IRQH code

git-svn-id: svn://kolibrios.org@2049 a494cfbc-eb01-0410-851d-a64ba20cac60

kernel/branches/Kolibri-acpi/const.inc

@@ -771,3 +771,27 @@ end virtual
 virtual at 0
   CSYM COFF_SYM
 end virtual
+
+struc LHEAD
+{
+   .next            dd ?   ;next object in list
+   .prev            dd ?   ;prev object in list
+   .sizeof:
+}
+
+virtual at 0
+  LHEAD LHEAD
+end virtual
+
+struc IRQH
+{
+   .list            LHEAD
+   .handler         dd ?   ;handler roututine
+   .data            dd ?   ;user-specific data
+   .sizeof:
+}
+
+virtual at 0
+  IRQH IRQH
+end virtual
+

kernel/branches/Kolibri-acpi/core/apic.inc

@@ -103,6 +103,28 @@ APIC_init:
     out 0x23, al
 
 	; mov	dword[irq_type_to_set], IRQ_TYPE_APIC
+
+;init handlers table
+
+    mov ecx, IRQ_RESERVE
+    mov edi, irqh_tab
+@@:
+    mov eax, edi
+    stosd
+    stosd
+    loop @B
+
+    mov ecx, 48
+    mov eax, irqh_array+IRQH.sizeof
+    mov [next_irqh], irqh_array
+
+@@:
+    mov [eax-IRQH.sizeof], eax
+    add eax, IRQH.sizeof
+    loop @B
+
+    mov [eax-IRQH.sizeof], dword 0
+
 .no_apic:
 	ret
 
@@ -491,3 +513,94 @@ endp
 	; popa
 	; ret
 ; endp
+
+
+macro __list_add new, prev, next
+{
+    mov [next+LHEAD.prev], new
+    mov [new+LHEAD.next], next
+    mov [new+LHEAD.prev], prev
+    mov [prev+LHEAD.next], new
+}
+
+macro list_add new, head
+{
+    mov eax, [head+LHEAD.next]
+    __list_add new, head, eax
+}
+
+macro list_add_tail new, head
+{
+    mov eax, [head+LHEAD.prev]
+    __list_add new, eax, head
+}
+
+
+align 4
+proc attach_int_handler_ex stdcall, irq:dword, handler:dword, user_data:dword
+         locals
+           .irqh dd ?
+         endl
+
+         and [.irqh], 0
+
+         push ebx
+
+         mov  ebx, [irq]            ;irq num
+         test ebx, ebx
+         jz   .err
+
+         cmp  ebx, IRQ_RESERVE
+         jae  .err
+
+         mov  edx, [handler]
+         test edx, edx
+         jz   .err
+
+         pushfd
+         cli
+
+;allocate handler
+
+         mov ecx, [next_irqh]
+         test ecx, ecx
+         jz .fail
+
+         mov eax, [ecx]
+         mov [next_irqh], eax
+
+         mov [.irqh], ecx
+
+         mov eax, [user_data]
+         mov [ecx+IRQH.handler], edx
+         mov [ecx+IRQH.data],    eax
+
+         mov eax, [irqh_set]
+         bt [pci_irq_set], ebx      ;check irq type
+         jc .pci_irq
+
+.isa_irq:
+         bts eax, ebx               ;check for installed handler
+         jc .fail
+
+.set_handler:
+         mov [irqh_set], eax
+
+         lea edx, [irqh_tab+ebx*8]
+         list_add_tail ecx, edx     ;clobber eax
+
+         stdcall enable_irq, [irq]
+
+.fail:
+         popfd
+.err:
+         pop ebx
+         mov eax, [.irqh]
+         ret
+
+.pci_irq:
+         bts ecx, ebx               ;check for installed handler
+         jmp .set_handler
+
+endp
+

kernel/branches/Kolibri-acpi/data32.inc

@@ -271,6 +271,11 @@ irq_owner	  rd IRQ_RESERVE ; process id
 irq00read	  rd 16 * IRQ_RESERVE
 irq_tab 	  rd IRQ_RESERVE
 
+irqh_tab      rd LHEAD.sizeof * IRQ_RESERVE / 4
+
+irqh_array    rd IRQH.sizeof *48 /4
+next_irqh     rd 1
+
 mem_block_map     rb 512
 mem_block_list    rd 64
 large_block_list  rd 31
@@ -301,6 +306,8 @@ os_stack_seg      rd 1
 srv.fd            rd 1
 srv.bk            rd 1
 
+irqh_set          rd 1
+pci_irq_set       rd 1
 
 align 16
 

kernel/branches/Kolibri-acpi/kernel.asm

@@ -1017,8 +1017,7 @@ end if
    	     stdcall enable_irq, 6		; FDD
 	     stdcall enable_irq, 13		; co-processor
 
-       	stdcall attach_int_handler, dword 1, irq1, dword 0	; keyboard
+        stdcall attach_int_handler_ex, 1, irq1, 0
-
 ;        mov    [dma_hdd],1
         cmp     [IDEContrRegsBaseAddr], 0
         setnz   [dma_hdd]