[PATCH] UefiCpuPkg/SecMain: Add NORETURN decorator to SecStartup().

["Marvin Häuser" <Marvin.Haeuser@outlook.com>]

The function SecStartup() is not supposed to return. Hence, add the
NORETURN decorator.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Marvin Haeuser <Marvin.Haeuser@outlook.com>
---
 UefiCpuPkg/SecCore/SecMain.c | 6 ++++++
 UefiCpuPkg/SecCore/SecMain.h | 1 +
 2 files changed, 7 insertions(+)

diff --git a/UefiCpuPkg/SecCore/SecMain.c b/UefiCpuPkg/SecCore/SecMain.c
index c241d3704af7..6f9db0584ce1 100644
--- a/UefiCpuPkg/SecCore/SecMain.c
+++ b/UefiCpuPkg/SecCore/SecMain.c
@@ -113,6 +113,7 @@ SecPerformancePpiCallBack (
   @param BootFirmwareVolume  Base address of the Boot Firmware Volume.
 **/
 VOID
+NORETURN
 EFIAPI
 SecStartup (
   IN UINT32                   SizeOfRam,
@@ -201,6 +202,11 @@ SecStartup (
   // Initialize Debug Agent to support source level debug in SEC/PEI phases before memory ready.
   //
   InitializeDebugAgent (DEBUG_AGENT_INIT_PREMEM_SEC, &SecCoreData, SecStartupPhase2);
+
+  //
+  // Should not come here.
+  //
+  UNREACHABLE ();
 }
 
 /**
diff --git a/UefiCpuPkg/SecCore/SecMain.h b/UefiCpuPkg/SecCore/SecMain.h
index 46c7d41c6e3e..42a5718cfdd5 100644
--- a/UefiCpuPkg/SecCore/SecMain.h
+++ b/UefiCpuPkg/SecCore/SecMain.h
@@ -76,6 +76,7 @@ SecTemporaryRamDone (
   @param BootFirmwareVolume  Base address of the Boot Firmware Volume.
 **/
 VOID
+NORETURN
 EFIAPI
 SecStartup (
   IN UINT32                   SizeOfRam,
-- 
2.16.0.windows.2