feat: split syscalls into files, change max process ceiling

2026-02-22 17:23:35 +01:00
parent a001fa513d
commit 1568378d04
22 changed files with 1181 additions and 872 deletions
@@ -0,0 +1,63 @@
+/*
+    * Keyboard.hpp
+    * SYS_ISKEYAVAILABLE, SYS_GETKEY, SYS_GETCHAR syscalls
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#pragma once
+#include <Sched/Scheduler.hpp>
+#include <Drivers/PS2/Keyboard.hpp>
+
+#include "Common.hpp"
+
+namespace Zenith {
+    static bool Sys_IsKeyAvailable() {
+        auto* proc = Sched::GetCurrentProcessPtr();
+        if (proc && proc->redirected) {
+            auto* target = GetRedirTarget(proc);
+            if (target) return target->keyHead != target->keyTail;
+        }
+        return Drivers::PS2::Keyboard::IsKeyAvailable();
+    }
+
+    static void Sys_GetKey(KeyEvent* outEvent) {
+        if (outEvent == nullptr) return;
+        auto* proc = Sched::GetCurrentProcessPtr();
+        if (proc && proc->redirected) {
+            auto* target = GetRedirTarget(proc);
+            if (target) {
+                // Wait for key in target's keyBuf ring
+                while (target->keyHead == target->keyTail) {
+                    Sched::Schedule();
+                }
+                *outEvent = target->keyBuf[target->keyTail];
+                target->keyTail = (target->keyTail + 1) % 64;
+                return;
+            }
+        }
+        auto k = Drivers::PS2::Keyboard::GetKey();
+        outEvent->scancode = k.Scancode;
+        outEvent->ascii    = k.Ascii;
+        outEvent->pressed  = k.Pressed;
+        outEvent->shift    = k.Shift;
+        outEvent->ctrl     = k.Ctrl;
+        outEvent->alt      = k.Alt;
+    }
+
+    static char Sys_GetChar() {
+        auto* proc = Sched::GetCurrentProcessPtr();
+        if (proc && proc->redirected) {
+            auto* target = GetRedirTarget(proc);
+            if (target && target->inBuf) {
+                // Wait for data in target's inBuf ring
+                while (target->inTail == target->inHead) {
+                    Sched::Schedule(); // yield until parent writes
+                }
+                uint8_t c = target->inBuf[target->inTail];
+                target->inTail = (target->inTail + 1) % Sched::Process::IoBufSize;
+                return (char)c;
+            }
+        }
+        return Drivers::PS2::Keyboard::GetChar();
+    }
+};