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46 lines
2.6 KiB
46 lines
2.6 KiB
/*-*- 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 "ape/lib/pc.h" |
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#include "ape/config.h" |
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#include "ape/macros.h" |
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#include "ape/notice.inc" |
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.section .real,"ax",@progbits |
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.source __FILE__ |
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.code16 |
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.globl kBiosDataArea |
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.hidden kBiosDataArea |
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.type kBiosDataArea,@object |
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.size kBiosDataArea,XLM_BIOS_DATA_AREA_SIZE |
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kBiosDataArea = ape.xlm + XLM_BIOS_DATA_AREA |
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.globl kBiosDataAreaXlm |
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.hidden kBiosDataAreaXlm |
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.type kBiosDataAreaXlm,@object |
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.size kBiosDataAreaXlm,XLM_BIOS_DATA_AREA_SIZE |
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kBiosDataAreaXlm = XLM(BIOS_DATA_AREA) |
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.section .sort.text.real.init.2.kBiosDataArea,"ax",@progbits |
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movpp %ds,%es # copy bios data to valid page |
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mov $PC_BIOS_DATA_AREA,%si |
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mov $XLM(BIOS_DATA_AREA),%di |
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mov $XLM_BIOS_DATA_AREA_SIZE,%cx |
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rep movsb |
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.previous
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