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ueforth/esp32/xtensa-assembler.fs
Brad Nelson 6b597aebc2 More xtensa assembler improvements.
2022-10-21 23:06:36 -07:00

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\ Copyright 2022 Bradley D. Nelson
\
\ Licensed under the Apache License, Version 2.0 (the "License");
\ you may not use this file except in compliance with the License.
\ You may obtain a copy of the License at
\
\ http://www.apache.org/licenses/LICENSE-2.0
\
\ Unless required by applicable law or agreed to in writing, software
\ distributed under the License is distributed on an "AS IS" BASIS,
\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
\ See the License for the specific language governing permissions and
\ limitations under the License.
( Lazy loaded xtensa assembler )
: xtensa-assembler r|
current @
also assembler definitions
vocabulary xtensa xtensa definitions
16 names a0 a1 a2 a3 a4 a5 a6 a7 a8 a9 a10 a11 a12 a13 a14 a15
: nop ;
: reg. ( n -- ) base @ >r decimal ." a" . r> base ! ;
: register ( -- in print ) ['] nop ['] reg. ;
: numeric ( -- in print ) ['] nop ['] . ;
numeric operand im
: imm4 im im im im ;
: imm8 imm4 imm4 ;
: imm12 imm4 imm4 imm4 ;
: imm16 imm8 imm8 ;
: sr imm8 ;
( Offsets for J )
: >ofs ( n -- n ) chere - 4 - ;
: ofs. ( n -- ) 18 sextend address @ + 4 + . ;
' >ofs ' ofs. operand ofs
: offset 18 for aft ofs then next ;
( Frame size of ENTRY )
: >entry12 ( n -- n ) 3 rshift ;
: entry12. ( n -- ) 3 lshift . ;
' >entry12 ' entry12. operand entry12'
: entry12 12 for aft entry12' then next ;
: >sa ( n -- n ) 32 swap - ;
: sa. ( n -- ) 32 swap - . ;
' >sa ' sa. operand sa
numeric operand x : xxxx x x x x ;
numeric operand i : iiii i i i i ;
numeric operand w
numeric operand y
numeric operand b : bbbb b b b b ;
register operand r : rrrr r r r r ;
register operand s : ssss s s s s ;
register operand t : tttt t t t t ;
imm4 ssss tttt l o o o OP L32I.N,
imm4 ssss tttt l o o l OP S32I.N,
rrrr ssss tttt l o l o OP ADD.N,
rrrr ssss imm4 l o l l OP ADDI.N,
iiii ssss l o i i l l o o OP BEQZ.N,
iiii ssss l l i i l l o o OP BNEZ.N,
iiii ssss o i i i l l o o OP MOVI.N,
o o o o ssss tttt l l o l OP MOV.N,
l l l l ssss o o l o l l o l OP BREAK.N,
l l l l o o o o o o o o l l o l OP RET.N,
l l l l o o o o o o o l l l o l OP RETW.N,
l l l l o o o o o o l l l l o l OP NOP.N,
l l l l o o o o o l l o l l o l OP ILL.N,
o o o o o o o o o o o o o o o o o o o o o o o o OP ILL,
o o o o o o o o o o o o o o o o l o o o o o o o OP RET,
o o o o o o o o o o o o o o o o l o o l o o o o OP RETW,
o o o o o o o o o o l o o o o o o o o o o o o o OP ISYNC,
