mirror of https://github.com/tongzx/nt5src
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
785 lines
20 KiB
785 lines
20 KiB
// TITLE("Wst Utility")
|
|
//++
|
|
// Copyright (c) 1992-1994, Microsoft Corporation.
|
|
//
|
|
// Description:
|
|
// SaveAllRegs ()
|
|
// - save all IA64 registers
|
|
//
|
|
// RestoreAllRegs ()
|
|
// - restore all IA64 registers
|
|
//
|
|
//
|
|
//--
|
|
|
|
|
|
#include "ksia64.h"
|
|
|
|
PublicFunction(c_penter)
|
|
|
|
//--------------------------------------------------------------------
|
|
// Routine:
|
|
//
|
|
// VOID
|
|
// SaveAllRegs(
|
|
// IN OUT PDWORDLONG pSaveBuffer)
|
|
//
|
|
// Description:
|
|
//
|
|
// This function saves the EM registers into the supplied buffer
|
|
//
|
|
// Input:
|
|
//
|
|
// a0: pSaveBuffer - Pointer CONTEXT buffer where the registers should be
|
|
// saved.
|
|
//
|
|
// Output:
|
|
//
|
|
// Stores the registers in the supplied buffer.
|
|
//
|
|
// Return value:
|
|
//
|
|
// None
|
|
//
|
|
//
|
|
//
|
|
//--------------------------------------------------------------------
|
|
|
|
LEAF_ENTRY(SaveAllRegs)
|
|
|
|
|
|
//
|
|
// Save all integer registers and flush the RSE
|
|
//
|
|
|
|
.prologue
|
|
.regstk 1, 10, 0, 0
|
|
|
|
rbsp = loc9
|
|
rpfs = loc8
|
|
rbrp = loc7
|
|
rpr = loc6
|
|
runat = loc4
|
|
tmpbsp = t20
|
|
|
|
|
|
alloc rpfs = ar.pfs, 1, 10, 0, 0
|
|
add loc0 = CxIntGp, a0
|
|
add loc1 = CxIntT8, a0
|
|
;;
|
|
|
|
flushrs
|
|
.save ar.unat, loc4
|
|
mov runat = ar.unat
|
|
mov rpr = pr
|
|
|
|
PROLOGUE_END
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = gp, CxIntT0 - CxIntGp
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t8, CxIntT9 - CxIntT8
|
|
add loc2 = CxIntGp, a0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t0, CxIntT1 - CxIntT0
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t9, CxIntT10 - CxIntT9
|
|
shr loc2 = loc2, 3
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t1, CxIntS0 - CxIntT1
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t10, CxIntT11 - CxIntT10
|
|
and t0 = 0x3f, loc2
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = s0, CxIntS1 - CxIntS0
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t11, CxIntT12 - CxIntT11
|
|
cmp4.ge pt1, pt0 = 1, t0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = s1, CxIntS2 - CxIntS1
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t12, CxIntT13 - CxIntT12
|
|
(pt1) sub t1 = 1, t0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = s2, CxIntS3 - CxIntS2
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t13, CxIntT14 - CxIntT13
|
|
(pt0) add t1 = -1, t0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = s3, CxIntV0 - CxIntS3
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t14, CxIntT15 - CxIntT14
|
|
(pt0) sub t8 = 65, t0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = v0, CxIntTeb - CxIntV0
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t15, CxIntT16 - CxIntT15
|
|
nop.i 0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = teb, CxIntT2 - CxIntTeb
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t16, CxIntT17 - CxIntT16
|
|
mov rbrp = brp
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t2, CxIntT3 - CxIntT2
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t17, CxIntT18 - CxIntT17
|
|
mov t11 = bs0
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t3, CxIntSp - CxIntT3
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t18, CxIntT19 - CxIntT18
|
|
mov t12 = bs1
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = sp, CxIntT4 - CxIntSp
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t19, CxIntT20 - CxIntT19
|
|
mov t13 = bs2
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t4, CxIntT5 - CxIntT4
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t20, CxIntT21 - CxIntT20
|
|
mov t14 = bs3
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t5, CxIntT6 - CxIntT5
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t21, CxIntT22 - CxIntT21
|
|
mov t15 = bs4
|
|
;;
|
|
|
|
.mem.offset 0,0
|
|
st8.spill.nta [loc0] = t6, CxIntT7 - CxIntT6
|
|
.mem.offset 0,8
|
|
st8.spill.nta [loc1] = t22, CxPreds - CxIntT22
|
|
mov t16 = bt0
|
|
;;
|
|
|
|
st8.spill.nta [loc0] = t7
|
|
st8.nta [loc1] = rpr, CxIntNats - CxPreds // save predicates
|
|
mov t17 = bt1
|
|
;;
|
|
|
|
mov t9 = ar.unat
|
|
mov t4 = ar.fpsr
|
|
add loc2 = CxBrRp, a0
|
|
;;
|
|
|
|
add loc3 = CxBrS3, a0
|
|
(pt1) shl t9 = t9, t1
|
|
(pt0) shr.u t2 = t9, t1
|
|
;;
|
|
|
|
//
|
|
// Save branch registers.
