IntelFsp2WrapperPkg SecFspWrapperPlatformSecLibSample: Convert ASM to NASM

Manually converts Ia32/PeiCoreEntry.asm, Ia32/SecEntry.asm and Ia32/Stack.asm
to Ia32/PeiCoreEntry.nasm, Ia32/SecEntry.nasm and Ia32/Stack.nasm.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>

4 files changed, 559 insertions, 0 deletions

diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/PeiCoreEntry.nasm b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/PeiCoreEntry.nasm
new file mode 100644
index 0000000000..a51c49872c
--- /dev/null
+++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/PeiCoreEntry.nasm
@@ -0,0 +1,136 @@
+;------------------------------------------------------------------------------

+;

+; Copyright (c) 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.

+;

+; Module Name:

+;

+;  PeiCoreEntry.nasm

+;

+; Abstract:

+;

+;   Find and call SecStartup

+;

+;------------------------------------------------------------------------------

+

+SECTION .text

+

+extern ASM_PFX(SecStartup)

+extern ASM_PFX(PlatformInit)

+

+global ASM_PFX(CallPeiCoreEntryPoint)

+ASM_PFX(CallPeiCoreEntryPoint):

+  ;

+  ; Obtain the hob list pointer

+  ;

+  mov     eax, [esp+4]

+  ;

+  ; Obtain the stack information

+  ;   ECX: start of range

+  ;   EDX: end of range

+  ;

+  mov     ecx, [esp+8]

+  mov     edx, [esp+0xC]

+

+  ;

+  ; Platform init

+  ;

+  pushad

+  push edx

+  push ecx

+  push eax

+  call ASM_PFX(PlatformInit)

+  pop  eax

+  pop  eax

+  pop  eax

+  popad

+

+  ;

+  ; Set stack top pointer

+  ;

+  mov     esp, edx

+

+  ;

+  ; Push the hob list pointer

+  ;

+  push    eax

+

+  ;

+  ; Save the value

+  ;   ECX: start of range

+  ;   EDX: end of range

+  ;

+  mov     ebp, esp

+  push    ecx

+  push    edx

+

+  ;

+  ; Push processor count to stack first, then BIST status (AP then BSP)

+  ;

+  mov     eax, 1

+  cpuid

+  shr     ebx, 16

+  and     ebx, 0xFF

+  cmp     bl, 1

+  jae     PushProcessorCount

+

+  ;

+  ; Some processors report 0 logical processors.  Effectively 0 = 1.

+  ; So we fix up the processor count

+  ;

+  inc     ebx

+

+PushProcessorCount:

+  push    ebx

+

+  ;

+  ; We need to implement a long-term solution for BIST capture.  For now, we just copy BSP BIST

+  ; for all processor threads

+  ;

+  xor     ecx, ecx

+  mov     cl, bl

+PushBist:

+  movd    eax, mm0

+  push    eax

+  loop    PushBist

+

+  ; Save Time-Stamp Counter

+  movd eax, mm5

+  push eax

+

+  movd eax, mm6

+  push eax

+

+  ;

+  ; Pass entry point of the PEI core

+  ;

+  mov     edi, 0xFFFFFFE0

+  push    DWORD [edi]

+

+  ;

+  ; Pass BFV into the PEI Core

+  ;

+  mov     edi, 0xFFFFFFFC

+  push    DWORD [edi]

+

+  ;

+  ; Pass stack size into the PEI Core

+  ;

+  mov     ecx, [ebp - 4]

+  mov     edx, [ebp - 8]

+  push    ecx       ; RamBase

+

+  sub     edx, ecx

+  push    edx       ; RamSize

+

+  ;

+  ; Pass Control into the PEI Core

+  ;

+  call ASM_PFX(SecStartup)

+

diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/SecEntry.nasm b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/SecEntry.nasm
new file mode 100644
index 0000000000..8bae7c55db
--- /dev/null
+++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/SecEntry.nasm
@@ -0,0 +1,341 @@
+;------------------------------------------------------------------------------

+;

+; Copyright (c) 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.

+;

+; Module Name:

+;

+;  SecEntry.asm

+;

+; Abstract:

+;

+;  This is the code that goes from real-mode to protected mode.

+;  It consumes the reset vector, calls TempRamInit API from FSP binary.

