projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| 04af8bf2 DG |
1 | ;------------------------------------------------------------------------------\r |
| 2 | ;\r | |
| 3 | ; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 4 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
| 5 | ;\r | |
| 6 | ; Abstract:\r | |
| 7 | ;\r | |
| 8 | ; Entry point for the coreboot UEFI payload.\r | |
| 9 | ;\r | |
| 10 | ;------------------------------------------------------------------------------\r | |
| 11 | \r | |
| 12 | SECTION .text\r | |
| 13 | \r | |
| 14 | ; C Functions\r | |
| 15 | extern ASM_PFX(SecStartup)\r | |
| 16 | \r | |
| 17 | ; Pcds\r | |
| 18 | extern ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r | |
| 19 | extern ASM_PFX(PcdGet32 (PcdPayloadStackTop))\r | |
| 20 | \r | |
| 21 | ;\r | |
| 22 | ; SecCore Entry Point\r | |
| 23 | ;\r | |
| 24 | ; Processor is in flat protected mode\r | |
| 25 | ;\r | |
| 26 | ; @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)\r | |
| 27 | ; @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r | |
| 28 | ; @param[in] EBP Pointer to the start of the Boot Firmware Volume\r | |
| 29 | ;\r | |
| 30 | ; @return None This routine does not return\r | |
| 31 | ;\r | |
| 32 | global ASM_PFX(_ModuleEntryPoint)\r | |
| 33 | ASM_PFX(_ModuleEntryPoint):\r | |
| 34 | ;\r | |
| 35 | ; Disable all the interrupts\r | |
| 36 | ;\r | |
| 37 | cli\r | |
| 38 | \r | |
| 39 | ;\r | |
| 40 | ; Save the Payload HOB base address before switching the stack\r | |
| 41 | ;\r | |
| 42 | mov eax, [esp + 4]\r | |
| 43 | \r | |
| 44 | ;\r | |
| 45 | ; Construct the temporary memory at 0x80000, length 0x10000\r | |
| 46 | ;\r | |
| 47 | mov esp, DWORD [ASM_PFX(PcdGet32 (PcdPayloadStackTop))]\r | |
| 48 | \r | |
| 49 | ;\r | |
| 50 | ; Push the Payload HOB base address onto new stack\r | |
| 51 | ;\r | |
| 52 | push eax\r | |
| 53 | \r | |
| 54 | ;\r | |
| 55 | ; Pass BFV into the PEI Core\r | |
| 56 | ;\r | |
| 57 | push DWORD [ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))]\r | |
| 58 | \r | |
| 59 | ;\r | |
| 60 | ; Pass stack base into the PEI Core\r | |
| 61 | ;\r | |
| 62 | push BASE_512KB\r | |
| 63 | \r | |
| 64 | ;\r | |
| 65 | ; Pass stack size into the PEI Core\r | |
| 66 | ;\r | |
| 67 | push SIZE_64KB\r | |
| 68 | \r | |
| 69 | ;\r | |
| 70 | ; Pass Control into the PEI Core\r | |
| 71 | ;\r | |
| 72 | call ASM_PFX(SecStartup)\r | |
| 73 | \r | |
| 74 | ;\r | |
| 75 | ; Should never return\r | |
| 76 | ;\r | |
| 77 | jmp $\r | |
| 78 | \r |