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Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE

From: Kevin O'Connor
Subject: Re: [Qemu-devel] PC machine types switched to SeaBIOS/gPXE
Date: Tue, 3 Nov 2009 01:02:23 -0500
User-agent: Mutt/1.5.19 (2009-01-05)

On Tue, Nov 03, 2009 at 07:01:52AM +0200, Avi Kivity wrote:
> That works too, but if firmware config can use rep/ins, that's one less  
> interface we have to add.

The following patch to seabios seems to work.  I'm not sure if there
are any special implications to qemu.


--- a/src/paravirt.c
+++ b/src/paravirt.c
@@ -23,8 +23,7 @@ qemu_cfg_select(u16 f)
 static void
 qemu_cfg_read(u8 *buf, int len)
-    while (len--)
-        *(buf++) = inb(PORT_QEMU_CFG_DATA);
+    insb(PORT_QEMU_CFG_DATA, buf, len);
 static void

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