+;

+;------------------------------------------------------------------------------

+

+#include "Fsp.h"

+

+SECTION .text

+

+extern   ASM_PFX(CallPeiCoreEntryPoint)

+extern   ASM_PFX(FsptUpdDataPtr)

+

+; Pcds

+extern   ASM_PFX(PcdGet32 (PcdFsptBaseAddress))

+

+;----------------------------------------------------------------------------

+;

+; Procedure:    _ModuleEntryPoint

+;

+; Input:        None

+;

+; Output:       None

+;

+; Destroys:     Assume all registers

+;

+; Description:

+;

+;   Transition to non-paged flat-model protected mode from a

+;   hard-coded GDT that provides exactly two descriptors.

+;   This is a bare bones transition to protected mode only

+;   used for a while in PEI and possibly DXE.

+;

+;   After enabling protected mode, a far jump is executed to

+;   transfer to PEI using the newly loaded GDT.

+;

+; Return:       None

+;

+;  MMX Usage:

+;              MM0 = BIST State

+;              MM5 = Save time-stamp counter value high32bit

+;              MM6 = Save time-stamp counter value low32bit.

+;

+;----------------------------------------------------------------------------

+

+BITS 16

+align 4

+global ASM_PFX(ModuleEntryPoint)

+ASM_PFX(ModuleEntryPoint):

+  fninit                                ; clear any pending Floating point exceptions

+  ;

+  ; Store the BIST value in mm0

+  ;

+  movd    mm0, eax

+

+  ;

+  ; Save time-stamp counter value

+  ; rdtsc load 64bit time-stamp counter to EDX:EAX

+  ;

+  rdtsc

+  movd    mm5, edx

+  movd    mm6, eax

+

+  ;

+  ; Load the GDT table in GdtDesc

+  ;

+  mov     esi,  GdtDesc

+  DB      66h

+  lgdt    [cs:si]

+

+  ;

+  ; Transition to 16 bit protected mode

+  ;

+  mov     eax, cr0                   ; Get control register 0

+  or      eax, 00000003h             ; Set PE bit (bit #0) & MP bit (bit #1)

+  mov     cr0, eax                   ; Activate protected mode

+

+  mov     eax, cr4                   ; Get control register 4

+  or      eax, 00000600h             ; Set OSFXSR bit (bit #9) & OSXMMEXCPT bit (bit #10)

+  mov     cr4, eax

+

+  ;

+  ; Now we're in 16 bit protected mode

+  ; Set up the selectors for 32 bit protected mode entry

+  ;

+  mov     ax, SYS_DATA_SEL

+  mov     ds, ax

+  mov     es, ax

+  mov     fs, ax

+  mov     gs, ax

+  mov     ss, ax

+

+  ;

+  ; Transition to Flat 32 bit protected mode

+  ; The jump to a far pointer causes the transition to 32 bit mode

+  ;

+  mov esi, ProtectedModeEntryLinearAddress

+  jmp   dword far  [cs:si]

+

+;----------------------------------------------------------------------------

+;

+; Procedure:    ProtectedModeEntryPoint

+;

+; Input:        None

+;

+; Output:       None

+;

+; Destroys:     Assume all registers

+;

+; Description:

+;

+; This function handles:

+;   Call two basic APIs from FSP binary

+;   Initializes stack with some early data (BIST, PEI entry, etc)

+;

+; Return:       None

+;

+;----------------------------------------------------------------------------

+

+BITS 32

+align 4

+ProtectedModeEntryPoint:

+

+  ; Find the fsp info header

+  mov  edi, [ASM_PFX(PcdGet32 (PcdFsptBaseAddress))]

+

+  mov  eax, dword [edi + FVH_SIGINATURE_OFFSET]

+  cmp  eax, FVH_SIGINATURE_VALID_VALUE

+  jnz  FspHeaderNotFound

+

+  xor  eax, eax

+  mov  ax, word [edi + FVH_EXTHEADER_OFFSET_OFFSET]

+  cmp  ax, 0

+  jnz  FspFvExtHeaderExist

+

+  xor  eax, eax

+  mov  ax, word [edi + FVH_HEADER_LENGTH_OFFSET]   ; Bypass Fv Header

+  add  edi, eax

+  jmp  FspCheckFfsHeader

+

+FspFvExtHeaderExist:

+  add  edi, eax

+  mov  eax, dword [edi + FVH_EXTHEADER_SIZE_OFFSET]  ; Bypass Ext Fv Header

+  add  edi, eax

+

+  ; Round up to 8 byte alignment

+  mov  eax, edi

+  and  al,  07h

+  jz   FspCheckFfsHeader

+

+  and  edi, 0FFFFFFF8h

+  add  edi, 08h

+

+FspCheckFfsHeader:

+  ; Check the ffs guid

+  mov  eax, dword [edi]

