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The change is currently needed to be able to remove the board configuration scripting from the top level Makefile and replace it by a simple, table driven script. Moving this configuration setting into the "CONFIG_*" name space is also desirable because it is needed if we ever should move forward to a Kconfig driven configuration system. Signed-off-by: Wolfgang Denk <wd@denx.de>
17 lines
782 B
Text
17 lines
782 B
Text
Subject: Re: [PATCH][CFT] bring ARM memory layout in line with the documented behaviour
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From: "Anders Larsen" <alarsen@rea.de>
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Date: Thu, 18 Sep 2003 14:15:21 +0200
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To: Wolfgang Denk <wd@denx.de>
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...
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>I still see references to _armboot_start, _armboot_end_data, and
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>_armboot_end - which role do these play now? Can we get rid of them?
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>
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>How are they (should they be) set in your memory map above?
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_armboot_start contains the value of CONFIG_SYS_TEXT_BASE (0xA07E0000); it seems
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CONFIG_SYS_TEXT_BASE and _armboot_start are both used for the same purpose in
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different parts of the (ARM) code.
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Furthermore, the startup code (cpu/<arm>/start.S) internally uses
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another variable (_TEXT_BASE) with the same content as _armboot_start.
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I agree that this mess should be cleaned up.
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