projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| cf1d4549 JY |
1 | ;; @file\r |
| 2 | ; Provide FSP helper function.\r | |
| 3 | ;\r | |
| 4 | ; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>\r | |
| 9672cd30 | 5 | ; SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| cf1d4549 JY |
6 | ;;\r |
| 7 | \r | |
| 8 | SECTION .text\r | |
| 9 | \r | |
| 10 | global ASM_PFX(FspInfoHeaderRelativeOff)\r | |
| 90fadfc0 YS |
11 | ASM_PFX(FspInfoHeaderRelativeOff):\r |
| 12 | DD 0x12345678 ; This value must be patched by the build script\r | |
| cf1d4549 JY |
13 | \r |
| 14 | global ASM_PFX(AsmGetFspBaseAddress)\r | |
| 15 | ASM_PFX(AsmGetFspBaseAddress):\r | |
| 8265373e | 16 | call ASM_PFX(AsmGetFspInfoHeader)\r |
| cf1d4549 JY |
17 | add eax, 0x1C\r |
| 18 | mov eax, dword [eax]\r | |
| 19 | ret\r | |
| 20 | \r | |
| 21 | global ASM_PFX(AsmGetFspInfoHeader)\r | |
| 22 | ASM_PFX(AsmGetFspInfoHeader):\r | |
| 8265373e YS |
23 | call ASM_PFX(NextInstruction)\r |
| 24 | ASM_PFX(NextInstruction):\r | |
| 25 | pop eax\r | |
| 26 | sub eax, ASM_PFX(NextInstruction)\r | |
| 27 | add eax, ASM_PFX(AsmGetFspInfoHeader)\r | |
| 08354c34 | 28 | sub eax, dword [eax - ASM_PFX(AsmGetFspInfoHeader) + ASM_PFX(FspInfoHeaderRelativeOff)]\r |
| cf1d4549 | 29 | ret\r |
| 90fadfc0 YS |
30 | \r |
| 31 | global ASM_PFX(AsmGetFspInfoHeaderNoStack)\r | |
| 32 | ASM_PFX(AsmGetFspInfoHeaderNoStack):\r | |
| 33 | mov eax, ASM_PFX(AsmGetFspInfoHeader)\r | |
| 34 | sub eax, dword [ASM_PFX(FspInfoHeaderRelativeOff)]\r | |
| 35 | jmp edi\r |