diff options
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/ResetVector/Bin/ResetVector.inf | 29 | ||||
| -rw-r--r-- | OvmfPkg/ResetVector/Bin/ResetVector.x64.raw | bin | 0 -> 628 bytes | |||
| -rw-r--r-- | OvmfPkg/ResetVector/Build.py | 58 | ||||
| -rw-r--r-- | OvmfPkg/ResetVector/Ia32/PageTables64.asm | 93 | ||||
| -rw-r--r-- | OvmfPkg/ResetVector/ResetVectorCode.asm | 53 | ||||
| -rw-r--r-- | OvmfPkg/ResetVector/Tools/FixupForRawSection.py | 26 |
6 files changed, 259 insertions, 0 deletions
diff --git a/OvmfPkg/ResetVector/Bin/ResetVector.inf b/OvmfPkg/ResetVector/Bin/ResetVector.inf new file mode 100644 index 0000000000..afc80e3cd5 --- /dev/null +++ b/OvmfPkg/ResetVector/Bin/ResetVector.inf @@ -0,0 +1,29 @@ +## @file
+# Reset Vector binary
+#
+# Copyright (c) 2006 - 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
+# 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.
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = ResetVector
+ FILE_GUID = 1BA0062E-C779-4582-8566-336AE8F78F09
+ MODULE_TYPE = SEC
+ VERSION_STRING = 1.1
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32 X64
+#
+
+[Binaries.X64]
+ RAW|ResetVector.x64.raw|*
diff --git a/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw b/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw Binary files differnew file mode 100644 index 0000000000..ff08363600 --- /dev/null +++ b/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw diff --git a/OvmfPkg/ResetVector/Build.py b/OvmfPkg/ResetVector/Build.py new file mode 100644 index 0000000000..e0a9496e37 --- /dev/null +++ b/OvmfPkg/ResetVector/Build.py @@ -0,0 +1,58 @@ +## @file +# Automate the process of building the various reset vector types +# +# Copyright (c) 2009 - 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 +# 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. +# + +import glob +import os +import subprocess +import sys + +def RunCommand(commandLine): + #print ' '.join(commandLine) + return subprocess.call(commandLine) + +for filename in glob.glob(os.path.join('Bin', '*.raw')): + os.remove(filename) + +ThisDir = os.path.realpath(os.path.split(sys.argv[0])[0]) +WorkspaceDir = os.path.realpath(os.path.join(ThisDir, '..', '..')) +UefiCpuPkgVtf0Dir = os.path.join(WorkspaceDir, 'UefiCpuPkg', 'ResetVector', 'Vtf0') + +for arch in ('x64',): + for debugType in (None,): + output = os.path.join('Bin', 'ResetVector') + output += '.' + arch + if debugType is not None: + output += '.' + debugType + output += '.raw' + commandLine = ( + 'nasm', + '-D', 'ARCH_%s' % arch.upper(), + '-D', 'DEBUG_%s' % str(debugType).upper(), + '-I', UefiCpuPkgVtf0Dir + os.path.sep, + '-o', output, + 'ResetVectorCode.asm', + ) + ret = RunCommand(commandLine) + print '\tASM\t' + output + if ret != 0: sys.exit(ret) + + commandLine = ( + 'python', + 'Tools/FixupForRawSection.py', + output, + ) + print '\tFIXUP\t' + output + ret = RunCommand(commandLine) + if ret != 0: sys.exit(ret) + diff --git a/OvmfPkg/ResetVector/Ia32/PageTables64.asm b/OvmfPkg/ResetVector/Ia32/PageTables64.asm new file mode 100644 index 0000000000..5ebf211fbc --- /dev/null +++ b/OvmfPkg/ResetVector/Ia32/PageTables64.asm @@ -0,0 +1,93 @@ +;------------------------------------------------------------------------------
+; @file
+; Sets the CR3 register for 64-bit paging
+;
+; 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
+; 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.
