Hello!
First of all I would like to thank you all for your amazing contribution! More
I dive into understanding the kernel, more I appreciate your work and more I
learn.
As Marc Zyngier said:
"Now, if someone could try and run guests on this turd and report whether
this works correctly or not, that'd be an interesting data point.
Because in the absence of a TEE running on the secure side,
virtualization is basically the only thing you gain from running on the
non-secure side. "
I am that "someone" who wants to run Xen on a A83T chipset. I managed to build
the latest kernel 4.15, the Xen hypervisor and got stuck on compiling the
u-boot kernel with virtualization, HYP enabled and boot non secure:
bool "sun8i (Allwinner A83T)"
select CPU_V7
+ select CPU_V7_HAS_NONSEC
+ select CPU_V7_HAS_VIRT
+ select ARCH_SUPPORT_PSCI
select SUNXI_GEN_SUN6I
select SUPPORT_SPL
+ select ARMV7_BOOT_SEC_DEFAULT if OLD_SUNXI_KERNEL_COMPAT
Not knowing if A83T supports virtualization and the above mentioned features, I
tried to enable these in Kconfig and build the latest u-boot kernel.
Unfortunatelly even if it compiled, I have a strange loop at boot...I think it
is related to the CPU allocation...
As you can see I am a noob in terms of kernel hacking, but I want, with your
help, to achieve this implementation of Xen.
In this regard I would appreciate your help and guidance.
Can you provide the files/patches and/or a tutorial on how I could accomplish
my goal?
Many thanks!
Alex
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