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