Re: [PATCH 6/16] define Hit_Invalidate_I to Index_Invalidate_I for loongson2

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Sorry, no english version of datasheet yet.

Fuxin Zhang wrote:
Yes, Loongson2 has no Hit_invalidate_I in fact. And although it has 4-way icache, one Index_invalidate_I will invalidate all 4 ways of the same set.

The usermanual and datasheet can be downloaded from:

http://www.lemote.com/upfiles/godson2e-user-manual-V0.6.pdf


Ralf Baechle wrote:
On Sun, Apr 15, 2007 at 11:25:55PM +0800, tiansm@xxxxxxxxxx wrote:

+#if defined(CONFIG_CPU_LOONGSON2)
+#define Hit_Invalidate_I        0x00

This #ifdef means Index_Invalidate_I and Hit_Invalidate_I will both be
defined as zero, is that really correct?

(This is the point where I would really like to have a CPU manual ...)

+#else
 #define Hit_Invalidate_I    0x10
+#endif

  Ralf










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