1/* TI C6X instruction format information.
2   Copyright 2010
3   Free Software Foundation, Inc.
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 3 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,
18   MA 02110-1301, USA.  */
19
20/* Define the FMT macro before including this file; it takes a name
21   and the fields from tic6x_insn_format (defined in tic6x.h).  */
22
23#define FLD(name, pos, width) { CONCAT2(tic6x_field_,name), (pos), (width) }
24#define CFLDS FLD(p, 0, 1), FLD(creg, 29, 3), FLD(z, 28, 1)
25#define CFLDS2(a, b) 5, { CFLDS, a, b }
26#define CFLDS3(a, b, c) 6, { CFLDS, a, b, c }
27#define CFLDS4(a, b, c, d) 7, { CFLDS, a, b, c, d }
28#define CFLDS5(a, b, c, d, e) 8, { CFLDS, a, b, c, d, e }
29#define CFLDS6(a, b, c, d, e, f) 9, { CFLDS, a, b, c, d, e, f }
30#define CFLDS7(a, b, c, d, e, f, g) 10, { CFLDS, a, b, c, d, e, f, g }
31#define CFLDS8(a, b, c, d, e, f, g, h) 11, { CFLDS, a, b, c, d, e, f, g, h }
32#define NFLDS FLD(p, 0, 1)
33#define NFLDS1(a) 2, { NFLDS, a }
34#define NFLDS2(a, b) 3, { NFLDS, a, b }
35#define NFLDS3(a, b, c) 4, { NFLDS, a, b, c }
36#define NFLDS5(a, b, c, d, e) 6, { NFLDS, a, b, c, d, e }
37#define NFLDS6(a, b, c, d, e, f) 7, { NFLDS, a, b, c, d, e, f }
38#define NFLDS7(a, b, c, d, e, f, g) 8, { NFLDS, a, b, c, d, e, f, g }
39
40/* These are in the order from SPRUFE8, appendices C-H.  */
41
42/* Appendix C 32-bit formats.  */
43
44FMT(d_1_or_2_src, 32, 0x40, 0x7c,
45    CFLDS5(FLD(s, 1, 1), FLD(op, 7, 6), FLD(src1, 13, 5), FLD(src2, 18, 5),
46	   FLD(dst, 23, 5)))
47FMT(d_ext_1_or_2_src, 32, 0x830, 0xc3c,
48    CFLDS6(FLD(s, 1, 1), FLD(op, 6, 4), FLD(x, 12, 1), FLD(src1, 13, 5),
49	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
50FMT(d_load_store, 32, 0x4, 0xc,
51    CFLDS8(FLD(s, 1, 1), FLD(op, 4, 3), FLD(y, 7, 1), FLD(r, 8, 1),
52	   FLD(mode, 9, 4), FLD(offsetR, 13, 5), FLD(baseR, 18, 5),
53	   FLD(srcdst, 23, 5)))
54/* The nonaligned loads and stores have the formats shown in the
55   individual instruction descriptions; the appendix is incorrect.  */
56FMT(d_load_nonaligned, 32, 0x124, 0x17c,
57    CFLDS7(FLD(s, 1, 1), FLD(y, 7, 1), FLD(mode, 9, 4), FLD(offsetR, 13, 5),
58	   FLD(baseR, 18, 5), FLD(sc, 23, 1), FLD(dst, 24, 4)))
59FMT(d_store_nonaligned, 32, 0x174, 0x17c,
60    CFLDS7(FLD(s, 1, 1), FLD(y, 7, 1), FLD(mode, 9, 4), FLD(offsetR, 13, 5),
61	   FLD(baseR, 18, 5), FLD(sc, 23, 1), FLD(src, 24, 4)))
62FMT(d_load_store_long, 32, 0xc, 0xc,
63    CFLDS5(FLD(s, 1, 1), FLD(op, 4, 3), FLD(y, 7, 1), FLD(offsetR, 8, 15),
64	   FLD(dst, 23, 5)))
65FMT(d_adda_long, 32, 0x1000000c, 0xf000000c,
66    NFLDS5(FLD(s, 1, 1), FLD(op, 4, 3), FLD(y, 7, 1), FLD(offsetR, 8, 15),
