From 6d98a371593cbeee89001182a50f144f074893e2 Mon Sep 17 00:00:00 2001 From: Jeff Fan Date: Mon, 11 Jul 2016 19:52:00 +0800 Subject: UefiCpuPkg/CpuMpPei: Remove un-used variables and functions Cc: Feng Tian Cc: Michael Kinney Cc: Giri Mudusuru Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jeff Fan Reviewed-by: Giri P Mudusuru --- UefiCpuPkg/CpuMpPei/CpuMpPei.c | 24 ------------------------ UefiCpuPkg/CpuMpPei/CpuMpPei.h | 19 ------------------- UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc | 3 --- UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm | 27 --------------------------- UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm | 25 ------------------------- UefiCpuPkg/CpuMpPei/X64/MpEqu.inc | 5 ----- UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm | 26 -------------------------- UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm | 27 --------------------------- 8 files changed, 156 deletions(-) (limited to 'UefiCpuPkg') diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.c b/UefiCpuPkg/CpuMpPei/CpuMpPei.c index 5a1a64888c..bfaaa7a6b0 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.c +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.c @@ -14,30 +14,6 @@ #include "CpuMpPei.h" -// -// Global Descriptor Table (GDT) -// -GLOBAL_REMOVE_IF_UNREFERENCED IA32_GDT mGdtEntries[] = { -/* selector { Global Segment Descriptor } */ -/* 0x00 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //null descriptor -/* 0x08 */ {{0xffff, 0, 0, 0x2, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear data segment descriptor -/* 0x10 */ {{0xffff, 0, 0, 0xf, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //linear code segment descriptor -/* 0x18 */ {{0xffff, 0, 0, 0x3, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor -/* 0x20 */ {{0xffff, 0, 0, 0xa, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system code segment descriptor -/* 0x28 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor -/* 0x30 */ {{0xffff, 0, 0, 0x2, 1, 0, 1, 0xf, 0, 0, 1, 1, 0}}, //system data segment descriptor -/* 0x38 */ {{0xffff, 0, 0, 0xa, 1, 0, 1, 0xf, 0, 1, 0, 1, 0}}, //system code segment descriptor -/* 0x40 */ {{0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}}, //spare segment descriptor -}; - -// -// IA32 Gdt register -// -GLOBAL_REMOVE_IF_UNREFERENCED IA32_DESCRIPTOR mGdt = { - sizeof (mGdtEntries) - 1, - (UINTN) mGdtEntries - }; - GLOBAL_REMOVE_IF_UNREFERENCED EFI_PEI_NOTIFY_DESCRIPTOR mNotifyList = { (EFI_PEI_PPI_DESCRIPTOR_NOTIFY_CALLBACK | EFI_PEI_PPI_DESCRIPTOR_TERMINATE_LIST), &gEfiEndOfPeiSignalPpiGuid, diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h index 4c114decb6..ef21450365 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h @@ -85,25 +85,6 @@ typedef struct _PEI_CPU_MP_DATA PEI_CPU_MP_DATA; #pragma pack(1) -typedef union { - struct { - UINT32 LimitLow : 16; - UINT32 BaseLow : 16; - UINT32 BaseMid : 8; - UINT32 Type : 4; - UINT32 System : 1; - UINT32 Dpl : 2; - UINT32 Present : 1; - UINT32 LimitHigh : 4; - UINT32 Software : 1; - UINT32 Reserved : 1; - UINT32 DefaultSize : 1; - UINT32 Granularity : 1; - UINT32 BaseHigh : 8; - } Bits; - UINT64 Uint64; -} IA32_GDT; - // // MP CPU exchange information for AP reset code // This structure is required to be packed because fixed field offsets diff --git a/UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc b/UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc index a88185ed08..50111e5023 100644 --- a/UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc +++ b/UefiCpuPkg/CpuMpPei/Ia32/MpEqu.inc @@ -18,9 +18,6 @@ ; ;------------------------------------------------------------------------------- -PROTECT_MODE_CS equ 10h -PROTECT_MODE_DS equ 18h - VacantFlag equ 00h NotVacantFlag equ 0ffh diff --git a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm index 97fdd9ef97..d0b0088729 100644 --- a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm +++ b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm @@ -248,31 +248,4 @@ OtherLoaded: ret AsmExchangeRole ENDP -AsmInitializeGdt PROC near C PUBLIC - push ebp - mov ebp, esp - pushad - mov edi, [ebp + 8] ; Load GDT register - - mov ax,cs ; Get the selector data from our code image - mov es,ax - lgdt FWORD PTR es:[edi] ; and update the GDTR - - push PROTECT_MODE_CS - lea eax, SetCodeSelectorFarJump - push eax - retf -SetCodeSelectorFarJump: - mov ax, PROTECT_MODE_DS ; Update the Base for the new selectors, too - mov ds, ax - mov es, ax - mov fs, ax - mov gs, ax - mov ss, ax - - popad - pop ebp - ret -AsmInitializeGdt ENDP - END diff --git a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm index 577ca4e31c..fc9db873fc 100644 --- a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm +++ b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm @@ -228,28 +228,3 @@ OtherLoaded: popad ret - -global ASM_PFX(AsmInitializeGdt) -ASM_PFX(AsmInitializeGdt): - push ebp - mov ebp, esp - pushad - mov edi, [ebp + 8] ; Load GDT register - - lgdt [edi] ; and update the GDTR - - push PROTECT_MODE_CS - mov eax, ASM_PFX(SetCodeSelectorFarJump) - push eax - retf -ASM_PFX(SetCodeSelectorFarJump): - mov ax, PROTECT_MODE_DS ; Update the Base for the new selectors, too - mov ds, ax - mov es, ax - mov fs, ax - mov gs, ax - mov ss, ax - - popad - pop ebp - ret diff --git a/UefiCpuPkg/CpuMpPei/X64/MpEqu.inc b/UefiCpuPkg/CpuMpPei/X64/MpEqu.inc index 30c7f6110b..07caf3b991 100644 --- a/UefiCpuPkg/CpuMpPei/X64/MpEqu.inc +++ b/UefiCpuPkg/CpuMpPei/X64/MpEqu.inc @@ -18,11 +18,6 @@ ; ;------------------------------------------------------------------------------- -PROTECT_MODE_CS equ 10h -PROTECT_MODE_DS equ 18h -LONG_MODE_CS equ 38h -LONG_MODE_DS equ 30h - VacantFlag equ 00h NotVacantFlag equ 0ffh diff --git a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm index f018c3bb09..03e00924fb 100644 --- a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm +++ b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm @@ -288,30 +288,4 @@ OtherLoaded: ret AsmExchangeRole ENDP -AsmInitializeGdt PROC - push rbp - mov rbp, rsp - - lgdt fword PTR [rcx] ; update the GDTR - - sub rsp, 0x10 - lea rax, SetCodeSelectorFarJump - mov [rsp], rax - mov rdx, LONG_MODE_CS - mov [rsp + 4], dx ; get new CS - jmp fword ptr [rsp] -SetCodeSelectorFarJump: - add rsp, 0x10 - - mov rax, LONG_MODE_DS ; get new DS - mov ds, ax - mov es, ax - mov fs, ax - mov gs, ax - mov ss, ax - - pop rbp - ret -AsmInitializeGdt ENDP - END diff --git a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm index 99cbee296b..e0a98647df 100644 --- a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm +++ b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm @@ -280,30 +280,3 @@ OtherLoaded: pop rax ret - -global ASM_PFX(AsmInitializeGdt) -ASM_PFX(AsmInitializeGdt): - push rbp - mov rbp, rsp - - lgdt [rcx] ; update the GDTR - - sub rsp, 0x10 - mov rax, ASM_PFX(SetCodeSelectorFarJump) - mov [rsp], rax - mov rdx, LONG_MODE_CS - mov [rsp + 4], dx ; get new CS - jmp far dword [rsp] ; far jump with new CS -ASM_PFX(SetCodeSelectorFarJump): - add rsp, 0x10 - - mov rax, LONG_MODE_DS ; get new DS - mov ds, ax - mov es, ax - mov fs, ax - mov gs, ax - mov ss, ax - - pop rbp - - ret -- cgit v1.2.3