src/libksupport/src/eh_artiq.rs

@@ -15,7 +15,7 @@
 use core::mem;
 
 use core_io::Error as ReadError;
-use cslice::{AsCSlice, CSlice};
+use cslice::CSlice;
 use dwarf::eh::{self, EHAction, EHContext};
 use io::{Cursor, ProtoRead};
 use libc::{c_int, c_void, uintptr_t};
@@ -222,6 +222,8 @@ pub unsafe fn artiq_personality(
 }
 
 pub unsafe extern "C" fn raise(exception: *const Exception) -> ! {
+    use cslice::AsCSlice;
+
     let count = EXCEPTION_BUFFER.exception_count;
     let stack = &mut EXCEPTION_BUFFER.exception_stack;
     let diff = exception as isize - EXCEPTION_BUFFER.exceptions.as_ptr() as isize;
@@ -475,28 +477,20 @@ extern "C" fn stop_fn(
     }
 }
 
-// Must be kept in sync with preallocate_runtime_exception_names() in `artiq.compiler.embedding`
-static EXCEPTION_ID_LOOKUP: [(&str, u32); 20] = [
-    ("RTIOUnderflow", 0),
-    ("RTIOOverflow", 1),
-    ("RTIODestinationUnreachable", 2),
-    ("DMAError", 3),
-    ("I2CError", 4),
-    ("CacheError", 5),
-    ("SPIError", 6),
-    ("SubkernelError", 7),
-    ("AssertionError", 8),
-    ("AttributeError", 9),
-    ("IndexError", 10),
-    ("IOError", 11),
-    ("KeyError", 12),
-    ("NotImplementedError", 13),
-    ("OverflowError", 14),
-    ("RuntimeError", 15),
-    ("TimeoutError", 16),
-    ("TypeError", 17),
-    ("ValueError", 18),
-    ("ZeroDivisionError", 19),
+// Must be kept in sync with preallocate_runtime_exception_names() in artiq/language/embedding_map.py
+static EXCEPTION_ID_LOOKUP: [(&str, u32); 12] = [
+    ("RuntimeError", 0),
+    ("RTIOUnderflow", 1),
+    ("RTIOOverflow", 2),
+    ("RTIODestinationUnreachable", 3),
+    ("DMAError", 4),
+    ("I2CError", 5),
+    ("CacheError", 6),
+    ("SPIError", 7),
+    ("ZeroDivisionError", 8),
+    ("IndexError", 9),
+    ("UnwrapNoneError", 10),
+    ("SubkernelError", 11),
 ];
 
 pub fn get_exception_id(name: &str) -> u32 {
@@ -531,29 +525,3 @@ macro_rules! artiq_raise {
     }};
     ($name:expr, $message:expr) => {{ artiq_raise!($name, $message, 0, 0, 0) }};
 }
-
-/// Takes as input exception id from host
-/// Generates a new exception with:
-///   * `id` set to `exn_id`
-///   * `message` set to corresponding exception name from `EXCEPTION_ID_LOOKUP`
-///
-/// The message is matched on host to ensure correct exception is being referred
-/// This test checks the synchronization of exception ids for runtime errors
-#[no_mangle]
-pub extern "C" fn test_exception_id_sync(exn_id: u32) {
-    let message = EXCEPTION_ID_LOOKUP
-        .iter()
-        .find_map(|&(name, id)| if id == exn_id { Some(name) } else { None })
-        .unwrap_or("unallocated internal exception id");
-
-    let exn = Exception {
-        id: exn_id,
-        file: file!().as_c_slice(),
-        line: 0,
-        column: 0,
-        function: "test_exception_id_sync".as_c_slice(),
-        message: message.as_c_slice(),
-        param: [0, 0, 0],
-    };
-    unsafe { raise(&exn) };
-}

src/libksupport/src/kernel/api.rs

@@ -332,13 +332,6 @@ pub fn resolve(required: &[u8]) -> Option<u32> {
         api!(sp_linalg_schur = linalg::sp_linalg_schur),
         api!(sp_linalg_hessenberg = linalg::sp_linalg_hessenberg),
 
-        /*
-         * syscall for unit tests
-         * Used in `artiq.tests.coredevice.test_exceptions.ExceptionTest.test_raise_exceptions_kernel`
-         * This syscall checks that the exception IDs used in the Python `EmbeddingMap` (in `artiq.language.embedding`)
-         * match the `EXCEPTION_ID_LOOKUP` defined in the firmware (`libksupport::src::eh_artiq`)
-         */
-        api!(test_exception_id_sync = eh_artiq::test_exception_id_sync)
     ];
     api.iter()
         .find(|&&(exported, _)| exported.as_bytes() == required)