| | 1 | # poke-rls-asm.S |
| | 2 | # Helper functions for poke-rls.c |
| | 3 | # NetWatch system management mode administration console |
| | 4 | # |
| | 5 | # Copyright (c) 2008 Jacob Potter and Joshua Wise. All rights reserved. |
| | 6 | # This program is free software; you can redistribute and/or modify it under |
| | 7 | # the terms found in the file LICENSE in the root of this source tree. |
| | 8 | |
| | 9 | .global poke |
| | 10 | poke: |
| | 11 | mov 8(%esp), %ecx |
| | 12 | |
| | 13 | # Parameter: I/O port to set bit 2 of |
| | 14 | mov 4(%esp), %edx |
| | 15 | inl %dx, %eax |
| | 16 | or $4, %eax |
| | 17 | outl %eax, %dx |
| | 18 | |
| | 19 | # Maybe SMM poked something? |
| | 20 | mov %ecx, %eax |
| | 21 | ret |
git.joshuawise.com / netwatch.git / blame_incremental