Merge branch 'main' into tcb_unbind_ntfn

.reuse/dep5

@@ -3,6 +3,11 @@ Upstream-Name: seL4
 Upstream-Contact: seL4 team <[email protected]>
 Source: http://sel4.systems
 
+Files:
+  VERSION
+Copyright: 2024, Colias Group, LLC
+License: CC-BY-SA-4.0
+
 Files:
   Cargo.lock
   support/*.json

Cargo.nix

@@ -24,9 +24,9 @@
     members = lib.naturalSort (lib.mapAttrsToList (_: v: v.path) localCrates);
   };
   patch.crates-io = {
-    ring = {
+    ring = localCrates.ring or  {
       git = "https://github.com/coliasgroup/ring.git";
-      rev = "0e644b7837cffcd53a3ff67d7f478801b4e9e0ed";
+      rev = "0f749acc5d5a8310dfc3ff985df04056f497fc1b"; # branch sel4
     };
   };
 }

Cargo.toml

@@ -148,4 +148,4 @@ members = [
 
 [patch.crates-io.ring]
 git = "https://github.com/coliasgroup/ring.git"
-rev = "0e644b7837cffcd53a3ff67d7f478801b4e9e0ed"
+rev = "0f749acc5d5a8310dfc3ff985df04056f497fc1b"

README.md

@@ -35,14 +35,14 @@ Microkit](https://github.com/seL4/microkit). In particular, this project works w
 following versions of those related projects:
 
 - seL4, when used without Microkit:
-  [`ddeb18a015199a28393d654ad8349788ab492d8a`](https://github.com/seL4/seL4/tree/ddeb18a015199a28393d654ad8349788ab492d8a)
-  (on [github.com/seL4/seL4:master](https://github.com/seL4/seL4/tree/master))
+  [`cd6d3b8c25d49be2b100b0608cf0613483a6fffa`](https://github.com/seL4/seL4/tree/cd6d3b8c25d49be2b100b0608cf0613483a6fffa)
+  (version 13.0.0, on [github.com/seL4/seL4:master](https://github.com/seL4/seL4/tree/master))
 - seL4, when used with Microkit:
-  [`57975d485397ce1744f7163644dd530560d0b7ec`](https://github.com/seL4/seL4/tree/57975d485397ce1744f7163644dd530560d0b7ec)
+  [`0cdbffec9cf6b4c7c9c57971cbee5a24a70c8fd0`](https://github.com/seL4/seL4/tree/0cdbffec9cf6b4c7c9c57971cbee5a24a70c8fd0)
   (on [github.com/seL4/seL4:microkit](https://github.com/seL4/seL4/tree/microkit))
 - seL4 Microkit:
-  [`0cdcd54ed4b2152678c4312e738b9b1830046234`](https://github.com/seL4/microkit/tree/0cdcd54ed4b2152678c4312e738b9b1830046234)
-  (on [github.com/seL4/microkit:main](https://github.com/seL4/microkit/tree/main))
+  [`1ccdfcb3b224533c965fd6508de3dd56657f959c`](https://github.com/seL4/microkit/tree/1ccdfcb3b224533c965fd6508de3dd56657f959c)
+  (version 1.3.0, on [github.com/seL4/microkit:main](https://github.com/seL4/microkit/tree/main))
 
 ### Demos
 

VERSION

@@ -0,0 +1 @@
+1.0.0-dev

crates/examples/microkit/http-server/http-server.system

@@ -41,13 +41,13 @@
 
     <protection_domain name="pl031_driver" pp="true" priority="251">
         <program_image path="microkit-http-server-example-pl031-driver.elf" />
-        <map mr="pl031_mmio"  vaddr="0x5_000_000_000" perms="rw" cached="false" setvar_vaddr="pl031_mmio_vaddr" />
+        <map mr="pl031_mmio" vaddr="0x5_000_000_000" perms="rw" cached="false" setvar_vaddr="pl031_mmio_vaddr" />
         <irq irq="34" id="0" />
     </protection_domain>
 
