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5c84d377 TW |
1 | /* tic54x.h -- Header file for TI TMS320C54X opcode table |
2 | Copyright 1999, 2000 Free Software Foundation, Inc. | |
3 | Written by Timothy Wall (twall@cygnus.com) | |
4 | ||
5 | This file is part of GDB, GAS, and the GNU binutils. | |
6 | ||
7 | GDB, GAS, and the GNU binutils are free software; you can redistribute | |
8 | them and/or modify them under the terms of the GNU General Public | |
9 | License as published by the Free Software Foundation; either version | |
10 | 1, or (at your option) any later version. | |
11 | ||
12 | GDB, GAS, and the GNU binutils are distributed in the hope that they | |
13 | will be useful, but WITHOUT ANY WARRANTY; without even the implied | |
14 | warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See | |
15 | the GNU General Public License for more details. | |
16 | ||
17 | You should have received a copy of the GNU General Public License | |
18 | along with this file; see the file COPYING. If not, write to the Free | |
19 | Software Foundation, 59 Temple Place - Suite 330, Boston, MA | |
20 | 02111-1307, USA. */ | |
21 | ||
6e917903 TW |
22 | #ifndef _opcode_tic54x_h_ |
23 | #define _opcode_tic54x_h_ | |
5c84d377 TW |
24 | |
25 | typedef struct _symbol | |
26 | { | |
27 | const char *name; | |
28 | unsigned short value; | |
29 | } symbol; | |
30 | ||
31 | enum optype { | |
32 | OPT = 0x8000, | |
33 | OP_None = 0x0, | |
34 | ||
35 | OP_Xmem, /* AR3 or AR4, indirect */ | |
36 | OP_Ymem, /* AR3 or AR4, indirect */ | |
37 | OP_pmad, /* PROG mem, direct */ | |
38 | OP_dmad, /* DATA mem, direct */ | |
39 | OP_Smem, | |
40 | OP_Lmem, /* 32-bit single-addressed (direct/indirect) */ | |
41 | OP_MMR, | |
42 | OP_PA, | |
43 | OP_Sind, | |
44 | OP_xpmad, | |
45 | OP_xpmad_ms7, | |
46 | OP_MMRX, | |
47 | OP_MMRY, | |
48 | ||
49 | OP_SRC1, /* src accumulator in bit 8 */ | |
50 | OP_SRC, /* src accumulator in bit 9 */ | |
51 | OP_RND, /* rounded result dst accumulator, opposite of bit 8 */ | |
52 | OP_DST, /* dst accumulator in bit 8 */ | |
53 | OP_ARX, /* arX in bits 0-3 */ | |
54 | OP_SHIFT, /* -16 to 15 (SHIFT), bits 0-4 */ | |
55 | OP_SHFT, /* 0 to 15 (SHIFT1 in summary), bits 0-3 */ | |
56 | OP_B, /* ACC B only */ | |
57 | OP_A, /* ACC A only */ | |
58 | ||
59 | OP_lk, /* 16-bit immediate, '#' optional */ | |
60 | OP_TS, | |
61 | OP_k8, /* -128 <= k <= 128 */ | |
62 | OP_16, /* literal "16" */ | |
63 | OP_BITC, /* 0 to 16 */ | |
64 | OP_CC, /* condition code */ | |
65 | OP_CC2, /* 4-bit condition code */ | |
66 | OP_CC3, /* 2-bit condition code */ | |
67 | OP_123, /* 1, 2, or 3 */ | |
68 | OP_031, /* 0-31, numeric */ | |
69 | OP_k5, /* 0 to 31 */ | |
70 | OP_k8u, /* 0 to 255 */ | |
71 | OP_ASM, /* "ASM" */ | |
72 | OP_T, /* "T" */ | |
73 | OP_DP, /* "DP" */ | |
74 | OP_ARP, /* "ARP" */ | |
75 | OP_k3, /* 0-7 */ | |
76 | OP_lku, /* 0 to 65535 */ | |
77 | OP_N, /* 0/1 or ST0/ST1 */ | |
78 | OP_SBIT, /* status bit or 0-15 */ | |
79 | OP_12, /* one or two */ | |
80 | OP_k9, /* 9 bits of data page (DP) address */ | |
81 | OP_TRN, /* "TRN" */ | |
82 | ||
83 | }; | |
84 | ||
85 | typedef struct _template | |
86 | { | |
87 | /* The opcode mnemonic */ | |
88 | const char *name; | |
5c84d377 TW |
89 | unsigned int words; /* insn size in words */ |
