Attachment 19663 Details for Bug 34913 – file.diff

[patch] file.diff

file.diff (text/plain), 2.00 KB, created by setantae on 2002-02-13 20:30:02 UTC

(hide)

Description:

Filename:

MIME Type:

Creator: setantae

Created: 2002-02-13 20:30:02 UTC

Size: 2.00 KB

patch

obsolete

>--- doc/en_US.ISO8859-1/books/developers-handbook/dma/chapter.sgml.old	Wed Feb 13 20:06:31 2002
>+++ doc/en_US.ISO8859-1/books/developers-handbook/dma/chapter.sgml	Wed Feb 13 20:21:34 2002
>@@ -137,7 +137,7 @@
> 	which indicates that the counter has reached zero and no more data
> 	will be transferred until the DMA controller is reprogrammed by the
> 	CPU.  This event is also called the Terminal Count (TC). There is only
>-	one EOP signal, and since only DMA channel can be active at any
>+	one EOP signal, and since only one DMA channel can be active at any
> 	instant, the DMA channel that is currently active must be the DMA
> 	channel that just completed its task.</para>
> 	  
>@@ -155,7 +155,7 @@
> 	  
>       <para>It is important to understand that although the CPU always
> 	releases the bus to the DMA when the DMA makes the request, this
>-	action is invisible to both applications and the operating systems,
>+	action is invisible to both applications and the operating system,
> 	except for slight changes in the amount of time the processor takes to
> 	execute instructions when the DMA is active. Subsequently, the
> 	processor must poll the peripheral, poll the registers in the DMA
>@@ -226,7 +226,7 @@
> 	  
>       <note>
> 	<para>A new implementation of the 8237, called the 82374, allows 16
>-	  bits of page register to be specified, allows access to the entire
>+	  bits of page register to be specified and allows access to the entire
> 	  32 bit address space, without the use of bounce buffers.</para>
>       </note>
>     </sect2>
>@@ -372,7 +372,7 @@
> 	      the peripheral requests transfers, they will be granted.  It is
> 	      up to the CPU to move new data into the fixed buffer ahead of
> 	      where the DMA is about to transfer it when doing output
>-	      operations, and read new data out of the buffer behind where the
>+	      operations, and to read new data out of the buffer behind where the
> 	      DMA is writing when doing input operations.</para>
> 		  
> 	    <para>This technique is frequently used on audio devices that have

Actions: View | Diff

Attachments on bug 34913: 19663