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10.4.7 XNU source code released!
skn
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post Aug 8 2006, 02:20 AM
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Wow!!!! It's available again!
Check it out guys:

http://lists.apple.com/archives/Darwin-dev...g/msg00067.html

Thank you Steve!!!!!!! thumbsup_anim.gif
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Kiko
You Dont Understand Me
 
post Aug 8 2006, 02:21 AM
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WOOT! This is gonna help us heaps with the efi project, thank you steve biggrin.gif
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skn
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post Aug 8 2006, 02:58 AM
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However, according to the message posted on http://kernel.macosforge.org/, the source is not exactly the same found in the 10.4.7 software update:

QUOTE
Source code for the kernel of Mac OS X 10.4.7 for Intel are now available. Several changes were made in order to publish the kernel (xnu) sources. As a result, the kernel built from these sources differs from the one found in the 10.4.7 software update. In order to accommodate these changes, several kernel extensions were also modified and must be downloaded and installed in order to run a kernel built from these sources on Mac OS X 10.4.7 for Intel.
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Marvin
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post Aug 8 2006, 07:16 AM
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They are already optimizing for SSE4, so bad news for AMD users. Just take a look in xnu-792.10.96/osfmk/i386/commpage/ directory files bcopy_sse4.s and bcopy_sse4_64.s. A quick search of new SSE4 only command show that PALIGNR is heavily used.
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kday
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post Aug 8 2006, 07:33 AM
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QUOTE (Marvin @ Aug 8 2006, 02:13 AM) *
They are already optimizing for SSE4, so bad news for AMD users. Just take a look in xnu-792.10.96/osfmk/i386/commpage/ directory files bcopy_sse4.s and bcopy_sse4_64.s. A quick search of new SSE4 only command show that PALIGNR is heavily used.

Ummm, so? The OS will still be backwards-compatible with SSE3 since Apple has several products that don't have SSE4. They aren't going to prevent compatibility for current MacBook/MacBook Pro users. Isn't that logical?
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Marvin
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post Aug 8 2006, 07:52 AM
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QUOTE (kday @ Aug 8 2006, 10:30 AM) *
Ummm, so? The OS will still be backwards-compatible with SSE3 since Apple has several products that don't have SSE4. They aren't going to prevent compatibility for current MacBook/MacBook Pro users. Isn't that logical?

Well that too. Lots of 64-bit preparation in the source too. Just nice to see, that Mac OS X already using the latest instruction set (where available).
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