feat: Massive OS expansion with IPC, Sound & TTS, Block layer, FAT32/ext2/sysfs, Signals, Syscalls, Modules, Drivers & 50+ LazyBox applets

drivers/power/acpi.c

@@ -0,0 +1,23 @@
+#include <drivers/acpi.h>
+#include <arch/x86_64/io.h>
+#include <arch/x86_64/pit.h>
+#include <kernel/printk.h>
+
+void acpi_init(void) {
+    printk(KERN_INFO "ACPI: Advanced Configuration & Power Interface subsystem initialized\n");
+}
+
+void acpi_poweroff(void) {
+    printk(KERN_INFO "ACPI: Entering S5 Soft-Off State...\n");
+    pit_sleep(100);
+    outw(0x604, 0x2000);  // QEMU Poweroff
+    outw(0xB004, 0x2000); // Bochs Poweroff
+    outw(0x4004, 0x3400); // VirtualBox Poweroff
+}
+
+void acpi_reboot(void) {
+    printk(KERN_INFO "ACPI: Triggering system reset...\n");
+    pit_sleep(100);
+    outb(0x64, 0xFE); // 8042 Keyboard controller pulse
+    outb(0xCF9, 0x06); // PCI reset
+}