KolibriOS/kolibrios
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small update 46 system function(no tested!)

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git-svn-id: svn://kolibrios.org@9742 a494cfbc-eb01-0410-851d-a64ba20cac60
This commit is contained in:
Doczom 2022-03-18 04:09:59 +00:00
parent 6c66c1519e
commit 8708293b8f
2 changed files with 24 additions and 39 deletions
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7
kernel/trunk/core/sys32.inc
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@ -693,6 +693,13 @@ destroy_thread:
jmp rmpr9 jmp rmpr9
rmpr4: rmpr4:
push eax edx ebp ;TODO: check using register ebp in next code
mov eax, [edi + 4]
mov edx, [edi + 8]
xor ebp, ebp
inc ebp
call new_port_access_disable
pop ebp edx eax
mov ecx, 256 mov ecx, 256
sub ecx, esi sub ecx, esi

56
kernel/trunk/kernel.asm
View File

@ -3480,6 +3480,11 @@ align 4
ret ret
;----------------------------------------------------------------------------- ;-----------------------------------------------------------------------------
; in: eax = port
; ebp = subfunction
; 0 - set access
; 1 - clear access
; out: not return value
align 4 align 4
set_io_access_rights: set_io_access_rights:
push edi eax push edi eax
@ -3490,8 +3495,7 @@ set_io_access_rights:
; add edi,eax ; add edi,eax
; mov ebx,1 ; mov ebx,1
; shl ebx,cl ; shl ebx,cl
test ebp, ebp test ebp, ebp ; enable access - ebp = 0
; cmp ebp,0 ; enable access - ebp = 0
jnz .siar1 jnz .siar1
; not ebx ; not ebx
; and [edi],byte bl ; and [edi],byte bl
@ -3499,8 +3503,7 @@ set_io_access_rights:
pop eax edi pop eax edi
ret ret
.siar1: .siar1:
bts [edi], eax bts [edi], eax ; disable access - ebp = 1
; or [edi],byte bl ; disable access - ebp = 1
pop eax edi pop eax edi
ret ret
@ -3526,12 +3529,6 @@ r_f_port_area:
test ebx, ebx test ebx, ebx
jnz free_port_area jnz free_port_area
; je r_port_area
; jmp free_port_area
; r_port_area:
; pushad
cmp ecx, edx ; beginning > end ? cmp ecx, edx ; beginning > end ?
ja rpal1 ja rpal1
@ -3550,43 +3547,32 @@ r_f_port_area:
ja rpal4 ja rpal4
cmp edx, [ebx+4] cmp edx, [ebx+4]
jae rpal1 jae rpal1
; jb rpal4
; jmp rpal1
rpal4: rpal4:
dec eax dec eax
jnz rpal3 jnz rpal3
jmp rpal2 jmp rpal2
rpal1: rpal1:
; popad
; mov eax,1
xor eax, eax xor eax, eax
inc eax inc eax
ret ret
rpal2: rpal2:
; popad
; enable port access at port IO map ; enable port access at port IO map
cli
pushad ; start enable io map pushad ; start enable io map
cmp edx, 65536;16384
jae no_unmask_io; jge
mov eax, ecx mov eax, ecx
; push ebp
xor ebp, ebp ; enable - eax = port xor ebp, ebp ; enable - eax = port
cli
new_port_access: new_port_access:
; pushad
call set_io_access_rights call set_io_access_rights
; popad
inc eax inc eax
cmp eax, edx cmp eax, edx
jbe new_port_access jbe new_port_access
; pop ebp
no_unmask_io: no_unmask_io:
popad ; end enable io map
sti sti
popad ; end enable io map
mov eax, [RESERVED_PORTS] mov eax, [RESERVED_PORTS]
add eax, 1 inc eax
mov [RESERVED_PORTS], eax mov [RESERVED_PORTS], eax
shl eax, 4 shl eax, 4
add eax, RESERVED_PORTS add eax, RESERVED_PORTS
@ -3601,7 +3587,6 @@ no_unmask_io:
free_port_area: free_port_area:
; pushad
mov eax, [RESERVED_PORTS]; no reserved areas ? mov eax, [RESERVED_PORTS]; no reserved areas ?
test eax, eax test eax, eax
jz frpal2 jz frpal2
@ -3622,7 +3607,6 @@ free_port_area:
dec eax dec eax
jnz frpal3 jnz frpal3
frpal2: frpal2:
; popad
inc eax inc eax
ret ret
frpal1: frpal1:
@ -3636,27 +3620,21 @@ free_port_area:
rep movsb rep movsb
dec dword [RESERVED_PORTS] dec dword [RESERVED_PORTS]
;popad
;disable port access at port IO map ;disable port access at port IO map
; start disable io map
; pushad ; start disable io map
pop eax ;start port pop eax ;start port
cmp edx, 65536;16384 ;cmp edx, 65536
jge no_mask_io ;jge no_mask_io
; mov eax,ecx
xor ebp, ebp xor ebp, ebp
inc ebp inc ebp
new_port_access_disable: new_port_access_disable: ; disable - eax = port
; pushad
; mov ebp,1 ; disable - eax = port
call set_io_access_rights call set_io_access_rights
; popad
inc eax inc eax
cmp eax, edx cmp eax, edx
jbe new_port_access_disable jbe new_port_access_disable
no_mask_io: no_mask_io: ; end disable io map
; popad ; end disable io map
xor eax, eax xor eax, eax
ret ret
;----------------------------------------------------------------------------- ;-----------------------------------------------------------------------------