blob: 3a3f76ed6be4a563a55ed518b34c899f711031d4 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
|
#------------------------------------------------------------------------------
#
# Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>
# This program and the accompanying materials
# are licensed and made available under the terms and conditions of the BSD License
# which accompanies this distribution. The full text of the license may be found at
# http://opensource.org/licenses/bsd-license.php.
#
# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
#
# Module Name:
#
# SecEntry.S
#
# Abstract:
#
# This is the code that begins in protected mode.
# It will transfer the control to pei core.
#
#------------------------------------------------------------------------------
ASM_GLOBAL ASM_PFX(SecStartup)
# Pcds
ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))
#
# SecCore Entry Point
#
# Processor is in flat protected mode
#
# @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)
# @param[in] DI 'BP': boot-strap processor, or 'AP': application processor
# @param[in] EBP Pointer to the start of the Boot Firmware Volume
#
# @return None This routine does not return
#
ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)
ASM_PFX(_ModuleEntryPoint):
#
# Disable all the interrupts
#
cli
#
# Construct the temporary memory at 0x80000, length 0x10000
#
movl $(BASE_512KB + SIZE_64KB), %esp
#
# Pass BFV into the PEI Core
#
pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))
#
# Pass stack base into the PEI Core
#
pushl $BASE_512KB
#
# Pass stack size into the PEI Core
#
pushl $SIZE_64KB
#
# Pass Control into the PEI Core
#
call SecStartup
#
# Never return to here
#
jmp .
|