Revision: 17993
http://sourceforge.net/p/edk2/code/17993
Author: vanjeff
Date: 2015-07-15 03:36:51 +0000 (Wed, 15 Jul 2015)
Log Message:
-----------
UefiCpuPkg/CpuMpPei: Initialize FPU per UEFI specification
Invoke InitializeFloatingPointUnits() to initialize FPU per UEFI specification
before call C function in assembly code.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jeff Fan <[email protected]>
Reviewed-by: Feng Tian <[email protected]>
Reviewed-by: Jiewen Yao <[email protected]>
Modified Paths:
--------------
trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h
trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm
trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm
trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm
trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h 2015-07-15 03:36:19 UTC (rev
17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.h 2015-07-15 03:36:51 UTC (rev
17993)
@@ -21,6 +21,7 @@
#include <Library/BaseLib.h>
#include <Library/HobLib.h>
#include <Library/PeimEntryPoint.h>
+#include <Library/UefiCpuLib.h>
#pragma pack(1)
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.inf
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.inf 2015-07-15 03:36:19 UTC (rev
17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/CpuMpPei.inf 2015-07-15 03:36:51 UTC (rev
17993)
@@ -51,6 +51,7 @@
BaseLib
HobLib
PeimEntryPoint
+ UefiCpuLib
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm 2015-07-15 03:36:19 UTC
(rev 17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm 2015-07-15 03:36:51 UTC
(rev 17993)
@@ -22,6 +22,7 @@
.model flat
include MpEqu.inc
+InitializeFloatingPointUnits PROTO C
.code
@@ -124,6 +125,8 @@
push ebp
mov ebp, esp
+ mov eax, InitializeFloatingPointUnits
+ call eax ; Call assembly function to initialize FPU
per UEFI spec
push ebx ; Push NumApsExecuting
mov eax, esi
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm 2015-07-15 03:36:19 UTC
(rev 17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm 2015-07-15 03:36:51 UTC
(rev 17993)
@@ -19,6 +19,7 @@
;-------------------------------------------------------------------------------
%include "MpEqu.inc"
+extern ASM_PFX(InitializeFloatingPointUnits)
SECTION .text
@@ -114,6 +115,8 @@
push ebp
mov ebp, esp
+ mov eax, ASM_PFX(InitializeFloatingPointUnits)
+ call eax ; Call assembly function to initialize FPU
per UEFI spec
push ebx ; Push NumApsExecuting
mov eax, esi
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm 2015-07-15 03:36:19 UTC
(rev 17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm 2015-07-15 03:36:51 UTC
(rev 17993)
@@ -19,6 +19,8 @@
;-------------------------------------------------------------------------------
include MpEqu.inc
+extern InitializeFloatingPointUnits:PROC
+
.code
;-------------------------------------------------------------------------------------
;RendezvousFunnelProc procedure follows. All APs execute their procedure. This
@@ -158,6 +160,10 @@
push rbp
mov rbp, rsp
+ mov rax, InitializeFloatingPointUnits
+ sub rsp, 20h
+ call rax ; Call assembly function to initialize FPU
per UEFI spec
+ add rsp, 20h
mov edx, ebx ; edx is NumApsExecuting
mov ecx, esi
Modified: trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm
===================================================================
--- trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm 2015-07-15 03:36:19 UTC
(rev 17992)
+++ trunk/edk2/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm 2015-07-15 03:36:51 UTC
(rev 17993)
@@ -19,6 +19,7 @@
;-------------------------------------------------------------------------------
%include "MpEqu.inc"
+extern ASM_PFX(InitializeFloatingPointUnits)
DEFAULT REL
@@ -155,6 +156,10 @@
push rbp
mov rbp, rsp
+ mov rax, ASM_PFX(InitializeFloatingPointUnits)
+ sub rsp, 20h
+ call rax ; Call assembly function to initialize FPU
per UEFI spec
+ add rsp, 20h
mov edx, ebx ; edx is NumApsExecuting
mov ecx, esi
------------------------------------------------------------------------------
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