     <protection_domain name="sp804_driver" pp="true" priority="254">
         <program_image path="microkit-http-server-example-sp804-driver.elf" />
-        <map mr="sp804_mmio"  vaddr="0x5_000_000_000" perms="rw" cached="false" setvar_vaddr="sp804_mmio_vaddr" />
+        <map mr="sp804_mmio" vaddr="0x5_000_000_000" perms="rw" cached="false" setvar_vaddr="sp804_mmio_vaddr" />
         <irq irq="43" id="0" />
     </protection_domain>
 

crates/examples/microkit/http-server/pds/server/Cargo.nix

@@ -4,7 +4,7 @@
 # SPDX-License-Identifier: BSD-2-Clause
 #
 
-{ mk, localCrates, versions, serdeWith, smoltcpWith, ringWith }:
+{ mk, localCrates, versions, serdeWith, smoltcpWith }:
 
 mk {
   package.name = "microkit-http-server-example-server";

crates/sel4-microkit/base/src/channel.rs

@@ -13,7 +13,7 @@ const BASE_ENDPOINT_SLOT: usize = BASE_OUTPUT_NOTIFICATION_SLOT + 64;
 const BASE_IRQ_SLOT: usize = BASE_ENDPOINT_SLOT + 64;
 const BASE_TCB_SLOT: usize = BASE_IRQ_SLOT + 64;
 
-const MAX_CHANNELS: usize = 63;
+const MAX_CHANNELS: usize = 62;
 
 /// A channel between this protection domain and another, identified by a channel index.
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
@@ -83,11 +83,11 @@ impl fmt::Display for IrqAckError {
 
 /// A handle to a child protection domain, identified by a child protection domain index.
 #[derive(Debug, Copy, Clone, Eq, PartialEq, Ord, PartialOrd, Hash)]
-pub struct ProtectionDomain {
+pub struct Child {
     index: usize,
 }
 
-impl ProtectionDomain {
+impl Child {
     pub const fn new(index: usize) -> Self {
         Self { index }
     }

crates/sel4-microkit/base/src/handler.rs

@@ -9,7 +9,7 @@ use core::fmt;
 use crate::{
     defer::{DeferredAction, PreparedDeferredAction},
     ipc::{self, Event},
-    pd_is_passive, Channel, MessageInfo, ProtectionDomain,
+    pd_is_passive, Channel, Child, MessageInfo,
 };
 
 pub use core::convert::Infallible;
@@ -39,10 +39,10 @@ pub trait Handler {
 
     fn fault(
         &mut self,
-        pd: ProtectionDomain,
+        child: Child,
         msg_info: MessageInfo,
-    ) -> Result<MessageInfo, Self::Error> {
-        panic!("unexpected fault from protection domain {pd:?} with msg_info={msg_info:?}")
+    ) -> Result<Option<MessageInfo>, Self::Error> {
+        panic!("unexpected fault from protection domain {child:?} with msg_info={msg_info:?}")
     }
 
     /// An advanced feature for use by protection domains which seek to coalesce syscalls when
@@ -81,8 +81,8 @@ pub trait Handler {
                 Event::Protected(channel, msg_info) => {
                     reply_tag = Some(self.protected(channel, msg_info)?);
                 }
-                Event::Fault(pd, msg_info) => {
-                    reply_tag = Some(self.fault(pd, msg_info)?);
+                Event::Fault(child, msg_info) => {
+                    reply_tag = self.fault(child, msg_info)?;
                 }
             };
 

crates/sel4-microkit/base/src/ipc.rs

@@ -6,7 +6,7 @@
 
 use crate::MessageInfo;
 
-use crate::{defer::PreparedDeferredAction, Channel, ProtectionDomain};
+use crate::{defer::PreparedDeferredAction, Channel, Child};
 
 const INPUT_CAP: sel4::cap::Endpoint = sel4::Cap::from_bits(1);
 const REPLY_CAP: sel4::cap::Reply = sel4::Cap::from_bits(4);
@@ -29,7 +29,7 @@ fn strip_flag(badge: sel4::Badge, bit: usize) -> Option<sel4::Word> {
 pub enum Event {
     Notified(NotifiedEvent),
     Protected(Channel, MessageInfo),
-    Fault(ProtectionDomain, MessageInfo),
+    Fault(Child, MessageInfo),
 }
 
 impl Event {
@@ -41,7 +41,7 @@ impl Event {
             )
         } else if let Some(pd_index) = strip_flag(badge, PD_BADGE_BIT) {
             Self::Fault(
-                ProtectionDomain::new(pd_index.try_into().unwrap()),
+                Child::new(pd_index.try_into().unwrap()),
                 MessageInfo::from_inner(tag),
             )
         } else {
@@ -106,6 +106,6 @@ pub(crate) fn nb_send_recv(action: PreparedDeferredAction) -> Event {
 pub(crate) fn forfeit_sc() -> PreparedDeferredAction {
     PreparedDeferredAction::new(
         MONITOR_EP_CAP.cast(),
-        sel4::MessageInfoBuilder::default().length(1).build(),
+        sel4::MessageInfoBuilder::default().build(),
     )
 }

crates/sel4-microkit/base/src/lib.rs

@@ -16,9 +16,9 @@ mod symbols;
 #[doc(hidden)]
 pub mod ipc;
 
