RISC-V support over CLINT (#815)

* Rebase to master

* using interrupt_mod

* bug fixes

* fix other backends

* Add changelog

* forgot about rtic-macros

* backend-specific configuration

* core peripherals optional over macro argument

* pre_init_preprocessing binding

* CI for RISC-V (WIP)

* separation of concerns

* add targets for RISC-V examples

* remove qemu feature

* prepare examples folder

* move examples all together

* move ci out of examples

* minor changes

* add cortex-m

* new xtask: proof of concept

* fix build.yml

* feature typo

* clean rtic examples

* reproduce weird issue

* remove unsafe code in user app

* update dependencies

* allow builds on riscv32imc

* let's fix QEMU

* Update .github/workflows/build.yml

Co-authored-by: Henrik Tjäder <henrik@tjaders.com>

* New build.rs

* removing test features

* adapt ui test to new version of clippy

* add more examples to RISC-V backend

* proper configuration of heapless for riscv32imc

* opt-out examples for riscv32imc

* point to new version of riscv-slic

* adapt new macro bindings

* adapt examples and CI to stable

* fix cortex-m CI

* Review

---------

Co-authored-by: Henrik Tjäder <henrik@tjaders.com>

1 files changed, 36 insertions, 0 deletions

diff --git a/examples/lm3s6965/Cargo.toml b/examples/lm3s6965/Cargo.toml
new file mode 100644
index 0000000..86a7cbb
--- /dev/null
+++ b/examples/lm3s6965/Cargo.toml
@@ -0,0 +1,36 @@
+[package]
+name = "rtic_lm3s6965"
+categories = ["embedded", "no-std"]
+description = "Examples of RTIC apps for the lm3s6965 chip"
+license = "MIT OR Apache-2.0"
+version = "0.1.0"
+edition = "2021"
+
+[workspace]
+
+[dependencies]
+heapless = "0.8"
+lm3s6965 = "0.2"
+cortex-m = "0.7.0"
+bare-metal = "1.0.0"
+cortex-m-semihosting = "0.5.0"
+rtic-time = { path = "../../rtic-time" }
+rtic-sync = { path = "../../rtic-sync" }
+rtic-monotonics = { path = "../../rtic-monotonics", features = ["cortex-m-systick"] }
+rtic = { path = "../../rtic" }
+
+[dependencies.futures]
+version = "0.3.26"
+default-features = false
+features = ["async-await"]
+
+[dependencies.panic-semihosting]
+features = ["exit"]
+version = "0.6.0"
+
+[features]
+test-critical-section = ["rtic/test-critical-section"]
+thumbv6-backend = ["rtic/thumbv6-backend"]
+thumbv7-backend = ["rtic/thumbv7-backend"]
+thumbv8base-backend = ["rtic/thumbv8base-backend"]
+thumbv8main-backend = ["rtic/thumbv8main-backend"]