
22 Aug
2011
22 Aug
'11
12:23 p.m.
Hi Reinhard,
i do not find a requirement that the cache needs to be off in the vxWorks manuals.
The entry point sysInit(int) intended by Windriver to be called from the vxWorks bootrom, a very small vxWorks system. The routine is called by the go() handler in the bootrom, that clears the cache from start of image to end of usable memory.
The POWERPC implementations only invalidates and disable the cache, the ARM implementations also flush it.
U-boot will be on the save side, if it disables the data cache before calling vxWorks sysInit(int).
Then put this information in the commit log and resend your patch - I don;t see why it should not be merged.
Thanks Detlev
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