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Added support for adding codegen to intrrupt entry and exit (needed for RISC-V)

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Emil Fresk 2023-02-20 10:49:09 +01:00 committed by Henrik Tjäder
parent b9e0f36aff
commit e8cebff69e
3 changed files with 32 additions and 2 deletions
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15
rtic-macros/src/codegen/async_dispatchers.rs
View file

@ -1,5 +1,11 @@
use crate::syntax::ast::App;
use crate::{analyze::Analysis, codegen::util};
use crate::{
analyze::Analysis,
codegen::{
bindings::{interrupt_entry, interrupt_exit},
util,
},
};
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
@ -59,18 +65,25 @@ pub fn codegen(app: &App, analysis: &Analysis) -> TokenStream2 {
if level > 0 {
let doc = format!("Interrupt handler to dispatch async tasks at priority {level}");
let attribute = &interrupts.get(&level).expect("UNREACHABLE").1.attrs;
let entry_stmts = interrupt_entry(app, analysis);
let exit_stmts = interrupt_exit(app, analysis);
items.push(quote!(
#[allow(non_snake_case)]
#[doc = #doc]
#[no_mangle]
#(#attribute)*
unsafe fn #dispatcher_name() {
#(#entry_stmts)*
/// The priority of this interrupt handler
const PRIORITY: u8 = #level;
rtic::export::run(PRIORITY, || {
#(#stmts)*
});
#(#exit_stmts)*
}
));
} else {

8
rtic-macros/src/codegen/bindings/cortex.rs
View file

@ -312,3 +312,11 @@ pub fn architecture_specific_analysis(app: &App, _: &SyntaxAnalysis) -> parse::R
Ok(())
}
pub fn interrupt_entry(_app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
vec![]
}
pub fn interrupt_exit(_app: &App, _analysis: &CodegenAnalysis) -> Vec<TokenStream2> {
vec![]
}

11
rtic-macros/src/codegen/hardware_tasks.rs
View file

@ -1,7 +1,10 @@
use crate::syntax::{ast::App, Context};
use crate::{
analyze::Analysis,
codegen::{local_resources_struct, module, shared_resources_struct},
codegen::{
bindings::{interrupt_entry, interrupt_exit},
local_resources_struct, module, shared_resources_struct,
},
};
use proc_macro2::TokenStream as TokenStream2;
use quote::quote;
@ -17,6 +20,8 @@ pub fn codegen(app: &App, analysis: &Analysis) -> TokenStream2 {
let priority = task.args.priority;
let cfgs = &task.cfgs;
let attrs = &task.attrs;
let entry_stmts = interrupt_entry(app, analysis);
let exit_stmts = interrupt_exit(app, analysis);
mod_app.push(quote!(
#[allow(non_snake_case)]
@ -24,6 +29,8 @@ pub fn codegen(app: &App, analysis: &Analysis) -> TokenStream2 {
#(#attrs)*
#(#cfgs)*
unsafe fn #symbol() {
#(#entry_stmts)*
const PRIORITY: u8 = #priority;
rtic::export::run(PRIORITY, || {
@ -31,6 +38,8 @@ pub fn codegen(app: &App, analysis: &Analysis) -> TokenStream2 {
#name::Context::new()
)
});
#(#exit_stmts)*
}
));