projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| fce4ecd9 MM |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;\r | |
| 3 | ; Copyright (c) 2013, Intel Corporation. All rights reserved.<BR>\r | |
| f3342b7a | 4 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| fce4ecd9 MM |
5 | ;\r |
| 6 | ; Module Name:\r | |
| 7 | ;\r | |
| 8 | ; SecEntry.asm\r | |
| 9 | ;\r | |
| 10 | ; Abstract:\r | |
| 11 | ;\r | |
| 12 | ; This is the code that begins in protected mode.\r | |
| 13 | ; It will transfer the control to pei core.\r | |
| 14 | ;\r | |
| 15 | ;------------------------------------------------------------------------------\r | |
| 16 | #include <Base.h>\r | |
| 17 | \r | |
| 18 | .686p\r | |
| 19 | .xmm\r | |
| 20 | .model small, c\r | |
| 21 | \r | |
| 22 | EXTRN SecStartup:NEAR\r | |
| 23 | \r | |
| 24 | ; Pcds\r | |
| 25 | EXTRN PcdGet32 (PcdPayloadFdMemBase):DWORD\r | |
| 26 | \r | |
| 27 | .code\r | |
| 28 | \r | |
| 29 | ;\r | |
| 30 | ; SecCore Entry Point\r | |
| 31 | ;\r | |
| 32 | ; Processor is in flat protected mode\r | |
| 33 | ;\r | |
| 34 | ; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)\r | |
| 35 | ; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r | |
| 36 | ; @param[in] EBP Pointer to the start of the Boot Firmware Volume\r | |
| 37 | ;\r | |
| 38 | ; @return None This routine does not return\r | |
| 39 | ;\r | |
| 40 | \r | |
| 41 | _ModuleEntryPoint PROC PUBLIC \r | |
| 42 | ;\r | |
| 43 | ; Disable all the interrupts\r | |
| 44 | ; \r | |
| 45 | cli\r | |
| 46 | ;\r | |
| 47 | ; Construct the temporary memory at 0x80000, length 0x10000\r | |
| 48 | ;\r | |
| 49 | mov esp, (BASE_512KB + SIZE_64KB)\r | |
| 50 | \r | |
| 51 | ;\r | |
| 52 | ; Pass BFV into the PEI Core\r | |
| 53 | ;\r | |
| 54 | push PcdGet32 (PcdPayloadFdMemBase)\r | |
| 55 | \r | |
| 56 | ;\r | |
| 57 | ; Pass stack base into the PEI Core\r | |
| 58 | ;\r | |
| 59 | push BASE_512KB\r | |
| 60 | \r | |
| 61 | ;\r | |
| 62 | ; Pass stack size into the PEI Core\r | |
| 63 | ;\r | |
| 64 | push SIZE_64KB\r | |
| 65 | \r | |
| 66 | ;\r | |
| 67 | ; Pass Control into the PEI Core\r | |
| 68 | ;\r | |
| 69 | call SecStartup\r | |
| 70 | _ModuleEntryPoint ENDP\r | |
| 71 | \r | |
| 72 | END\r |