|
|
//
|
|
|
|
st8.nta [loc2] = rbrp, CxBrS0 - CxBrRp // save brp
|
|
st8.nta [loc3] = t14, CxBrS4 - CxBrS3 // save bs3
|
|
(pt0) shl t3 = t9, t8
|
|
;;
|
|
|
|
st8.nta [loc2] = t11, CxBrS1 - CxBrS0 // save bs0
|
|
st8.nta [loc3] = t15, CxBrT0 - CxBrS4 // save bs4
|
|
(pt0) or t9 = t2, t3
|
|
;;
|
|
|
|
st8.nta [loc2] = t12, CxBrS2 - CxBrS1 // save bs1
|
|
st8.nta [loc3] = t16, CxBrT1 - CxBrT0 // save bt0
|
|
add loc0 = CxStFPSR, a0
|
|
;;
|
|
|
|
st8.nta [loc2] = t13 // save bs2
|
|
st8.nta [loc3] = t17 // save bt1
|
|
add loc2 = CxStFSR, a0
|
|
;;
|
|
|
|
st8.nta [loc0] = t4 // save fpsr
|
|
st8.nta [loc1] = t9 // save nat bits
|
|
add loc1 = CxStFIR, a0
|
|
;;
|
|
|
|
mov t0 = ar.fsr
|
|
mov t1 = ar.fir
|
|
mov t2 = ar.fdr
|
|
;;
|
|
|
|
st8.nta [loc2] = t0, CxStFDR - CxStFSR
|
|
st8.nta [loc1] = t1
|
|
;;
|
|
|
|
st8.nta [loc2] = t2
|
|
|
|
mov rbsp = ar.bsp
|
|
add loc2 = CxFltS0, a0
|
|
add loc3 = CxFltS1, a0
|
|
;;
|
|
|
|
//
|
|
// Save floating status and floating registers f0 - f127.
|
|
//
|
|
|
|
stf.spill.nta [loc2] = fs0, CxFltS2 - CxFltS0
|
|
stf.spill.nta [loc3] = fs1, CxFltS3 - CxFltS1
|
|
shr t0 = rpfs, 7
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs2, CxFltT0 - CxFltS2
|
|
stf.spill.nta [loc3] = fs3, CxFltT1 - CxFltS3
|
|
and t0 = 0x7f, t0
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = ft0, CxFltT2 - CxFltT0
|
|
stf.spill.nta [loc3] = ft1, CxFltT3 - CxFltT1
|
|
shr t1 = rbsp, 3
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = ft2, CxFltT4 - CxFltT2
|
|
stf.spill.nta [loc3] = ft3, CxFltT5 - CxFltT3
|
|
and t1 = 0x3f, t1
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = ft4, CxFltT6 - CxFltT4
|
|
stf.spill.nta [loc3] = ft5, CxFltT7 - CxFltT5
|
|
sub t2 = t0, t1
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = ft6, CxFltT8 - CxFltT6
|
|
stf.spill.nta [loc3] = ft7, CxFltT9 - CxFltT7
|
|
cmp4.le pt1, pt0 = t2, zero
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = ft8, CxFltS4 - CxFltT8
|
|
stf.spill.nta [loc3] = ft9, CxFltS5 - CxFltT9
|
|
(pt0) add t2 = -1, t2
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs4, CxFltS6 - CxFltS4
|
|
stf.spill.nta [loc3] = fs5, CxFltS7 - CxFltS5
|
|
(pt0) add t0 = 1, t0
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs6, CxFltS8 - CxFltS6
|
|
stf.spill.nta [loc3] = fs7, CxFltS9 - CxFltS7
|
|
(pt0) add t2 = -63, t2
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs8, CxFltS10 - CxFltS8
|
|
stf.spill.nta [loc3] = fs9, CxFltS11 - CxFltS9
|
|
