Merge pull request #4227 from i509VCB/mspm0-group-int-v2

mspm0: generate interrupt group handlers

embassy-mspm0/Cargo.toml

@@ -46,14 +46,14 @@ cortex-m = "0.7.6"
 critical-section = "1.2.0"
 
 # mspm0-metapac = { version = "" }
-mspm0-metapac = { git = "https://github.com/mspm0-rs/mspm0-data-generated/", tag = "mspm0-data-66a55c7bf38a2201ff48c299843e741f2d537f0b" }
+mspm0-metapac = { git = "https://github.com/mspm0-rs/mspm0-data-generated/", tag = "mspm0-data-26a6f681eda4ef120e8cb614a1631727c848590f" }
 
 [build-dependencies]
 proc-macro2 = "1.0.94"
 quote = "1.0.40"
 
 # mspm0-metapac = { version = "", default-features = false, features = ["metadata"] }
-mspm0-metapac = { git = "https://github.com/mspm0-rs/mspm0-data-generated/", tag = "mspm0-data-66a55c7bf38a2201ff48c299843e741f2d537f0b", default-features = false, features = ["metadata"] }
+mspm0-metapac = { git = "https://github.com/mspm0-rs/mspm0-data-generated/", tag = "mspm0-data-26a6f681eda4ef120e8cb614a1631727c848590f", default-features = false, features = ["metadata"] }
 
 [features]
 default = ["rt"]

embassy-mspm0/build.rs

@@ -1,6 +1,7 @@
 use std::cmp::Ordering;
 use std::collections::{BTreeSet, HashMap};
-use std::io::Write;
+use std::fmt::Write;
+use std::io::Write as _;
 use std::path::{Path, PathBuf};
 use std::process::Command;
 use std::sync::LazyLock;
@@ -16,12 +17,19 @@ mod common;
 
 fn main() {
     generate_code();
+    interrupt_group_linker_magic();
 }
 
 fn generate_code() {
     let mut cfgs = common::CfgSet::new();
     common::set_target_cfgs(&mut cfgs);
 
+    #[cfg(any(feature = "rt"))]
+    println!(
+        "cargo:rustc-link-search={}",
+        PathBuf::from(env::var_os("OUT_DIR").unwrap()).display(),
+    );
+
     cfgs.declare_all(&["gpio_pb", "gpio_pc", "int_group1"]);
 
     let chip_name = match env::vars()
@@ -58,6 +66,7 @@ fn generate_code() {
     g.extend(generate_interrupts());
     g.extend(generate_peripheral_instances());
     g.extend(generate_pin_trait_impls());
+    g.extend(generate_groups());
 
     let out_dir = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
     let out_file = out_dir.join("_generated.rs").to_string_lossy().to_string();
@@ -123,6 +132,83 @@ fn get_chip_cfgs(chip_name: &str) -> Vec<String> {
     cfgs
 }
 
+/// Interrupt groups use a weakly linked symbols and #[linkage = "extern_weak"] is nightly we need to
+/// do some linker magic to create weak linkage.
+fn interrupt_group_linker_magic() {
+    let mut file = String::new();
+
+    for group in METADATA.interrupt_groups {
+        for interrupt in group.interrupts.iter() {
+            let name = interrupt.name;
+
+            writeln!(&mut file, "PROVIDE({name} = DefaultHandler);").unwrap();
+        }
+    }
+
+    let out_dir = &PathBuf::from(env::var_os("OUT_DIR").unwrap());
+    let out_file = out_dir.join("interrupt_group.x");
+    fs::write(&out_file, file).unwrap();
+}
+
+fn generate_groups() -> TokenStream {
+    let group_vectors = METADATA.interrupt_groups.iter().map(|group| {
+        let vectors = group.interrupts.iter().map(|interrupt| {
+            let fn_name = Ident::new(interrupt.name, Span::call_site());
+
+            quote! {
+                pub(crate) fn #fn_name();
+            }
+        });
+
+        quote! { #(#vectors)* }
+    });
+
+    let groups = METADATA.interrupt_groups.iter().map(|group| {
+        let interrupt_group_name = Ident::new(group.name, Span::call_site());
+        let group_enum = Ident::new(&format!("Group{}", &group.name[5..]), Span::call_site());
+        let group_number = Literal::u32_unsuffixed(group.number);
+
+        let matches = group.interrupts.iter().map(|interrupt| {
+            let variant = Ident::new(&interrupt.name, Span::call_site());
+
+            quote! {
+                #group_enum::#variant => unsafe { group_vectors::#variant() },
+            }
+        });
+
+        quote! {
+            #[cfg(feature = "rt")]
+            #[crate::pac::interrupt]
+            fn #interrupt_group_name() {
+                use crate::pac::#group_enum;
+
+                let group = crate::pac::CPUSS.int_group(#group_number);
+                // MUST subtract by 1 since 0 is NO_INTR
+                let iidx = group.iidx().read().stat().to_bits() - 1;
+
+                let Ok(group) = #group_enum::try_from(iidx as u8) else {
+                    return;
+                };
+
+                match group {
+                    #(#matches)*
+                }
+            }
+        }
+    });
+
+    quote! {
+        #(#groups)*
+
+        #[cfg(feature = "rt")]
+        mod group_vectors {
+            extern "Rust" {
+                #(#group_vectors)*
+            }
+        }
+    }
+}
+
 #[derive(Debug, Clone)]
 struct Singleton {
     name: String,

