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small optimization

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git-svn-id: svn://kolibrios.org@1229 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Alexey Teplov (
2009-10-23 17:35:26 +00:00
parent 778c4291b7
commit 9aef4d69df
3 changed files with 33 additions and 25 deletions
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39
kernel/trunk/fs/fat12.inc
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@@ -88,26 +88,29 @@ fr_do_1:
shl ecx,9
cld
rep movsb
mov eax,0 ; ok read
mov ebx,0
mov [flp_status],0
xor eax,eax
xor ebx,ebx
; mov eax,0 ; ok read
; mov ebx,0
mov [flp_status],eax
ret
fdc_status_error_1:
mov [flp_status],0
xor eax,eax
mov [flp_status],eax
mov eax,10
mov ebx,-1
or ebx,-1
ret
fr_noroot_1:
sub esp,32
call expand_filename
frfloppy_1:
cmp ebx,0
jne frfl5_1
test ebx,ebx
jnz frfl5_1
mov ebx,1
frfl5_1:
cmp ecx,0
jne frfl6_1
test ecx,ecx
jnz frfl6_1
mov ecx,1
frfl6_1:
dec ebx
@@ -137,14 +140,14 @@ l.21_1:
add ecx,21
add edi, ecx ;Advance to next entry
dec dl
cmp dl,0
jne l.21_1
test dl,dl
jnz l.21_1
dec dh
cmp dh,0
jne l.20_1
test dh,dh
jnz l.20_1
fdc_status_error_3:
mov eax,5 ; file not found ?
mov ebx,-1
or ebx,-1
add esp,32+28
mov [flp_status],0
ret
@@ -232,8 +235,8 @@ frnoread_1:
add esp,4
pop ebx ; ebx <- eax : size of file
add esp,36
mov eax,0
mov [flp_status],0
xor eax,eax
mov [flp_status],eax
ret
fdc_status_error_5:
@@ -499,8 +502,8 @@ calculate_chs:
div ebx
mov [FDD_Track],al
mov [FDD_Head],0
cmp edx,0
je no_head_2
test edx,edx
jz no_head_2
inc [FDD_Head]
no_head_2:
mov dl,[old_track]