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| author | jyao1 <jyao1> | 2014-07-24 06:52:43 +0000 |
|---|---|---|
| committer | jyao1 <jyao1@6f19259b-4bc3-4df7-8a09-765794883524> | 2014-07-24 06:52:43 +0000 |
| commit | a33a2f62218e6e49a25d63474b7fe423d8ee4b71 (patch) | |
| tree | ca8e4dd491a71f4a7e36fbc17c5e95276d555b43 /IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S | |
| parent | 34717ef034ed275a15683dafd29cb518af50fff0 (diff) | |
| download | edk2-a33a2f62218e6e49a25d63474b7fe423d8ee4b71.tar.gz edk2-a33a2f62218e6e49a25d63474b7fe423d8ee4b71.tar.bz2 edk2-a33a2f62218e6e49a25d63474b7fe423d8ee4b71.zip | |
Add IntelFspWrapper to support boot EDKII on FSP bin.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed off by: Jiewen Yao <jiewen.yao@intel.com>
Reviewed by: Ravi Rangarajan <ravi.p.rangarajan@intel.com>
Reviewed by: Maurice Ma <maurice.ma@intel.com>
Reviewed by: Giri Mudusuru <giri.p.mudusuru@intel.com>
Reviewed by: Liming Gao <liming.gao@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@15676 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S')
| -rw-r--r-- | IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S b/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S new file mode 100644 index 0000000000..c35f02b77e --- /dev/null +++ b/IntelFspWrapperPkg/Library/SecPeiFspPlatformSecLibSample/Ia32/PeiCoreEntry.S @@ -0,0 +1,130 @@ +#------------------------------------------------------------------------------
+#
+# Copyright (c) 2014, 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
+# http://opensource.org/licenses/bsd-license.php.
+#
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+#
+# Module Name:
+#
+# PeiCoreEntry.S
+#
+# Abstract:
+#
+# Find and call SecStartup
+#
+#------------------------------------------------------------------------------
+
+ASM_GLOBAL ASM_PFX(CallPeiCoreEntryPoint)
+ASM_PFX(CallPeiCoreEntryPoint):
+ #
+ # Obtain the hob list pointer
+ #
+ movl 0x4(%esp), %eax
+ #
+ # Obtain the stack information
+ # ECX: start of range
+ # EDX: end of range
+ #
+ movl 0x8(%esp), %ecx
+ movl 0xC(%esp), %edx
+
+ #
+ # Platform init
+ #
+ pushal
+ pushl %edx
+ pushl %ecx
+ pushl %eax
+ call ASM_PFX(PlatformInit)
+ popl %eax
+ popl %eax
+ popl %eax
+ popal
+
+ #
+ # Set stack top pointer
+ #
+ movl %edx, %esp
+
+ #
+ # Push the hob list pointer
+ #
+ pushl %eax
+
+ #
+ # Save the value
+ # ECX: start of range
+ # EDX: end of range
+ #
+ movl %esp, %ebp
+ pushl %ecx
+ pushl %edx
+
+ #
+ # Push processor count to stack first, then BIST status (AP then BSP)
+ #
+ movl $1, %eax
+ cpuid
+ shr $16, %ebx
+ andl $0x000000FF, %ebx
+ cmp $1, %bl
+ jae PushProcessorCount
+
+ #
+ # Some processors report 0 logical processors. Effectively 0 = 1.
+ # So we fix up the processor count
+ #
+ inc %ebx
+
+PushProcessorCount:
+ pushl %ebx
+
+ #
+ # We need to implement a long-term solution for BIST capture. For now, we just copy BSP BIST
+ # for all processor threads
+ #
+ xorl %ecx, %ecx
+ movb %bl, %cl
+PushBist:
+ movd %mm0, %eax
+ pushl %eax
+ loop PushBist
+
+ # Save Time-Stamp Counter
+ movd %mm5, %eax
+ pushl %eax
+
+ movd %mm6, %eax
+ pushl %eax
+
+ #
+ # Pass entry point of the PEI core
+ #
+ movl $0xFFFFFFE0, %edi
+ pushl %ds:(%edi)
+
+ #
+ # Pass BFV into the PEI Core
+ #
+ movl $0xFFFFFFFC, %edi
+ pushl %ds:(%edi)
+
+ #
+ # Pass stack size into the PEI Core
+ #
+ movl -4(%ebp), %ecx
+ movl -8(%ebp), %edx
+ pushl %ecx # RamBase
+
+ subl %ecx, %edx
+ pushl %edx # RamSize
+
+ #
+ # Pass Control into the PEI Core
+ #
+ call ASM_PFX(SecStartup)
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