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  → /kernel/branches/kolibri-process/blkdev/ide_cache.inc @ 4428

  → /kernel/branches/kolibri-process/blkdev/ide_cache.inc @ 4429

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Regard whitespace Rev 4428 → Rev 4429

/kernel/branches/kolibri-process/blkdev/ide_cache.inc
0,0 → 1,367
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; ;;
;; Copyright (C) KolibriOS team 2004-2011. All rights reserved. ;;
;; Distributed under terms of the GNU General Public License ;;
;; ;;
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;**************************************************************************
;
; [cache_ide[X]_pointer]
; or [cache_ide[X]_data_pointer] first entry in cache list
;
; +0 - lba sector
; +4 - state of cache sector
; 0 = empty
; 1 = used for read ( same as in hd )
; 2 = used for write ( differs from hd )
;
; [cache_ide[X]_system_data]
; or [cache_ide[x]_appl_data] - cache entries
;
;**************************************************************************
$Revision: 3742 $
align 4
find_empty_slot_CD_cache:
;-----------------------------------------------------------
; find empty or read slot, flush cache if next 10% is used by write
; output : edi = cache slot
;-----------------------------------------------------------
.search_again:
call cd_calculate_cache_3
.search_for_empty:
inc edi
call cd_calculate_cache_4
jbe .inside_cache
mov edi, 1
.inside_cache:
call cd_calculate_cache_5
ret
;--------------------------------------------------------------------
clear_CD_cache:
pusha
.ide0:
xor eax, eax
cmp [cdpos], 1
jne .ide1
mov [cache_ide0_search_start], eax
mov ecx, [cache_ide0_system_sad_size]
mov edi, [cache_ide0_pointer]
call .clear
mov [cache_ide0_appl_search_start], eax
mov ecx, [cache_ide0_appl_sad_size]
mov edi, [cache_ide0_data_pointer]
jmp .continue
.ide1:
cmp [cdpos], 2
jne .ide2
mov [cache_ide1_search_start], eax
mov ecx, [cache_ide1_system_sad_size]
mov edi, [cache_ide1_pointer]
call .clear
mov [cache_ide1_appl_search_start], eax
mov ecx, [cache_ide1_appl_sad_size]
mov edi, [cache_ide1_data_pointer]
jmp .continue
.ide2:
cmp [cdpos], 3
jne .ide3
mov [cache_ide2_search_start], eax
mov ecx, [cache_ide2_system_sad_size]
mov edi, [cache_ide2_pointer]
call .clear
mov [cache_ide2_appl_search_start], eax
mov ecx, [cache_ide2_appl_sad_size]
mov edi, [cache_ide2_data_pointer]
jmp .continue
.ide3:
mov [cache_ide3_search_start], eax
mov ecx, [cache_ide3_system_sad_size]
mov edi, [cache_ide3_pointer]
call .clear
mov [cache_ide3_appl_search_start], eax
mov ecx, [cache_ide3_appl_sad_size]
mov edi, [cache_ide3_data_pointer]
.continue:
call .clear
popa
ret
.clear:
shl ecx, 1
cld
rep stosd
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
mov ecx, [cache_ide0_system_sad_size]
mov esi, [cache_ide0_pointer]
ret
.ide0_appl_data:
mov ecx, [cache_ide0_appl_sad_size]
mov esi, [cache_ide0_data_pointer]
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
mov ecx, [cache_ide1_system_sad_size]
mov esi, [cache_ide1_pointer]
ret
.ide1_appl_data:
mov ecx, [cache_ide1_appl_sad_size]
mov esi, [cache_ide1_data_pointer]
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
mov ecx, [cache_ide2_system_sad_size]
mov esi, [cache_ide2_pointer]
ret
.ide2_appl_data:
mov ecx, [cache_ide2_appl_sad_size]
mov esi, [cache_ide2_data_pointer]
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
mov ecx, [cache_ide3_system_sad_size]
mov esi, [cache_ide3_pointer]
ret
.ide3_appl_data:
mov ecx, [cache_ide3_appl_sad_size]
mov esi, [cache_ide3_data_pointer]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_1:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
