diff options
Diffstat (limited to 'MdePkg/Library/BaseLib/Ipf/ReadCr.s')
| -rw-r--r-- | MdePkg/Library/BaseLib/Ipf/ReadCr.s | 550 |
1 files changed, 85 insertions, 465 deletions
diff --git a/MdePkg/Library/BaseLib/Ipf/ReadCr.s b/MdePkg/Library/BaseLib/Ipf/ReadCr.s index 839ea6f..fe5d80d 100644 --- a/MdePkg/Library/BaseLib/Ipf/ReadCr.s +++ b/MdePkg/Library/BaseLib/Ipf/ReadCr.s @@ -14,469 +14,89 @@ ///
-.text
-.type AsmReadControlRegisterDcr, @function
-.proc AsmReadControlRegisterDcr
-//
-// Reads control register DCR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_DCR
-//
-// @return The 64-bit control register DCR.
-//
-AsmReadControlRegisterDcr::
- mov r8 = cr.dcr;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterDcr
-
-
-
-.text
-.type AsmReadControlRegisterItm, @function
-.proc AsmReadControlRegisterItm
-//
-// Reads control register ITM.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_ITM
-//
-// @return The 64-bit control register ITM.
-//
-AsmReadControlRegisterItm::
- mov r8 = cr.itm;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterItm
-
-
-
-.text
-.type AsmReadControlRegisterIva, @function
-.proc AsmReadControlRegisterIva
-//
-// Reads control register IVA.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IVA
-//
-// @return The 64-bit control register IVA.
-//
-AsmReadControlRegisterIva::
- mov r8 = cr.iva;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIva
-
-
-
-.text
-.type AsmReadControlRegisterPta, @function
-.proc AsmReadControlRegisterPta
-//
-// Reads control register PTA.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_PTA
-//
-// @return The 64-bit control register PTA.
-//
-AsmReadControlRegisterPta::
- mov r8 = cr.pta;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterPta
-
-
-
-.text
-.type AsmReadControlRegisterIpsr, @function
-.proc AsmReadControlRegisterIpsr
-//
-// Reads control register IPSR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IPSR
-//
-// @return The 64-bit control register IPSR.
-//
-AsmReadControlRegisterIpsr::
- mov r8 = cr.ipsr;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIpsr
-
-
-
-.text
-.type AsmReadControlRegisterIsr, @function
-.proc AsmReadControlRegisterIsr
-//
-// Reads control register ISR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_ISR
-//
-// @return The 64-bit control register ISR.
-//
-AsmReadControlRegisterIsr::
- mov r8 = cr.isr;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIsr
-
-
-
-.text
-.type AsmReadControlRegisterIip, @function
-.proc AsmReadControlRegisterIip
-//
-// Reads control register IIP.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IIP
-//
-// @return The 64-bit control register IIP.
-//
-AsmReadControlRegisterIip::
- mov r8 = cr.iip;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIip
-
-
-
-.text
-.type AsmReadControlRegisterIfa, @function
-.proc AsmReadControlRegisterIfa
-//
-// Reads control register IFA.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IFA
-//
-// @return The 64-bit control register IFA.
-//
-AsmReadControlRegisterIfa::
- mov r8 = cr.ifa;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIfa
-
-
-
-.text
-.type AsmReadControlRegisterItir, @function
-.proc AsmReadControlRegisterItir
-//
-// Reads control register ITIR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_ITIR
-//
-// @return The 64-bit control register ITIR.
-//
-AsmReadControlRegisterItir::
- mov r8 = cr.itir;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterItir
-
-
-
-.text
-.type AsmReadControlRegisterIipa, @function
-.proc AsmReadControlRegisterIipa
-//
-// Reads control register IIPA.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IIPA
-//
-// @return The 64-bit control register IIPA.
-//
-AsmReadControlRegisterIipa::
- mov r8 = cr.iipa;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIipa
-
-
-
-.text
-.type AsmReadControlRegisterIfs, @function
-.proc AsmReadControlRegisterIfs
-//
-// Reads control register IFS.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IFS
-//
-// @return The 64-bit control register IFS.
-//
-AsmReadControlRegisterIfs::
- mov r8 = cr.ifs;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIfs
-
-
-
-.text
-.type AsmReadControlRegisterIim, @function
-.proc AsmReadControlRegisterIim
-//
-// Reads control register IIM.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IIM
-//
-// @return The 64-bit control register IIM.
-//
-AsmReadControlRegisterIim::
- mov r8 = cr.iim;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIim
-
-
-
-.text
-.type AsmReadControlRegisterIha, @function
-.proc AsmReadControlRegisterIha
-//
-// Reads control register IHA.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IHA
-//
-// @return The 64-bit control register IHA.
