summaryrefslogtreecommitdiff
path: root/kernel/old/include/.vm.h.swp
blob: eb334b9936bb946276f366967f3d39cfdf37d633 (plain)
ofshex dumpascii
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1a20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1a40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1a60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1a80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1aa0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ac0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ae0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1b00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1b20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1b40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1b60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1b80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ba0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1bc0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1be0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1c00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1c20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1c40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1c60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1c80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ca0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1cc0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ce0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1d00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1d20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1d40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1d60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1d80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1da0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1dc0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1de0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1e00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1e20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1e40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1e60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1e80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ea0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ec0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1ee0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1f00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1f20 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1f40 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1f60 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1f80 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1fa0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1fc0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
1fe0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
2000 61 64 00 00 17 00 00 00 03 02 00 00 00 10 00 00 74 00 00 00 00 00 00 00 fc 0f 00 00 ee 0f 00 00 ad..............t...............
2020 eb 0f 00 00 c8 0f 00 00 c5 0f 00 00 96 0f 00 00 93 0f 00 00 92 0f 00 00 84 0f 00 00 76 0f 00 00 ............................v...
2040 75 0f 00 00 63 0f 00 00 50 0f 00 00 4f 0f 00 00 3c 0f 00 00 3b 0f 00 00 38 0f 00 00 1d 0f 00 00 u...c...P...O...<...;...8.......
2060 1a 0f 00 00 d1 0e 00 00 b4 0e 00 00 b1 0e 00 00 6b 0e 00 00 28 0e 00 00 df 0d 00 00 c8 0d 00 00 ................k...(...........
2080 c5 0d 00 00 c4 0d 00 00 c1 0d 00 00 9a 0d 00 00 97 0d 00 00 50 0d 00 00 4d 0d 00 00 27 0d 00 00 ....................P...M...'...
20a0 e9 0c 00 00 b5 0c 00 00 7e 0c 00 00 43 0c 00 00 05 0c 00 00 df 0b 00 00 a4 0b 00 00 a1 0b 00 00 ........~...C...................
20c0 6c 0b 00 00 69 0b 00 00 56 0b 00 00 3d 0b 00 00 0e 0b 00 00 df 0a 00 00 c7 0a 00 00 c4 0a 00 00 l...i...V...=...................
20e0 b1 0a 00 00 93 0a 00 00 5f 0a 00 00 42 0a 00 00 21 0a 00 00 00 0a 00 00 e0 09 00 00 c3 09 00 00 ........_...B...!...............
2100 a1 09 00 00 9e 09 00 00 9d 09 00 00 9a 09 00 00 6f 09 00 00 6c 09 00 00 6b 09 00 00 51 09 00 00 ................o...l...k...Q...
2120 2f 09 00 00 0d 09 00 00 eb 08 00 00 ea 08 00 00 a6 08 00 00 6d 08 00 00 54 08 00 00 16 08 00 00 /...................m...T.......
2140 fa 07 00 00 de 07 00 00 dd 07 00 00 ba 07 00 00 79 07 00 00 30 07 00 00 f8 06 00 00 a9 06 00 00 ................y...0...........
2160 a8 06 00 00 85 06 00 00 63 06 00 00 33 06 00 00 32 06 00 00 fb 05 00 00 df 05 00 00 c3 05 00 00 ........c...3...2...............
2180 c2 05 00 00 9c 05 00 00 82 05 00 00 68 05 00 00 4b 05 00 00 4a 05 00 00 14 05 00 00 fa 04 00 00 ............h...K...J...........
21a0 d1 04 00 00 a8 04 00 00 a7 04 00 00 82 04 00 00 60 04 00 00 3e 04 00 00 09 04 00 00 df 03 00 00 ................`...>...........
21c0 de 03 00 00 bb 03 00 00 8a 03 00 00 58 03 00 00 18 03 00 00 da 02 00 00 a1 02 00 00 73 02 00 00 ............X...............s...
21e0 3c 02 00 00 03 02 00 00 09 02 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............................
2200 00 00 00 23 64 65 66 69 6e 65 20 50 44 45 5f 41 56 4c 31 20 20 20 20 20 20 20 30 78 30 30 30 30 ...#define.PDE_AVL1.......0x0000
2220 30 30 34 30 09 2f 2f 20 69 67 6e 6f 72 65 64 20 28 34 4b 42 20 70 61 67 65 73 29 00 23 64 65 66 0040.//.ignored.(4KB.pages).#def
2240 69 6e 65 20 50 44 45 5f 44 20 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 34 30 09 2f 2f ine.PDE_D..........0x00000040.//
2260 20 64 69 72 74 79 20 28 34 4d 42 20 70 61 67 65 73 29 00 23 64 65 66 69 6e 65 20 50 44 45 5f 41 .dirty.(4MB.pages).#define.PDE_A
2280 20 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 32 30 09 2f 2f 20 61 63 63 65 73 73 65 64 ..........0x00000020.//.accessed
22a0 00 23 64 65 66 69 6e 65 20 50 44 45 5f 50 43 44 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 .#define.PDE_PCD........0x000000
22c0 31 30 09 2f 2f 20 63 61 63 68 65 3a 20 31 20 3d 20 64 69 73 61 62 6c 65 64 00 23 64 65 66 69 6e 10.//.cache:.1.=.disabled.#defin
22e0 65 20 50 44 45 5f 50 57 54 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 38 09 2f 2f 20 63 e.PDE_PWT........0x00000008.//.c
2300 61 63 68 65 3a 20 31 20 3d 20 77 72 69 74 65 2d 74 68 72 6f 75 67 68 00 23 64 65 66 69 6e 65 20 ache:.1.=.write-through.#define.
2320 50 44 45 5f 55 53 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 34 09 2f 2f 20 31 20 3d PDE_US.........0x00000004.//.1.=
2340 20 75 73 65 72 20 61 6e 64 20 73 79 73 74 65 6d 20 75 73 61 62 6c 65 00 23 64 65 66 69 6e 65 20 .user.and.system.usable.#define.
2360 50 44 45 5f 52 57 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 32 09 2f 2f 20 31 20 3d PDE_RW.........0x00000002.//.1.=
2380 20 77 72 69 74 61 62 6c 65 00 23 64 65 66 69 6e 65 20 50 44 45 5f 50 20 20 20 20 20 20 20 20 20 .writable.#define.PDE_P.........
23a0 20 30 78 30 30 30 30 30 30 30 31 09 2f 2f 20 31 20 3d 20 70 72 65 73 65 6e 74 00 2f 2f 20 70 61 .0x00000001.//.1.=.present.//.pa
23c0 67 65 20 64 69 72 65 63 74 6f 72 79 20 65 6e 74 72 79 20 62 69 74 20 66 69 65 6c 64 73 00 00 23 ge.directory.entry.bit.fields..#
23e0 64 65 66 69 6e 65 20 50 47 44 4f 57 4e 28 61 29 20 20 20 20 20 20 28 28 61 29 20 26 20 53 5a 5f define.PGDOWN(a)......((a).&.SZ_
2400 50 47 5f 4d 41 53 4b 29 00 23 64 65 66 69 6e 65 20 50 47 55 50 28 61 29 20 20 20 20 20 20 20 20 PG_MASK).#define.PGUP(a)........
