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 */
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 */
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#ifndef KERN_sparc64_FRAME_H_
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#ifndef KERN_sparc64_FRAME_H_
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#define KERN_sparc64_FRAME_H_
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#define KERN_sparc64_FRAME_H_
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/*
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 * Page size supported by the MMU.
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 * For 8K there is the nasty illegal virtual aliasing problem.
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 * Therefore, the kernel uses 8K only internally on the TLB and TSB levels.
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 */
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#define MMU_FRAME_WIDTH     13  /* 8K */
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#define MMU_FRAME_SIZE      (1 << MMU_FRAME_WIDTH)
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/*
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 * Page size exported to the generic memory management subsystems.
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 * This page size is not directly supported by the MMU, but we can emulate
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 * each 16K page with a pair of adjacent 8K pages.
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 */
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#define FRAME_WIDTH     14  /* 16K */
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#define FRAME_SIZE      (1 << FRAME_WIDTH)
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#ifdef KERNEL
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#if defined (SUN4U)
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#ifndef __ASM__
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#include <arch/types.h>
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#include <arch/mm/sun4u/frame.h>
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union frame_address {
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    uintptr_t address;
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    struct {
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#if defined (US)
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        unsigned : 23;
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        uint64_t pfn : 28;      /**< Physical Frame Number. */
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#elif defined (US3)
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#elif defined (SUN4V)
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        unsigned : 21;
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        uint64_t pfn : 30;      /**< Physical Frame Number. */
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#endif
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        unsigned offset : 13;       /**< Offset. */
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    } __attribute__ ((packed));
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};
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typedef union frame_address frame_address_t;
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extern uintptr_t last_frame;
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#include <arch/mm/sun4v/frame.h>
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extern void frame_arch_init(void);
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#define physmem_print()
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#endif
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#endif
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#endif
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#endif
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#endif
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/** @}
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/** @}