o o o o o o o o o o l o o o o o o o o l o o o o OP RSYNC,
o o o o o o o o o o l o o o o o o o l o o o o o OP ESYNC,
o o o o o o o o o o l o o o o o o o l l o o o o OP DSYNC,
o o o o o o o o o o l o o o o o l o o o o o o o OP EXCW,
o o o o o o o o o o l o o o o o l l o o o o o o OP MEMW,
o o o o o o o o o o l o o o o o l l o l o o o o OP EXTW,
o o o o o o o o o o l o o o o o l l l l o o o o OP NOP,
o o o o o o o o o o l l o o o o o o o o o o o o OP RFE,
o o o o o o o o o o l l o o o o o o l o o o o o OP RFME,
o o o o o o o o o o l l o o o l o o o o o o o o OP RFUE,
o o o o o o o o o o l l o o l o o o o o o o o o OP RFDE,
o o o o o o o o o o l l o l o o o o o o o o o o OP RFWO,
o o o o o o o o o o l l o l o l o o o o o o o o OP RFWU,
o o o o o o o o o l o l o o o o o o o o o o o o OP SYSCALL,
o o o o o o o o o l o l o o o l o o o o o o o o OP SIMCALL,
l l l l o o o l l l l o o o o s o o o l o o o o OP RFDD,
l l l l o o o l l l l o o o o o o o o o o o o o OP RFDO,
o l l o o o o o rrrr o o o o tttt o o o o OP NEG,
o l l o o o o o rrrr o o o l tttt o o o o OP ABS,
o l l o o o o l sr tttt o o o o OP XSR,
: ALU 4 bits o o o o rrrr ssss tttt o o o o OP ;
$1 ALU AND, $2 ALU OR, $3 ALU XOR,
( $6 ABS/NEG )
$8 ALU ADD, $9 ALU ADDX2, $a ALU ADDX4, $b ALU ADDX8,
$c ALU SUB, $d ALU SUBX2, $e ALU SUBX4, $f ALU SUBX8,
: ANYALL o o o o o o o o l o 2 bits ssss tttt o o o o OP ;
$0 ANYALL ANY4, $1 ANYALL ALL4, $2 ANYALL ANY8, $3 ANYALL ALL8,
: ALU2 4 bits o o l o rrrr ssss tttt o o o o OP ;
$0 ALU2 ANDB, $1 ALU2 ANDBC, $2 ALU2 ORB, $3 ALU2 ORBC,
$4 ALU2 XORB,
$8 ALU2 MULL, $a ALU2 MULUH, $b ALU2 MULSH,
$c ALU2 QUOU, $d ALU2 QUOS, $e ALU2 REMU, $f ALU2 REMS,
: BRANCH1 imm8 4 bits ssss tttt o l l l OP ;
$0 BRANCH1 BNONE, $1 BRANCH1 BEQ, $2 BRANCH1 BLT, $3 BRANCH1 BLTU,
$4 BRANCH1 BALL, $5 BRANCH1 BBC,
imm8 o l l b ssss bbbb o l l l OP BBCI,
$8 BRANCH1 BANY, $9 BRANCH1 BNE, $a BRANCH1 BGE, $b BRANCH1 BGEU,
$c BRANCH1 BNALL, $d BRANCH1 BBS,
imm8 l l l b ssss bbbb o l l l OP BBSI,
: BRANCH2 imm12 ssss 4 bits o l l o OP ;
: BRANCH2a imm8 rrrr ssss 4 bits o l l o OP ;
: BRANCH2e entry12 ssss 4 bits o l l o OP ;
( $0 J, ) $1 BRANCH2 BEQZ, $2 BRANCH2a BEQI, $3 BRANCH2e ENTRY,
( $4 J, ) $5 BRANCH2 BNEZ, $6 BRANCH2a BNEI, ( BRANCH2b's )
( $8 J, ) $9 BRANCH2 BLTZ, $a BRANCH2a BLTI, $b BRANCH2a BLTUI,
( $c J, ) $d BRANCH2 BGEZ, $e BRANCH2a BGEI, $f BRANCH2a BGEUI,
offset o o o l l o OP J,
: BRANCH2b imm8 4 bits ssss o l l l o l l o OP ;
$0 BRANCH2b BF, $1 BRANCH2b BT,
$8 BRANCH2b LOOP, $9 BRANCH2b LOOPNEZ, $a BRANCH2b LOOPGTZ,
: CALLOP offset 2 bits o l o l OP ;
