forked from KolibriOS/kolibrios
623 lines
14 KiB
PHP
623 lines
14 KiB
PHP
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align 4
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init_events:
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stdcall kernel_alloc, 512*EVENT_SIZE
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mov [events], eax
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xor eax, eax
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mov [event_uid], eax
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not eax
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mov edi, event_map
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mov [event_start], edi
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mov ecx, 64/4
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cld
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rep stosd
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mov [event_end], edi
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ret
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align 4
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proc alloc_event
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pushfd
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cli
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mov ebx, [event_start]
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mov ecx, [event_end]
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.l1:
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bsf eax,[ebx]
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jnz .found
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add ebx,4
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cmp ebx, ecx
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jb .l1
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popfd
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xor eax,eax
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ret
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.found:
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btr [ebx], eax
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mov [event_start],ebx
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inc [event_uid]
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sub ebx, event_map
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lea eax,[eax+ebx*8]
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lea ebx, [eax+eax*4]
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shl eax,5
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lea eax,[eax+ebx*4] ;eax*=52 (EVENT_SIZE)
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add eax, [events]
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mov ebx, [event_uid]
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popfd
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ret
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endp
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align 4
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free_event:
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sub eax, [events]
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mov ecx, EVENT_SIZE
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mov ebx, event_map
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cdq
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div ecx
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pushfd
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cli
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bts [ebx], eax
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shr eax, 3
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and eax, not 3
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add eax, ebx
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cmp [event_start], eax
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ja @f
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popfd
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ret
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@@:
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mov [event_start], eax
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popfd
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ret
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EVENT_WATCHED equ 0x10000000
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EVENT_SIGNALED equ 0x20000000
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MANUAL_RESET equ 0x40000000
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MANUAL_DESTROY equ 0x80000000
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; param
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; eax= event data
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; ebx= flags
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;
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; retval
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; eax= event
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; edx= id
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create_event:
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.flags equ esp+4
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.data equ esp
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push ebx
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push eax
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call alloc_event
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test eax, eax
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jz .fail
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mov [eax+APPOBJ.magic], 'EVNT'
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mov [eax+APPOBJ.destroy], destroy_event.internal
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mov [eax+EVENT.id], ebx
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mov ebx, [CURRENT_TASK]
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shl ebx, 5
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mov ebx, [0x3000+ebx+4]
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mov [eax+APPOBJ.pid], ebx
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mov edx, [.flags]
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mov [eax+EVENT.state], edx
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mov esi, [.data]
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test esi, esi
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jz @F
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lea edi, [eax+EVENT.code]
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mov ecx, 6
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cld
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rep movsd
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@@:
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mov ecx, [CURRENT_TASK]
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shl ecx,8
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add ecx, PROC_BASE+APP_OBJ_OFFSET
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pushfd
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cli
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mov edx, [ecx+APPOBJ.fd]
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mov [eax+APPOBJ.fd], edx
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mov [eax+APPOBJ.bk], ecx
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mov [ecx+APPOBJ.fd], eax
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mov [edx+APPOBJ.bk], eax
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popfd
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mov edx, [eax+EVENT.id]
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.fail:
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add esp, 8
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ret
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restore .flags
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restore .data
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; param
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; eax= event
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; ebx= id
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destroy_event:
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cmp [eax+APPOBJ.magic], 'EVNT'
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jne .fail
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cmp [eax+EVENT.id], ebx
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jne .fail
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.internal:
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mov ebx, [eax+APPOBJ.fd]
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mov ecx, [eax+APPOBJ.bk]
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mov [ebx+APPOBJ.bk], ecx
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mov [ecx+APPOBJ.fd], ebx
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.force:
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xor edx, edx ;clear common header
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mov [eax], edx
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mov [eax+4], edx
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mov [eax+8], edx
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mov [eax+12], edx
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mov [eax+16], edx
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call free_event ;release object memory
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.fail:
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ret
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align 4
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proc send_event stdcall pid:dword, event:dword
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locals
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slot dd ?
