Fix for PR 6200 (SUBC problems).
This commit is contained in:
Torbjorn Granlund
parent
5076ecd0f6
commit
acae2683a9
2 changed files with 384 additions and 300 deletions
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@ -1,3 +1,7 @@
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Thu Jan 19 05:50:50 1995 Torbjorn Granlund <tege@rtl.cygnus.com>
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* gecode.c (op_tab): Replace code for ADDC and SUBC.
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Mon Jan 9 15:43:53 1995 Stu Grossman (grossman@cygnus.com)
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* interp.c: Remove def of INLINE. This comes from bfd.h. Also,
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668
sim/sh/gencode.c
668
sim/sh/gencode.c
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@ -23,13 +23,18 @@
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-t prints a pretty table for the assembler manual
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-s generates the simulator code jump table
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-d generates a define table
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-x generates the simulator code switch statement
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default generates the opcode tables
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*/
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#include <stdio.h>
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typedef struct
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{
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char *defs;
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char *refs;
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char *name;
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char *code;
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char *stuff[10];
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@ -42,159 +47,171 @@ op;
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op tab[] =
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{
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{"add #<imm>,<REG_N>", "0111nnnni8*1....", "R[n] += SEXT(i);"},
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{"add <REG_M>,<REG_N>", "0011nnnnmmmm1100", "R[n] += R[m];"},
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{"addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", "ult = R[n]; R[n] += (R[m]+T); T = ult>R[n];"},
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{"addv <REG_M>,<REG_N>", "0011nnnnmmmm1111",
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"long ans;",
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"ans = R[n] + R[m];",
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{"n","","add #<imm>,<REG_N>", "0111nnnni8*1....", "R[n] += SEXT(i);if (i == 0) { UNDEF(n); break; } "},
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{"n","mn","add <REG_M>,<REG_N>", "0011nnnnmmmm1100", "R[n] += R[m];"},
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{"n","mn","addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", "ult=R[n]+T;T=ult<T;ult=ult+R[m];T=T|(ult<R[m]);R[n]=ult;"},
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{"n","mn","addv <REG_M>,<REG_N>", "0011nnnnmmmm1111",
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"{long ans;",
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" ans = R[n] + R[m];",
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"T = ((~R[n] & R[m] & ans) | (R[n] & R[m] & ~ans)) >>31;",
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"R[n] = ans;"},
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"R[n] = ans;}"},
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{"and #<imm>,R0", "11001001i8*1....", "R0&=i;"},
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{"and <REG_M>,<REG_N>", "0010nnnnmmmm1001", "R[n]&=R[m];"},
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{"and.b #<imm>,@(R0,GBR)", "11001101i8*1....", "WBAT(GBR+R0, RBAT(GBR+R0) & i);"},
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{"0","","and #<imm>,R0", "11001001i8*1....", ";R0&=i;"},
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{"n","nm","and <REG_M>,<REG_N>", "0010nnnnmmmm1001", " R[n]&=R[m];"},
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{"","0","and.b #<imm>,@(R0,GBR)", "11001101i8*1....", ";WBAT(GBR+R0, RBAT(GBR+R0) & i);"},
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{"bf <bdisp8>", "10001011i8p1....", "if(T==0) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
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{"bra <bdisp12>", "1010i12.........", "ult = PC; PC=PC+(i<<1)+2;SL(ult+2);"},
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{"bsr <bdisp12>", "1011i12.........", "PR = PC; PC=PC+(i<<1)+2;SL(PR+2);"},
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{"bt <bdisp8>", "10001001i8p1....", "if(T==1) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
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{"clrmac", "0000000000101000", "MACH = MACL = 0;"},
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{"clrt", "0000000000001000", "T= 0;"},
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{"cmp/eq #<imm>,R0", "10001000i8*1....", "T = R0 == SEXT(i);"},
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{"cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", "T=R[n]==R[m];"},
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{"cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", "T=R[n]>=R[m];"},
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{"cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", "T=R[n]>R[m];"},
