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Add enter_unprivileged() function #594

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Merged
adamgreig merged 4 commits into from
Aug 31, 2025
+34 −0
Merged

Add enter_unprivileged() function #594

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539bce1
Add enter_unprivileged() function
kevinbube Apr 25, 2025
8b84fc8
Revised enter_unprivileged safety comments.
jonathanpallant Aug 27, 2025
c4b0b36
Rebase removed asm import, so qualify path to asm! macro.
jonathanpallant Aug 27, 2025
0ea4eff
Update CHANGELOG.md
jonathanpallant Aug 31, 2025
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Rebase removed asm import, so qualify path to asm! macro.
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@jonathanpallant
jonathanpallant committed Aug 27, 2025
commit c4b0b366a2bf87450f7b924f136c1537dcb0141a
2 changes: 1 addition & 1 deletion cortex-m/src/asm.rs
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Expand Up @@ -190,7 +190,7 @@ pub unsafe fn semihosting_syscall(nr: u32, arg: u32) -> u32 {
#[cfg(cortex_m)]
#[inline(always)]
pub unsafe fn enter_unprivileged(psp: *const u32, entry: fn() -> !) -> ! {
asm!(
core::arch::asm!(
"mrs {tmp}, CONTROL",
"orr {tmp}, #3",
"msr PSP, {psp}",
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