small update 46 system function(no tested!)
git-svn-id: svn://kolibrios.org@9742 a494cfbc-eb01-0410-851d-a64ba20cac60
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Doczom
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commit
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@ -693,6 +693,13 @@ destroy_thread:
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jmp rmpr9
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rmpr4:
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push eax edx ebp ;TODO: check using register ebp in next code
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mov eax, [edi + 4]
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mov edx, [edi + 8]
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xor ebp, ebp
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inc ebp
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call new_port_access_disable
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pop ebp edx eax
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mov ecx, 256
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sub ecx, esi
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@ -3480,6 +3480,11 @@ align 4
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ret
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;-----------------------------------------------------------------------------
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; in: eax = port
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; ebp = subfunction
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; 0 - set access
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; 1 - clear access
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; out: not return value
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align 4
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set_io_access_rights:
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push edi eax
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@ -3490,8 +3495,7 @@ set_io_access_rights:
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; add edi,eax
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; mov ebx,1
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; shl ebx,cl
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test ebp, ebp
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; cmp ebp,0 ; enable access - ebp = 0
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test ebp, ebp ; enable access - ebp = 0
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jnz .siar1
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; not ebx
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; and [edi],byte bl
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@ -3499,8 +3503,7 @@ set_io_access_rights:
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pop eax edi
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ret
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.siar1:
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bts [edi], eax
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; or [edi],byte bl ; disable access - ebp = 1
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bts [edi], eax ; disable access - ebp = 1
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pop eax edi
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ret
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@ -3526,12 +3529,6 @@ r_f_port_area:
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test ebx, ebx
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jnz free_port_area
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; je r_port_area
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; jmp free_port_area
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; r_port_area:
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; pushad
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cmp ecx, edx ; beginning > end ?
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ja rpal1
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@ -3550,43 +3547,32 @@ r_f_port_area:
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ja rpal4
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cmp edx, [ebx+4]
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jae rpal1
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; jb rpal4
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; jmp rpal1
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rpal4:
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dec eax
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jnz rpal3
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jmp rpal2
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rpal1:
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; popad
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; mov eax,1
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xor eax, eax
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inc eax
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ret
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rpal2:
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; popad
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; enable port access at port IO map
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cli
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pushad ; start enable io map
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cmp edx, 65536;16384
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jae no_unmask_io; jge
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mov eax, ecx
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; push ebp
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xor ebp, ebp ; enable - eax = port
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cli
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new_port_access:
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; pushad
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call set_io_access_rights
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; popad
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inc eax
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cmp eax, edx
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jbe new_port_access
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; pop ebp
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no_unmask_io:
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popad ; end enable io map
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sti
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popad ; end enable io map
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mov eax, [RESERVED_PORTS]
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add eax, 1
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inc eax
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mov [RESERVED_PORTS], eax
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shl eax, 4
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add eax, RESERVED_PORTS
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@ -3601,7 +3587,6 @@ no_unmask_io:
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free_port_area:
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; pushad
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mov eax, [RESERVED_PORTS]; no reserved areas ?
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test eax, eax
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jz frpal2
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@ -3622,7 +3607,6 @@ free_port_area:
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dec eax
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jnz frpal3
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frpal2:
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; popad
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inc eax
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ret
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frpal1:
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@ -3636,27 +3620,21 @@ free_port_area:
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rep movsb
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dec dword [RESERVED_PORTS]
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;popad
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;disable port access at port IO map
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; pushad ; start disable io map
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; start disable io map
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pop eax ;start port
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cmp edx, 65536;16384
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jge no_mask_io
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;cmp edx, 65536
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;jge no_mask_io
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; mov eax,ecx
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xor ebp, ebp
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inc ebp
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new_port_access_disable:
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; pushad
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; mov ebp,1 ; disable - eax = port
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new_port_access_disable: ; disable - eax = port
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call set_io_access_rights
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; popad
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inc eax
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cmp eax, edx
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jbe new_port_access_disable
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no_mask_io:
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; popad ; end disable io map
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no_mask_io: ; end disable io map
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xor eax, eax
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ret
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;-----------------------------------------------------------------------------
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