UefiCpuPkg/MpInitLib: Fix typo and clean up the code

1. Rename NumApsExecutingLoction to NumApsExecutingLocation
2. Update some comments in NASM files.
3. Remove PeiCpuMpData from MP_CPU_EXCHANGE_INFO.

Cc: Michael Kinney <michael.d.kinney@intel.com>
Cc: Feng Tian <feng.tian@intel.com>
Cc: Giri P Mudusuru <giri.p.mudusuru@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <jeff.fan@intel.com>
Reviewed-by: Michael Kinney <michael.d.kinney@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Tested-by: Michael Kinney <michael.d.kinney@intel.com>
diff --git a/UefiCpuPkg/Library/MpInitLib/Ia32/MpEqu.inc b/UefiCpuPkg/Library/MpInitLib/Ia32/MpEqu.inc
index 773eab3..015396a 100644
--- a/UefiCpuPkg/Library/MpInitLib/Ia32/MpEqu.inc
+++ b/UefiCpuPkg/Library/MpInitLib/Ia32/MpEqu.inc
@@ -33,7 +33,7 @@
 IdtrLocation                  equ        LockLocation + 16h

 BufferStartLocation           equ        LockLocation + 1Ch

 ModeOffsetLocation            equ        LockLocation + 20h

-NumApsExecutingLoction        equ        LockLocation + 24h

+NumApsExecutingLocation       equ        LockLocation + 24h

 CodeSegmentLocation           equ        LockLocation + 28h

 DataSegmentLocation           equ        LockLocation + 2Ch

 

diff --git a/UefiCpuPkg/Library/MpInitLib/Ia32/MpFuncs.nasm b/UefiCpuPkg/Library/MpInitLib/Ia32/MpFuncs.nasm
index 0852a5b..7050413 100644
--- a/UefiCpuPkg/Library/MpInitLib/Ia32/MpFuncs.nasm
+++ b/UefiCpuPkg/Library/MpInitLib/Ia32/MpFuncs.nasm
@@ -71,8 +71,8 @@
     xor        ax,  ax

     mov        ds,  ax

 

-    mov        eax, cr0                        ;Get control register 0

-    or         eax, 000000003h                 ;Set PE bit (bit #0) & MP

+    mov        eax, cr0                        ; Get control register 0

+    or         eax, 000000003h                 ; Set PE bit (bit #0) & MP

     mov        cr0, eax

 

     jmp        0:strict dword 0                ; far jump to protected mode

@@ -95,7 +95,7 @@
     jz         TestLock

 

     mov        edi, esi

-    add        edi, NumApsExecutingLoction

+    add        edi, NumApsExecutingLocation

     inc        dword [edi]

     mov        ebx, [edi]

 

@@ -133,9 +133,9 @@
     add        edi, ApProcedureLocation

     mov        eax, [edi]

 

-    call       eax               ; invoke C function

+    call       eax               ; Invoke C function

 

-    jmp        $                 ; never reach here

+    jmp        $                 ; Never reach here

 RendezvousFunnelProcEnd:

 

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

diff --git a/UefiCpuPkg/Library/MpInitLib/MpLib.h b/UefiCpuPkg/Library/MpInitLib/MpLib.h
index 0453c22..92d1dd9 100644
--- a/UefiCpuPkg/Library/MpInitLib/MpLib.h
+++ b/UefiCpuPkg/Library/MpInitLib/MpLib.h
@@ -56,7 +56,6 @@
   UINTN                 CodeSegment;

   UINTN                 DataSegment;

   UINTN                 Cr3;

-  PEI_CPU_MP_DATA       *PeiCpuMpData;

 } MP_CPU_EXCHANGE_INFO;

 

 #pragma pack()

diff --git a/UefiCpuPkg/Library/MpInitLib/X64/MpEqu.inc b/UefiCpuPkg/Library/MpInitLib/X64/MpEqu.inc
index 00f57ce..5aac212 100644
--- a/UefiCpuPkg/Library/MpInitLib/X64/MpEqu.inc
+++ b/UefiCpuPkg/Library/MpInitLib/X64/MpEqu.inc
@@ -33,7 +33,7 @@
 IdtrLocation                  equ        LockLocation + 2Ah

 BufferStartLocation           equ        LockLocation + 34h

 ModeOffsetLocation            equ        LockLocation + 3Ch

-NumApsExecutingLoction        equ        LockLocation + 44h

+NumApsExecutingLocation       equ        LockLocation + 44h

 CodeSegmentLocation           equ        LockLocation + 4Ch

 DataSegmentLocation           equ        LockLocation + 54h

 Cr3Location                   equ        LockLocation + 5Ch

diff --git a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
index f19c75f..848992c 100644
--- a/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
+++ b/UefiCpuPkg/Library/MpInitLib/X64/MpFuncs.nasm
@@ -57,7 +57,7 @@
     mov        di,  CodeSegmentLocation

     mov        edx, [di]

     mov        di,  ax

-    sub        di,  02h  

+    sub        di,  02h

     mov        [di],dx                         ; Patch long mode CS

     sub        di,  04h

     add        eax, ebx

@@ -117,7 +117,7 @@
     jz         TestLock

 

     mov        edi, esi

-    add        edi, NumApsExecutingLoction

+    add        edi, NumApsExecutingLocation

     inc        dword [edi]

     mov        ebx, [edi]

 

@@ -138,8 +138,8 @@
     xchg       qword [edi], rax

 

 CProcedureInvoke:

-    push       rbp               ; push BIST data at top of AP stack

-    xor        rbp, rbp          ; clear ebp for call stack trace

+    push       rbp               ; Push BIST data at top of AP stack

+    xor        rbp, rbp          ; Clear ebp for call stack trace

     push       rbp

     mov        rbp, rsp

 

@@ -157,9 +157,9 @@
     mov        rax, qword [edi]

 

     sub        rsp, 20h

-    call       rax               ; invoke C function

+    call       rax               ; Invoke C function

     add        rsp, 20h

-    jmp        $

+    jmp        $                 ; Should never reach here

 

 RendezvousFunnelProcEnd:

 

@@ -176,7 +176,7 @@
 

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

 ;AsmExchangeRole procedure follows. This procedure executed by current BSP, that is

-;about to become an AP. It switches it'stack with the current AP.

+;about to become an AP. It switches its stack with the current AP.

 ;AsmExchangeRole (IN   CPU_EXCHANGE_INFO    *MyInfo, IN   CPU_EXCHANGE_INFO    *OthersInfo);

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

 global ASM_PFX(AsmExchangeRole)