diff -r e1b950c65cb4 -r 837f303aceeb epoc32/include/arm_vfp.h --- a/epoc32/include/arm_vfp.h Wed Mar 31 12:27:01 2010 +0100 +++ /dev/null Thu Jan 01 00:00:00 1970 +0000 @@ -1,275 +0,0 @@ -// Copyright (c) 1995-2009 Nokia Corporation and/or its subsidiary(-ies). -// All rights reserved. -// This component and the accompanying materials are made available -// under the terms of the License "Symbian Foundation License v1.0" to Symbian Foundation members and "Symbian Foundation End User License Agreement v1.0" to non-members -// which accompanies this distribution, and is available -// at the URL "http://www.symbianfoundation.org/legal/licencesv10.html". -// -// Initial Contributors: -// Nokia Corporation - initial contribution. -// -// Contributors: -// -// Description: -// e32\include\arm_vfp.h -// -// - -#ifndef __ARM_VFP_H__ -#define __ARM_VFP_H__ -#include -#if defined(__CPU_ARM) && defined(__CPU_HAS_VFP) - -// MRCcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iii1 nnnn dddd pppp ttt1 mmmm -// MCRcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iii0 nnnn dddd pppp ttt1 mmmm -// CDPcccc pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iiii nnnn dddd pppp ttt0 mmmm -// CDP2 pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt -// 1111 1110 iiii nnnn dddd pppp ttt0 mmmm -// LDCcccc -// cccc 110P UNW1 nnnn dddd pppp oooo oooo -// STCcccc -// cccc 110P UNW0 nnnn dddd pppp oooo oooo -#define _MRC(cc,p,i,r,c,c2,t) asm("mrc"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t ) -#define _MCR(cc,p,i,r,c,c2,t) asm("mcr"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t ) -#define _CDP(cc,p,i,d,n,m,t) asm("cdp"#cc" p"#p", "#i", c"#d", c"#n", c"#m", "#t ) - -#define _MRC(cc,p,i,r,c,c2,t) asm("mrc"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t ) -#define _MCR(cc,p,i,r,c,c2,t) asm("mcr"#cc" p"#p", "#i", r"#r", c"#c", c"#c2", "#t ) -#define _CDPS(cc,p,i,d,n,m,t) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((p)<<8)|((i)<<20)|((t)<<5)| \ - (((d)>>1)<<12)|(((n)>>1)<<16)|((m)>>1)| \ - (((d)&1)<<22)|(((n)&1)<<7)|(((m)&1)<<5)| \ - 0x0e000000 )) - - -#define VFP_CPID_S 10 // coprocessor ID for single precision -#define VFP_CPID_D 11 // coprocessor ID for double precision - -#define VFP_XREG_FPSID 0 -#define VFP_XREG_FPSCR 1 -#define VFP_XREG_FPEXC 8 -#define VFP_XREG_FPINST 9 -#define VFP_XREG_FPINST2 10 - -#define VFP_FPSID_IMP_SHIFT 24 -#define VFP_FPSID_IMP_MASK (255u<=16) ? ((Dn)-16) : (Dn)) -#define _VFP_U(Dn) (((Dn)>=16) ? 