Hello experts,
I have come to having a question.
VFP Benchmark is a benchmark application which was made by a certain Japanese in order to measure ARM VFP performance especially for ARMv7-A and ARMv8-A.
The software can be downloaded from the following link…
Hi !
I am writing assembly code for some ARMv7a and ARMv8a CPU. I know that code has to be 4 bytes aligned, but I saw in several places (uboot/linux) the ".align 4" GCC directive, which will align to 2**4 = 16 bytes.
When writing code that will…
Hi, arm experts,
We want to use ARCH32 mode in secure EL1, I see some descriptions in ARMv8 Arch Reference Manual about Secure EL1 ARCH32 mode as follows:
One is the VBAR(secure), it is mapped to VBAR_EL3, the other is SCTLR (secure), it is mapped to …
Hi ARM expert,
In ARM V7 RM, I saw "This chapter describes the implementation of the ARM Generic Timer as an OPTIONAL extension to an ARMv7-A or ARMv7-R processor implementation.". So, I think it means that a SoC implementation…
Hi !
I'm trying to update my custom kernel, working with short or long descriptor in armv7a to a target supporting armv8.
My current setup uses TTBR0 to point to the PL0 page table and TTBR1 to point to the PL1 page table.
At the moment, I sometimes…
Hi, everyone.
The CPU will receive a access flag fault if we set the access flag = 0. My question is if we always set the access flag to be zero in the fault handler, does the CPU get the value in the memory? For example, the instruction "ldr rd, address…
Hello,
I am working with some ARM hardware and I wrote a program in ARM Assembly. The ARM hardware that I am using requires the the program to be in HEX values and I found a website online that allowed me to convert the ARM Assembly language to HEX, the…
