projects / mirror_edk2.git / blame
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|---|---|---|
| fce4ecd9 MM |
1 | #------------------------------------------------------------------------------\r |
| 2 | #\r | |
| 3 | # Copyright (c) 2013, 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 | # Module Name:\r | |
| 13 | #\r | |
| 14 | # SecEntry.S\r | |
| 15 | #\r | |
| 16 | # Abstract:\r | |
| 17 | #\r | |
| 18 | # This is the code that begins in protected mode.\r | |
| 19 | # It will transfer the control to pei core.\r | |
| 20 | #\r | |
| 21 | #------------------------------------------------------------------------------\r | |
| 22 | \r | |
| 23 | ASM_GLOBAL ASM_PFX(SecStartup)\r | |
| 24 | \r | |
| 25 | # Pcds\r | |
| 26 | ASM_GLOBAL ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r | |
| 27 | \r | |
| 28 | #\r | |
| 29 | # SecCore Entry Point\r | |
| 30 | #\r | |
| 31 | # Processor is in flat protected mode\r | |
| 32 | #\r | |
| 33 | # @param[in] EAX Initial value of the EAX register (BIST: Built-in Self Test)\r | |
| 34 | # @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r | |
| 35 | # @param[in] EBP Pointer to the start of the Boot Firmware Volume\r | |
| 36 | #\r | |
| 37 | # @return None This routine does not return\r | |
| 38 | #\r | |
| 39 | ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)\r | |
| 40 | ASM_PFX(_ModuleEntryPoint):\r | |
| 41 | #\r | |
| 42 | # Disable all the interrupts\r | |
| 43 | #\r | |
| 44 | cli\r | |
| 45 | \r | |
| 46 | #\r | |
| 47 | # Construct the temporary memory at 0x80000, length 0x10000\r | |
| 48 | #\r | |
| b6242db9 | 49 | movl $(BASE_512KB + SIZE_64KB), %esp\r |
| fce4ecd9 MM |
50 | \r |
| 51 | #\r | |
| 52 | # Pass BFV into the PEI Core\r | |
| 53 | #\r | |
| 54 | pushl ASM_PFX(PcdGet32 (PcdPayloadFdMemBase))\r | |
| 55 | \r | |
| 56 | #\r | |
| 57 | # Pass stack base into the PEI Core\r | |
| 58 | #\r | |
| 59 | pushl $BASE_512KB\r | |
| 60 | \r | |
| 61 | #\r | |
| 62 | # Pass stack size into the PEI Core\r | |
| 63 | #\r | |
| 64 | pushl $SIZE_64KB\r | |
| 65 | \r | |
| 66 | #\r | |
| 67 | # Pass Control into the PEI Core\r | |
| 68 | #\r | |
| 69 | call SecStartup\r | |
| 70 | \r | |
| 71 | #\r | |
| 72 | # Never return to here\r | |
| 73 | #\r | |
| 74 | jmp .\r |