BlueGreycalmElegant

Català-Valencià – Catalan中文 – Chinese (Simplified)中文 – Chinese (Traditional)Česky – CzechDansk – DanishNederlands – DutchEnglish – EnglishSuomi – FinnishFrançais – FrenchDeutsch – Germanעברית – Hebrewहिंदी – HindiMagyar – HungarianBahasa Indonesia – IndonesianItaliano – Italian日本語 – Japanese한국어 – KoreanМакедонски – Macedonianमराठी – MarathiNorsk – NorwegianPolski – PolishPortuguês – PortuguesePortuguês – Portuguese (Brazil)Русский – RussianSlovenčina – SlovakSlovenščina – SlovenianEspañol – SpanishSvenska – SwedishTürkçe – TurkishУкраїнська – UkrainianOëzbekcha – Uzbek

Compare Revisions

• This comparison shows the changes necessary to convert path

  → /kernel/branches/Kolibri-acpi/blkdev/ide_cache.inc @ 3907

  → /kernel/branches/Kolibri-acpi/blkdev/ide_cache.inc @ 3908

  ↔ Reverse comparison

• Compare Path:	Rev

  With Path:	Rev

Regard whitespace Rev 3907 → Rev 3908

/kernel/branches/Kolibri-acpi/blkdev/ide_cache.inc
23,546 → 23,7
$Revision$
align 4
write_cache:
;-----------------------------------------------------------
; write all changed sectors to disk
;-----------------------------------------------------------
push eax ecx edx esi edi
; write difference ( 2 ) from cache to hd
call calculate_cache
add esi, 8
mov edi, 1
write_cache_more:
cmp dword [esi+4], 2; if cache slot is not different
jne .write_chain
mov dword [esi+4], 1; same as in hd
mov eax, [esi] ; eax = sector to write
cmp eax, [PARTITION_START]
jb danger
cmp eax, [PARTITION_END]
ja danger
cmp [hdpos], 0x80
jae @f
; DMA write is permitted only if [allow_dma_access]=1
cmp [allow_dma_access], 2
jae .nodma
cmp [dma_hdd], 1
jnz .nodma
@@:
; Объединяем запись цепочки последовательных секторов в одно обращение к диску
cmp ecx, 1
jz .nonext
cmp dword [esi+8+4], 2
jnz .nonext
push eax
inc eax
cmp eax, [esi+8]
pop eax
jnz .nonext
cmp [cache_chain_started], 1
jz @f
mov [cache_chain_started], 1
mov [cache_chain_size], 0
mov [cache_chain_pos], edi
mov [cache_chain_ptr], esi
@@:
inc [cache_chain_size]
cmp [cache_chain_size], 16
jnz .continue
jmp .write_chain
.nonext:
call flush_cache_chain
mov [cache_chain_size], 1
mov [cache_chain_ptr], esi
call write_cache_sector
jmp .continue
.nodma:
call cache_write_pio
.write_chain:
call flush_cache_chain
.continue:
danger:
add esi, 8
inc edi
dec ecx
jnz write_cache_more
call flush_cache_chain
return_02:
pop edi esi edx ecx eax
ret
flush_cache_chain:
cmp [cache_chain_started], 0
jz @f
call write_cache_chain
mov [cache_chain_started], 0
@@:
ret
;--------------------------------------------------------------------
align 4
find_empty_slot:
;-----------------------------------------------------------
; find empty or read slot, flush cache if next 10% is used by write
; output : edi = cache slot
;-----------------------------------------------------------
; push ecx esi
search_again:
call calculate_cache_3
shr ecx, 3
search_for_empty:
inc edi
call calculate_cache_4
jbe inside_cache
mov edi, 1
inside_cache:
push esi
call calculate_cache_1
cmp dword [edi*8+esi+4], 2
pop esi
jb found_slot ; it's empty or read
dec ecx
jnz search_for_empty
call write_cache ; no empty slots found, write all
cmp [hd_error], 0
jne found_slot_access_denied
jmp search_again ; and start again
found_slot:
call calculate_cache_5
found_slot_access_denied:
ret
;--------------------------------------------------------------------
align 4
calculate_cache:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_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 [hdpos], 2
jne .ide2
cmp [hdd_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 [hdpos], 3
jne .ide3
cmp [hdd_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 [hdpos], 4
jne .noide
cmp [hdd_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
.noide:
push eax
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
mov esi, [cache_ide0_pointer-cache_ide0+eax]
pop eax
ret
.bd_appl_data:
mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
pop eax
ret
;--------------------------------------------------------------------
align 4
calculate_cache_1:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_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 [hdpos], 2
jne .ide2
cmp [hdd_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 [hdpos], 3
jne .ide3
cmp [hdd_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 [hdpos], 4
jne .noide
cmp [hdd_appl_data], 0
