Initial commit

14 files changed, 1216 insertions, 0 deletions

diff --git a/.builds/archlinux.yml b/.builds/archlinux.yml
new file mode 100644
index 0000000..8392163
--- /dev/null
+++ b/.builds/archlinux.yml
@@ -0,0 +1,26 @@
+# Copyright (C) 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+image: archlinux
+packages:
+  - rustup
+sources:
+  - https://git.ireas.org/ntw
+tasks:
+  - setup: |
+      rustup update stable
+      rustup self upgrade-data
+      rustup default stable
+      rustup target add thumbv7m-none-eabi
+      rustup component add rustfmt
+      rustup component add clippy
+  - version: |
+      rustc -V
+  - build: |
+      cd ntw
+      cargo build --release
+  - format: |
+      cd ntw
+      cargo fmt -- --check
+  - clippy: |
+      cd ntw
+      cargo clippy -- -D warnings
diff --git a/.builds/lint.yml b/.builds/lint.yml
new file mode 100644
index 0000000..c9f3902
--- /dev/null
+++ b/.builds/lint.yml
@@ -0,0 +1,20 @@
+# Copyright (C) 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+image: archlinux
+packages:
+  - gnupg
+  - python
+  - python-pip
+  - python-pygit2
+sources:
+  - https://git.ireas.org/ntw
+tasks:
+  - setup: |
+      pip install --user fsfe-reuse
+  - verify: |
+      cd ntw
+      curl -s "https://pgp.ireas.org/0x6D533958F070C57C.txt" | gpg --import
+      git verify-commit HEAD
+  - reuse: |
+      cd ntw
+      ~/.local/bin/reuse lint
diff --git a/.cargo/config b/.cargo/config
new file mode 100644
index 0000000..149feab
--- /dev/null
+++ b/.cargo/config
@@ -0,0 +1,11 @@
+# Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+
+[target.thumbv7m-none-eabi]
+runner = "arm-none-eabi-gdb -q -x etc/debug.gdb"
+rustflags = [
+  "-C", "link-arg=-Tlink.x",
+]
+
+[build]
+target = "thumbv7m-none-eabi"
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..1000a92
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,2 @@
+*.swp
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..66b28e2
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,228 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+# Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..aa96ab0
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,26 @@
+# Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+
+[package]
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+version = "0.1.0"
+authors = ["Robin Krahl <robin.krahl@ireas.org>"]
+description = "experimental firmware for the Nitrokey Pro"
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+edition = "2018"
+
+[dependencies]
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+cortex-m-rt = "0.6.7"
+embedded-hal = "0.2.2"
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+
+[dependencies.hal]
+package = "stm32f1xx-hal"
+version = "0.1.1"
+features = ["stm32f103", "rt"]
+
+[profile.release]
+codegen-units = 1
+debug = true
+lto = true
diff --git a/LICENSES/CC0-1.0.txt b/LICENSES/CC0-1.0.txt
new file mode 100644
index 0000000..0e259d4
--- /dev/null
+++ b/LICENSES/CC0-1.0.txt
@@ -0,0 +1,121 @@
+Creative Commons Legal Code
+
+CC0 1.0 Universal
+
+    CREATIVE COMMONS CORPORATION IS NOT A LAW FIRM AND DOES NOT PROVIDE
+    LEGAL SERVICES. DISTRIBUTION OF THIS DOCUMENT DOES NOT CREATE AN
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+    PROVIDED HEREUNDER, AND DISCLAIMS LIABILITY FOR DAMAGES RESULTING FROM
+    THE USE OF THIS DOCUMENT OR THE INFORMATION OR WORKS PROVIDED
+    HEREUNDER.
+
+Statement of Purpose
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diff --git a/LICENSES/GPL-3.0-or-later.txt b/LICENSES/GPL-3.0-or-later.txt
new file mode 100644
index 0000000..94a9ed0
--- /dev/null
+++ b/LICENSES/GPL-3.0-or-later.txt
@@ -0,0 +1,674 @@
+                    GNU GENERAL PUBLIC LICENSE
+                       Version 3, 29 June 2007
+
+ Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/>
+ Everyone is permitted to copy and distribute verbatim copies
+ of this license document, but changing it is not allowed.
+
+                            Preamble
+
+  The GNU General Public License is a free, copyleft license for
+software and other kinds of works.
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+PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS),
+EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF
+SUCH DAMAGES.
+
+  17. Interpretation of Sections 15 and 16.
+
+  If the disclaimer of warranty and limitation of liability provided
+above cannot be given local legal effect according to their terms,
+reviewing courts shall apply local law that most closely approximates
+an absolute waiver of all civil liability in connection with the
+Program, unless a warranty or assumption of liability accompanies a
+copy of the Program in return for a fee.
+
+                     END OF TERMS AND CONDITIONS
+
+            How to Apply These Terms to Your New Programs
+
+  If you develop a new program, and you want it to be of the greatest
+possible use to the public, the best way to achieve this is to make it
+free software which everyone can redistribute and change under these terms.
+
+  To do so, attach the following notices to the program.  It is safest
+to attach them to the start of each source file to most effectively
+state the exclusion of warranty; and each file should have at least
+the "copyright" line and a pointer to where the full notice is found.
+
+    <one line to give the program's name and a brief idea of what it does.>
+    Copyright (C) <year>  <name of author>
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+Also add information on how to contact you by electronic and paper mail.