2420 28 28 28 61 29 2b 53 5a 5f 50 47 5f 4d 31 29 20 26 20 53 5a 5f 50 47 5f 4d 41 53 4b 29 00 23 64 (((a)+SZ_PG_M1).&.SZ_PG_MASK).#d
2440 65 66 69 6e 65 20 53 5a 5f 50 47 5f 4d 41 53 4b 20 20 20 20 20 4d 4f 44 34 4b 5f 4d 41 53 4b 00 efine.SZ_PG_MASK.....MOD4K_MASK.
2460 23 64 65 66 69 6e 65 20 53 5a 5f 50 47 5f 4d 31 20 20 20 20 20 20 20 4d 4f 44 34 4b 5f 42 49 54 #define.SZ_PG_M1.......MOD4K_BIT
2480 53 00 2f 2f 20 70 61 67 65 2d 73 69 7a 65 20 61 64 64 72 65 73 73 20 72 6f 75 6e 64 69 6e 67 20 S.//.page-size.address.rounding.
24a0 6d 61 63 72 6f 73 00 00 23 64 65 66 69 6e 65 20 50 32 56 4e 43 28 61 29 20 20 20 20 20 20 20 28 macros..#define.P2VNC(a).......(
24c0 28 61 29 20 2b 20 4b 45 52 4e 5f 42 41 53 45 29 00 23 64 65 66 69 6e 65 20 56 32 50 4e 43 28 61 (a).+.KERN_BASE).#define.V2PNC(a
24e0 29 20 20 20 20 20 20 20 28 28 61 29 20 2d 20 4b 45 52 4e 5f 42 41 53 45 29 00 2f 2f 20 28 75 73 ).......((a).-.KERN_BASE).//.(us
2500 61 62 6c 65 20 66 72 6f 6d 20 61 6e 79 77 68 65 72 65 29 00 2f 2f 20 70 68 79 73 69 63 61 6c 2f able.from.anywhere).//.physical/
2520 76 69 72 74 75 61 6c 20 63 6f 6e 76 65 72 74 65 72 73 20 74 68 61 74 20 64 6f 6e 27 74 20 75 73 virtual.converters.that.don't.us
2540 65 20 63 61 73 74 69 6e 67 00 00 23 64 65 66 69 6e 65 20 50 49 58 32 49 5f 4d 41 53 4b 20 20 20 e.casting..#define.PIX2I_MASK...
2560 20 20 30 78 33 66 66 00 23 64 65 66 69 6e 65 20 50 54 49 58 5f 53 48 49 46 54 20 20 20 20 20 31 ..0x3ff.#define.PTIX_SHIFT.....1
2580 32 00 23 64 65 66 69 6e 65 20 50 44 49 58 5f 53 48 49 46 54 20 20 20 20 20 32 32 00 2f 2f 20 69 2.#define.PDIX_SHIFT.....22.//.i
25a0 6e 64 65 78 20 66 69 65 6c 64 20 73 68 69 66 74 20 63 6f 75 6e 74 73 20 61 6e 64 20 6d 61 73 6b ndex.field.shift.counts.and.mask
25c0 73 00 00 23 64 65 66 69 6e 65 20 4e 5f 50 54 45 20 20 20 20 20 20 20 20 20 20 31 30 32 34 00 23 s..#define.N_PTE..........1024.#
25e0 64 65 66 69 6e 65 20 4e 5f 50 44 45 20 20 20 20 20 20 20 20 20 20 31 30 32 34 00 2f 2f 20 6e 75 define.N_PDE..........1024.//.nu
2600 6d 62 65 72 20 6f 66 20 65 6e 74 72 69 65 73 20 69 6e 20 61 20 70 61 67 65 20 64 69 72 65 63 74 mber.of.entries.in.a.page.direct
2620 6f 72 79 20 6f 72 20 70 61 67 65 20 74 61 62 6c 65 00 00 23 64 65 66 69 6e 65 20 4b 45 52 4e 5f ory.or.page.table..#define.KERN_
2640 56 4c 49 4e 4b 20 20 20 20 20 28 4b 45 52 4e 5f 42 41 53 45 20 2b 20 4b 45 52 4e 5f 50 4c 49 4e VLINK.....(KERN_BASE.+.KERN_PLIN
2660 4b 29 00 23 64 65 66 69 6e 65 20 4b 45 52 4e 5f 50 4c 49 4e 4b 20 20 20 20 20 30 78 30 30 30 31 K).#define.KERN_PLINK.....0x0001
2680 30 30 30 30 00 2f 2f 20 77 68 65 72 65 20 74 68 65 20 6b 65 72 6e 65 6c 20 61 63 74 75 61 6c 6c 0000.//.where.the.kernel.actuall
26a0 79 20 6c 69 76 65 73 00 00 23 64 65 66 69 6e 65 20 50 48 59 53 5f 54 4f 50 20 20 20 20 20 20 20 y.lives..#define.PHYS_TOP.......
26c0 30 78 33 66 66 66 66 66 66 66 20 20 20 20 2f 2f 20 6c 61 73 74 20 75 73 61 62 6c 65 20 70 68 79 0x3fffffff....//.last.usable.phy
26e0 73 69 63 61 6c 20 61 64 64 72 65 73 73 20 28 31 47 42 20 2d 20 31 29 00 23 64 65 66 69 6e 65 20 sical.address.(1GB.-.1).#define.
2700 44 45 56 5f 42 41 53 45 20 20 20 20 20 20 20 30 78 66 65 30 30 30 30 30 30 20 20 20 20 2f 2f 20 DEV_BASE.......0xfe000000....//.