(pt0) cmp4.ge.unc pt2, pt3 = t2, zero
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs10, CxFltS12 - CxFltS10
|
|
stf.spill.nta [loc3] = fs11, CxFltS13 - CxFltS11
|
|
(pt1) br.cond.spnt Rcc20
|
|
;;
|
|
|
|
Rcc10:
|
|
(pt2) add t0 = 1, t0
|
|
(pt2) add t2 = -63, t2
|
|
(pt3) br.cond.sptk Rcc20
|
|
;;
|
|
|
|
cmp4.ge pt2, pt3 = t2, zero
|
|
nop.m 0
|
|
br Rcc10
|
|
|
|
Rcc20:
|
|
stf.spill.nta [loc2] = fs12, CxFltS14 - CxFltS12
|
|
stf.spill.nta [loc3] = fs13, CxFltS15 - CxFltS13
|
|
add tmpbsp = -8, rbsp
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs14, CxFltS16 - CxFltS14
|
|
stf.spill.nta [loc3] = fs15, CxFltS17 - CxFltS15
|
|
shl t0 = t0, 3
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs16, CxFltS18 - CxFltS16
|
|
stf.spill.nta [loc3] = fs17, CxFltS19 - CxFltS17
|
|
sub rbsp = rbsp, t0
|
|
;;
|
|
|
|
stf.spill.nta [loc2] = fs18, CxFltF32 - CxFltS18
|
|
stf.spill.nta [loc3] = fs19, CxFltF33 - CxFltS19
|
|
nop.i 0
|
|
;;
|
|
|
|
//
|
|
// Save application registers, control information and set context flags.
|
|
//
|
|
|
|
User=pt0
|
|
Krnl=pt1
|
|
rdcr=t1
|
|
mask=t2
|
|
sol=t4
|
|
rpsr=t5
|
|
is=t6
|
|
rccv=t7
|
|
rlc=t8
|
|
rec=t9
|
|
rrsc=t10
|
|
rrnat=t11
|
|
flag=t16
|
|
addr0=t17
|
|
addr1=t18
|
|
tmp=t19
|
|
|
|
mov rrsc = ar.rsc
|
|
tbit.nz Krnl, User = sp, 62 // bit 62 is 1 when
|
|
mov rlc = ar.lc
|
|
;;
|
|
|
|
mov ar.rsc = zero // put RSE in lazy mode
|
|
mov rccv = ar.ccv
|
|
mov rec = ar.ec
|
|
;; // in kernel
|
|
|
|
(Krnl) mov rpsr = psr
|
|
(User) mov rpsr = psr.um
|
|
add addr0 = CxApUNAT, a0
|
|
|
|
mov rrnat = ar.rnat
|
|
add addr1 = CxApLC, a0
|
|
|
|
(Krnl) mov rdcr = cr.dcr
|
|
(Krnl) movl tmp = 1 << PSR_BN
|
|
;;
|
|
|
|
st8.nta [addr0] = runat, CxApEC - CxApUNAT
|
|
st8.nta [addr1] = rlc, CxApCCV - CxApLC
|
|
(Krnl) or rpsr = tmp, rpsr
|
|
;;
|
|
|
|
st8.nta [addr0] = rec, CxApDCR - CxApEC
|
|
st8.nta [addr1] = rccv, CxRsPFS - CxApCCV
|
|
mov tmp = 1
|
|
;;
|
|
|
|
st8.nta [addr0] = rdcr, CxRsBSP - CxApDCR
|
|
st8.nta [addr1] = rpfs, CxRsBSPSTORE - CxRsPFS
|
|
shl tmp = tmp, 63
|
|
;;
|
|
|
|
st8.nta [addr0] = rbsp, CxRsRSC - CxRsBSP
|
|
st8.nta [addr1] = rbsp, CxRsRNAT - CxRsBSPSTORE
|
|
or rpfs = rpfs, tmp // validate IFS
|
|
;;
|
|
|
|
st8.nta [addr0] = rrsc, CxStIIP - CxRsRSC
|
|
st8.nta [addr1] = rrnat, CxStIFS - CxRsRNAT
|
|
mov mask = RNAT_ALIGNMENT
|
|
;;
|
|
|
|
st8.nta [addr0] = rbrp, CxStIPSR - CxStIIP
|
|
add tmp = CxContextFlags, a0
|
|
mov flag = CONTEXT_FULL // full context saved.
