mirror of https://github.com/acidanthera/audk.git
122 lines
4.1 KiB
ArmAsm
122 lines
4.1 KiB
ArmAsm
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/// @file
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/// Contains an implementation of longjmp for the Itanium-based architecture.
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///
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/// Copyright (c) 2006, Intel Corporation
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/// All rights reserved. This program and the accompanying materials
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/// are licensed and made available under the terms and conditions of the BSD License
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/// which accompanies this distribution. The full text of the license may be found at
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/// http://opensource.org/licenses/bsd-license.php
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///
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/// THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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/// WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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///
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/// Module Name: longjmp.s
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///
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///
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.auto
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.text
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.proc InternalLongJump
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.type InternalLongJump, @function
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.regstk 2, 0, 0, 0
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InternalLongJump::
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add r10 = 0x10*20 + 8*14, in0
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movl r2 = ~((((1 << 14) - 1) << 16) | 3)
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ld8.nt1 r14 = [r10], -8*2 // BSP, skip PFS
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mov r15 = ar.bspstore // BSPSTORE
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ld8.nt1 r17 = [r10], -8 // UNAT after spill
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mov r16 = ar.rsc // RSC
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cmp.leu p6 = r14, r15
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ld8.nt1 r18 = [r10], -8 // UNAT
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ld8.nt1 r25 = [r10], -8 // b5
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and r2 = r16, r2
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ldf.fill.nt1 f2 = [in0], 0x10
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ld8.nt1 r24 = [r10], -8 // b4
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mov b5 = r25
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mov ar.rsc = r2
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ld8.nt1 r23 = [r10], -8 // b3
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mov b4 = r24
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ldf.fill.nt1 f3 = [in0], 0x10
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mov ar.unat = r17
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(p6) br.spnt.many _skip_flushrs
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flushrs
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mov r15 = ar.bsp // New BSPSTORE
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_skip_flushrs:
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mov r31 = ar.rnat // RNAT
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loadrs
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ldf.fill.nt1 f4 = [in0], 0x10
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ld8.nt1 r22 = [r10], -8
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dep r2 = -1, r14, 3, 6
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ldf.fill.nt1 f5 = [in0], 0x10
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ld8.nt1 r21 = [r10], -8
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cmp.ltu p6 = r2, r15
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ld8.nt1 r20 = [r10], -0x10 // skip sp
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(p6) ld8.nta r31 = [r2]
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mov b3 = r23
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ldf.fill.nt1 f16 = [in0], 0x10
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ld8.fill.nt1 r7 = [r10], -8
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mov b2 = r22
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ldf.fill.nt1 f17 = [in0], 0x10
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ld8.fill.nt1 r6 = [r10], -8
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mov b1 = r21
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ldf.fill.nt1 f18 = [in0], 0x10
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ld8.fill.nt1 r5 = [r10], -8
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mov b0 = r20
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ldf.fill.nt1 f19 = [in0], 0x10
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ld8.fill.nt1 r4 = [r10], 8*13
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ldf.fill.nt1 f20 = [in0], 0x10
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ld8.nt1 r19 = [r10], 0x10 // PFS
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ldf.fill.nt1 f21 = [in0], 0x10
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ld8.nt1 r26 = [r10], 8 // Predicate
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mov ar.pfs = r19
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ldf.fill.nt1 f22 = [in0], 0x10
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ld8.nt1 r27 = [r10], 8 // LC
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mov pr = r26, -1
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ldf.fill.nt1 f23 = [in0], 0x10
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ld8.nt1 r28 = [r10], -17*8 - 0x10
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mov ar.lc = r27
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ldf.fill.nt1 f24 = [in0], 0x10
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ldf.fill.nt1 f25 = [in0], 0x10
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mov r8 = in1
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ldf.fill.nt1 f26 = [in0], 0x10
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ldf.fill.nt1 f31 = [r10], -0x10
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ldf.fill.nt1 f27 = [in0], 0x10
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ldf.fill.nt1 f30 = [r10], -0x10
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ldf.fill.nt1 f28 = [in0]
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ldf.fill.nt1 f29 = [r10], 0x10*3 + 8*4
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ld8.fill.nt1 sp = [r10]
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mov ar.unat = r18
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mov ar.bspstore = r14
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mov ar.rnat = r31
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invala
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mov ar.rsc = r16
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br.ret.sptk b0
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.endp
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