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{"cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", "T=UR[n]>UR[m];"},
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{"cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", "T=UR[n]>=UR[m];"},
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{"cmp/pl <REG_N>", "0100nnnn00010101", "T = R[n]>0;"},
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{"cmp/pz <REG_N>", "0100nnnn00010001", "T = R[n]>=0;"},
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{"cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100", "ult = R[n] ^ R[m]; T=((ult&0xff000000)==0) |((ult&0xff0000)==0) |((ult&0xff00)==0) |((ult&0xff)==0); "},
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{"div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", "Q=R[n]<0; M=R[m]<0; T=M!=Q;;"},
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{"div0u", "0000000000011001", "M=Q=T=0;"},
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{"div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", "T=div1(R,n,m,T);"},
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{"exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110", "R[n] = SEXT(R[m]);"},
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{"exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111", "R[n] = SEXTW(R[m]);"},
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{"extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100", "R[n] = R[m] & 0xff;"},
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{"extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101", "R[n] = R[m] & 0xffff;"},
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{"jmp @<REG_N>", "0100nnnn00101011", "ult = PC; PC=R[n]-2; SL(ult+2);"},
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{"jsr @<REG_N>", "0100nnnn00001011", "PR = PC; PC=R[n]-2; SL(PR+2);"},
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{"ldc <REG_N>,GBR", "0100nnnn00011110", "GBR=R[n];"},
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{"ldc <REG_N>,SR", "0100nnnn00001110", "SET_SR(R[n]);"},
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{"ldc <REG_N>,VBR", "0100nnnn00101110", "VBR=R[n];"},
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{"ldc.l @<REG_N>+,GBR", "0100nnnn00010111", "GBR=RLAT(R[n]);R[n]+=4;;"},
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{"ldc.l @<REG_N>+,SR", "0100nnnn00000111", "SET_SR(RLAT(R[n]));R[n]+=4;;"},
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{"ldc.l @<REG_N>+,VBR", "0100nnnn00100111", "VBR=RLAT(R[n]);R[n]+=4;;"},
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{"lds <REG_N>,MACH", "0100nnnn00001010", "MACH = SEXT(R[n]);"},
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{"lds <REG_N>,MACL", "0100nnnn00011010", "MACL= R[n];"},
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{"lds <REG_N>,PR", "0100nnnn00101010", "PR = R[n];"},
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{"lds.l @<REG_N>+,MACH", "0100nnnn00000110", "MACH = SEXT(RLAT(R[n]));R[n]+=4;"},
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{"lds.l @<REG_N>+,MACL", "0100nnnn00010110", "MACL = RLAT(R[n]);R[n]+=4;"},
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{"lds.l @<REG_N>+,PR", "0100nnnn00100110", "PR = RLAT(R[n]);R[n]+=4;;"},
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{"mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", "abort();"},
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{"mov #<imm>,<REG_N>", "1110nnnni8*1....", "R[n] = SEXT(i);"},
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{"mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", "R[n] = R[m];"},
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{"mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", "WBAT(R[n]+R0, R[m]);"},
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{"mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", "R[n]--; WBAT(R[n], R[m]);"},
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{"mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", "WBAT(R[n], R[m]);"},
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{"mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", "R0=RBAT(i+R[m]);"},
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{"mov.b @(<disp>,GBR),R0", "11000100i8*1....", "R0=RBAT(i+GBR);"},
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{"mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", "R[n]=RBAT(R0+R[m]);"},
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{"mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", "R[n] = RBAT(R[m]);R[m]++;"},
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{"mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", "R[n]=RBAT(R[m]);"},
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{"mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", "R0=RBAT(i+R[m]);"},
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{"mov.b R0,@(<disp>,GBR)", "11000000i8*1....", "R0 = RBAT(i+GBR);"},
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{"mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", "WLAT(i+R[n],R[m]);"},
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{"mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", "WLAT(R0+R[n],R[m]);"},
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{"mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", "R[n]-=4;WLAT(R[n],R[m]);"},
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{"mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", "WLAT(R[n], R[m]);"},
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{"mov.l @(<disp>,<REG_N>),<REG_M>", "0101nnnnmmmmi4*4", "R[m]=RLAT(i+R[n]);"},
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{"mov.l @(<disp>,GBR),R0", "11000110i4*4", "R0=RLAT(i+GBR);"},
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{"mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", "R[n]=RLAT(i+4+PC);"},
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{"mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", "R[n]=RLAT(R0+R[m]);"},
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{"mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", "R[n]=RLAT(R[m]);R[m]+=4;"},
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{"mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", "R[n]=RLAT(R[m]);"},
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{"mov.l R0,@(<disp>,GBR)", "11000010i8*4....", "R0=RLAT(R0+GBR);"},
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{"mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", "WWAT(R0+R[n],R[m]);"},
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{"mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", "R[n]-=2;WWAT(R[n],R[m]);"},
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{"mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", "WWAT(R[n],R[m]);"},
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{"mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", "R0=RSWAT(i+R[m]);"},
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{"mov.w @(<disp>,GBR),R0", "11000101i8*2....", "R0=RSWAT(i+GBR);"},
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{"mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", "R[n]=RSWAT(PC+i+4);"},
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{"mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", "R[n]=RSWAT(R0+R[m]);"},
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{"mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", "R[n]=RSWAT(R[m]);R[m]+=2;"},
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{"mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", "R[n]=RSWAT(R[m]);"},
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{"mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", "R0=RSWAT(i+R[m]);"},
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{"mov.w R0,@(<disp>,GBR)", "11000001i8*2....", "R0=RSWAT(i+GBR);"},
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{"mova @(<disp>,PC),R0", "11000111i8p4....", "R0=i+4+PC;"},
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{"movt <REG_N>", "0000nnnn00101001", "R[n]=T;"},
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{"muls <REG_M>,<REG_N>", "0010nnnnmmmm1111",
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"MACL=((long)(short)R[n])*((long)(short)R[m]);"},
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{"mulu <REG_M>,<REG_N>","0010nnnnmmmm1110", "MACL=((unsigned long)(unsigned short)R[n])*((unsigned long)(unsigned short)R[m]);"},
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{"neg <REG_M>,<REG_N>", "0110nnnnmmmm1011", "R[n] = - R[m];"},
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{"negc <REG_M>,<REG_N>", "0110nnnnmmmm1010", "ult=0-R[m];R[n]=ult-T;T=SBIT(R[n])!=SBIT(ult);"},
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{"nop", "0000000000001001", ""},
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{"not <REG_M>,<REG_N>", "0110nnnnmmmm0111", "R[n]=~R[m];"},
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{"or #<imm>,R0", "11001011i8*1....", "R0|=i;"},
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{"or <REG_M>,<REG_N>", "0010nnnnmmmm1011", "R[n]|=R[m];"},
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{"or.b #<imm>,@(R0,GBR)", "11001111i8*1....", "WBAT(R0+GBR,RBAT(R0+GBR)|i);"},
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{"rotcl <REG_N>", "0100nnnn00100100", "ult = R[n] <0;R[n] = (R[n]<<1)|T;T=ult;"},
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{"rotcr <REG_N>", "0100nnnn00100101", "ult = R[n]&1;R[n]=(UR[n]>>1)|(T<<31);T=ult;"},
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{"rotl <REG_N>", "0100nnnn00000100", "T=R[n]<0;R[n]<<=1;R[n]|=T;"},
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{"rotr <REG_N>", "0100nnnn00000101", "T=R[n]&1;UR[n]>>=1;R[n]|=(T<<31);"},
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{"rte", "0000000000101011", "abort();"},
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{"rts", "0000000000001011", "ult=PC;PC=PR+2;SL(ult+2);"},
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{"sett", "0000000000011000", "T=1;"},
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{"shal <REG_N>", "0100nnnn00100000", "T=R[n]<0; R[n]<<=1;"},
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{"shar <REG_N>", "0100nnnn00100001", "T=R[n]&1; R[n]>>=1;"},
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{"shll <REG_N>", "0100nnnn00000000", "T=R[n]<0; R[n]<<=1;"},
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{"shll16 <REG_N>", "0100nnnn00101000", "R[n]<<=16;"},
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{"shll2 <REG_N>", "0100nnnn00001000", "R[n]<<=2;"},
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{"shll8 <REG_N>", "0100nnnn00011000", "R[n]<<=8;"},
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{"shlr <REG_N>", "0100nnnn00000001", "T=R[n]&1;R[n]=UR[n]>>1;"},
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{"shlr16 <REG_N>", "0100nnnn00101001", "R[n]=UR[n]>>16;"},
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{"shlr2 <REG_N>", "0100nnnn00001001", "R[n]=UR[n]>>2;"},
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{"shlr8 <REG_N>", "0100nnnn00011001", "R[n]=UR[n]>>8;"},
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{"sleep", "0000000000011011", "abort();"},
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{"stc GBR,<REG_N>", "0000nnnn00010010", "R[n]=GBR;"},
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{"stc SR,<REG_N>", "0000nnnn00000010", "R[n]=GET_SR();"},
