Initial revision
This commit is contained in:
ceriel
parent
e10e56542d
commit
59de9303c5
15
mach/pdp/as/mach0.c
Normal file
15
mach/pdp/as/mach0.c
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#define RCSID0 "$Header$"
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/*
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* PDP 11 machine dependent options
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*/
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#define THREE_PASS
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#define WORDS_REVERSED
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#define LISTING
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#define RELOCATION
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#undef ALIGNWORD
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#define ALIGNWORD 2
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#undef ALIGNSECT
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#define ALIGNSECT 2
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35
mach/pdp/as/mach1.c
Normal file
35
mach/pdp/as/mach1.c
Normal file
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#define RCSID1 "$Header$"
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#
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/*
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* PDP 11 Machine dependent C declarations
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*/
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/* Addressing modes */
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#define RMODE 00
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#define AIMODE 020
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#define ADMODE 040
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#define INDMODE 060
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#define RDEFMODE 010
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#define AIDEFMODE 030
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#define ADDEFMODE 050
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#define INDDEFMODE 070
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#define OPLDF 0172400
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#define OPSTF 0174000
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#define OPSOB 077000
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#define OPBRA 0400
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#define low3(z) (((short) z) & 07)
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#define low6(z) (((short) z) & 077)
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#define low7(z) (((short) z) & 0177)
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#define fit3(z) (low3(z) == (z))
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#define fit6(z) (low6(z) == (z))
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#define fit8(z) (lowb(z) == (z))
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extern expr_t exp_1, exp_2;
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extern int rel_1, rel_2;
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extern int im1flag INIT(0);
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extern int im2flag INIT(0);
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extern valu_t adjust();
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36
mach/pdp/as/mach2.c
Normal file
36
mach/pdp/as/mach2.c
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@ -0,0 +1,36 @@
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#define RCSID2 "$Header$"
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/*
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* PDP 11 machine dependent yacc declarations
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*/
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%token <y_word> REG
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%token <y_word> FREG
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%token <y_word> FRSP
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%token <y_word> JMP
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%token <y_word> OP_SO
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%token <y_word> OP_DO
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%token <y_word> OP_R_SO
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%token <y_word> BR
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%token <y_word> EJMP
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%token <y_word> JSR
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%token <y_word> RTS
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%token <y_word> MARK
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%token <y_word> SOB
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%token <y_word> SPL
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%token <y_word> TRAP
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%token <y_word> OP_NO
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%token <y_word> OP_SO_R
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%token <y_word> MFP
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%token <y_word> FOP_FSO_FR
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%token <y_word> FOP_NO
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%token <y_word> FOP_FSO
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%token <y_word> FOP_SO
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%token <y_word> MOVF
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%token <y_word> FOP_SO_FR
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%token <y_word> FOP_FR_SO
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%token <y_word> FOP_FR_FSO
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%token <y_word> CLEARCC
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%token <y_word> SETCC
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%type <y_word> opr1, opr2, op2, fopr2, fopr1, ari, ainc, adec
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%type <y_word> fop2, clcc, secc, fregister
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152
mach/pdp/as/mach3.c
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152
mach/pdp/as/mach3.c
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#define RCSID3 "$Header$"
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/*,
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* PDP 11 keywords,
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*/
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0, REG, 00, "r0",
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0, REG, 01, "r1",
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0, REG, 02, "r2",
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0, REG, 03, "r3",
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0, REG, 04, "r4",
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0, REG, 05, "r5",
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0, REG, 06, "r6",
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0, REG, 06, "sp",
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0, REG, 07, "r7",
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0, REG, 07, "pc",
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0, FREG, 00, "fr0",