2720 22 64 65 76 69 63 65 22 20 6d 65 6d 6f 72 79 00 23 64 65 66 69 6e 65 20 45 58 54 5f 42 41 53 45 "device".memory.#define.EXT_BASE
2740 20 20 20 20 20 20 20 30 78 30 30 31 30 30 30 30 30 20 20 20 20 2f 2f 20 73 74 61 72 74 20 6f 66 .......0x00100000....//.start.of
2760 20 22 65 78 74 65 6e 64 65 64 22 20 6d 65 6d 6f 72 79 20 28 31 4d 42 29 00 23 64 65 66 69 6e 65 ."extended".memory.(1MB).#define
2780 20 4b 45 52 4e 5f 42 41 53 45 20 20 20 20 20 20 30 78 38 30 30 30 30 30 30 30 20 20 20 20 2f 2f .KERN_BASE......0x80000000....//
27a0 20 73 74 61 72 74 20 6f 66 20 22 6b 65 72 6e 65 6c 22 20 6d 65 6d 6f 72 79 00 2f 2f 20 73 6f 6d .start.of."kernel".memory.//.som
27c0 65 20 69 6d 70 6f 72 74 61 6e 74 20 6d 65 6d 6f 72 79 20 61 64 64 72 65 73 73 65 73 00 00 23 64 e.important.memory.addresses..#d
27e0 65 66 69 6e 65 20 55 53 45 52 5f 53 54 4b 5f 50 54 45 32 20 20 31 30 32 33 00 23 64 65 66 69 6e efine.USER_STK_PTE2..1023.#defin
2800 65 20 55 53 45 52 5f 53 54 4b 5f 50 54 45 31 20 20 31 30 32 32 00 2f 2f 20 74 68 65 20 73 74 61 e.USER_STK_PTE1..1022.//.the.sta
2820 63 6b 20 6f 63 63 75 70 69 65 73 20 74 68 65 20 6c 61 73 74 20 74 77 6f 20 70 61 67 65 73 20 6f ck.occupies.the.last.two.pages.o
2840 66 20 74 68 65 20 61 64 64 72 65 73 73 20 73 70 61 63 65 00 23 64 65 66 69 6e 65 20 55 53 45 52 f.the.address.space.#define.USER
2860 5f 50 44 45 20 20 20 20 20 20 20 30 00 2f 2f 20 75 73 65 72 20 61 64 64 72 65 73 73 20 73 70 61 _PDE.......0.//.user.address.spa
2880 63 65 20 69 73 20 74 68 65 20 66 69 72 73 74 20 34 4d 42 20 6f 66 20 76 69 72 74 75 61 6c 20 6d ce.is.the.first.4MB.of.virtual.m
28a0 65 6d 6f 72 79 00 2f 2f 20 68 6f 77 20 74 6f 20 66 69 6e 64 20 74 68 65 20 61 64 64 72 65 73 73 emory.//.how.to.find.the.address
28c0 65 73 20 6f 66 20 74 68 65 20 73 74 61 63 6b 20 70 61 67 65 73 20 69 6e 20 74 68 65 20 56 4d 20 es.of.the.stack.pages.in.the.VM.
28e0 68 69 65 72 61 72 63 68 79 00 00 23 64 65 66 69 6e 65 20 55 53 45 52 5f 53 54 4b 5f 45 4e 44 20 hierarchy..#define.USER_STK_END.
2900 20 20 30 78 30 30 34 30 30 30 30 30 00 23 64 65 66 69 6e 65 20 55 53 45 52 5f 53 54 41 43 4b 20 ..0x00400000.#define.USER_STACK.
2920 20 20 20 20 30 78 30 30 33 66 65 30 30 30 00 23 64 65 66 69 6e 65 20 55 53 45 52 5f 54 45 58 54 ....0x003fe000.#define.USER_TEXT
2940 20 20 20 20 20 20 30 78 30 30 30 30 31 30 30 30 00 2f 2f 20 75 73 65 72 20 76 69 72 74 75 61 6c ......0x00001000.//.user.virtual
2960 20 61 64 64 72 65 73 73 65 73 00 00 2a 2f 00 2a 2a 20 47 65 6e 65 72 61 6c 20 28 43 20 61 6e 64 .addresses..*/.**.General.(C.and
2980 2f 6f 72 20 61 73 73 65 6d 62 6c 79 29 20 64 65 66 69 6e 69 74 69 6f 6e 73 00 2f 2a 00 00 2a 2f /or.assembly).definitions./*..*/
29a0 00 2a 2a 20 20 20 31 30 32 32 20 2d 20 31 30 32 33 20 20 20 20 20 73 74 61 63 6b 20 66 72 61 6d .**...1022.-.1023.....stack.fram
29c0 65 73 00 2a 2a 20 20 20 4e 2b 64 2b 62 2b 31 20 2d 20 31 30 32 31 20 20 69 6e 76 61 6c 69 64 00 es.**...N+d+b+1.-.1021..invalid.
29e0 2a 2a 20 20 20 4e 2b 64 2b 31 20 2d 20 4e 2b 64 2b 62 20 20 20 62 73 73 20 66 72 61 6d 65 73 00 **...N+d+1.-.N+d+b...bss.frames.
2a00 2a 2a 20 20 20 4e 2b 31 20 2d 20 4e 2b 64 20 20 20 20 20 20 20 64 61 74 61 20 66 72 61 6d 65 73 **...N+1.-.N+d.......data.frames
2a20 00 2a 2a 20 20 20 31 20 2d 20 4e 20 20 20 20 20 20 20 20 20 20 20 74 65 78 74 20 66 72 61 6d 65 .**...1.-.N...........text.frame
2a40 73 00 2a 2a 20 20 20 30 20 20 20 20 20 20 20 20 20 20 20 20 20 20 20 69 6e 76 61 6c 69 64 00 2a s.**...0...............invalid.*
2a60 2a 20 20 20 3d 3d 3d 3d 3d 3d 3d 3d 20 20 20 20 20 20 20 20 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d *...========........============
2a80 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 00 2a 2a 20 20 20 45 6e 74 72 69 65 73 20 ==================.**...Entries.
2aa0 20 20 20 20 20 20 20 20 43 6f 6e 74 65 6e 74 73 00 2a 2a 20 50 61 67 65 20 6d 61 70 20 74 61 62 ........Contents.**.Page.map.tab
2ac0 6c 65 3a 00 2a 2a 00 2a 2a 20 20 20 31 20 2d 20 31 30 32 33 20 20 20 69 6e 76 61 6c 69 64 00 2a le:.**.**...1.-.1023...invalid.*
2ae0 2a 20 20 20 30 20 20 20 20 20 20 20 20 20 20 70 6f 69 6e 74 20 74 6f 20 50 4d 54 20 66 6f 72 20 *...0..........point.to.PMT.for.
2b00 61 64 64 72 65 73 73 20 73 70 61 63 65 00 2a 2a 20 20 20 3d 3d 3d 3d 3d 3d 3d 3d 20 20 20 3d 3d address.space.**...========...==
2b20 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 00 2a 2a 20 ============================.**.
2b40 20 20 45 6e 74 72 69 65 73 20 20 20 20 43 6f 6e 74 65 6e 74 73 00 2a 2a 20 50 61 67 65 20 64 69 ..Entries....Contents.**.Page.di
2b60 72 65 63 74 6f 72 79 3a 00 2a 2a 00 2a 2a 20 54 68 69 73 20 67 69 76 65 73 20 75 73 20 74 68 65 rectory:.**.**.This.gives.us.the
2b80 20 66 6f 6c 6c 6f 77 69 6e 67 20 70 61 67 65 20 74 61 62 6c 65 20 73 74 72 75 63 74 75 72 65 3a .following.page.table.structure:
2ba0 00 2a 2a 00 2a 2a 20 20 30 78 30 30 33 66 65 30 30 30 20 2d 20 30 78 30 30 33 66 66 66 66 66 20 .**.**..0x003fe000.-.0x003fffff.
2bc0 20 73 74 61 63 6b 20 6f 63 63 75 70 69 65 73 20 6c 61 73 74 20 74 77 6f 20 70 61 67 65 73 00 2a .stack.occupies.last.two.pages.*
2be0 2a 20 20 30 78 30 30 30 2e 2e 30 30 30 20 2d 20 30 78 30 30 33 66 64 66 66 66 20 20 75 6e 75 73 *..0x000..000.-.0x003fdfff..unus
2c00 61 62 6c 65 00 2a 2a 20 20 30 78 30 30 30 2e 2e 30 30 30 20 2d 20 30 78 30 30 30 2e 2e 66 66 66 able.**..0x000..000.-.0x000..fff
2c20 20 20 62 73 73 20 6f 63 63 75 70 69 65 73 20 70 61 67 65 73 20 4e 2b 64 2b 31 20 2d 20 4e 2b 64 ..bss.occupies.pages.N+d+1.-.N+d
2c40 2b 62 00 2a 2a 20 20 30 78 30 30 30 2e 2e 30 30 30 20 2d 20 30 78 30 30 30 2e 2e 66 66 66 20 20 +b.**..0x000..000.-.0x000..fff..
