ArmPkg/CpuDxe: ZeroMem the gExceptionHandlers[] array

Prevent an IRQ (or any other exceptions) to make a call to an undefined handler when the interrupt handler has not been registered yet. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@11965 6f19259b-4bc3-4df7-8a09-765794883524
2011-07-01 20:02:14 +00:00 · 2011-07-01 20:02:14 +00:00 · 6e88239331
parent 3723a71a33
commit 6e88239331
1 changed files with 2 additions and 0 deletions
--- a/ArmPkg/Drivers/CpuDxe/Exception.c
+++ b/ArmPkg/Drivers/CpuDxe/Exception.c
@ -129,6 +129,8 @@ InitializeExceptions (
  UINT32               *VectorBase;

  Status = EFI_SUCCESS;
+  ZeroMem (gExceptionHandlers,sizeof(*gExceptionHandlers));
+
  //
  // Disable interrupts
  //