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0, FREG, 01, "fr1",
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0, FREG, 02, "fr2",
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0, FREG, 03, "fr3",
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0, FRSP, 04, "fr4",
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0, FRSP, 05, "fr5",
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0, OP_SO, 05000, "clr",
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0, OP_SO, 0105000, "clrb",
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0, OP_SO, 05100, "com",
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0, OP_SO, 0105100, "comb",
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0, OP_SO, 005200, "inc",
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0, OP_SO, 0105200, "incb",
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0, OP_SO, 005300, "dec",
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0, OP_SO, 0105300, "decb",
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0, OP_SO, 005400, "neg",
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0, OP_SO, 0105400, "negb",
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0, OP_SO, 005700, "tst",
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0, OP_SO, 0105700, "tstb",
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0, OP_SO, 006200, "asr",
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0, OP_SO, 0106200, "asrb",
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0, OP_SO, 006300, "asl",
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0, OP_SO, 0106300, "aslb",
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0, OP_SO, 006000, "ror",
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0, OP_SO, 0106000, "rorb",
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0, OP_SO, 006100, "rol",
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0, OP_SO, 0106100, "rolb",
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0, OP_SO, 000300, "swab",
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0, OP_SO, 005500, "adc",
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0, OP_SO, 0105500, "adcb",
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0, OP_SO, 005600, "sbc",
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0, OP_SO, 0105600, "sbcb",
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0, OP_SO, 006700, "sxt",
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0, OP_SO, 0100, "jmp",
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0, OP_DO, 010000, "mov",
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0, OP_DO, 0110000, "movb",
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0, OP_DO, 020000, "cmp",
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0, OP_DO, 0120000, "cmpb",
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0, OP_DO, 060000, "add",
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0, OP_DO, 0160000, "sub",
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0, OP_DO, 030000, "bit",
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0, OP_DO, 0130000, "bitb",
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0, OP_DO, 040000, "bic",
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0, OP_DO, 0140000, "bicb",
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0, OP_DO, 050000, "bis",
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0, OP_DO, 0150000, "bisb",
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0, OP_R_SO, 074000, "xor",
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0, JMP, 0100, "jmp",
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0, BR, 0400, "br",
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0, BR, 01000, "bne",
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0, BR, 01400, "beq",
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0, BR, 0100000, "bpl",
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0, BR, 0100400, "bmi",
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0, BR, 0102000, "bvc",
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0, BR, 0102400, "bvs",
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0, BR, 0103000, "bcc",
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0, BR, 0103400, "bcs",
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0, BR, 002000, "bge",
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0, BR, 002400, "blt",
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0, BR, 003000, "bgt",
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0, BR, 003400, "ble",
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0, BR, 0101000, "bhi",
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0, BR, 0101400, "blos",
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0, BR, 0103000, "bhis",
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0, BR, 0103400, "blo",
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0, EJMP, 0400, "jbr",
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0, EJMP, 01000, "jne",
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0, EJMP, 01400, "jeq",
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0, EJMP, 0100000, "jpl",
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0, EJMP, 0100400, "jmi",
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0, EJMP, 0102000, "jvc",
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0, EJMP, 0102400, "jvs",
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0, EJMP, 0103000, "jcc",
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0, EJMP, 0103400, "jcs",
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0, EJMP, 02000, "jge",
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0, EJMP, 02400, "jlt",
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0, EJMP, 03000, "jgt",
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0, EJMP, 03400, "jle",
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0, EJMP, 0101000, "jhi",
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0, EJMP, 0101400, "jlos",
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0, EJMP, 0103000, "jhis",
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0, EJMP, 0103400, "jlo",
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0, JSR, 004000, "jsr",
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0, RTS, 000200, "rts",
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0, MARK, 006400, "mark",
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0, SOB, 077000, "sob",
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0, SPL, 0230, "spl",
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0, TRAP, 0104000, "emt",
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0, TRAP, 0104400, "trap",
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0, TRAP, 0104400, "sys",
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0, OP_NO, 03, "bpt",
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0, OP_NO, 04, "iot",
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0, OP_NO, 02, "rti",
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0, OP_NO, 06, "rtt",
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0, OP_NO, 0, "halt",
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0, OP_NO, 01, "wait",
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0, OP_NO, 05, "reset",
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0, OP_NO, 0170000, "cfcc",
