UefiCpuPkg/CpuMpPei: Remove un-used variables and functions
Cc: Feng Tian <feng.tian@intel.com> Cc: Michael Kinney <michael.d.kinney@intel.com> Cc: Giri Mudusuru <giri.p.mudusuru@intel.com> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Giri P Mudusuru <giri.p.mudusuru@intel.com>
This commit is contained in:
Jeff Fan
parent
9c3d2f9a29
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6d98a37159
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@ -14,30 +14,6 @@
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#include "CpuMpPei.h"
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#include "CpuMpPei.h"
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//
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// Global Descriptor Table (GDT)
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//
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GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = {
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/* selector { Global Segment Descriptor } */
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/* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //null descriptor
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/* 0x08 */ {{0xffff, 0, 0, 0x2, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear data segment descriptor
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/* 0x10 */ {{0xffff, 0, 0, 0xf, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear code segment descriptor
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/* 0x18 */ {{0xffff, 0, 0, 0x3, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor
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/* 0x20 */ {{0xffff, 0, 0, 0xa, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system code segment descriptor
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/* 0x28 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor
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/* 0x30 */ {{0xffff, 0, 0, 0x2, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor
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/* 0x38 */ {{0xffff, 0, 0, 0xa, 1, 0, 1, 0xf, 0, 1, 0, 1, 0}}, //system code segment descriptor
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/* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor
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};
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//
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// IA32 Gdt register
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//
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GLOBAL_REMOVE_IF_UNREFERENCED IA32_DESCRIPTOR mGdt = {
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sizeof (mGdtEntries) - 1,
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(UINTN) mGdtEntries
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};
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR mNotifyList = {
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GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR mNotifyList = {
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(EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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(EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST),
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&gEfiEndOfPeiSignalPpiGuid,
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&gEfiEndOfPeiSignalPpiGuid,
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@ -85,25 +85,6 @@ typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA;
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#pragma pack(1)
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#pragma pack(1)
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typedef union {
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struct {
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UINT32 LimitLow : 16;
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UINT32 BaseLow : 16;
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UINT32 BaseMid : 8;
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UINT32 Type : 4;
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UINT32 System : 1;
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UINT32 Dpl : 2;
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UINT32 Present : 1;
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UINT32 LimitHigh : 4;
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UINT32 Software : 1;
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UINT32 Reserved : 1;
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UINT32 DefaultSize : 1;
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UINT32 Granularity : 1;
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UINT32 BaseHigh : 8;
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} Bits;
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UINT64 Uint64;
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} IA32_GDT;
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//
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//
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// MP CPU exchange information for AP reset code
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// MP CPU exchange information for AP reset code
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// This structure is required to be packed because fixed field offsets
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// This structure is required to be packed because fixed field offsets
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@ -18,9 +18,6 @@
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;
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;
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;-------------------------------------------------------------------------------
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;-------------------------------------------------------------------------------
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PROTECT_MODE_CS equ 10h
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PROTECT_MODE_DS equ 18h
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VacantFlag equ 00h
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VacantFlag equ 00h
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NotVacantFlag equ 0ffh
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NotVacantFlag equ 0ffh
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@ -248,31 +248,4 @@ OtherLoaded:
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ret
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ret
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AsmExchangeRole ENDP
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AsmExchangeRole ENDP
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AsmInitializeGdt PROC near C PUBLIC
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 8] ; Load GDT register
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mov ax,cs ; Get the selector data from our code image
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mov es,ax
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lgdt FWORD PTR es:[edi] ; and update the GDTR
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push PROTECT_MODE_CS
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lea eax, SetCodeSelectorFarJump
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push eax
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retf
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SetCodeSelectorFarJump:
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mov ax, PROTECT_MODE_DS ; Update the Base for the new selectors, too
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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popad
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pop ebp
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ret
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AsmInitializeGdt ENDP
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END
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END
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@ -228,28 +228,3 @@ OtherLoaded:
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popad
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popad
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ret
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ret
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global ASM_PFX(AsmInitializeGdt)
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ASM_PFX(AsmInitializeGdt):
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push ebp
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mov ebp, esp
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pushad
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mov edi, [ebp + 8] ; Load GDT register
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lgdt [edi] ; and update the GDTR
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push PROTECT_MODE_CS
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mov eax, ASM_PFX(SetCodeSelectorFarJump)
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push eax
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retf
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ASM_PFX(SetCodeSelectorFarJump):
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mov ax, PROTECT_MODE_DS ; Update the Base for the new selectors, too
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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popad
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pop ebp
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ret
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@ -18,11 +18,6 @@
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;
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;
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;-------------------------------------------------------------------------------
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;-------------------------------------------------------------------------------
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PROTECT_MODE_CS equ 10h
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PROTECT_MODE_DS equ 18h
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LONG_MODE_CS equ 38h
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LONG_MODE_DS equ 30h
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VacantFlag equ 00h
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VacantFlag equ 00h
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NotVacantFlag equ 0ffh
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NotVacantFlag equ 0ffh
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@ -288,30 +288,4 @@ OtherLoaded:
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ret
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ret
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AsmExchangeRole ENDP
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AsmExchangeRole ENDP
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AsmInitializeGdt PROC
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push rbp
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mov rbp, rsp
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lgdt fword PTR [rcx] ; update the GDTR
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sub rsp, 0x10
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lea rax, SetCodeSelectorFarJump
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mov [rsp], rax
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mov rdx, LONG_MODE_CS
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mov [rsp + 4], dx ; get new CS
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jmp fword ptr [rsp]
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SetCodeSelectorFarJump:
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add rsp, 0x10
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mov rax, LONG_MODE_DS ; get new DS
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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pop rbp
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ret
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AsmInitializeGdt ENDP
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END
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END
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@ -280,30 +280,3 @@ OtherLoaded:
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pop rax
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pop rax
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ret
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ret
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global ASM_PFX(AsmInitializeGdt)
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ASM_PFX(AsmInitializeGdt):
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push rbp
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mov rbp, rsp
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lgdt [rcx] ; update the GDTR
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sub rsp, 0x10
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mov rax, ASM_PFX(SetCodeSelectorFarJump)
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mov [rsp], rax
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mov rdx, LONG_MODE_CS
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mov [rsp + 4], dx ; get new CS
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jmp far dword [rsp] ; far jump with new CS
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ASM_PFX(SetCodeSelectorFarJump):
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add rsp, 0x10
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mov rax, LONG_MODE_DS ; get new DS
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mov ds, ax
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mov es, ax
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mov fs, ax
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mov gs, ax
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mov ss, ax
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pop rbp
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ret
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