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Embassy RP: RP235x Fix MPU region enablement in stack guard installation #4296

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Embassy RP: RP235x Fix MPU region enablement in stack guard installation #4296

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2 changes: 1 addition & 1 deletion embassy-rp/src/lib.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -567,7 +567,7 @@ unsafe fn install_stack_guard(stack_bottom: *mut usize) -> Result<(), ()> {
unsafe {
core.MPU.ctrl.write(5); // enable mpu with background default map
core.MPU.rbar.write(stack_bottom as u32 & !0xff); // set address
core.MPU.rlar.write(1); // enable region
core.MPU.rlar.write(((stack_bottom as usize + 255) as u32) | 1);
}
Ok(())
}
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