more modularization and updating date in MIT licence header
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@@ -1,4 +1,4 @@
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; Copyright (c) 2023 Elaina Claus
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; 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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@@ -110,103 +110,6 @@ struc SteviaInfoStruct_t
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.EBPBDataPtr resd 1
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endstruc
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; Address Range Descriptor Structure
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;
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; Offset in Bytes Name Description
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; 0 BaseAddrLow Low 32 Bits of Base Address
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; 4 BaseAddrHigh High 32 Bits of Base Address
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; 8 LengthLow Low 32 Bits of Length in Bytes
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; 12 LengthHigh High 32 Bits of Length in Bytes
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; 16 Type Address type of this range.
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; Address Range Descriptor Structure
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;
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; Offset in Bytes Name Description
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; 0 BaseAddrLow Low 32 Bits of Base Address
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; 4 BaseAddrHigh High 32 Bits of Base Address
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; 8 LengthLow Low 32 Bits of Length in Bytes
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; 12 LengthHigh High 32 Bits of Length in Bytes
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; 16 Type Address type of this range.
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; Input:
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;
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; EAX Function Code E820h
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; EBX Continuation Contains the "continuation value" to get the
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; next run of physical memory. This is the
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; value returned by a previous call to this
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; routine. If this is the first call, EBX
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; must contain zero.
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; ES:DI Buffer Pointer Pointer to an Address Range Descriptor
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; structure which the BIOS is to fill in.
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; ECX Buffer Size The length in bytes of the structure passed
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; to the BIOS. The BIOS will fill in at most
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; ECX bytes of the structure or however much
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; of the structure the BIOS implements. The
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; minimum size which must be supported by both
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; the BIOS and the caller is 20 bytes. Future
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; implementations may extend this structure.
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; EDX Signature 'SMAP' - Used by the BIOS to verify the
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; caller is requesting the system map
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; information to be returned in ES:DI.
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;
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; Output:
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;
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; CF Carry Flag Non-Carry - indicates no error
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; EAX Signature 'SMAP' - Signature to verify correct BIOS
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; revision.
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; ES:DI Buffer Pointer Returned Address Range Descriptor pointer.
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; Same value as on input.
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; ECX Buffer Size Number of bytes returned by the BIOS in the
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; address range descriptor. The minimum size
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; structure returned by the BIOS is 20 bytes.
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; EBX Continuation Contains the continuation value to get the
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; next address descriptor. The actual
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; significance of the continuation value is up
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; to the discretion of the BIOS. The caller
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; must pass the continuation value unchanged
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; as input to the next iteration of the E820
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; call in order to get the next Address Range
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; Descriptor. A return value of zero means that
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; this is the last descriptor
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;
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; Address Range Descriptor Structure
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;
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; Offset in Bytes Name Description
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; 0 BaseAddrLow Low 32 Bits of Base Address
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; 4 BaseAddrHigh High 32 Bits of Base Address
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; 8 LengthLow Low 32 Bits of Length in Bytes
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; 12 LengthHigh High 32 Bits of Length in Bytes
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; 16 Type Address type of this range.
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;
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; The BaseAddrLow and BaseAddrHigh together are the 64 bit BaseAddress of this range.
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; The BaseAddress is the physical address of the start of the range being specified.
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;
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; The LengthLow and LengthHigh together are the 64 bit Length of this range.
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; The Length is the physical contiguous length in bytes of a range being specified.
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;
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; The Type field describes the usage of the described address range as defined in the table below.
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; Value Pneumonic Description
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; 1 AddressRangeMemory This run is available RAM usable by the operating system.
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; 2 AddressRangeReserved This run of addresses is in use or reserved by the system, and must not be used by the operating system.
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; Other Undefined Undefined - Reserved for future use.
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; Address Range Descriptor Structure
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;
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; Offset in Bytes Name Description
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; 0 BaseAddrLow u32 - Low 32 Bits of Base Address
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; 4 BaseAddrHigh u32 - High 32 Bits of Base Address
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; 8 LengthLow u32 - Low 32 Bits of Length in Bytes
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; 12 LengthHigh u32 - High 32 Bits of Length in Bytes
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; 16 Type u32 - Address type of this range.
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; 20 ExtType u32 - ACPI 3.0 extended type
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struc AddressRangeDescStruct_t
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.BaseAddrLow resd 1
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.BaseAddrHigh resd 1
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.LengthLow resd 1
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.LengthHigh resd 1
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.Type resd 1
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.ExtType resd 1
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endstruc
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%macro DEBUG_HCF 0
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DEBUG_LOOP:
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hlt
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