33 lines
1.4 KiB
PHP
Executable File
33 lines
1.4 KiB
PHP
Executable File
; Copyright (c) 2024 Elaina Claus
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;
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; Permission is hereby granted, free of charge, to any person obtaining a copy
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; of this software and associated documentation files (the "Software"), to deal
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; in the Software without restriction, including without limitation the rights
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; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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; copies of the Software, and to permit persons to whom the Software is
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; furnished to do so, subject to the following conditions:
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;
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; The above copyright notice and this permission notice shall be included in all
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; copies or substantial portions of the Software.
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;
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; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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; SOFTWARE.
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%ifndef __INC_EARLY_MEM
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;PhysicalAddress = Segment * 16 + Offset
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%define SEG_TO_LINEAR(s,o) ((s << 4) + o)
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; Offset = physical / (Segment * 16)
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%define LINEAR_TO_OFFSET(p,s) ((p / (s << 4)))
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; Seg = (physical - offset) / 16
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%define LINEAR_TO_SEGMENT(p,o) ((p - o) >> 4)
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%endif
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%define __INC_EARLY_MEM |