blob: 751e7a819450e1e61b8132d4c151c37233043721 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
|
#ifndef _VM_H
#define _VM_H 1
#define _SYSTEM 1
/* Compile in asserts and custom sanity checks at all? */
#define SANITYCHECKS 0
#define CACHE_SANITY 0
#define VMSTATS 0
/* VM behaviour */
#define MEMPROTECT 0 /* Slab objects not mapped. Access with USE() */
#define JUNKFREE 0 /* Fill freed pages with junk */
#include <sys/errno.h>
#include "sanitycheck.h"
#include "region.h"
/* Memory flags to pt_allocmap() and alloc_mem(). */
#define PAF_CLEAR 0x01 /* Clear physical memory. */
#define PAF_CONTIG 0x02 /* Physically contiguous. */
#define PAF_ALIGN64K 0x04 /* Aligned to 64k boundary. */
#define PAF_LOWER16MB 0x08
#define PAF_LOWER1MB 0x10
#define PAF_ALIGN16K 0x40 /* Aligned to 16k boundary. */
#define MARK do { if(mark) { printf("%d\n", __LINE__); } } while(0)
/* special value for v in pt_allocmap */
#define AM_AUTO ((u32_t) -1)
/* How noisy are we supposed to be? */
#define VERBOSE 0
#define LU_DEBUG 0
/* Minimum stack region size - 64MB. */
#define MINSTACKREGION (64*1024*1024)
/* If so, this level: */
#define SCL_NONE 0 /* No sanity checks - assert()s only. */
#define SCL_TOP 1 /* Main loop and other high-level places. */
#define SCL_FUNCTIONS 2 /* Function entry/exit. */
#define SCL_DETAIL 3 /* Detailled steps. */
#define SCL_MAX 3 /* Highest value. */
/* Type of page allocations. */
#define VMP_SPARE 0
#define VMP_PAGETABLE 1
#define VMP_PAGEDIR 2
#define VMP_SLAB 3
#define VMP_CATEGORIES 4
/* Flags to pt_writemap(). */
#define WMF_OVERWRITE 0x01 /* Caller knows map may overwrite. */
#define WMF_WRITEFLAGSONLY 0x02 /* Copy physaddr and update flags. */
#define WMF_FREE 0x04 /* Free pages overwritten. */
#define WMF_VERIFY 0x08 /* Check pagetable contents. */
#define MAP_NONE 0xFFFFFFFE
#define NO_MEM ((phys_clicks) MAP_NONE) /* returned by alloc_mem() with mem is up */
/* And what is the highest addressable piece of memory? */
#define VM_DATATOP kernel_boot_info.user_end
#define VM_STACKTOP kernel_boot_info.user_sp
/* Live update will work only with magic instrumentation. Live update requires
* strict separation of regions within the process to succeed. Therefore,
* apply this strict separation only if magic instrumentation is used.
* Otherwise, do not place such limitations on processes.
*/
#ifdef _MINIX_MAGIC
#define VM_MMAPTOP (VM_STACKTOP-DEFAULT_STACK_LIMIT)
#define VM_MMAPBASE (VM_MMAPTOP/2)
#else
#define VM_MMAPTOP VM_DATATOP
#define VM_MMAPBASE VM_PAGE_SIZE
#endif
extern char _end;
#define VM_OWN_HEAPSTART ((vir_bytes) (&_end))
#define VM_OWN_HEAPBASE roundup(VM_OWN_HEAPSTART, VM_PAGE_SIZE)
#define VM_OWN_MMAPBASE (VM_OWN_HEAPBASE+1024*1024*1024)
#define VM_OWN_MMAPTOP (VM_OWN_MMAPBASE+100 * 1024 * 1024)
#endif
|
