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Re: what's the virtual memory mechanism used by the G4?
- To: fidel viegas <javaguru_uk at yahoo dot com>
- Subject: Re: [ECOS] what's the virtual memory mechanism used by the G4?
- From: Jesper Skov <jskov at redhat dot com>
- Date: 20 May 2000 20:01:04 +0200
- Cc: ecos <ecos-discuss at sourceware dot cygnus dot com>
- References: <20000520095223.20315.qmail@web1902.mail.yahoo.com>
>>>>> "fidel" == fidel viegas <javaguru_uk@yahoo.com> writes:
fidel> Hi! I just got myself a PowerPC so that I can try eCOS on it,
fidel> but I was wondering if anyone can tell me what's the virtual
fidel> memory mechanism that is uses. Does it use paging? Or does it
fidel> use segmentation? Or it uses both? Another question is
On the 60x it uses BATs, on 8xx it uses TLBs. No paging/segmentation
features per se are used - no tables of any kind are created in
memory for the MMU.
fidel> regarded to the way its cache works, how many ways does it use?
fidel> If you can give me the answer or point a web site where I can
fidel> find this information, I would be grateful. Regards, Fidel
fidel> Viegas.
All ways. The information is in the HAL sources only.
Jesper