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author | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
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committer | Stan Shebs <shebs@codesourcery.com> | 1999-04-16 01:34:07 +0000 |
commit | 071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch) | |
tree | 5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/sh/gencode.c | |
parent | 1730ec6b1848f0f32154277f788fb29f88d8475b (diff) | |
download | gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2 |
Initial creation of sourceware repository
Diffstat (limited to 'sim/sh/gencode.c')
-rw-r--r-- | sim/sh/gencode.c | 1962 |
1 files changed, 0 insertions, 1962 deletions
diff --git a/sim/sh/gencode.c b/sim/sh/gencode.c deleted file mode 100644 index 75a6eae..0000000 --- a/sim/sh/gencode.c +++ /dev/null @@ -1,1962 +0,0 @@ -/* Simulator/Opcode generator for the Hitachi Super-H architecture. - - Written by Steve Chamberlain of Cygnus Support. - sac@cygnus.com - - This file is part of SH sim - - - THIS SOFTWARE IS NOT COPYRIGHTED - - Cygnus offers the following for use in the public domain. Cygnus - makes no warranty with regard to the software or it's performance - and the user accepts the software "AS IS" with all faults. - - CYGNUS DISCLAIMS ANY WARRANTIES, EXPRESS OR IMPLIED, WITH REGARD TO - THIS SOFTWARE INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF - MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. - -*/ - -/* This program generates the opcode table for the assembler and - the simulator code - - -t prints a pretty table for the assembler manual - -s generates the simulator code jump table - -d generates a define table - -x generates the simulator code switch statement - default generates the opcode tables - -*/ - -#include <stdio.h> - -#define MAX_NR_STUFF 20 - -typedef struct -{ - char *defs; - char *refs; - char *name; - char *code; - char *stuff[MAX_NR_STUFF]; - int index; -} - -op; - - -op tab[] = -{ - - { "n", "", "add #<imm>,<REG_N>", "0111nnnni8*1....", - "R[n] += SEXT(i);", - "if (i == 0) {", - " UNDEF(n); /* see #ifdef PARANOID */", - " break;", - "}", - }, - { "n", "mn", "add <REG_M>,<REG_N>", "0011nnnnmmmm1100", - "R[n] += R[m];", - }, - - { "n", "mn", "addc <REG_M>,<REG_N>", "0011nnnnmmmm1110", - "ult = R[n] + T;", - "SET_SR_T (ult < R[n]);", - "R[n] = ult + R[m];", - "SET_SR_T (T || (R[n] < ult));", - }, - - { "n", "mn", "addv <REG_M>,<REG_N>", "0011nnnnmmmm1111", - "ult = R[n] + R[m];", - "SET_SR_T ((~(R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", - "R[n] = ult;", - }, - - { "0", "", "and #<imm>,R0", "11001001i8*1....", - "R0 &= i;", - }, - { "n", "nm", "and <REG_M>,<REG_N>", "0010nnnnmmmm1001", - "R[n] &= R[m];", - }, - { "", "0", "and.b #<imm>,@(R0,GBR)", "11001101i8*1....", - "MA (1);", - "WBAT (GBR + R0, RBAT (GBR + R0) & i);", - }, - - { "", "", "bf <bdisp8>", "10001011i8p1....", - "if (!T) {", - " nia = PC + 4 + (SEXT(i) * 2);", - " cycles += 2;", - "}", - }, - - { "", "", "bf.s <bdisp8>", "10001111i8p1....", - "if (!T) {", - " nia = PC + 4 + (SEXT (i) * 2);", - " cycles += 2;", - " Delay_Slot (PC + 2);", - "}", - }, - - { "", "", "bra <bdisp12>", "1010i12.........", - "nia = PC + 4 + (SEXT12 (i) * 2);", - "Delay_Slot (PC + 2);", - }, - - { "", "n", "braf <REG_N>", "0000nnnn00100011", - "nia = PC + 4 + R[n];", - "Delay_Slot (PC + 2);", - }, - - { "", "", "bsr <bdisp12>", "1011i12.........", - "PR = PC + 4;", - "nia = PC + 4 + (SEXT12 (i) * 2);", - "Delay_Slot (PC + 2);", - }, - - { "", "n", "bsrf <REG_N>", "0000nnnn00000011", - "PR = PC + 4;", - "nia = PC + 4 + R[n];", - "Delay_Slot (PC + 2);", - }, - - { "", "", "bt <bdisp8>", "10001001i8p1....", - "if (T) {", - " nia = PC + 4 + (SEXT (i) * 2);", - " cycles += 2;", - "}", - }, - - { "", "", "bt.s <bdisp8>", "10001101i8p1....", - "if (T) {", - " nia = PC + 4 + (SEXT (i) * 2);", - " cycles += 2;", - " Delay_Slot (PC + 2);", - "}", - }, - - { "", "", "clrmac", "0000000000101000", - "MACH = 0;", - "MACL = 0;", - }, - - { "", "", "clrs", "0000000001001000", - "SET_SR_S (0);", - }, - - { "", "", "clrt", "0000000000001000", - "SET_SR_T (0);", - }, - - { "", "0", "cmp/eq #<imm>,R0", "10001000i8*1....", - "SET_SR_T (R0 == SEXT (i));", - }, - { "", "mn", "cmp/eq <REG_M>,<REG_N>", "0011nnnnmmmm0000", - "SET_SR_T (R[n] == R[m]);", - }, - { "", "mn", "cmp/ge <REG_M>,<REG_N>", "0011nnnnmmmm0011", - "SET_SR_T (R[n] >= R[m]);", - }, - { "", "mn", "cmp/gt <REG_M>,<REG_N>", "0011nnnnmmmm0111", - "SET_SR_T (R[n] > R[m]);", - }, - { "", "mn", "cmp/hi <REG_M>,<REG_N>", "0011nnnnmmmm0110", - "SET_SR_T (UR[n] > UR[m]);", - }, - { "", "mn", "cmp/hs <REG_M>,<REG_N>", "0011nnnnmmmm0010", - "SET_SR_T (UR[n] >= UR[m]);", - }, - { "", "n", "cmp/pl <REG_N>", "0100nnnn00010101", - "SET_SR_T (R[n] > 0);", - }, - { "", "n", "cmp/pz <REG_N>", "0100nnnn00010001", - "SET_SR_T (R[n] >= 0);", - }, - { "", "mn", "cmp/str <REG_M>,<REG_N>", "0010nnnnmmmm1100", - "ult = R[n] ^ R[m];", - "SET_SR_T (((ult & 0xff000000) == 0)", - " | ((ult & 0xff0000) == 0)", - " | ((ult & 0xff00) == 0)", - " | ((ult & 0xff) == 0));", - }, - - { "", "mn", "div0s <REG_M>,<REG_N>", "0010nnnnmmmm0111", - "SET_SR_Q ((R[n] & sbit) != 0);", - "SET_SR_M ((R[m] & sbit) != 0);", - "SET_SR_T (M != Q);", - }, - - { "", "", "div0u", "0000000000011001", - "SET_SR_M (0);", - "SET_SR_Q (0);", - "SET_SR_T (0);", - }, - - { "", "", "div1 <REG_M>,<REG_N>", "0011nnnnmmmm0100", - "div1 (R, m, n/*, T*/);", - }, - - { "", "nm", "dmuls.l <REG_M>,<REG_N>", "0011nnnnmmmm1101", - "dmul (1/*signed*/, R[n], R[m]);", - }, - - { "", "nm", "dmulu.l <REG_M>,<REG_N>", "0011nnnnmmmm0101", - "dmul (0/*unsigned*/, R[n], R[m]);", - }, - - { "n", "n", "dt <REG_N>", "0100nnnn00010000", - "R[n]--;", - "SET_SR_T (R[n] == 0);", - }, - - { "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);", - }, - - /* sh3e */ - { "", "", "fabs <FREG_N>", "1111nnnn01011101", - "FP_UNARY (n, fabs);", - "/* FIXME: FR(n) &= 0x7fffffff; */", - }, - - /* sh3e */ - { "", "", "fadd <FREG_M>,<FREG_N>", "1111nnnnmmmm0000", - "FP_OP (n, +, m);", - }, - - /* sh3e */ - { "", "", "fcmp/eq <FREG_M>,<FREG_N>", "1111nnnnmmmm0100", - "FP_CMP (n, ==, m);", - }, - /* sh3e */ - { "", "", "fcmp/gt <FREG_M>,<FREG_N>", "1111nnnnmmmm0101", - "FP_CMP (n, >, m);", - }, - - /* start-sanitize-sh4 */ - { "", "", "fcnvds <DR_N>,FPUL", "1111nnnn10111101", - "if (! FPSCR_PR || n & 1)", - " saved_state.asregs.exception = SIGILL;", - "else", - "{", - " char buf[4];", - " *(float *)buf = DR(n);", - " FPUL = *(int *)buf;", - "}", - }, - /* end-sanitize-sh4 */ - - /* start-sanitize-sh4 */ - { "", "", "fcnvsd FPUL,<DR_N>", "1111nnnn10101101", - "if (! FPSCR_PR || n & 1)", - " saved_state.asregs.exception = SIGILL;", - "else", - "{", - " char buf[4];", - " *(int *)buf = FPUL;", - " SET_DR(n, *(float *)buf);", - "}", - }, - /* end-sanitize-sh4 */ - - /* sh3e */ - { "", "", "fdiv <FREG_M>,<FREG_N>", "1111nnnnmmmm0011", - "FP_OP (n, /, m);", - "/* FIXME: check for DP and (n & 1) == 0? */", - }, - - /* start-sanitize-sh4 */ - { "", "", "fipr <FV_M>,<FV_N>", "1111nnmm11101101", - "/* FIXME: not implemented */", - "saved_state.asregs.exception = SIGILL;", - "/* FIXME: check for DP and (n & 1) == 0? */", - }, - /* end-sanitize-sh4 */ - - /* sh3e */ - { "", "", "fldi0 <FREG_N>", "1111nnnn10001101", - "SET_FR (n, (float)0.0);", - "/* FIXME: check for DP and (n & 1) == 0? */", - }, - - /* sh3e */ - { "", "", "fldi1 <FREG_N>", "1111nnnn10011101", - "SET_FR (n, (float)1.0);", - "/* FIXME: check for DP and (n & 1) == 0? */", - }, - - /* sh3e */ - { "", "", "flds <FREG_N>,FPUL", "1111nnnn00011101", - "char buf[4];", - "*(float *)buf = FR(n);", - "FPUL = *(int *)buf;", - }, - - /* sh3e */ - { "", "", "float FPUL,<FREG_N>", "1111nnnn00101101", - /* start-sanitize-sh4 */ - "if (FPSCR_PR)", - " SET_DR (n, (double)FPUL);", - "else", - /* end-sanitize-sh4 */ - "{", - " SET_FR (n, (float)FPUL);", - "}", - }, - - /* sh3e */ - { "", "", "fmac <FREG_0>,<FREG_M>,<FREG_N>", "1111nnnnmmmm1110", - "SET_FR (n, FR(m) * FR(0) + FR(n));", - "/* FIXME: check for DP and (n & 1) == 0? */", - }, - - /* sh3e */ - { "", "", "fmov <FREG_M>,<FREG_N>", "1111nnnnmmmm1100", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " int ni = XD_TO_XF (n);", - " int mi = XD_TO_XF (m);", - " SET_XF (ni + 0, XF (mi + 0));", - " SET_XF (ni + 1, XF (mi + 1));", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " SET_FR (n, FR (m));", - "}", - }, - /* sh3e */ - { "", "", "fmov.s <FREG_M>,@<REG_N>", "1111nnnnmmmm1010", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " WDAT (R[n], m);", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " WLAT (R[n], FI(m));", - "}", - }, - /* sh3e */ - { "", "", "fmov.s @<REG_M>,<FREG_N>", "1111nnnnmmmm1000", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " RDAT (R[m], n);", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " SET_FI(n, RLAT(R[m]));", - "}", - }, - /* sh3e */ - { "", "", "fmov.s @<REG_M>+,<FREG_N>", "1111nnnnmmmm1001", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " RDAT (R[m], n);", - " R[m] += 8;", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " SET_FI (n, RLAT (R[m]));", - " R[m] += 4;", - "}", - }, - /* sh3e */ - { "", "", "fmov.s <FREG_M>,@-<REG_N>", "1111nnnnmmmm1011", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " R[n] -= 8;", - " WDAT (R[n], m);", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " R[n] -= 4;", - " WLAT (R[n], FI(m));", - "}", - }, - /* sh3e */ - { "", "", "fmov.s @(R0,<REG_M>),<FREG_N>", "1111nnnnmmmm0110", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " RDAT (R[0]+R[m], n);", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " SET_FI(n, RLAT(R[0] + R[m]));", - "}", - }, - /* sh3e */ - { "", "", "fmov.s <FREG_M>,@(R0,<REG_N>)", "1111nnnnmmmm0111", - /* start-sanitize-sh4 */ - "if (FPSCR_SZ) {", - " MA (2);", - " WDAT (R[0]+R[n], m);", - "}", - "else", - /* end-sanitize-sh4 */ - "{", - " MA (1);", - " WLAT((R[0]+R[n]), FI(m));", - "}", - }, - - /* start-sanitize-sh4 */ - /* See fmov instructions above for move to/from extended fp - registers */ - /* end-sanitize-sh4 */ - - /* sh3e */ - { "", "", "fmul <FREG_M>,<FREG_N>", "1111nnnnmmmm0010", - "FP_OP(n, *, m);", - }, - - /* sh3e */ - { "", "", "fneg <FREG_N>", "1111nnnn01001101", - "FP_UNARY(n, -);", - }, - - /* start-sanitize-sh4 */ - { "", "", "frchg", "1111101111111101", - "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_FR);", - }, - /* end-sanitize-sh4 */ - - /* start-sanitize-sh4 */ - { "", "", "fschg", "1111001111111101", - "SET_FPSCR (GET_FPSCR() ^ FPSCR_MASK_SZ);", - }, - /* end-sanitize-sh4 */ - - /* sh3e */ - { "", "", "fsqrt <FREG_N>", "1111nnnn01101101", - "FP_UNARY(n, sqrt);", - }, - - /* sh3e */ - { "", "", "fsub <FREG_M>,<FREG_N>", "1111nnnnmmmm0001", - "FP_OP(n, -, m);", - }, - - /* sh3e */ - { "", "", "ftrc <FREG_N>, FPUL", "1111nnnn00111101", - /* start-sanitize-sh4 */ - "if (FPSCR_PR) {", - " if (DR(n) != DR(n)) /* NaN */", - " FPUL = 0x80000000;", - " else", - " FPUL = (int)DR(n);", - "}", - "else", - /* end-sanitize-sh4 */ - "if (FR(n) != FR(n)) /* NaN */", - " FPUL = 0x80000000;", - "else", - " FPUL = (int)FR(n);", - }, - - /* start-sanitize-sh4 */ -#if 0 - /* ftst/nan would appear to have been dropped */ - /* end-sanitize-sh4 */ - /* sh3e */ - { "", "", "ftst/nan <FREG_N>", "1111nnnn01111101", - "SET_SR_T (isnan (FR(n)));", - }, - /* start-sanitize-sh4 */ -#endif - /* end-sanitize-sh4 */ - - /* sh3e */ - { "", "", "fsts FPUL,<FREG_N>", "1111nnnn00001101", - "char buf[4];", - "*(int *)buf = FPUL;", - "SET_FR (n, *(float *)buf);", - }, - - { "", "n", "jmp @<REG_N>", "0100nnnn00101011", - "nia = R[n];", - "Delay_Slot (PC + 2);", - }, - - { "", "n", "jsr @<REG_N>", "0100nnnn00001011", - "PR = PC + 4;", - "nia = R[n];", - "if (~doprofile)", - " gotcall (PR, nia);", - "Delay_Slot (PC + 2);", - }, - - { "", "n", "ldc <REG_N>,GBR", "0100nnnn00011110", - "GBR = R[n];", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,SR", "0100nnnn00001110", - "SET_SR (R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,VBR", "0100nnnn00101110", - "VBR = R[n];", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,SSR", "0100nnnn00111110", - "SSR = R[n];", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,SPC", "0100nnnn01001110", - "SPC = R[n];", - "/* FIXME: user mode */", - }, - /* start-sanitize-sh4 */ -#if 0 - { "", "n", "ldc <REG_N>,DBR", "0100nnnn11111010", - "DBR = R[n];", - "/* FIXME: user mode */", - }, -#endif - /* end-sanitize-sh4 */ - { "", "n", "ldc <REG_N>,R0_BANK", "0100nnnn10001110", - "SET_Rn_BANK (0, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R1_BANK", "0100nnnn10011110", - "SET_Rn_BANK (1, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R2_BANK", "0100nnnn10101110", - "SET_Rn_BANK (2, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R3_BANK", "0100nnnn10111110", - "SET_Rn_BANK (3, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R4_BANK", "0100nnnn11001110", - "SET_Rn_BANK (4, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R5_BANK", "0100nnnn11011110", - "SET_Rn_BANK (5, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R6_BANK", "0100nnnn11101110", - "SET_Rn_BANK (6, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc <REG_N>,R7_BANK", "0100nnnn11111110", - "SET_Rn_BANK (7, R[n]);", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,GBR", "0100nnnn00010111", - "MA (1);", - "GBR = RLAT (R[n]);", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,SR", "0100nnnn00000111", - "MA (1);", - "SET_SR (RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,VBR", "0100nnnn00100111", - "MA (1);", - "VBR = RLAT (R[n]);", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,SSR", "0100nnnn00110111", - "MA (1);", - "SSR = RLAT (R[n]);", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,SPC", "0100nnnn01000111", - "MA (1);", - "SPC = RLAT (R[n]);", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - /* start-sanitize-sh4 */ -#if 0 - { "", "n", "ldc.l @<REG_N>+,DBR", "0100nnnn11110110", - "MA (1);", - "DBR = RLAT (R[n]);", - "R[n] += 4;", - "/* FIXME: user mode */", - }, -#endif - /* end-sanitize-sh4 */ - { "", "n", "ldc.l @<REG_N>+,R0_BANK", "0100nnnn10000111", - "MA (1);", - "SET_Rn_BANK (0, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R1_BANK", "0100nnnn10010111", - "MA (1);", - "SET_Rn_BANK (1, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R2_BANK", "0100nnnn10100111", - "MA (1);", - "SET_Rn_BANK (2, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R3_BANK", "0100nnnn10110111", - "MA (1);", - "SET_Rn_BANK (3, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R4_BANK", "0100nnnn11000111", - "MA (1);", - "SET_Rn_BANK (4, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R5_BANK", "0100nnnn11010111", - "MA (1);", - "SET_Rn_BANK (5, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R6_BANK", "0100nnnn11100111", - "MA (1);", - "SET_Rn_BANK (6, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - { "", "n", "ldc.l @<REG_N>+,R7_BANK", "0100nnnn11110111", - "MA (1);", - "SET_Rn_BANK (7, RLAT (R[n]));", - "R[n] += 4;", - "/* FIXME: user mode */", - }, - - /* sh3e */ - { "", "", "lds <REG_N>,FPUL", "0100nnnn01011010", - "FPUL = R[n];", - }, - /* sh3e */ - { "", "", "lds.l @<REG_N>+,FPUL", "0100nnnn01010110", - "MA (1);", - "FPUL = RLAT(R[n]);", - "R[n] += 4;", - }, - /* sh3e */ - { "", "", "lds <REG_N>,FPSCR", "0100nnnn01101010", - "SET_FPSCR(R[n]);", - }, - /* sh3e */ - { "", "", "lds.l @<REG_N>+,FPSCR", "0100nnnn01100110", - "MA (1);", - "SET_FPSCR (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", - "MA (1);", - "MACH = SEXT(RLAT(R[n]));", - "R[n]+=4;", - }, - { "", "n", "lds.l @<REG_N>+,MACL", "0100nnnn00010110", - "MA (1);", - "MACL = RLAT(R[n]);", - "R[n]+=4;", - }, - { "", "n", "lds.l @<REG_N>+,PR", "0100nnnn00100110", - "MA (1);", - "PR = RLAT(R[n]);", - "R[n]+=4;;", - }, - - { "", "", "ldtlb", "0000000000111000", - "/* FIXME: XXX*/ abort();", - }, - - { "", "nm", "mac.l @<REG_M>+,@<REG_N>+", "0000nnnnmmmm1111", - "trap (255,R0,memory,maskl,maskw,little_endian);", - "/* FIXME: mac.l support */", - }, - - { "", "nm", "mac.w @<REG_M>+,@<REG_N>+", "0100nnnnmmmm1111", - "macw(R0,memory,n,m);", - }, - - { "n", "", "mov #<imm>,<REG_N>", "1110nnnni8*1....", - "R[n] = SEXT(i);", - }, - { "n", "m", "mov <REG_M>,<REG_N>", "0110nnnnmmmm0011", - "R[n] = R[m];", - }, - - { "0", "", "mov.b @(<disp>,GBR),R0", "11000100i8*1....", - "MA (1);", - "R0 = RSBAT (i + GBR);", - "L (0);", - }, - { "0", "m", "mov.b @(<disp>,<REG_M>),R0", "10000100mmmmi4*1", - "MA (1);", - "R0 = RSBAT (i + R[m]);", - "L (0);", - }, - { "n", "0m", "mov.b @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1100", - "MA (1);", - "R[n] = RSBAT (R0 + R[m]);", - "L (n);", - }, - { "n", "m", "mov.b @<REG_M>+,<REG_N>", "0110nnnnmmmm0100", - "MA (1);", - "R[n] = RSBAT (R[m]);", - "R[m] += 1;", - "L (n);", - }, - { "", "mn", "mov.b <REG_M>,@<REG_N>", "0010nnnnmmmm0000", - "MA (1);", - "WBAT (R[n], R[m]);", - }, - { "", "0", "mov.b R0,@(<disp>,GBR)", "11000000i8*1....", - "MA (1);", - "WBAT (i + GBR, R0);", - }, - { "", "m0", "mov.b R0,@(<disp>,<REG_M>)", "10000000mmmmi4*1", - "MA (1);", - "WBAT (i + R[m], R0);", - }, - { "", "mn0", "mov.b <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0100", - "MA (1);", - "WBAT (R[n] + R0, R[m]);", - }, - { "", "nm", "mov.b <REG_M>,@-<REG_N>", "0010nnnnmmmm0100", - "MA (1);", - "R[n] -= 1;", - "WBAT (R[n], R[m]);", - }, - { "n", "m", "mov.b @<REG_M>,<REG_N>", "0110nnnnmmmm0000", - "MA (1);", - "R[n] = RSBAT (R[m]);", - "L (n);", - }, - - { "0", "", "mov.l @(<disp>,GBR),R0", "11000110i8*4....", - "MA (1);", - "R0 = RLAT (i + GBR);", - "L (0);", - }, - { "n", "", "mov.l @(<disp>,PC),<REG_N>", "1101nnnni8p4....", - "MA (1);", - "R[n] = RLAT((PC & ~3) + 4 + i);", - "L (n);", - }, - { "n", "m", "mov.l @(<disp>,<REG_M>),<REG_N>", "0101nnnnmmmmi4*4", - "MA (1);", - "R[n] = RLAT (i + R[m]);", - "L (n);", - }, - { "n", "m0", "mov.l @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1110", - "MA (1);", - "R[n] = RLAT (R0 + R[m]);", - "L (n);", - }, - { "nm", "m", "mov.l @<REG_M>+,<REG_N>", "0110nnnnmmmm0110", - "MA (1);", - "R[n] = RLAT (R[m]);", - "R[m] += 4;", - "L (n);", - }, - { "n", "m", "mov.l @<REG_M>,<REG_N>", "0110nnnnmmmm0010", - "MA (1);", - "R[n] = RLAT (R[m]);", - "L (n);", - }, - { "", "0", "mov.l R0,@(<disp>,GBR)", "11000010i8*4....", - "MA (1);", - "WLAT (i + GBR, R0);", - }, - { "", "nm", "mov.l <REG_M>,@(<disp>,<REG_N>)", "0001nnnnmmmmi4*4", - "MA (1);", - "WLAT (i + R[n], R[m]);", - }, - { "", "nm0", "mov.l <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0110", - "MA (1);", - "WLAT (R0 + R[n], R[m]);", - }, - { "", "nm", "mov.l <REG_M>,@-<REG_N>", "0010nnnnmmmm0110", - "MA (1) ;", - "R[n] -= 4;", - "WLAT (R[n], R[m]);", - }, - { "", "nm", "mov.l <REG_M>,@<REG_N>", "0010nnnnmmmm0010", - "MA (1);", - "WLAT (R[n], R[m]);", - }, - - { "0", "", "mov.w @(<disp>,GBR),R0", "11000101i8*2....", - "MA (1)", - ";R0 = RSWAT (i + GBR);", - "L (0);", - }, - { "n", "", "mov.w @(<disp>,PC),<REG_N>", "1001nnnni8p2....", - "MA (1);", - "R[n] = RSWAT (PC + 4 + i);", - "L (n);", - }, - { "0", "m", "mov.w @(<disp>,<REG_M>),R0", "10000101mmmmi4*2", - "MA (1);", - "R0 = RSWAT (i + R[m]);", - "L (0);", - }, - { "n", "m0", "mov.w @(R0,<REG_M>),<REG_N>", "0000nnnnmmmm1101", - "MA (1);", - "R[n] = RSWAT (R0 + R[m]);", - "L (n);", - }, - { "nm", "n", "mov.w @<REG_M>+,<REG_N>", "0110nnnnmmmm0101", - "MA (1);", - "R[n] = RSWAT (R[m]);", - "R[m] += 2;", - "L (n);", - }, - { "n", "m", "mov.w @<REG_M>,<REG_N>", "0110nnnnmmmm0001", - "MA (1);", - "R[n] = RSWAT (R[m]);", - "L (n);", - }, - { "", "0", "mov.w R0,@(<disp>,GBR)", "11000001i8*2....", - "MA (1);", - "WWAT (i + GBR, R0);", - }, - { "", "0m", "mov.w R0,@(<disp>,<REG_M>)", "10000001mmmmi4*2", - "MA (1);", - "WWAT (i + R[m], R0);", - }, - { "", "m0n", "mov.w <REG_M>,@(R0,<REG_N>)", "0000nnnnmmmm0101", - "MA (1);", - "WWAT (R0 + R[n], R[m]);", - }, - { "n", "mn", "mov.w <REG_M>,@-<REG_N>", "0010nnnnmmmm0101", - "MA (1);", - "R[n] -= 2;", - "WWAT (R[n], R[m]);", - }, - { "", "nm", "mov.w <REG_M>,@<REG_N>", "0010nnnnmmmm0001", - "MA (1);", - "WWAT (R[n], R[m]);", - }, - - { "0", "", "mova @(<disp>,PC),R0", "11000111i8p4....", - "R0 = ((i + 4 + PC) & ~0x3);", - }, - - /* start-sanitize-sh4 */ - { "0", "", "movca.l @R0, <REG_N>", "0000nnnn11000011", - "/* FIXME: Not implemented */", - "saved_state.asregs.exception = SIGILL;", - }, - /* end-sanitize-sh4 */ - - { "n", "", "movt <REG_N>", "0000nnnn00101001", - "R[n] = T;", - }, - - { "", "mn", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", - "MACL = ((int)R[n]) * ((int)R[m]);", - }, -#if 0 - { "", "nm", "mul.l <REG_M>,<REG_N>", "0000nnnnmmmm0111", - "MACL = R[n] * R[m];", - }, -#endif - - /* muls.w - see muls */ - { "", "mn", "muls <REG_M>,<REG_N>", "0010nnnnmmmm1111", - "MACL = ((int)(short)R[n]) * ((int)(short)R[m]);", - }, - - /* mulu.w - see mulu */ - { "", "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 = -T;", - "SET_SR_T (ult > 0);", - "R[n] = ult - R[m];", - "SET_SR_T (T || (R[n] > ult));", - }, - - { "", "", "nop", "0000000000001001", - "/* nop */", - }, - - { "n", "m", "not <REG_M>,<REG_N>", "0110nnnnmmmm0111", - "R[n] = ~R[m];", - }, - - /* start-sanitize-sh4 */ - { "0", "", "ocbi @<REG_N>", "0000nnnn10010011", - "/* FIXME: Not implemented */", - "saved_state.asregs.exception = SIGILL;", - }, - /* end-sanitize-sh4 */ - - /* start-sanitize-sh4 */ - { "0", "", "ocbp @<REG_N>", "0000nnnn10100011", - "/* FIXME: Not implemented */", - "saved_state.asregs.exception = SIGILL;", - }, - /* end-sanitize-sh4 */ - - /* start-sanitize-sh4 */ - { "", "n", "ocbwb @<REG_N>", "0000nnnn10110011", - "RSBAT (R[n]); /* Take exceptions like byte load. */", - "/* FIXME: Cache not implemented */", - }, - /* end-sanitize-sh4 */ - - { "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....", - "MA (1);", - "WBAT (R0 + GBR, (RBAT (R0 + GBR) | i));", - }, - - { "", "n", "pref @<REG_N>", "0000nnnn10000011", - "/* Except for the effect on the cache - which is not simulated -", - " this is like a nop. */", - }, - - { "n", "n", "rotcl <REG_N>", "0100nnnn00100100", - "ult = R[n] < 0;", - "R[n] = (R[n] << 1) | T;", - "SET_SR_T (ult);", - }, - - { "n", "n", "rotcr <REG_N>", "0100nnnn00100101", - "ult = R[n] & 1;", - "R[n] = (UR[n] >> 1) | (T << 31);", - "SET_SR_T (ult);", - }, - - { "n", "n", "rotl <REG_N>", "0100nnnn00000100", - "SET_SR_T (R[n] < 0);", - "R[n] <<= 1;", - "R[n] |= T;", - }, - - { "n", "n", "rotr <REG_N>", "0100nnnn00000101", - "SET_SR_T (R[n] & 1);", - "R[n] = UR[n] >> 1;", - "R[n] |= (T << 31);", - }, - - { "", "", "rte", "0000000000101011", -#if 0 - /* SH-[12] */ - "int tmp = PC;", - "nia = RLAT (R[15]) + 2;", - "R[15] += 4;", - "SET_SR (RLAT (R[15]) & 0x3f3);", - "R[15] += 4;", - "Delay_Slot (PC + 2);", -#else - "nia = SPC;", - "SET_SR (SSR);", - "Delay_Slot (PC + 2);", -#endif - }, - - { "", "", "rts", "0000000000001011", - "nia = PR;", - "Delay_Slot (PC + 2);", - }, - - { "", "", "sets", "0000000001011000", - "SET_SR_S (1);", - }, - - { "", "", "sett", "0000000000011000", - "SET_SR_T (1);", - }, - - { "n", "mn", "shad <REG_M>,<REG_N>", "0100nnnnmmmm1100", - "R[n] = (R[m] < 0) ? (R[n] >> ((-R[m])&0x1f)) : (R[n] << (R[m] & 0x1f));", - }, - - { "n", "n", "shal <REG_N>", "0100nnnn00100000", - "SET_SR_T (R[n] < 0);", - "R[n] <<= 1;", - }, - - { "n", "n", "shar <REG_N>", "0100nnnn00100001", - "SET_SR_T (R[n] & 1);", - "R[n] = R[n] >> 1;", - }, - - { "n", "mn", "shld <REG_M>,<REG_N>", "0100nnnnmmmm1101", - "R[n] = (R[m] < 0) ? (UR[n] >> ((-R[m])&0x1f)): (R[n] << (R[m] & 0x1f));", - }, - - { "n", "n", "shll <REG_N>", "0100nnnn00000000", - "SET_SR_T (R[n] < 0);", - "R[n] <<= 1;", - }, - - { "n", "n", "shll2 <REG_N>", "0100nnnn00001000", - "R[n] <<= 2;", - }, - { "n", "n", "shll8 <REG_N>", "0100nnnn00011000", - "R[n] <<= 8;", - }, - { "n", "n", "shll16 <REG_N>", "0100nnnn00101000", - "R[n] <<= 16;", - }, - - { "n", "n", "shlr <REG_N>", "0100nnnn00000001", - "SET_SR_T (R[n] & 1);", - "R[n] = UR[n] >> 1;", - }, - - { "n", "n", "shlr2 <REG_N>", "0100nnnn00001001", - "R[n] = UR[n] >> 2;", - }, - { "n", "n", "shlr8 <REG_N>", "0100nnnn00011001", - "R[n] = UR[n] >> 8;", - }, - { "n", "n", "shlr16 <REG_N>", "0100nnnn00101001", - "R[n] = UR[n] >> 16;", - }, - - { "", "", "sleep", "0000000000011011", - "trap (0xc3, R0, memory, maskl, maskw, little_endian);", - "nia = PC;", - }, - - { "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", "", "stc SSR,<REG_N>", "0000nnnn00110010", - "R[n] = SSR;", - }, - { "n", "", "stc SPC,<REG_N>", "0000nnnn01000010", - "R[n] = SPC;", - }, - /* start-sanitize-sh4 */ -#if 0 - { "n", "", "stc SGR,<REG_N>", "0000nnnn00111010", - "R[n] = SGR;", - }, - { "n", "", "stc DBR,<REG_N>", "0000nnnn11111010", - "R[n] = DBR;", - }, -#endif - /* end-sanitize-sh4 */ - { "n", "", "stc R0_BANK,<REG_N>", "0000nnnn10000010", - "R[n] = Rn_BANK (0);", - }, - { "n", "", "stc R1_BANK,<REG_N>", "0000nnnn10010010", - "R[n] = Rn_BANK (1);", - }, - { "n", "", "stc R2_BANK,<REG_N>", "0000nnnn10100010", - "R[n] = Rn_BANK (2);", - }, - { "n", "", "stc R3_BANK,<REG_N>", "0000nnnn10110010", - "R[n] = Rn_BANK (3);", - }, - { "n", "", "stc R4_BANK,<REG_N>", "0000nnnn11000010", - "R[n] = Rn_BANK (4);", - }, - { "n", "", "stc R5_BANK,<REG_N>", "0000nnnn11010010", - "R[n] = Rn_BANK (5);", - }, - { "n", "", "stc R6_BANK,<REG_N>", "0000nnnn11100010", - "R[n] = Rn_BANK (6);", - }, - { "n", "", "stc R7_BANK,<REG_N>", "0000nnnn11110010", - "R[n] = Rn_BANK (7);", - }, - { "n", "n", "stc.l GBR,@-<REG_N>", "0100nnnn00010011", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], GBR);;", - }, - { "n", "n", "stc.l SR,@-<REG_N>", "0100nnnn00000011", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], GET_SR());", - }, - { "n", "n", "stc.l VBR,@-<REG_N>", "0100nnnn00100011", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], VBR);", - }, - { "n", "n", "stc.l SSR,@-<REG_N>", "0100nnnn00110011", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], SSR);", - }, - { "n", "n", "stc.l SPC,@-<REG_N>", "0100nnnn01000011", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], SPC);", - }, - /* start-sanitize-sh4 */ -#if 0 - { "n", "n", "stc.l SGR,@-<REG_N>", "0100nnnn00110010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], SGR);", - }, - { "n", "n", "stc.l DBR,@-<REG_N>", "0100nnnn11110010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], DBR);", - }, -#endif - /* end-sanitize-sh4 */ - { "n", "", "stc R0_BANK,@-<REG_N>", "0100nnnn10000010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (0));", - }, - { "n", "", "stc R1_BANK,@-<REG_N>", "0100nnnn10010010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (1));", - }, - { "n", "", "stc