zynq-rs/README.md

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# Bare-metal Rust on Zynq-7000
Supported features:
* Clocking setup
* UART
* SDRAM setup
* Ethernet with smoltcp and async-await on TCP sockets
* SD card
* PL programming and startup
* Pure Rust SZL first-stage bootloader, with SD boot and netboot
* Control of second CPU core and message passing, with async-await support
Supported boards:
* ZC706
* Red Pitaya (note: SDRAM issues, worked around using `ps7_init`)
* Cora Z7-10 (note: SDRAM issues)
## Build
```shell
nix-shell --command "cargo xbuild --release -p experiments"
```
Currently the ELF output is placed at `target/armv7-none-eabihf/release/experiments`
## Debug
### Running on the ZC706
```shell
nix-shell --command "cargo xbuild --release -p experiments"
cd openocd
openocd -f zc706.cfg
```
### Running on the Cora Z7-10
```shell
nix-shell --command "cd experiments && cargo xbuild --release --no-default-features --features=target_cora_z7_10"
cd openocd
openocd -f cora-z7-10.cfg
```
### Loading a bitstream into volatile memory
```shell
openocd -f zc706.cfg -c "pld load 0 blinker_migen.bit; exit"
```