mirror of https://github.com/rust-lang/rust
25 lines
633 B
Rust
25 lines
633 B
Rust
//@ build-pass
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//@ compile-flags: --target thumbv8m.main-none-eabi --crate-type lib
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//@ needs-llvm-components: arm
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#![feature(abi_c_cmse_nonsecure_call, no_core, lang_items, intrinsics)]
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#![no_core]
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#[lang="sized"]
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pub trait Sized { }
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#[lang="copy"]
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pub trait Copy { }
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impl Copy for u32 {}
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extern "rust-intrinsic" {
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pub fn transmute<T, U>(e: T) -> U;
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}
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#[no_mangle]
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pub fn test(a: u32, b: u32, c: u32, d: u32) -> u32 {
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let non_secure_function = unsafe {
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transmute::<usize, extern "C-cmse-nonsecure-call" fn(u32, u32, u32, u32) -> u32>(
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0x10000004,
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)
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};
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non_secure_function(a, b, c, d)
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}
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