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kernel: map_io_mem

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git-svn-id: svn://kolibrios.org@741 a494cfbc-eb01-0410-851d-a64ba20cac60
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Sergey Semyonov (Serge)
2008-02-16 08:46:57 +00:00
parent 2c7785b277
commit a24875d50b
6 changed files with 55 additions and 48 deletions
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22
kernel/trunk/drivers/sound.asm
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@@ -802,24 +802,12 @@ PG_NOCACHE equ 0x018
align 4
proc set_ICH4
stdcall AllocKernelSpace, dword 0x2000
mov edi, eax
mov ebx, [ctrl.codec_mem_base]
and ebx, -4096
stdcall MapPage, edi,ebx,PG_SW+PG_NOCACHE
mov ebx, [ctrl.codec_mem_base]
and ebx, 4095
add ebx, edi
mov [ctrl.codec_mem_base], ebx
add edi, 0x1000
mov ebx, [ctrl.ctrl_mem_base]
and ebx, -4096
stdcall MapPage, edi, ebx,PG_SW+PG_NOCACHE
mov ebx, [ctrl.ctrl_mem_base]
and ebx, 4095
add ebx, edi
mov [ctrl.ctrl_mem_base], ebx
stdcall MapIoMem,[ctrl.codec_mem_base],0x1000,PG_SW+PG_NOCACHE
mov [ctrl.codec_mem_base], eax
stdcall MapIoMem,[ctrl.ctrl_mem_base],0x1000,PG_SW+PG_NOCACHE
mov [ctrl.ctrl_mem_base], eax
mov [ctrl.codec_read16], codec_mem_r16 ;virtual
mov [ctrl.codec_write16], codec_mem_w16 ;virtual