wip

Author: sleepy-monax

meta/image/boot/loader.json

@@ -7,8 +7,8 @@
             "name": "Mobile",
             "kernel": "bundle://hjert/_bin",
             "blobs": [
-                "bundle://system-srv/_bin",
-                "bundle://device-srv/_bin",
+                "bundle://grund-system/_bin",
+                "bundle://grund-device/_bin",
                 {
                     "url": "bundle://hideo-shell/_bin",
                     "props": {
@@ -26,8 +26,8 @@
             "name": "Desktop",
             "kernel": "bundle://hjert/_bin",
             "blobs": [
-                "bundle://system-srv/_bin",
-                "bundle://device-srv/_bin",
+                "bundle://grund-system/_bin",
+                "bundle://grund-device/_bin",
                 {
                     "url": "bundle://hideo-shell/_bin",
                     "props": {
@@ -41,8 +41,8 @@
             "name": "Headless",
             "kernel": "bundle://hjert/_bin",
             "blobs": [
-                "bundle://system-srv/_bin",
-                "bundle://device-srv/_bin"
+                "bundle://grund-system/_bin",
+                "bundle://grund-device/_bin"
             ]
         }
     ]

meta/plugins/start-cmd.py

@@ -187,8 +187,8 @@ def bootCmd(args: Args) -> None:
     image.installTo("loader", efiTarget, "EFI/BOOT/BOOTX64.EFI")
     image.install("hjert", kernelTarget)
     image.install("limine-tests", kernelTarget)
-    image.install("system-srv", skiftTarget)
-    image.install("device-srv", skiftTarget)
+    image.install("grund-system", skiftTarget)
+    image.install("grund-device", skiftTarget)
     image.install("hideo-shell", skiftTarget)
     image.install("skift-branding", skiftTarget)
     image.install("skift-wallpapers", skiftTarget)

src/impls/impl-posix/async.cpp

@@ -0,0 +1,30 @@
+#include <karm-async/async.h>
+#include <karm-sys/proc.h>
+
+namespace Karm::Async::_Embed {
+
+struct PosixLoop : public Loop {
+    TimeStamp _now;
+
+    PosixLoop(TimeStamp now) : _now(now) {}
+
+    TimeStamp now() override {
+        return _now;
+    }
+
+    Res<> wait(TimeStamp until) override {
+        try$(Sys::sleepUntil(until));
+        _now = Sys::now();
+        return Ok();
+    }
+};
+
+static Opt<PosixLoop> _loop;
+Loop &loop() {
+    if (not _loop) {
+        _loop.emplace(Sys::now());
+    }
+    return *_loop;
+}
+
+} // namespace Karm::Async::_Embed

src/impls/impl-skift/async.cpp

@@ -0,0 +1,5 @@
+#include <karm-async/_embed.h>
+
+namespace Karm::Async::_Embed {
+
+} // namespace Karm::Async::_Embed

src/kernel/hjert-core/entry.cpp

@@ -49,7 +49,7 @@ Res<> validateAndDump(u64 magic, Handover::Payload &payload) {
 }
 
 Res<> enterUserspace(Handover::Payload &payload) {
-    auto const *record = payload.fileByName("bundle://system-srv/_bin");
+    auto const *record = payload.fileByName("bundle://grund-system/_bin");
     if (not record) {
         logInfo("entry: handover: no init file");
         return Error::invalidInput("No init file");

src/libs/karm-async/_embed.h

@@ -0,0 +1,8 @@
+#pragma once
+
+namespace Karm::Async {
+struct Loop;
+namespace _Embed {
+Loop &loop();
+} // namespace _Embed
+} // namespace Karm::Async

src/libs/karm-async/async.cpp

@@ -0,0 +1,131 @@
+#include <karm-logger/logger.h>
+
+#include "async.h"
+
+namespace Karm::Async {
+
+/* --- Sink --- */
+
+void Loop::_post(Sink &sink, Box<Event> event) {
+    _queued.emplaceBack(sink, std::move(event));
+}
+
+void Loop::_move(Sink &from, Sink &to) {
+    logInfo("Moving sink from {p} to {p}", &from, &to);
+    for (auto &q : _queued) {
+        if (q.sink == &from) {
+            q.sink = &to;
+        }
+    }
+
+    for (auto &s : _sources) {
+        if (s.sink == &from) {
+            s.sink = &to;
+        }
+    }
+}
+
+void Loop::_dtor(Sink &sink) {
+    for (auto &q : _queued) {
+        if (q.sink == &sink)
+            q.sink = nullptr;
+    }
+
+    for (auto &s : _sources) {
+        if (s.sink == &sink)
+            s.sink = nullptr;
+    }
+}
+
+/* --- Source --- */
+
+void Loop::_bind(Source &source, Sink &sink) {
+    _sources.emplaceBack(source, sink);
+}
+
+void Loop::_move(Source &from, Source &to) {
+    for (auto &s : _sources) {
+        if (s.source == &from)
+            s.source = &to;
+    }
+}
+
+void Loop::_dtor(Source *source) {
+    for (auto &s : _sources) {
+        if (s.source == source)
+            s.source = nullptr;
+    }
+}
+
+/* --- Public --- */
+
+void Loop::_collect() {
+    for (usize i = 0; i < _sources.len(); i++) {
+        auto [source, sink] = _sources[i];
+        if (not source or not sink) {
+            _sources.removeAt(i--);
+        }
+    }
+}
+
+Res<TimeStamp> Loop::poll() {
+    TimeStamp until = TimeStamp::endOfTime();
+
+    for (usize i = 0; i < _sources.len(); i++) {
+        auto [source, sink] = _sources[i];
+        if (not source or not sink)
+            continue;
+
+        auto ts = try$(source->poll(*sink));
+
+        if (Op::lt(ts, until))
+            until = ts;
+    }
+
+    return Ok(until);
+}
+
+Res<usize> Loop::dispatch() {
+    usize count = 0;
+    for (usize i = 0; i < _queued.len(); i++) {
+        count++;
+        auto *target = _queued[i].sink;
+        auto event = std::move(_queued[i].event);
+
+        if (not target)
+            continue;
+
+        auto res = target->post(*event);
+        if (not res) {
+            _queued.removeRange(0, i);
+            return res.none();
+        }
+    }
+
+    _queued.clear();
+    return Ok(count);
+}
+
+Res<> Loop::run() {
+    while (true) {
+        debug(" --- Loop ---");
+        usize count = 0;
+        TimeStamp until = TimeStamp::endOfTime();
+
+        do {
+            until = try$(poll());
+            count = try$(dispatch());
+            _collect();
+        } while (count);
+
+        if (_sources.len() == 0)
+            return Ok();
+
+        if (_ret)
+            return *_ret;
+
+        try$(wait(until));
+    }
+}
+
+} // namespace Karm::Async