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[/] [c0or1k/] [trunk/] [docs/] [memlayout.txt] - Blame information for rev 2

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Line No.	Rev	Author	Line
1	2	drasko
2			`Virtual memory layout on Codezero/ARMv5:`
3			`========================================`
4
5
6
7			`0xFFFF FFFF .---------------. End of virtual memory`
8			`\| Syscall page \|`
9			`0xFFFF F000 \|---------------\|`
10			`\| Reserved \|`
11			`0xFFFF 1000 \|---------------\|`
12			`\| Vector page \|`
13			`0xFFFF 0000 \|---------------\|`
14			`\| Reserved \|`
15			`0xF900 0000 \|---------------\| UTCB area ends`
16			`\| \|`
17			`\| ... \|`
18			`\| --------- \|`
19			`\| UTCB page \|`
20			`\| --------- \|`
21			`\| UTCB page \|`
22			`0xF800 0000 \|---------------\| UTCB area starts`
23			`\| \|`
24			`\| Codezero \|`
25			`\| Microkernel \|`
26			`\| \|`
27			`0xF000 0000 \|---------------\|`
28			`\| \|`
29			`\| MM0 pager \|`
30			`\| \|`
31			`0xE000 0000 \|---------------\|`
32			`\| \|`
33			`\| \|`
34			`\| Reserved \|`
35			`\| \|`
36			`\| \|`
37			`\| ... \|`
38			`0x2000 0000 \|---------------\| User task area ends`
39			`\| \|`
40			`\| \|`
41			`\| \|`
42			`\| Task \|`
43			`\| Address Space \|`
44			`\| \|`
45			`\| \|`
46			`0x1000 0000 \|---------------\| User task area starts`
47			`\| \|`
48			`\| \|`
49			`\| Reserved \|`
50			`\| \|`
51			`\| \|`
52			`0x0 '---------------' Start of virtual memory`
53
54
55
56
57			`User task address space layout on Codezero/ARMv5:`
58			`=================================================`
59
60			`0xF8xx x000 .---------------.`
61			`\| Task's UTCB \|`
62			`0xF8xx x000 '---------------'`
63
64
65			`0x2000 0000 .---------------. End of user task address space`
66			`\|4KB Environment\|`
67			`0x1FFF F000 \|---------------\|`
68			`\| 16KB Stack \|`
69			`\| \| \|`
70			`\| v \|`
71			`\| \|`
72			`0x1FFE F000 \|---------------\|`
73			`\| \|`
74			`\| Memory \|`
75			`\| available \|`
76			`\| for mmap() \|`
77			`\| \|`
78			`0x1xxx x000 \|---------------\|`
79			`\| BSS \|`
80			`\|---------------\|`
81			`\| Data \|`
82			`\|---------------\|`
83			`\| Text \|`
84			`0x1000 0000 '---------------' Start of user task address space`
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