mirror of https://github.com/acidanthera/audk.git
1. Simplified PalCallStatic.s's by removing unnecessary condition testings.
2. Fixed a logical error in Synchronization.c which caused InterlockedIncrement() and InterlockedDecrement() to hang. 3. Replaced the pseudo-implementation of GetInterruptState() with a real version. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@793 6f19259b-4bc3-4df7-8a09-765794883524
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@ -22,27 +22,27 @@
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.type PalCallStatic, @function
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.regstk 5, 0, 0, 0
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PalCallStatic::
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cmp.eq p6 = r0, in0
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cmp.eq p15 = in0, r0
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mov r31 = in4
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mov r8 = ip
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(p6) mov in0 = ar.k5
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add r8 = (PalProcReturn - PalCallStatic), r8
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mov in4 = b0
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(p15) mov in0 = ar.k5
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add r8 = (_PalProcReturn - PalCallStatic), r8
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mov r30 = in3
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mov r29 = in2
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mov in4 = psr
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mov in3 = b0
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mov b7 = in0
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mov in3 = psr
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rsm 1 << 14 // Disable interrupts
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mov r29 = in2
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mov r28 = in1
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mov in0 = 256
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mov b0 = r8
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br.cond.sptk b7
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PalProcReturn:
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mov psr.l = in3
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cmp.eq p6 = in0, in1 // in1 == PAL_COPY_PAL?
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(p6) cmp.eq p6 = r0, r8 // Status == Success?
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(p6) add in2 = r9, in2
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(p6) mov ar.k5 = in2
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mov b0 = in4
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br.cond.sptk.many b7
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_PalProcReturn:
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mov psr.l = in4
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mov b0 = in3
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br.ret.sptk.many b0
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.endp PalCallStatic
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@ -1,4 +1,4 @@
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<?xml version="1.0" encoding="UTF-8"?>
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<?xml version="1.0" encoding="UTF-8"?>
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<ModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0">
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<MsaHeader>
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<ModuleName>BaseLib</ModuleName>
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@ -277,6 +277,7 @@
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<Filename SupArchList="IPF">Ipf/Synchronization.c</Filename>
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<Filename SupArchList="IPF">Ipf/CpuPause.s</Filename>
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<Filename SupArchList="IPF">Ipf/CpuFlushTlb.s</Filename>
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<Filename SupArchList="IPF">Ipf/GetInterruptState.s</Filename>
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<Filename SupArchList="EBC">Math64.c</Filename>
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<Filename SupArchList="EBC">Unaligned.c</Filename>
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<Filename SupArchList="EBC">Ebc/SwitchStack.c</Filename>
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@ -97,25 +97,6 @@ EnableInterrupts (
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_enable ();
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}
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/**
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Retrieves the current CPU interrupt state.
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Retrieves the current CPU interrupt state. Returns TRUE is interrupts are
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currently enabled. Otherwise returns FALSE.
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@retval TRUE CPU interrupts are enabled.
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@retval FALSE CPU interrupts are disabled.
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**/
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BOOLEAN
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EFIAPI
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GetInterruptState (
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VOID
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)
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{
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return FALSE;
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}
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/**
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Enables CPU interrupts for the smallest window required to capture any
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pending interrupts.
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@ -0,0 +1,27 @@
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/// @file
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/// Retrieve of the interrupt state of the running processor for the Itanium
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/// 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: GetInterruptState.s
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///
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///
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.auto
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.text
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.proc GetInterruptState
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.type GetInterruptState, @function
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GetInterruptState::
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mov r8 = psr
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dep.z r8 = r8, 14, 1
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br.ret.sptk.many b0
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.endp GetInterruptState
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@ -22,27 +22,27 @@
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.type PalCallStatic, @function
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.regstk 5, 0, 0, 0
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PalCallStatic::
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cmp.eq p6 = r0, in0
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cmp.eq p15 = in0, r0
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mov r31 = in4
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mov r8 = ip
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(p6) mov in0 = ar.k5
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add r8 = (PalProcReturn - PalCallStatic), r8
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mov in4 = b0
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(p15) mov in0 = ar.k5
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add r8 = (_PalProcReturn - PalCallStatic), r8
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mov r30 = in3
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mov r29 = in2
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mov in4 = psr
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mov in3 = b0
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mov b7 = in0
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mov in3 = psr
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rsm 1 << 14 // Disable interrupts
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mov r29 = in2
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mov r28 = in1
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mov in0 = 256
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mov b0 = r8
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br.cond.sptk b7
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PalProcReturn:
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mov psr.l = in3
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cmp.eq p6 = in0, in1 // in1 == PAL_COPY_PAL?
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(p6) cmp.eq p6 = r0, r8 // Status == Success?
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(p6) add in2 = r9, in2
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(p6) mov ar.k5 = in2
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mov b0 = in4
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br.cond.sptk.many b7
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_PalProcReturn:
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mov psr.l = in4
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mov b0 = in3
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br.ret.sptk.many b0
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.endp PalCallStatic
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@ -32,7 +32,7 @@ InternalSyncIncrement (
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do {
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OriginalValue = *Value;
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} while (OriginalValue == InternalSyncCompareExchange32 (
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} while (OriginalValue != InternalSyncCompareExchange32 (
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Value,
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OriginalValue,
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OriginalValue + 1
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@ -50,7 +50,7 @@ InternalSyncDecrement (
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do {
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OriginalValue = *Value;
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} while (OriginalValue == InternalSyncCompareExchange32 (
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} while (OriginalValue != InternalSyncCompareExchange32 (
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Value,
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OriginalValue,
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OriginalValue - 1
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@ -22,27 +22,27 @@
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.type PalCallStatic, @function
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.regstk 5, 0, 0, 0
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PalCallStatic::
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cmp.eq p6 = r0, in0
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cmp.eq p15 = in0, r0
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mov r31 = in4
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mov r8 = ip
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(p6) mov in0 = ar.k5
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add r8 = (PalProcReturn - PalCallStatic), r8
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mov in4 = b0
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(p15) mov in0 = ar.k5
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add r8 = (_PalProcReturn - PalCallStatic), r8
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mov r30 = in3
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mov r29 = in2
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mov in4 = psr
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mov in3 = b0
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mov b7 = in0
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mov in3 = psr
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rsm 1 << 14 // Disable interrupts
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mov r29 = in2
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mov r28 = in1
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mov in0 = 256
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mov b0 = r8
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br.cond.sptk b7
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PalProcReturn:
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mov psr.l = in3
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cmp.eq p6 = in0, in1 // in1 == PAL_COPY_PAL?
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(p6) cmp.eq p6 = r0, r8 // Status == Success?
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(p6) add in2 = r9, in2
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(p6) mov ar.k5 = in2
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mov b0 = in4
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br.cond.sptk.many b7
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_PalProcReturn:
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mov psr.l = in4
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mov b0 = in3
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br.ret.sptk.many b0
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.endp PalCallStatic
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