diff options
| author | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-11 08:38:20 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-12-11 08:38:20 +0000 |
| commit | c84507ab5229c462806187b090ba6249540c9070 (patch) | |
| tree | 7667d4af2c9b069362001fefebb5750f39b0a0f0 /MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h | |
| parent | 89df7f9df7551a7f32566aaf9aeaf22d0eae0864 (diff) | |
| download | edk2-platforms-c84507ab5229c462806187b090ba6249540c9070.tar.xz | |
code scrub for DebugSpport Module.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6997 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h')
| -rw-r--r-- | MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h | 91 |
1 files changed, 87 insertions, 4 deletions
diff --git a/MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h b/MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h index f8f5532de7..e1e34a449c 100644 --- a/MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h +++ b/MdeModulePkg/Universal/DebugSupportDxe/Ipf/PlDebugSupport.h @@ -15,7 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #ifndef _PLDEBUG_SUPPORT_H_
#define _PLDEBUG_SUPPORT_H_
-
#include <Uefi.h>
#include <Protocol/DebugSupport.h>
@@ -29,11 +28,13 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. #define DISABLE_INTERRUPTS 0UL
-//
-// The remaining definitions comprise the protocol members.
-//
#define EFI_ISA IsaIpf
+typedef struct {
+ UINT64 low;
+ UINT64 high;
+} BUNDLE;
+
/**
IPF specific DebugSupport driver initialization.
@@ -217,4 +218,86 @@ CommonHandler ( IN EFI_SYSTEM_CONTEXT Context
);
+/**
+ This is the worker function that uninstalls and removes all handlers.
+
+ @param ExceptionType Exception Type
+ @param NewBundles New Boundles
+ @param NewCallback New Callback
+
+ @retval EFI_ALEADY_STARTED Ivt already hooked.
+ @retval others Indicates the request was not satisfied.
+ @retval EFI_SUCCESS Successfully uninstalled.
+
+**/
+EFI_STATUS
+ManageIvtEntryTable (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN BUNDLE NewBundles[4],
+ IN VOID (*NewCallback) ()
+ );
+
+/**
+ Saves original IVT contents and inserts a few new bundles which are fixed up
+ to store the ExceptionType and then call the common handler.
+
+ @param ExceptionType Exception Type
+ @param NewBundles New Boundles
+ @param NewCallback New Callback
+
+**/
+VOID
+HookEntry (
+ IN EFI_EXCEPTION_TYPE ExceptionType,
+ IN BUNDLE NewBundles[4],
+ IN VOID (*NewCallback) ()
+ );
+
+/**
+ Restores original IVT contents when unregistering a callback function.
+
+ @param ExceptionType Exception Type
+
+**/
+VOID
+UnhookEntry (
+ IN EFI_EXCEPTION_TYPE ExceptionType
+ );
+
+/**
+ Sets up cache flush and calls assembly function to chain external interrupt.
+
+ Records new callback in IvtEntryTable.
+
+ @param NewCallback New Callback.
+
+**/
+VOID
+ChainExternalInterrupt (
+ IN VOID (*NewCallback) ()
+ );
+
+/**
+ Sets up cache flush and calls assembly function to restore external interrupt.
+ Removes registered callback from IvtEntryTable.
+
+**/
+VOID
+UnchainExternalInterrupt (
+ VOID
+ );
+
+/**
+ Given an integer number, return the physical address of the entry point in the IFT.
+
+ @param HandlerIndex Index of the Handler
+ @param EntryPoint IFT Entrypoint
+
+**/
+VOID
+GetHandlerEntryPoint (
+ UINTN HandlerIndex,
+ VOID **EntryPoint
+ );
+
#endif
|