1. Separated DxeSmmCpuExceptionHandlerLib.inf into 2 instance DxeCpuExceptionHandlerLib.inf and SmmCpuExceptionHandlerLib.inf.

2. Updated CPU Exception Handler Library instance according to the new CPU Exception Handler Library class definitions.
3. Updated CPU Exception Handler Library instance to handle the vector attributes defined in PI 1.2.1.

Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Hot Tian <hot.tian@intel.com>



git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14885 6f19259b-4bc3-4df7-8a09-765794883524

1 files changed, 1 insertions, 278 deletions

diff --git a/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm b/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm
index 68fcd3f404..c71b06a81e 100644
--- a/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm
+++ b/UefiCpuPkg/CpuDxe/X64/CpuAsm.asm
@@ -1,7 +1,7 @@
       TITLE   CpuAsm.asm: 

 ;------------------------------------------------------------------------------

 ;*

-;*   Copyright (c) 2008 - 2011, Intel Corporation. All rights reserved.<BR>

+;*   Copyright (c) 2008 - 2013, 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        

@@ -18,18 +18,6 @@
 

     .code

 

-EXTRN mErrorCodeFlag:DWORD ; Error code flags for exceptions

-

-;

-; point to the external interrupt vector table

-;

-ExternalVectorTablePtr QWORD 0

-

-InitializeExternalVectorTablePtr PROC PUBLIC

-    mov  ExternalVectorTablePtr, rcx

-    ret

-InitializeExternalVectorTablePtr ENDP

-

 ;------------------------------------------------------------------------------

 ; VOID

 ; SetCodeSelector (

@@ -62,270 +50,5 @@ SetDataSelectors PROC PUBLIC
     ret

 SetDataSelectors ENDP

 

-;---------------------------------------;

-; CommonInterruptEntry                  ;

-;---------------------------------------;

-; The follow algorithm is used for the common interrupt routine.

-

-CommonInterruptEntry PROC PUBLIC  

-    cli

-    ;

-    ; All interrupt handlers are invoked through interrupt gates, so

-    ; IF flag automatically cleared at the entry point

-    ;

-    ;

-    ; Calculate vector number

-    ;

-    xchg    rcx, [rsp] ; get the return address of call, actually, it is the address of vector number.

-    movzx   ecx, word ptr [rcx]

-    cmp     ecx, 32         ; Intel reserved vector for exceptions?

-    jae     NoErrorCode

-    bt      mErrorCodeFlag, ecx

-    jc      @F

-

-NoErrorCode:

-

-    ;

-    ; Push a dummy error code on the stack

-    ; to maintain coherent stack map

-    ;

-    push    [rsp]

-    mov     qword ptr [rsp + 8], 0

-@@:       

-    push    rbp

-    mov     rbp, rsp

-

-    ;

-    ; Stack:

-    ; +---------------------+ <-- 16-byte aligned ensured by processor

-    ; +    Old SS           +

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

-    ; +    Old RSP          +

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

-    ; +    RFlags           +

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

-    ; +    CS               +

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

-    ; +    RIP              +

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

-    ; +    Error Code       +

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

-    ; + RCX / Vector Number +

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

-    ; +    RBP              +

-    ; +---------------------+ <-- RBP, 16-byte aligned

-    ;

-

-

-    ;

-    ; Since here the stack pointer is 16-byte aligned, so

-    ; EFI_FX_SAVE_STATE_X64 of EFI_SYSTEM_CONTEXT_x64

-    ; is 16-byte aligned

-    ;

-

-;; UINT64  Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;

-;; UINT64  R8, R9, R10, R11, R12, R13, R14, R15;

-    push r15

-    push r14

-    push r13

-    push r12

-    push r11

-    push r10

-    push r9

-    push r8

-    push rax

-    push qword ptr [rbp + 8]   ; RCX

-    push rdx

-    push rbx

-    push qword ptr [rbp + 48]  ; RSP

-    push qword ptr [rbp]       ; RBP

-    push rsi

-    push rdi

-

-;; UINT64  Gs, Fs, Es, Ds, Cs, Ss;  insure high 16 bits of each is zero

-    movzx   rax, word ptr [rbp + 56]

-    push    rax                      ; for ss

-    movzx   rax, word ptr [rbp + 32]

-    push    rax                      ; for cs

-    mov     rax, ds

-    push    rax

-    mov     rax, es

-    push    rax

-    mov     rax, fs

-    push    rax

-    mov     rax, gs

-    push    rax

-

-    mov     [rbp + 8], rcx               ; save vector number

-

-;; UINT64  Rip;

-    push    qword ptr [rbp + 24]

-

-;; UINT64  Gdtr[2], Idtr[2];

-    xor     rax, rax

-    push    rax

-    push    rax

-    sidt    [rsp]

-    xchg    rax, [rsp + 2]

-    xchg    rax, [rsp]

-    xchg    rax, [rsp + 8]