1 : 0) -#define _VFP_D(Dn) (_VFP_U(Dn)<<22) -#define _VFP_N(Dn) (_VFP_U(Dn)<<7) - -#define VFP_FLDMIAX(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0c900b00 )) ) -#define VFP_FSTMIAX(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0c800b00 )) ) -#define VFP_FLDMIAXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0cb00b00 )) ) -#define VFP_FSTMIAXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0ca00b00 )) ) -#define VFP_FLDMDBXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0d300b00 )) ) -#define VFP_FSTMDBXW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(_VFP_DN(Dd)<<12)|(2*(N)+1)|_VFP_D(Dd)|0x0d200b00 )) ) - -#define VFP_FMDLR(cc,Dn,Rd) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e000b10 )) ) -#define VFP_FMDHR(cc,Dn,Rd) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e200b10 )) ) -#define VFP_FMRDL(cc,Rd,Dn) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e100b10 )) ) -#define VFP_FMRDH(cc,Rd,Dn) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rd)<<12)|(_VFP_DN(Dn)<<16)|_VFP_N(Dn)|0x0e300b10 )) ) - - -#ifdef __CPU_ARM_HAS_MCRR -#define VFP_FMRRD(cc,Rd,Rn,Dm) MRRCcc(cc,11,1,Rd,Rn,Dm) -#define VFP_FMDRR(cc,Dm,Rd,Rn) MCRRcc(cc,11,1,Rd,Rn,Dm) -#endif - -// MRCcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iii1 nnnn dddd pppp ttt1 mmmm -// MCRcccc Ppppp, iii, Rdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iii0 nnnn dddd pppp ttt1 mmmm -// CDPcccc pppp, iiii, Cdddd, Cnnnn, Cmmmm, ttt -// cccc 1110 iiii nnnn dddd pppp ttt0 mmmm -#define VFP_FABSD(cc,Dd,Dm) _CDP(cc,11,11,Dd,0,Dm,6) -#define VFP_FADDD(cc,Dd,Dn,Dm) _CDP(cc,11,3,Dd,Dn,Dm,0) -#define VFP_FCMPD(cc,Dd,Dm) _CDP(cc,11,11,Dd,4,Dm,2) -#define VFP_FCMPED(cc,Dd,Dm) _CDP(cc,11,11,Dd,4,Dm,6) -#define VFP_FCMPEZD(cc,Dd) _CDP(cc,11,11,Dd,5,0,6) -#define VFP_FCMPZD(cc,Dd) _CDP(cc,11,11,Dd,5,0,2) -#define VFP_FCPYD(cc,Dd,Dm) _CDP(cc,11,11,Dd,0,Dm,2) -#define VFP_FDIVD(cc,Dd,Dn,Dm) _CDP(cc,11,8,Dd,Dn,Dm,0) -#define VFP_FMACD(cc,Dd,Dn,Dm) _CDP(cc,11,0,Dd,Dn,Dm,0) -#define VFP_FMSCD(cc,Dd,Dn,Dm) _CDP(cc,11,1,Dd,Dn,Dm,0) -#define VFP_FMULD(cc,Dd,Dn,Dm) _CDP(cc,11,2,Dd,Dn,Dm,0) -#define VFP_FNEGD(cc,Dd,Dm) _CDP(cc,11,11,Dd,1,Dm,2) -#define VFP_FNMACD(cc,Dd,Dn,Dm) _CDP(cc,11,0,Dd,Dn,Dm,2) -#define VFP_FNMSCD(cc,Dd,Dn,Dm) _CDP(cc,11,1,Dd,Dn,Dm,2) -#define VFP_FNMULD(cc,Dd,Dn,Dm) _CDP(cc,11,2,Dd,Dn,Dm,2) -#define VFP_FSQRTD(cc,Dd,Dm) _CDP(cc,11,11,Dd,1,Dm,6) -#define VFP_FSUBD(cc,Dd,Dn,Dm) _CDP(cc,11,3,Dd,Dn,Dm,2) -#define VFP_FMSTAT(cc) _MRC(cc,10,7,15,1,0,0) - -#define _VFP_ADDR_U(off) ((off)>=0 ? 1 : 0) -#define _VFP_ADDR_O(off) ((off)>=0 ? (off) : -(off)) -#define VFP_FLDD(cc,Dd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Dd)<<12)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d100b00)) -#define VFP_FSTD(cc,Dd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Dd)<<12)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d000b00)) -#define VFP_FLDMIAD(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0c900b00 )) ) -#define VFP_FSTMIAD(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0c800b00 )) ) -#define VFP_FLDMIADW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0cb00b00 )) ) -#define VFP_FSTMIADW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0ca00b00 )) ) -#define