0 CALLOP CALL0, 1 CALLOP CALL4, 2 CALLOP CALL8, 3 CALLOP CALL12,
: CALLXOP o o o o o o o o o o o o ssss l l 2 bits o o o o OP ;
0 CALLXOP CALLX0, 1 CALLXOP CALLX4, 2 CALLXOP CALLX8, 3 CALLXOP CALLX12,
o o o o o o o o o l o o ssss tttt o o o o OP BREAK,
o o l l o o l l rrrr ssss tttt o o o o OP CLAMPS,
: CACHING1 imm8 o l l l ssss 4 bits o o l o OP ;
$0 CACHING1 DPFR, $1 CACHING1 DPFW, $2 CACHING1 DPFRO, $3 CACHING1 DPFWO,
$4 CACHING1 DHWB, $5 CACHING1 DHWBI, $6 CACHING1 DHI, $7 CACHING1 DII,
( $8 CACHING2 ) ( ?? ) ( ?? ) ( ?? )
$c CACHING1 IPF, ( $d CACHING2 ) $e CACHING1 IHI, $f CACHING1 III,
: CACHING2 imm4 4 bits o l l l ssss 4 bits o o l o OP ;
$0 $8 CACHING2 DPFL, $2 $8 CACHING2 DHU, $3 $8 CACHING2 DIU,
$4 $8 CACHING2 DIWB, $5 $8 CACHING2 DIWBI,
$0 $d CACHING2 IPFL, $2 $d CACHING2 IHU, $3 $d CACHING2 IIU,
iiii iiii l o l o iiii tttt o o l o OP MOVI,
: LDSTORE imm8 4 bits ssss tttt o o l o OP ;
$0 LDSTORE L8UI, $1 LDSTORE L16UI, $2 LDSTORE L32I, ( $3 CACHING )
$4 LDSTORE S8I, $5 LDSTORE S16I, $6 LDSTORE S32I,
$9 LDSTORE L16SI, ( $a MOVI ) $b LDSTORE L32AI,
$c LDSTORE ADDI, $d LDSTORE ADDMI, $e LDSTORE S32C1I, $f LDSTORE S32RI,
o l o o l o o l rrrr ssss tttt o o o o OP S32E,
\ TODO: EXTUI
imm16 tttt o o o l OP L32R,
l o o l o o o o o o w w ssss o o o o o l o o OP LDDEC,
l o o o o o o o o o w w ssss o o o o o l o o OP LDINC,
imm8 o o o o ssss tttt o o l l OP LSI,
imm8 l o o o ssss tttt o o l l OP LSIU,
o l o l o o o o l l o o ssss o o o o o o o o OP IDTLB,
o l o l o o o o o l o o ssss o o o o o o o o OP IITLB,
o o o o o o o o o o o o ssss l o l o o o o o OP JX,
l l l l o o o l l o o o ssss tttt o o o o OP LDCT,
l l l l o o o l o o o o ssss tttt o o o o OP LICT,
l l l l o o o l o o l o ssss tttt o o o o OP LICW,
o o o o l o o l rrrr ssss tttt o o o o OP L32E,
o o o o l o o o rrrr ssss tttt o o o o OP LSX,
o o o l l o o o rrrr ssss tttt o o o o OP LSXU,
o o l o o o o o rrrr ssss tttt o o o o OP MOV,
: CONDOP 4 bits o o l l rrrr ssss tttt o o o o OP ;
$4 CONDOP MIN, $5 CONDOP MAX, $6 CONDOP MINU, $7 CONDOP MAXU,
$8 CONDOP MOVEQZ, $9 CONDOP MOVNEZ, $a CONDOP MOVLTZ, $b CONDOP MOVGEZ,
$c CONDOP MOVF,
: ALU.S 4 bits l o l o rrrr ssss tttt o o o o OP ;
$0 ALU.S ADD.S, $1 ALU.S SUB.S, $2 ALU.S MUL.S,
$4 ALU.S MADD.S, $5 ALU.S MSUB.S,
$8 ALU.S ROUND.S, $9 ALU.S TRUNC.S, $a ALU.S FLOOR.S, $b ALU.S CEIL.S,
$c ALU.S FLOAT.S, $d ALU.S UFLOAT.S, $e ALU.S UTRUNC.S,
: ALU2.S l l l l l o l o rrrr ssss 4 bits o o o o OP ;
$0 ALU2.S MOV.S, $1 ALU2.S ABS.S,
$4 ALU2.S RFR, $5 ALU2.S WFR, $6 ALU2.S NEG.S,
: CMPSOP 4 bits l o l l rrrr ssss tttt o o o o OP ;
