[Top][All Lists]
[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
[Qemu-devel] Re: [Bochs-developers] [PATCH] BIOS delay_ms optimized away
|
From: |
Kevin O'Connor |
|
Subject: |
[Qemu-devel] Re: [Bochs-developers] [PATCH] BIOS delay_ms optimized away with BX_QEMU enabled |
|
Date: |
Sun, 30 Mar 2008 11:41:35 -0400 |
|
User-agent: |
Mutt/1.5.17 (2007-11-01) |
On Thu, Mar 27, 2008 at 10:12:43PM -0400, David Wentzlaff wrote:
> When performing SMP probing, smp_probe() waits for 10ms by executing
> delay_ms(10). When compiling the BIOS for QEMU (BX_QEMU defined),
> delay_ms() simply spins with a 'for' loop.
Hi David,
Do you know why QEMU uses different code for the delay? What's wrong
with using inb(0x61) for both bochs and qemu?
Thanks,
-Kevin