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endl
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mov eax, [pid]
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call pid_to_slot
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test eax, eax
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jz .fail
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shl eax, 8
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cmp [PROC_BASE+eax+APPDATA.ev_count], 32
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ja .fail
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mov [slot], eax
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call alloc_event
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test eax, eax
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jz .fail
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lea edi, [eax+EVENT.code]
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mov ecx, 6
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mov esi, [event]
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cld
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rep movsd
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mov ecx, [slot]
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add ecx, PROC_BASE+APP_EV_OFFSET
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mov [eax+APPOBJ.magic], 'EVNT'
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mov [eax+APPOBJ.destroy], destroy_event
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mov ebx, [pid]
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mov [eax+APPOBJ.pid], ebx
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mov [eax+EVENT.state], EVENT_SIGNALED
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pushfd
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cli ;insert event into
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mov edx, [ecx+APPOBJ.fd] ;events list
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mov [eax+APPOBJ.fd], edx ;and set events flag
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mov [eax+APPOBJ.bk], ecx
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mov [ecx+APPOBJ.fd], eax
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mov [edx+APPOBJ.bk], eax
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inc [ecx+APPDATA.ev_count-APP_EV_OFFSET]
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or [ecx+APPDATA.event_mask-APP_EV_OFFSET], EVENT_EXTENDED
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popfd
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.fail:
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ret
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endp
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; timeout ignored
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align 4
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proc get_event_ex stdcall, p_ev:dword, timeout:dword
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.wait:
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mov edx,[CURRENT_TASK]
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shl edx,8
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cmp [PROC_BASE+edx+APPDATA.ev_count], 0
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je .switch
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add edx, PROC_BASE+APP_EV_OFFSET
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mov eax, [edx+EVENT.fd]
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cmp eax, edx
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je .switch
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lea esi, [eax+EVENT.code]
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mov edi, [p_ev] ;copy event data
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mov ecx, 6
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cld
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rep movsd
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and dword [edi-24], 0xFF00FFFF ;clear priority field
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;
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test [eax+EVENT.state], MANUAL_RESET
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jnz .done
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pushfd
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cli ;remove event from events
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mov ebx, [eax+APPOBJ.fd] ;list (reset event)
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mov ecx, [eax+APPOBJ.bk] ;and clear events flag
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mov [ebx+APPOBJ.bk], ecx ;if no active events
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mov [ecx+APPOBJ.fd], ebx
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dec [edx+APPDATA.ev_count-APP_EV_OFFSET]
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jnz @F
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and [edx+APPDATA.event_mask-APP_EV_OFFSET], not EVENT_EXTENDED
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popfd
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test [eax+EVENT.state], MANUAL_DESTROY
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jz .destroy
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add edx, (APP_OBJ_OFFSET-APP_EV_OFFSET)
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pushfd
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cli
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mov edx, [ecx+APPOBJ.fd] ;insert event into
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mov [eax+APPOBJ.fd], edx ;objects list
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mov [eax+APPOBJ.bk], ecx
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mov [ecx+APPOBJ.fd], eax
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mov [edx+APPOBJ.bk], eax
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popfd
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.done:
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ret
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.destroy:
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call destroy_event.force
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ret
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.switch:
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mov eax, [0x3010]
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mov [eax+TASKDATA.state], byte 5
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call change_task
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jmp .wait
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endp
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; param
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; eax= event
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; ebx= id
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align 4
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wait_event:
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.event equ esp
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push eax
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.wait:
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cmp [eax+APPOBJ.magic], 'EVNT'
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jne .done
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cmp [eax+EVENT.id], ebx
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jne .done
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test [eax+EVENT.state], EVENT_SIGNALED
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jz .switch
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test [eax+EVENT.state], MANUAL_RESET
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jnz .done
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mov edx,[CURRENT_TASK]
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shl edx,8
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add edx, PROC_BASE
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pushfd
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cli ;remove event from events
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mov ebx, [eax+APPOBJ.fd] ;list (reset event)
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mov ecx, [eax+APPOBJ.bk] ;and clear events flag
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mov [ebx+APPOBJ.bk], ecx ;if no active events
