* boot cleanups (kernel.asm)

* faster & cleaner checkpixel (kernel.asm)
* a little bugfix in newproce.inc (".failed" -> ".cleanfailed")
* Halyavin's bugfix in mem.inc
* sheduler doesn't active proesses waiting for an event (func 10) (event.inc, sched.inc)
* faster event check (event.inc)

git-svn-id: svn://kolibrios.org@21 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/core/mem.inc

@@ -238,8 +238,8 @@ dispose_app_cr3_table:
 ;eax = current slot of process  
     mov   ecx,eax
     shl   ecx,5
-    cmp   byte [second_base_address+0x3000+ecx+0xa],0 ;if process running?
+    cmp   byte [second_base_address+0x3000+ecx+0xa],9 ;if process running?
-    jnz   .next                  ;slot empty or process is terminating - go to next slot
+    jz    .next                  ;skip empty slots
     shl   ecx,3
     cmp   [second_base_address+0x80000+ecx+0xB8],ebx  ;compare page directory addresses
     jnz   .next

kernel/trunk/core/newproce.inc

@@ -292,7 +292,7 @@ new_start_application_fl:
     
     call   get_app_params        ;parse header fields
     cmp    esi,0
-    jz     .failed
+    jz     .cleanfailed
     
     mov    eax,[new_process_place]
     call   create_app_cr3_table   ;create page directory for new process

kernel/trunk/core/sched.inc

@@ -36,12 +36,21 @@ irq0:
         mov   [edi+0x14], eax
 
         mov   ebx,[0x3000]
+        mov   [prev_slot], ebx
 
         cmp   [0xffff], byte 1
         je    .do_not_change_task
 
+
       .waiting_for_termination:
       .waiting_for_reuse:
+      .waiting_for_event:
+        cmp   ebx, [0x3004]
+        jb    @f
+        mov   edi, 0x3000
+        xor   ebx, ebx
+      @@:
+
         add   edi,0x20
         inc   ebx
 
@@ -53,15 +62,21 @@ irq0:
         cmp   al, 9
         je    .waiting_for_reuse
 
-        cmp   ebx,[0x3004]
-        jbe   @f
-        mov   ebx,1
-        mov   edi,0x3020
-       @@:
-
         mov   [0x3000],ebx
         mov   [0x3010],edi
 
+        cmp   al, 5
+        jne   .noevents
+        call  get_event_for_app
+        test  eax, eax
+        jz    .waiting_for_event
+        mov   [event_sched], eax
+        mov   [edi+0xA], byte 0
+        cmp   ebx, [prev_slot]
+        sete  [0xffff]
+      .noevents:
+
+
      .do_not_change_task:
 
         call  _rdtsc
@@ -92,12 +107,15 @@ irq0:
 
 
 uglobal
+   align 4
    far_jump:
     .offs dd ?
     .sel  dw ?
    context_counter     dd ? ;noname & halyavin
    next_usage_update   dd ?
    timer_ticks         dd ?
+   prev_slot dd ?
+   event_sched dd ?
 endg
 
 

kernel/trunk/gui/event.inc

@@ -9,16 +9,16 @@ align 4
 
 sys_wait_event_timeout:
 
-     mov   ebx,[timer_ticks];[0xfdf0]
+     mov   ebx,[timer_ticks]
      add   ebx,eax
-     cmp   ebx,[timer_ticks];[0xfdf0]
+     cmp   ebx,[timer_ticks]
      jna   .swfet2
    .swfet1:
      call  get_event_for_app
      test  eax,eax
      jne   .eventoccur_time
      call  change_task
-     cmp   ebx,[timer_ticks];[0xfdf0]
+     cmp   ebx,[timer_ticks]
      jg    .swfet1
    .swfet2:
      xor   eax,eax
@@ -36,10 +36,11 @@ sys_waitforevent:
      jne   eventoccur
    newwait:
 
+     mov   eax, [0x3010]
+     mov   [eax+0xA], byte 5
      call  change_task
-     call  get_event_for_app
+
-     test  eax,eax
+     mov eax, [event_sched]
-     je    newwait
 
    eventoccur:
      mov   [esp+36],eax
@@ -53,7 +54,7 @@ get_event_for_app:
      mov   edi,[0x3010]              ; WINDOW REDRAW
      test  [edi],dword 1
      jz    no_eventoccur1
-     mov   edi,[0x3010]
+     ;mov   edi,[0x3010]
      cmp   [edi-twdw+31],byte 0
      je    no_eventoccur1
      popad
@@ -61,7 +62,7 @@ get_event_for_app:
      ret
    no_eventoccur1:
 
-     mov   edi,[0x3010]              ; KEY IN BUFFER
+     ;mov   edi,[0x3010]              ; KEY IN BUFFER
      test  [edi],dword 2
      jz    no_eventoccur2
      mov   ecx, [0x3000]
@@ -76,16 +77,16 @@ get_event_for_app:
      ret
    no_eventoccur2:
 
