feat: further kernel power and power optimizations

kernel/src/Api/Info.hpp

@@ -22,7 +22,7 @@ namespace Montauk {
         for (int i = 0; ver[i]; i++) outInfo->osVersion[i] = ver[i];
         outInfo->osVersion[5] = '\0';
 
-        outInfo->apiVersion = 2;
+        outInfo->apiVersion = 3;
         outInfo->maxProcesses = Sched::MaxProcesses;
     }
 };

kernel/src/Api/Input.hpp

@@ -0,0 +1,16 @@
+/*
+    * Input.hpp
+    * SYS_INPUT_WAIT syscall
+    * Copyright (c) 2026 Daniel Hammer
+*/
+
+#pragma once
+#include <Drivers/Input/InputEvents.hpp>
+
+namespace Montauk {
+
+    static uint64_t Sys_InputWait(uint64_t observedSerial, uint64_t timeoutMs) {
+        return Drivers::InputEvents::WaitForChange(observedSerial, timeoutMs);
+    }
+
+}

kernel/src/Api/Syscall.cpp

@@ -28,6 +28,7 @@
 #include "Random.hpp"     // SYS_GETRANDOM
 #include "MemInfo.hpp"    // SYS_MEMSTATS
 #include "Device.hpp"     // SYS_DEVLIST, SYS_DISKINFO
+#include "Input.hpp"      // SYS_INPUT_WAIT
 #include "Storage.hpp"    // SYS_PARTLIST, SYS_DISKREAD, SYS_DISKWRITE
 #include "Window.hpp"     // SYS_WINCREATE, SYS_WINDESTROY, SYS_WINPRESENT, SYS_WINPOLL, SYS_WINENUM, SYS_WINMAP, SYS_WINSENDEVENT, SYS_WINRESIZE, SYS_WINSETSCALE, SYS_WINGETSCALE
 #include "Audio.hpp"      // SYS_AUDIOOPEN, SYS_AUDIOCLOSE, SYS_AUDIOWRITE, SYS_AUDIOCTL
@@ -439,6 +440,8 @@ namespace Montauk {
                                            UserMemory::IsUserPtr(frame->arg4) ? (uint64_t*)frame->arg4 : nullptr);
             case SYS_CLIPBOARD_CLEAR:
                 return Sys_ClipboardClear();
+            case SYS_INPUT_WAIT:
+                return (int64_t)Sys_InputWait(frame->arg1, frame->arg2);
             default:
                 return -1;
         }
@@ -465,7 +468,7 @@ namespace Montauk {
         Hal::WriteMSR(Hal::IA32_FMASK, 0x200);
 
         Kt::KernelLogStream(Kt::OK, "Syscall") << "SYSCALL/SYSRET initialized (LSTAR="
-            << kcp::hex << (uint64_t)SyscallEntry << kcp::dec << ", 64 syscalls)";
+            << kcp::hex << (uint64_t)SyscallEntry << kcp::dec << ", 124 syscall slots)";
     }
 
 }

kernel/src/Api/Syscall.hpp

@@ -219,6 +219,9 @@ namespace Montauk {
     static constexpr uint64_t SYS_CLIPBOARD_GET_TEXT = 121;
     static constexpr uint64_t SYS_CLIPBOARD_CLEAR    = 122;
 
+    /* Input.hpp */
+    static constexpr uint64_t SYS_INPUT_WAIT          = 123;
+
     static constexpr uint32_t CLIPBOARD_MAX_TEXT_BYTES = 256 * 1024;
 
     static constexpr uint32_t IPC_SIGNAL_READABLE   = 1u << 0;