-pub use channel::{Channel, IrqAckError, ProtectionDomain};
+pub use channel::{Channel, Child, IrqAckError};
 pub use defer::{DeferredAction, DeferredActionInterface, DeferredActionSlot};
-pub use handler::{Handler, Infallible, NullHandler};
+pub use handler::{Handler, Infallible, Never, NullHandler};
 pub use message::{
     get_mr, set_mr, with_msg_bytes, with_msg_bytes_mut, with_msg_regs, with_msg_regs_mut,
     MessageInfo, MessageLabel, MessageRegisterValue,

crates/sel4-shared-ring-buffer/smoltcp/src/lib.rs

@@ -90,8 +90,10 @@ impl<A: AbstractBounceBufferAllocator> Device for DeviceImpl<A> {
     }
 
     fn receive(&mut self, _timestamp: Instant) -> Option<(Self::RxToken<'_>, Self::TxToken<'_>)> {
-        let r = self.inner().borrow_mut().receive();
-        r.map(|(rx_ix, tx_ix)| (self.new_rx_token(rx_ix), self.new_tx_token(tx_ix)))
+        self.inner()
+            .borrow_mut()
+            .receive()
+            .map(|(rx_ix, tx_ix)| (self.new_rx_token(rx_ix), self.new_tx_token(tx_ix)))
     }
 
     fn transmit(&mut self, _timestamp: Instant) -> Option<Self::TxToken<'_>> {

crates/sel4/build-env/src/lib.rs

@@ -81,23 +81,3 @@ pub fn find_in_libsel4_include_dirs(relative_path: impl AsRef<Path>) -> PathBuf
         )
     })
 }
-
-pub fn try_get_or_find_in_libsel4_include_dirs(
-    var: &str,
-    relative_path: impl AsRef<Path>,
-) -> Option<PathBuf> {
-    get_asserting_valid_unicode(var)
-        .map(PathBuf::from)
-        .or_else(|| try_find_in_libsel4_include_dirs(relative_path))
-}
-
-pub fn get_or_find_in_libsel4_include_dirs(var: &str, relative_path: impl AsRef<Path>) -> PathBuf {
-    let relative_path = relative_path.as_ref();
-    try_get_or_find_in_libsel4_include_dirs(var, relative_path).unwrap_or_else(|| {
-        panic!(
-            "{} not in env and {} not found in libsel4 include path",
-            var,
-            relative_path.display(),
-        )
-    })
-}

crates/sel4/src/object.rs

@@ -59,7 +59,7 @@ impl From<ObjectTypeArch> for ObjectType {
     }
 }
 
-/// An object description for [`Untyped::untyped_retype`](crate::Untyped::untyped_retype).
+/// An object description for [`Untyped::untyped_retype`](crate::cap::Untyped::untyped_retype).
 #[sel4_cfg_enum]
 #[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord)]
 pub enum ObjectBlueprint {

crates/sel4/src/syscalls.rs

@@ -247,14 +247,14 @@ pub fn set_tls_base(addr: usize) {
 
 const UNUSED_FOR_IN: Word = 0;
 
-/// The result of [`Endpoint::recv_with_mrs`].
+/// The result of [`cap::Endpoint::recv_with_mrs`].
 pub struct RecvWithMRs {
     pub info: MessageInfo,
     pub badge: Badge,
     pub msg: [Word; NUM_FAST_MESSAGE_REGISTERS],
 }
 
-/// The result of [`Endpoint::call_with_mrs`].
+/// The result of [`cap::Endpoint::call_with_mrs`].
 pub struct CallWithMRs {
     pub info: MessageInfo,
     pub msg: [Word; NUM_FAST_MESSAGE_REGISTERS],

crates/sel4/sys/build/main.rs

@@ -11,9 +11,7 @@ use std::path::{Path, PathBuf};
 use glob::glob;
 use proc_macro2::TokenStream;
 