VFP_FLDMDBDW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0d300b00 )) ) -#define VFP_FSTMDBDW(cc,Rn,Dd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|((Dd)<<12)|(2*(N))|0x0d200b00 )) ) - -#define VFP_FABSS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,0,Sm,6) -#define VFP_FADDS(cc,Sd,Sn,Sm) _CDPS(cc,10,3,Sd,Sn,Sm,0) -#define VFP_FCMPS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,8,Sm,2) -#define VFP_FCMPES(cc,Sd,Sm) _CDPS(cc,10,11,Sd,8,Sm,6) -#define VFP_FCMPEZS(cc,Sd) _CDPS(cc,10,11,Sd,11,0,6) -#define VFP_FCMPZS(cc,Sd) _CDPS(cc,10,11,Sd,10,0,2) -#define VFP_FCPYS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,0,Sm,2) -#define VFP_FDIVS(cc,Sd,Sn,Sm) _CDPS(cc,10,8,Sd,Sn,Sm,0) -#define VFP_FMACS(cc,Sd,Sn,Sm) _CDPS(cc,10,0,Sd,Sn,Sm,0) -#define VFP_FMSCS(cc,Sd,Sn,Sm) _CDPS(cc,10,1,Sd,Sn,Sm,0) -#define VFP_FMULS(cc,Sd,Sn,Sm) _CDPS(cc,10,2,Sd,Sn,Sm,0) -#define VFP_FNEGS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,2,Sm,2) -#define VFP_FNMACS(cc,Sd,Sn,Sm) _CDPS(cc,10,0,Sd,Sn,Sm,2) -#define VFP_FNMSCS(cc,Sd,Sn,Sm) _CDPS(cc,10,1,Sd,Sn,Sm,2) -#define VFP_FNMULS(cc,Sd,Sn,Sm) _CDPS(cc,10,2,Sd,Sn,Sm,2) -#define VFP_FSQRTS(cc,Sd,Sm) _CDPS(cc,10,11,Sd,3,Sm,6) -#define VFP_FSUBS(cc,Sd,Sn,Sm) _CDPS(cc,10,3,Sd,Sn,Sm,2) - -#define VFP_FLDS(cc,Sd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d100a00)) -#define VFP_FSTS(cc,Sd,Rn,off) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|((Rn)<<16)|(_VFP_ADDR_U(off)<<23)|_VFP_ADDR_O(off)|0x0d000a00)) -#define VFP_FLDMIAS(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0c900a00 )) ) -#define VFP_FSTMIAS(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0c800a00 )) ) -#define VFP_FLDMIASW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0cb00a00 )) ) -#define VFP_FSTMIASW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0ca00a00 )) ) -#define VFP_FLDMDBSW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0d300a00 )) ) -#define VFP_FSTMDBSW(cc,Rn,Sd,N) asm(".word %a0" : : "i" ((TInt)( ((cc)<<28)|((Rn)<<16)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(N)|0x0d200a00 )) ) - -#define VFP_FMSR(cc,Sn,Rd) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sn)>>1)<<16)|(((Sn)&1)<<7)|((Rd)<<12)|0x0e000a10)) -#define VFP_FMRS(cc,Rd,Sn) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sn)>>1)<<16)|(((Sn)&1)<<7)|((Rd)<<12)|0x0e100a10)) - -#define VFP_FCVTDS(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb70ac0)) -#define VFP_FCVTSD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0eb70bc0)) - -#define VFP_FSITOD(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb80bc0)) -#define VFP_FSITOS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0eb80ac0)) -#define VFP_FTOSID(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebd0b40)) -#define VFP_FTOSIZD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebd0bc0)) -#define VFP_FTOSIS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebd0a40)) -#define