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-rw-r--r--macros/src/codegen/pre_init.rs85
1 files changed, 0 insertions, 85 deletions
diff --git a/macros/src/codegen/pre_init.rs b/macros/src/codegen/pre_init.rs
deleted file mode 100644
index 28ba29c0..00000000
--- a/macros/src/codegen/pre_init.rs
+++ /dev/null
@@ -1,85 +0,0 @@
-use crate::syntax::ast::App;
-use proc_macro2::TokenStream as TokenStream2;
-use quote::quote;
-
-use crate::{analyze::Analysis, codegen::util};
-
-/// Generates code that runs before `#[init]`
-pub fn codegen(app: &App, analysis: &Analysis) -> Vec<TokenStream2> {
- let mut stmts = vec![];
-
- let rt_err = util::rt_err_ident();
-
- // Disable interrupts -- `init` must run with interrupts disabled
- stmts.push(quote!(rtic::export::interrupt::disable();));
-
- stmts.push(quote!(
- // To set the variable in cortex_m so the peripherals cannot be taken multiple times
- let mut core: rtic::export::Peripherals = rtic::export::Peripherals::steal().into();
- ));
-
- let device = &app.args.device;
- let nvic_prio_bits = quote!(#device::NVIC_PRIO_BITS);
-
- // check that all dispatchers exists in the `Interrupt` enumeration regardless of whether
- // they are used or not
- let interrupt = util::interrupt_ident();
- for name in app.args.dispatchers.keys() {
- stmts.push(quote!(let _ = #rt_err::#interrupt::#name;));
- }
-
- let interrupt_ids = analysis.interrupts.iter().map(|(p, (id, _))| (p, id));
-
- // Unmask interrupts and set their priorities
- for (&priority, name) in interrupt_ids.chain(app.hardware_tasks.values().filter_map(|task| {
- if util::is_exception(&task.args.binds) {
- // We do exceptions in another pass
- None
- } else {
- Some((&task.args.priority, &task.args.binds))
- }
- })) {
- let es = format!(
- "Maximum priority used by interrupt vector '{name}' is more than supported by hardware"
- );
- // Compile time assert that this priority is supported by the device
- stmts.push(quote!(
- const _: () = if (1 << #nvic_prio_bits) < #priority as usize { ::core::panic!(#es); };
- ));
-
- stmts.push(quote!(
- core.NVIC.set_priority(
- #rt_err::#interrupt::#name,
- rtic::export::logical2hw(#priority, #nvic_prio_bits),
- );
- ));
-
- // NOTE unmask the interrupt *after* setting its priority: changing the priority of a pended
- // interrupt is implementation defined
- stmts.push(quote!(rtic::export::NVIC::unmask(#rt_err::#interrupt::#name);));
- }
-
- // Set exception priorities
- for (name, priority) in app.hardware_tasks.values().filter_map(|task| {
- if util::is_exception(&task.args.binds) {
- Some((&task.args.binds, task.args.priority))
- } else {
- None
- }
- }) {
- let es = format!(
- "Maximum priority used by interrupt vector '{name}' is more than supported by hardware"
- );
- // Compile time assert that this priority is supported by the device
- stmts.push(quote!(
- const _: () = if (1 << #nvic_prio_bits) < #priority as usize { ::core::panic!(#es); };
- ));
-
- stmts.push(quote!(core.SCB.set_priority(
- rtic::export::SystemHandler::#name,
- rtic::export::logical2hw(#priority, #nvic_prio_bits),
- );));
- }
-
- stmts
-}