diff options
| author | Jeff Fan <jeff.fan@intel.com> | 2015-07-15 03:36:51 +0000 |
|---|---|---|
| committer | vanjeff <vanjeff@Edk2> | 2015-07-15 03:36:51 +0000 |
| commit | 46ba0f63e9adaa2147366fcbd68c1c6f672b647b (patch) | |
| tree | 2db42260e7b46ef0ac4a2a93ce9d3e0dab865d7c /UefiCpuPkg | |
| parent | 34ff8715bf7724c52b878ddf55f494ccb0a35da6 (diff) | |
| download | edk2-platforms-46ba0f63e9adaa2147366fcbd68c1c6f672b647b.tar.xz | |
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 <jeff.fan@intel.com>
Reviewed-by: Feng Tian <feng.tian@intel.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@17993 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'UefiCpuPkg')
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/CpuMpPei.h | 1 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/CpuMpPei.inf | 1 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm | 3 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm | 3 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm | 6 | ||||
| -rw-r--r-- | UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm | 5 |
6 files changed, 19 insertions, 0 deletions
diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.h b/UefiCpuPkg/CpuMpPei/CpuMpPei.h index 3f4fa92fc1..146422c2b5 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.h +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.h @@ -21,6 +21,7 @@ #include <Library/BaseLib.h> #include <Library/HobLib.h> #include <Library/PeimEntryPoint.h> +#include <Library/UefiCpuLib.h> #pragma pack(1) diff --git a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf index 7cf33d3249..9fb9e945a8 100644 --- a/UefiCpuPkg/CpuMpPei/CpuMpPei.inf +++ b/UefiCpuPkg/CpuMpPei/CpuMpPei.inf @@ -51,6 +51,7 @@ BaseLib HobLib PeimEntryPoint + UefiCpuLib diff --git a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm index c8bdc52e95..4dc7191b80 100644 --- a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm +++ b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.asm @@ -22,6 +22,7 @@ .model flat include MpEqu.inc +InitializeFloatingPointUnits PROTO C .code @@ -124,6 +125,8 @@ CProcedureInvoke: 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 diff --git a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm index 379f13e6db..4a1aa71b8d 100644 --- a/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm +++ b/UefiCpuPkg/CpuMpPei/Ia32/MpFuncs.nasm @@ -19,6 +19,7 @@ ;------------------------------------------------------------------------------- %include "MpEqu.inc" +extern ASM_PFX(InitializeFloatingPointUnits) SECTION .text @@ -114,6 +115,8 @@ CProcedureInvoke: 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 diff --git a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm index 5425547634..425bc202fd 100644 --- a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm +++ b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.asm @@ -19,6 +19,8 @@ ;------------------------------------------------------------------------------- include MpEqu.inc +extern InitializeFloatingPointUnits:PROC + .code ;------------------------------------------------------------------------------------- ;RendezvousFunnelProc procedure follows. All APs execute their procedure. This @@ -158,6 +160,10 @@ CProcedureInvoke: 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 diff --git a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm index 99669ce95e..3ddf26c29d 100644 --- a/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm +++ b/UefiCpuPkg/CpuMpPei/X64/MpFuncs.nasm @@ -19,6 +19,7 @@ ;------------------------------------------------------------------------------- %include "MpEqu.inc" +extern ASM_PFX(InitializeFloatingPointUnits) DEFAULT REL @@ -155,6 +156,10 @@ CProcedureInvoke: 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 |