VFP_FTOSIZS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebd0ac0)) -#define VFP_FUITOD(cc,Dd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|((Dd)<<12)|0x0eb80b40)) -#define VFP_FUITOS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0eb80a40)) -#define VFP_FTOUID(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebc0b40)) -#define VFP_FTOUIZD(cc,Sd,Dm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|(Dm)|0x0ebc0bc0)) -#define VFP_FTOUIS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebc0a40)) -#define VFP_FTOUIZS(cc,Sd,Sm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((Sm)>>1)|(((Sm)&1)<<5)|(((Sd)>>1)<<12)|(((Sd)&1)<<22)|0x0ebc0ac0)) - -// VFPv3 -// conversion between floating point and fixed point -#define _VFP_VCVT_D(dp,d) ( (dp) ? ( (((d)>>4)<<22)|(((d)&0xf)<<12) ) : ( (((d)&1)<<22)|(((d)>>1)<<12) ) ) -#define _VFP_I_IMM4(sx,fbits) (((sx)==0 ? 16 : 32) - (fbits)) -#define _VFP_VCVT_FBITS(sx,fbits) ( ((_VFP_I_IMM4(sx,fbits)&1) <<5) | (_VFP_I_IMM4(sx,fbits)>>1) ) -#define VFP_VCT(cc,op,sf,U,sx,d,fbits) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|((op)<<18)|((U)<<16)|((sf)<<8)|((sx)<<7)|_VFP_VCVT_D(sf,d)|_VFP_VCVT_FBITS(sx,fbits)|0x0eba0a40)) -// from fixed to floating point -// S32=>F64 -#define VFP_VCT_F64_S32(cc,Dd,fbits) VFP_VCT((cc),0,1,0,1,(Dd),(fbits)) -// S32=>F32 -#define VFP_VCT_F32_S32(cc,Sd,fbits) VFP_VCT((cc),0,0,0,1,(Sd),(fbits)) -// from floating point to fix -// F64=>S32 -#define VFP_VCT_S32_F64(cc,Dd,fbits) VFP_VCT((cc),1,1,0,1,(Dd),(fbits)) -// F32=>S32 -#define VFP_VCT_S32_F32(cc,Sd,fbits) VFP_VCT((cc),1,0,0,1,(Sd),(fbits)) - - -// put immediate value to the register -// single_register=(sz==0) -// imm (abcdefgh) -/* - bcd 000 001 010 011 100 101 110 111 -efgh -0000 2.0 4.0 8.0 16.0 0.125 0.25 0.5 1.0 -0001 2.125 4.25 8.5 17.0 0.1328125 0.265625 0.53125 1.0625 -0010 2.25 4.5 9.0 18.0 0.140625 0.28125 0.5625 1.125 -0011 2.375 4.75 9.5 19.0 0.1484375 0.296875 0.59375 1.1875 -0100 2.5 5.0 10.0 20.0 0.15625 0.3125 0.625 1.25 -0101 2.625 5.25 10.5 21.0 0.1640625 0.328125 0.65625 1.3125 -0110 2.75 5.5 11.0 22.0 0.171875 0.34375 0.6875 1.375 -0111 2.875 5.75 11.5 23.0 0.1796875 0.359375 0.71875 1.4375 -1000 3.0 6.0 12.0 24.0 0.1875 0.375 0.75 1.5 -1001 3.125 6.25 12.5 25.0 0.1953125 0.390625 0.78125 1.5625 -1010 3.25 6.5 13.0 26.0 0.203125 0.40625 0.8125 1.625 -1011 3.375 6.75 13.5 27.0 0.2109375 0.421875 0.84375 1.6875 -1100 3.5 7.0 14.0 28.0 0.21875 0.4375 0.875 1.75 -1101 3.625 7.25 14.5 29.0 0.2265625 0.453125 0.90625 1.8125 -1110 3.75 7.5 15.0 30.0 0.234375 0.46875 0.9375 1.875 -1111 3.875 7.75 15.5 31.0 0.2421875 0.484375 0.96875 1.9375 -*/ - -#define VFP_VMOV_IMM(cc,sz,d,imm) asm(".word %a0" : : "i" ((TInt) ((cc)<<28)|(((imm)>>4)<<16)|((imm)&0xf)|(sz)<<8|((sz)?((((d)>>4)<<22)|(((d)&0xf)<<12)):((((d)&1)<<22)|(((d)>>1)<<12)))|0x0eb00a00)) - -#endif -#endif