2c60 64 61 74 61 20 6f 63 63 75 70 69 65 73 20 70 61 67 65 73 20 4e 2b 31 20 2d 20 4e 2b 64 00 2a 2a data.occupies.pages.N+1.-.N+d.**
2c80 20 20 30 78 30 30 30 30 31 30 30 30 20 2d 20 30 78 30 30 30 2e 2e 66 66 66 20 20 74 65 78 74 20 ..0x00001000.-.0x000..fff..text.
2ca0 6f 63 63 75 70 69 65 73 20 70 61 67 65 73 20 31 20 2d 20 4e 00 2a 2a 20 20 30 78 30 30 30 30 30 occupies.pages.1.-.N.**..0x00000
2cc0 30 30 30 20 2d 20 30 78 30 30 30 30 30 66 66 66 20 20 70 61 67 65 20 30 20 69 73 20 69 6e 61 63 000.-.0x00000fff..page.0.is.inac
2ce0 63 65 73 73 69 62 6c 65 00 2a 2a 20 20 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d cessible.**..===================
2d00 3d 3d 3d 3d 20 20 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d 3d ====..==========================
2d20 3d 3d 3d 3d 3d 3d 00 2a 2a 20 20 41 64 64 72 65 73 73 20 52 61 6e 67 65 20 20 20 20 20 20 20 20 ======.**..Address.Range........
2d40 20 20 20 20 43 6f 6e 74 65 6e 74 73 00 2a 2a 00 2a 2a 20 50 72 6f 63 65 73 73 65 73 20 61 72 65 ....Contents.**.**.Processes.are
2d60 20 6c 69 6d 69 74 65 64 20 74 6f 20 74 68 65 20 66 69 72 73 74 20 34 4d 42 20 6f 66 20 74 68 65 .limited.to.the.first.4MB.of.the
2d80 20 33 32 2d 62 69 74 20 61 64 64 72 65 73 73 20 73 70 61 63 65 3a 00 2a 2a 00 2a 2a 20 56 4d 20 .32-bit.address.space:.**.**.VM.
2da0 6c 61 79 6f 75 74 20 6f 66 20 70 72 6f 63 65 73 73 27 20 61 64 64 72 65 73 73 20 73 70 61 63 65 layout.of.process'.address.space
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2de0 2a 20 30 78 38 6e 6e 6e 6e 6e 6e 6e 20 6d 61 70 73 20 74 6f 20 70 68 79 73 69 63 61 6c 20 61 64 *.0x8nnnnnnn.maps.to.physical.ad
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31c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
31e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
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3220 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3240 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3260 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3280 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
32a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
32c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
32e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3300 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3320 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3340 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3360 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3380 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
33a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
33c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
33e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3400 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3420 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3440 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3460 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3480 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
34a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
34c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
34e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3500 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3520 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3540 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3560 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3580 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
35a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
35c0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
35e0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3600 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3620 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3640 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3660 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
3680 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................................
36a0 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 23 65 6e .............................#en
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37c0 61 72 63 68 79 2e 20 57 65 20 61 73 73 75 6d 65 20 74 68 61 74 20 74 68 65 20 22 6e 65 77 22 20 archy..We.assume.that.the."new".
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3840 2a 2a 20 4e 61 6d 65 3a 20 20 20 20 76 6d 5f 75 76 6d 64 75 70 00 2f 2a 2a 00 00 69 6e 74 20 76 **.Name:....vm_uvmdup./**..int.v
3860 6d 5f 6d 61 70 28 20 70 64 65 5f 74 20 2a 70 64 69 72 2c 20 76 6f 69 64 20 2a 76 61 2c 20 75 69 m_map(.pde_t.*pdir,.void.*va,.ui
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38e0 20 20 54 68 65 20 73 74 61 72 74 69 6e 67 20 70 68 79 73 69 63 61 6c 20 61 64 64 72 65 73 73 00 ..The.starting.physical.address.
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39e0 7a 65 2d 31 5d 2e 20 57 65 20 61 72 65 6e 27 74 20 67 75 61 72 61 6e 74 65 65 64 00 2a 2a 20 43 ze-1]..We.aren't.guaranteed.**.C
3a00 72 65 61 74 65 20 50 54 45 73 20 66 6f 72 20 76 69 72 74 75 61 6c 20 61 64 64 72 65 73 73 65 73 reate.PTEs.for.virtual.addresses
3a20 20 73 74 61 72 74 69 6e 67 20 61 74 20 27 76 61 27 20 74 68 61 74 20 72 65 66 65 72 20 74 6f 00 .starting.at.'va'.that.refer.to.
