| | 1 | /* cpuid.S |
| | 2 | * CPUID wrapper |
| | 3 | * NetWatch system management mode administration console |
| | 4 | * |
| | 5 | * Copyright 2009, Google Inc. |
| | 6 | * All rights reserved. |
| | 7 | * |
| | 8 | * Redistribution and use in source and binary forms, with or without |
| | 9 | * modification, are permitted provided that the following conditions are |
| | 10 | * met: |
| | 11 | * |
| | 12 | * * Redistributions of source code must retain the above copyright |
| | 13 | * notice, this list of conditions and the following disclaimer. |
| | 14 | * * Redistributions in binary form must reproduce the above |
| | 15 | * copyright notice, this list of conditions and the following disclaimer |
| | 16 | * in the documentation and/or other materials provided with the |
| | 17 | * distribution. |
| | 18 | * * Neither the name of Google Inc. nor the names of its |
| | 19 | * contributors may be used to endorse or promote products derived from |
| | 20 | * this software without specific prior written permission. |
| | 21 | * |
| | 22 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| | 23 | * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| | 24 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| | 25 | * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| | 26 | * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| | 27 | * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| | 28 | * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| | 29 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| | 30 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| | 31 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| | 32 | * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| | 33 | */ |
| | 34 | |
| | 35 | .global cpuid |
| | 36 | cpuid: |
| | 37 | // Save registers |
| | 38 | push %ebx |
| | 39 | push %edi |
| | 40 | |
| | 41 | // Load arguments from stack |
| | 42 | mov 12(%esp), %eax |
| | 43 | mov 16(%esp), %edi |
| | 44 | |
| | 45 | cpuid |
| | 46 | |
| | 47 | // Save results into output pointer |
| | 48 | mov %eax, (%edi) |
| | 49 | mov %ebx, 4(%edi) |
| | 50 | mov %ecx, 8(%edi) |
| | 51 | mov %edx, 12(%edi) |
| | 52 | |
| | 53 | // All done! |
| | 54 | pop %edi |
| | 55 | pop %ebx |
| | 56 | ret |
git.joshuawise.com / netwatch.git / blame_incremental