forked from M-Labs/zynq-rs
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README.md
77
README.md
@ -8,37 +8,7 @@ Currently the ELF output is placed at `target/armv7-none-eabihf/release/experime
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# Debug
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## Using the Xilinx toolchain
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Tested with the ZC706 board.
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Run the Xilinx Microprocessor Debugger:
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```shell
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/opt/Xilinx/14.7/ISE_DS/EDK/bin/lin64/xmd
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```
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Connect to target (given it is connected and you have permissions):
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```tcl
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connect arm hw
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```
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Leave xmd running.
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Start the Xilinx version of the GNU debugger with your latest build:
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```shell
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/opt/Xilinx/14.7/ISE_DS/EDK/gnu/arm/lin/bin/arm-xilinx-linux-gnueabi-gdb zc706
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```
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Connect the debugger to xmd over TCP on localhost:
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```gdb
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target remote :1234
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```
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Proceed using gdb with `load`, `c`
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## Using OpenOCD
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### Running on the ZC706
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## Running on the ZC706
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```shell
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nix-shell --command "cargo xbuild --release -p experiments"
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@ -46,7 +16,7 @@ cd openocd
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openocd -f zc706.cfg
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```
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### Running on the Cora Z7-10
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## Running on the Cora Z7-10
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```shell
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nix-shell --command "cd experiments && cargo xbuild --release --no-default-features --features=target_cora_z7_10"
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@ -54,49 +24,8 @@ cd openocd
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openocd -f cora-z7-10.cfg
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```
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### Loading a bitstream into volatile memory
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## Loading a bitstream into volatile memory
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```shell
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openocd -f zc706.cfg -c "pld load 0 blinker_migen.bit; exit"
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```
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### Development Process
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Clone this repo onto your development/build machine and the raspberry pi that controls the Xilinx 7000 board
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On the dev machine, the below script builds zc706 and secure copies it to the target pi (in your pi $HOME directory):
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```shell
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cd ~/zynq-rs
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./build.sh $your_user_or_ssh_id
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```
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On the pi, we need an information rich environment that includes a relatively reliable `gdb` experience (that includes `ctrl-p` and `ctrl-n` command history that persists across `cgdb` executions), run:
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```shell
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ssh pi4
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cd zynq-rs
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# For ZC706, run:
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./tmux.sh 0
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# For Cora Z7, run:
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./tmux.sh
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```
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Time to run your code with:
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```shell
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zynq-connect
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zynq-restart
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c
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```
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or, for a more succinct experience, (identical to above)
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```shell
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dc
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dr
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c
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```
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After every build on your dev machine, simply run:
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```shell
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dr
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c
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```
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Sometimes you might need to type `load` after `dr`.
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6
qemu.gdb
6
qemu.gdb
@ -1,6 +0,0 @@
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target remote :1234
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# print demangled symbols by default
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set print asm-demangle on
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load
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11
runner.sh
11
runner.sh
@ -1,11 +0,0 @@
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#!/usr/bin/env bash
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set -e -m
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ELF=$1
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IMAGE=$ELF.bin
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arm-none-eabihf-objcopy -O binary $ELF $IMAGE
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qemu-system-arm -M xilinx-zynq-a9 -s -kernel $IMAGE -chardev file,id=uart0,path=/tmp/qemu.serial &
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sleep 1
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gdb -x qemu.gdb $ELF
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kill -KILL %1
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36
tmux.sh
36
tmux.sh
@ -1,36 +0,0 @@
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#! /usr/bin/env nix-shell
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#! nix-shell -i bash -p gdb openocd cgdb tmux
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SESSION=$USER
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if [ $1 -eq 0 ]
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then
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tmux -2 new-session -d -s $SESSION
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tmux new-window -t $SESSION:1 -n 'ZC706'
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tmux split-window -h
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tmux select-pane -t 0
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tmux send-keys "stty 115200 < /dev/ttyUSB1 && cat /dev/ttyUSB1" C-m
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tmux select-pane -t 1
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tmux send-keys "sleep 10 && cgdb zc706.elf -x openocd/gdb-zynq-commands" C-m
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tmux split-window -v
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tmux resize-pane -D 20
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tmux send-keys "cd openocd && openocd -f zc706.cfg -c reset init" C-m
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else
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tmux -2 new-session -d -s $SESSION
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tmux new-window -t $SESSION:1 -n 'CORA Z7'
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tmux split-window -h
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tmux select-pane -t 0
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tmux send-keys "stty 115200 < /dev/ttyUSB1 && cat /dev/ttyUSB1" C-m
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tmux select-pane -t 1
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tmux send-keys "sleep 10 && cgdb target/armv7-none-eabihf/release/zc706-experiments -x openocd/gdb-zynq-commands" C-m
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tmux split-window -v
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tmux resize-pane -D 20
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tmux send-keys "cd openocd && openocd -f cora-z7-10.cfg -c reset init" C-m
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fi
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# Set default window
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tmux select-window -t $SESSION:1
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# Set focus on gdb
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tmux select-pane -t $SESSION:.-
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# Attach to session
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tmux -2 attach-session -t $SESSION
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