diff options
| author | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-16 03:39:10 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2012-08-16 03:39:10 +0000 |
| commit | 54e27ada3e63b559e2e18c44d3cb8c69a5f5a561 (patch) | |
| tree | da57dd7b2d08838a70b3d2505a3e3d94785dbd66 | |
| parent | b8a605d0a903212a620e0f26f120130e14cf4ce0 (diff) | |
| download | edk2-platforms-54e27ada3e63b559e2e18c44d3cb8c69a5f5a561.tar.xz | |
Add missing function comments
signed-off-by: jiewen.yao@intel.com
reviewed-by: eric.dong@intel.com
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@13639 6f19259b-4bc3-4df7-8a09-765794883524
| -rw-r--r-- | MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c index db11697e7c..8c34993587 100644 --- a/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c +++ b/MdeModulePkg/Universal/Acpi/BootScriptExecutorDxe/X64/SetIdtEntry.c @@ -43,12 +43,22 @@ BOOLEAN mPage1GSupport; VOID *mOriginalHandler;
UINTN mS3NvsPageTableAddress;
+/**
+ Page fault handler.
+
+**/
VOID
EFIAPI
PageFaultHandlerHook (
VOID
);
+/**
+ Hook IDT with our page fault handler so that the on-demand paging works on page fault.
+
+ @param IdtEntry a pointer to IDT entry
+
+**/
VOID
HookPageFaultHandler (
IN INTERRUPT_GATE_DESCRIPTOR *IdtEntry
@@ -135,6 +145,13 @@ SetIdtEntry ( AsmWriteIdtr (IdtDescriptor);
}
+/**
+ Get new page address.
+
+ @param PageNum new page number needed
+
+ @return new page address
+**/
UINTN
GetNewPage (
IN UINTN PageNum
@@ -147,6 +164,13 @@ GetNewPage ( return NewPage;
}
+/**
+ The page fault handler that on-demand read >4G memory/MMIO.
+
+ @retval TRUE The page fault is correctly handled.
+ @retval FALSE The page fault is not handled and is passed through to original handler.
+
+**/
BOOLEAN
EFIAPI
PageFaultHandler (
|