[RTEMS Project] #3015: Add support for IBM PPC 750 chip

RTEMS trac trac at rtems.org
Wed May 17 16:33:35 UTC 2017


#3015: Add support for IBM PPC 750 chip
--------------------------+------------------------------
 Reporter:  phongvanpham  |       Owner:  joel.sherrill@…
     Type:  task          |      Status:  new
 Priority:  normal        |   Milestone:  4.12.0
Component:  libcpu        |     Version:  4.12
 Severity:  normal        |  Resolution:
 Keywords:                |
--------------------------+------------------------------

Comment (by phongvanpham):

 Replying to [comment:4 Joel Sherrill]:
 > I did a quick google and turned up this:
 >
 > https://people.cs.clemson.edu/~mark/ppc750.pdf
 >
 > Which has 740 and 750 in the title. It lists 0x1700 as Thermal
 Management and doesn't appear to distinguish 740 from 750.
 >
 > One odd thought is whether there is an MPC740 which is different from
 the PPC740. Clearly from the "About This Book" section, they are nearly
 identical:
 >
 > {{{
 > The primary objective of this user’s manual is to define the
 functionality of the PowerPC
 > 750™ and PowerPC 740™ microprocessors for use by software and hardware
 developers.
 > Although the emphasis of this manual is upon the 750, unless otherwise
 noted, all
 > information here applies to 740.
 > }}}
 >
 > Maybe that reference helps.
 >

 Yes, that reference does help.  Page 182 (where thermal exception
 management is described) states it is "750-specific".

--
Ticket URL: <http://devel.rtems.org/ticket/3015#comment:5>
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