projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| cf1d4549 JY |
1 | ;; @file\r |
| 2 | ; Reset Vector Data structure\r | |
| 3 | ; This structure is located at 0xFFFFFFC0\r | |
| 4 | ;\r | |
| 5 | ; Copyright (c) 2014, Intel Corporation. All rights reserved.<BR>\r | |
| 9672cd30 | 6 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| cf1d4549 JY |
7 | ;\r |
| 8 | ;;\r | |
| 9 | \r | |
| 10 | BITS 16\r | |
| 11 | \r | |
| 12 | \r | |
| 13 | ;\r | |
| 14 | ; The layout of this file is fixed. The build tool makes assumption of the layout.\r | |
| 15 | ;\r | |
| 16 | \r | |
| 17 | ORG 0x0\r | |
| 18 | ;\r | |
| 19 | ; Reserved\r | |
| 20 | ;\r | |
| 21 | ReservedData: DD 0eeeeeeeeh, 0eeeeeeeeh\r | |
| 22 | \r | |
| 23 | ; ORG 0x10\r | |
| 24 | TIMES 0x10-($-$$) DB 0\r | |
| 25 | ;\r | |
| 26 | ; This is located at 0xFFFFFFD0h\r | |
| 27 | ;\r | |
| 28 | mov di, "AP"\r | |
| 29 | jmp ApStartup\r | |
| 30 | \r | |
| 31 | ; ORG 0x20\r | |
| 32 | \r | |
| 33 | TIMES 0x20-($-$$) DB 0\r | |
| 34 | \r | |
| 35 | ; Pointer to the entry point of the PEI core\r | |
| 36 | ; It is located at 0xFFFFFFE0, and is fixed up by some build tool\r | |
| 37 | ; So if the value 8..1 appears in the final FD image, tool failure occurs.\r | |
| 38 | ;\r | |
| 39 | PeiCoreEntryPoint: DD 0x12345678\r | |
| 40 | \r | |
| 41 | ;\r | |
| 42 | ; This is the handler for all kinds of exceptions. Since it's for debugging\r | |
| 43 | ; purpose only, nothing except a deadloop would be done here. Developers could\r | |
| 44 | ; analyze the cause of the exception if a debugger had been attached.\r | |
| 45 | ;\r | |
| 46 | InterruptHandler:\r | |
| 47 | jmp $\r | |
| 48 | iret\r | |
| 49 | \r | |
| 50 | ; ORG 0x30\r | |
| 51 | TIMES 0x30-($-$$) DB 0\r | |
| 52 | ;\r | |
| 53 | ; For IA32, the reset vector must be at 0xFFFFFFF0, i.e., 4G-16 byte\r | |
| 54 | ; Execution starts here upon power-on/platform-reset.\r | |
| 55 | ;\r | |
| 56 | ResetHandler:\r | |
| 57 | nop\r | |
| 58 | nop\r | |
| 59 | \r | |
| 60 | ApStartup:\r | |
| 61 | ;\r | |
| 62 | ; Jmp Rel16 instruction\r | |
| 63 | ; Use machine code directly in case of the assembler optimization\r | |
| 64 | ; SEC entry point relatvie address will be fixed up by some build tool.\r | |
| 65 | ;\r | |
| 66 | ; Typically, SEC entry point is the function _ModuleEntryPoint() defined in\r | |
| 67 | ; SecEntry.asm\r | |
| 68 | ;\r | |
| 69 | DB 0x0e9\r | |
| 70 | DW -3\r | |
| 71 | \r | |
| 72 | ; ORG 0x38\r | |
| 73 | \r | |
| 74 | TIMES 0x38-($-$$) DB 0\r | |
| 75 | ;\r | |
| 76 | ; Ap reset vector segment address is at 0xFFFFFFF8\r | |
| 77 | ; This will be fixed up by some build tool,\r | |
| 78 | ; so if the value 1..8 appears in the final FD image,\r | |
| 79 | ; tool failure occurs\r | |
| 80 | ;\r | |
| 81 | ApSegAddress: dd 0x12345678\r | |
| 82 | \r | |
| 83 | ; ORG 0x3c\r | |
| 84 | TIMES 0x3c-($-$$) DB 0\r | |
| 85 | ;\r | |
| 86 | ; BFV Base is at 0xFFFFFFFC\r | |
| 87 | ; This will be fixed up by some build tool,\r | |
| 88 | ; so if the value 1..8 appears in the final FD image,\r | |
| 89 | ; tool failure occurs.\r | |
| 90 | ;\r | |
| 91 | BfvBase: DD 0x12345678\r | |
| 92 | \r | |
| 93 | ;\r | |
| 94 | ; Nothing can go here, otherwise the layout of this file would change.\r | |
| 95 | ;\r | |
| 96 | \r | |
| 97 | ; END\r |