diff options
Diffstat (limited to 'IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.asm')
-rw-r--r-- | IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.asm | 131 |
1 files changed, 0 insertions, 131 deletions
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.asm b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.asm deleted file mode 100644 index 9f144fc4ca..0000000000 --- a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.asm +++ /dev/null @@ -1,131 +0,0 @@ -;; @file
-; This is the code that goes from real-mode to protected mode.
-; It consumes the reset vector, configures the stack.
-;
-; Copyright (c) 2015 - 2016, Intel Corporation. All rights reserved.<BR>
-; This program and the accompanying materials
-; are licensed and made available under the terms and conditions of the BSD License
-; which accompanies this distribution. The full text of the license may be found at
-; http://opensource.org/licenses/bsd-license.php.
-;
-; THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
-; WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-;;
-
-;
-; Define assembler characteristics
-;
-.586p
-.xmm
-.model flat, c
-
-EXTRN TempRamInitApi:NEAR
-
-.code
-
-RET_ESI MACRO
-
- movd esi, mm7 ; restore ESP from MM7
- jmp esi
-
-ENDM
-
-;
-; Perform early platform initialization
-;
-SecPlatformInit PROC NEAR PUBLIC
-
- RET_ESI
-
-SecPlatformInit ENDP
-
-;
-; Protected mode portion initializes stack, configures cache, and calls C entry point
-;
-
-;----------------------------------------------------------------------------
-;
-; Procedure: ProtectedModeEntryPoint
-;
-; Input: Executing in 32 Bit Protected (flat) mode
-; cs: 0-4GB
-; ds: 0-4GB
-; es: 0-4GB
-; fs: 0-4GB
-; gs: 0-4GB
-; ss: 0-4GB
-;
-; Output: This function never returns
-;
-; Destroys:
-; ecx
-; edi
-; esi
-; esp
-;
-; Description:
-; Perform any essential early platform initilaisation
-; Setup a stack
-;
-;----------------------------------------------------------------------------
-
-ProtectedModeEntryPoint PROC NEAR C PUBLIC
- ;
- ; Dummy function. Consume 2 API to make sure they can be linked.
- ;
- mov eax, TempRamInitApi
-
- ; Should never return
- jmp $
-
-ProtectedModeEntryPoint ENDP
-
-;
-; ROM-based Global-Descriptor Table for the PEI Phase
-;
-align 16
-PUBLIC BootGdtTable
-
-;
-; GDT[0]: 0x00: Null entry, never used.
-;
-NULL_SEL equ $ - GDT_BASE ; Selector [0]
-GDT_BASE:
-BootGdtTable DD 0
- DD 0
-;
-; Linear code segment descriptor
-;
-LINEAR_CODE_SEL equ $ - GDT_BASE ; Selector [0x8]
- DW 0FFFFh ; limit 0xFFFF
- DW 0 ; base 0
- DB 0
- DB 09Bh ; present, ring 0, data, expand-up, not-writable
- DB 0CFh ; page-granular, 32-bit
- DB 0
-;
-; System data segment descriptor
-;
-SYS_DATA_SEL equ $ - GDT_BASE ; Selector [0x10]
- DW 0FFFFh ; limit 0xFFFF
- DW 0 ; base 0
- DB 0
- DB 093h ; present, ring 0, data, expand-up, not-writable
- DB 0CFh ; page-granular, 32-bit
- DB 0
-
-GDT_SIZE EQU $ - BootGDTtable ; Size, in bytes
-
-;
-; GDT Descriptor
-;
-GdtDesc: ; GDT descriptor
- DW GDT_SIZE - 1 ; GDT limit
- DD OFFSET BootGdtTable ; GDT base address
-
-ProtectedModeEntryLinearAddress LABEL FWORD
-ProtectedModeEntryLinearOffset LABEL DWORD
- DD OFFSET ProtectedModeEntryPoint ; Offset of our 32 bit code
- DW LINEAR_CODE_SEL
-
-END
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