embassy-mspm0/src/gpio.rs

@@ -1119,24 +1119,36 @@ impl Iterator for BitIter {
     }
 }
 
-// C110x has a dedicated interrupt just for GPIOA, as it does not have a GROUP1 interrupt.
+// C110x and L110x have a dedicated interrupts just for GPIOA.
+//
+// These chips do not have a GROUP1 interrupt.
 #[cfg(all(feature = "rt", any(mspm0c110x, mspm0l110x)))]
 #[interrupt]
 fn GPIOA() {
-    gpioa_interrupt();
+    irq_handler(pac::GPIOA, &PORTA_WAKERS);
 }
 
-#[cfg(feature = "rt")]
+// These symbols are weakly defined as DefaultHandler and are called by the interrupt group implementation.
-pub(crate) fn gpioa_interrupt() {
+//
+// Defining these as no_mangle is required so that the linker will pick these over the default handler.
+
+#[cfg(all(feature = "rt", not(any(mspm0c110x, mspm0l110x))))]
+#[no_mangle]
+#[allow(non_snake_case)]
+fn GPIOA() {
     irq_handler(pac::GPIOA, &PORTA_WAKERS);
 }
 
 #[cfg(all(feature = "rt", gpio_pb))]
-pub(crate) fn gpiob_interrupt() {
+#[no_mangle]
+#[allow(non_snake_case)]
+fn GPIOB() {
     irq_handler(pac::GPIOB, &PORTB_WAKERS);
 }
 
 #[cfg(all(feature = "rt", gpio_pc))]
-pub(crate) fn gpioc_interrupt() {
+#[allow(non_snake_case)]
+#[no_mangle]
+fn GPIOC() {
     irq_handler(pac::GPIOC, &PORTC_WAKERS);
 }

embassy-mspm0/src/int_group/c110x.rs

@@ -1,25 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // TODO: Decompose to direct u8
-    let iidx = group.iidx().read().stat().to_bits();
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}

embassy-mspm0/src/int_group/g110x.rs

@@ -1,47 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-    }
-}

embassy-mspm0/src/int_group/g150x.rs

@@ -1,51 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::COMP1 => todo!("implement COMP1"),
-        Group1::COMP2 => todo!("implement COMP2"),
-        Group1::TRNG => todo!("implement TRNG"),
-    }
-}

embassy-mspm0/src/int_group/g151x.rs

@@ -1,52 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::COMP1 => todo!("implement COMP1"),
-        Group1::COMP2 => todo!("implement COMP2"),
-        Group1::TRNG => todo!("implement TRNG"),
-        Group1::GPIOC => crate::gpio::gpioc_interrupt(),
-    }
-}

embassy-mspm0/src/int_group/g310x.rs

@@ -1,48 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::TRNG => todo!("implement TRNG"),
-    }
-}

embassy-mspm0/src/int_group/g350x.rs

@@ -1,51 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::COMP1 => todo!("implement COMP1"),
-        Group1::COMP2 => todo!("implement COMP2"),
-        Group1::TRNG => todo!("implement TRNG"),
-    }
-}

embassy-mspm0/src/int_group/g351x.rs

@@ -1,52 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::WWDT1 => todo!("implement WWDT1"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::COMP1 => todo!("implement COMP1"),
-        Group1::COMP2 => todo!("implement COMP2"),
-        Group1::TRNG => todo!("implement TRNG"),
-        Group1::GPIOC => crate::gpio::gpioc_interrupt(),
-    }
-}

