From 4060c3def88f82d4e4f48de7137ce365167ef265 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rom=C3=A1n=20C=C3=A1rdenas=20Rodr=C3=ADguez?=
 <rcardenas.rod@gmail.com>
Date: Wed, 20 Mar 2024 21:06:47 +0100
Subject: RISC-V support over CLINT (#815)
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* 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>
---
 rtic-macros/src/codegen/bindings/template.rs | 60 ++++++++++++++++++----------
 1 file changed, 40 insertions(+), 20 deletions(-)

(limited to 'rtic-macros/src/codegen/bindings/template.rs')

diff --git a/rtic-macros/src/codegen/bindings/template.rs b/rtic-macros/src/codegen/bindings/template.rs
index b5488b7..ecb46d5 100644
--- a/rtic-macros/src/codegen/bindings/template.rs
+++ b/rtic-macros/src/codegen/bindings/template.rs
@@ -6,40 +6,55 @@ use proc_macro2::TokenStream as TokenStream2;
 use quote::quote;
 use syn::{parse, Attribute, Ident};
 
+pub fn interrupt_ident() -> Ident {
+    let span = Span::call_site();
+    Ident::new("interrupt", span)
+}
+
+pub fn interrupt_mod(app: &App) -> TokenStream2 {
+    let device = &app.args.device;
+    let interrupt = interrupt_ident();
+    quote!(#device::#interrupt)
+}
+
 pub fn impl_mutex(
-    _app: &App,
-    _analysis: &CodegenAnalysis,
-    _cfgs: &[Attribute],
-    _resources_prefix: bool,
-    _name: &Ident,
-    _ty: &TokenStream2,
-    _ceiling: u8,
-    _ptr: &TokenStream2,
+    app: &App,
+    analysis: &CodegenAnalysis,
+    cfgs: &[Attribute],
+    resources_prefix: bool,
+    name: &Ident,
+    ty: &TokenStream2,
+    ceiling: u8,
+    ptr: &TokenStream2,
 ) -> TokenStream2 {
     quote!()
 }
 
-pub fn extra_assertions(_app: &App, _analysis: &SyntaxAnalysis) -> Vec<TokenStream2> {
+pub fn extra_assertions(app: &App, analysis: &SyntaxAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
 
-pub fn pre_init_checks(_app: &App, _analysis: &SyntaxAnalysis) -> Vec<TokenStream2> {
+pub fn pre_init_preprocessing(app: &mut App, analysis: &SyntaxAnalysis) -> parse::Result<()> {
+    Ok(())
+}
+
+pub fn pre_init_checks(app: &App, analysis: &SyntaxAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
 
-pub fn pre_init_enable_interrupts(_app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
+pub fn pre_init_enable_interrupts(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
 
-pub fn architecture_specific_analysis(_app: &App, _analysis: &SyntaxAnalysis) -> parse::Result<()> {
+pub fn architecture_specific_analysis(app: &App, analysis: &SyntaxAnalysis) -> parse::Result<()> {
     Ok(())
 }
 
-pub fn interrupt_entry(_app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
+pub fn interrupt_entry(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
 
-pub fn interrupt_exit(_app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
+pub fn interrupt_exit(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
 
@@ -51,20 +66,25 @@ pub fn check_stack_overflow_before_init(
 }
 
 pub fn async_entry(
-    _app: &App,
-    _analysis: &CodegenAnalysis,
-    _dispatcher_name: Ident,
+    app: &App,
+    analysis: &CodegenAnalysis,
+    dispatcher_name: Ident,
 ) -> Vec<TokenStream2> {
     vec![]
 }
 
-pub fn async_prio_limit(app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
+pub fn async_prio_limit(app: &App, analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
     vec![]
 }
+
 pub fn handler_config(
-    _app: &App,
-    _analysis: &CodegenAnalysis,
+    app: &App,
+    analysis: &CodegenAnalysis,
     dispatcher_name: Ident,
 ) -> Vec<TokenStream2> {
     vec![]
 }
+
+pub fn extra_modules(app: &App, analysis: &SyntaxAnalysis) -> Vec<TokenStream2> {
+    vec![]
+}
-- 
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