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30 and 43 sysfunc rewritten without cross registers call.

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git-svn-id: svn://kolibrios.org@1304 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Alexey Teplov (
2009-12-02 17:10:46 +00:00
parent 4a0abac115
commit ad63ea7013
4 changed files with 109 additions and 85 deletions
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102
kernel/trunk/kernel.asm
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@@ -1180,60 +1180,62 @@ set_variables:
ret
align 4
;input eax=43,bl-byte of output, ecx - number of port
sys_outport:
mov edi,ebx ; separate flag for read / write
and ebx,65535
mov edi,ecx ; separate flag for read / write
and ecx,65535
mov ecx,[RESERVED_PORTS]
test ecx,ecx
jne sopl8
mov [esp+36],dword 1
mov eax,[RESERVED_PORTS]
test eax,eax
jnz .sopl8
inc eax
mov [esp+32],eax
ret
sopl8:
.sopl8:
mov edx,[TASK_BASE]
mov edx,[edx+0x4]
and ebx,65535
cld
sopl1:
;and ecx,65535
;cld - set on interrupt 0x40
.sopl1:
mov esi,ecx
mov esi,eax
shl esi,4
add esi,RESERVED_PORTS
cmp edx,[esi+0]
jne sopl2
cmp ebx,[esi+4]
jb sopl2
cmp ebx,[esi+8]
jg sopl2
jmp sopl3
sopl2:
dec ecx
jnz sopl1
mov [esp+36],dword 1
ret
sopl3:
jne .sopl2
cmp ecx,[esi+4]
jb .sopl2
cmp ecx,[esi+8]
jg .sopl2
.sopl3:
test edi,0x80000000 ; read ?
jnz sopl4
jnz .sopl4
mov dx,bx ; write
mov eax,ebx
mov dx,cx ; write
out dx,al
and [esp+36],dword 0
and [esp+32],dword 0
ret
sopl4:
.sopl2:
mov dx,bx ; read
dec eax
jnz .sopl1
inc eax
mov [esp+32],eax
ret
.sopl4:
mov dx,cx ; read
in al,dx
and eax,0xff
and [esp+36],dword 0
mov [esp+24],eax
and [esp+32],dword 0
mov [esp+20],eax
ret
display_number:
@@ -2558,49 +2560,49 @@ force_redraw_background:
align 4
sys_getbackground:
cmp eax,1 ; SIZE
; cmp eax,1 ; SIZE
dec ebx
jnz nogb1
mov eax,[BgrDataWidth]
shl eax,16
mov ax,[BgrDataHeight]
mov [esp+36],eax
mov [esp+32],eax
ret
nogb1:
cmp eax,2 ; PIXEL
; cmp eax,2 ; PIXEL
dec ebx
jnz nogb2
mov eax, [img_background]
test ebx, ebx
test ecx, ecx
jz @f
cmp eax, static_background_data
jz .ret
@@:
mov ecx, [mem_BACKGROUND]
add ecx, 4095
and ecx, -4096
sub ecx, 4
cmp ebx, ecx
mov ebx, [mem_BACKGROUND]
add ebx, 4095
and ebx, -4096
sub ebx, 4
cmp ecx, ebx
ja .ret
mov eax,[ebx+eax]
mov eax,[ecx+eax]
and eax, 0xFFFFFF
mov [esp+36],eax
mov [esp+32],eax
.ret:
ret
nogb2:
cmp eax,4 ; TILED / STRETCHED
; cmp eax,4 ; TILED / STRETCHED
dec ebx
jnz nogb4
mov eax,[BgrDrawMode]
nogb4:
mov [esp+36],eax
mov [esp+32],eax
ret
align 4
sys_getkey: