1;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
2;  Copyright(c) 2011-2016 Intel Corporation All rights reserved.
3;
4;  Redistribution and use in source and binary forms, with or without
5;  modification, are permitted provided that the following conditions
6;  are met:
7;    * Redistributions of source code must retain the above copyright
8;      notice, this list of conditions and the following disclaimer.
9;    * Redistributions in binary form must reproduce the above copyright
10;      notice, this list of conditions and the following disclaimer in
11;      the documentation and/or other materials provided with the
12;      distribution.
13;    * Neither the name of Intel Corporation nor the names of its
14;      contributors may be used to endorse or promote products derived
15;      from this software without specific prior written permission.
16;
17;  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18;  "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19;  LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
20;  A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
21;  OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
22;  SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
23;  LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24;  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25;  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26;  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
27;  OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
29
30;; START_FIELDS
31%macro START_FIELDS 0
32%assign _FIELD_OFFSET 0
33%assign _STRUCT_ALIGN 0
34%endm
35
36;; FIELD name size align
37%macro FIELD 3
38%define %%name  %1
39%define %%size  %2
40%define %%align %3
41
42%assign _FIELD_OFFSET (_FIELD_OFFSET + (%%align) - 1) & (~ ((%%align)-1))
43%%name	equ	_FIELD_OFFSET
44%assign _FIELD_OFFSET _FIELD_OFFSET + (%%size)
45%if (%%align > _STRUCT_ALIGN)
46%assign _STRUCT_ALIGN %%align
47%endif
48%endm
49
50;; See inflate_huff_code structure declaration in igzip_lib.h calculation explanation
51%define L_REM (21 - ISAL_DECODE_LONG_BITS)
52%define S_REM (15 - ISAL_DECODE_SHORT_BITS)
53
54%define L_DUP ((1 << L_REM) - (L_REM + 1))
55%define S_DUP ((1 << S_REM) - (S_REM + 1))
56
57%define L_UNUSED ((1 << L_REM) - (1 << ((L_REM)/2)) - (1 << ((L_REM + 1)/2)) + 1)
58%define S_UNUSED ((1 << S_REM) - (1 << ((S_REM)/2)) - (1 << ((S_REM + 1)/2)) + 1)
59
60%define L_SIZE (286 + L_DUP + L_UNUSED)
61%define S_SIZE (30 + S_DUP + S_UNUSED)
62
63%define HUFF_CODE_LARGE_LONG_ALIGNED (L_SIZE + (-L_SIZE & 0xf))
64%define HUFF_CODE_SMALL_LONG_ALIGNED (S_SIZE + (-S_SIZE & 0xf))
65
66%define MAX_LONG_CODE_LARGE (L_SIZE + (-L_SIZE & 0xf))
67%define MAX_LONG_CODE_SMALL (S_SIZE + (-S_SIZE & 0xf))
68
69%define LARGE_SHORT_CODE_SIZE 4
70%define LARGE_LONG_CODE_SIZE 2
71
72%define SMALL_SHORT_CODE_SIZE 2
73%define SMALL_LONG_CODE_SIZE 2
74
75;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
76;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
77;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
78
79START_FIELDS	;; inflate huff code
80
81;;      name				size    align
82FIELD	_short_code_lookup_large,	LARGE_SHORT_CODE_SIZE * (1 << (ISAL_DECODE_LONG_BITS)),	LARGE_LONG_CODE_SIZE
83FIELD	_long_code_lookup_large,	LARGE_LONG_CODE_SIZE * MAX_LONG_CODE_LARGE,		LARGE_SHORT_CODE_SIZE
84
85%assign _inflate_huff_code_large_size	_FIELD_OFFSET
86%assign _inflate_huff_code_large_align	_STRUCT_ALIGN
87
88;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
89;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
90;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
91
92START_FIELDS	;; inflate huff code
93
94;;      name				size    align
95FIELD	_short_code_lookup_small,	SMALL_SHORT_CODE_SIZE * (1 << (ISAL_DECODE_SHORT_BITS)), SMALL_LONG_CODE_SIZE
96FIELD	_long_code_lookup_small,	SMALL_LONG_CODE_SIZE * MAX_LONG_CODE_SMALL,		 SMALL_SHORT_CODE_SIZE
97
98%assign _inflate_huff_code_small_size	_FIELD_OFFSET
99%assign _inflate_huff_code_small_align	_STRUCT_ALIGN
100;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
101;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
102;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
103
104START_FIELDS	;; inflate state
105
106;;      name		size    align
107FIELD	_next_out,	8,	8
108FIELD	_avail_out,	4,	4
109FIELD	_total_out,	4,	4
110FIELD	_next_in,	8,	8
111FIELD	_read_in,	8,	8
112FIELD	_avail_in,	4,	4
113FIELD	_read_in_length,4,	4
114FIELD	_lit_huff_code,	_inflate_huff_code_large_size,	_inflate_huff_code_large_align
115FIELD	_dist_huff_code,_inflate_huff_code_small_size,	_inflate_huff_code_small_align
116FIELD	_block_state,	4,	4
117FIELD	_dict_length,	4,	4
118FIELD	_bfinal,	4,	4
119FIELD	_crc_flag,	4,	4
120FIELD	_crc,		4,	4
121FIELD	_hist_bits,	4,	4
122FIELD	_type0_block_len,	4, 	4
123FIELD	_write_overflow_lits,	4,	4
124FIELD	_write_overflow_len,	4,	4
125FIELD	_copy_overflow_len,  	4,	4
126FIELD	_copy_overflow_dist,	4,	4
127
128%assign _inflate_state_size		_FIELD_OFFSET
129%assign _inflate_state_align	_STRUCT_ALIGN
130
131_lit_huff_code_short_code_lookup	equ	_lit_huff_code+_short_code_lookup_large
132_lit_huff_code_long_code_lookup		equ	_lit_huff_code+_long_code_lookup_large
133
134_dist_huff_code_short_code_lookup	equ	_dist_huff_code+_short_code_lookup_small
135_dist_huff_code_long_code_lookup	equ	_dist_huff_code+_long_code_lookup_small
136
137ISAL_BLOCK_NEW_HDR	equ	0
138ISAL_BLOCK_HDR		equ	1
139ISAL_BLOCK_TYPE0	equ	2
140ISAL_BLOCK_CODED	equ	3
141ISAL_BLOCK_INPUT_DONE	equ	4
142ISAL_BLOCK_FINISH	equ	5
143;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
144;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
145;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
146
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