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{"stc VBR,<REG_N>", "0000nnnn00100010", "R[n]=VBR;"},
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{"stc.l GBR,@-<REG_N>", "0100nnnn00010011", "R[n]-=4;WLAT(R[n],GBR);;"},
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{"stc.l SR,@-<REG_N>", "0100nnnn00000011", "R[n]-=4;WLAT(R[n],GET_SR());"},
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{"stc.l VBR,@-<REG_N>", "0100nnnn00100011", "R[n]-=4;WLAT(R[n],VBR);"},
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{"sts MACH,<REG_N>", "0000nnnn00001010", "R[n]=MACH;"},
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{"sts MACL,<REG_N>", "0000nnnn00011010", "R[n]=MACL;"},
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{"sts PR,<REG_N>", "0000nnnn00101010", "R[n]=PR;"},
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{"sts.l MACH,@-<REG_N>", "0100nnnn00000010", "R[n]-=4;WLAT(R[n],MACH);"},
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{"sts.l MACL,@-<REG_N>", "0100nnnn00010010", "R[n]-=4;WLAT(R[n],MACL);"},
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{"sts.l PR,@-<REG_N>", "0100nnnn00100010", "R[n]-=4;WLAT(R[n],PR);"},
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{"sub <REG_M>,<REG_N>", "0011nnnnmmmm1000", "R[n]-=R[m];"},
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{"subc <REG_M>,<REG_N>", "0011nnnnmmmm1010", "ult = R[n];R[n]-=R[m]+T;T=ult<UR[n];"},
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{"subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", "abort();"},
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{"swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", "R[n]=((R[m]<<8)&0xff00)|((R[m]>>8)&0x00ff);"},
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{"swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", "R[n]=((R[m]<<16)&0xffff0000)|((R[m]>>16)&0x00ffff);"},
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{"tas.b @<REG_N>", "0100nnnn00011011", "ult=RBAT(R[n]);T=ult==0;WBAT(R[n],ult|0x80);"},
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{"trapa #<imm>", "11000011i8*1....", "trap(i,R);"},
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{"tst #<imm>,R0", "11001000i8*1....", "T=(R0&i)==0;"},
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{"tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", "T=(R[n]&R[m])==0;"},
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{"tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", "T=(RBAT(GBR+R0)&i)==0;"},
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{"xor #<imm>,R0", "11001010i8*1....", "R0^=i;"},
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{"xor <REG_M>,<REG_N>", "0010nnnnmmmm1010", "R[n]^=R[m];"},
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{"xor.b #<imm>,@(R0,GBR)", "11001110i8*1....", "ult=RBAT(GBR+R0);ult^=i;WBAT(GBR+R0,ult);"},
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{"xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101", "R[n]=((R[n]>>16)&0xffff)|((R[m]<<16)&0xffff0000);"},
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{"","","bra <bdisp12>", "1010i12.........", "ult = PC; PC=PC+(i<<1)+2;SL(ult+2);"},
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{"","","bsr <bdisp12>", "1011i12.........", "PR = PC; PC=PC+(i<<1)+2;SL(PR+2);"},
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{"","","bt <bdisp8>", "10001001i8p1....", "if(T) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
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{"","","bf <bdisp8>", "10001011i8p1....", "if(T==0) {PC+=(SEXT(i)<<1)+2;C+=2;}"},
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{"","","bt.s <bdisp8>", "10001101i8p1....","if(T) {ult = PC; PC+=(SEXT(i)<<1)+2;C+=2;SL(ult+2);}"},
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{"","","bf.s <bdisp8>", "10001111i8p1....","if(!T) {ult = PC; PC+=(SEXT(i)<<1)+2;C+=2;SL(ult+2);}"},
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{"","","clrmac", "0000000000101000", "MACH = MACL = 0;"},
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{"","","clrt", "0000000000001000", "T= 0;"},
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{"","0","cmp/eq #<imm>,R0", "10001000i8*1....", ";T = R0 == SEXT(i);"},
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{"","mn","cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", "T=R[n]==R[m];"},
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{"","mn","cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", "T=R[n]>=R[m];"},
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{"","mn","cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", "T=R[n]>R[m];"},
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{"","mn","cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", "T=UR[n]>UR[m];"},
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{"","mn","cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", "T=UR[n]>=UR[m];"},
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{"","n","cmp/pl <REG_N>", "0100nnnn00010101", "T = R[n]>0;"},
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{"","n","cmp/pz <REG_N>", "0100nnnn00010001", "T = R[n]>=0;"},
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{"","mn","cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100",
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"ult = R[n] ^ R[m]; T=((ult&0xff000000)==0) |((ult&0xff0000)==0) |((ult&0xff00)==0) |((ult&0xff)==0); "},
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{"","mn","div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", "Q=(R[n]&sbit)!=0; M=(R[m]&sbit)!=0; T=M!=Q;;"},
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{"","","div0u", "0000000000011001", "M=Q=T=0;"},
