EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseLib/Ipf/longjmp.s

   1 /// Copyright (c) 2004, Intel Corporation. All rights reserved.<BR>
   2 /// This program and the accompanying materials
   3 /// are licensed and made available under the terms and conditions of the BSD License
   4 /// which accompanies this distribution.  The full text of the license may be found at
   5 /// http://opensource.org/licenses/bsd-license.php
   6 ///
   7 /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
   8 /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
   9 ///
  10 /// Module Name:
  11 ///
  12 ///   longjmp.s
  13 ///
  14 /// Abstract:
  15 ///
  16 ///
  17
  18 .auto
  19 .text
  20
  21 .proc   InternalLongJump
  22 .type   InternalLongJump, @function
  23 .regstk 2, 0, 0, 0
  24 InternalLongJump::
  25         add                 r10 = 0x10*20 + 8*14, in0
  26         movl                r2  = ~((((1 << 14) - 1) << 16) | 3)
  27
  28         ld8.nt1             r14 = [r10], -8*2       // BSP, skip PFS
  29         mov                 r15 = ar.bspstore       // BSPSTORE
  30
  31         ld8.nt1             r17 = [r10], -8         // UNAT after spill
  32         mov                 r16 = ar.rsc            // RSC
  33         cmp.leu             p6  = r14, r15
  34
  35         ld8.nt1             r18 = [r10], -8         // UNAT
  36         ld8.nt1             r25 = [r10], -8         // b5
  37         and                 r2  = r16, r2
  38
  39         ldf.fill.nt1        f2  = [in0], 0x10
  40         ld8.nt1             r24 = [r10], -8         // b4
  41         mov                 b5  = r25
  42
  43         mov                 ar.rsc = r2
  44         ld8.nt1             r23 = [r10], -8         // b3
  45         mov                 b4  = r24
  46
  47         ldf.fill.nt1        f3  = [in0], 0x10
  48         mov                 ar.unat = r17
  49 (p6)    br.spnt.many        _skip_flushrs
  50
  51         flushrs
  52         mov                 r15 = ar.bsp            // New BSPSTORE
  53
  54 _skip_flushrs:
  55         mov                 r31 = ar.rnat           // RNAT
  56         loadrs
  57
  58         ldf.fill.nt1        f4  = [in0], 0x10
  59         ld8.nt1             r22 = [r10], -8
  60         dep                 r2  = -1, r14, 3, 6
  61
  62         ldf.fill.nt1        f5  = [in0], 0x10
  63         ld8.nt1             r21 = [r10], -8
  64         cmp.ltu             p6  = r2, r15
  65
  66         ld8.nt1             r20 = [r10], -0x10      // skip sp
  67 (p6)    ld8.nta             r31 = [r2]
  68         mov                 b3  = r23
  69
  70         ldf.fill.nt1        f16 = [in0], 0x10
  71         ld8.fill.nt1        r7  = [r10], -8
  72         mov                 b2  = r22
  73
  74         ldf.fill.nt1        f17 = [in0], 0x10
  75         ld8.fill.nt1        r6  = [r10], -8
  76         mov                 b1  = r21
  77
  78         ldf.fill.nt1        f18 = [in0], 0x10
  79         ld8.fill.nt1        r5  = [r10], -8
  80         mov                 b0  = r20
  81
  82         ldf.fill.nt1        f19 = [in0], 0x10
  83         ld8.fill.nt1        r4  = [r10], 8*13
  84
  85         ldf.fill.nt1        f20 = [in0], 0x10
  86         ld8.nt1             r19 = [r10], 0x10       // PFS
  87
  88         ldf.fill.nt1        f21 = [in0], 0x10
  89         ld8.nt1             r26 = [r10], 8          // Predicate
  90         mov                 ar.pfs = r19
  91
  92         ldf.fill.nt1        f22 = [in0], 0x10
  93         ld8.nt1             r27 = [r10], 8          // LC
  94         mov                 pr  = r26, -1
  95
  96         ldf.fill.nt1        f23 = [in0], 0x10
  97         ld8.nt1             r28 = [r10], -17*8 - 0x10
  98         mov                 ar.lc = r27
  99
 100         ldf.fill.nt1        f24 = [in0], 0x10
 101         ldf.fill.nt1        f25 = [in0], 0x10
 102         mov                 r8  = in1
 103
 104         ldf.fill.nt1        f26 = [in0], 0x10
 105         ldf.fill.nt1        f31 = [r10], -0x10
 106
 107         ldf.fill.nt1        f27 = [in0], 0x10
 108         ldf.fill.nt1        f30 = [r10], -0x10
 109
 110         ldf.fill.nt1        f28 = [in0]
 111         ldf.fill.nt1        f29 = [r10], 0x10*3 + 8*4
 112
 113         ld8.fill.nt1        sp  = [r10]
 114         mov                 ar.unat = r18
 115
 116         mov                 ar.bspstore = r14
 117         mov                 ar.rnat = r31
 118
 119         invala
 120         mov                 ar.rsc = r16
 121         br.ret.sptk         b0
 122 .endp