572 lines
13 KiB
PHP
572 lines
13 KiB
PHP
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;
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; Module name
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;
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; su.inc
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;
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; Author
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;
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; Thomas Parslow (tomp) Mar-1-90
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;
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; Description
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;
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; Include file for SU.ASM.
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;
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;
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;--
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.386
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PAGE_SIZE equ 1000h
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MACHINE_TYPE_ISA equ 0
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MACHINE_TYPE_EISA equ 1
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MACHINE_TYPE_MCA equ 2
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;
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; Define the segment:offset address pair of the location to
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; load detection module.
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; N.B. This definition *MUST* be the same as the ones defined
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; in ..\constant.h
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;
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DETECTION_ADDRESS_SEG equ 1000h
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DETECTION_ADDRESS_OFFSET equ 0
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;
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; Structure definitions and equates for INT 15 function E820
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;
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E820Frame struc
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ErrorFlag dd ?
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Key dd ?
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DescSize dd ?
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BaseAddrLow dd ?
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BaseAddrHigh dd ?
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SizeLow dd ?
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SizeHigh dd ?
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MemoryType dd ?
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E820Frame ends
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MemoryDescriptorFramePointer struc
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E820FramePointer dd ?
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MemoryDescriptorFramePointer ends
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;
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IFDEF NEC_98
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IDT_ENTRIES equ 100h
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BIOS_KEYBOARD_INTERRUPT equ 18h
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BIOS_DISK_INTERRUPT equ 1bh
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else ;NEC_98
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BIOS_DISK_INTERRUPT equ 13h
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BIOS_READ_SECTOR equ 2
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IDT_ENTRIES equ 100h
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BIOS_KEYBOARD_INTERRUPT equ 16h
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endif ;NEC_98
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EXPORT_STACK equ 07ffeh
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RE_ENABLING equ 1
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LOADER_STACK equ 061ffch
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CR0_ET equ 10h
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;
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; Trap Number macro save eax on the stack and then pushes the
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; number of the trap that's in progress.
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;
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TRAP_NUMBER macro num,addr
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IF num EQ 9
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push eax ; push place holder for error code
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ENDIF
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IF num LE 7
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push eax ; push place holder for error code
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ENDIF
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push eax ; save eax on stack first
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mov eax,num
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push eax
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jmp addr
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endm
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;;
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;
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; GetSector Stack Frame Structure
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;
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; Stack frame definition for GetSector call from OS loader
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; to 16bit routines.
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;
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;;
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GetSectorFrame struc
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FunctionNumber dd ?
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DriveNumber dd ?
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HeadNumber dd ?
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TrackNumber dd ?
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SectorNumber dd ?
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NumberOfSectors dd ?
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BufferPointer dd ?
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GetSectorFrame ends
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;;
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;
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; GetEddsSector Stack Frame Structure
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;
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; Stack frame definition for GetEddsSector call from OS loader
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; to 16bit routines.
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;
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;;
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GetEddsSectorFrame struc
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DriveNum dd ?
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LBNLow dd ?
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LBNHigh dd ?
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NumberOfBlocks dd ?
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BufPointer dd ?
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FunctionNum dd ?
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GetEddsSectorFrame ends
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RebootFrame struc
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BootType dd ?
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RebootFrame ends
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;
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; ABIOS services Stack Frame Structure
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;
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; Stack frame definition for ABIOS services call from OS loader
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; to 16 bit routine.
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;
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AbiosServicesFrame struc
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AbiosFunction dd ?
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CommonDataArea dd ?
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InitTable dd ?
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RamExtension dd ?
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AbiosRoutine dd ?
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LogicalId dd ?
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NumberLids dd ?
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AbiosServicesFrame ends
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;
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; Hardware detection frame structure
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;
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; Stack frame definition for DetectHardware call from OS loader
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; to 16 bit routine.
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;
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DetectionFrame struc
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HeapStart dd ?
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HeapSize dd ?
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ConfigTree dd ?
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HeapUsed dd ?
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LoadOptions dd ?
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OptionsLength dd ?
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DetectionFrame ends
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;
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; HardwareCursor Stack Frame Structure
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;
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; Stack frame definition for HardwareCursor call from OS loader
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; to 16 bit routine.
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;
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HardwareCursorFrame struc
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XCoord dd ?
