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+/**********************************************************************
+ Copyright(c) 2019 Arm Corporation All rights reserved.
+
+ Redistribution and use in source and binary forms, with or without
+ modification, are permitted provided that the following conditions
+ are met:
+ * Redistributions of source code must retain the above copyright
+ notice, this list of conditions and the following disclaimer.
+ * Redistributions in binary form must reproduce the above copyright
+ notice, this list of conditions and the following disclaimer in
+ the documentation and/or other materials provided with the
+ distribution.
+ * Neither the name of Arm Corporation nor the names of its
+ contributors may be used to endorse or promote products derived
+ from this software without specific prior written permission.
+
+ THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+**********************************************************************/
+#ifndef __AARCH64_DATA_STRUCT_H__
+#define __AARCH64_DATA_STRUCT_H__
+#ifdef __ASSEMBLY__
+
+#define FIELD(name,size,align) \
+ .set _FIELD_OFFSET,(_FIELD_OFFSET + (align) - 1) & (~ ((align)-1)); \
+ .equ name,_FIELD_OFFSET ; \
+ .set _FIELD_OFFSET,_FIELD_OFFSET + size; \
+ .if align > _STRUCT_ALIGN; \
+ .set _STRUCT_ALIGN, align; \
+ .endif;
+
+#define START_STRUCT(name) .set _FIELD_OFFSET,0;.set _STRUCT_ALIGN,0;
+
+#define END_STRUCT(name) .set _##name##_size,_FIELD_OFFSET;\
+ .set _##name##_align,_STRUCT_ALIGN
+
+#define CONST(name,value) .equ name,value
+
+
+/// BitBuf2
+START_STRUCT(BitBuf2)
+ /// name size align
+ FIELD ( _m_bits, 8, 8 )
+ FIELD ( _m_bit_count, 4, 4 )
+ FIELD ( _m_out_buf, 8, 8 )
+ FIELD ( _m_out_end, 8, 8 )
+ FIELD ( _m_out_start, 8, 8 )
+END_STRUCT(BitBuf2)
+
+
+/// isal_mod_hist
+#define HIST_ELEM_SIZE 4
+START_STRUCT(isal_mod_hist)
+ /// name size align
+ FIELD ( _d_hist, 30*HIST_ELEM_SIZE, HIST_ELEM_SIZE )
+ FIELD ( _ll_hist, 513*HIST_ELEM_SIZE, HIST_ELEM_SIZE )
+END_STRUCT(isal_mod_hist)
+
+
+/// hufftables_icf
+#define HUFF_CODE_SIZE 4
+START_STRUCT(hufftables_icf)
+ /// name size align
+ FIELD ( _dist_table, 31 * HUFF_CODE_SIZE, HUFF_CODE_SIZE )
+ FIELD ( _lit_len_table, 513 * HUFF_CODE_SIZE, HUFF_CODE_SIZE )
+END_STRUCT(hufftables_icf)
+
+
+/// hash8k_buf
+START_STRUCT(hash8k_buf)
+ /// name size align
+ FIELD ( _hash8k_table, 2 * IGZIP_HASH8K_HASH_SIZE, 2 )
+END_STRUCT(hash8k_buf)
+
+
+/// hash_map_buf
+START_STRUCT(hash_map_buf)
+ /// name size align
+ FIELD ( _hash_table, 2 * IGZIP_HASH_MAP_HASH_SIZE, 2 )
+ FIELD ( _matches_next, 8, 8 )
