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Diffstat (limited to 'gnu/usr.bin/binutils/include/opcode/tic54x.h')
| -rw-r--r-- | gnu/usr.bin/binutils/include/opcode/tic54x.h | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/gnu/usr.bin/binutils/include/opcode/tic54x.h b/gnu/usr.bin/binutils/include/opcode/tic54x.h new file mode 100644 index 00000000000..09ee8c90370 --- /dev/null +++ b/gnu/usr.bin/binutils/include/opcode/tic54x.h @@ -0,0 +1,167 @@ +/* tic54x.h -- Header file for TI TMS320C54X opcode table + Copyright 1999, 2000 Free Software Foundation, Inc. + Written by Timothy Wall (twall@cygnus.com) + +This file is part of GDB, GAS, and the GNU binutils. + +GDB, GAS, and the GNU binutils are free software; you can redistribute +them and/or modify them under the terms of the GNU General Public +License as published by the Free Software Foundation; either version +1, or (at your option) any later version. + +GDB, GAS, and the GNU binutils are distributed in the hope that they +will be useful, but WITHOUT ANY WARRANTY; without even the implied +warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See +the GNU General Public License for more details. + +You should have received a copy of the GNU General Public License +along with this file; see the file COPYING. If not, write to the Free +Software Foundation, 59 Temple Place - Suite 330, Boston, MA +02111-1307, USA. */ + +#ifndef _TIC54X_H_ +#define _TIC54X_H_ + +typedef struct _symbol +{ + const char *name; + unsigned short value; +} symbol; + +enum optype { + OPT = 0x8000, + OP_None = 0x0, + + OP_Xmem, /* AR3 or AR4, indirect */ + OP_Ymem, /* AR3 or AR4, indirect */ + OP_pmad, /* PROG mem, direct */ + OP_dmad, /* DATA mem, direct */ + OP_Smem, + OP_Lmem, /* 32-bit single-addressed (direct/indirect) */ + OP_MMR, + OP_PA, + OP_Sind, + OP_xpmad, + OP_xpmad_ms7, + OP_MMRX, + OP_MMRY, + + OP_SRC1, /* src accumulator in bit 8 */ + OP_SRC, /* src accumulator in bit 9 */ + OP_RND, /* rounded result dst accumulator, opposite of bit 8 */ + OP_DST, /* dst accumulator in bit 8 */ + OP_ARX, /* arX in bits 0-3 */ + OP_SHIFT, /* -16 to 15 (SHIFT), bits 0-4 */ + OP_SHFT, /* 0 to 15 (SHIFT1 in summary), bits 0-3 */ + OP_B, /* ACC B only */ + OP_A, /* ACC A only */ + + OP_lk, /* 16-bit immediate, '#' optional */ + OP_TS, + OP_k8, /* -128 <= k <= 128 */ + OP_16, /* literal "16" */ + OP_BITC, /* 0 to 16 */ + OP_CC, /* condition code */ + OP_CC2, /* 4-bit condition code */ + OP_CC3, /* 2-bit condition code */ + OP_123, /* 1, 2, or 3 */ + OP_031, /* 0-31, numeric */ + OP_k5, /* 0 to 31 */ + OP_k8u, /* 0 to 255 */ + OP_ASM, /* "ASM" */ + OP_T, /* "T" */ + OP_DP, /* "DP" */ + OP_ARP, /* "ARP" */ + OP_k3, /* 0-7 */ + OP_lku, /* 0 to 65535 */ + OP_N, /* 0/1 or ST0/ST1 */ + OP_SBIT, /* status bit or 0-15 */ + OP_12, /* one or two */ + OP_k9, /* 9 bits of data page (DP) address */ + OP_TRN, /* "TRN" */ + +}; + +typedef struct _template +{ + /* The opcode mnemonic */ + const char *name; + + unsigned int words; /* insn size in words */ + int minops, maxops; /* min/max operand count */ + /* The significant bits in the opcode. Other bits are zero. + Instructions with more than 16 bits of opcode store the rest in the upper + 16 bits. + */ + unsigned short opcode; +#define INDIRECT(OP) ((OP)&0x80) +#define MOD(OP) (((OP)>>3)&0xF) +#define ARF(OP) ((OP)&0x7) +#define IS_LKADDR(OP) (INDIRECT(OP) && MOD(OP)>=12) +#define SRC(OP) ((OP)&0x200) +#define DST(OP) ((OP)&0x100) +#define SRC1(OP) ((OP)&0x100) +#define SHIFT(OP) (((OP)&0x10)?(((OP)&0x1F)-32):((OP)&0x1F)) +#define SHFT(OP) ((OP)&0xF) +#define ARX(OP) ((OP)&0x7) +#define XMEM(OP) (((OP)&0x00F0)>>4) +#define YMEM(OP) ((OP)&0x000F) +#define XMOD(C) (((C)&0xC)>>2) +#define XARX(C) (((C)&0x3)+2) +#define CC3(OP) (((OP)>>8)&0x3) +#define SBIT(OP) ((OP)&0xF) +#define MMR(OP) ((OP)&0x7F) +#define MMRX(OP) ((((OP)>>4)&0xF)+16) +#define MMRY(OP) (((OP)&0xF)+16) + +#define OPTYPE(X) ((X)&~OPT) + + /* Ones in this mask indicate which bits must match the opcode field. + Zeroes indicate don't care bits (operands and/or opcode options) */ + unsigned short mask; + + /* An array of operand codes (at most 4 operands) */ +#define MAX_OPERANDS 4 + enum optype operand_types[MAX_OPERANDS]; + + /* Special purpose flags (e.g. branch type, parallel, delay, etc) + */ + unsigned short flags; +#define B_NEXT 0 /* normal execution, next insn is next address */ +#define B_BRANCH 1 /* next insn is in opcode */ +#define B_RET 2 /* next insn is on stack */ +#define B_BACC 3 /* next insn is in acc */ +#define B_REPEAT 4 /* next insn repeats */ +#define FL_BMASK 0x07 + +#define FL_DELAY 0x10 /* instruction uses delay slots */ +#define FL_EXT 0x20 /* instruction takes two words */ +#define FL_FAR 0x40 /* far mode addressing */ +#define FL_LP 0x80 /* LP-only instruction */ +#define FL_NR 0x100 /* no repeat allowed */ +#define FL_SMR 0x200 /* Smem read (for flagging write-only *+ARx */ + + unsigned short opcode2, mask2; /* some insns have an extended opcode */ + +} template; + +typedef struct _partemplate { + char *name; + char *parname; + unsigned int words; /* length in words */ + int minops, maxops; /* min/max operand count for 2nd part of insn */ + unsigned short opcode; + unsigned short mask; + enum optype operand_types[MAX_OPERANDS]; + enum optype paroperand_types[MAX_OPERANDS]; +} partemplate; + +extern const template tic54x_unknown_opcode; +extern const template tic54x_optab[]; +extern const partemplate tic54x_paroptab[]; +extern const symbol mmregs[], regs[]; +extern const symbol condition_codes[], cc2_codes[], status_bits[]; +extern const symbol cc3_codes[]; +extern const char *misc_symbols[]; + +#endif /* TIC54X_H */ |