67	   FLD(dst, 23, 5)))
68
69/* Appendix C 16-bit formats will go here.  */
70
71/* Appendix D 32-bit formats.  */
72
73FMT(l_1_or_2_src, 32, 0x18, 0x1c,
74    CFLDS6(FLD(s, 1, 1), FLD(op, 5, 7), FLD(x, 12, 1), FLD(src1, 13, 5),
75	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
76FMT(l_1_or_2_src_noncond, 32, 0x10000018, 0xf000001c,
77    NFLDS6(FLD(s, 1, 1), FLD(op, 5, 7), FLD(x, 12, 1), FLD(src1, 13, 5),
78	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
79FMT(l_unary, 32, 0x358, 0xffc,
80    CFLDS5(FLD(s, 1, 1), FLD(x, 12, 1), FLD(op, 13, 5), FLD(src2, 18, 5),
81	   FLD(dst, 23, 5)))
82
83/* Appendix D 16-bit formats will go here.  */
84
85/* Appendix E 32-bit formats.  */
86
87FMT(m_compound, 32, 0x30, 0x83c,
88    CFLDS6(FLD(s, 1, 1), FLD(op, 6, 5), FLD(x, 12, 1), FLD(src1, 13, 5),
89	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
90FMT(m_1_or_2_src, 32, 0x10000030, 0xf000083c,
91    NFLDS6(FLD(s, 1, 1), FLD(op, 6, 5), FLD(x, 12, 1), FLD(src1, 13, 5),
92	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
93/* Contrary to SPRUFE8, this does have predicate fields.  */
94FMT(m_unary, 32, 0xf0, 0xffc,
95    CFLDS5(FLD(s, 1, 1), FLD(x, 12, 1), FLD(op, 13, 5), FLD(src2, 18, 5),
96	   FLD(dst, 23, 5)))
97
98/* M-unit formats missing from Appendix E.  */
99FMT(m_mpy, 32, 0x0, 0x7c,
100    CFLDS6(FLD(s, 1, 1), FLD(op, 7, 5), FLD(x, 12, 1), FLD(src1, 13, 5),
101	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
102
103/* Appendix E 16-bit formats will go here.  */
104
105/* Appendix F 32-bit formats.  */
106
107FMT(s_1_or_2_src, 32, 0x20, 0x3c,
108    CFLDS6(FLD(s, 1, 1), FLD(op, 6, 6), FLD(x, 12, 1), FLD(src1, 13, 5),
109	   FLD(src2, 18, 5), FLD(dst, 23 ,5)))
110FMT(s_ext_1_or_2_src, 32, 0xc30, 0xc3c,
111    CFLDS6(FLD(s, 1, 1), FLD(op, 6, 4), FLD(x, 12, 1), FLD(src1, 13, 5),
112	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
113FMT(s_ext_1_or_2_src_noncond, 32, 0xc30, 0xe0000c3c,
114    NFLDS7(FLD(s, 1, 1), FLD(op, 6, 4), FLD(x, 12, 1), FLD(src1, 13, 5),
115	   FLD(src2, 18, 5), FLD(dst, 23, 5), FLD(z, 28, 1)))
116FMT(s_unary, 32, 0xf20, 0xffc,
117    CFLDS5(FLD(s, 1, 1), FLD(x, 12, 1), FLD(op, 13, 5), FLD(src2, 18, 5),
118	   FLD(dst, 23, 5)))
119FMT(s_ext_branch_cond_imm, 32, 0x10, 0x7c,
120    CFLDS2(FLD(s, 1, 1), FLD(cst, 7, 21)))
121FMT(s_call_imm_nop, 32, 0x10, 0xe000007c,
122    NFLDS3(FLD(s, 1, 1), FLD(cst, 7, 21), FLD(z, 28, 1)))
123FMT(s_branch_nop_cst, 32, 0x120, 0x1ffc,
124    CFLDS3(FLD(s, 1, 1), FLD(src1, 13, 3), FLD(src2, 16, 12)))
125FMT(s_branch_nop_reg, 32, 0x800360, 0xf830ffc,
126    CFLDS4(FLD(s, 1, 1), FLD(x, 12, 1), FLD(src1, 13, 3), FLD(src2, 18, 5)))