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0, OP_NO, 0170002, "seti",
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0, OP_NO, 0170012, "setl",
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0, OP_NO, 0170001, "setf",
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0, OP_NO, 0170011, "setd",
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0, CLEARCC, 0241, "clc",
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0, CLEARCC, 0242, "clv",
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0, CLEARCC, 0244, "clz",
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0, CLEARCC, 0250, "cln",
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0, SETCC, 0261, "sec",
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0, SETCC, 0262, "sev",
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0, SETCC, 0264, "sez",
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0, SETCC, 0270, "sen",
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0, OP_SO_R, 070000, "mul",
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0, OP_SO_R, 071000, "div",
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0, OP_SO_R, 072000, "ash",
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0, OP_SO_R, 073000, "ashc",
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0, MFP, 006500, "mfpi",
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0, MFP, 0106500, "mfpd",
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0, MFP, 006600, "mtpi",
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0, MFP, 0106600, "mtpd",
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0, FOP_FSO_FR, 0172000, "addf",
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0, FOP_FSO_FR, 0173000, "subf",
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0, FOP_FSO_FR, 0171000, "mulf",
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0, FOP_FSO_FR, 0174600, "divf",
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0, FOP_FSO_FR, 0173600, "cmpf",
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0, FOP_FSO_FR, 0171600, "modf",
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0, FOP_FSO, 0170400, "clrf",
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0, FOP_FSO, 0070700, "negf",
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0, FOP_FSO, 0170600, "absf",
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0, FOP_FSO, 0170500, "tstf",
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0, FOP_SO, 0170100, "ldfps",
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0, FOP_SO, 0170200, "stfps",
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0, FOP_SO, 0170300, "stst",
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0, MOVF, 0, "movf",
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0, FOP_SO_FR, 0177000, "movif",
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0, FOP_SO_FR, 0176400, "movie",
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0, FOP_FR_SO, 0175400, "movfi",
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0, FOP_FR_SO, 0175000, "movei",
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0, FOP_FSO_FR, 0177400, "movof",
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0, FOP_FR_FSO, 0176000, "movfo",
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163
mach/pdp/as/mach4.c
Normal file
163
mach/pdp/as/mach4.c
Normal file
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@ -0,0 +1,163 @@
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#define RCSID4 "$Header$"
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/*
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* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
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*
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* This product is part of the Amsterdam Compiler Kit.
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*
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* Permission to use, sell, duplicate or disclose this software must be
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* obtained in writing. Requests for such permissions may be sent to
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*
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* Dr. Andrew S. Tanenbaum
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* Wiskundig Seminarium
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* Vrije Universiteit
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* Postbox 7161
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* 1007 MC Amsterdam
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* The Netherlands
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*
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*/
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/*
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* PDP 11 dependent yacc table
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*/
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operation
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: OP_SO opr1
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{ emit2( $1 | $2 ); op1($2); }
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| OP_DO opr1 ',' opr2
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{ emit2( $1 | ($2 << 6) | $4); op1($2); op2($4);}
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| OP_R_SO REG ',' opr1
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{ emit2( $1 | ($2 << 6) | $4); op1($4); }
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| BR expr
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{ branch( $1, $2); }
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| EJMP expr
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{ ejump( $1, $2); }
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| JMP opr1
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{ jump( $1, $2); }
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| JSR REG ',' opr1
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{ emit2( $1 | ($2 << 6) | $4); op1($4); }
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| RTS REG
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{ emit2($1 | $2); }
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| MARK absexp
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{ fit(fit6($2)); emit2($1 | $2); }
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| SOB REG ',' expr
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{ sob($2, $4); }
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| SPL absexp
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{ fit(fit3($2)); emit2( $1 | $2 ); }
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| TRAP absexp
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{ fit(fit8($2)); emit2( $1 | $2 ); }
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| OP_NO
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{emit2($1); }
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| clcc
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{ emit2($1); }
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| secc
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{ emit2($1); }
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| OP_SO_R opr1 ',' REG
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{ emit2( $1 | ($4 << 6) | $2); op1($2); }
