deleted cross order of registers in functions 41,42

some optimizations of them

*because revision 741 is broken, I tested it on revision 724

git-svn-id: svn://kolibrios.org@742 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/trunk/core/syscall.inc

@@ -144,8 +144,8 @@ iglobal
       dd syscall_drawline	 ; 38-DrawLine
       dd sys_getbackground	 ; 39-GetBackgroundSize,ReadBgrData,.
       dd 0
-      dd syscall_getirqowner     ; 41-GetIrqOwner
+      dd 0
-      dd get_irq_data            ; 42-ReadIrqData
+      dd	     ; 42-ReadIrqData
       dd sys_outport		 ; 43-SendDeviceData
       dd sys_programirq 	 ; 44-ProgramIrqs
       dd reserve_free_irq	 ; 45-ReserveIrq and FreeIrq
@@ -224,8 +224,8 @@ iglobal
       dd cross_order		 ; 38-DrawLine
       dd cross_order		 ; 39-GetBackgroundSize,ReadBgrData,.
       dd set_app_param		 ; 40-WantEvents
-      dd cross_order             ; 41-GetIrqOwner
+      dd syscall_getirqowner	 ; 41-GetIrqOwner
-      dd cross_order             ; 42-ReadIrqData
+      dd get_irq_data		 ; 42-ReadIrqData
       dd cross_order		 ; 43-SendDeviceData
       dd cross_order		 ; 44-ProgramIrqs
       dd cross_order		 ; 45-ReserveIrq and FreeIrq

kernel/trunk/kernel.asm

@@ -3934,45 +3934,44 @@ sys_programirq:
 align 4
 
 get_irq_data:
-     cmp   eax,16
+     cmp   ebx,16
      jae   .not_owner
-     mov   edx,eax           ; check for correct owner
+     mov   eax, [4 * ebx + irq_owner]
-     shl   edx,2
+
-     add   edx,irq_owner
-     mov   edx,[edx]
      mov   edi,[TASK_BASE]
-     mov   edi,[edi+TASKDATA.pid]
+
-     cmp   edx,edi
+     cmp   eax,[edi+TASKDATA.pid]
      je    gidril1
 .not_owner:
-     mov   [esp+32],dword 2     ; ecx=2
+     mov   [esp+28],dword 2	; ecx=2
      ret
 
   gidril1:
 
-     mov   ebx,eax
      shl   ebx,12
-     add   ebx,IRQ_SAVE
-     mov   eax,[ebx]
      mov   ecx,1
-     test  eax,eax
+     lea   eax,[ebx + IRQ_SAVE + 0x10]
+     mov   edx,[eax - 0x10]
+     test  edx,edx
      jz    gid1
 
-     dec   eax
+     dec   dword [eax - 0x10]
-     mov   esi,ebx
+
-     mov   [ebx],eax
+     movzx ebx,byte [eax]
-     movzx ebx,byte [ebx+0x10]
+
-     add   esi,0x10
+     mov   edi, eax
-     mov   edi,esi
+     xchg  esi, eax
      inc   esi
+
      mov   ecx,4000 / 4
      cld
      rep   movsd
 ;     xor   ecx,ecx     ; as result of 'rep' ecx=0
+     dec   edx
    gid1:
-     mov   [esp+36],eax
+     mov   [esp+32],edx
-     mov   [esp+32],ecx
+     mov   [esp+28],ecx
-     mov   [esp+24],ebx
+     mov   [esp+20],ebx
      ret
 
 
@@ -5103,15 +5102,16 @@ syscall_drawline:                       ; DrawLine
 align 4
 
 syscall_getirqowner:			; GetIrqOwner
-     cmp   eax,16
+
+     cmp   ebx,16
      jae   .err
-     shl   eax,2
+
-     add   eax,irq_owner
+     mov   eax,[4 * ebx + irq_owner]
-     mov   eax,[eax]
+     mov   [esp+32],eax
-     mov   [esp+36],eax
+
      ret
 .err:
-     or    dword [esp+36], -1
+     or    dword [esp+32], -1
      ret
 
 align 4