70 lines
2.0 KiB
C
70 lines
2.0 KiB
C
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#ifndef _VM_H
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#define _VM_H 1
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#define _SYSTEM 1
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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 CACHE_SANITY 0
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#define VMSTATS 0
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/* VM behaviour */
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#define MEMPROTECT 0 /* Slab objects not mapped. Access with USE() */
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#define JUNKFREE 0 /* Fill freed pages with junk */
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#include <sys/errno.h>
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#include "sanitycheck.h"
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#include "region.h"
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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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#define PAF_LOWER16MB 0x08
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#define PAF_LOWER1MB 0x10
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#define PAF_ALIGN16K 0x40 /* Aligned to 16k boundary. */
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#define MARK do { if(mark) { printf("%d\n", __LINE__); } } while(0)
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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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/* How noisy are we supposed to be? */
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#define VERBOSE 0
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#define LU_DEBUG 0
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/* Minimum stack region size - 64MB. */
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#define MINSTACKREGION (64*1024*1024)
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/* If so, this level: */
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#define SCL_NONE 0 /* No sanity checks - 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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#define WMF_WRITEFLAGSONLY 0x02 /* Copy physaddr and update flags. */
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#define WMF_FREE 0x04 /* Free pages overwritten. */
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#define WMF_VERIFY 0x08 /* Check pagetable contents. */
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#define MAP_NONE 0xFFFFFFFE
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#define NO_MEM ((phys_clicks) MAP_NONE) /* returned by alloc_mem() with mem is up */
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/* And what is the highest addressable piece of memory? */
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#define VM_DATATOP kernel_boot_info.user_end
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#define VM_STACKTOP kernel_boot_info.user_sp
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#endif
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