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YCoord dd ?
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HardwareCursorFrame ends
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;
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; GetDateTime Stack Frame Structure
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;
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; Stack frame definition for GetDateTime call from OS loader
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; to 16 bit routine.
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;
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GetDateTimeFrame struc
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DateDword dd ?
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TimeDword dd ?
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GetDateTimeFrame ends
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;
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; ComPort Stack Frame Structure
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;
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; Stack frame definition for ComPort call from OS loader
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; to 16 bit routine.
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;
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ComPortFrame struc
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ComPortPort dd ?
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ComPortFunction dd ?
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ComPortArg dd ?
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ComPortFrame ends
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;
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; IsMcaMachine Stack Frame Structure
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;
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; Stack frame definition for IsMcaMachine call from OS loader
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; to 16 bit routine.
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;
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IsMcaMachineFrame struc
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Dummy dd ?
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IsMcaMachineFrame ends
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;;
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;
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; GetElToritoStatus Stack Frame Structure
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;
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; Stack frame definition for GetElToritoStatus call from OS loader
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; to 16bit routines.
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;
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;;
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GetElToritoStatusFrame struc
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SpecPacketPointer dd ?
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ETDriveNum dd ?
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GetElToritoStatusFrame ends
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;;
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;
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; GetExtendedInt13Params Stack Frame Structure
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;
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; Stack frame definition for GetExtendedInt13Params call from OS loader
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; to 16bit routines.
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;
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;;
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GetExtendedInt13ParamsFrame struc
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ParamPacketPointer dd ?
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Int13UnitNumber dd ? ; really only a byte >= 0x80
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GetExtendedInt13ParamsFrame ends
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;;
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;
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; NetPcRomServices Stack Frame Structure
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;
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; Stack frame definition for NetPcRomServices call from OS loader
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; to 16bit routines.
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;
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;;
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NetPcRomServicesFrame struc
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NetPcRomFunctionNumber dd ?
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NetPcRomCommandPacketPointer dd ?
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NetPcRomServicesFrame ends
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;;
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;
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; BiosRedirectService Stack Frame Structure
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;
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; Stack frame definition for BiosRedirectService call from OS loader
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; to 16bit routines.
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;
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;;
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BiosRedirectServiceFrame struc
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Command dd ?
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BiosRedirectServiceFrame ends
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;;
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;
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; Memory Descriptor Structure.
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;
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; Passed to OS loader as part of the boot context record
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;
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;;
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MemoryDescriptor struc
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BlockBase dd ?
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BlockSize dd ?
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MemoryDescriptor ends
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;;
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;
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; File System Context Record Structure
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;
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;;
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FsContextRecord struc
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BootDrive db ?
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FsContextRecord ends
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;;
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;
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; IDT Descriptor Structure
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;
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;;
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TrapDesc struc
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IDT_offset dw ?
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IDT_selector dw ?
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IDT_attribute dw ?
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IDT_reserved dw ?
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TrapDesc ends
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;;
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;
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; GDT Descriptor Structure ;;
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;
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;;
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GDTDesc struc
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GDT_limit dw 0
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GDT_base1 dw 0
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GDT_base2 db 0
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GDT_access db 0
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GDT_limacc db 0
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GDT_base3 db 0
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GDTDesc ends
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;;
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;
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; GDT Selector Definitions
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;
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;;
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NULL_Selector equ 0h
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KeCodeSelector equ 8h
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KeDataSelector equ 10h
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UsCodeSelector equ 18h
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UsDataSelector equ 20h
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TSS_Selector equ 28h
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PCR_Selector equ 30h
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TEP_Selector equ 38h
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BDA_Selector equ 40h
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KeLdtSelector equ 48h
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DblFltTskSelector equ 50h
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SuCodeSelector equ 58h
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SuDataSelector equ 60h
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VideoSelector equ 68h
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GDT_AliasSelector equ 70h
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DbCodeSelector equ 78h
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DbDataSelector equ 80h
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DebugUseSelector equ 88h
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MdlSelector equ 90h
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;;
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;
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; Exception Frame Structure
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; Note, this absolutely must match the corresponding structure
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; defined in "types.h"
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;
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;;
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ExceptionFrame struc
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Ftr dw 0
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Fdr6 dd 0
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Fcr0 dd 0
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Fcr2 dd 0
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Fcr3 dd 0
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Fss dw 0
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Fgs dw 0
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Ffs dw 0
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Fes dw 0
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Fds dw 0
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Fedi dd 0
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Fesi dd 0
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Febp dd 0
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Fesp dd 0
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Febx dd 0
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Fedx dd 0
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Fecx dd 0
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TrapNum dd 0
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Feax dd 0
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Error dd 0
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Feip dd 0
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Fcs dd 0
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Feflags dd 0
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ExceptionFrame ends
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FUNCTION_ERROR equ -1
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;;
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;
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; Register Frame Structure
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;
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; For bios int calls
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;
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;;
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reg_frame struc
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intnum dw ?