|
|
;;
|
|
|
|
st8.nta [addr0] = rpsr // save psr
|
|
st8.nta [addr1] = rpfs
|
|
or tmpbsp = tmpbsp, mask
|
|
;;
|
|
|
|
mov ar.rsc = rrsc // restore RSC
|
|
st4.nta [tmp] = flag
|
|
|
|
mov ar.unat = runat // restore ar.unat
|
|
st8.nta [tmpbsp] = rrnat
|
|
(p0) br.ret.sptk brp // return to caller.
|
|
|
|
LEAF_EXIT(SaveAllRegs)
|
|
|
|
|
|
//++
|
|
//
|
|
// VOID
|
|
// RestoreAllRegs (
|
|
// IN PCONTEXT ContextRecord,
|
|
// )
|
|
//
|
|
// Routine Description:
|
|
//
|
|
// This function restores the registers of the caller from the specified
|
|
// context.
|
|
//
|
|
// N.B. The context record is assumed to be 16-byte aligned.
|
|
//
|
|
// Arguments:
|
|
//
|
|
// ContextRecord (a0) - Supplies the address of a context record.
|
|
//
|
|
// Return Value:
|
|
//
|
|
// None.
|
|
//
|
|
//--
|
|
|
|
LEAF_ENTRY(RestoreAllRegs)
|
|
|
|
dest1=t8
|
|
dest2=t9
|
|
rlc=t10
|
|
rpreds=t11
|
|
rbrp=t12
|
|
rbsp=t13
|
|
rpfs=t14
|
|
runat=t15
|
|
rpreds=t16
|
|
rsp=t17
|
|
rfpsr=t18
|
|
jb=t19
|
|
tmp=t20
|
|
src1=t21
|
|
src2=t22
|
|
|
|
.regstk 2, 9, 2, 0
|
|
|
|
alloc t4 = ar.pfs, 2, 11, 2, 0
|
|
ARGPTR(a0)
|
|
|
|
add src1 = CxIntNats, a0
|
|
add src2 = CxPreds, a0
|
|
add tmp = CxIntGp, a0
|
|
;;
|
|
|
|
ld8.nt1 t17 = [src1], CxBrRp - CxIntNats
|
|
ld8.nt1 t16 = [src2], CxBrS0 - CxPreds
|
|
shr tmp = tmp, 3
|
|
;;
|
|
|
|
ld8.nt1 t0 = [src1], CxBrS1 - CxBrRp
|
|
ld8.nt1 t1 = [src2], CxBrS2 - CxBrS0
|
|
and tmp = 0x3f, tmp
|
|
;;
|
|
|
|
ld8.nt1 t2 = [src1], CxBrS3 - CxBrS1
|
|
ld8.nt1 t3 = [src2], CxBrS4 - CxBrS2
|
|
cmp4.ge pt1, pt0 = 1, tmp
|
|
;;
|
|
|
|
ld8.nt1 t4 = [src1], CxBrT0 - CxBrS3
|
|
ld8.nt1 t5 = [src2], CxBrT1 - CxBrS4
|
|
(pt1) sub loc5 = 1, tmp
|
|
;;
|
|
|
|
ld8.nt1 t6 = [src1], CxApUNAT - CxBrT0
|
|
ld8.nt1 t7 = [src2], CxApLC - CxBrT1
|
|
(pt0) add loc5 = -1, tmp
|
|
;;
|
|
|
|
ld8.nt1 loc0 = [src1], CxApEC - CxApUNAT
|
|
ld8.nt1 t8 = [src2], CxApCCV - CxApLC
|
|
(pt0) sub loc6 = 65, tmp
|
|
;;
|
|
|
|
ld8.nt1 t9 = [src1], CxApDCR - CxApEC
|
|
ld8.nt1 t10 = [src2], CxRsPFS - CxApCCV
|
|
(pt1) shr.u t17 = t17, loc5
|
|
;;
|
|
|
|