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{"","","div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", "T=div1(R,m,n,T);"},
|
||||
{"n","m","exts.b <REG_M>,<REG_N>", "0110nnnnmmmm1110", "R[n] = SEXT(R[m]);"},
|
||||
{"n","m","exts.w <REG_M>,<REG_N>", "0110nnnnmmmm1111", "R[n] = SEXTW(R[m]);"},
|
||||
{"n","m","extu.b <REG_M>,<REG_N>", "0110nnnnmmmm1100", "R[n] = R[m] & 0xff;"},
|
||||
{"n","m","extu.w <REG_M>,<REG_N>", "0110nnnnmmmm1101", "R[n] = R[m] & 0xffff;"},
|
||||
{"","n","jmp @<REG_N>", "0100nnnn00101011", "ult = PC; PC=R[n]-2; SL(ult+2);"},
|
||||
{"","n","jsr @<REG_N>", "0100nnnn00001011", "PR = PC; PC=R[n]-2; if (~doprofile) gotcall(PR,PC+2);SL(PR+2);"},
|
||||
{"","n","ldc <REG_N>,GBR", "0100nnnn00011110", "GBR=R[n];"},
|
||||
{"","n","ldc <REG_N>,SR", "0100nnnn00001110", "SET_SR(R[n]);"},
|
||||
{"","n","ldc <REG_N>,VBR", "0100nnnn00101110", "VBR=R[n];"},
|
||||
{"","n","ldc.l @<REG_N>+,GBR", "0100nnnn00010111", "GBR=RLAT(R[n]);R[n]+=4;;"},
|
||||
{"","n","ldc.l @<REG_N>+,SR", "0100nnnn00000111", "SET_SR(RLAT(R[n]));R[n]+=4;;"},
|
||||
{"","n","ldc.l @<REG_N>+,VBR", "0100nnnn00100111", "VBR=RLAT(R[n]);R[n]+=4;;"},
|
||||
{"","n","lds <REG_N>,MACH", "0100nnnn00001010", "MACH = R[n];"},
|
||||
{"","n","lds <REG_N>,MACL", "0100nnnn00011010", "MACL= R[n];"},
|
||||
{"","n","lds <REG_N>,PR", "0100nnnn00101010", "PR = R[n];"},
|
||||
{"","n","lds.l @<REG_N>+,MACH", "0100nnnn00000110", "MACH = SEXT(RLAT(R[n]));R[n]+=4;"},
|
||||
{"","n","lds.l @<REG_N>+,MACL", "0100nnnn00010110", "MACL = RLAT(R[n]);R[n]+=4;"},
|
||||
{"","n","lds.l @<REG_N>+,PR", "0100nnnn00100110", "PR = RLAT(R[n]);R[n]+=4;;"},
|
||||
{"","n","mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", "abort();"},
|
||||
{"n","","mov #<imm>,<REG_N>", "1110nnnni8*1....", "R[n] = SEXT(i);"},
|
||||
{"n","m","mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", "R[n] = R[m];"},
|
||||
{"","mn0","mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", "WBAT(R[n]+R0, R[m]);"},
|
||||
{"","nm","mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", "R[n]--; WBAT(R[n],R[m]);"},
|
||||
{"","mn","mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", "WBAT(R[n], R[m]);"},
|
||||
{"0","m","mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", "R0=RSBAT(i+R[m]);L(0);"},
|
||||
{"0","","mov.b @(<disp>,GBR),R0", "11000100i8*1....", "R0=RSBAT(i+GBR);L(0);"},
|
||||
{"n","0m","mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", "R[n]=RSBAT(R0+R[m]);L(n);"},
|
||||
{"n","m","mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", "R[n] = RSBAT(R[m]);L(n);R[m]++;"},
|
||||
{"n","m","mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", "R[n]=RSBAT(R[m]);L(n);"},
|
||||
{"","m0","mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", "WBAT(i+R[m],R0);"},
|
||||
{"","0","mov.b R0,@(<disp>,GBR)", "11000000i8*1....", "WBAT(i+GBR,R0);"},
|
||||
{"","nm","mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", "WLAT(i+R[n],R[m]);"},
|
||||
{"","nm0","mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", "WLAT(R0+R[n],R[m]);"},
|
||||
{"","nm","mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", "R[n]-=4;WLAT(R[n],R[m]);"},
|
||||
{"","nm","mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", "WLAT(R[n], R[m]);"},
|
||||
{"n","m","mov.l @(<disp>,<REG_M>),<REG_N>","0101nnnnmmmmi4*4", "R[n]=RLAT(i+R[m]);L(n);"},
|
||||
{"0","","mov.l @(<disp>,GBR),R0", "11000110i8*4....", "R0=RLAT(i+GBR);L(0);"},
|
||||
{"n","","mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", "R[n]=RLAT((i+4+PC) & ~3);L(n);"},
|
||||
{"n","m","mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", "R[n]=RLAT(R0+R[m]);L(n);"},
|
||||
{"nm","m","mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", "R[n]=RLAT(R[m]);R[m]+=4;L(n);"},
|
||||
{"n","m","mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", "R[n]=RLAT(R[m]);L(n);"},
|
||||
{"","0","mov.l R0,@(<disp>,GBR)", "11000010i8*4....", "WLAT(i+GBR,R0);"},
|
||||
{"","m0n","mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", "WWAT(R0+R[n],R[m]);"},
|
||||
{"n","mn","mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", "R[n]-=2;WWAT(R[n],R[m]);"},
|
||||
{"","nm","mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", "WWAT(R[n],R[m]);"},
|
||||
{"0","m","mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", "R0=RSWAT(i+R[m]);L(0);"},
|
||||
{"0","","mov.w @(<disp>,GBR),R0", "11000101i8*2....", "R0=RSWAT(i+GBR);L(0);"},
|
||||
{"n","","mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", "R[n]=RSWAT(PC+i+4);L(n);"},
|
||||
{"n","m0","mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", "R[n]=RSWAT(R0+R[m]);L(n);"},
|
||||
{"nm","n","mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", "R[n]=RSWAT(R[m]);R[m]+=2;L(n);"},
|
||||
{"n","m","mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", "R[n]=RSWAT(R[m]);L(n);"},
|
||||
{"","0m","mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", "WWAT(i+R[m],R0);"},
|
||||
{"","0","mov.w R0,@(<disp>,GBR)", "11000001i8*2....", "WWAT(i+GBR,R0);"},
|
||||
{"0","","mova @(<disp>,PC),R0", "11000111i8p4....", "R0=((i+4+PC) & ~0x3);"},
|
||||
{"n","","movt <REG_N>", "0000nnnn00101001", "R[n]=T;"},
|
||||
{"","mn","muls <REG_M>,<REG_N>", "0010nnnnmmmm1111","MACL=((int)(short)R[n])*((int)(short)R[m]);"},
|
||||
{"","mn","mul.l <REG_M>,<REG_N>","0000nnnnmmmm0111","MACL=((int)R[n])*((int)R[m]);"},
|
||||
{"","mn","mulu <REG_M>,<REG_N>", "0010nnnnmmmm1110","MACL=((unsigned int)(unsigned short)R[n])*((unsigned int)(unsigned short)R[m]);"},
|
||||
{"n","m","neg <REG_M>,<REG_N>", "0110nnnnmmmm1011", "R[n] = - R[m];"},
|
||||
{"n","m","negc <REG_M>,<REG_N>", "0110nnnnmmmm1010",
|
||||
"ult=R[m]; R[n]=0-R[m]-T;T=SBIT(R[n])!=SBIT(ult); "},
|
||||
{"","","nop", "0000000000001001", ""},
