Kernel: Print failed attempt to shutdown the machine

Because we don't parse ACPI AML yet, If we are not able to shut down
the machine with "hacky" emulation methods - halt and print this state
to the users so they know they can shutdown the machine by themselves.

1 files changed, 4 insertions, 2 deletions

diff --git a/Kernel/Syscalls/shutdown.cpp b/Kernel/Syscalls/shutdown.cpp
index 8a666b5249..22338483a6 100644
--- a/Kernel/Syscalls/shutdown.cpp
+++ b/Kernel/Syscalls/shutdown.cpp
@@ -8,6 +8,7 @@
 #include <Kernel/FileSystem/FileSystem.h>
 #include <Kernel/IO.h>
 #include <Kernel/Process.h>
+#include <Kernel/TTY/ConsoleManagement.h>
 
 namespace Kernel {
 
@@ -37,6 +38,7 @@ KResultOr<int> Process::sys$halt()
         return EPERM;
 
     REQUIRE_NO_PROMISES;
+    ConsoleManagement::the().switch_to_debug();
 
     dbgln("acquiring FS locks...");
     FS::lock_all();
@@ -50,8 +52,8 @@ KResultOr<int> Process::sys$halt()
     // VirtualBox shutdown failed. Try Bochs/Old QEMU shutdown.
     IO::out16(0xb004, 0x2000);
     dbgln("shutdown attempts failed, applications will stop responding.");
-
-    return 0;
+    dmesgln("Shutdown can't be completed. It's safe to turn off the computer!");
+    Processor::halt();
 }
 
 }