-use sel4_build_env::{
-    find_in_libsel4_include_dirs, get_libsel4_include_dirs, get_or_find_in_libsel4_include_dirs,
-};
+use sel4_build_env::{find_in_libsel4_include_dirs, get_libsel4_include_dirs};
 use sel4_rustfmt_helper::Rustfmt;
 
 mod bf;
@@ -48,15 +46,9 @@ fn main() {
     {
         let interface_definition_files = vec![
             // order must be consistent with C libsel4
-            get_or_find_in_libsel4_include_dirs("SEL4_OBJECT_API", "interfaces/object-api.xml"),
-            get_or_find_in_libsel4_include_dirs(
-                "SEL4_OBJECT_API_SEL4_ARCH",
-                "interfaces/object-api-sel4-arch.xml",
-            ),
-            get_or_find_in_libsel4_include_dirs(
-                "SEL4_OBJECT_API_ARCH",
-                "interfaces/object-api-arch.xml",
-            ),
+            find_in_libsel4_include_dirs("interfaces/object-api.xml"),
+            find_in_libsel4_include_dirs("interfaces/object-api-sel4-arch.xml"),
+            find_in_libsel4_include_dirs("interfaces/object-api-arch.xml"),
         ];
 
         let (invocation_labels_fragment, invocations_fragment) = xml::invocations::generate_rust(

hacking/cargo-manifest-management/manifest-scope.nix

@@ -196,7 +196,9 @@ in rec {
 
   ringWith = features: {
     version = "=0.17.8";
-    features = [ "less-safe-getrandom-custom-or-rdrand" ] ++ features;
+    features = [
+      "less-safe-getrandom-custom-or-rdrand"
+    ] ++ features;
   };
 
   rustlsWith = features: {

hacking/nix/default.nix

@@ -171,7 +171,21 @@ let
         inherit lib pkgs;
       } // import ./top-level self);
 
-  this = makeOverridableWith lib.id mkThis baseArgs;
+  this = lib.fix (self: makeOverridableWith lib.id mkThis baseArgs // rec {
+    overrideNixpkgsArgs = f: self.override (superArgs: selfBase:
+      let
+        concreteSuperArgs = superArgs selfBase;
+      in
+        concreteSuperArgs // {
+          nixpkgsArgsFor = crossSystem: f (concreteSuperArgs.nixpkgsArgsFor crossSystem);
+        }
+    );
+    withOverlays = overlays: self.overrideNixpkgsArgs (superNixpkgsArgs:
+      superNixpkgsArgs // {
+        overlays = superNixpkgsArgs.overlays ++ overlays;
+      }
+    );
+  });
 
 in
   this

hacking/nix/scope/crates.nix

@@ -19,7 +19,7 @@ let
 
   globalPatchSection = workspaceManifest.patch;
 
-  overrides = {
+  overridesForMkCrate = {
     sel4-sys = {
       extraPaths = [
         "build"
@@ -59,13 +59,11 @@ let
   };
 
   unAugmentedCrates = lib.listToAttrs (lib.forEach workspaceMemberPaths (cratePath: rec {
-    name = (crateUtils.crateManifest cratePath).package.name; # TODO redundant
-    value = crateUtils.mkCrate cratePath (overrides.${name} or {});
+    name = (crateUtils.crateManifest cratePath).package.name;
+    value = crateUtils.mkCrate cratePath (overridesForMkCrate.${name} or {});
   }));
 
-  augmentedCrates = crateUtils.augmentCrates unAugmentedCrates;
-
-  crates = augmentedCrates;
+  crates = crateUtils.augmentCrates unAugmentedCrates;
 
   isPrivate = crateName: builtins.match "^sel4-.*" crateName == null;
 
@@ -75,5 +73,5 @@ let
     (lib.concatMapStrings (crateName: "${crateName}\n") (lib.attrNames publicCrates));
 
 in {
-  inherit crates globalPatchSection publicCrates publicCratesTxt;
+  inherit crates overridesForMkCrate globalPatchSection publicCrates publicCratesTxt;
 }

hacking/nix/scope/default.nix

@@ -160,7 +160,8 @@ superCallPackage ../rust-utils {} self //
             { name = fname; path = builtins.toFile fname (builtins.readFile "${dir}/${fname}"); }
           ];
 
-  inherit (callPackage ./crates.nix {}) crates globalPatchSection publicCrates publicCratesTxt;
+  inherit (callPackage ./crates.nix {})
+    crates overridesForMkCrate globalPatchSection publicCrates publicCratesTxt;
 
   distribution = callPackage ./distribution.nix {};
 

hacking/nix/scope/microkit/default.nix

@@ -73,9 +73,9 @@ let
         --sel4=${kernelSourcePatched} \
         --boards ${board} \
         --configs ${config} \
+        --skip-tool \
         --skip-docs \
         --skip-tar
-
     '';
 
     installPhase = ''