[uClinux-dev] uClinux-dist-20060803 - Any ARM NoMMU for linux 2.6.17-uc1 ?

[Greg Ungerer]

Hi Nalin,

Nalin Gupta wrote:
> In uClinux-dist (uClinux-dist-20060803.tar.gz),
> 
> I could not find any port for ARM-NOMMU for linux 2.6.x (which is
> linux-2.6.17-uc1).
> I just untarred above package.

You must have looked in the wrong places then :-)


> I tried searching if any ARM nommu port exists as follow, but It seems
> nothing exists.
> 
> $ grep MMU `grep -li arm7 vendors/*/*/config.linux-2.6.* `
> 
> vendors/ESPD/4510B/config.linux-2.6.x:CONFIG_MMU=y
> vendors/GDB/ARMulator/config.linux-2.6.x:# CONFIG_MMU is not set
                                            ^^^^^^^^^^^^^^^^^^^^^^^
This is the one I generally develop on and test.


> vendors/GDB/SkyEye/config.linux-2.6.x:# CONFIG_MMU is not set
                                         ^^^^^^^^^^^^^^^^^^^^^^^
I often test with this one too.


> vendors/Philips/LPC2200/config.linux-2.6.x:CONFIG_MMU=y
> vendors/Philips/LPC2294/config.linux-2.6.x:CONFIG_MMU=y
> vendors/TI/dm270/config.linux-2.6.19.x:CONFIG_MMU=y
> vendors/TI/dm270/config.linux-2.6.x:CONFIG_MMU=y
> 
> I request, if some one could suggest me,
> some relevant patch are still needed for this dist or any refereal
> code to get started.

You don't need anything else, it is all there...

Regards
Greg


> I tried linux-2.6.19.1 by patching it with linux-2.6.19-uc0-big.patch,
> and tried compiling "atmel" platform, but it seems there is some
> inconsistencies. E.g.
> PTRS_PER_PTE is undefined pgtable-nommu.h (it is there in pgtable.h)
> 
> I am really unsure, how to proceed for ARM (ARM7TDMI) for nommu,
> untill I find atleast one  compilable port to get started.
> I have  tried seaching on uclinux-dev mailing list.
> 
> I shall be very grateful and appreciate, if someone could advice on same.
> 
> regards,
> - nalin
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-- 
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Greg Ungerer  --  Chief Software Dude       EMAIL:     gerg at snapgear.com
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