1 files changed, 11 insertions, 4 deletions
diff --git a/roms/seabios/src/apm.c b/roms/seabios/src/apm.c
index 8daf9583b..fd71a01ef 100644
--- a/roms/seabios/src/apm.c
+++ b/roms/seabios/src/apm.c
@@ -6,16 +6,19 @@
 //
 // This file may be distributed under the terms of the GNU LGPLv3 license.
 
+#include "biosvar.h" // GET_GLOBAL
 #include "bregs.h" // struct bregs
-#include "ioport.h" // outb
-#include "util.h" // dprintf
 #include "config.h" // CONFIG_*
-#include "biosvar.h" // GET_GLOBAL
+#include "fw/paravirt.h" // runningOnQEMU
+#include "output.h" // dprintf
+#include "stacks.h" // yield_toirq
+#include "util.h" // apm_shutdown
+#include "x86.h" // outb
 
 static void
 out_str(const char *str_cs)
 {
-    if (CONFIG_COREBOOT) {
+    if (!runningOnQEMU()) {
         dprintf(1, "APM request '%s'\n", str_cs);
         return;
     }
@@ -107,7 +110,11 @@ handle_155306(struct bregs *regs)
 void
 apm_shutdown(void)
 {
+    u16 pm1a_cnt = GET_GLOBAL(acpi_pm1a_cnt);
+
     irq_disable();
+    if (pm1a_cnt)
+        outw(0x2000, pm1a_cnt);
     out_str("Shutdown");
     for (;;)
         hlt();