projects / mirror_edk2.git / blame
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|---|---|---|
| 7cb6b0e0 JJ |
1 | # TITLE SecEntry.asm\r |
| 2 | #------------------------------------------------------------------------------\r | |
| 3 | #*\r | |
| 4 | #* Copyright (c) 2006 - 2013, Intel Corporation. All rights reserved.<BR>\r | |
| 5 | #* This program and the accompanying materials\r | |
| 6 | #* are licensed and made available under the terms and conditions of the BSD License\r | |
| 7 | #* which accompanies this distribution. The full text of the license may be found at\r | |
| 8 | #* http://opensource.org/licenses/bsd-license.php\r | |
| 9 | #*\r | |
| 10 | #* THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r | |
| 11 | #* WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r | |
| 12 | #*\r | |
| 13 | #* CpuAsm.asm\r | |
| 14 | #*\r | |
| 15 | #* Abstract:\r | |
| 16 | #*\r | |
| 17 | #------------------------------------------------------------------------------\r | |
| 18 | \r | |
| 19 | \r | |
| 20 | #include <Base.h>\r | |
| 21 | \r | |
| 22 | #EXTERN ASM_PFX(SecCoreStartupWithStack)\r | |
| 23 | \r | |
| 24 | #\r | |
| 25 | # SecCore Entry Point\r | |
| 26 | #\r | |
| 27 | # Processor is in flat protected mode\r | |
| 28 | #\r | |
| 29 | # @param[in] RAX Initial value of the EAX register (BIST: Built-in Self Test)\r | |
| 30 | # @param[in] DI 'BP': boot-strap processor, or 'AP': application processor\r | |
| 31 | # @param[in] RBP Pointer to the start of the Boot Firmware Volume\r | |
| 32 | #\r | |
| 33 | # @return None This routine does not return\r | |
| 34 | #\r | |
| 35 | ASM_GLOBAL ASM_PFX(_ModuleEntryPoint)\r | |
| 36 | ASM_PFX(_ModuleEntryPoint):\r | |
| 37 | \r | |
| 38 | #\r | |
| 39 | # Load temporary stack top at very low memory. The C code\r | |
| 40 | # can reload to a better address.\r | |
| 41 | #\r | |
| 42 | .set SEC_TOP_OF_STACK, FixedPcdGet32 (PcdOvmfSecPeiTempRamBase) + \\r | |
| 43 | FixedPcdGet32 (PcdOvmfSecPeiTempRamSize)\r | |
| 44 | movq $SEC_TOP_OF_STACK, %rsp \r | |
| 45 | nop\r | |
| 46 | \r | |
| 47 | #\r | |
| 48 | # Setup parameters and call SecCoreStartupWithStack\r | |
| 49 | # rcx: BootFirmwareVolumePtr\r | |
| 50 | # rdx: TopOfCurrentStack\r | |
| 51 | #\r | |
| 52 | movq %rbp, %rcx\r | |
| 53 | movq %rsp, %rdx\r | |
| 54 | subq $0x20, %rsp\r | |
| 55 | call ASM_PFX(SecCoreStartupWithStack)\r | |
| 56 | \r |