+  cmp  eax, FSP_HEADER_GUID_DWORD1

+  jnz  FspHeaderNotFound

+

+  mov  eax, dword [edi + 4]

+  cmp  eax, FSP_HEADER_GUID_DWORD2

+  jnz  FspHeaderNotFound

+

+  mov  eax, dword [edi + 8]

+  cmp  eax, FSP_HEADER_GUID_DWORD3

+  jnz  FspHeaderNotFound

+

+  mov  eax, dword [edi + 0Ch]

+  cmp  eax, FSP_HEADER_GUID_DWORD4

+  jnz  FspHeaderNotFound

+

+  add  edi, FFS_HEADER_SIZE_VALUE       ; Bypass the ffs header

+

+  ; Check the section type as raw section

+  mov  al, byte [edi + SECTION_HEADER_TYPE_OFFSET]

+  cmp  al, 019h

+  jnz FspHeaderNotFound

+

+  add  edi, RAW_SECTION_HEADER_SIZE_VALUE ; Bypass the section header

+  jmp FspHeaderFound

+

+FspHeaderNotFound:

+  jmp  $

+

+FspHeaderFound:

+  ; Get the fsp TempRamInit Api address

+  mov eax, dword [edi + FSP_HEADER_IMAGEBASE_OFFSET]

+  add eax, dword [edi + FSP_HEADER_TEMPRAMINIT_OFFSET]

+

+  ; Setup the hardcode stack

+  mov esp, TempRamInitStack

+

+  ; Call the fsp TempRamInit Api

+  jmp eax

+

+TempRamInitDone:

+  cmp eax, 8000000Eh      ;Check if EFI_NOT_FOUND returned. Error code for Microcode Update not found.

+  je  CallSecFspInit      ;If microcode not found, don't hang, but continue.

+

+  cmp eax, 0              ;Check if EFI_SUCCESS retuned.

+  jnz FspApiFailed

+

+  ;   ECX: start of range

+  ;   EDX: end of range

+CallSecFspInit:

+  xor     eax, eax

+  mov     esp, edx

+

+  ; Align the stack at DWORD

+  add  esp,  3

+  and  esp, 0FFFFFFFCh

+

+  push    edx

+  push    ecx

+  push    eax ; zero - no hob list yet

+  call    ASM_PFX(CallPeiCoreEntryPoint)

+

+FspApiFailed:

+  jmp $

+

+align 10h

+TempRamInitStack:

+    DD  TempRamInitDone

+    DD  ASM_PFX(FsptUpdDataPtr); TempRamInitParams

+

+;

+; ROM-based Global-Descriptor Table for the Tiano PEI Phase

+;

+align 16

+global  ASM_PFX(BootGdtTable)

+

+;

+; GDT[0]: 0x00: Null entry, never used.

+;

+NULL_SEL            EQU $ - GDT_BASE    ; Selector [0]

+GDT_BASE:

+ASM_PFX(BootGdtTable):

+                    DD  0

+                    DD  0

+;

+; Linear data segment descriptor

+;

+LINEAR_SEL          EQU $ - GDT_BASE    ; Selector [0x8]

+    DW  0FFFFh                          ; limit 0xFFFFF

+    DW  0                               ; base 0

+    DB  0

+    DB  092h                            ; present, ring 0, data, expand-up, writable

+    DB  0CFh                            ; page-granular, 32-bit

+    DB  0

+;

+; Linear code segment descriptor

+;

+LINEAR_CODE_SEL     EQU $ - GDT_BASE    ; Selector [0x10]

+    DW  0FFFFh                          ; limit 0xFFFFF

+    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 [0x18]

+    DW  0FFFFh                          ; limit 0xFFFFF

+    DW  0                               ; base 0

+    DB  0

+    DB  093h                            ; present, ring 0, data, expand-up, not-writable

+    DB  0CFh                            ; page-granular, 32-bit

+    DB  0

+

+;

+; System code segment descriptor

+;

+SYS_CODE_SEL        EQU $ - GDT_BASE    ; Selector [0x20]

+    DW  0FFFFh                          ; limit 0xFFFFF

+    DW  0                               ; base 0

+    DB  0

+    DB  09Ah                            ; present, ring 0, data, expand-up, writable

+    DB  0CFh                            ; page-granular, 32-bit

+    DB  0

+;

+; Spare segment descriptor

+;

+SYS16_CODE_SEL      EQU $ - GDT_BASE    ; Selector [0x28]

+    DW  0FFFFh                          ; limit 0xFFFFF

+    DW  0                               ; base 0

+    DB  0Eh                             ; Changed from F000 to E000.