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| MFP opr1
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{ emit2( $1 | $2); op1($2); }
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| FOP_FSO_FR fopr1 ',' fregister
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{emit2($1 | ($4 << 6) | $2); op1($2); }
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| FOP_FSO fopr1
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{ emit2( $1 | $2); op1($2); }
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| FOP_SO opr1
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{ emit2( $1 | $2); op1($2); }
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| MOVF fop2 ',' fregister
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{ emit2(OPSTF | ($4 << 6) | $2); op2($2);}
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| MOVF fregister ',' fopr1
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{ emit2(OPLDF | ($2 << 6) | $4); op1($4); }
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| FOP_SO_FR opr1 ',' fregister
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{ emit2($1 | ($4 << 6) | $2); op1($2); }
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| FOP_FR_SO fregister ',' opr1
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{ emit2($1 | ($2 << 6) | $4); op1($4); }
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| FOP_FR_FSO fregister ',' fopr1
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{ emit2($1 | ($2 << 6) | $4); op1($4); }
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;
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clcc
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: CLEARCC
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| clcc '|' CLEARCC
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{ $$ = ( $1 | $3 ); }
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;
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secc
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: SETCC
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| secc '|' SETCC
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{ $$ = ( $1 | $3 ); }
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;
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opr1
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: opr2
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{ $$ = $1;
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exp_1 = exp_2;
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RELOMOVE(rel_1, rel_2);
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im1flag = im2flag;
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im2flag=0;
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}
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;
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opr2
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: REG
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| op2
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;
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op2
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: ari
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{ $$ = ( RDEFMODE | $1); }
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| ainc
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{ $$ = ( AIMODE | $1 ); }
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| adec
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{ $$ = ( ADMODE | $1 ); }
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| expr ari
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{ exp_2 = $1; $$ = ( INDMODE | $2); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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| '*' expr ari
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{ exp_2 = $2; $$ = ( INDDEFMODE | $3); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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| '*' ainc
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{ $$ = ( AIDEFMODE | $2 ); }
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| '*' adec
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{ $$ = ( ADDEFMODE | $2 ); }
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| expr
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{ exp_2 = $1; $$ = (INDMODE | 07); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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| '$' expr
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{ exp_2 =$2; $$ = ( AIMODE | 07); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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| '*' '$' expr
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{ exp_2 = $3; $$ = ( AIDEFMODE | 07 ); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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| '*' expr
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{ exp_2 = $2; $$ = ( INDDEFMODE | 07 ); im2flag = 1;
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RELOMOVE(rel_2, relonami);
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}
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;
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fopr1
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: fopr2
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{ $$ = $1; exp_1 = exp_2; im1flag = im2flag; im2flag=0;
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RELOMOVE(rel_1, rel_2);
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}
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;
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fopr2
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: fregister
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| fop2
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;
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fop2
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: FRSP
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| op2
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;
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ari
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: '(' REG ')'
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{ $$ = $2; }
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;
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ainc
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: ari '+'
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;
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adec
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: '-' ari
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{ $$ = $2; }
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;
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fregister
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: FREG
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| REG
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;
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133
mach/pdp/as/mach5.c
Normal file
133
mach/pdp/as/mach5.c
Normal file
|
|
@ -0,0 +1,133 @@
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|||
#define RCSID5 "$Header$"
|
||||
|
||||
/*
|
||||
* (c) copyright 1983 by the Vrije Universiteit, Amsterdam, The Netherlands.
|
||||
*
|
||||
* This product is part of the Amsterdam Compiler Kit.