$1 CMPSOP UN.S, $2 CMPSOP OEQ.S, $3 CMPSOP UEQ.S,
$4 CMPSOP OLT.S, $5 CMPSOP ULT.S, $6 CMPSOP OLE.S, $7 CMPSOP ULE.S,
$8 CMPSOP MOVEQZ.S, $9 CMPSOP MOVNEZ.S, $a CMPSOP MOVLTZ.S, $b CMPSOP MOVGEZ.S,
$c CMPSOP MOVF.S, $d CMPSOP MOVT.S,
o o o o o o o o o o o l ssss tttt o o o o OP MOVSP,
l l o l o o l l rrrr ssss tttt o o o o OP MOVT,
: MUL.AA o l l l o l 2 bits o o o o ssss tttt o l o o OP ;
0 MUL.AA MUL.AA.LL, 1 MUL.AA MUL.AA.HL, 2 MUL.AA MUL.AA.LH, 3 MUL.AA MUL.AA.HH,
: MUL.AD o l l l o l 2 bits o o o o ssss o y o o o l o o OP ;
0 MUL.AD MUL.AD.LL, 1 MUL.AD MUL.AD.HL, 2 MUL.AD MUL.AD.LH, 3 MUL.AD MUL.AD.HH,
: MUL.DA o l l o o l 2 bits o x o o o o o o tttt o l o o OP ;
0 MUL.DA MUL.DA.LL, 1 MUL.DA MUL.DA.HL, 2 MUL.DA MUL.DA.LH, 3 MUL.DA MUL.DA.HH,
: MUL.DD o o l o o l 2 bits o x o o o o o o o y o o o l o o OP ;
0 MUL.DD MUL.DD.LL, 1 MUL.DD MUL.DD.HL, 2 MUL.DD MUL.DD.LH, 3 MUL.DD MUL.DD.HH,
l l o l o o o l rrrr ssss tttt o o o o OP MUL16S,
l l o o o o o l rrrr ssss tttt o o o o OP MUL16U,
: MULA.AA o l l l l o 2 bits ssss tttt o l o o OP ;
0 MULA.AA MULA.AA.LL, 1 MULA.AA MULA.AA.HL, 2 MULA.AA MULA.AA.LH, 3 MULA.AA MULA.AA.HH,
: MULA.AD o o l l l o 2 bits ssss tttt o l o o OP ;
0 MULA.AD MULA.AD.LL, 1 MULA.AD MULA.AD.HL, 2 MULA.AD MULA.AD.LH, 3 MULA.AD MULA.AD.HH,
: MULA.DA o l l o l o 2 bits o x o o o o o o tttt o l o o OP ;
0 MULA.DA MULA.DA.LL, 1 MULA.DA MULA.DA.HL, 2 MULA.DA MULA.DA.LH, 3 MULA.DA MULA.DA.HH,
: MULA.DA.LDDEC o l o l l o 2 bits o x o o o o o o tttt o l o o OP ;
0 MULA.DA.LDDEC MULA.DA.LL.LDDEC, 1 MULA.DA.LDDEC MULA.DA.HL.LDDEC,
2 MULA.DA.LDDEC MULA.DA.LH.LDDEC, 3 MULA.DA.LDDEC MULA.DA.HH.LDDEC,
: MULA.DA.LDINC o l o o l o 2 bits o x w o o o o o tttt o l o o OP ;
0 MULA.DA.LDINC MULA.DA.LL.LDINC, 1 MULA.DA.LDINC MULA.DA.HL.LDINC,
2 MULA.DA.LDINC MULA.DA.LH.LDINC, 3 MULA.DA.LDINC MULA.DA.HH.LDINC,
: MULA.DD o o l o l o 2 bits o x o o o o o o o y o o o l o o OP ;
0 MULA.DD MULA.DD.LL, 1 MULA.DD MULA.DD.HL, 2 MULA.DD MULA.DD.LH, 3 MULA.DD MULA.DD.HH,
: MULA.DD.LDDEC o o o l l o 2 bits o x w w o o o o tttt o l o o OP ;
0 MULA.DD.LDDEC MULA.DD.LL.LDDEC, 1 MULA.DD.LDDEC MULA.DD.HL.LDDEC,
2 MULA.DD.LDDEC MULA.DD.LH.LDDEC, 3 MULA.DD.LDDEC MULA.DD.HH.LDDEC,
: MULA.DD.LDINC o o o o l o 2 bits o x w w o o o o tttt o l o o OP ;
0 MULA.DD.LDINC MULA.DD.LL.LDINC, 1 MULA.DD.LDINC MULA.DD.HL.LDINC,
2 MULA.DD.LDINC MULA.DD.LH.LDINC, 3 MULA.DD.LDINC MULA.DD.HH.LDINC,
: MULS.AA o l l l l o 2 bits o o o o ssss tttt o l o o OP ;
0 MULS.AA MULA.AA.LL, 1 MULS.AA MULA.AA.HL, 2 MULS.AA MULA.AA.LH, 3 MULS.AA MULA.AA.HH,
: MULS.AD o o l l l o 2 bits o o o o ssss o y o o o l o o OP ;
