diff options
Diffstat (limited to 'src/exception.rs')
| -rw-r--r-- | src/exception.rs | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/src/exception.rs b/src/exception.rs index fad3ea9..cd38366 100644 --- a/src/exception.rs +++ b/src/exception.rs @@ -1,6 +1,8 @@ //! Exceptions -use {Handler, Reserved, StackFrame}; +use {Handler, Reserved}; +#[cfg(target_arch = "arm")] +use StackFrame; /// Kind of exception #[derive(Clone, Copy, Debug, Eq, PartialEq)] @@ -98,6 +100,7 @@ pub const DEFAULT_HANDLERS: Handlers = Handlers { pub unsafe extern "C" fn default_handler() { // This is the actual exception handler. `_sf` is a pointer to the previous // stack frame + #[cfg(target_arch = "arm")] extern "C" fn handler(_sf: &StackFrame) -> ! { #[cfg(feature = "semihosting")] hprintln!("EXCEPTION {:?} @ PC=0x{:08x}", Exception::current(), _sf.pc); @@ -109,12 +112,21 @@ pub unsafe extern "C" fn default_handler() { loop {} } - // "trampoline" to get to the real exception handler. - asm!("mrs r0, MSP - ldr r1, [r0, #20] - b $0" - : - : "i"(handler as extern "C" fn(&StackFrame) -> !) :: "volatile"); + match () { + #[cfg(target_arch = "arm")] + () => { + // "trampoline" to get to the real exception handler. + asm!("mrs r0, MSP + ldr r1, [r0, #20] + b $0" + : + : "i"(handler as extern "C" fn(&StackFrame) -> !) + : + : "volatile"); - ::core::intrinsics::unreachable() + ::core::intrinsics::unreachable() + } + #[cfg(not(target_arch = "arm"))] + () => {} + } } |