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feat(kernel): SystemControl cap for halt, board device table + boot caps to init, RegionAddress syscall, idle loop services irqs

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This commit is contained in:
Gabriel Kaszewski
2026-10-26 23:59:57 +01:00
parent 130a82f50d
commit bafc18a5f8
21 changed files with 626 additions and 53 deletions
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13
crates/kernel/src/tests/storm.rs
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@@ -310,7 +310,7 @@ fn new_round(k: &mut Kernel<MockPlatform>, init: ProcessId, init_thread: ThreadI
#[test]
fn the_kernel_survives_a_syscall_storm() {
let mut total = [0usize; 36];
let mut total = [0usize; 36 + 1];
for seed in [17u64, 0xABCD_EF01, 4242, 0x1357_9BDF, 8] {
let (mut k, init) = kernel_with_process();
let init_thread = k.current_thread().unwrap();
@@ -318,7 +318,7 @@ fn the_kernel_survives_a_syscall_storm() {
let mut rng = Rng(seed);
let mut executed = 0;
let mut rounds = 0;
let mut succeeded = [0usize; 36];
let mut succeeded = [0usize; 36 + 1];
new_round(&mut k, init, init_thread);
let mut step = 0;
@@ -350,9 +350,11 @@ fn the_kernel_survives_a_syscall_storm() {
}
let tid = runnable[rng.below(runnable.len())];
let is_init = k.thread_process(tid) == Some(init);
let nr = rng.below(36);
// Halting stops the machine and init exiting ends the test.
if nr == SYS_HALT || (is_init && (nr == SYS_EXIT || nr == SYS_EXIT_THREAD)) {
let nr = rng.below(36 + 1);
// init exiting ends the test. Halt stays in: nobody here holds
// a SystemControl cap, so a halt that got through would panic
// the mock platform and fail the test.
if is_init && (nr == SYS_EXIT || nr == SYS_EXIT_THREAD) {
continue;
}
let args: [usize; 6] = core::array::from_fn(|_| rng.arg());
@@ -415,6 +417,7 @@ fn the_kernel_survives_a_syscall_storm() {
SYS_RELEASE_PAGES,
SYS_CREATE_REGION,
SYS_MAP_REGION,
SYS_REGION_ADDRESS,
SYS_KILL,
SYS_CREATE_PROCESS,
SYS_SPAWN_THREAD,