1 /* Definitions for decoding the ft32 opcode table.
2    Copyright (C) 2013-2016 Free Software Foundation, Inc.
3    Contributed by FTDI (support@ftdichip.com)
4 
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
9 
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13 GNU General Public License for more details.
14 
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA
18 02110-1301, USA.  */
19 
20 typedef struct ft32_opc_info_t
21 {
22   const char *name;
23   int dw;
24   unsigned int mask;
25   unsigned int bits;
26   int fields;
27 } ft32_opc_info_t;
28 
29 #define FT32_PAT_ALUOP    0x08
30 #define FT32_PAT_LDA      0x18
31 #define FT32_PAT_TOCI     0x01
32 #define FT32_PAT_CMPOP    0x0b
33 #define FT32_PAT_STA      0x17
34 #define FT32_PAT_EXA      0x07
35 #define FT32_PAT_LDK      0x0c
36 #define FT32_PAT_FFUOP    0x1e
37 #define FT32_PAT_LDI      0x15
38 #define FT32_PAT_STI      0x16
39 #define FT32_PAT_EXI      0x1d
40 #define FT32_PAT_POP      0x11
41 #define FT32_PAT_LPM      0x0d
42 #define FT32_PAT_LINK     0x12
43 #define FT32_PAT_TOC      0x00
44 #define FT32_PAT_PUSH     0x10
45 #define FT32_PAT_RETURN   0x14
46 #define FT32_PAT_UNLINK   0x13
47 #define FT32_PAT_LPMI     0x19
48 
49 #define FT32_FLD_CBCRCV (1 << 0)
50 #define FT32_FLD_INT (1 << 1)
51 #define FT32_FLD_INT_BIT 26
52 #define FT32_FLD_INT_SIZ 1
53 #define FT32_FLD_DW (1 << 2)
54 #define FT32_FLD_DW_BIT 25
55 #define FT32_FLD_DW_SIZ 2
56 #define FT32_FLD_CB (1 << 3)
57 #define FT32_FLD_CB_BIT 22
58 #define FT32_FLD_CB_SIZ 5
59 #define FT32_FLD_R_D (1 << 4)
60 #define FT32_FLD_R_D_BIT 20
61 #define FT32_FLD_R_D_SIZ 5
62 #define FT32_FLD_CR (1 << 5)
63 #define FT32_FLD_CR_BIT 20
64 #define FT32_FLD_CR_SIZ 2
65 #define FT32_FLD_CV (1 << 6)
66 #define FT32_FLD_CV_BIT 19
67 #define FT32_FLD_CV_SIZ 1
68 #define FT32_FLD_BT (1 << 7)
69 #define FT32_FLD_BT_BIT 18
70 #define FT32_FLD_BT_SIZ 1
71 #define FT32_FLD_R_1 (1 << 8)
72 #define FT32_FLD_R_1_BIT 15
73 #define FT32_FLD_R_1_SIZ 5
74 #define FT32_FLD_RIMM (1 << 9)
75 #define FT32_FLD_RIMM_BIT 4
76 #define FT32_FLD_RIMM_SIZ 11
77 #define FT32_FLD_R_2 (1 << 10)
78 #define FT32_FLD_R_2_BIT 4
79 #define FT32_FLD_R_2_SIZ 5
80 #define FT32_FLD_K20 (1 << 11)
81 #define FT32_FLD_K20_BIT 0
82 #define FT32_FLD_K20_SIZ 20
83 #define FT32_FLD_PA (1 << 12)
84 #define FT32_FLD_PA_BIT 0
85 #define FT32_FLD_PA_SIZ 18
86 #define FT32_FLD_AA (1 << 13)
87 #define FT32_FLD_AA_BIT 0
88 #define FT32_FLD_AA_SIZ 17
89 #define FT32_FLD_K16 (1 << 14)
90 #define FT32_FLD_K16_BIT 0
91 #define FT32_FLD_K16_SIZ 16
92 #define FT32_FLD_K8 (1 << 15)
93 #define FT32_FLD_K8_BIT 0
94 #define FT32_FLD_K8_SIZ 8
95 #define FT32_FLD_AL (1 << 16)
96 #define FT32_FLD_AL_BIT 0
97 #define FT32_FLD_AL_SIZ 4
98 
99 #define FT32_IS_CALL(inst)   (((inst) & 0xfffc0000) == 0x00340000)
100 #define FT32_IS_PUSH(inst)   (((inst) & 0xfff00000) == 0x84000000)
101 #define FT32_PUSH_REG(inst)  (((inst) >> 15) & 0x1f)
102 #define FT32_IS_LINK(inst)   (((inst) & 0xffff0000) == 0x95d00000)
103 #define FT32_LINK_SIZE(inst) ((inst) & 0xffff)
104 
105 #define FT32_FLD_R_D_POST (1 << 17)
106 #define FT32_FLD_R_1_POST (1 << 18)
107