ld8.nt1 loc1 = [src1], CxRsBSP - CxApDCR
|
|
ld8.nt1 t11 = [src2], CxRsRSC - CxRsPFS
|
|
(pt0) shl loc7 = t17, loc5
|
|
;;
|
|
|
|
ld8.nt1 loc2 = [src1], CxStIIP - CxRsBSP
|
|
ld8.nt1 loc3 = [src2], CxStIFS - CxRsRSC
|
|
(pt0) shr.u loc8 = t17, loc6
|
|
;;
|
|
|
|
ld8.nt1 loc9 = [src1]
|
|
ld8.nt1 loc10 = [src2]
|
|
(pt0) or t17 = loc7, loc8
|
|
;;
|
|
|
|
mov ar.unat = t17
|
|
add src1 = CxFltS0, a0
|
|
shr t12 = loc2, 3
|
|
;;
|
|
|
|
add src2 = CxFltS1, a0
|
|
and t12 = 0x3f, t12 // current rnat save index
|
|
and t13 = 0x7f, loc10 // total frame size
|
|
;;
|
|
|
|
mov ar.ccv = t10
|
|
add t14 = t13, t12
|
|
mov ar.pfs = t11
|
|
;;
|
|
|
|
Rrc20:
|
|
cmp4.gt pt1, pt0 = 63, t14
|
|
;;
|
|
(pt0) add t14 = -63, t14
|
|
(pt0) add t13 = 1, t13
|
|
;;
|
|
|
|
nop.m 0
|
|
(pt1) shl t13 = t13, 3
|
|
(pt0) br.cond.spnt Rrc20
|
|
;;
|
|
|
|
add loc2 = loc2, t13
|
|
nop.f 0
|
|
mov pr = t16, -1
|
|
|
|
ldf.fill.nt1 fs0 = [src1], CxFltS2 - CxFltS0
|
|
ldf.fill.nt1 fs1 = [src2], CxFltS3 - CxFltS1
|
|
mov brp = t0
|
|
;;
|
|
|
|
ldf.fill.nt1 fs2 = [src1], CxFltT0 - CxFltS2
|
|
ldf.fill.nt1 fs3 = [src2], CxFltT1 - CxFltS3
|
|
mov bs0 = t1
|
|
;;
|
|
|
|
ldf.fill.nt1 ft0 = [src1], CxFltT2 - CxFltT0
|
|
ldf.fill.nt1 ft1 = [src2], CxFltT3 - CxFltT1
|
|
mov bs1 = t2
|
|
;;
|
|
|
|
ldf.fill.nt1 ft2 = [src1], CxFltT4 - CxFltT2
|
|
ldf.fill.nt1 ft3 = [src2], CxFltT5 - CxFltT3
|
|
mov bs2 = t3
|
|
;;
|
|
|
|
ldf.fill.nt1 ft4 = [src1], CxFltT6 - CxFltT4
|
|
ldf.fill.nt1 ft5 = [src2], CxFltT7 - CxFltT5
|
|
mov bs3 = t4
|
|
;;
|
|
|
|
ldf.fill.nt1 ft6 = [src1], CxFltT8 - CxFltT6
|
|
ldf.fill.nt1 ft7 = [src2], CxFltT9 - CxFltT7
|
|
mov bs4 = t5
|
|
;;
|
|
|
|
ldf.fill.nt1 ft8 = [src1], CxFltS4 - CxFltT8
|
|
ldf.fill.nt1 ft9 = [src2], CxFltS5 - CxFltT9
|
|
mov bt0 = t6
|
|
;;
|
|
|
|
ldf.fill.nt1 fs4 = [src1], CxFltS6 - CxFltS4
|
|
ldf.fill.nt1 fs5 = [src2], CxFltS7 - CxFltS5
|
|
mov bt1 = t7
|
|
;;
|
|
|
|
ldf.fill.nt1 fs6 = [src1], CxFltS8 - CxFltS6
|
|
ldf.fill.nt1 fs7 = [src2], CxFltS9 - CxFltS7
|
|
mov ar.lc = t8
|
|
;;
|
|
|
|
ldf.fill.nt1 fs8 = [src1], CxFltS10 - CxFltS8
