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| author | Liming Gao <liming.gao@intel.com> | 2016-06-14 16:24:02 +0800 |
|---|---|---|
| committer | Liming Gao <liming.gao@intel.com> | 2016-06-28 09:52:13 +0800 |
| commit | 6997711e7fd6733363bae21c4398fcc239f7aa41 (patch) | |
| tree | 2c28ad6949c2104e22a9e33180fc8fa5f9a4d24b /UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm | |
| parent | ac6229a7b8f47a5f317ad0923da50e8bc6cb93a9 (diff) | |
| download | edk2-6997711e7fd6733363bae21c4398fcc239f7aa41.tar.gz edk2-6997711e7fd6733363bae21c4398fcc239f7aa41.tar.bz2 edk2-6997711e7fd6733363bae21c4398fcc239f7aa41.zip | |
UefiCpuPkg PiSmmCpuDxeSmm: Convert Ia32/MpFuncs.asm to NASM
The BaseTools/Scripts/ConvertMasmToNasm.py script was used to convert
Ia32/MpFuncs.asm to Ia32/MpFuncs.nasm.
And, manually update it to pass build.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
Diffstat (limited to 'UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm')
| -rw-r--r-- | UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm new file mode 100644 index 0000000000..fceaaf2689 --- /dev/null +++ b/UefiCpuPkg/PiSmmCpuDxeSmm/Ia32/MpFuncs.nasm @@ -0,0 +1,164 @@ +;------------------------------------------------------------------------------ ;
+; 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:
+;
+; MpFuncs.nasm
+;
+; Abstract:
+;
+; This is the assembly code for Multi-processor S3 support
+;
+;-------------------------------------------------------------------------------
+
+SECTION .text
+
+extern ASM_PFX(InitializeFloatingPointUnits)
+
+%define VacantFlag 0x0
+%define NotVacantFlag 0xff
+
+%define LockLocation RendezvousFunnelProcEnd - RendezvousFunnelProcStart
+%define StackStart LockLocation + 0x4
+%define StackSize LockLocation + 0x8
+%define RendezvousProc LockLocation + 0xC
+%define GdtrProfile LockLocation + 0x10
+%define IdtrProfile LockLocation + 0x16
+%define BufferStart LockLocation + 0x1C
+
+;-------------------------------------------------------------------------------------
+;RendezvousFunnelProc procedure follows. All APs execute their procedure. This
+;procedure serializes all the AP processors through an Init sequence. It must be
+;noted that APs arrive here very raw...ie: real mode, no stack.
+;ALSO THIS PROCEDURE IS EXECUTED BY APs ONLY ON 16 BIT MODE. HENCE THIS PROC
+;IS IN MACHINE CODE.
+;-------------------------------------------------------------------------------------
+;RendezvousFunnelProc (&WakeUpBuffer,MemAddress);
+
+global ASM_PFX(RendezvousFunnelProc)
+ASM_PFX(RendezvousFunnelProc):
+RendezvousFunnelProcStart:
+
+; At this point CS = 0x(vv00) and ip= 0x0.
+
+ db 0x8c, 0xc8 ; mov ax, cs
+ db 0x8e, 0xd8 ; mov ds, ax
+ db 0x8e, 0xc0 ; mov es, ax
+ db 0x8e, 0xd0 ; mov ss, ax
+ db 0x33, 0xc0 ; xor ax, ax
+ db 0x8e, 0xe0 ; mov fs, ax
+ db 0x8e, 0xe8 ; mov gs, ax
+
+flat32Start:
+
+ db 0xBE
+ dw BufferStart ; mov si, BufferStart
+ db 0x66, 0x8B, 0x14 ; mov edx,dword ptr [si] ; EDX is keeping the start address of wakeup buffer
+
+ db 0xBE
+ dw GdtrProfile ; mov si, GdtrProfile
+ db 0x66 ; db 66h
+ db 0x2E, 0xF, 0x1, 0x14 ; lgdt fword ptr cs:[si]
+
+ db 0xBE
+ dw IdtrProfile ; mov si, IdtrProfile
+ db 0x66 ; db 66h
+ db 0x2E, 0xF, 0x1, 0x1C ; lidt fword ptr cs:[si]
+
+ db 0x33, 0xC0 ; xor ax, ax
+ db 0x8E, 0xD8 ; mov ds, ax
+
+ db 0xF, 0x20, 0xC0 ; mov eax, cr0 ; Get control register 0
+ db 0x66, 0x83, 0xC8, 0x1 ; or eax, 000000001h ; Set PE bit (bit #0)
+ db 0xF, 0x22, 0xC0 ; mov cr0, eax
+
+FLAT32_JUMP:
+
+ db 0x66, 0x67, 0xEA ; far jump
+ dd 0x0 ; 32-bit offset
+ dw 0x20 ; 16-bit selector
+
+PMODE_ENTRY: ; protected mode entry point
+
+ mov ax, 0x8
+o16 mov ds, ax
+o16 mov es, ax
+o16 mov fs, ax
+o16 mov gs, ax
+o16 mov ss, ax ; Flat mode setup.
+
+ mov esi, edx
+
+ mov edi, esi
+ add edi, LockLocation
+ mov al, NotVacantFlag
+TestLock:
+ xchg byte [edi], al
+ cmp al, NotVacantFlag
+ jz TestLock
+
+ProgramStack:
+
+ mov edi, esi
+ add edi, StackSize
+ mov eax, dword [edi]
+ mov edi, esi
+ add edi, StackStart
+ add eax, dword [edi]
+ mov esp, eax
+ mov dword [edi], eax
+
+Releaselock:
+
+ mov al, VacantFlag
+ mov edi, esi
+ add edi, LockLocation
+ xchg byte [edi], al
+
+ ;
+ ; Call assembly function to initialize FPU.
+ ;
+ mov ebx, ASM_PFX(InitializeFloatingPointUnits)
+ call ebx
+ ;
+ ; Call C Function
+ ;
+ mov edi, esi
+ add edi, RendezvousProc
+ mov eax, dword [edi]
+
+ test eax, eax
+ jz GoToSleep
+ call eax ; Call C function
+
+GoToSleep:
+ cli
+ hlt
+ jmp $-2
+
+RendezvousFunnelProcEnd:
+;-------------------------------------------------------------------------------------
+; AsmGetAddressMap (&AddressMap);
+;-------------------------------------------------------------------------------------
+global ASM_PFX(AsmGetAddressMap)
+ASM_PFX(AsmGetAddressMap):
+
+ pushad
+ mov ebp,esp
+
+ mov ebx, dword [ebp+0x24]
+ mov dword [ebx], RendezvousFunnelProcStart
+ mov dword [ebx+0x4], PMODE_ENTRY - RendezvousFunnelProcStart
+ mov dword [ebx+0x8], FLAT32_JUMP - RendezvousFunnelProcStart
+ mov dword [ebx+0xc], RendezvousFunnelProcEnd - RendezvousFunnelProcStart
+
+ popad
+ ret
+
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