forked from KolibriOS/kolibrios
fix pci irq's
git-svn-id: svn://kolibrios.org@2015 a494cfbc-eb01-0410-851d-a64ba20cac60
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@ -652,3 +652,47 @@ sys_pcibios:
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.return_a:
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mov dword[esp + 32], eax
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ret
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align 4
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pci_irq_fixup:
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push ebp
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stdcall load_file, dev_data_path
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test eax, eax
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jz .fail
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push eax
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mov esi, eax
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lea edi, [eax+ebx]
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.iterate:
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cmp esi, edi
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jae .done
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mov eax, [esi]
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cmp eax, -1
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je .done
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movzx ebx, al
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movzx ebp, ah
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stdcall pci_read32, ebp, ebx, 0
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cmp eax, [esi+4]
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jne .skip
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mov eax, [esi+8]
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stdcall pci_write8, ebp, ebx, 0x3C, eax
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.skip:
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add esi, 16
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jmp .iterate
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.done:
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call kernel_free ;and pop file base from stack
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.fail:
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pop ebp
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ret
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@ -114,6 +114,7 @@ vmode db '/sys/drivers/VMODE.MDR',0
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vrr_m db 'VRR_M',0
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kernel_file db 'KERNEL MNT'
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dev_data_path db '/RD/1/DRIVERS/DEVICES.DAT',0
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align 4
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@ -334,7 +334,37 @@ proc START stdcall, state:dword
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mov esi, msgDone
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call SysMsgBoardStr
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stdcall AttachIntHandler, 17, ac97_irq, dword 0
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if IRQ_REMAP
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pushf
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cli
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mov ebx, [ctrl.int_line]
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in al, 0xA1
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mov ah, al
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in al, 0x21
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test ebx, ebx
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jz .skip
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bts ax, bx ;mask old line
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.skip
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bts ax, IRQ_LINE ;mask new ine
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out 0x21, al
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mov al, ah
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out 0xA1, al
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;remap IRQ
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stdcall PciWrite8, 0, 0xF8, 0x61, IRQ_LINE
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mov dx, 0x4d0 ;8259 ELCR1
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in al, dx
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bts ax, IRQ_LINE
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out dx, al ;set level-triggered mode
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mov [ctrl.int_line], IRQ_LINE
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popf
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mov esi, msgRemap
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call SysMsgBoardStr
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end if
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mov ebx, [ctrl.int_line]
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stdcall AttachIntHandler, ebx, ac97_irq, dword 0
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.reg:
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stdcall RegService, sz_sound_srv, service_proc
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ret
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@ -511,7 +541,7 @@ proc ac97_irq
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stdcall [ctrl.user_callback], ebx
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.done:
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pop eax
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and eax, 0x40
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; and eax, 0x40
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mov edx, CTRL_STAT
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call [ctrl.ctrl_write32]
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ret
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@ -306,6 +306,7 @@ mouse._.left_button_release_handler: ;/////////////////////////////////////////
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call sys_window_end_moving_handler
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.exit:
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and [mouse.active_sys_window.action], 0
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ret
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align 4
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@ -563,7 +563,7 @@ high_code:
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mov edi, irq_tab
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xor eax, eax
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mov ecx, 16
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mov ecx, IRQ_RESERVE
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rep stosd
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;Set base of graphic segment to linear address of LFB
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@ -613,6 +613,8 @@ high_code:
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; Try to Initialize APIC
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call APIC_init
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call pci_irq_fixup
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; Enable timer IRQ (IRQ0) and hard drives IRQs (IRQ14, IRQ15)
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; they are used: when partitions are scanned, hd_read relies on timer
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call unmask_timer
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