Skip to content

Add support for FPU flags for PDs #316

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
JDuchniewicz wants to merge 2 commits into
base: main
Choose a base branch
from
Open

Add support for FPU flags for PDs #316

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
2 commits
Select commit Hold shift + click to select a range
982714c
Add support for FPU flags for PDs
JDuchniewicz Dec 11, 2025
b8c5697
Address review comments
JDuchniewicz Dec 18, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
12 changes: 12 additions & 0 deletions crates/sel4-capdl-initializer/src/initialize.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -750,6 +750,8 @@ impl<'a> Initializer<'a> {
let max_prio = obj.extra.max_prio.into();
let prio = obj.extra.prio.into();

let fpu = obj.extra.fpu.into();

#[allow(unused_variables)]
let affinity = obj.extra.affinity.to_sel4();

Expand Down Expand Up @@ -806,6 +808,11 @@ impl<'a> Initializer<'a> {
fault_ep,
)?;

tcb.tcb_set_flags(
0,
fpu,
);

tcb.tcb_set_timeout_endpoint(temp_fault_ep)?;
} else {
let fault_ep = sel4::CPtr::from_bits(obj.extra.master_fault_ep.as_ref().unwrap().to_sel4());
Expand All @@ -825,6 +832,11 @@ impl<'a> Initializer<'a> {
prio,
)?;

tcb.tcb_set_flags(
0,
fpu,
);

sel4::sel4_cfg_if! {
if #[sel4_cfg(not(MAX_NUM_NODES = "1"))] {
tcb.tcb_set_affinity(affinity)?;
Expand Down
1 change: 1 addition & 0 deletions crates/sel4-capdl-initializer/types/src/spec.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -403,6 +403,7 @@ pub mod object {
pub affinity: Word,
pub prio: u8,
pub max_prio: u8,
pub fpu: bool,
pub resume: bool,

pub ip: Word,
Expand Down
10 changes: 10 additions & 0 deletions crates/sel4/src/invocations.rs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -9,6 +9,7 @@
use core::mem;

use sel4_config::{sel4_cfg, sel4_cfg_if};
use sel4_sys::seL4_TCB_SetFlags_ret;

use crate::{
AbsoluteCPtr, CNodeCapData, CPtr, CapRights, Error, InvocationContext, ObjectBlueprint, Result,
Expand Down Expand Up @@ -124,6 +125,15 @@ impl<C: InvocationContext> Tcb<C> {
}))
}

// Corresponds to `seL4_TCB_SetFlags`.
pub fn tcb_set_flags(self, clear: Word, set: Word) -> seL4_TCB_SetFlags_ret {
self.invoke(|cptr, ipc_buffer| {
ipc_buffer
.inner_mut()
.seL4_TCB_SetFlags(cptr.bits(), clear, set)
})
}

sel4_cfg_if! {
if #[sel4_cfg(KERNEL_MCS)] {
/// Corresponds to `seL4_TCB_Configure`.
Expand Down
Loading