1 files changed, 84 insertions, 0 deletions
diff --git a/MdePkg/Include/Library/BaseLib.h b/MdePkg/Include/Library/BaseLib.h
index c1d1fa0900..e414e27399 100644
--- a/MdePkg/Include/Library/BaseLib.h
+++ b/MdePkg/Include/Library/BaseLib.h
@@ -5019,4 +5019,88 @@ AsmSwitchStackAndBackingStore (
   IN      VOID                      *NewBsp
   );
 
+typedef struct {
+  UINT64                            Status;
+  UINT64                            r9;
+  UINT64                            r10;
+  UINT64                            r11;
+} PAL_PROC_RETURN;
+
+//
+// IPF Specific functions
+//
+
+
+/**
+  Performs a PAL call using static calling convention.
+
+  An internal function to perform a PAL call using static calling convention.
+
+  @param  PalEntryPoint The entry point address of PAL. The address in ar.kr5
+                        would be used if this parameter were NULL on input.
+  @param  Arg1          The first argument of a PAL call.
+  @param  Arg1          The second argument of a PAL call.
+  @param  Arg1          The third argument of a PAL call.
+  @param  Arg1          The fourth argument of a PAL call.
+
+  @return The values returned in r8, r9, r10 and r11.
+
+**/
+PAL_PROC_RETURN
+PalCallStatic (
+  IN      CONST VOID                *PalEntryPoint,
+  IN      UINT64                    Arg1,
+  IN      UINT64                    Arg2,
+  IN      UINT64                    Arg3,
+  IN      UINT64                    Arg4
+  );
+
+
+/**
+  Returns the current value of ar.itc.
+
+  An internal function to return the current value of ar.itc, which is the
+  timer tick on IPF.
+
+  @return The currect value of ar.itc
+
+**/
+INT64
+IpfReadItc (
+  VOID
+  );
+
+
+/**
+  Invalidates a range of instruction cache lines in the cache coherency domain
+  of the calling CPU.
+
+  Invalidates the instruction cache lines specified by Address and Length. If
+  Address is not aligned on a cache line boundary, then entire instruction
+  cache line containing Address is invalidated. If Address + Length is not
+  aligned on a cache line boundary, then the entire instruction cache line
+  containing Address + Length -1 is invalidated. This function may choose to
+  invalidate the entire instruction cache if that is more efficient than
+  invalidating the specified range. If Length is 0, the no instruction cache
+  lines are invalidated. Address is returned.
+
+  If Length is greater than (MAX_ADDRESS - Address + 1), then ASSERT().
+
+  @param  Address The base address of the instruction cache lines to
+                  invalidate. If the CPU is in a physical addressing mode, then
+                  Address is a physical address. If the CPU is in a virtual
+                  addressing mode, then Address is a virtual address.
+
+  @param  Length  The number of bytes to invalidate from the instruction cache.
+
+  @return Address
+
+**/
+VOID *
+EFIAPI
+IpfInvalidateInstructionCacheRange (
+  IN      VOID                      *Address,
+  IN      UINTN                     Length
+  );
+
 #endif