3a40 2a 2a 00 2a 2a 20 4e 61 6d 65 3a 09 76 6d 5f 6d 61 70 00 2f 2a 00 00 76 6f 69 64 20 76 6d 5f 66 **.**.Name:.vm_map./*..void.vm_f
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3ac0 2a 2a 20 44 65 61 6c 6c 6f 63 61 74 65 20 61 20 70 61 67 65 20 74 61 62 6c 65 20 68 69 65 72 61 **.Deallocate.a.page.table.hiera
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3bc0 6d 20 62 79 74 65 73 20 20 4e 75 6d 62 65 72 20 6f 66 20 62 79 74 65 73 20 74 6f 20 63 6f 70 79 m.bytes..Number.of.bytes.to.copy
3be0 00 2a 2a 20 40 70 61 72 61 6d 20 64 61 74 61 20 20 20 50 6f 69 6e 74 65 72 20 74 6f 20 64 61 74 .**.@param.data...Pointer.to.dat
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3c20 65 20 20 20 41 6d 6f 75 6e 74 20 6f 66 20 70 68 79 73 69 63 61 6c 20 6d 65 6d 6f 72 79 20 74 6f e...Amount.of.physical.memory.to
3c40 20 61 6c 6c 6f 63 61 74 65 00 2a 2a 20 40 70 61 72 61 6d 20 76 61 20 20 20 20 20 53 74 61 72 74 .allocate.**.@param.va.....Start
3c60 69 6e 67 20 56 41 20 6f 66 20 74 68 65 20 72 61 6e 67 65 00 2a 2a 20 40 70 61 72 61 6d 20 73 79 ing.VA.of.the.range.**.@param.sy
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3cc0 66 6f 72 20 74 68 65 20 50 54 45 00 2a 2a 20 40 70 61 72 61 6d 20 70 64 69 72 20 20 20 50 6f 69 for.the.PTE.**.@param.pdir...Poi
3ce0 6e 74 65 72 20 74 6f 20 74 68 65 20 70 61 67 65 20 64 69 72 65 63 74 6f 72 79 20 74 6f 20 6d 6f nter.to.the.page.directory.to.mo
3d00 64 69 66 79 00 2a 2a 00 2a 2a 20 74 68 65 6d 20 69 66 20 6e 65 63 65 73 73 61 72 79 2e 00 2a 2a dify.**.**.them.if.necessary..**
3d20 20 41 64 64 20 70 61 67 65 73 20 74 6f 20 74 68 65 20 70 61 67 65 20 68 69 65 72 61 72 63 68 79 .Add.pages.to.the.page.hierarchy
3d40 20 66 6f 72 20 61 20 70 72 6f 63 65 73 73 2c 20 63 6f 70 79 69 6e 67 20 64 61 74 61 20 69 6e 74 .for.a.process,.copying.data.int
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3da0 40 70 61 72 61 6d 20 70 20 20 20 54 68 65 20 50 43 42 20 6f 66 20 74 68 65 20 75 73 65 72 20 70 @param.p...The.PCB.of.the.user.p
3dc0 72 6f 63 65 73 73 00 2a 2a 00 2a 2a 20 53 77 69 74 63 68 20 74 68 65 20 70 61 67 65 20 74 61 62 rocess.**.**.Switch.the.page.tab
3de0 6c 65 20 72 65 67 69 73 74 65 72 20 74 6f 20 74 68 65 20 70 61 67 65 20 64 69 72 65 63 74 6f 72 le.register.to.the.page.director
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3e20 3a 09 76 6d 5f 73 65 74 5f 75 76 6d 00 2f 2a 2a 00 00 76 6f 69 64 20 76 6d 5f 73 65 74 5f 6b 76 :.vm_set_uvm./**..void.vm_set_kv
3e40 6d 28 20 76 6f 69 64 20 29 3b 00 2a 2f 00 2a 2a 20 53 77 69 74 63 68 20 74 68 65 20 70 61 67 65 m(.void.);.*/.**.Switch.the.page
3e60 20 74 61 62 6c 65 20 72 65 67 69 73 74 65 72 20 74 6f 20 74 68 65 20 6b 65 72 6e 65 6c 27 73 20 .table.register.to.the.kernel's.
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3ea0 74 5f 6b 76 6d 00 2f 2a 2a 00 00 70 64 65 5f 74 20 2a 76 6d 5f 6d 6b 75 76 6d 28 20 76 6f 69 64 t_kvm./**..pde_t.*vm_mkuvm(.void
3ec0 20 29 3b 00 2a 2f 00 2a 2a 20 43 72 65 61 74 65 20 74 68 65 20 70 61 67 65 20 74 61 62 6c 65 20 .);.*/.**.Create.the.page.table.
3ee0 68 69 65 72 61 72 63 68 79 20 66 6f 72 20 61 20 75 73 65 72 20 70 72 6f 63 65 73 73 00 2a 2a 00 hierarchy.for.a.user.process.**.
3f00 2a 2a 20 4e 61 6d 65 3a 09 76 6d 5f 6d 6b 75 76 6d 00 2f 2a 2a 00 00 70 64 65 5f 74 20 2a 76 6d **.Name:.vm_mkuvm./**..pde_t.*vm
3f20 5f 6d 6b 6b 76 6d 28 20 76 6f 69 64 20 29 3b 00 2a 2f 00 2a 2a 20 43 72 65 61 74 65 20 74 68 65 _mkkvm(.void.);.*/.**.Create.the
3f40 20 6b 65 72 6e 65 6c 27 73 20 70 61 67 65 20 74 61 62 6c 65 20 68 69 65 72 61 72 63 68 79 00 2a .kernel's.page.table.hierarchy.*
3f60 2a 00 2a 2a 20 4e 61 6d 65 3a 09 76 6d 5f 6d 6b 6b 76 6d 00 2f 2a 2a 00 00 70 74 65 5f 74 20 2a *.**.Name:.vm_mkkvm./**..pte_t.*
3f80 76 6d 5f 67 65 74 70 74 65 28 20 70 64 65 5f 74 20 2a 70 64 69 72 2c 20 63 6f 6e 73 74 20 76 6f vm_getpte(.pde_t.*pdir,.const.vo
3fa0 69 64 20 2a 76 61 2c 20 62 6f 6f 6c 5f 74 20 61 6c 6c 6f 63 20 29 3b 00 2a 2f 00 2a 2a 20 40 72 id.*va,.bool_t.alloc.);.*/.**.@r
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52a0 5f 53 48 49 46 54 29 20 26 20 50 49 58 32 49 5f 4d 41 53 4b 29 00 23 64 65 66 69 6e 65 20 50 44 _SHIFT).&.PIX2I_MASK).#define.PD
52c0 49 58 28 76 29 20 20 20 20 20 20 20 20 28 28 28 28 75 69 6e 74 33 32 5f 74 29 28 76 29 29 20 3e IX(v)........((((uint32_t)(v)).>
52e0 3e 20 50 44 49 58 5f 53 48 49 46 54 29 20 26 20 50 49 58 32 49 5f 4d 41 53 4b 29 00 2f 2f 20 65 >.PDIX_SHIFT).&.PIX2I_MASK).//.e
5300 78 74 72 61 63 74 20 74 68 65 20 74 61 62 6c 65 20 69 6e 64 69 63 65 73 20 66 72 6f 6d 20 61 20 xtract.the.table.indices.from.a.
5320 33 32 2d 62 69 74 20 61 64 64 72 65 73 73 00 00 23 64 65 66 69 6e 65 20 50 45 52 4d 53 28 70 29 32-bit.address..#define.PERMS(p)
5340 20 20 20 20 20 20 20 28 28 28 75 69 6e 74 33 32 5f 74 29 28 70 29 29 26 50 45 52 4d 53 5f 4d 41 .......(((uint32_t)(p))&PERMS_MA
5360 53 4b 29 00 2f 2f 20 65 76 65 72 79 74 68 69 6e 67 20 68 61 73 20 6e 69 6e 65 20 62 69 74 73 20 SK).//.everything.has.nine.bits.
5380 6f 66 20 70 65 72 6d 69 73 73 69 6f 6e 20 66 6c 61 67 73 00 23 64 65 66 69 6e 65 20 50 54 45 5f of.permission.flags.#define.PTE_
53a0 41 44 44 52 28 70 29 20 20 20 20 28 28 28 75 69 6e 74 33 32 5f 74 29 28 70 29 29 26 50 54 45 5f ADDR(p)....(((uint32_t)(p))&PTE_
53c0 46 41 29 00 2f 2f 20 50 54 45 73 20 61 6c 77 61 79 73 20 70 6f 69 6e 74 20 74 6f 20 34 4b 42 20 FA).//.PTEs.always.point.to.4KB.
