MN10300: Implement atomic ops using atomic ops unit

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Implement atomic ops using the atomic ops unit available in the AM34 CPU.  This
allows the equivalent of the LL/SC instructions to be found on other CPUs.

Signed-off-by: Mark Salter <msalter@redhat.com>
Signed-off-by: David Howells <dhowells@redhat.com>

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Mark Salter 2010-10-27 17:28:52 +01:00 • committed by David Howells

parent 278d91c460

commit 4f81ca1353

2 changed files with 351 additions and 47 deletions

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350

arch/mn10300/include/asm/atomic.h

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48

arch/mn10300/include/asm/system.h

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