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How to find my irq number from hwirq number in linux kernel driver module? (finding matching irq_desc)
I'm doing an linux driver and application test on a qemu arm64 virtual machine.
My virtual machine is slightly modified version of arm 'virt' machine and it has our device model included.
When I do re...
Chan Kim
Votes: 0
Answers: 1
Returning from a signal handler without going the kernel + userspace interrupts
This is a followup on my older question: Returning from a signal handler via setcontext
I tried to write the assembly for doing the context switch from a signal handler back to the interrupted context...
Petr Skocik
Votes: 0
Answers: 0
Why my interrupt is not connected? qemu_irq_is_connected( ) returns false
I'm trying to make interrupt work for a device in qemu. The machnie name is ab21q, a modified version of arm64 virt machine, and the device name is ab21q_axpu.
Here are some relevant codes. I referenc...
Chan Kim
Votes: 0
Answers: 1
SysTick interrupt doesnt trigger (Arm Cortex M0)
I'm using a PGA970 with a ARM Cortex M0 and I'm struggling with the basic function of its SysTick interrupt. Neither Texas Instruments nor Arm could help me as they each ask me to consult the other.
M...
PaulR
Votes: 0
Answers: 0