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#define dcache_flush_page(p) \
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#define dcache_flush_page(p) \
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    dcache_flush_color(PAGE_COLOR((p)))
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    dcache_flush_color(PAGE_COLOR((p)))
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#define dcache_flush_frame(p, f) \
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#define dcache_flush_frame(p, f) \
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    dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f)));
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    dcache_flush_tag(PAGE_COLOR((p)), ADDR2PFN((f)));
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/**
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 * Enumerations to differentiate among different scopes of D-Cache
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 * invalidation.
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 */
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typedef enum {
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    DCACHE_INVL_INVALID,
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    DCACHE_INVL_ALL,
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    DCACHE_INVL_COLOR,
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    DCACHE_INVL_FRAME
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} dcache_invalidate_type_t;
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/**
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 * Number of messages that can be queued in the cpu_arch_t structure at a time.
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 */
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#define DCACHE_MSG_QUEUE_LEN    10
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/** D-cache shootdown message type. */
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typedef struct {
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    dcache_invalidate_type_t type;
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    int color;
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    uintptr_t frame;
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} dcache_shootdown_msg_t;
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extern void dcache_flush(void);
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extern void dcache_flush(void);
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extern void dcache_flush_color(int c);
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extern void dcache_flush_color(int c);
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extern void dcache_flush_tag(int c, pfn_t tag);
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extern void dcache_flush_tag(int c, pfn_t tag);
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#ifdef CONFIG_SMP
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extern void dcache_shootdown_start(dcache_invalidate_type_t type, int color,
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    uintptr_t frame);
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extern void dcache_shootdown_finalize(void);
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extern void dcache_shootdown_ipi_recv(void);
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#else
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#define dcache_shootdown_start(t, c, f)
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#define dcache_shootdown_finalize()
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#define dcache_shootdown_ipi_recv()
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#endif /* CONFIG_SMP */
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#endif
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#endif
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/** @}
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/** @}
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 */
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 */