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Commit | Line | Data |
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0889f342 JP |
1 | .global poke |
2 | poke: | |
3 | # Preload registers: $0x1BADD00D | |
4 | mov $0x1BADD00D, %ecx | |
5 | ||
6 | # Parameter: I/O port to set bit 2 of | |
ea6c242b | 7 | mov 4(%esp), %edx |
0889f342 JP |
8 | inl %dx, %eax |
9 | or $4, %eax | |
10 | outl %eax, %dx | |
11 | ||
0889f342 JP |
12 | # Maybe SMM poked something? |
13 | mov %ecx, %eax | |
14 | ret |