GDT里面的基地址是物理地址吧?我记得应该是啊。
可是我用GDT Dumpi看了,发现有的地址是FFFF7000,
但我的内存只有1GB,不可能有这样的物理地址,高手们,解释一下!
Global Descriptor Table
Base: 8003F000 Limit: 000003FF
Base ?Segment base address
Limit ?Segment Limit
DPL ?Descriptor privilege level
P ?Segment present
G ?Granularity
-------------------------------------------------------------------------------
Sel. Base Limit DPL P G Description
-------------------------------------------------------------------------------
0008 00000000 FFFFFFFF 0 P 4Kb Execute/Read, accessed
0010 00000000 FFFFFFFF 0 P 4Kb Read/Write, accessed
0018 00000000 FFFFFFFF 3 P 4Kb Execute/Read, accessed
0020 00000000 FFFFFFFF 3 P 4Kb Read/Write, accessed
0028 80042000 000020AB 0 P 1b 32-Bit TSS (Busy)
0030 FFDFF000 00001FFF 0 P 4Kb Read/Write, accessed
0038 7FFDF000 00000FFF 3 P 1b Read/Write, accessed
0040 00000400 0000FFFF 3 P 1b Read/Write
0048 00000000 00000000 0 NP 1b Reserved
0050 80551700 00000068 0 P 1b 32-Bit TSS (Available)
0058 80551768 00000068 0 P 1b 32-Bit TSS (Available)
0060 00022F30 0000FFFF 0 P 1b Read/Write, accessed
0068 000B8000 00003FFF 0 P 1b Read/Write
0070 FFFF7000 000003FF 0 P 1b Read/Write
0078 80400000 0000FFFF 0 P 1b Execute/Read
0080 80400000 0000FFFF 0 P 1b Read/Write
0088 00000000 00000000 0 P 1b Read/Write
0090 00000000 00000000 0 NP 1b Reserved
0098 00000000 00000000 0 NP 1b Reserved
00A0 867E8208 00000068 0 P 1b 32-Bit TSS (Available)
00A8 00000000 00000000 0 NP 1b Reserved
00B0 00000000 00000000 0 NP 1b Reserved
00B8 00000000 00000000 0 NP 1b Reserved
00C0 00000000 00000000 0 NP 1b Reserved
00C8 00000000 00000000 0 NP 1b Reserved
00D0 00000000 00000000 0 NP 1b Reserved
00D8 00000000 00000000 0 NP 1b Reserved
00E0 F76C4000 0000FFFF 0 P 1b Execute/Read-Only, conforming, accessed
00E8 00000000 0000FFFF 0 P 1b Read/Write
00F0 804FCE88 000003B7 0 P 1b Execute-Only
00F8 00000000 0000FFFF 0 P 1b Read/Write
0100 F722A040 0000FFFF 0 P 1b Read/Write, accessed
0108 F722A040 0000FFFF 0 P 1b Read/Write, accessed
0110 F722A040 0000FFFF 0 P 1b Read/Write, accessed
0118 00008003 0000F120 0 NP 1b Reserved
0120 00008003 0000F128 0 NP 1b Reserved
0128 00008003 0000F130 0 NP 1b Reserved
0130 00008003 0000F138 0 NP 1b Reserved
0138 00008003 0000F140 0 NP 1b Reserved
0140 00008003 0000F148 0 NP 1b Reserved
0148 00008003 0000F150 0 NP 1b Reserved
0150 00008003 0000F158 0 NP 1b Reserved
0158 00008003 0000F160 0 NP 1b Reserved
0160 00008003 0000F168 0 NP 1b Reserved
0168 00008003 0000F170 0 NP 1b Reserved
0170 00008003 0000F178 0 NP 1b Reserved
0178 00008003 0000F180 0 NP 1b Reserved
0180 00008003 0000F188 0 NP 1b Reserved
0188 00008003 0000F190 0 NP 1b Reserved
0190 00008003 0000F198 0 NP 1b Reserved
0198 00008003 0000F1A0 0 NP 1b Reserved
01A0 00008003 0000F1A8 0 NP 1b Reserved
01A8 00008003 0000F1B0 0 NP 1b Reserved
01B0 00008003 0000F1B8 0 NP 1b Reserved
01B8 00008003 0000F1C0 0 NP 1b Reserved
01C0 00008003 0000F1C8 0 NP 1b Reserved