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sfg dw ?
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sax dw ?
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sbx dw ?
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scx dw ?
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sdx dw ?
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ssi dw ?
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ses dw ?
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reg_frame ends
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IFDEF NEC_98
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gdpRegistors struc
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rAL db 0FFh
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FLG db ?
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rBX dw ?
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rCX dw ?
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rDX dw ?
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gdpRegistors ends
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PartitionDescriptor struc
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BootableFlag db ?
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PartitionType db ?
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Reserved00 dw ?
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IPLSector db ?
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IPLTrack db ?
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IPLCylinder dw ?
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StartingSector db ?
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StartingTrack db ?
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StartingCylinder dw ?
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EndingSector db ?
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EndingTrack db ?
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EndingCylinder dw ?
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PartitionName db 16 dup(?) ; ASCII strings
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PartitionDescriptor ends
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BIOS_FLAG equ 500h ; byte in ROM work segment
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BIOS_FLAG1 equ 480h ; byte in ROM work segment
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BIOS_FLAG4 equ 484h ; byte in ROM work segment
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BIOS_FLAG5 equ 458h ; byte in ROM work segment
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BIOS_FLAG6 equ 45Ah ; byte in ROM work segment
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AT_SWITCH equ 457h ; byte in ROM work segment
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DAUA equ 584h ; byte in ROM work segment
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DISK_EQUIP equ 55Ch ; byte in ROM work segment
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DISK_EQUIPS_SCSI equ 482h ; byte in ROM work segment
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EXPMMSIZ equ 401h ; byte in ROM work segment
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EXPMMSZ2 equ 594h ; word in ROM work segment
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DISK_RESULT equ 564h ; word in ROM work segment
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H_EQUIPS equ 47Dh ; byte in ROM work segment
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H_DISK_EQUIPS equ 47Eh ; word in ROM work segment
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EQUIPS_47Ch equ 47Ch ; byte in ROM work segment
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IC0 equ 10000000b