+    DB  09Bh                            ; present, ring 0, code, expand-up, writable

+    DB  00h                             ; byte-granular, 16-bit

+    DB  0

+;

+; Spare segment descriptor

+;

+SYS16_DATA_SEL      EQU $ - GDT_BASE    ; Selector [0x30]

+    DW  0FFFFh                          ; limit 0xFFFF

+    DW  0                               ; base 0

+    DB  0

+    DB  093h                            ; present, ring 0, data, expand-up, not-writable

+    DB  00h                             ; byte-granular, 16-bit

+    DB  0

+

+;

+; Spare segment descriptor

+;

+SPARE5_SEL          EQU $ - GDT_BASE    ; Selector [0x38]

+    DW  0                               ; limit 0

+    DW  0                               ; base 0

+    DB  0

+    DB  0                               ; present, ring 0, data, expand-up, writable

+    DB  0                               ; page-granular, 32-bit

+    DB  0

+GDT_SIZE            EQU $ - GDT_BASE    ; Size, in bytes

+

+;

+; GDT Descriptor

+;

+GdtDesc:                                ; GDT descriptor

+    DW  GDT_SIZE - 1                    ; GDT limit

+    DD  GDT_BASE                        ; GDT base address

+

+

+ProtectedModeEntryLinearAddress:

+ProtectedModeEntryLinear:

+  DD      ProtectedModeEntryPoint  ; Offset of our 32 bit code

+  DW      LINEAR_CODE_SEL

diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/Stack.nasm b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/Stack.nasm
new file mode 100644
index 0000000000..304678d940
--- /dev/null
+++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/Ia32/Stack.nasm
@@ -0,0 +1,79 @@
+;------------------------------------------------------------------------------

+;

+; Copyright (c) 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.

+;

+; Abstract:

+;

+;   Switch the stack from temporary memory to permenent memory.

+;

+;------------------------------------------------------------------------------

+

+    SECTION .text

+

+;------------------------------------------------------------------------------

+; VOID

+; EFIAPI

+; SecSwitchStack (

+;   UINT32   TemporaryMemoryBase,

+;   UINT32   PermanentMemoryBase

+;   );

+;------------------------------------------------------------------------------

+global ASM_PFX(SecSwitchStack)

+ASM_PFX(SecSwitchStack):

+    ;

+    ; Save three register: eax, ebx, ecx

+    ;

+    push  eax

+    push  ebx

+    push  ecx

+    push  edx

+

+    ;

+    ; !!CAUTION!! this function address's is pushed into stack after

+    ; migration of whole temporary memory, so need save it to permanent

+    ; memory at first!

+    ;

+

+    mov   ebx, [esp + 20]          ; Save the first parameter

+    mov   ecx, [esp + 24]          ; Save the second parameter

+

+    ;

+    ; Save this function's return address into permanent memory at first.

+    ; Then, Fixup the esp point to permanent memory

+    ;

+    mov   eax, esp

+    sub   eax, ebx

+    add   eax, ecx

+    mov   edx, dword [esp]         ; copy pushed register's value to permanent memory

+    mov   dword [eax], edx

+    mov   edx, dword [esp + 4]

+    mov   dword [eax + 4], edx

+    mov   edx, dword [esp + 8]

+    mov   dword [eax + 8], edx

+    mov   edx, dword [esp + 12]

+    mov   dword [eax + 12], edx

+    mov   edx, dword [esp + 16]    ; Update this function's return address into permanent memory

+    mov   dword [eax + 16], edx

+    mov   esp, eax                     ; From now, esp is pointed to permanent memory

+

+    ;

+    ; Fixup the ebp point to permanent memory

+    ;

+    mov   eax, ebp

+    sub   eax, ebx

+    add   eax, ecx

+    mov   ebp, eax                ; From now, ebp is pointed to permanent memory

+

+    pop   edx

+    pop   ecx

+    pop   ebx

+    pop   eax

+    ret

+

diff --git a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecFspWrapperPlatformSecLibSample.inf b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecFspWrapperPlatformSecLibSample.inf
index 30393d2842..5945319eac 100644
--- a/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecFspWrapperPlatformSecLibSample.inf
+++ b/IntelFsp2WrapperPkg/Library/SecFspWrapperPlatformSecLibSample/SecFspWrapperPlatformSecLibSample.inf
@@ -53,6 +53,9 @@
   Ia32/SecEntry.S

   Ia32/PeiCoreEntry.S

   Ia32/Stack.S

+  Ia32/SecEntry.nasm

+  Ia32/PeiCoreEntry.nasm

+  Ia32/Stack.nasm

 

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