26 lines
476 B
Rust
26 lines
476 B
Rust
|
//@ known-bug: #111709
|
||
|
|
//@ edition:2021
|
||
|
|
|
||
|
|
use core::arch::asm;
|
||
|
|
|
||
|
|
struct TrapFrame;
|
||
|
|
|
||
|
|
unsafe extern "C" fn _rust_abi_shim1<A, R>(arg: A, f: fn(A) -> R) -> R {
|
||
|
|
f(arg)
|
||
|
|
}
|
||
|
|
|
||
|
|
unsafe extern "C" fn _start_trap() {
|
||
|
|
extern "Rust" {
|
||
|
|
fn interrupt(tf: &mut TrapFrame);
|
||
|
|
}
|
||
|
|
asm!(
|
||
|
|
"
|
||
|
|
la a1, {irq}
|
||
|
|
call {shim}
|
||
|
|
",
|
||
|
|
shim = sym crate::_rust_abi_shim1::<&mut TrapFrame, ()>,
|
||
|
|
irq = sym interrupt,
|
||
|
|
options(noreturn)
|
||
|
|
)
|
||
|
|
}
|