01C8 00008003 0000F1D0 0 NP 1b Reserved
01D0 00008003 0000F1D8 0 NP 1b Reserved
01D8 00008003 0000F1E0 0 NP 1b Reserved
01E0 00008003 0000F1E8 0 NP 1b Reserved
01E8 00008003 0000F1F0 0 NP 1b Reserved
01F0 00008003 0000F1F8 0 NP 1b Reserved
01F8 00008003 0000F200 0 NP 1b Reserved
0200 00008003 0000F208 0 NP 1b Reserved
0208 00008003 0000F210 0 NP 1b Reserved
0210 00008003 0000F218 0 NP 1b Reserved
0218 00008003 0000F220 0 NP 1b Reserved
0220 00008003 0000F228 0 NP 1b Reserved
0228 00008003 0000F230 0 NP 1b Reserved
0230 00008003 0000F238 0 NP 1b Reserved
0238 00008003 0000F240 0 NP 1b Reserved
0240 00008003 0000F248 0 NP 1b Reserved
0248 00008003 0000F250 0 NP 1b Reserved
0250 00008003 0000F258 0 NP 1b Reserved
0258 00008003 0000F260 0 NP 1b Reserved
0260 00008003 0000F268 0 NP 1b Reserved
0268 00008003 0000F270 0 NP 1b Reserved
0270 00008003 0000F278 0 NP 1b Reserved
0278 00008003 0000F280 0 NP 1b Reserved
0280 00008003 0000F288 0 NP 1b Reserved
0288 00008003 0000F290 0 NP 1b Reserved
0290 00008003 0000F298 0 NP 1b Reserved
0298 00008003 0000F2A0 0 NP 1b Reserved
02A0 00008003 0000F2A8 0 NP 1b Reserved
02A8 00008003 0000F2B0 0 NP 1b Reserved
02B0 00008003 0000F2B8 0 NP 1b Reserved
02B8 00008003 0000F2C0 0 NP 1b Reserved
02C0 00008003 0000F2C8 0 NP 1b Reserved
02C8 00008003 0000F2D0 0 NP 1b Reserved
02D0 00008003 0000F2D8 0 NP 1b Reserved
02D8 00008003 0000F2E0 0 NP 1b Reserved
02E0 00008003 0000F2E8 0 NP 1b Reserved
02E8 00008003 0000F2F0 0 NP 1b Reserved
02F0 00008003 0000F2F8 0 NP 1b Reserved
02F8 00008003 0000F300 0 NP 1b Reserved
0300 00008003 0000F308 0 NP 1b Reserved
0308 00008003 0000F310 0 NP 1b Reserved
0310 00008003 0000F318 0 NP 1b Reserved
0318 00008003 0000F320 0 NP 1b Reserved
0320 00008003 0000F328 0 NP 1b Reserved
0328 00008003 0000F330 0 NP 1b Reserved
0330 00008003 0000F338 0 NP 1b Reserved
0338 00008003 0000F340 0 NP 1b Reserved
0340 00008003 0000F348 0 NP 1b Reserved
0348 00008003 0000F350 0 NP 1b Reserved
0350 00008003 0000F358 0 NP 1b Reserved
0358 00008003 0000F360 0 NP 1b Reserved
0360 00008003 0000F368 0 NP 1b Reserved
0368 00008003 0000F370 0 NP 1b Reserved
0370 00008003 0000F378 0 NP 1b Reserved
0378 00008003 0000F380 0 NP 1b Reserved
0380 00008003 0000F388 0 NP 1b Reserved
0388 00008003 0000F390 0 NP 1b Reserved
0390 00008003 0000F398 0 NP 1b Reserved
0398 00008003 0000F3A0 0 NP 1b Reserved
03A0 00008003 0000F3A8 0 NP 1b Reserved
03A8 00008003 0000F3B0 0 NP 1b Reserved
03B0 00008003 0000F3B8 0 NP 1b Reserved
03B8 00008003 0000F3C0 0 NP 1b Reserved
03C0 00008003 0000F3C8 0 NP 1b Reserved
03C8 00008003 0000F3D0 0 NP 1b Reserved
03D0 00008003 0000F3D8 0 NP 1b Reserved
03D8 00008003 0000F3E0 0 NP 1b Reserved
03E0 00008003 0000F3E8 0 NP 1b Reserved
03E8 00008003 0000F3F0 0 NP 1b Reserved
03F0 00008003 0000F3F8 0 NP 1b Reserved
03F8 00000000 00000000 0 NP 1b Reserved
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