diff options
Diffstat (limited to 'Core/EM/CSM/BiosData.h')
| -rw-r--r-- | Core/EM/CSM/BiosData.h | 179 |
1 files changed, 179 insertions, 0 deletions
diff --git a/Core/EM/CSM/BiosData.h b/Core/EM/CSM/BiosData.h new file mode 100644 index 0000000..dfb8e71 --- /dev/null +++ b/Core/EM/CSM/BiosData.h @@ -0,0 +1,179 @@ +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** + +//**************************************************************************** +// $Header: /Alaska/SOURCE/Modules/CSM/Generic/Core/biosdata.h 7 1/12/10 11:46a Olegi $ +// +// $Revision: 7 $ +// +// $Date: 1/12/10 11:46a $ +// +//**************************************************************************** +// Revision History +// ---------------- +// $Log: /Alaska/SOURCE/Modules/CSM/Generic/Core/biosdata.h $ +// +// 7 1/12/10 11:46a Olegi +// Copyright message updated. +// +// 6 4/27/07 5:13p Olegi +// CSM.CHM file preparation. +// +// 5 5/16/06 1:57p Olegi +// +// 4 8/02/05 11:27a Olegi +// +// 3 3/04/05 1:51p Mandal +// +//********************************************************************** +//---------------------------------------------------------------------------- +// BIOSDATA.H -- BIOS Global Data Area and EBDA +//---------------------------------------------------------------------------- +#ifndef __BIOS_DATA_AREA__ +#define __BIOS_DATA_AREA__ + +#ifdef __cplusplus +extern "C" { +#endif + +#pragma pack (1) + +typedef struct _BDA_DATA { + +UINT16 rs_232_address[4]; // 00 - RS232 adapters addresses +UINT16 printer_address[3]; // 08 - Printer addresses +UINT16 ext_bios_data_seg; // 0E - Segment pointer to EBDA +UINT16 machine_config; // 10 - Hardware Equipment Status +UINT8 test_scratch; // 12 - Scratch byte during init +UINT16 system_memory; // 13 - System Memory in KBytes +UINT8 sys_info; // 15 - miscellaneous system info +UINT8 dummy_byte_1; // 16 +UINT8 kb_stat_flag; // 17 - Keyboard Status Flag +UINT8 kb_hold_flag; // 18 - Toggle key's hold flag +UINT8 kb_alt_char; // 19 - Alt_character byte +UINT16 kb_buf_head_ptr; // 1A - Keyboard buffer head pointer +UINT16 kb_buf_tail_ptr; // 1C - Keyboard buffer tail pointer +UINT16 kb_buffer[16]; // 1E - Keyboard buffer (15 char max) +UINT8 recal_int_flag; // 3E - Status for recalibration +UINT8 motor_status_flag; // 3F - Status for drive motors +UINT8 motor_time_count; // 40 - Turn off time for motor +UINT8 floppy_io_status; // 41 - Return code status byte +UINT8 task_file[7]; // 42 - A.K.A. fdc_8272_status +UINT8 mode_of_vdo; // 49 - Current Video Mode (set by user) +UINT16 columns_of_vdo; // 4A - Number of columns per row +UINT16 page_length; // 4C - Number of bytes per Video Page +UINT16 page_start; // 4E - Start address of Active Video Page +UINT16 position_of_cursor[8]; // 50 - Cursor position for each Video Page +UINT16 mode_of_cursor; // 60 - Current cursor mode setting +UINT8 active_page_no; // 62 - Current display page no +UINT16 address_of_6845; // 63 - Address of 6845 index reg +UINT8 current_mode_set; // 65 - Mode set in 6845 control port +UINT8 current_palette; // 66 - Current palette set +//--------------------------------------- +// POST DATA STORAGES +//--------------------------------------- +UINT16 offset_shutdown; // 67 - Offset of shutdown routine +UINT16 segment_shutdown; // 69 - Segment of shutdown routine +UINT8 interrupt_flag; // 6B - Interrupt flag +//---------------------------------------------------------------------------- +// TIMER DATA STORAGES +//---------------------------------------------------------------------------- +//UINT16 timer_low_count; // 6C - Low Word of timer count +//UINT16 timer_high_count; // 6E - High Word of timer count +UINT32 timer_count; // 6C - timer count +UINT8 timer_count_rolled; // 70 - Timer Rolled Over +//---------------------------------------------------------------------------- +// BIOS DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT8 