0 MULS.AD MULA.AD.LL, 1 MULS.AD MULA.AD.HL, 2 MULS.AD MULA.AD.LH, 3 MULS.AD MULA.AD.HH,
: MULS.DA o l l o l o 2 bits o x o o o o o o tttt o l o o OP ;
0 MULS.DA MULA.DA.LL, 1 MULS.DA MULA.DA.HL, 2 MULS.DA MULA.DA.LH, 3 MULS.DA MULA.DA.HH,
: MULS.DD o o l o l o 2 bits o x o o o o o o o y o o o l o o OP ;
0 MULS.DD MULA.DD.LL, 1 MULS.DD MULA.DD.HL, 2 MULS.DD MULA.DD.LH, 3 MULS.DD MULA.DD.HH,
o l o o o o o o l l l o ssss tttt o o o o OP NSA,
o l o o o o o o l l l l ssss tttt o o o o OP NSAU,
o l o l o o o o l l o l ssss tttt o o o o OP PDTLB,
o l o l o o o o o l o l ssss tttt o o o o OP PITLB,
o l o l o o o o l o l l ssss tttt o o o o OP RDTLB0,
o l o l o o o o l l l l ssss tttt o o o o OP RDTLB1,
o l o o o o o o o l l o ssss tttt o o o o OP RER,
o l o l o o o o o o l l ssss tttt o o o o OP RITLB0,
o l o l o o o o o l l l ssss tttt o o o o OP RITLB1,
o l o o o o o o l o o o o o o o imm4 o o o o OP ROTW,
o o o o o o o o o o l l imm4 o o o l o o o o OP RFI,
o o o o o o o o o l l o imm4 tttt o o o o OP RSIL,
o o o o o o l l sr tttt o o o o OP RSR,
l l l o o o l l rrrr ssss tttt o o o o OP RUR,
l l l l o o o l l o o l ssss tttt o o o o OP SDCT,
o o l o o o l l rrrr ssss tttt o o o o OP SEXT,
l l l l o o o l o o o l ssss tttt o o o o OP SICT,
l l l l o o o l o o l l ssss tttt o o o o OP SICW,
l o l o o o o l rrrr ssss o o o o o o o o OP SLL,
o o o sa o o o l rrrr ssss sa sa sa sa o o o o OP SLLI,
l o l l o o o l rrrr o o o o tttt o o o o OP SRA,
o o l x o o o l rrrr xxxx tttt o o o o OP SRAI,
l o o o o o o l rrrr ssss tttt o o o o OP SRC,
l o o l o o o l rrrr o o o o tttt o o o o OP SRL,
o l o o o o o l rrrr xxxx tttt o o o o OP SRLI,
o l o o o o o o o o l l ssss o o o o o o o o OP SSA8B,
o l o o o o o o o o l o ssss o o o o o o o o OP SSA8L,
o l o o o o o o o l o o xxxx o o o x o o o o OP SSAI,
imm8 o l o o ssss tttt o o l l OP SSI,
imm8 l l o o ssss tttt o o l l OP SSIU,
o l o o o o o o o o o l ssss o o o o o o o o OP SSL,
o l o o o o o o o o o o ssss o o o o o o o o OP SSR,
o l o o l o o o rrrr ssss tttt o o o o OP SSX,
o l o l l o o o rrrr ssss tttt o o o o OP SSXU,
( TODO: UMUL.AA.* )
o o o o o o o o o l l l imm4 o o o o o o o o OP WAITI,
o l o l o o o o l l l o ssss tttt o o o o OP WDTLB,
o l o o o o o o o l l l ssss tttt o o o o OP WER,
o l o l o o o o o l l o ssss tttt o o o o OP WITLB,
o o o l o o l l sr tttt o o o o OP WSR,
l l l l o o l l sr tttt o o o o OP WUR,
also forth definitions
: xtensa-assembler xtensa ;
previous previous
xtensa-assembler
current !
| evaluate ;
[THEN]
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