+
+  If the program does terminal interaction, make it output a short
+notice like this when it starts in an interactive mode:
+
+    <program>  Copyright (C) <year>  <name of author>
+    This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
+    This is free software, and you are welcome to redistribute it
+    under certain conditions; type `show c' for details.
+
+The hypothetical commands `show w' and `show c' should show the appropriate
+parts of the General Public License.  Of course, your program's commands
+might be different; for a GUI interface, you would use an "about box".
+
+  You should also get your employer (if you work as a programmer) or school,
+if any, to sign a "copyright disclaimer" for the program, if necessary.
+For more information on this, and how to apply and follow the GNU GPL, see
+<http://www.gnu.org/licenses/>.
+
+  The GNU General Public License does not permit incorporating your program
+into proprietary programs.  If your program is a subroutine library, you
+may consider it more useful to permit linking proprietary applications with
+the library.  If this is what you want to do, use the GNU Lesser General
+Public License instead of this License.  But first, please read
+<http://www.gnu.org/philosophy/why-not-lgpl.html>.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..d026801
--- /dev/null
+++ b/README.md
@@ -0,0 +1,41 @@
+<!---
+Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+SPDX-License-Identifier: CC0-1.0
+-->
+
+# ntw
+
+`ntw` is an experimental firmware for the Nitrokey Pro.  It is in very early
+development and currently does not support any commands.
+
+## Resources
+
+### Development Setup
+
+- NUCLEO-F103RB: [data sheet][NUCLEO-F103RB-ds]
+- XNUCLEO-F103RB: [Waveshare wiki][XNUCLEO-F103RB-wiki]
+- STM32F103RB: [data sheet][STM32F103RB-ds], [reference manual][STM32F103RB-rm]
+
+[NUCLEO-F103RB-ds]: https://www.st.com/resource/en/data_brief/nucleo-f103rb.pdf
+[XNUCLEO-F103RB-wiki]: https://www.waveshare.com/wiki/XNUCLEO-F103RB
+[STM32F103RB-ds]: https://www.st.com/resource/en/datasheet/stm32f103rb.pdf
+[STM32F103RB-rm]: https://www.st.com/content/ccc/resource/technical/document/reference_manual/59/b9/ba/7f/11/af/43/d5/CD00171190.pdf/files/CD00171190.pdf/jcr:content/translations/en.CD00171190.pdf
+
+## Contact
+
+For bug reports, patches, feature requests or other messages, please send a
+mail to [ntw-dev@ireas.org][].
+
+## License
+
+This project is licensed under the [GNU General Public License version 3][GPL]
+or later.  The documentation and configuration files contained in this
+repository are licensed under the [Creative Commons Zero][CC0] license.  You
+can find a copy of the license texts in the `LICENSES` directory.
+
+`ntw` complies with [version 2.0 of the REUSE practices][reuse].
+
+[ntw-dev@ireas.org]: mailto:ntw-dev@ireas.org
+[GPL]: https://www.gnu.org/licenses/gpl-3.0.en.html
+[CC0]: https://creativecommons.org/publicdomain/zero/1.0/
+[reuse]: https://reuse.software/practices/2.0/
diff --git a/build.rs b/build.rs
new file mode 100644
index 0000000..a57e0a9
--- /dev/null
+++ b/build.rs
@@ -0,0 +1,18 @@
+// Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+use std::env;
+use std::fs::File;
+use std::io::{Result, Write};
+use std::path::PathBuf;
+
+fn main() -> Result<()> {
+    let out = PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    let mut file = File::create(out.join("memory.x"))?;
+    file.write_all(include_bytes!("etc/memory.x"))?;
+
+    println!("cargo:rustc-link-search={}", out.display());
+    println!("cargo:rerun-if-changed=etc/memory.x");
+
+    Ok(())
+}
diff --git a/etc/debug.gdb b/etc/debug.gdb
new file mode 100644
index 0000000..3599638
--- /dev/null
+++ b/etc/debug.gdb
@@ -0,0 +1,16 @@
+# Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+
+target extended-remote :3333
+
+set print asm-demangle on
+
+break DefaultHandler
+break HardFault
+break rust_begin_unwind
+
+monitor arm semihosting enable
+
+load
+
+stepi
diff --git a/etc/memory.x b/etc/memory.x
new file mode 100644
index 0000000..6a430dc
--- /dev/null
+++ b/etc/memory.x
@@ -0,0 +1,10 @@
+/*
+ * Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+ * SPDX-License-Identifier: CC0-1.0
+ */
+
+MEMORY
+{
+  FLASH : ORIGIN = 0x08000000, LENGTH = 128K
+  RAM : ORIGIN = 0x20000000, LENGTH = 20K
+}
diff --git a/etc/openocd.cfg b/etc/openocd.cfg
new file mode 100644
index 0000000..731cf7e
--- /dev/null
+++ b/etc/openocd.cfg
@@ -0,0 +1,5 @@
+# Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+# SPDX-License-Identifier: CC0-1.0
+
+source [find interface/stlink-v2.cfg]
+source [find target/stm32f1x.cfg]
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..d76cf33
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,18 @@
+// Copyright 2019 Robin Krahl <robin.krahl@ireas.org>
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#![no_std]
+#![no_main]
+
+extern crate panic_halt;
+extern crate hal;
+
+use cortex_m::asm;
+use cortex_m_rt::entry;
+
+#[entry]
+fn main() -> ! {
+    loop {
+        asm::nop();
+    }
+}