R2_BANK,@-<REG_N>", "0100nnnn10100010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (2));", - }, - { "n", "", "stc R3_BANK,@-<REG_N>", "0100nnnn10110010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (3));", - }, - { "n", "", "stc R4_BANK,@-<REG_N>", "0100nnnn11000010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (4));", - }, - { "n", "", "stc R5_BANK,@-<REG_N>", "0100nnnn11010010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (5));", - }, - { "n", "", "stc R6_BANK,@-<REG_N>", "0100nnnn11100010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (6));", - }, - { "n", "", "stc R7_BANK,@-<REG_N>", "0100nnnn11110010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], Rn_BANK (7));", - }, - - /* sh3e */ - { "", "", "sts FPUL,<REG_N>", "0000nnnn01011010", - "R[n] = FPUL;", - }, - /* sh3e */ - { "", "", "sts.l FPUL,@-<REG_N>", "0100nnnn01010010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], FPUL);", - }, - /* sh3e */ - { "", "", "sts FPSCR,<REG_N>", "0000nnnn01101010", - "R[n] = GET_FPSCR ();", - }, - /* sh3e */ - { "", "", "sts.l FPSCR,@-<REG_N>", "0100nnnn01100010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], GET_FPSCR ());", - }, - - { "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", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], MACH);", - }, - { "n", "n", "sts.l MACL,@-<REG_N>", "0100nnnn00010010", - "MA (1);", - "R[n] -= 4;", - "WLAT (R[n], MACL);", - }, - { "n", "n", "sts.l PR,@-<REG_N>", "0100nnnn00100010", - "MA (1);", - "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;", - "SET_SR_T (ult > R[n]);", - "R[n] = ult - R[m];", - "SET_SR_T (T || (R[n] > ult));", - }, - - { "n", "nm", "subv <REG_M>,<REG_N>", "0011nnnnmmmm1011", - "ult = R[n] - R[m];", - "SET_SR_T (((R[n] ^ R[m]) & (ult ^ R[n])) >> 31);", - "R[n] = ult;", - }, - - { "n", "nm", "swap.b <REG_M>,<REG_N>", "0110nnnnmmmm1000", - "R[n] = ((R[m] & 0xffff0000)", - " | ((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", - "MA (1);", - "ult = RBAT(R[n]);", - "SET_SR_T (ult == 0);", - "WBAT(R[n],ult|0x80);", - }, - - { "0", "", "trapa #<imm>", "11000011i8*1....", -#if 0 - /* SH-[12] */ - "long imm = 0xff & i;", - "if (i==0xc3)", - " PC-=2;", - "if (i<20||i==34||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;", - "}", -#else - "if (i == 0xc3)", - " {", - " nia = PC;", - " trap (i, R, memory, maskl, maskw, little_endian);", - " }", - "else if (i < 20 || i==34 || i==0xc3)", - " trap (i, R, memory, maskl, maskw, little_endian);", - "else if (!SR_BL) {", - " /* FIXME: TRA = (imm << 2); */", - " SSR = GET_SR();", - " SPC = PC + 2;", - " SET_SR (GET_SR() | SR_MASK_MD | SR_MASK_BL | SR_MASK_RB);", - " /* FIXME: EXPEVT = 0x00000160; */", - " nia = VBR + 0x00000100;", - "}", -#endif - }, - - { "", "mn", "tst <REG_M>,<REG_N>", "0010nnnnmmmm1000", - "SET_SR_T ((R[n] & R[m]) == 0);", - }, - { "", "0", "tst #<imm>,R0", "11001000i8*1....", - "SET_SR_T ((R0 & i) == 0);", - }, - { "", "0", "tst.b #<imm>,@(R0,GBR)", "11001100i8*1....", - "MA (1);", - "SET_SR_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....", - "MA (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));", - }, - - /* start-sanitize-sh4 */ -#if 0 - { "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 - /* end-sanitize-sh4 */ - - {0, 0}}; - -/* Tables of things to put into enums for sh-opc.h */ -static char *nibble_type_list[] = -{ - "HEX_0", - "HEX_1", - "HEX_2", - "HEX_3", - "HEX_4", - "HEX_5", - "HEX_6", - "HEX_7", - "HEX_8", - "HEX_9", - "HEX_A", - "HEX_B", - "HEX_C", - "HEX_D", - "HEX_E", - "HEX_F", - "REG_N", - "REG_M", - "BRANCH_12", - "BRANCH_8", - "DISP_8", - "DISP_4", - "IMM_4", - "IMM_4BY2", - "IMM_4BY4", - "PCRELIMM_8BY2", - "PCRELIMM_8BY4", - "IMM_8", - "IMM_8BY2", - "IMM_8BY4", - 0 -}; -static -char *arg_type_list[] = -{ - "A_END", - "A_BDISP12", - "A_BDISP8", - "A_DEC_M", - "A_DEC_N", - "A_DISP_GBR", - "A_DISP_PC", - "A_DISP_REG_M", - "A_DISP_REG_N", - "A_GBR", - "A_IMM", - "A_INC_M", - "A_INC_N", - "A_IND_M", - "A_IND_N", - "A_IND_R0_REG_M", - "A_IND_R0_REG_N", - "A_MACH", - "A_MACL", - "A_PR", - "A_R0", - "A_R0_GBR", - "A_REG_M", - "A_REG_N", - "A_SR", - "A_VBR", - "A_SSR", - "A_SPC", - 0, -}; - -static void -make_enum_list (name, s) - char *name; - char **s; -{ - int i = 1; - printf ("typedef enum {\n"); - while (*s) - { - 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, "SSR", "A_SSR"); - printonmatch (&p, "SPC", "A_SPC"); - 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 () -{ - op *p; - sorttab (); - for (p = tab; p->name; p++) - { - printf ("%s %-30s\n", p->code, p->name); - } - - -} - - -static void -genopc () -{ - op *p; - make_enum_list ("sh_nibble_type", nibble_type_list); - make_enum_list ("sh_arg_type", arg_type_list); - - printf ("typedef struct {\n"); - printf ("char *name;\n"); - printf ("sh_arg_type arg[3];\n"); - printf ("sh_nibble_type nibbles[4];\n"); - printf ("} sh_opcode_info;\n"); - printf ("#ifdef DEFINE_TABLE\n"); - printf ("sh_opcode_info sh_table[]={\n"); - for (p = tab; p->name; p++) - { - printf ("\n/* %s %-20s*/", p->code, p->name); - think (p); - } - printf ("0};\n"); - printf ("#endif\n"); -} - - - - - - -/* Convert a string of 4 binary digits into an int */ - -static -int -bton (s) - char *s; - -{ - int n = 0; - int v = 8; - while (v) - { - if (*s == '1') - n |= v; - v >>= 1; - s++; - } - return n; -} - -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; - - if (*s == 0) - { - table[val] = i; - } - else - { - switch (s[0]) - { - - case '0': - case '1': - { - - int n = bton (s); - if (n >= 0) - { - expand_opcode (shift - 4, val | (n << shift), i, s + 4); - } - break; - } - case 'n': - case 'm': - for (j = 0; j < 16; j++) - { - expand_opcode (shift - 4, val | (j << shift), i, s + 4); - - } - break; - - default: - for (j = 0; j < (1 << (shift + 4)); j++) - { - table[val | j] = i; - } - } - } -} - -/* Print the jump table used to index an opcode into a switch - statement entry. */ - -static void -dumptable () -{ - int lump = 256; - int online = 16; - - int i = 0; - - while (i < 1 << 16) - { - int j = 0; - - printf ("unsigned char sh_jump_table%x[%d]={\n", i, lump); - - while (j < lump) - { - int k = 0; - while (k < online) - { - printf ("%2d", table[i + j + k]); - if (j + k < lump) - printf (","); - - k++; - } - j += k; - printf ("\n"); - } - i += j; - printf ("};\n"); - } - -} - - -static void -filltable () -{ - op *p; - int index = 1; - - sorttab (); - for (p = tab; p->name; p++) - { - p->index = index++; - expand_opcode (12, 0, p->index, p->code); - } -} - -static void -gensim () -{ - op *p; - int j; - - printf ("{\n"); - printf (" switch (jump_table[iword]) {\n"); - - for (p = tab; p->name; p++) - { - int sextbit = -1; - int needm = 0; - int needn = 0; - - char *s = p->code; - - printf (" /* %s %s */\n", p->name, p->code); - printf (" case %d: \n", p->index); - - printf (" {\n"); - while (*s) - { - switch (*s) - { - case '0': - case '1': - case '.': - s += 4; - 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; - - case 'i': - printf (" int i = (iword & 0x"); - - switch (s[1]) - { - case '4': - printf ("f"); - break; - case '8': - printf ("ff"); - break; - case '1': - sextbit = 12; - - printf ("fff"); - break; - } - printf (")"); - - switch (s[3]) - { - case '1': - break; - case '2': - printf ("<<1"); - break; - case '4': - printf ("<<2"); - break; - } - printf (";\n"); - s += 4; - } - } - if (sextbit > 0) - { - printf (" i = (i ^ (1<<%d))-(1<<%d);\n", - sextbit - 1, sextbit - 1); - } - - if (needm && needn) - printf (" TB(m,n);\n"); - else if (needm) - printf (" TL(m);\n"); - else if (needn) - printf (" TL(n);\n"); - - { - /* Do the 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"); - } - } - - printf (" {\n"); - for (j = 0; j < MAX_NR_STUFF; j++) - { - if (p->stuff[j]) - { - printf (" %s\n", p->stuff[j]); - } - } - printf (" }\n"); - - { - /* Do the defs */ - char *r; - 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 (" default:\n"); - printf (" {\n"); - printf (" saved_state.asregs.exception = SIGILL;\n"); - printf (" }\n"); - printf (" }\n"); - printf ("}\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; -{ - /* verify the table before anything else */ - { - op *p; - for (p = tab; p->name; p++) - { - /* check that the code field contains 16 bits */ - if (strlen (p->code) != 16) - { - fprintf (stderr, "Code `%s' length wrong (%d) for `%s'\n", - p->code, strlen (p->code), p->name); - abort (); - } - } - } - - /* now generate the requested data */ - if (ac > 1) - { - if (strcmp (av[1], "-t") == 0) - { - gengastab (); - } - else if (strcmp (av[1], "-d") == 0) - { - gendefines (); - } - else if (strcmp (av[1], "-s") == 0) - { - filltable (); - dumptable (); - - } - else if (strcmp (av[1], "-x") == 0) - { - filltable (); - gensim (); - } - } - else - { - genopc (); - } - return 0; -} |