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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /sim/sh/gencode.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
downloadgdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip
gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz
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Initial creation of sourceware repository
Diffstat (limited to 'sim/sh/gencode.c')
-rw-r--r--sim/sh/gencode.c1962
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;
-}