127FMT(s_branch, 32, 0x360, 0xf83effc,
128    CFLDS3(FLD(s, 1, 1), FLD(x, 12, 1), FLD(src2, 18, 5)))
129FMT(s_mvk, 32, 0x28, 0x3c,
130    CFLDS4(FLD(s, 1, 1), FLD(h, 6, 1), FLD(cst, 7, 16), FLD(dst, 23, 5)))
131FMT(s_field, 32, 0x8, 0x3c,
132    CFLDS6(FLD(s, 1, 1), FLD(op, 6, 2), FLD(cstb, 8, 5), FLD(csta, 13, 5),
133	   FLD(src2, 18, 5), FLD(dst, 23, 5)))
134
135/* S-unit formats missing from Appendix F.  */
136FMT(s_addk, 32, 0x50, 0x7c,
137    CFLDS3(FLD(s, 1, 1), FLD(cst, 7, 16), FLD(dst, 23, 5)))
138FMT(s_addkpc, 32, 0x160, 0x1ffc,
139    CFLDS4(FLD(s, 1, 1), FLD(src2, 13, 3), FLD(src1, 16, 7), FLD(dst, 23, 5)))
140FMT(s_b_irp, 32, 0x1800e0, 0x7feffc,
141    CFLDS3(FLD(s, 1, 1), FLD(x, 12, 1), FLD(dst, 23, 5)))
142FMT(s_b_nrp, 32, 0x1c00e0, 0x7feffc,
143    CFLDS3(FLD(s, 1, 1), FLD(x, 12, 1), FLD(dst, 23, 5)))
144FMT(s_bdec, 32, 0x1020, 0x1ffc,
145    CFLDS3(FLD(s, 1, 1), FLD(src, 13, 10), FLD(dst, 23, 5)))
146FMT(s_bpos, 32, 0x20, 0x1ffc,
147    CFLDS3(FLD(s, 1, 1), FLD(src, 13, 10), FLD(dst, 23, 5)))
148
149/* Appendix F 16-bit formats will go here.  */
150
151/* Appendix G 16-bit formats will go here.  */
152
153/* Appendix H 32-bit formats.  */
154
155FMT(nfu_loop_buffer, 32, 0x00020000, 0x00021ffc,
156    CFLDS4(FLD(s, 1, 1), FLD(op, 13, 4), FLD(csta, 18, 5), FLD(cstb, 23, 5)))
157/* Corrected relative to Appendix H.  */
158FMT(nfu_nop_idle, 32, 0x00000000, 0xfffe1ffc,
159    NFLDS2(FLD(s, 1, 1), FLD(op, 13, 4)))
160
161/* No-unit formats missing from Appendix H (given the NOP and IDLE
162   correction).  */
163FMT(nfu_dint, 32, 0x10004000, 0xfffffffc,
164    NFLDS1(FLD(s, 1, 1)))
165FMT(nfu_rint, 32, 0x10006000, 0xfffffffc,
166    NFLDS1(FLD(s, 1, 1)))
167FMT(nfu_swe, 32, 0x10000000, 0xfffffffc,
168    NFLDS1(FLD(s, 1, 1)))
169FMT(nfu_swenr, 32, 0x10002000, 0xfffffffc,
170    NFLDS1(FLD(s, 1, 1)))
171/* Although formally covered by the loop buffer format, the fields in
172   that format are not useful for all such instructions and not all
173   instructions can be predicated.  */
174FMT(nfu_spkernel, 32, 0x00034000, 0xf03ffffc,
175    NFLDS2(FLD(s, 1, 1), FLD(fstgfcyc, 22, 6)))
176FMT(nfu_spkernelr, 32, 0x00036000, 0xfffffffc,
177    NFLDS1(FLD(s, 1, 1)))
178FMT(nfu_spmask, 32, 0x00020000, 0xfc021ffc,
179    NFLDS3(FLD(s, 1, 1), FLD(op, 13, 4), FLD(mask, 18, 8)))
180
181/* Appendix H 16-bit formats will go here.  */
182
183#undef FLD
184#undef CFLDS
185#undef CFLDS2
186#undef CFLDS3
187#undef CFLDS4
188#undef CFLDS5
189#undef CFLDS6
190#undef CFLDS7
191#undef CFLDS8
192#undef NFLDS
193#undef NFLDS1
194#undef NFLDS2
195#undef NFLDS3
196#undef NFLDS5
197#undef NFLDS6
198#undef NFLDS7
199