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1 | #------------------------------------------------------------------------------\r | |
2 | #\r | |
3 | # Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>\r | |
4 | # This program and the accompanying materials\r | |
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 | # SecEntry.S\r | |
15 | #\r | |
16 | # Abstract:\r | |
17 | #\r | |
18 | # This is the code that begins in protected mode.\r | |
19 | # It will transfer the control to pei core.\r | |
20 | #\r | |
21 | #------------------------------------------------------------------------------\r | |
22 | \r | |
23 | ASM_GLOBAL ASM_PFX(SecStartup)\r | |
24 | \r | |
25 | # Pcds\r | |
26 | ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r | |
27 | \r | |
28 | #\r | |
29 | # SecCore Entry Point\r | |
30 | #\r | |
31 | # Processor is in flat protected mode\r | |
32 | #\r | |
33 | # @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)\r | |
34 | # @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r | |
35 | # @param[in] EBP Pointer to the start of the Boot Firmware Volume\r | |
36 | #\r | |
37 | # @return None This routine does not return\r | |
38 | #\r | |
39 | ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)\r | |
40 | ASM_PFX(_ModuleEntryPoint):\r | |
41 | #\r | |
42 | # Disable all the interrupts\r | |
43 | #\r | |
44 | cli\r | |
45 | \r | |
46 | #\r | |
47 | # Construct the temporary memory at 0x80000, length 0x10000\r | |
48 | #\r | |
49 | movl ($BASE_512KB + $SIZE_64KB), %esp\r | |
50 | \r | |
51 | #\r | |
52 | # Pass BFV into the PEI Core\r | |
53 | #\r | |
54 | pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r | |
55 | \r | |
56 | #\r | |
57 | # Pass stack base into the PEI Core\r | |
58 | #\r | |
59 | pushl $BASE_512KB\r | |
60 | \r | |
61 | #\r | |
62 | # Pass stack size into the PEI Core\r | |
63 | #\r | |
64 | pushl $SIZE_64KB\r | |
65 | \r | |
66 | #\r | |
67 | # Pass Control into the PEI Core\r | |
68 | #\r | |
69 | call SecStartup\r | |
70 | \r | |
71 | #\r | |
72 | # Never return to here\r | |
73 | #\r | |
74 | jmp .\r |