|
|
ldf.fill.nt1 fs9 = [src2], CxFltS11 - CxFltS9
|
|
mov ar.ec = t9
|
|
;;
|
|
|
|
ldf.fill.nt1 fs10 = [src1], CxFltS12 - CxFltS10
|
|
ldf.fill.nt1 fs11 = [src2], CxFltS13 - CxFltS11
|
|
nop.i 0
|
|
;;
|
|
|
|
ldf.fill.nt1 fs12 = [src1], CxFltS14 - CxFltS12
|
|
ldf.fill.nt1 fs13 = [src2], CxFltS15 - CxFltS13
|
|
add loc6 = CxIntGp, a0
|
|
;;
|
|
|
|
ldf.fill.nt1 fs14 = [src1], CxFltS16 - CxFltS14
|
|
ldf.fill.nt1 fs15 = [src2], CxFltS17 - CxFltS15
|
|
add loc7 = CxIntT0, a0
|
|
;;
|
|
|
|
ldf.fill.nt1 fs16 = [src1], CxFltS18 - CxFltS16
|
|
ldf.fill.nt1 fs17 = [src2], CxFltS19 - CxFltS17
|
|
add t19 = CxRsRNAT, a0
|
|
;;
|
|
|
|
ldf.fill.nt1 fs18 = [src1]
|
|
ldf.fill.nt1 fs19 = [src2]
|
|
add t7 = CxStFPSR, a0
|
|
;;
|
|
|
|
ld8.nt1 loc8 = [t7] // load fpsr from context
|
|
ld8.nt1 loc5 = [t19] // load rnat from context
|
|
nop.i 0
|
|
|
|
ld8.fill.nt1 gp = [loc6], CxIntT1 - CxIntGp
|
|
ld8.fill.nt1 t0 = [loc7], CxIntS0 - CxIntT0
|
|
;;
|
|
|
|
ld8.fill.nt1 t1 = [loc6], CxIntS1 - CxIntT1
|
|
ld8.fill.nt1 s0 = [loc7], CxIntS2 - CxIntS0
|
|
;;
|
|
|
|
ld8.fill.nt1 s1 = [loc6], CxIntS3 - CxIntS1
|
|
ld8.fill.nt1 s2 = [loc7], CxIntV0 - CxIntS2
|
|
;;
|
|
|
|
ld8.fill.nt1 s3 = [loc6], CxIntTeb - CxIntS3
|
|
ld8.fill.nt1 v0 = [loc7], CxIntT2 - CxIntV0
|
|
;;
|
|
|
|
ld8.fill.nt1 teb = [loc6], CxIntT3 - CxIntTeb
|
|
ld8.fill.nt1 t2 = [loc7], CxIntSp - CxIntT2
|
|
;;
|
|
|
|
ld8.fill.nt1 t3 = [loc6], CxIntT4 - CxIntT3
|
|
ld8.fill.nt1 loc4 = [loc7], CxIntT5 - CxIntSp
|
|
;;
|
|
|
|
ld8.fill.nt1 t4 = [loc6], CxIntT6 - CxIntT4
|
|
ld8.fill.nt1 t5 = [loc7], CxIntT7 - CxIntT5
|
|
;;
|
|
|
|
ld8.fill.nt1 t6 = [loc6], CxIntT8 - CxIntT6
|
|
ld8.fill.nt1 t7 = [loc7], CxIntT9 - CxIntT7
|
|
;;
|
|
|
|
ld8.fill.nt1 t8 = [loc6], CxIntT10 - CxIntT8
|
|
ld8.fill.nt1 t9 = [loc7], CxIntT11 - CxIntT9
|
|
;;
|
|
|
|
ld8.fill.nt1 t10 = [loc6], CxIntT12 - CxIntT10
|
|
ld8.fill.nt1 t11 = [loc7], CxIntT13 - CxIntT11
|
|
;;
|
|
|
|
ld8.fill.nt1 t12 = [loc6], CxIntT14 - CxIntT12
|
|
ld8.fill.nt1 t13 = [loc7], CxIntT15 - CxIntT13
|
|
;;
|
|
|
|
ld8.fill.nt1 t14 = [loc6], CxIntT16 - CxIntT14