-

-    xor     rax, rax

-    push    rax

-    push    rax

-    sgdt    [rsp]

-    xchg    rax, [rsp + 2]

-    xchg    rax, [rsp]

-    xchg    rax, [rsp + 8]

-

-;; UINT64  Ldtr, Tr;

-    xor     rax, rax

-    str     ax

-    push    rax

-    sldt    ax

-    push    rax

-

-;; UINT64  RFlags;

-    push    qword ptr [rbp + 40]

-

-;; UINT64  Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;

-    mov     rax, cr8

-    push    rax

-    mov     rax, cr4

-    or      rax, 208h

-    mov     cr4, rax

-    push    rax

-    mov     rax, cr3

-    push    rax

-    mov     rax, cr2

-    push    rax

-    xor     rax, rax

-    push    rax

-    mov     rax, cr0

-    push    rax

-

-;; UINT64  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;

-    mov     rax, dr7

-    push    rax

-    mov     rax, dr6

-    push    rax

-    mov     rax, dr3

-    push    rax

-    mov     rax, dr2

-    push    rax

-    mov     rax, dr1

-    push    rax

-    mov     rax, dr0

-    push    rax

-

-;; FX_SAVE_STATE_X64 FxSaveState;

-    sub rsp, 512

-    mov rdi, rsp

-    db 0fh, 0aeh, 07h ;fxsave [rdi]

-

-;; UEFI calling convention for x64 requires that Direction flag in EFLAGs is clear

-    cld

-

-;; UINT32  ExceptionData;

-    push    qword ptr [rbp + 16]

-

-;; call into exception handler

-    mov     rcx, [rbp + 8]

-    mov     rax, ExternalVectorTablePtr  ; get the interrupt vectors base

-    mov     rax, [rax + rcx * 8]       

-    or      rax, rax                        ; NULL?

-

-    je    nonNullValue;

-

-;; Prepare parameter and call

-;  mov     rcx, [rbp + 8]

-    mov     rdx, rsp

-    ;

-    ; Per X64 calling convention, allocate maximum parameter stack space

-    ; and make sure RSP is 16-byte aligned

-    ;

-    sub     rsp, 4 * 8 + 8

-    call    rax

-    add     rsp, 4 * 8 + 8

-

-nonNullValue:

-    cli

-;; UINT64  ExceptionData;

-    add     rsp, 8

-

-;; FX_SAVE_STATE_X64 FxSaveState;

-

-    mov rsi, rsp

-    db 0fh, 0aeh, 0Eh ; fxrstor [rsi]

-    add rsp, 512

-

-;; UINT64  Dr0, Dr1, Dr2, Dr3, Dr6, Dr7;

-;; Skip restoration of DRx registers to support in-circuit emualators

-;; or debuggers set breakpoint in interrupt/exception context

-    add     rsp, 8 * 6

-

-;; UINT64  Cr0, Cr1, Cr2, Cr3, Cr4, Cr8;

-    pop     rax

-    mov     cr0, rax

-    add     rsp, 8   ; not for Cr1

-    pop     rax

-    mov     cr2, rax

-    pop     rax

-    mov     cr3, rax

-    pop     rax

-    mov     cr4, rax

-    pop     rax

-    mov     cr8, rax

-

-;; UINT64  RFlags;

-    pop     qword ptr [rbp + 40]

-

-;; UINT64  Ldtr, Tr;

-;; UINT64  Gdtr[2], Idtr[2];

-;; Best not let anyone mess with these particular registers...

-    add     rsp, 48

-

-;; UINT64  Rip;

-    pop     qword ptr [rbp + 24]

-

-;; UINT64  Gs, Fs, Es, Ds, Cs, Ss;

-    pop     rax

-    ; mov     gs, rax ; not for gs

-    pop     rax

-    ; mov     fs, rax ; not for fs

-    ; (X64 will not use fs and gs, so we do not restore it)

-    pop     rax

-    mov     es, rax

-    pop     rax

-    mov     ds, rax

-    pop     qword ptr [rbp + 32]  ; for cs

-    pop     qword ptr [rbp + 56]  ; for ss

-

-;; UINT64  Rdi, Rsi, Rbp, Rsp, Rbx, Rdx, Rcx, Rax;

-;; UINT64  R8, R9, R10, R11, R12, R13, R14, R15;

-    pop     rdi

-    pop     rsi

-    add     rsp, 8               ; not for rbp

-    pop     qword ptr [rbp + 48] ; for rsp

-    pop     rbx

-    pop     rdx

-    pop     rcx

-    pop     rax

-    pop     r8

-    pop     r9

-    pop     r10

-    pop     r11

-    pop     r12

-    pop     r13

-    pop     r14

-    pop     r15

-

-    mov     rsp, rbp

-    pop     rbp

-    add     rsp, 16

-    iretq

-

-CommonInterruptEntry ENDP

-

 END