Arm Development Studio forum Pipeline Structure

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Pipeline Structure

Suleman over 8 years ago

Hello,

Anyone has ideo how Assembly language can be used to determine the inner Pipeline Structure of ARM Core Platform. Don't know detail of the ARM Core.

Thankyou

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Yasuhiko Koumoto over 8 years ago in reply to Suleman

Hello Sulema Jamil,

I wonder why you must use an assembler to to setup the environment.
if you could use a C language, you needed not to bother such pipeline hazards.
For example, GCC has the following optimization switch to consider pipeline behavior (in the case of arm1176).
-march=armv6zk -mtune=arm1176jzf-s
If you would use the C compiler, the following link would be helpful.
http://www.valvers.com/open-software/raspberry-pi/step01-bare-metal-programming-in-cpt1/
Best regards,
Yasuhiko Koumoto.
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Yasuhiko Koumoto over 8 years ago in reply to Suleman

Hello Sulema Jamil,

I wonder why you must use an assembler to to setup the environment.
if you could use a C language, you needed not to bother such pipeline hazards.
For example, GCC has the following optimization switch to consider pipeline behavior (in the case of arm1176).
-march=armv6zk -mtune=arm1176jzf-s
If you would use the C compiler, the following link would be helpful.
http://www.valvers.com/open-software/raspberry-pi/step01-bare-metal-programming-in-cpt1/
Best regards,
Yasuhiko Koumoto.
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Suleman over 8 years ago in reply to Yasuhiko Koumoto
I am only allowed to use assembler to perform the following tasks:
Pipelining is a heavily used concept to accelerate today’s controllers and processors. Within this project the main controller of a Raspberry Pi B device (ARM1176JZFS) should be investigated in detail. Several assembly programs should be written and executed to check the behavior of the processor on pipeline hazards.
The following subtasks shall be solved:
Literature survey on the published pipeline structure of the given core.
Setting up an environment to get access to the processor core on assembly level
Write assembly programs to provoke pipeline problems
Check the behavior of the core to those programs. Try to find out the specialities of the processor pipeline
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