|
|
ld8.fill.nt1 t15 = [loc7], CxIntT17 - CxIntT15
|
|
;;
|
|
|
|
ld8.fill.nt1 t16 = [loc6], CxIntT18 - CxIntT16
|
|
ld8.fill.nt1 t17 = [loc7], CxIntT19 - CxIntT17
|
|
;;
|
|
|
|
ld8.fill.nt1 t18 = [loc6], CxIntT20 - CxIntT18
|
|
ld8.fill.nt1 t19 = [loc7], CxIntT21 - CxIntT19
|
|
;;
|
|
|
|
ld8.fill.nt1 t20 = [loc6], CxIntT22 - CxIntT20
|
|
ld8.fill.nt1 t21 = [loc7]
|
|
;;
|
|
|
|
rsm 1 << PSR_I
|
|
ld8.fill.nt1 t22 = [loc6]
|
|
;;
|
|
|
|
rsm 1 << PSR_IC
|
|
movl t0 = 1 << IFS_V
|
|
;;
|
|
|
|
mov ar.fpsr = loc8 // set fpsr
|
|
mov ar.unat = loc0
|
|
;;
|
|
|
|
srlz.d
|
|
or loc10 = t0, loc10 // set ifs valid bit
|
|
;;
|
|
|
|
mov cr.iip = loc9
|
|
mov cr.ifs = loc10
|
|
bsw.0
|
|
;;
|
|
|
|
mov cr.dcr = loc1
|
|
mov r17 = loc2 // put BSP in a shadow reg
|
|
or r16 = 0x3, loc3 // put RSE in eager mode
|
|
|
|
mov ar.rsc = r0 // put RSE in enforced lazy
|
|
nop.m 0
|
|
add r20 = CxStIPSR, a0
|
|
;;
|
|
|
|
ld8.nt1 r20 = [r20] // load IPSR
|
|
mov r18 = loc4 // put SP in a shadow reg
|
|
mov r19 = loc5 // put RNaTs in a shadow reg
|
|
;;
|
|
|
|
alloc t0 = 0, 0, 0, 0
|
|
mov cr.ipsr = r20
|
|
mov sp = r18
|
|
;;
|
|
|
|
loadrs
|
|
;;
|
|
mov ar.bspstore = r17
|
|
nop.i 0
|
|
;;
|
|
|
|
mov ar.rnat = r19 // set rnat register
|
|
mov ar.rsc = r16 // restore RSC
|
|
bsw.1
|
|
;;
|
|
|
|
LEAF_EXIT(RestoreAllRegs)
|
|
|
|
|
|
|
|
//--------------------------------------------------------------------
|
|
// Routine:
|
|
//
|
|
// VOID
|
|
// penter(
|
|
// VOID)
|
|
//
|
|
// Description:
|
|
//
|
|
// This function loads the return address and current address in to two
|
|
// parameter registers, then calls the C version (c_penter)
|
|
//
|
|
// Input:
|
|
//
|
|
// None
|
|
//
|
|
// Output:
|
|
//
|
|
// None
|
|
//
|
|
// Return value:
|
|
//
|
|
// None
|
|
//
|
|
//
|
|
//
|
|
//--------------------------------------------------------------------
|
|
|
|
LEAF_ENTRY(penter)
|
|
|
|
.regstk 0, 1, 2, 0
|
|
|
|
//
|
|
// This to be filled in when the compiler implements /Gh switch
|
|
//
|
|
|
|
br.call.sptk brp = c_penter
|
|
|
|
LEAF_EXIT(penter)
|