|
||||
*
|
||||
* Permission to use, sell, duplicate or disclose this software must be
|
||||
* obtained in writing. Requests for such permissions may be sent to
|
||||
*
|
||||
* Dr. Andrew S. Tanenbaum
|
||||
* Wiskundig Seminarium
|
||||
* Vrije Universiteit
|
||||
* Postbox 7161
|
||||
* 1007 MC Amsterdam
|
||||
* The Netherlands
|
||||
*
|
||||
*/
|
||||
|
||||
op1(mode) {
|
||||
int relpc = 0;
|
||||
if (im1flag) {
|
||||
if (mode == 067 || mode == 077) {
|
||||
exp_1.val = adjust(exp_1);
|
||||
relpc = RELPC;
|
||||
}
|
||||
#ifdef RELOCATION
|
||||
RELOMOVE(relonami, rel_1);
|
||||
if (rflag != 0 && PASS_RELO)
|
||||
newrelo(exp_1.typ, RELO2|relpc);
|
||||
#endif
|
||||
emit2(exp_1.val);
|
||||
im1flag = 0;
|
||||
}
|
||||
}
|
||||
|
||||
op2(mode) {
|
||||
int relpc = 0;
|
||||
if (im2flag) {
|
||||
if (mode == 067 || mode == 077) {
|
||||
relpc = RELPC;
|
||||
exp_2.val = adjust(exp_2);
|
||||
}
|
||||
#ifdef RELOCATION
|
||||
RELOMOVE(relonami, rel_2);
|
||||
if (rflag != 0 && PASS_RELO)
|
||||
newrelo(exp_2.typ, RELO2|relpc);
|
||||
#endif
|
||||
emit2(exp_2.val);
|
||||
im2flag = 0;
|
||||
}
|
||||
}
|
||||
|
||||
branch(opc,exp) expr_t exp; {
|
||||
register eval;
|
||||
register sm;
|
||||
|
||||
eval = adjust(exp) >> 1;
|
||||
sm = fitb(eval);
|
||||
if ((exp.typ & ~S_DOT) != DOTTYP && pass >= PASS_2) sm = 0;
|
||||
if (!sm && pass >= PASS_2) {
|
||||
serror("label too far");
|
||||
}
|
||||
emit2(opc | lowb(eval));
|
||||
}
|
||||
|
||||
ejump(opc, exp) expr_t exp; {
|
||||
register sm,eval;
|
||||
int gain;
|
||||
|
||||
# ifdef THREE_PASS
|
||||
eval = adjust(exp) >> 1;
|
||||
sm = fitb(eval);
|
||||
if ((exp.typ & ~S_DOT) != DOTTYP) {
|
||||
sm = 0;
|
||||
}
|
||||
gain = (opc == OPBRA ? 2 : 4);
|
||||
if (small(sm,gain)) {
|
||||
emit2( opc | lowb(eval));
|
||||
}
|
||||
else {
|
||||
# endif
|
||||
if (opc != OPBRA) {
|
||||
emit2((opc^0400) | 04);
|
||||
}
|
||||
|
||||
exp_1.val = exp.val;
|
||||
im1flag = 1;
|
||||
jump(0100,067);
|
||||
# ifdef THREE_PASS
|
||||
}
|
||||
# endif
|
||||
}
|
||||
|
||||
sob(reg, exp) expr_t exp; {
|
||||
if ((exp.typ & ~S_DOT) != DOTTYP) {
|
||||
serror("error in sob-label");
|
||||
}
|
||||
exp.val = ( - adjust(exp) ) >> 1;
|
||||
fit(fit6(exp.val));
|
||||
emit2( OPSOB | (reg << 6) | exp.val);
|
||||
}
|
||||
|
||||
jump(opc,opr) {
|
||||
register sm;
|
||||
register val;
|
||||
|
||||
if (opr==067) {
|
||||
# ifdef THREE_PASS
|
||||
val = adjust(exp_1) >> 1;
|
||||
if ( fitb(val) && (exp_1.typ & ~S_DOT) == DOTTYP) {
|
||||
sm = 1;
|
||||
}
|
||||
if (small(sm,2)) {
|
||||
emit2(OPBRA | lowb(val));
|
||||
im1flag = 0;
|
||||
return(0);
|
||||
}
|
||||
# endif
|
||||
}
|
||||
emit2(opc | opr);
|
||||
op1(opr);
|
||||
}
|
||||
|
||||
valu_t adjust(exp) expr_t exp; {
|
||||
valu_t val;
|
||||
|
||||
val = exp.val - DOTVAL - 2;
|
||||
# ifdef THREE_PASS
|
||||
if (pass == PASS_2 && val > 0) val -= DOTGAIN;
|
||||
# endif
|
||||
return(val);
|
||||
}
|
||||
Loading…
Reference in a new issue