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2 commits

Author SHA1 Message Date
Mikael Ågren
62dba7c4fe
PoC: Control access to FW RAM 
Allow FW RAM access only in the following execution contexts:
- Firmware mode
- IRQ_SYSCALL_HI

Input port `system_mode` of the `fw_ram` module is replaced with an
enable port. Since access to FW RAM not longer depend only on
system_mode
 2025-02-07 12:54:01 +01:00
Mikael Ågren
a871d23d5d
PoC: Add basic syscall example firmware 
Adds a basic example firmware that copies an app to app RAM. The app
triggers syscall interrupts and tries to execute ROM code from app mode.

A make target (`tb_application_fpga_irqpoc_with_app`) that simulates a
Tkey running the firmware is added.
 2025-02-07 12:54:01 +01:00