-     mov   edi,[0x3010]              ; BUTTON IN BUFFER
+     ;mov   edi,[0x3010]              ; BUTTON IN BUFFER
      test  [edi],dword 4
      jz    no_eventoccur3
+     cmp   [0xf500],byte 0
+     je    no_eventoccur3
      mov   ecx, [0x3000]
      movzx edx, word [0xC000+ecx*2]
      mov   eax, [0x3004]
      cmp   eax,edx
      jnz   no_eventoccur3
-     cmp   [0xf500],byte 0
-     je    no_eventoccur3
      popad
      mov   eax,[0xf501]
      cmp   eax,65535
@@ -101,7 +102,22 @@ get_event_for_app:
 
    no_eventoccur3:
    
-     mov   edi,[0x3010]              ; DESKTOP BACKGROUND REDRAW
+   
+     ;mov   edi,[0x3010]              ; mouse event
+     test  [edi],dword 00100000b
+     jz    no_mouse_event
+     mov   eax,[0x3000]
+     shl   eax,8
+     test  [eax+0x80000+0xA8],dword 00100000b
+     jz    no_mouse_event
+     and   [eax+0x80000+0xA8],dword 0xffffffff-00100000b
+     popad
+     mov   eax,6
+     ret
+   no_mouse_event:
+   
+
+     ;mov   edi,[0x3010]              ; DESKTOP BACKGROUND REDRAW
      test  [edi],dword 16
      jz    no_eventoccur5
      cmp   [0xfff0],byte 2
@@ -111,46 +127,35 @@ get_event_for_app:
      ret
    no_eventoccur5:
 
-     mov   edi,[0x3010]              ; mouse event
+     ;mov   edi,[0x3010]              ; IPC
-     test  [edi],dword 00100000b
-     jz    no_mouse_event
-     mov   edi,[0x3000]
-     shl   edi,8
-     test  [edi+0x80000+0xA8],dword 00100000b
-     jz    no_mouse_event
-     and   [edi+0x80000+0xA8],dword 0xffffffff-00100000b
-     popad
-     mov   eax,6
-     ret
-   no_mouse_event:
-
-     mov   edi,[0x3010]              ; IPC
      test  [edi],dword 01000000b
      jz    no_ipc
-     mov   edi,[0x3000]
+     mov   eax,[0x3000]
-     shl   edi,8
+     shl   eax,8
-     test  [edi+0x80000+0xA8],dword 01000000b
+     test  [eax+0x80000+0xA8],dword 01000000b
      jz    no_ipc
-     and   [edi+0x80000+0xA8],dword 0xffffffff-01000000b
+     and   [eax+0x80000+0xA8],dword 0xffffffff-01000000b
      popad
      mov   eax,7
      ret
    no_ipc:
 
 
-     mov   edi,[0x3010]              ; STACK
+     ;mov   edi,[0x3010]              ; STACK
      test  [edi],dword 10000000b
      jz    no_stack_event
-     mov   edi,[0x3000]
+     mov   eax,[0x3000]
-     shl   edi,8
+     shl   eax,8
-     test  [edi+0x80000+0xA8],dword 10000000b
+     test  [eax+0x80000+0xA8],dword 10000000b
      jz    no_stack_event
-     and   [edi+0x80000+0xA8],dword 0xffffffff-10000000b
+     and   [eax+0x80000+0xA8],dword 0xffffffff-10000000b
      popad
-     mov   eax,7
+     mov   eax,8
      ret
    no_stack_event:
 
+     cmp   dword [edi], 0xFFFF
+     jbe   no_events
 
      mov   esi,0x2e0000              ; IRQ'S AND DATA
      mov   ebx,0x00010000
@@ -181,6 +186,7 @@ get_event_for_app:
      cmp   ecx,16
      jb    irq_event_test
 
+   no_events:
      popad
      xor   eax, eax
      ret

kernel/trunk/kernel.asm

@@ -640,10 +640,9 @@ include 'vmodeld.inc'
         mov  [0x80000+256+0],dword 'OS/I'
         mov  [0x80000+256+4],dword 'DLE '
         ; task list
-        mov  [0x3004],dword 2         ; number of processes
-        mov  [0x3000],dword 0         ; process count - start with os task
         mov  [0x3020+0xE],byte  1     ; on screen number
         mov  [0x3020+0x4],dword 1     ; process id number
+        mov  [0x3020+0x10], dword 0   ; process base address
 
         ; set default flags & stacks
         mov  [l.eflags],dword 0x11202 ; sti and resume
@@ -718,51 +717,43 @@ include 'vmodeld.inc'
 