53e0 70 61 67 65 73 00 23 64 65 66 69 6e 65 20 50 44 45 5f 41 44 44 52 28 70 29 20 20 20 20 28 49 53 pages.#define.PDE_ADDR(p)....(IS
5400 5f 4c 41 52 47 45 28 70 29 3f 28 28 28 75 69 6e 74 33 32 5f 74 29 70 29 26 50 44 45 5f 46 41 29 _LARGE(p)?(((uint32_t)p)&PDE_FA)
5420 3a 28 28 28 75 69 6e 74 33 32 5f 74 29 70 29 26 50 44 45 5f 50 54 41 29 29 00 2f 2f 20 50 44 45 :(((uint32_t)p)&PDE_PTA)).//.PDE
5440 73 20 63 6f 75 6c 64 20 70 6f 69 6e 74 20 74 6f 20 34 4d 42 20 70 61 67 65 73 2c 20 6f 72 20 34 s.could.point.to.4MB.pages,.or.4
5460 4b 42 20 50 4d 54 73 00 2f 2f 20 65 78 74 72 61 63 74 20 74 68 65 20 50 4d 54 20 61 64 64 72 65 KB.PMTs.//.extract.the.PMT.addre
5480 73 73 20 6f 72 20 66 72 61 6d 65 20 61 64 64 72 65 73 73 20 66 72 6f 6d 20 61 20 74 61 62 6c 65 ss.or.frame.address.from.a.table
54a0 20 65 6e 74 72 79 00 00 23 64 65 66 69 6e 65 20 50 54 45 5f 34 4d 5f 41 44 44 52 28 6e 29 20 20 .entry..#define.PTE_4M_ADDR(n)..
54c0 20 20 20 28 28 6e 29 20 26 20 4d 4f 44 34 4d 5f 4d 41 53 4b 29 00 23 64 65 66 69 6e 65 20 50 44 ...((n).&.MOD4M_MASK).#define.PD
54e0 45 5f 34 4d 5f 41 44 44 52 28 6e 29 20 20 20 20 20 28 28 6e 29 20 26 20 4d 4f 44 34 4d 5f 4d 41 E_4M_ADDR(n).....((n).&.MOD4M_MA
5500 53 4b 29 00 23 64 65 66 69 6e 65 20 47 45 54 5f 34 4d 46 52 41 4d 45 28 6e 29 20 20 20 20 20 28 SK).#define.GET_4MFRAME(n).....(
5520 28 28 6e 29 20 3e 3e 20 46 52 41 4d 45 5f 34 4d 5f 53 48 49 46 54 29 26 46 32 49 5f 34 4d 5f 4d ((n).>>.FRAME_4M_SHIFT)&F2I_4M_M
5540 41 53 4b 29 00 23 64 65 66 69 6e 65 20 54 4f 5f 34 4d 46 52 41 4d 45 28 6e 29 20 20 20 20 20 20 ASK).#define.TO_4MFRAME(n)......
5560 28 28 28 6e 29 26 46 52 41 4d 45 32 49 5f 34 4d 5f 4d 41 53 4b 29 20 3c 3c 20 46 52 41 4d 45 5f (((n)&FRAME2I_4M_MASK).<<.FRAME_
5580 34 4d 5f 53 48 49 46 54 29 00 23 64 65 66 69 6e 65 20 46 52 41 4d 45 32 49 5f 34 4d 5f 4d 41 53 4M_SHIFT).#define.FRAME2I_4M_MAS
55a0 4b 20 20 20 20 30 78 30 30 30 30 30 33 66 66 00 23 64 65 66 69 6e 65 09 46 52 41 4d 45 5f 34 4d K....0x000003ff.#define.FRAME_4M
55c0 5f 53 48 49 46 54 20 32 32 00 2f 2f 20 34 4d 42 20 66 72 61 6d 65 20 6e 75 6d 62 65 72 73 20 61 _SHIFT.22.//.4MB.frame.numbers.a
55e0 72 65 20 31 30 20 62 69 74 73 20 77 69 64 65 00 00 23 64 65 66 69 6e 65 20 50 54 45 5f 34 4b 5f re.10.bits.wide..#define.PTE_4K_
5600 41 44 44 52 28 6e 29 20 20 20 20 20 28 28 6e 29 20 26 20 4d 4f 44 34 4b 5f 4d 41 53 4b 29 00 23 ADDR(n).....((n).&.MOD4K_MASK).#
5620 64 65 66 69 6e 65 20 50 44 45 5f 34 4b 5f 41 44 44 52 28 6e 29 20 20 20 20 20 28 28 6e 29 20 26 define.PDE_4K_ADDR(n).....((n).&
5640 20 4d 4f 44 34 4b 5f 4d 41 53 4b 29 00 23 64 65 66 69 6e 65 20 47 45 54 5f 34 4b 46 52 41 4d 45 .MOD4K_MASK).#define.GET_4KFRAME
5660 28 6e 29 20 20 20 20 20 28 28 28 6e 29 20 3e 3e 20 46 52 41 4d 45 5f 34 4b 5f 53 48 49 46 54 29 (n).....(((n).>>.FRAME_4K_SHIFT)
5680 26 46 32 49 5f 34 4b 5f 4d 41 53 4b 29 00 23 64 65 66 69 6e 65 20 54 4f 5f 34 4b 46 52 41 4d 45 &F2I_4K_MASK).#define.TO_4KFRAME
56a0 28 6e 29 20 20 20 20 20 20 28 28 28 6e 29 26 46 52 41 4d 45 32 49 5f 34 4b 5f 4d 41 53 4b 29 20 (n)......(((n)&FRAME2I_4K_MASK).
56c0 3c 3c 20 46 52 41 4d 45 5f 34 4b 5f 53 48 49 46 54 29 00 23 64 65 66 69 6e 65 20 46 52 41 4d 45 <<.FRAME_4K_SHIFT).#define.FRAME
56e0 32 49 5f 34 4b 5f 4d 41 53 4b 20 20 20 20 30 78 30 30 30 66 66 66 66 66 00 23 64 65 66 69 6e 65 2I_4K_MASK....0x000fffff.#define
5700 09 46 52 41 4d 45 5f 34 4b 5f 53 48 49 46 54 20 31 32 00 2f 2f 20 34 4b 42 20 66 72 61 6d 65 20 .FRAME_4K_SHIFT.12.//.4KB.frame.
5720 6e 75 6d 62 65 72 73 20 61 72 65 20 32 30 20 62 69 74 73 20 77 69 64 65 00 00 23 64 65 66 69 6e numbers.are.20.bits.wide..#defin
5740 65 20 50 45 52 4d 53 5f 4d 41 53 4b 20 20 20 20 20 20 20 20 20 20 4d 4f 44 34 4b 5f 4d 41 53 4b e.PERMS_MASK..........MOD4K_MASK
5760 00 2f 2f 20 6c 6f 77 2d 6f 72 64 65 72 20 6e 69 6e 65 20 62 69 74 73 20 6f 66 20 50 44 45 73 20 .//.low-order.nine.bits.of.PDEs.
5780 61 6e 64 20 50 54 45 73 20 68 6f 6c 64 20 22 70 65 72 6d 69 73 73 69 6f 6e 22 20 66 6c 61 67 20 and.PTEs.hold."permission".flag.
57a0 62 69 74 73 00 00 23 64 65 66 69 6e 65 20 49 53 5f 55 53 45 52 28 65 6e 74 72 79 29 20 20 20 20 bits..#define.IS_USER(entry)....
