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f6c1a2d5 | 1 | /* xgate.h -- Freescale XGATE opcode list |
6f2750fe | 2 | Copyright (C) 2010-2016 Free Software Foundation, Inc. |
f6c1a2d5 NC |
3 | Written by Sean Keys (skeys@ipdatasys.com) |
4 | ||
5 | This file is part of the GNU opcodes library. | |
6 | ||
7 | This library is free software; you can redistribute it and/or modify | |
8 | it under the terms of the GNU General Public License as published by | |
9 | the Free Software Foundation; either version 3, or (at your option) | |
10 | any later version. | |
11 | ||
12 | It is distributed in the hope that it will be useful, but WITHOUT | |
13 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY | |
14 | or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public | |
15 | 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 | |
19 | Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston, | |
20 | MA 02110-1301, USA. */ | |
21 | ||
22 | #ifndef _OPCODE_XGATE_H | |
23 | #define _OPCODE_XGATE_H | |
24 | ||
25 | /* XGATE CCR flag definitions. */ | |
26 | #define XGATE_N_BIT 0x08 /* XGN - Sign Flag */ | |
27 | #define XGATE_Z_BIT 0x04 /* XGZ - Zero Flag */ | |
28 | #define XGATE_V_BIT 0x02 /* XGV - Overflow Flag */ | |
29 | #define XGATE_C_BIT 0x01 /* XGC - Carry Flag */ | |
30 | ||
31 | /* Access Detail Notation | |
32 | V — Vector fetch: always an aligned word read, lasts for at least one RISC core cycle | |
33 | P — Program word fetch: always an aligned word read, lasts for at least one RISC core cycle | |
34 | r — 8-bit data read: lasts for at least one RISC core cycle | |
35 | R — 16-bit data read: lasts for at least one RISC core cycle | |
36 | w — 8-bit data write: lasts for at least one RISC core cycle | |
37 | W — 16-bit data write: lasts for at least one RISC core cycle | |
38 | A — Alignment cycle: no read or write, lasts for zero or one RISC core cycles | |
39 | f — Free cycle: no read or write, lasts for one RISC core cycles. */ | |
40 | #define XGATE_CYCLE_V 0x01 | |
41 | #define XGATE_CYCLE_P 0x02 | |
42 | #define XGATE_CYCLE_r 0x04 | |
43 | #define XGATE_CYCLE_R 0x08 | |
44 | #define XGATE_CYCLE_w 0x10 | |
45 | #define XGATE_CYCLE_W 0x20 | |
46 | #define XGATE_CYCLE_A 0x40 | |
47 | #define XGATE_CYCLE_f 0x80 | |
48 | ||
f6c1a2d5 NC |
49 | /* XGATE operand formats as stored in the XGATE_opcode table. |
50 | They are only used by GAS to recognize operands. */ | |
0e1c2434 SK |
51 | #define XGATE_OP_INH "" /* Inherent. */ |
52 | #define XGATE_OP_TRI "r,r,r" /* Register followed by two registers. */ | |
53 | #define XGATE_OP_DYA "r,r" /* Register followed by a register. */ | |
54 | #define XGATE_OP_IMM16 "r,if" /* Register followed by 16-bit value. */ | |
55 | #define XGATE_OP_IMM8 "r,i8" /* Register followed by 8-bit value. */ | |
56 | #define XGATE_OP_IMM4 "r,i4" /* Register followed by 4-bit value. */ | |
57 | #define XGATE_OP_IMM3 "i3" /* Register followed by 3-bit value. */ | |
58 | #define XGATE_OP_MON "r" /* Single register. */ | |
59 | #define XGATE_OP_MON_R_C "r,c" /* General register followed by ccr register. */ | |
60 | #define XGATE_OP_MON_C_R "c,r" /* CCR register followed by a general register. */ | |
61 | #define XGATE_OP_MON_R_P "r,p" /* General register followed by pc register. */ | |
62 | #define XGATE_OP_IDR "r,r,+" /* Three registers with the third having a -/+ directive. */ | |
63 | #define XGATE_OP_IDO5 "r,r,i5" /* Two general registers followed by an immediate value. */ | |
64 | #define XGATE_OP_REL9 "b9" /* 9-bit value that is relative to the current pc. */ | |
65 | #define XGATE_OP_REL10 "ba" /* 10-bit value that is relative to the current pc. */ | |
66 | #define XGATE_OP_DYA_MON "=r" | |
f6c1a2d5 NC |
67 | /* Macro definitions. */ |
68 | #define XGATE_OP_IMM16mADD "r,if; addl addh" | |
69 | #define XGATE_OP_IMM16mAND "r,if; andl andh" | |
70 | #define XGATE_OP_IMM16mCPC "r,if; cmpl cpch" | |
71 | #define XGATE_OP_IMM16mSUB "r,if; subl subh" | |
72 | #define XGATE_OP_IMM16mLDW "r,if; ldl ldh" | |
73 | ||
74 | /* CPU variant identification. */ | |
75 | #define XGATE_V1 0x1 | |
76 | #define XGATE_V2 0x2 | |
77 | #define XGATE_V3 0x4 | |
78 | ||
f6c1a2d5 NC |
79 | /* The opcode table definitions. */ |
80 | struct xgate_opcode | |
81 | { | |
82 | char * name; /* Op-code name. */ | |
83 | char * constraints; /* Constraint chars. */ | |
84 | char * format; /* Bit definitions. */ | |
f6c1a2d5 NC |
85 | unsigned int size; /* Opcode size in bytes. */ |
86 | unsigned int bin_opcode; /* Binary opcode with operands masked off. */ | |
87 | unsigned char cycles_min; /* Minimum cpu cycles needed. */ | |
88 | unsigned char cycles_max; /* Maximum cpu cycles needed. */ | |
89 | unsigned char set_flags_mask; /* CCR flags set. */ | |
90 | unsigned char clr_flags_mask; /* CCR flags cleared. */ | |
91 | unsigned char chg_flags_mask; /* CCR flags changed. */ | |
92 | unsigned char arch; /* CPU variant. */ | |
93 | }; | |
94 | ||
95 | /* The opcode table. The table contains all the opcodes (all pages). | |
96 | You can't rely on the order. */ | |
97 | extern const struct xgate_opcode xgate_opcodes[]; | |
98 | extern const int xgate_num_opcodes; | |
99 | ||
100 | #endif /* _OPCODE_XGATE_H */ |