Robin Mueller
116cb496d9
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Zynq7000 Rust Run-Time Support
Startup code and minimal runtime for the AMD Zynq7000 SoC to write bare metal Rust code. This run-time crate is strongly based on the startup code provided by AMD.
It mostly builds on aarch32-rt.
It activates the fpu-d32 feature on that crate and overrides the _default_start method
to add necessary setup code for the Zynq7000. It re-exports the aarch32-rt crate, including
the attributes macros. The documentation specifies
these in detail.
Some major differences to the startup code provided by AMD:
- No L2 cache initialization is performed.
- MMU table is specified as Rust code.
- Modification to the stack setup code, because a different linker script is used.
Features
rtis a default feature which activates the run-time.
Re-Generating the MMU table
The MMU table is a static flat map of 4096 entries for each 1 MB in the memory map.
It was generated using the mmu-table-gen
tool.