embassy-mspm0/src/int_group/l11xx.rs

@@ -1,25 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}

embassy-mspm0/src/int_group/l12xx.rs

@@ -1,49 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::TRNG => todo!("implement TRNG"),
-        Group1::GPIOC => crate::gpio::gpioc_interrupt(),
-    }
-}

embassy-mspm0/src/int_group/l13xx.rs

@@ -1,46 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-    }
-}

embassy-mspm0/src/int_group/l222x.rs

@@ -1,49 +0,0 @@
-use crate::pac;
-use crate::pac::interrupt;
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP0() {
-    use mspm0_metapac::Group0;
-
-    let group = pac::CPUSS.int_group(0);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group0::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 0: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group0::WWDT0 => todo!("implement WWDT0"),
-        Group0::DEBUGSS => todo!("implement DEBUGSS"),
-        Group0::FLASHCTL => todo!("implement FLASHCTL"),
-        Group0::SYSCTL => todo!("implement SYSCTL"),
-    }
-}
-
-#[cfg(feature = "rt")]
-#[interrupt]
-fn GROUP1() {
-    use mspm0_metapac::Group1;
-
-    let group = pac::CPUSS.int_group(1);
-
-    // Must subtract by 1 since NO_INTR is value 0
-    let iidx = group.iidx().read().stat().to_bits() - 1;
-
-    let Ok(group) = pac::Group1::try_from(iidx as u8) else {
-        debug!("Invalid IIDX for group 1: {}", iidx);
-        return;
-    };
-
-    match group {
-        Group1::GPIOA => crate::gpio::gpioa_interrupt(),
-        Group1::GPIOB => crate::gpio::gpiob_interrupt(),
-        Group1::COMP0 => todo!("implement COMP0"),
-        Group1::TRNG => todo!("implement TRNG"),
-        Group1::GPIOC => crate::gpio::gpioc_interrupt(),
-    }
-}

embassy-mspm0/src/lib.rs

@@ -39,20 +39,6 @@ pub mod mode {
 #[cfg(feature = "_time-driver")]
 mod time_driver;
 
-// Interrupt group handlers.
-#[cfg_attr(mspm0c110x, path = "int_group/c110x.rs")]
-#[cfg_attr(mspm0g110x, path = "int_group/g110x.rs")]
-#[cfg_attr(mspm0g150x, path = "int_group/g150x.rs")]
-#[cfg_attr(mspm0g350x, path = "int_group/g350x.rs")]
-#[cfg_attr(mspm0g151x, path = "int_group/g151x.rs")]
-#[cfg_attr(mspm0g351x, path = "int_group/g351x.rs")]
-#[cfg_attr(mspm0g310x, path = "int_group/g310x.rs")]
-#[cfg_attr(mspm0l110x, path = "int_group/l11xx.rs")]
-#[cfg_attr(mspm0l122x, path = "int_group/l12xx.rs")]
-#[cfg_attr(any(mspm0l130x, mspm0l134x), path = "int_group/l13xx.rs")]
-#[cfg_attr(mspm0l222x, path = "int_group/l222x.rs")]
-mod int_group;
-
 pub(crate) mod _generated {
     #![allow(dead_code)]
     #![allow(unused_imports)]

examples/mspm0c1104/build.rs

@@ -32,4 +32,6 @@ fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 }

examples/mspm0g3507/build.rs

@@ -32,4 +32,6 @@ fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 }

examples/mspm0g3519/build.rs

@@ -32,4 +32,6 @@ fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 }

examples/mspm0l1306/build.rs

@@ -32,4 +32,6 @@ fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 }

examples/mspm0l2228/build.rs

@@ -32,4 +32,6 @@ fn main() {
     println!("cargo:rustc-link-arg-bins=--nmagic");
     println!("cargo:rustc-link-arg-bins=-Tlink.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 }

tests/mspm0/build.rs

@@ -19,6 +19,8 @@ fn main() -> Result<(), Box<dyn Error>> {
     println!("cargo:rustc-link-arg-bins=-Tlink_ram.x");
     println!("cargo:rustc-link-arg-bins=-Tdefmt.x");
     println!("cargo:rustc-link-arg-bins=-Tteleprobe.x");
+    // You must tell cargo to link interrupt groups if the rt feature is enabled.
+    println!("cargo:rustc-link-arg-bins=-Tinterrupt_group.x");
 
     Ok(())
 }