mov esi, [cache_ide0_pointer]
ret
.ide0_appl_data:
mov esi, [cache_ide0_data_pointer]
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
mov esi, [cache_ide1_pointer]
ret
.ide1_appl_data:
mov esi, [cache_ide1_data_pointer]
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
mov esi, [cache_ide2_pointer]
ret
.ide2_appl_data:
mov esi, [cache_ide2_data_pointer]
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
mov esi, [cache_ide3_pointer]
ret
.ide3_appl_data:
mov esi, [cache_ide3_data_pointer]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_2:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
mov eax, [cache_ide0_system_data]
ret
.ide0_appl_data:
mov eax, [cache_ide0_appl_data]
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
mov eax, [cache_ide1_system_data]
ret
.ide1_appl_data:
mov eax, [cache_ide1_appl_data]
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
mov eax, [cache_ide2_system_data]
ret
.ide2_appl_data:
mov eax, [cache_ide2_appl_data]
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
mov eax, [cache_ide3_system_data]
ret
.ide3_appl_data:
mov eax, [cache_ide3_appl_data]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_3:
; mov ecx,cache_max*10/100
; mov edi,[cache_search_start]
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
mov edi, [cache_ide0_search_start]
ret
.ide0_appl_data:
mov edi, [cache_ide0_appl_search_start]
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
mov edi, [cache_ide1_search_start]
ret
.ide1_appl_data:
mov edi, [cache_ide1_appl_search_start]
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
mov edi, [cache_ide2_search_start]
ret
.ide2_appl_data:
mov edi, [cache_ide2_appl_search_start]
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
mov edi, [cache_ide3_search_start]
ret
.ide3_appl_data:
mov edi, [cache_ide3_appl_search_start]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_4:
; cmp edi,cache_max
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
cmp edi, [cache_ide0_system_sad_size]
ret
.ide0_appl_data:
cmp edi, [cache_ide0_appl_sad_size]
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
cmp edi, [cache_ide1_system_sad_size]
ret
.ide1_appl_data:
cmp edi, [cache_ide1_appl_sad_size]
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
cmp edi, [cache_ide2_system_sad_size]
ret
.ide2_appl_data:
cmp edi, [cache_ide2_appl_sad_size]
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
cmp edi, [cache_ide3_system_sad_size]
ret
.ide3_appl_data:
cmp edi, [cache_ide3_appl_sad_size]
ret
;--------------------------------------------------------------------
align 4
cd_calculate_cache_5:
; mov [cache_search_start],edi
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [cdpos], 1
jne .ide1
cmp [cd_appl_data], 0
jne .ide0_appl_data
mov [cache_ide0_search_start], edi
ret
.ide0_appl_data:
mov [cache_ide0_appl_search_start], edi
ret
.ide1:
cmp [cdpos], 2
jne .ide2
cmp [cd_appl_data], 0
jne .ide1_appl_data
mov [cache_ide1_search_start], edi
ret
.ide1_appl_data:
mov [cache_ide1_appl_search_start], edi
ret
.ide2:
cmp [cdpos], 3
jne .ide3
cmp [cd_appl_data], 0
jne .ide2_appl_data
mov [cache_ide2_search_start], edi
ret
.ide2_appl_data:
mov [cache_ide2_appl_search_start], edi
ret
.ide3:
cmp [cd_appl_data], 0
jne .ide3_appl_data
mov [cache_ide3_search_start], edi
ret
.ide3_appl_data:
mov [cache_ide3_appl_search_start], edi
ret
;--------------------------------------------------------------------
;align 4
;calculate_linear_to_real:
; shr eax, 12
; mov eax, [page_tabs+eax*4]
; and eax, 0xFFFFF000
; ret