37 lines
1.2 KiB
C
37 lines
1.2 KiB
C
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#define NO_MEM ((phys_clicks) 0) /* returned by alloc_mem() with mem is up */
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/* Memory flags to pt_allocmap() and alloc_mem(). */
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#define PAF_CLEAR 0x01 /* Clear physical memory. */
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#define PAF_CONTIG 0x02 /* Physically contiguous. */
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#define PAF_ALIGN64K 0x04 /* Aligned to 64k boundary. */
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/* special value for v in pt_allocmap */
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#define AM_AUTO ((u32_t) -1)
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#define CLICK2ABS(v) ((v) << CLICK_SHIFT)
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#define ABS2CLICK(a) ((a) >> CLICK_SHIFT)
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/* Compile in asserts and custom sanity checks at all? */
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#define SANITYCHECKS 0
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#define VMSTATS 1
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/* If so, this level: */
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#define SCL_NONE 0 /* No sanity checks - vm_assert()s only. */
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#define SCL_TOP 1 /* Main loop and other high-level places. */
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#define SCL_FUNCTIONS 2 /* Function entry/exit. */
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#define SCL_DETAIL 3 /* Detailled steps. */
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#define SCL_MAX 3 /* Highest value. */
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/* Type of page allocations. */
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#define VMP_SPARE 0
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#define VMP_PAGETABLE 1
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#define VMP_PAGEDIR 2
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#define VMP_SLAB 3
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#define VMP_CATEGORIES 4
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/* Flags to pt_writemap(). */
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#define WMF_OVERWRITE 0x01 /* Caller knows map may overwrite. */
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/* Special value of 'what' to map_page_region meaning: unknown. */
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#define MAP_NONE 0xFFFFFFFE
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