1 files changed, 108 insertions, 0 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/SetJmp.s b/MdePkg/Library/BaseLib/Ipf/SetJmp.s
new file mode 100644
index 0000000000..e2b346ee72
--- /dev/null
+++ b/MdePkg/Library/BaseLib/Ipf/SetJmp.s
@@ -0,0 +1,108 @@
+/// @file
+///  Contains an implementation of longjmp for the Itanium-based architecture.
+///
+/// Copyright (c) 2006, Intel Corporation
+/// All rights reserved. This program and the accompanying materials
+/// are licensed and made available under the terms and conditions of the BSD License
+/// which accompanies this distribution.  The full text of the license may be found at
+/// http://opensource.org/licenses/bsd-license.php
+///
+/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+///
+/// Module Name: longjmp.s
+///
+///
+
+.auto
+.text
+
+.globl InternalAssertJumpBuffer
+.type   InternalAssertJumpBuffer, @function
+
+.proc   SetJump
+.type   SetJump, @function
+SetJump::
+        alloc               loc0 = ar.pfs, 1, 2, 1, 0
+        mov                 loc1 = b0
+        mov                 out0 = in0
+
+        brl.call.sptk.many  b0  = InternalAssertJumpBuffer
+
+        mov                 r14 = ar.unat
+        mov                 r15 = ar.bsp
+        add                 r10 = 0x10*20, in0
+
+        stf.spill.nta       [in0] = f2, 0x10
+        st8.spill.nta       [r10] = r4, 8
+        mov                 r21 = b1
+
+        stf.spill.nta       [in0] = f3, 0x10
+        st8.spill.nta       [r10] = r5, 8
+        mov                 r22 = b2
+
+        stf.spill.nta       [in0] = f4, 0x10
+        st8.spill.nta       [r10] = r6, 8
+        mov                 r23 = b3
+
+        stf.spill.nta       [in0] = f5, 0x10
+        st8.spill.nta       [r10] = r7, 8
+        mov                 r24 = b4
+
+        stf.spill.nta       [in0] = f16, 0x10
+        st8.spill.nta       [r10] = sp, 8
+        mov                 r25 = b5
+
+        stf.spill.nta       [in0] = f17, 0x10
+        st8.nta             [r10] = loc1, 8
+        mov                 r16 = pr
+
+        stf.spill.nta       [in0] = f18, 0x10
+        st8.nta             [r10] = r21, 8
+        mov                 r17 = ar.lc
+
+        stf.spill.nta       [in0] = f19, 0x10
+        st8.nta             [r10] = r22, 8
+
+        stf.spill.nta       [in0] = f20, 0x10
+        st8.nta             [r10] = r23, 8
+
+        stf.spill.nta       [in0] = f21, 0x10
+        st8.nta             [r10] = r24, 8
+
+        stf.spill.nta       [in0] = f22, 0x10
+        st8.nta             [r10] = r25, 8
+
+        stf.spill.nta       [in0] = f23, 0x10
+        mov                 r18 = ar.unat
+
+        stf.spill.nta       [in0] = f24, 0x10
+        st8.nta             [r10] = r14, 8          // UNAT
+
+        stf.spill.nta       [in0] = f25, 0x10
+        st8.nta             [r10] = r18, 8          // UNAT after spill
+
+        stf.spill.nta       [in0] = f26, 0x10
+        st8.nta             [r10] = loc0, 8         // PFS
+
+        stf.spill.nta       [in0] = f27, 0x10
+        st8.nta             [r10] = r15, 8          // BSP
+        mov                 r8  = 0
+
+        stf.spill.nta       [in0] = f28, 0x10
+        mov                 r19 = ar.fpsr
+
+        stf.spill.nta       [in0] = f29, 0x10
+        st8.nta             [r10] = r16, 8          // PR
+        mov                 ar.pfs = loc0
+
+        stf.spill.nta       [in0] = f30, 0x10
+        st8.nta             [r10] = r17, 8          // LC
+        mov                 b0  = loc1
+
+        stf.spill.nta       [in0] = f31, 0x10
+        st8.nta             [r10] = r19             // FPSR
+
+        mov                 ar.unat = r14
+        br.ret.sptk         b0
+.endp   SetJump