jne .ide3_appl_data
mov esi, [cache_ide3_pointer]
ret
.ide3_appl_data:
mov esi, [cache_ide3_data_pointer]
ret
.noide:
push eax
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
mov esi, [cache_ide0_pointer-cache_ide0+eax]
pop eax
ret
.bd_appl_data:
mov esi, [cache_ide0_data_pointer-cache_ide0+eax]
pop eax
ret
;--------------------------------------------------------------------
align 4
calculate_cache_2:
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_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 [hdpos], 2
jne .ide2
cmp [hdd_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 [hdpos], 3
jne .ide3
cmp [hdd_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 [hdpos], 4
jne .noide
cmp [hdd_appl_data], 0
jne .ide3_appl_data
mov eax, [cache_ide3_system_data]
ret
.ide3_appl_data:
mov eax, [cache_ide3_appl_data]
ret
.noide:
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
mov eax, [cache_ide0_system_data-cache_ide0+eax]
ret
.bd_appl_data:
mov eax, [cache_ide0_appl_data-cache_ide0+eax]
ret
;--------------------------------------------------------------------
align 4
calculate_cache_3:
; mov ecx,cache_max*10/100
; mov edi,[cache_search_start]
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_appl_data], 0
jne .ide0_appl_data
mov ecx, [cache_ide0_system_sad_size]
mov edi, [cache_ide0_search_start]
ret
.ide0_appl_data:
mov ecx, [cache_ide0_appl_sad_size]
mov edi, [cache_ide0_appl_search_start]
ret
.ide1:
cmp [hdpos], 2
jne .ide2
cmp [hdd_appl_data], 0
jne .ide1_appl_data
mov ecx, [cache_ide1_system_sad_size]
mov edi, [cache_ide1_search_start]
ret
.ide1_appl_data:
mov ecx, [cache_ide1_appl_sad_size]
mov edi, [cache_ide1_appl_search_start]
ret
.ide2:
cmp [hdpos], 3
jne .ide3
cmp [hdd_appl_data], 0
jne .ide2_appl_data
mov ecx, [cache_ide2_system_sad_size]
mov edi, [cache_ide2_search_start]
ret
.ide2_appl_data:
mov ecx, [cache_ide2_appl_sad_size]
mov edi, [cache_ide2_appl_search_start]
ret
.ide3:
cmp [hdpos], 4
jne .noide
cmp [hdd_appl_data], 0
jne .ide3_appl_data
mov ecx, [cache_ide3_system_sad_size]
mov edi, [cache_ide3_search_start]
ret
.ide3_appl_data:
mov ecx, [cache_ide3_appl_sad_size]
mov edi, [cache_ide3_appl_search_start]
ret
.noide:
push eax
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
mov ecx, [cache_ide0_system_sad_size-cache_ide0+eax]
mov edi, [cache_ide0_search_start-cache_ide0+eax]
pop eax
ret
.bd_appl_data:
mov ecx, [cache_ide0_appl_sad_size-cache_ide0+eax]
mov edi, [cache_ide0_appl_search_start-cache_ide0+eax]
pop eax
ret
;--------------------------------------------------------------------
align 4
calculate_cache_4:
; cmp edi,cache_max
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_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 [hdpos], 2
jne .ide2
cmp [hdd_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 [hdpos], 3
jne .ide3
cmp [hdd_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 [hdpos], 4
jne .noide
cmp [hdd_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
.noide:
push eax
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
cmp edi, [cache_ide0_system_sad_size-cache_ide0+eax]
pop eax
ret
.bd_appl_data:
cmp edi, [cache_ide0_appl_sad_size-cache_ide0+eax]
pop eax
ret
;--------------------------------------------------------------------
align 4
calculate_cache_5:
; mov [cache_search_start],edi
; 1 - IDE0 ... 4 - IDE3
.ide0:
cmp [hdpos], 1
jne .ide1
cmp [hdd_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 [hdpos], 2
jne .ide2
cmp [hdd_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 [hdpos], 3
jne .ide3
cmp [hdd_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 [hdpos], 4
jne .noide
cmp [hdd_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
.noide:
push eax
mov eax, [hdpos]
sub eax, 80h
cmp byte [BiosDisksData+eax*4+2], -1
jz @f
movzx eax, byte [BiosDisksData+eax*4+2]
imul eax, cache_ide1-cache_ide0
add eax, cache_ide0
jmp .get
@@:
imul eax, cache_ide1-cache_ide0
add eax, BiosDiskCaches
.get:
cmp [hdd_appl_data], 0
jne .bd_appl_data
mov [cache_ide0_search_start-cache_ide0+eax], edi
pop eax
ret
.bd_appl_data:
mov [cache_ide0_appl_search_start-cache_ide0+eax], edi
pop eax
ret
;--------------------------------------------------------------------
align 4
find_empty_slot_CD_cache:
;-----------------------------------------------------------
; find empty or read slot, flush cache if next 10% is used by write