mirror of https://github.com/acidanthera/audk.git
122 lines
4.1 KiB
ArmAsm
122 lines
4.1 KiB
ArmAsm
/// @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
|