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75 lines
1.7 KiB
75 lines
1.7 KiB
/*++ BUILD Version: 0011 // Increment this if a change has global effects
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Copyright (c) 1994 Microsoft Corporation
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Module Name:
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x86bios.h
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Abstract:
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This header file defines the interfaces to the x86 bios emulator.
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Author:
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David N. Cutler (davec) 23-Jun-1994
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Revision History:
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--*/
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#ifndef _X86BIOS_
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#define _X86BIOS_
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#if !defined(_X86_)
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//
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// Define x86 bios emulator status codes.
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//
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typedef enum _X86BIOS_STATUS {
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x86BiosSuccess, // X86 Emulator successfully executed adapter initialization or INT call.
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x86BiosNoVideoBios, // Adapter can not be initialized because a BIOS signature was not found.
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x86BiosInvalidChecksum, // Bad checksum for Video BIOS.
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x86BiosInvalidInstruction, // X86 Emulator attempted to execute an invalid instruction.
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x86BiosHaltInstruction, // X86 Emulator attempted to execute a HALT instruction.
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x86BiosWaitInstruction, // X86 emulator attempted to execute a WAIT instruction.
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x86BiosTrapFlagAsserted, // Trap flag became set. An INT 1 handler does not exist.
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x86BiosDivideByZero // DIV or IDIV instruction attempted to divide by zero.
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} X86BIOS_STATUS;
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//
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// Define x86 bios emulator context structure.
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//
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typedef struct _X86BIOS_CONTEXT {
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ULONG Eax;
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ULONG Ebx;
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ULONG Ecx;
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ULONG Edx;
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ULONG Esi;
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ULONG Edi;
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ULONG Ebp;
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} X86BIOS_CONTEXT, *PX86BIOS_CONTEXT;
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X86BIOS_STATUS
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X86BiosInitializeAdapter(
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ULONG Address
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);
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X86BIOS_STATUS
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X86BiosExecuteInt(
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USHORT Type,
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PX86BIOS_CONTEXT Arguments
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);
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VOID
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X86BiosInitialize(
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ULONG IsaIoVirtualBase,
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ULONG IsaMemoryVirtualBase
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);
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#endif
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#endif // _x86BIOS_
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