57c0 20 28 28 28 65 6e 74 72 79 29 20 26 20 50 44 45 5f 55 53 29 20 21 3d 20 30 20 29 00 23 64 65 66 .(((entry).&.PDE_US).!=.0.).#def
57e0 69 6e 65 20 49 53 5f 53 59 53 54 45 4d 28 65 6e 74 72 79 29 20 20 20 28 28 28 65 6e 74 72 79 29 ine.IS_SYSTEM(entry)...(((entry)
5800 20 26 20 50 44 45 5f 55 53 29 20 3d 3d 20 30 20 29 00 2f 2f 20 69 73 20 74 68 69 73 20 65 6e 74 .&.PDE_US).==.0.).//.is.this.ent
5820 72 79 20 22 73 79 73 74 65 6d 20 6f 6e 6c 79 22 20 6f 72 20 22 73 79 73 74 65 6d 20 61 6e 64 20 ry."system.only".or."system.and.
5840 75 73 65 72 22 3f 00 00 23 64 65 66 69 6e 65 20 49 53 5f 4c 41 52 47 45 28 70 64 65 29 20 20 20 user"?..#define.IS_LARGE(pde)...
5860 20 20 20 28 28 28 70 64 65 29 20 26 20 50 44 45 5f 50 53 29 20 21 3d 20 30 20 29 00 2f 2f 20 69 ...(((pde).&.PDE_PS).!=.0.).//.i
5880 73 20 61 20 50 44 45 20 61 20 34 4d 42 20 70 61 67 65 20 65 6e 74 72 79 3f 00 00 23 64 65 66 69 s.a.PDE.a.4MB.page.entry?..#defi
58a0 6e 65 20 49 53 5f 50 52 45 53 45 4e 54 28 65 6e 74 72 79 29 20 20 28 28 28 65 6e 74 72 79 29 20 ne.IS_PRESENT(entry)..(((entry).
58c0 26 20 50 44 45 5f 50 29 20 21 3d 20 30 20 29 00 2f 2f 20 28 50 20 62 69 74 20 69 73 20 69 6e 20 &.PDE_P).!=.0.).//.(P.bit.is.in.
58e0 74 68 65 20 73 61 6d 65 20 70 6c 61 63 65 20 69 6e 20 62 6f 74 68 29 00 2f 2f 20 69 73 20 61 20 the.same.place.in.both).//.is.a.
5900 50 44 45 2f 50 54 45 20 70 72 65 73 65 6e 74 3f 00 00 23 64 65 66 69 6e 65 20 4d 4b 50 54 45 28 PDE/PTE.present?..#define.MKPTE(
5920 66 2c 70 29 20 20 28 28 70 74 65 5f 74 29 28 20 54 4f 5f 46 52 41 4d 45 28 28 66 29 29 20 7c 20 f,p)..((pte_t)(.TO_FRAME((f)).|.
5940 28 70 29 20 29 29 00 23 64 65 66 69 6e 65 20 4d 4b 50 44 45 28 66 2c 70 29 20 20 28 28 70 64 65 (p).)).#define.MKPDE(f,p)..((pde
5960 5f 74 29 28 20 54 4f 5f 46 52 41 4d 45 28 28 66 29 29 20 7c 20 28 70 29 20 29 29 00 2f 2f 20 63 _t)(.TO_FRAME((f)).|.(p).)).//.c
5980 72 65 61 74 65 20 61 20 70 64 65 2f 70 74 65 20 66 72 6f 6d 20 61 6e 20 69 6e 74 65 67 65 72 20 reate.a.pde/pte.from.an.integer.
59a0 66 72 61 6d 65 20 6e 75 6d 62 65 72 20 61 6e 64 20 70 65 72 6d 69 73 73 69 6f 6e 20 62 69 74 73 frame.number.and.permission.bits
59c0 00 00 23 64 65 66 69 6e 65 20 50 32 56 28 61 29 20 20 20 20 20 20 20 20 20 28 28 28 75 69 6e 74 ..#define.P2V(a).........(((uint
59e0 33 32 5f 74 29 28 61 29 29 20 2b 20 4b 45 52 4e 5f 42 41 53 45 29 00 23 64 65 66 69 6e 65 20 56 32_t)(a)).+.KERN_BASE).#define.V
5a00 32 50 28 61 29 20 20 20 20 20 20 20 20 20 28 28 28 75 69 6e 74 33 32 5f 74 29 28 61 29 29 20 2d 2P(a).........(((uint32_t)(a)).-
5a20 20 4b 45 52 4e 5f 42 41 53 45 29 00 2f 2f 20 28 6e 6f 74 20 75 73 61 62 6c 65 20 66 72 6f 6d 20 .KERN_BASE).//.(not.usable.from.
5a40 61 73 73 65 6d 62 6c 79 29 00 2f 2f 20 70 68 79 73 69 63 61 6c 2f 76 69 72 74 75 61 6c 20 63 6f assembly).//.physical/virtual.co
5a60 6e 76 65 72 74 65 72 73 20 74 68 61 74 20 64 6f 20 75 73 65 20 63 61 73 74 69 6e 67 00 00 2a 2f nverters.that.do.use.casting..*/
5a80 00 2a 2a 20 53 74 61 72 74 20 6f 66 20 43 2d 6f 6e 6c 79 20 64 65 66 69 6e 69 74 69 6f 6e 73 00 .**.Start.of.C-only.definitions.
5aa0 2f 2a 00 00 23 69 66 6e 64 65 66 20 41 53 4d 5f 53 52 43 00 00 23 64 65 66 69 6e 65 20 50 46 4c /*..#ifndef.ASM_SRC..#define.PFL
5ac0 54 5f 55 4e 55 53 45 44 20 20 20 20 30 78 66 66 66 66 37 66 30 30 00 23 64 65 66 69 6e 65 20 50 T_UNUSED....0xffff7f00.#define.P
5ae0 46 4c 54 5f 53 47 58 20 20 20 20 20 20 20 30 78 30 30 30 30 38 30 30 30 00 23 64 65 66 69 6e 65 FLT_SGX.......0x00008000.#define
5b00 20 50 46 4c 54 5f 48 4c 41 54 20 20 20 20 20 20 30 78 30 30 30 30 30 30 38 30 00 23 64 65 66 69 .PFLT_HLAT......0x00000080.#defi
5b20 6e 65 20 50 46 4c 54 5f 53 53 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 34 30 00 23 64 65 ne.PFLT_SS........0x00000040.#de
5b40 66 69 6e 65 20 50 46 4c 54 5f 50 4b 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 32 30 00 23 fine.PFLT_PK........0x00000020.#
5b60 64 65 66 69 6e 65 20 50 46 4c 54 5f 49 44 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 31 30 define.PFLT_ID........0x00000010
5b80 00 23 64 65 66 69 6e 65 20 50 46 4c 54 5f 52 53 56 44 20 20 20 20 20 20 30 78 30 30 30 30 30 30 .#define.PFLT_RSVD......0x000000
5ba0 30 38 00 23 64 65 66 69 6e 65 20 50 46 4c 54 5f 55 53 20 20 20 20 20 20 20 20 30 78 30 30 30 30 08.#define.PFLT_US........0x0000
5bc0 30 30 30 34 00 23 64 65 66 69 6e 65 20 50 46 4c 54 5f 57 20 20 20 20 20 20 20 20 20 30 78 30 30 0004.#define.PFLT_W.........0x00
5be0 30 30 30 30 30 32 00 23 64 65 66 69 6e 65 20 50 46 4c 54 5f 50 20 20 20 20 20 20 20 20 20 30 78 000002.#define.PFLT_P.........0x
5c00 30 30 30 30 30 30 30 31 00 2f 2f 20 65 72 72 6f 72 20 63 6f 64 65 20 62 69 74 20 61 73 73 69 67 00000001.//.error.code.bit.assig
5c20 6e 6d 65 6e 74 73 20 66 6f 72 20 70 61 67 65 20 66 61 75 6c 74 73 00 00 23 64 65 66 69 6e 65 20 nments.for.page.faults..#define.