90 | int minops, maxops; /* min/max operand count */ | |
91 | /* The significant bits in the opcode. Other bits are zero. | |
92 | Instructions with more than 16 bits of opcode store the rest in the upper | |
93 | 16 bits. | |
94 | */ | |
95 | unsigned short opcode; | |
96 | #define INDIRECT(OP) ((OP)&0x80) | |
97 | #define MOD(OP) (((OP)>>3)&0xF) | |
98 | #define ARF(OP) ((OP)&0x7) | |
99 | #define IS_LKADDR(OP) (INDIRECT(OP) && MOD(OP)>=12) | |
100 | #define SRC(OP) ((OP)&0x200) | |
101 | #define DST(OP) ((OP)&0x100) | |
102 | #define SRC1(OP) ((OP)&0x100) | |
103 | #define SHIFT(OP) (((OP)&0x10)?(((OP)&0x1F)-32):((OP)&0x1F)) | |
104 | #define SHFT(OP) ((OP)&0xF) | |
105 | #define ARX(OP) ((OP)&0x7) | |
106 | #define XMEM(OP) (((OP)&0x00F0)>>4) | |
107 | #define YMEM(OP) ((OP)&0x000F) | |
108 | #define XMOD(C) (((C)&0xC)>>2) | |
109 | #define XARX(C) (((C)&0x3)+2) | |
110 | #define CC3(OP) (((OP)>>8)&0x3) | |
111 | #define SBIT(OP) ((OP)&0xF) | |
112 | #define MMR(OP) ((OP)&0x7F) | |
113 | #define MMRX(OP) ((((OP)>>4)&0xF)+16) | |
114 | #define MMRY(OP) (((OP)&0xF)+16) | |
115 | ||
116 | #define OPTYPE(X) ((X)&~OPT) | |
117 | ||
118 | /* Ones in this mask indicate which bits must match the opcode field. | |
119 | Zeroes indicate don't care bits (operands and/or opcode options) */ | |
120 | unsigned short mask; | |
121 | ||
122 | /* An array of operand codes (at most 4 operands) */ | |
123 | #define MAX_OPERANDS 4 | |
124 | enum optype operand_types[MAX_OPERANDS]; | |
125 | ||
126 | /* Special purpose flags (e.g. branch type, parallel, delay, etc) | |
127 | */ | |
128 | unsigned short flags; | |
129 | #define B_NEXT 0 /* normal execution, next insn is next address */ | |
130 | #define B_BRANCH 1 /* next insn is in opcode */ | |
131 | #define B_RET 2 /* next insn is on stack */ | |
132 | #define B_BACC 3 /* next insn is in acc */ | |
133 | #define B_REPEAT 4 /* next insn repeats */ | |
134 | #define FL_BMASK 0x07 | |
135 | ||
136 | #define FL_DELAY 0x10 /* instruction uses delay slots */ | |
137 | #define FL_EXT 0x20 /* instruction takes two words */ | |
138 | #define FL_FAR 0x40 /* far mode addressing */ | |
139 | #define FL_LP 0x80 /* LP-only instruction */ | |
140 | #define FL_NR 0x100 /* no repeat allowed */ | |
141 | #define FL_SMR 0x200 /* Smem read (for flagging write-only *+ARx */ | |
142 | ||
6e917903 | 143 | #define FL_PAR 0x400 /* Parallel instruction. */ |
5c84d377 | 144 | |
6e917903 | 145 | unsigned short opcode2, mask2; /* some insns have an extended opcode */ |
5c84d377 | 146 | |
6e917903 | 147 | const char* parname; |
5c84d377 | 148 | enum optype paroperand_types[MAX_OPERANDS]; |
6e917903 TW |
149 | |
150 | } template; | |
5c84d377 TW |
151 | |
152 | extern const template tic54x_unknown_opcode; | |
153 | extern const template tic54x_optab[]; | |
6e917903 | 154 | extern const template tic54x_paroptab[]; |
5c84d377 TW |
155 | extern const symbol mmregs[], regs[]; |
156 | extern const symbol condition_codes[], cc2_codes[], status_bits[]; | |
157 | extern const symbol cc3_codes[]; | |
158 | extern const char *misc_symbols[]; | |
6e917903 TW |
159 | struct disassemble_info; |
160 | extern const template* tic54x_get_insn (struct disassemble_info *, | |
161 | bfd_vma, unsigned short, int *); | |
5c84d377 | 162 | |
6e917903 | 163 | #endif /* _opcode_tic54x_h_ */ |