|
||||
{"n","m","not <REG_M>,<REG_N>", "0110nnnnmmmm0111", "R[n]=~R[m];"},
|
||||
{"0","","or #<imm>,R0", "11001011i8*1....", "R0|=i;"},
|
||||
{"n","m","or <REG_M>,<REG_N>", "0010nnnnmmmm1011", "R[n]|=R[m];"},
|
||||
{"","0","or.b #<imm>,@(R0,GBR)", "11001111i8*1....", "WBAT(R0+GBR,RBAT(R0+GBR)|i);"},
|
||||
{"n","n","rotcl <REG_N>", "0100nnnn00100100", "ult=R[n]<0;R[n]=(R[n]<<1)|T;T=ult;"},
|
||||
{"n","n","rotcr <REG_N>", "0100nnnn00100101", "ult=R[n]&1;R[n]=(UR[n]>>1)|(T<<31);T=ult;"},
|
||||
{"n","n","rotl <REG_N>", "0100nnnn00000100", "T=R[n]<0;R[n]<<=1;R[n]|=T;"},
|
||||
{"n","n","rotr <REG_N>", "0100nnnn00000101", "T=R[n]&1;R[n] = UR[n]>> 1;R[n]|=(T<<31);"},
|
||||
{"","","rte", "0000000000101011",
|
||||
"{ int tmp = PC; PC=RLAT(R[15])+2;R[15]+=4;SET_SR(RLAT(R[15]) & 0x3f3);R[15]+=4;SL(tmp+2);}"},
|
||||
{"","","rts", "0000000000001011", "ult=PC;PC=PR+2;SL(ult+2);"},
|
||||
{"","","sett", "0000000000011000", "T=1;"},
|
||||
|
||||
/* start-sanitize-sh3 */
|
||||
{"n","mn","shad <REG_M>,<REG_N>", "0100nnnnmmmm1100",
|
||||
"R[n] = (R[m] < 0) ? (((int)R[n]) >> -(R[m]&0x1f) ): (R[n] << ((R[m]) & 0x1f)) ;"},
|
||||
|
||||
{"n","mn","shld <REG_M>,<REG_N>", "0100nnnnmmmm1101",
|
||||
"R[n] = (R[m] < 0) ? (((unsigned int)R[n]) >> -(R[m]&0x1f) ): (R[n] << ((R[m]) & 0x1f)) ;"},
|
||||
/* end-sanitize-sh3 */
|
||||
{"n","n","shal <REG_N>", "0100nnnn00100000", "T=R[n]<0; R[n]<<=1;"},
|
||||
{"n","n","shar <REG_N>", "0100nnnn00100001", "T=R[n]&1; R[n] = R[n] >> 1;"},
|
||||
{"n","n","shll <REG_N>", "0100nnnn00000000", "T=R[n]<0; R[n]<<=1;"},
|
||||
{"n","n","shll16 <REG_N>", "0100nnnn00101000", "R[n]<<=16;"},
|
||||
{"n","n","shll2 <REG_N>", "0100nnnn00001000", "R[n]<<=2;"},
|
||||
{"n","n","shll8 <REG_N>", "0100nnnn00011000", "R[n]<<=8;"},
|
||||
{"n","n","shlr <REG_N>", "0100nnnn00000001", "T=R[n]&1;R[n]=UR[n]>>1;"},
|
||||
{"n","n","shlr16 <REG_N>", "0100nnnn00101001", "R[n]=UR[n]>>16;"},
|
||||
{"n","n","shlr2 <REG_N>", "0100nnnn00001001", "R[n]=UR[n]>>2;"},
|
||||
{"n","n","shlr8 <REG_N>", "0100nnnn00011001", "R[n]=UR[n]>>8;"},
|
||||
{"","","sleep", "0000000000011011", "trap(0xc3,R0,memory,maskl,maskw,little_endian);PC-=2;"},
|
||||
{"n","","stc GBR,<REG_N>", "0000nnnn00010010", "R[n]=GBR;"},
|
||||
{"n","","stc SR,<REG_N>", "0000nnnn00000010", "R[n]=GET_SR();"},
|
||||
{"n","","stc VBR,<REG_N>", "0000nnnn00100010", "R[n]=VBR;"},
|
||||
{"n","n","stc.l GBR,@-<REG_N>", "0100nnnn00010011", "R[n]-=4;WLAT(R[n],GBR);;"},
|
||||
{"n","n","stc.l SR,@-<REG_N>", "0100nnnn00000011", "R[n]-=4;WLAT(R[n],GET_SR());"},
|
||||
{"n","n","stc.l VBR,@-<REG_N>", "0100nnnn00100011", "R[n]-=4;WLAT(R[n],VBR);"},
|
||||
{"n","","sts MACH,<REG_N>", "0000nnnn00001010", "R[n]=MACH;"},
|
||||
{"n","","sts MACL,<REG_N>", "0000nnnn00011010", "R[n]=MACL;"},
|
||||
{"n","","sts PR,<REG_N>", "0000nnnn00101010", "R[n]=PR;"},
|
||||
{"n","n","sts.l MACH,@-<REG_N>", "0100nnnn00000010", "R[n]-=4;WLAT(R[n],MACH);"},
|
||||
{"n","n","sts.l MACL,@-<REG_N>", "0100nnnn00010010", "R[n]-=4;WLAT(R[n],MACL);"},
|
||||
{"n","n","sts.l PR,@-<REG_N>", "0100nnnn00100010", "R[n]-=4;WLAT(R[n],PR);"},
|
||||
{"n","nm","sub <REG_M>,<REG_N>", "0011nnnnmmmm1000", "R[n]-=R[m];"},
|
||||
{"n","nm","subc <REG_M>,<REG_N>", "0011nnnnmmmm1010", "ult=R[n]-T;T=ult>T;ult=ult-R[m];T=T|(ult>R[m]);R[n]=ult;"},
|
||||
{"n","nm","subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", "abort();"},
|
||||
{"n","nm","swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", "R[n]=((R[m]<<8)&0xff00)|((R[m]>>8)&0x00ff);"},
|
||||
{"n","nm","swap.w <REG_M>,<REG_N>", "0110nnnnmmmm1001", "R[n]=((R[m]<<16)&0xffff0000)|((R[m]>>16)&0x00ffff);"},
|
||||
{"","n","tas.b @<REG_N>", "0100nnnn00011011", "ult=RBAT(R[n]);T=ult==0;WBAT(R[n],ult|0x80);"},
|
||||
{"0","","trapa #<imm>", "11000011i8*1....",
|
||||
"{ long imm = 0xff & i; if (i<20||i==0xc3) trap(i,R,memory,maskl,maskw,little_endian); else { R[15]-=4; WLAT(R[15],GET_SR()); R[15]-=4;WLAT(R[15],PC+2); PC=RLAT(VBR+(imm<<2))-2;}}"},
|
||||
{"","0","tst #<imm>,R0", "11001000i8*1....", "T=(R0&i)==0;"},
|
||||
{"","mn","tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", "T=(R[n]&R[m])==0;"},
|
||||
{"","0","tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", "T=(RBAT(GBR+R0)&i)==0;"},
|
||||
{"","0","xor #<imm>,R0", "11001010i8*1....", "R0^=i;"},
|
||||
{"n","mn","xor <REG_M>,<REG_N>", "0010nnnnmmmm1010", "R[n]^=R[m];"},
|
||||
{"","0","xor.b #<imm>,@(R0,GBR)", "11001110i8*1....", "ult=RBAT(GBR+R0);ult^=i;WBAT(GBR+R0,ult);"},
|
||||
{"n","nm","xtrct <REG_M>,<REG_N>", "0010nnnnmmmm1101", "R[n]=((R[n]>>16)&0xffff)|((R[m]<<16)&0xffff0000);"},
|
||||
{"","nm","mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", " MACL = R[n] * R[m];"},
|
||||
{"n","n","dt <REG_N>", "0100nnnn00010000", "R[n]--; T=R[n] == 0;"},
|
||||
{"","nm","dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101", "dmul(1,R[n],R[m]);"},
|
||||
{"","nm","dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", "dmul(0,R[n],R[m]);"},
|
||||
{"","nm","mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", ""},
|
||||
|
||||
#if 0
|
||||
{"mul.l <REG_M>,<REG_N>","0000nnnnmmmm0111","/* mull */"},
|
||||
{"dmuls.l <REG_M>,<REG_N>","0011nnnnmmmm1101","/* dmuls.l */"},
|
||||
{"dmulu.l <REG_M>,<REG_N>","0011nnnnmmmm0101",""},
|
||||
{"mac.l @<REG_M>+,@<REG_N>+","0000nnnnmmmm1111",""},
|
||||
{"bt/s <bdisp8>","10001101i8p1....",""},
|
||||
{"bf/s <bdisp8>","10001111i8p1....",""},
|
||||
{"dt <REG_N>","0100nnnn00010000",""},
|
||||
{"braf @<REG_N>","0000nnnn00100011",""},
|
||||
{"bsrf @<REG_N>","0000nnnn00000011",""},
|
||||
{"mulu <REG_M>,<REG_N>","0010nnnnmmmm1110",""},
|
||||
{"muls <REG_M>,<REG_N>","0010nnnnmmmm1111",""},
|
||||
{"braf @<REG_N>", "0000nnnn00100011", ""},
|
||||