-//
-AsmReadControlRegisterIha::
- mov r8 = cr.iha;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIha
-
-
-
-.text
-.type AsmReadControlRegisterLid, @function
-.proc AsmReadControlRegisterLid
-//
-// Reads control register LID.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_LID
-//
-// @return The 64-bit control register LID.
-//
-AsmReadControlRegisterLid::
- mov r8 = cr.lid;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterLid
-
-
-
-.text
-.type AsmReadControlRegisterIvr, @function
-.proc AsmReadControlRegisterIvr
-//
-// Reads control register IVR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IVR
-//
-// @return The 64-bit control register IVR.
-//
-AsmReadControlRegisterIvr::
- mov r8 = cr.ivr;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIvr
-
-
-
-.text
-.type AsmReadControlRegisterTpr, @function
-.proc AsmReadControlRegisterTpr
-//
-// Reads control register TPR.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_TPR
-//
-// @return The 64-bit control register TPR.
-//
-AsmReadControlRegisterTpr::
- mov r8 = cr.tpr;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterTpr
-
-
-
-.text
-.type AsmReadControlRegisterEoi, @function
-.proc AsmReadControlRegisterEoi
-//
-// Reads control register EOI.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_EOI
-//
-// @return The 64-bit control register EOI.
-//
-AsmReadControlRegisterEoi::
- mov r8 = cr.eoi;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterEoi
-
-
-
-.text
-.type AsmReadControlRegisterIrr0, @function
-.proc AsmReadControlRegisterIrr0
-//
-// Reads control register IRR0.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IRR0
-//
-// @return The 64-bit control register IRR0.
-//
-AsmReadControlRegisterIrr0::
- mov r8 = cr.irr0;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIrr0
-
-
-
-.text
-.type AsmReadControlRegisterIrr1, @function
-.proc AsmReadControlRegisterIrr1
-//
-// Reads control register IRR1.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IRR1
-//
-// @return The 64-bit control register IRR1.
-//
-AsmReadControlRegisterIrr1::
- mov r8 = cr.irr1;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIrr1
-
-
-
-.text
-.type AsmReadControlRegisterIrr2, @function
-.proc AsmReadControlRegisterIrr2
-//
-// Reads control register IRR2.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IRR2
-//
-// @return The 64-bit control register IRR2.
-//
-AsmReadControlRegisterIrr2::
- mov r8 = cr.irr2;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIrr2
-
-
-
-.text
-.type AsmReadControlRegisterIrr3, @function
-.proc AsmReadControlRegisterIrr3
-//
-// Reads control register IRR3.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_IRR3
-//
-// @return The 64-bit control register IRR3.
-//
-AsmReadControlRegisterIrr3::
- mov r8 = cr.irr3;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterIrr3
-
-
-
-.text
-.type AsmReadControlRegisterItv, @function
-.proc AsmReadControlRegisterItv
-//
-// Reads control register ITV.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_ITV
-//
-// @return The 64-bit control register ITV.
-//
-AsmReadControlRegisterItv::
- mov r8 = cr.itv;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterItv
-
-
-
-.text
-.type AsmReadControlRegisterPmv, @function
-.proc AsmReadControlRegisterPmv
-//
-// Reads control register PMV.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_PMV
-//
-// @return The 64-bit control register PMV.
-//
-AsmReadControlRegisterPmv::
- mov r8 = cr.pmv;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterPmv
-
-
-
-.text
-.type AsmReadControlRegisterCmcv, @function
-.proc AsmReadControlRegisterCmcv
-//
-// Reads control register CMCV.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_CMCV
-//
-// @return The 64-bit control register CMCV.
-//
-AsmReadControlRegisterCmcv::
- mov r8 = cr.cmcv;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterCmcv
-
-
-
-.text
-.type AsmReadControlRegisterLrr0, @function
-.proc AsmReadControlRegisterLrr0
-//
-// Reads control register LRR0.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_LRR0
-//
-// @return The 64-bit control register LRR0.
-//
-AsmReadControlRegisterLrr0::
- mov r8 = cr.lrr0;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterLrr0
-
-
-
-.text
-.type AsmReadControlRegisterLrr1, @function
-.proc AsmReadControlRegisterLrr1
-//
-// Reads control register LRR1.
-//
-// This is a worker function for AsmReadControlRegister()
-// when its parameter Index is IPF_CONTROL_REGISTER_LRR1
-//
-// @return The 64-bit control register LRR1.
-//
-AsmReadControlRegisterLrr1::
- mov r8 = cr.lrr1;;
- br.ret.dpnt b0;;
-.endp AsmReadControlRegisterLrr1
+//---------------------------------------------------------------------------------
+//++
+// 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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