[openbeos] Re: is system_time(); an expensive call?
- From: Michael Noisternig <michael.noisternig@xxxxxxxxx>
- To: openbeos@xxxxxxxxxxxxx
- Date: Mon, 19 May 2003 18:02:45 +0200
François Revol wrote:
the video _memory_, not the VGA registers, which sometimes are also
accessible in the same area as the framebuffer, but that really
depends on the chipset. (like old S3 Trio couldn't use memory, whereas newer
could, and even newer ones had a different (supposed to be-cleaner)
register mapping in memory).
That's what I rather wanted to say. IO ports can be memory-mapped if the
hardware utilizes that method.
Once again generally, on x86 the IO space is _not_ a memory space.
Yes
François.
Michael Noisternig
- References:
- [openbeos] Re: is system_time(); an expensive call?
- From: Axel Dörfler
- [openbeos] Re: is system_time(); an expensive call?
- From: Bruno van Dooren
- [openbeos] Re: is system_time(); an expensive call?
- From: François Revol
- [openbeos] Re: is system_time(); an expensive call?
- From: Michael Noisternig
- [openbeos] Re: is system_time(); an expensive call?
- From: François Revol
Other related posts:
- » [openbeos] is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
- » [openbeos] Re: is system_time(); an expensive call?
Once again generally, on x86 the IO space is _not_ a memory space.
François.
- [openbeos] Re: is system_time(); an expensive call?
- From: Axel Dörfler
- [openbeos] Re: is system_time(); an expensive call?
- From: Bruno van Dooren
- [openbeos] Re: is system_time(); an expensive call?
- From: François Revol
- [openbeos] Re: is system_time(); an expensive call?
- From: Michael Noisternig
- [openbeos] Re: is system_time(); an expensive call?
- From: François Revol