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b341712e | 1 | #------------------------------------------------------------------------------\r |
2 | #\r | |
4ea9375a HT |
3 | # Copyright (c) 2006, Intel Corporation. All rights reserved.<BR>\r |
4 | # This program and the accompanying materials\r | |
b341712e | 5 | # are licensed and made available under the terms and conditions of the BSD License\r |
6 | # which accompanies this distribution. The full text of the license may be found at\r | |
7 | # http://opensource.org/licenses/bsd-license.php\r | |
8 | #\r | |
9 | # THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
10 | # WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
11 | #\r | |
12 | # Module Name:\r | |
13 | #\r | |
14 | # ReadIdtBase.Asm\r | |
15 | #\r | |
16 | # Abstract:\r | |
17 | #\r | |
18 | # ReadIdtBase function\r | |
19 | #\r | |
20 | # Notes:\r | |
21 | #\r | |
22 | #include "EfiBind.h"\r | |
23 | #------------------------------------------------------------------------------\r | |
24 | \r | |
25 | .586: \r | |
26 | #.MODEL flat,C\r | |
27 | .code: \r | |
28 | \r | |
29 | .globl ASM_PFX(ReadIdtBasea)\r | |
30 | .globl ASM_PFX(ReadIdtLimita)\r | |
31 | \r | |
32 | #------------------------------------------------------------------------------\r | |
33 | # UINTN\r | |
34 | # ReadIdtBase (\r | |
35 | # void\r | |
36 | # )\r | |
37 | #\r | |
38 | # Abstract: Returns physical address of IDTR\r | |
39 | #\r | |
40 | ASM_PFX(ReadIdtBasea):\r | |
41 | push %ebp\r | |
42 | mov %esp,%ebp\r | |
43 | add $0xfffffff8,%esp\r | |
44 | sidtl 0xfffffffa(%ebp)\r | |
45 | mov 0xfffffffc(%ebp),%eax\r | |
46 | leave \r | |
47 | ret \r | |
48 | \r | |
49 | \r | |
50 | \r | |
51 | #------------------------------------------------------------------------------\r | |
52 | # UINT16\r | |
53 | # ReadIdtLimit (\r | |
54 | # void\r | |
55 | # )\r | |
56 | #\r | |
57 | # Abstract: Returns Limit of IDTR\r | |
58 | #\r | |
59 | ASM_PFX(ReadIdtLimita):\r | |
60 | push %ebp\r | |
61 | mov %esp,%ebp\r | |
62 | add $0xfffffff8,%esp\r | |
63 | sidtl 0xfffffffa(%ebp)\r | |
64 | mov 0xfffffffa(%ebp),%ax\r | |
65 | leave \r | |
66 | ret \r | |
67 | \r | |
68 | \r | |
69 | \r |