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TOPEMM.INC
227 lines (207 loc) · 8.73 KB
/
TOPEMM.INC
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;*****************************************************************
;* *
;* *
;* EMM/EMS driver program for TOPCAT chipsets *
;* *
;* *
;*****************************************************************
;
; ‘âàãªâãà 䨧¨ç¥áª®© áâà ¨æë EMS
;
phys_page_struct STRUC
Emm_Handle2 DW ? ;¤¥áªà¨¯â®à-¢« ¤¥«¥æ áâà ¨æë
Phys_page_index DB ? ;physical page index
Phys_Seg_Addr DW ? ;䨧¨ç¥áª¨© ᥣ¬¥âë© ¤à¥á áâà ¨æë
Log_Page_Data DW ? ;®¬¥à «®£¨ç¥áª®© áâà ¨æë,ª àâ¨à®¢ ®©
phys_page_struct ENDS ; íâã 䨧¨ç¥áªãî áâà ¨æã
handle_page_struct STRUC
emm_handle3 DW ?
page_alloc_to_handle DW ?
handle_page_struct ENDS
; parameter layout of fn16 (get/set partial page map)
partial_page_map_struct STRUC
mappable_segment_count DW ?
mappable_segment DW 4 DUP (?)
partial_page_map_struct ENDS
; parameter layout of fn17, subfunction 0 (map multiple by phys page)
log_to_phys_map_struct STRUC
log_page_number1 DW ?
phys_page_number1 DW ?
log_to_phys_map_struct ENDS
; parameter layout of fn17, subfunction 1 (map multiple by segment)
log_to_seg_map_struct STRUC
log_page_number2 DW ?
mappable_seg_addr DW ?
log_to_seg_map_struct ENDS
handle_dir_struct STRUC
handle_value DW ?
handle_name1 DB 8 DUP (?)
handle_dir_struct ENDS
map_and_jump_struct STRUC
target_address1 DD ?
log_phys_map_len DB ?
log_phys_map_ptr DD ?
map_and_jump_struct ENDS
map_and_call_struct STRUC
target_address2 DD ?
new_page_map_len DB ?
new_page_map_ptr DD ?
old_page_map_len DB ?
old_page_map_ptr DD ?
reserved DW 4 DUP (?)
map_and_call_struct ENDS
move_info_struct STRUC
region_lenght DD ?
source_type DB ?
source_handle1 DW ?
source_offset DW ?
source_seg_page DW ?
dest_type DB ?
dest_handle1 DW ?
dest_offset DW ?
dest_seg_page DW ?
move_info_struct ENDS
mappable_phys_page_struct STRUC
phys_page_segment DW ?
phys_page_number2 DW ?
mappable_phys_page_struct ENDS
hardware_info_struct STRUC
raw_page_size DW ?
alternate_register_sets DW ?
context_save_area_size DW ?
DMA_register_sets DW ?
DMA_channel_operation DW ?
hardware_info_struct ENDS
HANDLE_CNT EQU 64 ;max handle count
PAGE_MAX EQU 2047 ;max logical page count
BACK_MAX EQU 5 ;max mapping data backup count
I8042 EQU 60H ;i8042 i/o port address
TIME_OUT EQU 1000 ;
NOT_USE EQU 0AA55H ;not used logical page code
NON EQU 0FFFFH ;non or bad logical page code
CR EQU 0DH ;Carriage Return code
LF EQU 0AH ;Line Feed code
TAB EQU 09H ;TAB code
HANDLE_NAME_SIZE EQU 8 ;EMM handle name byte size
UNMAP EQU 0FFFFH ;unmap code
UNALLOC EQU 0FFFFH ;unallocate code
PUSH_REG EQU 8 * 2 ;push register size
EMMWORK EQU 50 ;EMM driver work area size
RET_SP EQU EMMWORK+PUSH_REG+6+10 ;int67 stack size
PHYS_PAGES EQU 4 ;physical page count
RAW_PAGES EQU 400H ;raw page size (16KB)
CONTEXT_SIZE EQU SIZE phys_page_struct * PHYS_PAGES
ALTER_REGS EQU 0 ;alter map register set count
DMA_REGS EQU 0 ;alter DMA register set count
DMA_CHANNEL EQU 0 ;DMA channel number
VOLATILE EQU 0 ;volatile
NON_VOLATILE EQU 1 ;non volatile
F23_RETSP EQU 10 ;
LOG_SIZE EQU 2 ;logical page flag data size
FLAG_SIZE EQU 2 ;handle flag size
;
; function 15 struct
;
f15_struct STRUC
DW 8 DUP (?)
f15_map_data DB CONTEXT_SIZE DUP (?)
f15_struct ENDS
;
; function 16 struct
;
f16_struct STRUC
DW 8 DUP (?)
f16_map_len DW ?
f16_map_data DB CONTEXT_SIZE DUP (?)
f16_struct ENDS
;
; function 17 struct
;
f17_struct STRUC
DW 8 DUP (?)
f17_ax_save DW ?
f17_map_len DW ?
f17_map_data DB PHYS_PAGES * 4 DUP (?)
f17_struct ENDS
;
; function 22 struct
;
f22_struct STRUC
DW 8 DUP (?)
f22_ax_save DW ?
f22_target_off DW ?
f22_target_seg DW ?
f22_map_len DW ?
f22_map_data DB PHYS_PAGES * 4 DUP (?)
f22_struct ENDS
;
; function 23 struct
;
f23_struct STRUC
DW 8 DUP (?)
f23_target_off DW ?
f23_target_seg DW ?
f23_flag DW ?
f23_retoff DW ?
f23_retseg DW ?
f23_ax_save DW ?
f23_new_map_len DW ?
f23_new_map_data DB PHYS_PAGES * 4 DUP (?)
f23_old_map_len DW ?
f23_old_map_data DB PHYS_PAGES * 4 DUP (?)
f23_struct ENDS
;
; function 24 struct
;
f24_struct STRUC
DW 8 DUP (?)
region_low DW ?
region_high DW ?
source_off DW ?
source_seg DW ?
source_page DW ?
source_ea_low DW ?
source_ea_high DW ?
source_handle2 DW ?
dest_off DW ?
dest_seg DW ?
dest_page DW ?
dest_ea_low DW ?
dest_ea_high DW ?
dest_handle2 DW ?
f24_al_save DB ?
direct_move DB ?
source_type1 db ?
dest_type1 db ?
zero_low DW ?
f24_struct ENDS
;
; function 28 struct
;
f28_struct STRUC
DW 8 DUP (?)
f28_map_data DB CONTEXT_SIZE DUP (?)
f28_struct ENDS
;
; register back area struct
;
retreg STRUC
bx_save DW ? ;BX save area
cx_save DW ? ;CX save area
dx_save DW ? ;DX save area
si_save DW ? ;SI save area
di_save DW ? ;DI save area
bp_save DW ? ;BP save area
es_save DW ? ;ES save area
ds_save DW ? ;DS save area
retreg ENDS
;
; return address struct
;
ret_struct STRUC
DW 8 DUP (?)
DB EMMWORK DUP (?)
ret_offset DW ? ;return offset address
ret_segment DW ? ;return segment address
ret_flag DW ? ;return flags
ret_struct ENDS