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49ba9447 | 1 | ;------------------------------------------------------------------------------\r |
2 | ;\r | |
3 | ; Copyright (c) 2008, Intel Corporation\r | |
4 | ; All rights reserved. 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 | ; JumpToSec.asm\r | |
15 | ;\r | |
16 | ; Abstract:\r | |
17 | ;\r | |
18 | ; Jump from the reset vector binary to SEC\r | |
19 | ;\r | |
20 | ;------------------------------------------------------------------------------\r | |
21 | \r | |
22 | BITS 32\r | |
23 | \r | |
24 | TransitionFrom16RealTo32FlatComplete:\r | |
25 | \r | |
26 | OneTimeCall Flat32SearchForBfvBase\r | |
27 | \r | |
28 | OneTimeCall Flat32SearchForSecAndPeiEntries\r | |
29 | \r | |
30 | ;\r | |
31 | ; ESI - SEC Core entry point\r | |
32 | ; EDI - PEI Core entry point\r | |
33 | ; EBP - Start of BFV\r | |
34 | ;\r | |
35 | ; Jump to SEC Core entry point\r | |
36 | ;\r | |
37 | \r | |
38 | %ifdef ARCH_IA32\r | |
39 | \r | |
40 | jmp esi\r | |
41 | \r | |
42 | %else\r | |
43 | \r | |
44 | OneTimeCall Transition32FlatTo64Flat\r | |
45 | BITS 64\r | |
46 | \r | |
47 | mov rax, 0x00000000ffffffff\r | |
48 | and rsi, rax\r | |
49 | and rdi, rax\r | |
50 | and rbp, rax\r | |
51 | ;\r | |
52 | ; RSI - SEC Core entry point\r | |
53 | ; RDI - PEI Core entry point\r | |
54 | ; RBP - Start of BFV\r | |
55 | ;\r | |
56 | ; Jump to SEC Core entry point\r | |
57 | ;\r | |
58 | \r | |
59 | jmp rsi\r | |
60 | \r | |
61 | %endif\r | |
62 | \r | |
63 | \r |