5c40 50 54 45 5f 46 41 20 20 20 20 20 20 20 20 20 30 78 66 66 66 66 66 30 30 30 09 2f 2f 20 66 72 61 PTE_FA.........0xfffff000.//.fra
5c60 6d 65 20 61 64 64 72 65 73 73 20 66 69 65 6c 64 00 23 64 65 66 69 6e 65 20 50 54 45 5f 41 56 4c me.address.field.#define.PTE_AVL
5c80 32 20 20 20 20 20 20 20 30 78 30 30 30 30 30 65 30 30 09 2f 2f 20 69 67 6e 6f 72 65 64 00 23 64 2.......0x00000e00.//.ignored.#d
5ca0 65 66 69 6e 65 20 50 54 45 5f 47 20 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 31 30 30 09 efine.PTE_G..........0x00000100.
5cc0 2f 2f 20 67 6c 6f 62 61 6c 00 23 64 65 66 69 6e 65 20 50 54 45 5f 50 41 54 20 20 20 20 20 20 20 //.global.#define.PTE_PAT.......
5ce0 20 30 78 30 30 30 30 30 30 38 30 09 2f 2f 20 75 73 65 20 70 61 67 65 20 61 74 74 72 69 62 75 74 .0x00000080.//.use.page.attribut
5d00 65 20 74 61 62 6c 65 00 23 64 65 66 69 6e 65 20 50 54 45 5f 44 20 20 20 20 20 20 20 20 20 20 30 e.table.#define.PTE_D..........0
5d20 78 30 30 30 30 30 30 34 30 09 2f 2f 20 64 69 72 74 79 00 23 64 65 66 69 6e 65 20 50 54 45 5f 41 x00000040.//.dirty.#define.PTE_A
5d40 20 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 32 30 09 2f 2f 20 61 63 63 65 73 73 65 64 ..........0x00000020.//.accessed
5d60 00 23 64 65 66 69 6e 65 20 50 54 45 5f 50 43 44 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 .#define.PTE_PCD........0x000000
5d80 31 30 09 2f 2f 20 63 61 63 68 65 3a 20 31 20 3d 20 64 69 73 61 62 6c 65 64 00 23 64 65 66 69 6e 10.//.cache:.1.=.disabled.#defin
5da0 65 20 50 54 45 5f 50 57 54 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 38 09 2f 2f 20 63 e.PTE_PWT........0x00000008.//.c
5dc0 61 63 68 65 3a 20 31 20 3d 20 77 72 69 74 65 2d 74 68 72 6f 75 67 68 00 23 64 65 66 69 6e 65 20 ache:.1.=.write-through.#define.
5de0 50 54 45 5f 55 53 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 34 09 2f 2f 20 31 20 3d PTE_US.........0x00000004.//.1.=
5e00 20 75 73 65 72 20 61 6e 64 20 73 79 73 74 65 6d 20 75 73 61 62 6c 65 00 23 64 65 66 69 6e 65 20 .user.and.system.usable.#define.
5e20 50 54 45 5f 52 57 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 30 30 32 09 2f 2f 20 31 20 3d PTE_RW.........0x00000002.//.1.=
5e40 20 77 72 69 74 61 62 6c 65 00 23 64 65 66 69 6e 65 20 50 54 45 5f 50 20 20 20 20 20 20 20 20 20 .writable.#define.PTE_P.........
5e60 20 30 78 30 30 30 30 30 30 30 31 09 2f 2f 20 70 72 65 73 65 6e 74 00 2f 2f 20 70 61 67 65 20 74 .0x00000001.//.present.//.page.t
5e80 61 62 6c 65 20 65 6e 74 72 79 20 62 69 74 20 66 69 65 6c 64 73 00 00 23 64 65 66 69 6e 65 20 50 able.entry.bit.fields..#define.P
5ea0 44 45 5f 46 41 20 20 20 20 20 20 20 20 20 30 78 66 66 63 30 30 30 30 30 09 2f 2f 20 66 72 61 6d DE_FA.........0xffc00000.//.fram
5ec0 65 20 61 64 64 72 65 73 73 20 66 69 65 6c 64 20 28 34 4d 42 20 70 61 67 65 73 29 00 23 64 65 66 e.address.field.(4MB.pages).#def
5ee0 69 6e 65 20 50 44 45 5f 50 54 41 20 20 20 20 20 20 20 20 30 78 66 66 66 66 66 30 30 30 09 2f 2f ine.PDE_PTA........0xfffff000.//
5f00 20 70 61 67 65 20 74 61 62 6c 65 20 61 64 64 72 65 73 73 20 66 69 65 6c 64 20 28 34 4b 42 20 70 .page.table.address.field.(4KB.p
5f20 61 67 65 73 29 00 23 64 65 66 69 6e 65 20 50 44 45 5f 50 41 54 20 20 20 20 20 20 20 20 30 78 30 ages).#define.PDE_PAT........0x0
5f40 30 30 30 31 30 30 30 09 2f 2f 20 28 34 4d 42 20 70 61 67 65 73 29 20 75 73 65 20 70 61 67 65 20 0001000.//.(4MB.pages).use.page.
5f60 61 74 74 72 69 62 75 74 65 20 74 61 62 6c 65 00 23 64 65 66 69 6e 65 20 50 44 45 5f 41 56 4c 32 attribute.table.#define.PDE_AVL2
5f80 20 20 20 20 20 20 20 30 78 30 30 30 30 30 65 30 30 09 2f 2f 20 69 67 6e 6f 72 65 64 00 23 64 65 .......0x00000e00.//.ignored.#de
5fa0 66 69 6e 65 20 50 44 45 5f 47 20 20 20 20 20 20 20 20 20 20 30 78 30 30 30 30 30 31 30 30 09 2f fine.PDE_G..........0x00000100./
5fc0 2f 20 67 6c 6f 62 61 6c 00 23 64 65 66 69 6e 65 20 50 44 45 5f 50 53 20 20 20 20 20 20 20 20 20 /.global.#define.PDE_PS.........
5fe0 30 78 30 30 30 30 30 30 38 30 09 2f 2f 20 31 20 3d 20 34 4d 42 20 70 61 67 65 20 73 69 7a 65 00 0x00000080.//.1.=.4MB.page.size.
generated by cgit v1.2.3-freya (git 2.51.0) at 2025-09-22 16:25:59 +0000