audk/MdePkg/Library/BaseTimerLibLocalApic/Ipf/PalCallStatic.s

49 lines
1.8 KiB
ArmAsm

/// @file
/// Contains an implementation of CallPalProcStatic on 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: PalCallStatic.s
///
///
.auto
.text
.proc PalCallStatic
.type PalCallStatic, @function
.regstk 5, 0, 0, 0
PalCallStatic::
cmp.eq p6 = r0, in0
mov r31 = in4
mov r8 = ip
(p6) mov in0 = ar.k5
add r8 = (PalProcReturn - PalCallStatic), r8
mov in4 = b0
mov r30 = in3
mov r29 = in2
mov b7 = in0
mov in3 = psr
rsm 1 << 14 // Disable interrupts
mov r28 = in1
mov in0 = 256
mov b0 = r8
br.cond.sptk b7
PalProcReturn:
mov psr.l = in3
cmp.eq p6 = in0, in1 // in1 == PAL_COPY_PAL?
(p6) cmp.eq p6 = r0, r8 // Status == Success?
(p6) add in2 = r9, in2
(p6) mov ar.k5 = in2
mov b0 = in4
br.ret.sptk.many b0
.endp PalCallStatic