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f1baef62 | 1 | /// @file\r |
2 | /// Contains an implementation of longjmp for the Itanium-based architecture.\r | |
3 | ///\r | |
bb817c56 HT |
4 | /// Copyright (c) 2006 - 2008, Intel Corporation. All rights reserved.<BR>\r |
5 | /// This program and the accompanying materials\r | |
f1baef62 | 6 | /// are licensed and made available under the terms and conditions of the BSD License\r |
7 | /// which accompanies this distribution. The full text of the license may be found at\r | |
8 | /// http://opensource.org/licenses/bsd-license.php\r | |
9 | ///\r | |
10 | /// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
11 | /// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
12 | ///\r | |
13 | /// Module Name: longjmp.s\r | |
14 | ///\r | |
15 | ///\r | |
16 | \r | |
17 | .auto\r | |
18 | .text\r | |
19 | \r | |
20 | .proc InternalLongJump\r | |
21 | .type InternalLongJump, @function\r | |
22 | .regstk 2, 0, 0, 0\r | |
23 | InternalLongJump::\r | |
24 | add r10 = 0x10*20 + 8*14, in0\r | |
25 | movl r2 = ~((((1 << 14) - 1) << 16) | 3)\r | |
26 | \r | |
27 | ld8.nt1 r14 = [r10], -8*2 // BSP, skip PFS\r | |
28 | mov r15 = ar.bspstore // BSPSTORE\r | |
29 | \r | |
30 | ld8.nt1 r17 = [r10], -8 // UNAT after spill\r | |
31 | mov r16 = ar.rsc // RSC\r | |
32 | cmp.leu p6 = r14, r15\r | |
33 | \r | |
34 | ld8.nt1 r18 = [r10], -8 // UNAT\r | |
35 | ld8.nt1 r25 = [r10], -8 // b5\r | |
36 | and r2 = r16, r2\r | |
37 | \r | |
38 | ldf.fill.nt1 f2 = [in0], 0x10\r | |
39 | ld8.nt1 r24 = [r10], -8 // b4\r | |
40 | mov b5 = r25\r | |
41 | \r | |
42 | mov ar.rsc = r2\r | |
43 | ld8.nt1 r23 = [r10], -8 // b3\r | |
44 | mov b4 = r24\r | |
45 | \r | |
46 | ldf.fill.nt1 f3 = [in0], 0x10\r | |
47 | mov ar.unat = r17\r | |
48 | (p6) br.spnt.many _skip_flushrs\r | |
49 | \r | |
50 | flushrs\r | |
51 | mov r15 = ar.bsp // New BSPSTORE\r | |
52 | \r | |
53 | _skip_flushrs:\r | |
54 | mov r31 = ar.rnat // RNAT\r | |
55 | loadrs\r | |
56 | \r | |
57 | ldf.fill.nt1 f4 = [in0], 0x10\r | |
58 | ld8.nt1 r22 = [r10], -8\r | |
59 | dep r2 = -1, r14, 3, 6\r | |
60 | \r | |
61 | ldf.fill.nt1 f5 = [in0], 0x10\r | |
62 | ld8.nt1 r21 = [r10], -8\r | |
63 | cmp.ltu p6 = r2, r15\r | |
64 | \r | |
65 | ld8.nt1 r20 = [r10], -0x10 // skip sp\r | |
66 | (p6) ld8.nta r31 = [r2]\r | |
67 | mov b3 = r23\r | |
68 | \r | |
69 | ldf.fill.nt1 f16 = [in0], 0x10\r | |
70 | ld8.fill.nt1 r7 = [r10], -8\r | |
71 | mov b2 = r22\r | |
72 | \r | |
73 | ldf.fill.nt1 f17 = [in0], 0x10\r | |
74 | ld8.fill.nt1 r6 = [r10], -8\r | |
75 | mov b1 = r21\r | |
76 | \r | |
77 | ldf.fill.nt1 f18 = [in0], 0x10\r | |
78 | ld8.fill.nt1 r5 = [r10], -8\r | |
79 | mov b0 = r20\r | |
80 | \r | |
81 | ldf.fill.nt1 f19 = [in0], 0x10\r | |
82 | ld8.fill.nt1 r4 = [r10], 8*13\r | |
83 | \r | |
84 | ldf.fill.nt1 f20 = [in0], 0x10\r | |
85 | ld8.nt1 r19 = [r10], 0x10 // PFS\r | |
86 | \r | |
87 | ldf.fill.nt1 f21 = [in0], 0x10\r | |
88 | ld8.nt1 r26 = [r10], 8 // Predicate\r | |
89 | mov ar.pfs = r19\r | |
90 | \r | |
91 | ldf.fill.nt1 f22 = [in0], 0x10\r | |
92 | ld8.nt1 r27 = [r10], 8 // LC\r | |
93 | mov pr = r26, -1\r | |
94 | \r | |
95 | ldf.fill.nt1 f23 = [in0], 0x10\r | |
96 | ld8.nt1 r28 = [r10], -17*8 - 0x10\r | |
97 | mov ar.lc = r27\r | |
98 | \r | |
99 | ldf.fill.nt1 f24 = [in0], 0x10\r | |
100 | ldf.fill.nt1 f25 = [in0], 0x10\r | |
101 | mov r8 = in1\r | |
102 | \r | |
103 | ldf.fill.nt1 f26 = [in0], 0x10\r | |
104 | ldf.fill.nt1 f31 = [r10], -0x10\r | |
105 | \r | |
106 | ldf.fill.nt1 f27 = [in0], 0x10\r | |
107 | ldf.fill.nt1 f30 = [r10], -0x10\r | |
108 | \r | |
109 | ldf.fill.nt1 f28 = [in0]\r | |
110 | ldf.fill.nt1 f29 = [r10], 0x10*3 + 8*4\r | |
111 | \r | |
112 | ld8.fill.nt1 sp = [r10]\r | |
113 | mov ar.unat = r18\r | |
114 | \r | |
115 | mov ar.bspstore = r14\r | |
116 | mov ar.rnat = r31\r | |
117 | \r | |
118 | invala\r | |
119 | mov ar.rsc = r16\r | |
120 | br.ret.sptk b0\r | |
121 | .endp\r |