{"bsrf @<REG_N>", "0000nnnn00000011", ""},
|
||||
{"divs.l <REG_M>,<REG_N>", "0100nnnnmmmm1110", "divl(0,R[n],R[m]);"},
|
||||
{"divu.l <REG_M>,<REG_N>", "0100nnnnmmmm1101", "divl(0,R[n],R[m]);"},
|
||||
#endif
|
||||
|
||||
{0, 0}};
|
||||
|
|
@ -275,13 +292,154 @@ make_enum_list (name, s)
|
|||
printf ("typedef enum {\n");
|
||||
while (*s)
|
||||
{
|
||||
printf ("\t%s,\n", *s, i);
|
||||
printf ("\t%s,\n", *s);
|
||||
s++;
|
||||
i++;
|
||||
}
|
||||
printf ("} %s;\n", name);
|
||||
}
|
||||
|
||||
static int
|
||||
qfunc (a, b)
|
||||
op *a;
|
||||
op *b;
|
||||
{
|
||||
char bufa[9];
|
||||
char bufb[9];
|
||||
memcpy (bufa, a->code, 4);
|
||||
memcpy (bufa + 4, a->code + 12, 4);
|
||||
bufa[8] = 0;
|
||||
|
||||
memcpy (bufb, b->code, 4);
|
||||
memcpy (bufb + 4, b->code + 12, 4);
|
||||
bufb[8] = 0;
|
||||
return (strcmp (bufa, bufb));
|
||||
}
|
||||
|
||||
static void
|
||||
sorttab ()
|
||||
{
|
||||
op *p = tab;
|
||||
int len = 0;
|
||||
|
||||
while (p->name)
|
||||
{
|
||||
p++;
|
||||
len++;
|
||||
}
|
||||
qsort (tab, len, sizeof (*p), qfunc);
|
||||
}
|
||||
|
||||
static void
|
||||
printonmatch (ptr, a, rep)
|
||||
char **ptr;
|
||||
char *a;
|
||||
char *rep;
|
||||
{
|
||||
int l = strlen (a);
|
||||
if (strncmp (*ptr, a, l) == 0)
|
||||
{
|
||||
printf ("%s", rep);
|
||||
*ptr += l;
|
||||
if (**ptr)
|
||||
printf (",");
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
static
|
||||
void
|
||||
think (o)
|
||||
op *o;
|
||||
{
|
||||
char *n;
|
||||
char *p;
|
||||
|
||||
printf ("{\"");
|
||||
n = o->name;
|
||||
while (*n && *n != ' ')
|
||||
{
|
||||
printf ("%c", *n);
|
||||
n++;
|
||||
}
|
||||
printf ("\",{");
|
||||
|
||||
p = n;
|
||||
|
||||
if (!*p)
|
||||
{
|
||||
printf ("0");
|
||||
}
|
||||
while (*p)
|
||||
{
|
||||
while (*p == ',' || *p == ' ')
|
||||
p++;
|
||||
printonmatch (&p, "#<imm>", "A_IMM");
|
||||
printonmatch (&p, "R0", "A_R0");
|
||||
printonmatch (&p, "<REG_N>", "A_REG_N");
|
||||
printonmatch (&p, "@<REG_N>+", "A_INC_N");
|
||||
printonmatch (&p, "@<REG_N>", "A_IND_N");
|
||||
printonmatch (&p, "@-<REG_N>", "A_DEC_N");
|
||||
printonmatch (&p, "<REG_M>", " A_REG_M");
|
||||
printonmatch (&p, "@<REG_M>+", "A_INC_M");
|
||||
printonmatch (&p, "@<REG_M>", "A_IND_M");
|
||||
printonmatch (&p, "@-<REG_M>", "A_DEC_M");
|
||||
printonmatch (&p, "@(<disp>,PC)", "A_DISP_PC");
|
||||
printonmatch (&p, "@(<disp>,<REG_M>)", "A_DISP_REG_M");
|
||||
printonmatch (&p, "@(<disp>,<REG_N>)", "A_DISP_REG_N");
|
||||
printonmatch (&p, "@(R0,<REG_N>)", "A_IND_R0_REG_N");
|
||||
printonmatch (&p, "@(R0,<REG_M>)", "A_IND_R0_REG_M");
|
||||
printonmatch (&p, "@(<disp>,GBR)", "A_DISP_GBR");
|
||||
printonmatch (&p, "@(R0,GBR)", "A_R0_GBR");
|
||||
printonmatch (&p, "<bdisp8>", "A_BDISP8");
|
||||
printonmatch (&p, "<bdisp12>", "A_BDISP12");
|
||||
printonmatch (&p, "SR", "A_SR");
|
||||
printonmatch (&p, "GBR", "A_GBR");
|
||||
printonmatch (&p, "VBR", "A_VBR");
|
||||
printonmatch (&p, "MACH", "A_MACH");
|
||||
printonmatch (&p, "MACL", "A_MACL");
|
||||
printonmatch (&p, "PR", "A_PR");
|
||||
|
||||
}
|
||||
printf ("},{");
|
||||
|
||||
p = o->code;
|
||||
while (*p)
|
||||
{
|
||||
printonmatch (&p, "0000", "HEX_0");
|
||||
printonmatch (&p, "0001", "HEX_1");
|
||||
printonmatch (&p, "0010", "HEX_2");
|
||||
printonmatch (&p, "0011", "HEX_3");
|
||||
printonmatch (&p, "0100", "HEX_4");
|
||||
printonmatch (&p, "0101", "HEX_5");
|
||||
printonmatch (&p, "0110", "HEX_6");
|
||||
printonmatch (&p, "0111", "HEX_7");
|
||||
|
||||
printonmatch (&p, "1000", "HEX_8");
|
||||
printonmatch (&p, "1001", "HEX_9");
|
||||
printonmatch (&p, "1010", "HEX_A");
|
||||
printonmatch (&p, "1011", "HEX_B");
|
||||
printonmatch (&p, "1100", "HEX_C");
|
||||
printonmatch (&p, "1101", "HEX_D");
|
||||
printonmatch (&p, "1110", "HEX_E");
|
||||
printonmatch (&p, "1111", "HEX_F");
|
||||
printonmatch (&p, "i8*1....", "IMM_8");
|
||||
printonmatch (&p, "i4*1", "IMM_4");
|
||||
printonmatch (&p, "i8p4....", "PCRELIMM_8BY4");
|
||||
printonmatch (&p, "i8p2....", "PCRELIMM_8BY2");
|
||||
printonmatch (&p, "i8*2....", "IMM_8BY2");
|
||||
printonmatch (&p, "i4*2", "IMM_4BY2");
|
||||
printonmatch (&p, "i8*4....", "IMM_8BY4");
|
||||
printonmatch (&p, "i4*4", "IMM_4BY4");
|
||||
printonmatch (&p, "i12.........", "BRANCH_12");
|
||||
printonmatch (&p, "i8p1....", "BRANCH_8");
|
||||
printonmatch (&p, "nnnn", "REG_N");
|
||||
printonmatch (&p, "mmmm", "REG_M");
|
||||
|
||||
}
|
||||
printf ("}},\n");
|
||||
}
|
||||
|
||||
static void
|
||||
gengastab ()
|
||||
{
|
||||
|
|
@ -320,145 +478,9 @@ genopc ()
|
|||
}
|
||||
|
||||
|
||||
m (ptr, a, rep)
|
||||
char **ptr;
|
||||
char *a;
|
||||
char *rep;
|
||||
{
|
||||
int l = strlen (a);
|
||||
if (strncmp (*ptr, a, l) == 0)
|
||||
{
|
||||
printf ("%s", rep);
|
||||
*ptr += l;
|
||||
if (**ptr)
|
||||
printf (",");
|
||||
}
|
||||
}
|
||||
|
||||
think (o)
|
||||
op *o;
|
||||
{
|
||||
int t;
|
||||
char *n;
|
||||
char *p;
|
||||
|
||||
printf ("{\"");
|
||||
n = o->name;
|
||||
while (*n && *n != ' ')
|
||||
{
|
||||
printf ("%c", *n);
|
||||
n++;
|
||||
}
|
||||
printf ("\",{");
|
||||
|
||||
p = n;
|
||||
|
||||
if (!*p)
|
||||
{
|
||||
printf ("0");
|
||||
}
|
||||
while (*p)
|
||||
{
|
||||
while (*p == ',' || *p == ' ')
|
||||
p++;
|
||||
m (&p, "#<imm>", "A_IMM");
|
||||
m (&p, "R0", "A_R0");
|
||||
m (&p, "<REG_N>", "A_REG_N");
|
||||
m (&p, "@<REG_N>+", "A_INC_N");
|
||||
m (&p, "@<REG_N>", "A_IND_N");
|
||||
m (&p, "@-<REG_N>", "A_DEC_N");
|
||||
m (&p, "<REG_M>", " A_REG_M");
|
||||
m (&p, "@<REG_M>+", "A_INC_M");
|
||||
m (&p, "@<REG_M>", "A_IND_M");
|
||||
m (&p, "@-<REG_M>", "A_DEC_M");
|
||||
m (&p, "@(<disp>,PC)", "A_DISP_PC");
|
||||
m (&p, "@(<disp>,<REG_M>)", "A_DISP_REG_M");
|
||||