+ FIELD ( _matches_end, 8, 8 )
+ FIELD ( _matches, 4*4*1024, 4 )
+ FIELD ( _overflow, 4*LA, 4 )
+END_STRUCT(hash_map_buf)
+
+
+/// level_buf
+#define DEF_MAX_HDR_SIZE 328
+START_STRUCT(level_buf)
+ /// name size align
+ FIELD ( _encode_tables, _hufftables_icf_size, _hufftables_icf_align )
+ FIELD ( _hist, _isal_mod_hist_size, _isal_mod_hist_align )
+ FIELD ( _deflate_hdr_count, 4, 4 )
+ FIELD ( _deflate_hdr_extra_bits,4, 4 )
+ FIELD ( _deflate_hdr, DEF_MAX_HDR_SIZE, 1 )
+ FIELD ( _icf_buf_next, 8, 8 )
+ FIELD ( _icf_buf_avail_out, 8, 8 )
+ FIELD ( _icf_buf_start, 8, 8 )
+ FIELD ( _lvl_extra, _hash_map_buf_size, _hash_map_buf_align )
+END_STRUCT(level_buf)
+
+
+CONST( _hash8k_hash_table , _lvl_extra + _hash8k_table )
+CONST( _hash_map_hash_table , _lvl_extra + _hash_table )
+CONST( _hash_map_matches_next , _lvl_extra + _matches_next )
+CONST( _hash_map_matches_end , _lvl_extra + _matches_end )
+CONST( _hash_map_matches , _lvl_extra + _matches )
+CONST( _hist_lit_len , _hist+_ll_hist )
+CONST( _hist_dist , _hist+_d_hist )
+
+
+/// isal_zstate
+START_STRUCT(isal_zstate)
+ /// name size align
+ FIELD ( _total_in_start,4, 4 )
+ FIELD ( _block_next, 4, 4 )
+ FIELD ( _block_end, 4, 4 )
+ FIELD ( _dist_mask, 4, 4 )
+ FIELD ( _hash_mask, 4, 4 )
+ FIELD ( _state, 4, 4 )
+ FIELD ( _bitbuf, _BitBuf2_size, _BitBuf2_align )
+ FIELD ( _crc, 4, 4 )
+ FIELD ( _has_wrap_hdr, 1, 1 )
+ FIELD ( _has_eob_hdr, 1, 1 )
+ FIELD ( _has_eob, 1, 1 )
+ FIELD ( _has_hist, 1, 1 )
+ FIELD ( _has_level_buf_init, 2, 2 )
+ FIELD ( _count, 4, 4 )
+ FIELD ( _tmp_out_buff, 16, 1 )
+ FIELD ( _tmp_out_start, 4, 4 )
+ FIELD ( _tmp_out_end, 4, 4 )
+ FIELD ( _b_bytes_valid, 4, 4 )
+ FIELD ( _b_bytes_processed, 4, 4 )
+ FIELD ( _buffer, BSIZE, 1 )
+ FIELD ( _head, IGZIP_LVL0_HASH_SIZE*2, 2 )
+END_STRUCT(isal_zstate)
+
+
+
+CONST( _bitbuf_m_bits , _bitbuf+_m_bits )
+CONST( _bitbuf_m_bit_count , _bitbuf+_m_bit_count )
+CONST( _bitbuf_m_out_buf , _bitbuf+_m_out_buf )
+CONST( _bitbuf_m_out_end , _bitbuf+_m_out_end )
+CONST( _bitbuf_m_out_start , _bitbuf+_m_out_start )
+
+
+/// isal_zstream
+START_STRUCT(isal_zstream)
+ /// name size align
+ FIELD ( _next_in, 8, 8 )
+ FIELD ( _avail_in, 4, 4 )
+ FIELD ( _total_in, 4, 4 )
+ FIELD ( _next_out, 8, 8 )
+ FIELD ( _avail_out, 4, 4 )
+ FIELD ( _total_out, 4, 4 )
+ FIELD ( _hufftables, 8, 8 )
+ FIELD ( _level, 4, 4 )
+ FIELD ( _level_buf_size, 4, 4 )
+ FIELD ( _level_buf, 8, 8 )
+ FIELD ( _end_of_stream, 2, 2 )
+ FIELD ( _flush, 2, 2 )
+ FIELD ( _gzip_flag, 2, 2 )
+ FIELD ( _hist_bits, 2, 2 )
+ FIELD ( _internal_state, _isal_zstate_size, _isal_zstate_align )
