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1 /*
2  * Copyright (C) 2019 Connor Abbott <cwabbott0@gmail.com>
3  * Copyright (C) 2019 Lyude Paul <thatslyude@gmail.com>
4  * Copyright (C) 2019 Ryan Houdek <Sonicadvance1@gmail.com>
5  *
6  * Permission is hereby granted, free of charge, to any person obtaining a
7  * copy of this software and associated documentation files (the "Software"),
8  * to deal in the Software without restriction, including without limitation
9  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
10  * and/or sell copies of the Software, and to permit persons to whom the
11  * Software is furnished to do so, subject to the following conditions:
12  *
13  * The above copyright notice and this permission notice (including the next
14  * paragraph) shall be included in all copies or substantial portions of the
15  * Software.
16  *
17  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
18  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
19  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
20  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
21  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
22  * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23  * SOFTWARE.
24  */
25 
26 #ifndef __BI_DISASM_H
27 #define __BI_DISASM_H
28 
29 #include <stdbool.h>
30 #include <stddef.h>
31 #include <stdint.h>
32 #include <stdio.h>
33 #include "bifrost.h"
34 
35 void disassemble_bifrost(FILE *fp, uint8_t *code, size_t size, bool verbose);
36 
37 enum bi_constmod {
38         BI_CONSTMOD_NONE,
39         BI_CONSTMOD_PC_LO,
40         BI_CONSTMOD_PC_HI,
41         BI_CONSTMOD_PC_LO_HI
42 };
43 
44 struct bi_constants {
45         /* Raw constant values */
46         uint64_t raw[6];
47 
48         /* Associated modifier derived from M values */
49         enum bi_constmod mods[6];
50 };
51 
52 void
53 bi_disasm_fma(FILE *fp, unsigned bits, struct bifrost_regs *srcs, struct bifrost_regs *next_regs, unsigned staging_register, unsigned branch_offset, struct bi_constants *consts, bool first);
54 
55 void bi_disasm_add(FILE *fp, unsigned bits, struct bifrost_regs *srcs, struct bifrost_regs *next_regs, unsigned staging_register, unsigned branch_offset, struct bi_constants *consts, bool first);
56 
57 void bi_disasm_dest_fma(FILE *fp, struct bifrost_regs *next_regs, bool first);
58 void bi_disasm_dest_add(FILE *fp, struct bifrost_regs *next_regs, bool first);
59 
60 void dump_src(FILE *fp, unsigned src, struct bifrost_regs srcs, struct bi_constants *consts, bool isFMA);
61 
62 #endif
63