Roy Oursler
53b92e83f4
igzip: Avoid UB pointer arithmetic underflow for virtual file start
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Change-Id: I95c0e6f004eaf70227a6419fc14bf0958d1f4538
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
5be1ba2215
igzip: Remove undefined unaligned loads
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Change-Id: I02591d958f8691d07b261218cf5ab361e8ad36c9
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2019-03-07 09:27:50 -07:00
Roy Oursler
03bef684a4
igzip: Setup for variable hash mask
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Change-Id: I3be94dbc40c2e02dcff4f89e5a9df8ed1f744f02
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
6317ce2b78
igzip: Setup for variable lookback distance
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Change-Id: Idd52c9392113dfc54feea3c66916a7f5aa128bef
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2018-09-18 14:27:25 -07:00
Roy Oursler
8965584ae3
igzip: Implement large hash table method as level 2
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Move current level 2 compression to be level 3 and create a level 2
compression which is the same algorithm as level 1 but with a larger
hashtable.
Change-Id: I398a6017c2ff218dded24e229fb51c23ea69f314
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
7a12bcb2a8
igzip: Separate concept of level and compression method
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Change-Id: I82a5fbeb93adc77057893c643e044e311e4f393c
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
fe68f02dac
igzip: Move hash_table and symbol histogram for icf compression
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Change-Id: I50df9c8915ff3e1af450aeb8e4c0cc3baf9624ae
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
06cd70481c
igzip: Separate defines for LVL1 and LVL0 hash tables
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Change-Id: I19bdec8d2d0c74083bc1695763c9630516995885
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
9203f96c2a
igzip: Change inputs to deflate_hash functions
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Change-Id: I9ffff9aee82d5d1ece51853b4709f13ccd80c8ad
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
4ae2d1be29
igzip: Implement optimized level 2 compression
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Change-Id: I8cf5bcd56f290d17205ac36dc2828c8acfc66947
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
49156c3568
igzip: Implement block buffer
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Change-Id: I9d7942740557e4ffaf8e223e190f4bd4e4f47b1e
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
59b9990a39
igzip: Remove file_start from zstate
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Change-Id: Ia4cb6dc86da54cc771f25a6d958bea730caa4801
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-12-15 14:27:14 -07:00
Roy Oursler
f2c35a9fd4
igzip: Fix underflow bugs whe null pointer is passed in igzip base functions
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Change-Id: Ia24326dcde6f8be9ee019690b8206d2779ddebb2
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:54:35 -07:00
Roy Oursler
01dfbcc484
igzip: implement igzip two pass
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Change-Id: I9564b2da251a02197b39cab5f141e7aff1ae8439
Signed-off-by: Roy Oursler <roy.j.oursler@intel.com>
2017-03-30 16:50:48 -07:00
