43 lines
2.4 KiB
ArmAsm
43 lines
2.4 KiB
ArmAsm
/*-*- mode:unix-assembly; indent-tabs-mode:t; tab-width:8; coding:utf-8 -*-│
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│vi: set et ft=asm ts=8 tw=8 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/macros.h"
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/ Phil Katz CRC-32 Polynomial
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/ x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1
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/ 0b100000100110000010001110110110111
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/ bitreverse32(0x104c11db7)
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#define kZipCrc32Polynomial 0xedb88320
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.initbss 300,_init_kCrc32Tab
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kCrc32Tab:
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.rept 256
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.long 0
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.endr
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.endobj kCrc32Tab,globl,hidden
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.previous
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.init.start 300,_init_kCrc32Tab
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push %rsi
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mov $kZipCrc32Polynomial,%esi
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call crc32init
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pop %rsi
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.init.end 300,_init_kCrc32Tab
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.source __FILE__
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