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mov [ecx+APPOBJ.fd], ebx
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dec [edx+APPDATA.ev_count]
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jnz @F
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and [edx+APPDATA.event_mask], not EVENT_EXTENDED
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@@:
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and [eax+EVENT.state], not (EVENT_SIGNALED+EVENT_WATCHED)
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popfd
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test [eax+EVENT.state], MANUAL_DESTROY
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jz .destroy
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add edx, APP_OBJ_OFFSET
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pushfd
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cli
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mov ecx, [edx+APPOBJ.fd] ;insert event into
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mov [eax+APPOBJ.fd], ecx ;objects list
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mov [eax+APPOBJ.bk], edx
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mov [edx+APPOBJ.fd], eax
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mov [ecx+APPOBJ.bk], eax
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popfd
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.done:
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add esp, 4
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ret
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.destroy:
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call destroy_event.force
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add esp, 4
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ret
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.switch:
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or [eax+EVENT.state], EVENT_WATCHED
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mov eax, [0x3010]
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mov [eax+TASKDATA.state], byte 5
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call change_task
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mov eax, [.event]
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jmp .wait
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restore .event
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; param
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; eax= event
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; ebx= id
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; ecx= flags
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raise_event:
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.event equ esp
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push eax
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cmp [eax+APPOBJ.magic], 'EVNT'
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jne .fail
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cmp [eax+EVENT.id], ebx
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jne .fail
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mov eax, [eax+APPOBJ.pid]
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call pid_to_slot
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test eax, eax
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jz .fail
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mov edx, [.event]
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test [edx+EVENT.state], EVENT_SIGNALED
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jnz .done
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test ecx, EVENT_WATCHED
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jz @F
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test [edx+EVENT.state], EVENT_WATCHED
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jz .done
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@@:
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shl eax, 8
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add eax, PROC_BASE+APP_EV_OFFSET
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pushfd
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cli
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mov ebx, [edx+APPOBJ.fd]
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mov ecx, [edx+APPOBJ.bk]
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mov [ebx+APPOBJ.bk], ecx
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mov [ecx+APPOBJ.fd], ebx
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mov ecx, [eax+APPOBJ.fd]
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mov [edx+APPOBJ.fd], ecx
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mov [edx+APPOBJ.bk], eax
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mov [eax+APPOBJ.fd], edx
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mov [ecx+APPOBJ.bk], edx
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or [edx+EVENT.state], EVENT_SIGNALED
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inc [eax+APPDATA.ev_count-APP_EV_OFFSET]
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or [eax+APPDATA.event_mask-APP_EV_OFFSET], EVENT_EXTENDED
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popfd
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.fail:
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.done:
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add esp, 4
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ret
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restore .event
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sys_getevent:
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call get_event_for_app
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mov [esp+36],eax
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ret
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align 4
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sys_wait_event_timeout:
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mov ebx,[timer_ticks]
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add ebx,eax
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cmp ebx,[timer_ticks]
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jna .swfet2
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.swfet1:
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call get_event_for_app
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test eax,eax
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jne .eventoccur_time
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call change_task
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cmp ebx,[timer_ticks]
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jg .swfet1
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.swfet2:
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xor eax,eax
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.eventoccur_time:
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mov [esp+36],eax
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ret
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align 4
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sys_waitforevent:
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call get_event_for_app
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test eax,eax
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jne eventoccur
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newwait:
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mov eax, [0x3010]
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mov [eax+TASKDATA.state], byte 5
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call change_task
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mov eax, [event_sched]
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eventoccur:
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mov [esp+36],eax
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ret
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get_event_for_app:
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pushad
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mov edi,[0x3010] ; WINDOW REDRAW
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test [edi+TASKDATA.event_mask],dword 1
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jz no_eventoccur1
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;mov edi,[0x3010]