break_flag; // 71 - Flag for CTRL-BREAK key key +UINT16 dummy_word; // 72 - Unused data word +//---------------------------------------------------------------------------- +// WINCHESTER DATA STORAGES +//---------------------------------------------------------------------------- +UINT8 winch_status; // 74 - Status of Hard Disk operation +UINT8 winch_number; // 75 - Number of Hard Disk drives +UINT8 winch_control_byte; // 76 +UINT8 dummy_byte_2; // 77 +//---------------------------------------------------------------------------- +// PRINTER & RS232 DATA STORAGES +//---------------------------------------------------------------------------- +UINT8 print_time_max[4]; // 78 - Maximum time for printing +UINT8 rs_232_time_max[4]; // 7C - Maximum transmission time for COM ports +//---------------------------------------------------------------------------- +// KEYBOARD DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT16 kb_buff_begin; // 80 - Start address of Keyboard Buffer +UINT16 kb_buff_end; // 82 - End address of Keyboard Buffer +UINT8 rows_of_vdo[7]; // 84 - EGA/VGA control state +//---------------------------------------------------------------------------- +// FLOPPY DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT8 last_xfer_rate; // 8B - Last data transfer rate (Floppy) +//---------------------------------------------------------------------------- +// WINCHESTER DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT8 winch_stat_reg; // 8C - Hard Disk status register +UINT8 winch_error_reg; // 8D - Hard Disk error register, a.k.a. iraid_int_flag +UINT8 winch_int_flag; // 8E - Hard Disk interrupt status +//---------------------------------------------------------------------------- +// FLOPPY DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT8 duel_card; // 8F - Availability of 1.2M Floppy Drive +UINT8 current_floppy_media[2]; // 90 - Type of floppy drive/media +UINT8 run_scratch1; // 92 - Runtime Scratch data byte 1 +UINT8 run_scratch2; // 93 - Runtime Scratch data byte 1 +UINT8 current_cylinder[2];// 94 - Cylinder position of Floppy Disk +//---------------------------------------------------------------------------- +// KEYBOARD DATA STORAGES EXTENDED +//---------------------------------------------------------------------------- +UINT8 dummy_byte_3; // 96 - Keyboard Type byte +UINT8 kb_leds_flag; // 97 - Keyboard LED's status byte +//---------------------------------------------------------------------------- +// REAL TIME CLOCK DATA STORAGES +//---------------------------------------------------------------------------- +UINT16 user_flag_offset; // 98 - Offset of user defined flag +UINT16 user_flag_segment; // 9A - Segment of user defined flag +UINT16 user_wait_low; // 9C - Low WORD of user defined time +UINT16 user_wait_high; // 9E - High WORD of user defined time +UINT8 user_wait_flag[23]; // A0 - User defined time active flag, Video data area +//---------------------------------------------------------------------------- +// APM HANDLING BIOS DATA AREA USED FOR GREEN PC/NOTE BOOK +//---------------------------------------------------------------------------- +UINT8 apm_data[73]; // B7 +UINT8 prtsc_status_flag; // 100 - Print Screen status byte + +} BDA_DATA; + +#pragma pack () + +/****** DO NOT WRITE BELOW THIS LINE *******/ +#ifdef __cplusplus +} +#endif + +#endif + +//********************************************************************** +//********************************************************************** +//** ** +//** (C)Copyright 1985-2010, American Megatrends, Inc. ** +//** ** +//** All Rights Reserved. ** +//** ** +//** 5555 Oakbrook Pkwy, Suite 200, Norcross, GA 30093 ** +//** ** +//** Phone: (770)-246-8600 ** +//** ** +//********************************************************************** +//********************************************************************** |