X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OldMdePkg%2FLibrary%2FBaseLib%2FIpf%2Flongjmp.s;fp=OldMdePkg%2FLibrary%2FBaseLib%2FIpf%2Flongjmp.s;h=20a0df10f72ca0caa3e7411ce4063df954b4802b;hp=0000000000000000000000000000000000000000;hb=586cd1f1f4129ab7ec24543d4968801e17cc870b;hpb=144d783d40c8a02113350feabd1b9a55b692313f

diff --git a/OldMdePkg/Library/BaseLib/Ipf/longjmp.s b/OldMdePkg/Library/BaseLib/Ipf/longjmp.s
new file mode 100644
index 0000000000..20a0df10f7
--- /dev/null
+++ b/OldMdePkg/Library/BaseLib/Ipf/longjmp.s
@@ -0,0 +1,121 @@
+/// @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
+
+.proc   InternalLongJump
+.type   InternalLongJump, @function
+.regstk 2, 0, 0, 0
+InternalLongJump::
+        add                 r10 = 0x10*20 + 8*14, in0
+        movl                r2  = ~((((1 << 14) - 1) << 16) | 3)
+
+        ld8.nt1             r14 = [r10], -8*2       // BSP, skip PFS
+        mov                 r15 = ar.bspstore       // BSPSTORE
+
+        ld8.nt1             r17 = [r10], -8         // UNAT after spill
+        mov                 r16 = ar.rsc            // RSC
+        cmp.leu             p6  = r14, r15
+
+        ld8.nt1             r18 = [r10], -8         // UNAT
+        ld8.nt1             r25 = [r10], -8         // b5
+        and                 r2  = r16, r2
+
+        ldf.fill.nt1        f2  = [in0], 0x10
+        ld8.nt1             r24 = [r10], -8         // b4
+        mov                 b5  = r25
+
+        mov                 ar.rsc = r2
+        ld8.nt1             r23 = [r10], -8         // b3
+        mov                 b4  = r24
+
+        ldf.fill.nt1        f3  = [in0], 0x10
+        mov                 ar.unat = r17
+(p6)    br.spnt.many        _skip_flushrs
+
+        flushrs
+        mov                 r15 = ar.bsp            // New BSPSTORE
+
+_skip_flushrs:
+        mov                 r31 = ar.rnat           // RNAT
+        loadrs
+
+        ldf.fill.nt1        f4  = [in0], 0x10
+        ld8.nt1             r22 = [r10], -8
+        dep                 r2  = -1, r14, 3, 6
+
+        ldf.fill.nt1        f5  = [in0], 0x10
+        ld8.nt1             r21 = [r10], -8
+        cmp.ltu             p6  = r2, r15
+
+        ld8.nt1             r20 = [r10], -0x10      // skip sp
+(p6)    ld8.nta             r31 = [r2]
+        mov                 b3  = r23
+
+        ldf.fill.nt1        f16 = [in0], 0x10
+        ld8.fill.nt1        r7  = [r10], -8
+        mov                 b2  = r22
+
+        ldf.fill.nt1        f17 = [in0], 0x10
+        ld8.fill.nt1        r6  = [r10], -8
+        mov                 b1  = r21
+
+        ldf.fill.nt1        f18 = [in0], 0x10
+        ld8.fill.nt1        r5  = [r10], -8
+        mov                 b0  = r20
+
+        ldf.fill.nt1        f19 = [in0], 0x10
+        ld8.fill.nt1        r4  = [r10], 8*13
+
+        ldf.fill.nt1        f20 = [in0], 0x10
+        ld8.nt1             r19 = [r10], 0x10       // PFS
+
+        ldf.fill.nt1        f21 = [in0], 0x10
+        ld8.nt1             r26 = [r10], 8          // Predicate
+        mov                 ar.pfs = r19
+
+        ldf.fill.nt1        f22 = [in0], 0x10
+        ld8.nt1             r27 = [r10], 8          // LC
+        mov                 pr  = r26, -1
+
+        ldf.fill.nt1        f23 = [in0], 0x10
+        ld8.nt1             r28 = [r10], -17*8 - 0x10
+        mov                 ar.lc = r27
+
+        ldf.fill.nt1        f24 = [in0], 0x10
+        ldf.fill.nt1        f25 = [in0], 0x10
+        mov                 r8  = in1
+
+        ldf.fill.nt1        f26 = [in0], 0x10
+        ldf.fill.nt1        f31 = [r10], -0x10
+
+        ldf.fill.nt1        f27 = [in0], 0x10
+        ldf.fill.nt1        f30 = [r10], -0x10
+
+        ldf.fill.nt1        f28 = [in0]
+        ldf.fill.nt1        f29 = [r10], 0x10*3 + 8*4
+
+        ld8.fill.nt1        sp  = [r10]
+        mov                 ar.unat = r18
+
+        mov                 ar.bspstore = r14
+        mov                 ar.rnat = r31
+
+        invala
+        mov                 ar.rsc = r16
+        br.ret.sptk         b0
+.endp