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cmp [edi-twdw+WDATA.fl_redraw],byte 0
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je no_eventoccur1
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popad
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mov eax,1
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ret
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no_eventoccur1:
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;mov edi,[0x3010] ; KEY IN BUFFER
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test [edi+TASKDATA.event_mask],dword 2
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jz no_eventoccur2
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mov ecx, [0x3000]
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movzx edx,word [0xC000+ecx*2]
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mov eax, [0x3004]
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cmp eax,edx
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jne no_eventoccur2x
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cmp [0xf400],byte 0
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je no_eventoccur2x
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eventoccur2:
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popad
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mov eax,2
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ret
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no_eventoccur2x:
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mov eax, hotkey_buffer
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@@:
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cmp [eax], ecx
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jz eventoccur2
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add eax, 8
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cmp eax, hotkey_buffer+120*8
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jb @b
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no_eventoccur2:
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;mov edi,[0x3010] ; BUTTON IN BUFFER
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test [edi+TASKDATA.event_mask],dword 4
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jz no_eventoccur3
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cmp [0xf500],byte 0
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je no_eventoccur3
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mov ecx, [0x3000]
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movzx edx, word [0xC000+ecx*2]
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mov eax, [0x3004]
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cmp eax,edx
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jnz no_eventoccur3
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popad
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mov eax,[0xf501]
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cmp eax,65535
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je no_event_1
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mov eax,3
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ret
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no_event_1:
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mov [window_minimize],1
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mov [0xf500],byte 0
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xor eax, eax
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ret
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no_eventoccur3:
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;mov edi,[0x3010] ; mouse event
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test [edi+TASKDATA.event_mask],dword 00100000b
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jz no_mouse_event
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 00100000b
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jz no_mouse_event
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-00100000b
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popad
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mov eax,6
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ret
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no_mouse_event:
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;mov edi,[0x3010] ; DESKTOP BACKGROUND REDRAW
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test [edi+TASKDATA.event_mask],dword 16
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jz no_eventoccur5
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cmp [0xfff0],byte 2
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jnz no_eventoccur5
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popad
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mov eax,5
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ret
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no_eventoccur5:
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;mov edi,[0x3010] ; IPC
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test [edi+TASKDATA.event_mask],dword 01000000b
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jz no_ipc
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 01000000b
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jz no_ipc
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-01000000b
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popad
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mov eax,7
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ret
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no_ipc:
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;mov edi,[0x3010] ; STACK
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test [edi+TASKDATA.event_mask],dword 10000000b
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jz no_stack_event
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mov eax,[0x3000]
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shl eax,8
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test [eax+0x80000+APPDATA.event_mask],dword 10000000b
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jz no_stack_event
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and [eax+0x80000+APPDATA.event_mask],dword 0xffffffff-10000000b
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popad
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mov eax,8
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ret
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no_stack_event:
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test byte [edi+TASKDATA.event_mask+1], 1 ; DEBUG
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jz .test_IRQ
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mov eax, [0x3000]
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shl eax, 8
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test byte [eax+0x80000+APPDATA.event_mask+1], byte 1
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jz .test_IRQ
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and byte [eax+0x80000+APPDATA.event_mask+1], not 1
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popad
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mov eax, 9
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ret
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;.test_ext:
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; mov eax, [0x3000]
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; shl eax, 8
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; test dword [eax+0x80000+APPDATA.event_mask], EVENT_EXTENDED
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; jz .test_IRQ
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; popad
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|
; mov eax, 10
|
|
; ret
|
|
|
|
.test_IRQ:
|
|
cmp dword [edi+TASKDATA.event_mask], 0xFFFF
|
|
jbe no_events
|
|
|
|
mov esi,0x2e0000 ; IRQ'S AND DATA
|
|
mov ebx,0x00010000
|
|
xor ecx, ecx
|
|
irq_event_test:
|
|
mov edi,[0x3010]
|
|
test [edi+TASKDATA.event_mask],ebx
|
|
jz no_irq_event
|
|
mov edi,ecx
|
|
shl edi,2
|
|
add edi,irq_owner
|
|
mov edx,[edi]
|
|
mov eax,[0x3010]
|
|
mov eax,[eax+TASKDATA.pid]
|
|
cmp edx,eax
|
|
jne no_irq_event
|
|
cmp [esi],dword 0
|
|
jz no_irq_event
|
|
mov eax,ecx
|
|
add eax,16
|
|
mov [esp+28],eax
|
|
popad
|
|
ret
|
|
no_irq_event:
|
|
add esi,0x1000
|
|
shl ebx,1
|
|
inc ecx
|
|
cmp ecx,16
|
|
jb irq_event_test
|
|
|
|
no_events:
|
|
popad
|
|
xor eax, eax
|
|
ret
|
|
|
|
|
|
|