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IC1 equ 01000000b
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||
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|
DAFloppy equ 00010000b ; floppy bit in DA
|
||
|
|
DASCSI equ 00100000b ; SCSI bit in DA
|
||
|
|
DASASI equ 00000000b ; SASI bit in DA
|
||
|
|
DEVICEFORMAT equ 0FFFFh
|
||
|
|
TRACKFORMAT equ 00000h
|
||
|
|
MEMBANK08 equ 91h ; bank 08
|
||
|
|
MEMBANK0A equ 93h ; bank 0A
|
||
|
|
|
||
|
|
ROLLOVER_COUNT equ 45011 ; 1/18.2 * 2457.6KHz /3
|
||
|
|
TIMER_VECTOR equ (8*4)
|
||
|
|
TIMER1_DATA_PORT0 equ 71h ; Timer1, channel 0 data port
|
||
|
|
TIMER1_CONTROL_PORT0 equ 77h ; Timer1, channel 0 control port
|
||
|
|
TIMER1_INTSHAREREG equ 879h ; PC-H98 TIMER INT SHARE REGISTER
|
||
|
|
COMMAND_8254_COUNTER0 equ 00h ; Select count 0
|
||
|
|
COMMAND_8254_RW_16BIT equ 30h ; Read/Write LSB firt then MSB
|
||
|
|
COMMAND_8254_MODE2 equ 4 ; Use mode 2
|
||
|
|
|
||
|
|
UR_DAT equ 030h ; data port
|
||
|
|
UR_LCR equ UR_DAT+2 ; line control registers
|
||
|
|
UR_LSR equ UR_DAT+2 ; line status register
|
||
|
|
UR_IEN equ UR_DAT+5 ; Interrupt enable
|
||
|
|
UR_TIMERSET equ 75h ; 8253 counter set
|
||
|
|
UR_TIMERMODE equ 77h ; 8253 counter mode
|
||
|
|
|
||
|
|
UR_MODE equ 01001110B ; stop 1, disable p, 8 bpc, 1 stop, x16
|
||
|
|
UR_COMMAND equ 00110111B ; RTS, err reset, RXE, DTR, TXEN
|
||
|
|
UR_RESET equ 01000000B ; internal reset command
|
||
|
|
|
||
|
|
RD_RDY equ 02h ; recieve data ready
|
||
|
|
TX_RDY equ 01h ; transmitter empty if 1
|
||
|
|
endif ;NEC_98
|
||
|
|
|
||
|
|
;;
|
||
|
|
;; Processor Flags
|
||
|
|
;;
|
||
|
|
|
||
|
|
PROT_MODE equ 000000001 ; Enable protect mode operation
|
||
|
|
ENABLE_PAGING equ 80000000h ; Enable paging hardware
|
||
|
|
PD_PHYSICAL_ADDRESS equ 99000h
|
||
|
|
TSS_SIZE equ 80h
|
||
|
|
OVERRIDE equ 66h
|
||
|
|
|
||
|
|
;
|
||
|
|
; Operand and Address size overrides
|
||
|
|
;
|
||
|
|
|
||
|
|
OPSIZE macro
|
||
|
|
db 66h
|
||
|
|
endm
|
||
|
|
ADSIZE macro
|
||
|
|
db 67h
|
||
|
|
endm
|
||
|
|
|
||
|
|
|
||
|
|
;
|
||
|
|
; External Procedures for SUDATA.ASM
|
||
|
|
;
|
||
|
|
|
||
|
|
IFDEF SU_CODEMODULE
|
||
|
|
extrn _SuMain:near
|
||
|
|
extrn _ScreenStart:near
|
||
|
|
extrn _vp:near
|
||
|
|
extrn _putx:near
|
||
|
|
extrn _TrapHandler:near
|
||
|
|
extrn _GDTregister:fword
|
||
|
|
extrn _IDTregister:fword
|
||
|
|
extrn _IDTregisterZero:fword
|
||
|
|
extrn saveDS:word
|
||
|
|
extrn SuStack:word
|
||
|
|
extrn _edata:word
|
||
|
|
extrn _FileStart:dword
|
||
|
|
ENDIF
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
;
|
||
|
|
; External Procedures for SUDATA.ASM
|
||
|
|
;
|
||
|
|
|
||
|
|
IFDEF SU_DATAMODULE
|
||
|
|
extrn Trap0:far
|
||
|
|
extrn Trap1:far
|
||
|
|
extrn Trap2:far
|
||
|
|
extrn Trap3:far
|
||
|
|
extrn Trap4:far
|
||
|
|
extrn Trap5:far
|
||
|
|
extrn Trap6:far
|
||
|
|
extrn Trap7:far
|
||
|
|
extrn Trap8:far
|
||
|
|
extrn Trap9:far
|
||
|
|
extrn TrapA:far
|
||
|
|
extrn TrapB:far
|
||
|
|
extrn TrapC:far
|
||
|
|
extrn TrapD:far
|
||
|
|
extrn TrapE:far
|
||
|
|
extrn TrapF:far
|
||
|
|
extrn _edata:near
|
||
|
|
ENDIF
|
||
|
|
|
||
|
|
|
||
|
|
|
||
|
|
;
|
||
|
|
; Segment declarations for "Small Model" 16 bit Su Module.
|
||
|
|
;
|
||
|
|
|
||
|
|
_TEXT segment para use16 public 'CODE'
|
||
|
|
_TEXT ends
|
||
|
|
|
||
|
|
_DATA segment para use16 public 'DATA'
|
||
|
|
_DATA ends
|
||
|
|
|
||
|
|
CONST segment para use16 public 'CONST'
|
||
|
|
CONST ends
|
||
|
|
|
||
|
|
_BSS segment para use16 public 'BSS'
|
||
|
|
_BSS ends
|
||
|
|
|
||
|
|
DGROUP group const, _BSS, _DATA
|
||
|
|
|
||
|
|
|
||
|
|
;;; END OF FILE ;;;
|