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| author | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-10-19 18:30:26 +0000 |
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| committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 1998-10-19 18:30:26 +0000 |
| commit | 16a1fd9c33fdf99d1c9ac9b636e6e52bb04cf61e (patch) | |
| tree | e05f8dd4da52f4781a31143dbf75830a2e06d823 /doc/supplements/i960/memmodel.texi | |
| parent | Nearly everything that can be is now automatically generated. (diff) | |
| download | rtems-16a1fd9c33fdf99d1c9ac9b636e6e52bb04cf61e.tar.bz2 | |
Renamed a lot of files.
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| -rw-r--r-- | doc/supplements/i960/memmodel.texi | 55 |
1 files changed, 0 insertions, 55 deletions
diff --git a/doc/supplements/i960/memmodel.texi b/doc/supplements/i960/memmodel.texi deleted file mode 100644 index 1a3383838b..0000000000 --- a/doc/supplements/i960/memmodel.texi +++ /dev/null @@ -1,55 +0,0 @@ -@c -@c COPYRIGHT (c) 1988-1998. -@c On-Line Applications Research Corporation (OAR). -@c All rights reserved. -@c -@c $Id$ -@c - -@ifinfo -@node Memory Model, Memory Model Introduction, Calling Conventions Leaf Procedures, Top -@end ifinfo -@chapter Memory Model -@ifinfo -@menu -* Memory Model Introduction:: -* Memory Model Flat Memory Model:: -@end menu -@end ifinfo - -@ifinfo -@node Memory Model Introduction, Memory Model Flat Memory Model, Memory Model, Memory Model -@end ifinfo -@section Introduction - -A processor may support any combination of memory -models ranging from pure physical addressing to complex demand -paged virtual memory systems. RTEMS supports a flat memory -model which ranges contiguously over the processor's allowable -address space. RTEMS does not support segmentation or virtual -memory of any kind. The appropriate memory model for RTEMS -provided by the targeted processor and related characteristics -of that model are described in this chapter. - -@ifinfo -@node Memory Model Flat Memory Model, Interrupt Processing, Memory Model Introduction, Memory Model -@end ifinfo -@section Flat Memory Model - -The i960CA supports a flat 32-bit address space with -addresses ranging from 0x00000000 to 0xFFFFFFFF (4 gigabytes). -Although the i960CA reserves portions of this address space, -application code and data may be placed in any non-reserved -areas. Each address is represented by a 32-bit value and is -byte addressable. The address may be used to reference a single -byte, half-word (2-bytes), word (4 bytes), double-word (8 -bytes), triple-word (12 bytes) or quad-word (16 bytes). The -i960CA does not support virtual memory or segmentation. - -The i960CA allows the memory space to be partitioned -into sixteen regions which may be configured individually as big -or little endian. RTEMS assumes that the memory regions in -which its code, data, and the RTEMS Workspace reside are -configured as little endian. - - |