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rename LLVM target for RustyHermit #84930

Merged
merged 1 commit into from
May 7, 2021
Merged

rename LLVM target for RustyHermit #84930

merged 1 commit into from
May 7, 2021

Commits on May 7, 2021

  1. rename LLVM target for RustyHermit 

    RustyHermit ist is a library operating system. In this case, we link a static library as kernel to the application. The final result is a bootable application. The library and the application have to use the same target. Currently, the targets are different (see also https://github.com/rust-lang/rust/blob/master/compiler/rustc_target/src/spec/x86_64_unknown_hermit.rs). Consequently, this commit change the LLVM target to 'hermit'.

This kernel spec is needed to disable the usage of FPU registers, which are not allowed in kernel space. In contrast to Linux, everything is running in ring 0 and also in the same address space.

Signed-off-by: Stefan Lankes <slankes@eonerc.rwth-aachen.de>
    @stlankes
    stlankes committed May 7, 2021
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