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Rev 2071 Rev 2076
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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 */
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 */
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#include <arch/arch.h>
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#include <arch/arch.h>
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#define DCACHE_SIZE		(16*1024)
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#define DCACHE_SIZE		(16 * 1024)
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#define DCACHE_LINE_SIZE	32
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#define DCACHE_LINE_SIZE	32
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#define DCACHE_TAG_SHIFT	2
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.register %g2, #scratch
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.register %g3, #scratch
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/** Flush the whole D-cache. */
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.global dcache_flush
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.global dcache_flush
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dcache_flush:
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dcache_flush:
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	set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1
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	set (DCACHE_SIZE - DCACHE_LINE_SIZE), %g1
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	stxa %g0, [%g1] ASI_DCACHE_TAG
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	stxa %g0, [%g1] ASI_DCACHE_TAG
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0:	membar #Sync
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0:	membar #Sync
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	bnz,pt %xcc, 0b
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	bnz,pt %xcc, 0b
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	stxa %g0, [%g1] ASI_DCACHE_TAG
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	stxa %g0, [%g1] ASI_DCACHE_TAG
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	retl
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	retl
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	membar #Sync
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	membar #Sync
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/** Flush only D-cache lines of one virtual color.
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 *
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 * @param o0	Virtual color to be flushed.
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 */
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.global dcache_flush_color
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dcache_flush_color:
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	mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1
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	set DCACHE_SIZE / 2, %g2
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	sllx %g2, %o0, %g2
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	sub %g2, DCACHE_LINE_SIZE, %g2
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0:	stxa %g0, [%g2] ASI_DCACHE_TAG
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	membar #Sync
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	subcc %g1, 1, %g1
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	bnz,pt %xcc, 0b
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	sub %g2, DCACHE_LINE_SIZE, %g2
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	retl
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	nop
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/** Flush only D-cache lines of one virtual color and one tag.
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 *
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 * @param o0	Virtual color to lookup the tag.
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 * @param o1	Tag of the cachelines to be flushed.
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 */
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.global dcache_flush_tag
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dcache_flush_tag:
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	mov (DCACHE_SIZE / DCACHE_LINE_SIZE) / 2, %g1
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	set DCACHE_SIZE / 2, %g2
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	sllx %g2, %o0, %g2
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	sub %g2, DCACHE_LINE_SIZE, %g2
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0:	ldxa [%g2] ASI_DCACHE_TAG, %g3
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	srlx %g3, DCACHE_TAG_SHIFT, %g3
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	cmp %g3, %o1
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	bnz 1f
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	nop
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	stxa %g0, [%g2] ASI_DCACHE_TAG
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	membar #Sync
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1:	subcc %g1, 1, %g1
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	bnz,pt %xcc, 0b
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	sub %g2, DCACHE_LINE_SIZE, %g2
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	retl
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	nop