m (&p, "@(<disp>,<REG_N>)", "A_DISP_REG_N");
|
||||
m (&p, "@(R0,<REG_N>)", "A_IND_R0_REG_N");
|
||||
m (&p, "@(R0,<REG_M>)", "A_IND_R0_REG_M");
|
||||
m (&p, "@(<disp>,GBR)", "A_DISP_GBR");
|
||||
m (&p, "@(R0,GBR)", "A_R0_GBR");
|
||||
m (&p, "<bdisp8>", "A_BDISP8");
|
||||
m (&p, "<bdisp12>", "A_BDISP12");
|
||||
m (&p, "SR", "A_SR");
|
||||
m (&p, "GBR", "A_GBR");
|
||||
m (&p, "VBR", "A_VBR");
|
||||
m (&p, "MACH", "A_MACH");
|
||||
m (&p, "MACL", "A_MACL");
|
||||
m (&p, "PR", "A_PR");
|
||||
|
||||
}
|
||||
printf ("},{");
|
||||
|
||||
p = o->code;
|
||||
while (*p)
|
||||
{
|
||||
m (&p, "0000", "HEX_0");
|
||||
m (&p, "0001", "HEX_1");
|
||||
m (&p, "0010", "HEX_2");
|
||||
m (&p, "0011", "HEX_3");
|
||||
m (&p, "0100", "HEX_4");
|
||||
m (&p, "0101", "HEX_5");
|
||||
m (&p, "0110", "HEX_6");
|
||||
m (&p, "0111", "HEX_7");
|
||||
|
||||
m (&p, "1000", "HEX_8");
|
||||
m (&p, "1001", "HEX_9");
|
||||
m (&p, "1010", "HEX_A");
|
||||
m (&p, "1011", "HEX_B");
|
||||
m (&p, "1100", "HEX_C");
|
||||
m (&p, "1101", "HEX_D");
|
||||
m (&p, "1110", "HEX_E");
|
||||
m (&p, "1111", "HEX_F");
|
||||
m (&p, "i8*1....", "IMM_8");
|
||||
m (&p, "i4*1", "IMM_4");
|
||||
m (&p, "i8p4....", "PCRELIMM_8BY4");
|
||||
m (&p, "i8p2....", "PCRELIMM_8BY2");
|
||||
m (&p, "i8*2....", "IMM_8BY2");
|
||||
m (&p, "i4*2", "IMM_4BY2");
|
||||
m (&p, "i8*4....", "IMM_8BY4");
|
||||
m (&p, "i4*4", "IMM_4BY4");
|
||||
m (&p, "i12.........", "BRANCH_12");
|
||||
m (&p, "i8p1....", "BRANCH_8");
|
||||
m (&p, "nnnn", "REG_N");
|
||||
m (&p, "mmmm", "REG_M");
|
||||
|
||||
}
|
||||
printf ("}},\n");
|
||||
}
|
||||
|
||||
qfunc (a, b)
|
||||
op *a;
|
||||
op *b;
|
||||
{
|
||||
char bufa[9];
|
||||
char bufb[9];
|
||||
memcpy (bufa, a->code, 4);
|
||||
memcpy (bufa + 4, a->code + 12, 4);
|
||||
bufa[8] = 0;
|
||||
|
||||
memcpy (bufb, b->code, 4);
|
||||
memcpy (bufb + 4, b->code + 12, 4);
|
||||
bufb[8] = 0;
|
||||
return (strcmp (bufa, bufb));
|
||||
}
|
||||
|
||||
|
||||
sorttab ()
|
||||
{
|
||||
op *p = tab;
|
||||
|
||||
int len = 0;
|
||||
|
||||
while (p->name)
|
||||
{
|
||||
p++;
|
||||
len++;
|
||||
}
|
||||
|
||||
qsort (tab, len, sizeof (*p), qfunc);
|
||||
|
||||
}
|
||||
|
||||
/* Convert a string of 4 binary digits into an int */
|
||||
|
||||
|
|
@ -480,12 +502,16 @@ bton (s)
|
|||
return n;
|
||||
}
|
||||
|
||||
static char table[1 << 16];
|
||||
static unsigned char table[1 << 16];
|
||||
|
||||
/* Take an opcode expand all varying fields in it out and fill all the
|
||||
right entries in 'table' with the opcode index*/
|
||||
|
||||
static void
|
||||
expand_opcode (shift, val, i, s)
|
||||
int shift;
|
||||
int val;
|
||||
int i;
|
||||
char *s;
|
||||
{
|
||||
int j;
|
||||
|
|
@ -529,9 +555,9 @@ expand_opcode (shift, val, i, s)
|
|||
}
|
||||
|
||||
/* Print the jump table used to index an opcode into a switch
|
||||
statement entry */
|
||||
static void
|
||||
statement entry. */
|
||||
|
||||
static void
|
||||
dumptable ()
|
||||
{
|
||||
int lump = 256;
|
||||
|
|
@ -542,7 +568,6 @@ dumptable ()
|
|||
while (i < 1 << 16)
|
||||
{
|
||||
int j = 0;
|
||||
int nc = 0;
|
||||
|
||||
printf ("unsigned char sh_jump_table%x[%d]={\n", i, lump);
|
||||
|
||||
|
|
@ -593,6 +618,8 @@ gensim ()
|
|||
for (p = tab; p->name; p++)
|
||||
{
|
||||
int sextbit = -1;
|
||||
int needm = 0;
|
||||
int needn = 0;
|
||||
|
||||
char *s = p->code;
|
||||
|
||||
|
|
@ -611,10 +638,12 @@ gensim ()
|
|||
break;
|
||||
case 'n':
|
||||
printf ("int n = (iword >>8) & 0xf;\n");
|
||||
needn = 1;
|
||||
s += 4;
|
||||
break;
|
||||
case 'm':
|
||||
printf ("int m = (iword >>4) & 0xf;\n");
|
||||
needm = 1;
|
||||
s += 4;
|
||||
|
||||
break;
|
||||
|
|
@ -653,11 +682,16 @@ gensim ()
|
|||
s += 4;
|
||||
}
|
||||
}
|
||||
if (sextbit>0)
|
||||
if (sextbit > 0)
|
||||
{
|
||||
printf("i = (i ^ (1<<%d))-(1<<%d);\n",sextbit-1,sextbit-1);
|
||||
printf ("i = (i ^ (1<<%d))-(1<<%d);\n", sextbit - 1, sextbit - 1);
|
||||
}
|
||||
|
||||
if (needm && needn)
|
||||
printf("TB(m,n);");
|
||||
else if (needm)
|
||||
printf("TL(m);");
|
||||
else if (needn)
|
||||
printf("TL(n);");
|
||||
for (j = 0; j < 10; j++)
|
||||
{
|
||||
if (p->stuff[j])
|
||||
|
|
@ -665,17 +699,59 @@ gensim ()
|
|||
printf ("%s\n", p->stuff[j]);
|
||||
}
|
||||
}
|
||||
printf ("break;\n", p->stuff);
|
||||
|
||||
|
||||
{
|
||||
/* Do the defs and refs */
|
||||
char *r;
|
||||
for (r = p->refs; *r; r++) {
|
||||
if (*r == '0') printf("CREF(0);\n");
|
||||
if (*r == 'n') printf("CREF(n);\n");
|
||||
if (*r == 'm') printf("CREF(m);\n");
|
||||
|
||||
}
|
||||
for (r = p->defs; *r; r++)
|
||||
{
|
||||
if (*r == '0') printf("CDEF(0);\n");
|
||||
if (*r == 'n') printf("CDEF(n);\n");
|
||||
if (*r == 'm') printf("CDEF(m);\n");
|
||||
|
||||
}
|
||||
|
||||
}
|
||||
printf ("break;\n");
|
||||
printf ("}\n");
|
||||
}
|
||||
printf ("}\n}\n");
|
||||
}
|
||||
|
||||
|
||||
static void
|
||||
gendefines ()
|
||||
{
|
||||
op *p;
|
||||
filltable();
|
||||
for (p = tab; p->name; p++)
|
||||
{
|
||||
char *s = p->name;
|
||||
printf ("#define OPC_");
|
||||
while (*s) {
|
||||
if (isupper(*s))
|
||||
*s = tolower(*s);
|
||||
if (isalpha(*s)) printf("%c", *s);
|
||||
if (*s == ' ') printf("_");
|
||||
if (*s == '@') printf("ind_");
|
||||
if (*s == ',') printf("_");
|
||||
s++;
|
||||
}
|
||||
printf(" %d\n",p->index);
|
||||
}
|
||||
}
|
||||
|
||||
int
|
||||
main (ac, av)
|
||||
int ac;
|
||||
char **av;
|
||||
|
||||
{
|
||||
if (ac > 1)
|
||||
{
|
||||
|
|
@ -683,6 +759,10 @@ main (ac, av)
|
|||
{
|
||||
gengastab ();
|
||||
}
|
||||
else if (strcmp (av[1], "-d") == 0)
|
||||
{
|
||||
gendefines ();
|
||||
}
|
||||
else if (strcmp (av[1], "-s") == 0)
|
||||
{
|
||||
filltable ();
|
||||
|
|
|
|||
Loading…
Reference in a new issue