+END_STRUCT(isal_zstream)
+
+
+
+CONST( _internal_state_total_in_start , _internal_state+_total_in_start )
+CONST( _internal_state_block_next , _internal_state+_block_next )
+CONST( _internal_state_block_end , _internal_state+_block_end )
+CONST( _internal_state_b_bytes_valid , _internal_state+_b_bytes_valid )
+CONST( _internal_state_b_bytes_processed , _internal_state+_b_bytes_processed )
+CONST( _internal_state_crc , _internal_state+_crc )
+CONST( _internal_state_dist_mask , _internal_state+_dist_mask )
+CONST( _internal_state_hash_mask , _internal_state+_hash_mask )
+CONST( _internal_state_bitbuf , _internal_state+_bitbuf )
+CONST( _internal_state_state , _internal_state+_state )
+CONST( _internal_state_count , _internal_state+_count )
+CONST( _internal_state_tmp_out_buff , _internal_state+_tmp_out_buff )
+CONST( _internal_state_tmp_out_start , _internal_state+_tmp_out_start )
+CONST( _internal_state_tmp_out_end , _internal_state+_tmp_out_end )
+CONST( _internal_state_has_wrap_hdr , _internal_state+_has_wrap_hdr )
+CONST( _internal_state_has_eob , _internal_state+_has_eob )
+CONST( _internal_state_has_eob_hdr , _internal_state+_has_eob_hdr )
+CONST( _internal_state_has_hist , _internal_state+_has_hist )
+CONST( _internal_state_has_level_buf_init , _internal_state+_has_level_buf_init )
+CONST( _internal_state_buffer , _internal_state+_buffer )
+CONST( _internal_state_head , _internal_state+_head )
+CONST( _internal_state_bitbuf_m_bits , _internal_state+_bitbuf_m_bits )
+CONST( _internal_state_bitbuf_m_bit_count , _internal_state+_bitbuf_m_bit_count )
+CONST( _internal_state_bitbuf_m_out_buf , _internal_state+_bitbuf_m_out_buf )
+CONST( _internal_state_bitbuf_m_out_end , _internal_state+_bitbuf_m_out_end )
+CONST( _internal_state_bitbuf_m_out_start , _internal_state+_bitbuf_m_out_start )
+
+/// Internal States
+CONST( ZSTATE_NEW_HDR , 0 )
+CONST( ZSTATE_HDR , (ZSTATE_NEW_HDR + 1) )
+CONST( ZSTATE_CREATE_HDR , (ZSTATE_HDR + 1) )
+CONST( ZSTATE_BODY , (ZSTATE_CREATE_HDR + 1) )
+CONST( ZSTATE_FLUSH_READ_BUFFER , (ZSTATE_BODY + 1) )
+CONST( ZSTATE_FLUSH_ICF_BUFFER , (ZSTATE_FLUSH_READ_BUFFER + 1) )
+CONST( ZSTATE_TYPE0_HDR , (ZSTATE_FLUSH_ICF_BUFFER + 1) )
+CONST( ZSTATE_TYPE0_BODY , (ZSTATE_TYPE0_HDR + 1) )
+CONST( ZSTATE_SYNC_FLUSH , (ZSTATE_TYPE0_BODY + 1) )
+CONST( ZSTATE_FLUSH_WRITE_BUFFER , (ZSTATE_SYNC_FLUSH + 1) )
+CONST( ZSTATE_TRL , (ZSTATE_FLUSH_WRITE_BUFFER + 1) )
+
+CONST( _NO_FLUSH , 0 )
+CONST( _SYNC_FLUSH , 1 )
+CONST( _FULL_FLUSH , 2 )
+CONST( _STORED_BLK , 0 )
+CONST( IGZIP_NO_HIST , 0 )
+CONST( IGZIP_HIST , 1 )
+CONST( IGZIP_DICT_HIST , 2 )
+#endif
+#endif