Hey all,
I have been playing around with Xen and Dom0 on a Juno r0 board. Currently dom0 is failing to initailize USB. This is an issue because the rootfs depends on the usb.
usb 1-1: new high-speed USB device number 2 using ehci-platform
usb 1-1: device…
Hi Mark Nicholson, Ash Wilding,
I'm currently using a Juno r1 board and I'm running the Linaro's deliverables on my board.
Recently I want to build the OpenEmbedded system by myself so I checked the instruction. However, after I finished the…
Hi experts,
Recently I want to conduct one secure-related scanning in TrustZone for some NS kernel memory.
To do this, I need at first reporting the PA of the memory from NS kernel. My idea is developing a kernel module to achieve the goal.
I write the
…Hi experts,
I'm wondering do you compile the OPTEE_OS in this instruction as arm32 or AArch64? In which script do you set the compiler for the secure OS? ( I checked the file build-optee-os.sh while I find the file exports both compilers so I'm not…
Hi experts,
I'm using a Juno r1 board for some cache-related research experiment so I'm studying the related memory attributes such as cacheability and shareability.
I found the manual mentioned that: " the division between inner and outer is…
Hi, experts Ash Wilding Mark Nicholson,
I'm wondering for the multicore ARM architecture, are all CPU cores sharing one set of general purpose registers (X0 - X30) or each CPU core has its separate registers? My feeling is that each core has its own…
Hi all,
I am trying to use one Cortex-A57 (debugger) core to debug a Cortex-A53 core (target) on Juno board. According to the armv8 architecture manual, i may halt the the target and use EDITR instruction to force the target execute instructions. So,…
