diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ipf/ReadCr.s')
-rw-r--r-- | MdePkg/Library/BaseLib/Ipf/ReadCr.s | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/ReadCr.s b/MdePkg/Library/BaseLib/Ipf/ReadCr.s deleted file mode 100644 index ef52964e5c..0000000000 --- a/MdePkg/Library/BaseLib/Ipf/ReadCr.s +++ /dev/null @@ -1,102 +0,0 @@ -/// @file
-/// IPF specific control register reading functions
-///
-/// Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>
-/// 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.
-///
-///
-///
-
-
-
-//---------------------------------------------------------------------------------
-//++
-// AsmReadControlRegister
-//
-// Reads a 64-bit control register.
-//
-// Reads and returns the control register specified by Index.
-// If Index is invalid then 0xFFFFFFFFFFFFFFFF is returned. This function is only available on IPF.
-//
-// Arguments :
-//
-// On Entry : The index of the control register to read.
-//
-// Return Value: The control register specified by Index.
-//
-//--
-//----------------------------------------------------------------------------------
-.text
-.type AsmReadControlRegister, @function
-.proc AsmReadControlRegister
-.regstk 1, 0, 0, 0
-
-AsmReadControlRegister::
- //
- // CRs are defined in the ranges 0-25 and 64-81 (with some holes).
- // Compact this list by subtracting 32 from the top range.
- // 0-25, 64-81 -> 0-25, 32-49
- //
- mov r15=2
- mov r14=pr // save predicates
- cmp.leu p6,p7=64,in0 // p6 = CR# >= 64
- ;;
- (p7) cmp.leu p7,p0=32,in0 // p7 = 32 <= CR# < 64
- (p6) add in0=-32,in0 // if (CR >= 64) CR# -= 32
- ;;
- (p7) mov r15=0 // if bad range (32-63)
- ;;
- mov ret0=-1 // in case of illegal CR #
- shl r15=r15,in0 // r15 = 0x2 << CR#
- ;;
- mov pr=r15,-1
- ;;
-
- //
- // At this point the predicates contain a bit field of the
- // CR desired. (The bit is the CR+1, since pr0 is always 1.)
- //
- .pred.rel "mutex",p1,p2,p3,p9,p17,p18,p20,p21,p22,p23,p24,p25,p26,\
- p33,p34,p35,p36,p37,p38,p39,p40,p41,p42,p43,p49,p50
- (p1) mov ret0=cr.dcr // cr0
- (p2) mov ret0=cr.itm // cr1
- (p3) mov ret0=cr.iva // cr2
- (p9) mov ret0=cr.pta // cr8
- (p17) mov ret0=cr.ipsr // cr16
- (p18) mov ret0=cr.isr // cr17
- (p20) mov ret0=cr.iip // cr19
- (p21) mov ret0=cr.ifa // cr20
- (p22) mov ret0=cr.itir // cr21
- (p23) mov ret0=cr.iipa // cr22
- (p24) mov ret0=cr.ifs // cr23
- (p25) mov ret0=cr.iim // cr24
- (p26) mov ret0=cr.iha // cr25
-
- // This is the translated (-32) range.
-
- (p33) mov ret0=cr.lid // cr64
- (p34) mov ret0=cr.ivr // cr65
- (p35) mov ret0=cr.tpr // cr66
- (p36) mov ret0=cr.eoi // cr67
- (p37) mov ret0=cr.irr0 // cr68
- (p38) mov ret0=cr.irr1 // cr69
- (p39) mov ret0=cr.irr2 // cr70
- (p40) mov ret0=cr.irr3 // cr71
- (p41) mov ret0=cr.itv // cr72
- (p42) mov ret0=cr.pmv // cr73
- (p43) mov ret0=cr.cmcv // cr74
- (p49) mov ret0=cr.lrr0 // cr80
- (p50) mov ret0=cr.lrr1 // cr81
-
- //
- // Restore predicates and return.
- //
- mov pr=r14,-1
- br.ret.sptk b0
- .endp
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