x1004b800,
.size = 0x400,
.type = JAILHOUSE_CON_TYPE_SCIFA,
.flags = JAILHOUSE_CON_ACCESS_MMIO |
JAILHOUSE_CON_REGDIST_4,
},
>
>>
>> What are the possible consequences?
>>
>> I made sure I did the following:
>> 1.Linux kernel version 5.10
>> 2.Linux starts in EL2
>> 3. Turn on KVM
>
>Do not use KVM in combination with Jailhouse. Disable KVM in your kernel.
>
I turned off KVM as you said but the problem still exists.
root@smarc-rzg2l:~# dmesg | grep -r kvm
root@smarc-rzg2l:~# insmod jailhouse.ko
[123.760797] jailhouse: loading out-of-tree module taints kernel.
root@smarc-rzg2l:~# jailhouse enable renesas-r9a07g044l2.cell
>Ralf
>
>> 4. Turn off kernel CONFIG_ARM64_VHE
I would also like to add:
I refer to this post and added mov and ret modifications to entry.S to
output jailhouse is opening.
However, when using the command jailhouse cell list later, I also
encountered the problem of the serial port being stuck.
Reference post:
https://groups.google.com/g/jailhouse-dev/c/zwY9bpxq8mg/m/VF44nEC2AwAJ
log:
root@smarc-rzg2l:~# insmod jailhouse.ko
[79.631308] jailhouse: loading out-of-tree module taints kernel.
root@smarc-rzg2l:~# jailhouse enable renesas-r9a07g044l2.cell
[85.716867] pci-host-generic e0000000.pci: host bridge /pci@0 ranges:
[85.723692] pci-host-generic e0000000.pci: MEM 0x00e0100000..0x00e0103fff
-> 0x00e0100000
[85.733615] pci-host-generic e0000000.pci: ECAM at [mem
0xe0000000-0xe00fffff] for [bus 00]
[85.742977] pci-host-generic e0000000.pci: PCI host bridge to bus 0001:00
[85.749828] pci_bus 0001:00: root bus resource [bus 00]
[85.755130] pci_bus 0001:00: root bus resource [mem 0xe0100000-0xe0103fff]
[85.763626] pci 0001:00:1f.0: [0ff0:c000] type 0f class 0xc0000f
[85.769669] pci 0001:00:1f.0: unknown header type 0f, ignoring device
[85.776475] The Jailhouse is opening.
root@smarc-rzg2l:~# jailhouse cell list
ID Name
So is this way of modifying entry.S the correct way?
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