43 lines
2.2 KiB
Plaintext
43 lines
2.2 KiB
Plaintext
1 ; asmfuncs.asm
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2 ; Josh Holtrop
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3 ; 10/23/03
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4
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5 [global _write_cr0]
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6 [global _read_cr0]
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7 [global _write_cr3]
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8 [global _read_cr3]
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9
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10 ;extern dword write_cr0(dword cr0);
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11 _write_cr0:
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12 00000000 55 push ebp
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13 00000001 89E5 mov ebp, esp
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14 00000003 8B4508 mov eax, [ebp+8]
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15 00000006 0F22C0 mov cr0, eax
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16 00000009 5D pop ebp
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17 0000000A C3 ret
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18
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19 ;extern dword read_cr0();
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20 _read_cr0:
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21 0000000B 0F20C0 mov eax, cr0;
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22 0000000E C3 ret
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23
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24
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25 ;extern dword write_cr3(dword cr3);
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26 _write_cr3:
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27 0000000F 55 push ebp
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28 00000010 89E5 mov ebp, esp
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29 00000012 8B4508 mov eax, [ebp+8]
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30 00000015 0F22D8 mov cr3, eax
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31 00000018 5D pop ebp
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32 00000019 C3 ret
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33
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34 ;extern dword read_cr3();
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35 _read_cr3:
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36 0000001A 0F20D8 mov eax, cr3;
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37 0000001D C3 ret
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38
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39
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40
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41
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42
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