 
 ; LOAD FIRST APPLICATION
-        mov   [0x3000],dword 1 ;1
+        mov   [0x3000],dword 1
-        mov   [0x3004],dword 1 ;1
+        mov   [0x3004],dword 1
         cli
         mov   al,[0x2f0000+0x9030]
         cmp   al,1
         jne   no_load_vrr_m
         mov   eax,vrr_m
         call  start_application_fl
-        cmp   eax,2                  ; if no vrr_m app found
+        cmp   eax,2                  ; if vrr_m app found (PID=2)
         je    first_app_found
         
     no_load_vrr_m:
         mov   eax,firstapp
         call  start_application_fl
 
-        cmp   eax,2                  ; if no first app found - halt
+        cmp   eax,2                  ; continue if a process has been loaded
         je    first_app_found
-        mov   eax, 0xDEADBEEF
+        mov   eax, 0xDEADBEEF        ; otherwise halt
-        hlt    ;jmp   $
+        hlt
       first_app_found:
         cli
 
-        mov   [0x3004],dword 2
+        ;mov   [0x3004],dword 2
-        mov   [0x3000],dword 1
+        mov   [0x3000],dword 1       ; set OS task fisrt
 
 
-; START MULTITASKING
-
-        mov   esi,boot_tasking
-        call  boot_log
-
-        mov   [0xe000],byte 1        ; multitasking enabled
-
-    mov   al, 0xf6         ; Ñáðîñ êëàâèàòóðû, ðàçðåøèòü ñêàíèðîâàíèå
-        call  kb_write
-
-        mov     ecx,0
-wait_loop_1:       ; variant 2
-; ÷èòàåì ïîðò ñîñòîÿíèÿ ïðîöåññîðà 8042
-        in      al,64h 
-    and     al,00000010b  ; ôëàã ãîòîâíîñòè
-; îæèäàåì ãîòîâíîñòü ïðîöåññîðà 8042
-    loopnz  wait_loop_1
-
 ; SET KEYBOARD PARAMETERS
+        mov   al, 0xf6         ; reset keyboard, scan enabled
+        call  kb_write
+
+        ; wait until 8042 is ready
+        mov    ecx,0
+      @@:
+        in     al,64h 
+        and    al,00000010b
+        loopnz @b
+
        ; mov   al, 0xED       ; svetodiody - only for testing!
        ; call  kb_write
        ; call  kb_read
@@ -780,6 +771,12 @@ wait_loop_1:       ; variant 2
         call  set_lights
      ;// mike.dld ]
 
+; START MULTITASKING
+
+        mov   esi,boot_tasking
+        call  boot_log
+
+        mov   [0xe000],byte 1        ; multitasking enabled
 
 ; UNMASK ALL IRQ'S
 
@@ -835,7 +832,6 @@ osloop:
 
 
 checkidle:
-
         pushad
 
         cmp  [check_idle_semaphore],0
@@ -3024,72 +3020,24 @@ modify_pce:
 ret
 ;---------------------------------------------------------------------------------------------
 
-; check pixel limits
-
-;cplimit:
-;        push    edi
-
-;        cmp     byte [0xe000], 1      ; Multitasking enabled?
-;        jnz     .ret0
-;        mov     edi,[0x3010]
-;        add     edi, draw_data-0x3000
-;        mov     ecx, 1
-;        cmp     [edi+0], eax  ; xs
-;        ja      .ret1
-;        cmp     [edi+4], ebx  ; ys
-;        ja      .ret1
-;        cmp     eax, [edi+8]   ; xe
-;        ja      .ret1
-;        cmp     ebx, [edi+12] ; ye
-;        ja      .ret1
-
-;.ret0:
-;        xor     ecx, ecx
-;.ret1:
-;        pop     edi
-;        ret
-
 
 ; check if pixel is allowed to be drawn
 
 checkpixel:
-
+        push eax edx
-        push eax
-        push ebx
-        push edx
-
-;        mov   ecx,[0x3000]  ; process count
-;        shl   ecx, 6        ; *64
-;        add   ecx,0xc000    ; +window_stack
-;        mov   dx,word [ecx] ; window_stack_value
-
-;        cmp   dx, word [0x3004] ; is this window active right now?!
-;        jz    .ret0
-
-;        call  cplimit
-;        test  ecx, ecx
-;        jnz   .ret1
 
         mov  edx,[0xfe00]     ; screen x size
         inc  edx
         imul edx, ebx
         mov  dl, [eax+edx+display_data] ; lea eax, [...]
-;;;        mov  dl,[eax]
 
-        mov  eax,[0x3000]
+        mov  eax, [0x3010]
-        shl  eax,5
-        add  eax,0x3000+0xe
 
-        mov  ecx, 1
-        cmp  byte [eax], dl
-        jnz  .ret1
-
-.ret0:
         xor  ecx, ecx
-.ret1:
+        cmp  byte [eax+0xe], dl
-        pop  edx
+        setne cl
-        pop  ebx
+
-        pop  eax
+        pop  edx eax
         ret
 
 uglobal