kernel: lots of tweaks and improvements, WIP: ASN, FileMgr support for OpenHeFS.

Signed-off-by: Amlal El Mahrouss <amlal@nekernel.org>

1 files changed, 33 insertions, 0 deletions

diff --git a/src/kernel/HALKit/ARM64/APM/APM+IO.cpp b/src/kernel/HALKit/ARM64/APM/APM+IO.cpp
new file mode 100644
index 00000000..91b8255e
--- /dev/null
+++ b/src/kernel/HALKit/ARM64/APM/APM+IO.cpp
@@ -0,0 +1,33 @@
+// Copyright 2024-2025, Amlal El Mahrouss (amlal@nekernel.org)
+// Licensed under the Apache License, Version 2.0 (see LICENSE file)
+// Official repository: https://github.com/nekernel-org/nekernel
+
+#include <KernelKit/KPC.h>
+#include <modules/APM/APM.h>
+
+using namespace Kernel;
+
+/// @brief Send APM command to its IO space.
+/// @param base_dma the IO base port.
+/// @param cmd the command.
+/// @return status code.
+EXTERN_C Int32 apm_send_io_command(UInt16 cmd) {
+  switch (cmd) {
+    case kAPMPowerCommandReboot: {
+      asm volatile(
+          "ldr x0, =0x84000004\n"
+          "svc #0\n");
+
+      return kErrorSuccess;
+    }
+    case kAPMPowerCommandShutdown: {
+      asm volatile(
+          "ldr x0, =0x84000008\n"
+          "svc #0\n");
+
+      return kErrorSuccess;
+    }
+    default:
+      return kErrorInvalidData;
+  }
+}