+;
+;------------------------------------------------------------------------------
+
+BITS 32
+
+%define PAGE_PRESENT 0x01
+%define PAGE_READ_WRITE 0x02
+%define PAGE_USER_SUPERVISOR 0x04
+%define PAGE_WRITE_THROUGH 0x08
+%define PAGE_CACHE_DISABLE 0x010
+%define PAGE_ACCESSED 0x020
+%define PAGE_DIRTY 0x040
+%define PAGE_PAT 0x080
+%define PAGE_GLOBAL 0x0100
+%define PAGE_2M_MBO 0x080
+%define PAGE_2M_PAT 0x01000
+
+%define PAGE_2M_PDE_ATTR (PAGE_2M_MBO + \
+ PAGE_CACHE_DISABLE + \
+ PAGE_ACCESSED + \
+ PAGE_DIRTY + \
+ PAGE_READ_WRITE + \
+ PAGE_PRESENT)
+
+%define PAGE_PDP_ATTR (PAGE_CACHE_DISABLE + \
+ PAGE_ACCESSED + \
+ PAGE_READ_WRITE + \
+ PAGE_PRESENT)
+
+
+;
+; Modified: EAX, ECX
+;
+SetCr3ForPageTables64:
+
+ ;
+ ; For OVMF, build some initial page tables at 0x80000. This is just
+ ; after the early stack/temp RAM.
+ ;
+ ; At the end of PEI, the pages tables will be rebuilt into a
+ ; more permanent location by DxeIpl.
+ ;
+
+ mov ecx, 6 * 0x1000 / 4
+ xor eax, eax
+clearPageTablesMemoryLoop:
+ mov dword[ecx * 4 + 0x80000 - 4], eax
+ loop clearPageTablesMemoryLoop
+
+ ;
+ ; Top level Page Directory Pointers (1 * 512GB entry)
+ ;
+ mov dword[0x80000], 0x81000 + PAGE_PDP_ATTR
+
+ ;
+ ; Next level Page Directory Pointers (4 * 1GB entries => 4GB)
+ ;
+ mov dword[0x81000], 0x82000 + PAGE_PDP_ATTR
+ mov dword[0x81008], 0x83000 + PAGE_PDP_ATTR
+ mov dword[0x81010], 0x84000 + PAGE_PDP_ATTR
+ mov dword[0x81018], 0x85000 + PAGE_PDP_ATTR
+
+ ;
+ ; Page Table Entries (2048 * 2MB entries => 4GB)
+ ;
+ mov ecx, 0x800
+pageTableEntriesLoop:
+ mov eax, ecx
+ dec eax
+ shl eax, 21
+ add eax, PAGE_2M_PDE_ATTR
+ mov [ecx * 8 + 0x82000 - 8], eax
+ loop pageTableEntriesLoop
+
+ ;
+ ; Set CR3 now that the paging structures are available
+ ;
+ mov eax, 0x80000
+ mov cr3, eax
+
+ OneTimeCallRet SetCr3ForPageTables64
diff --git a/OvmfPkg/ResetVector/ResetVectorCode.asm b/OvmfPkg/ResetVector/ResetVectorCode.asm new file mode 100644 index 0000000000..052c821f21 --- /dev/null +++ b/OvmfPkg/ResetVector/ResetVectorCode.asm @@ -0,0 +1,53 @@ +;------------------------------------------------------------------------------
+; @file
+; This file includes all other code files to assemble the reset vector code
+;
+; 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
+; 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.
+;
+;------------------------------------------------------------------------------
+
+%ifdef ARCH_IA32
+ %ifdef ARCH_X64
+ %error "Only one of ARCH_IA32 or ARCH_X64 can be defined."
+ %endif
+%elifdef ARCH_X64
+%else
+ %error "Either ARCH_IA32 or ARCH_X64 must be defined."
+%endif
+
+%include "CommonMacros.inc"
+
+%include "PostCodes.inc"
+
+%ifdef DEBUG_NONE
+ %include "DebugDisabled.asm"
+%elifdef DEBUG_PORT80
+ %include "Port80Debug.asm"
+%elifdef DEBUG_SERIAL
+ %include "SerialDebug.asm"
+%else
+ %error "No debug type was specified."
+%endif
+
+%include "Ia32/SearchForBfvBase.asm"
+%include "Ia32/SearchForSecEntry.asm"
+
+%ifdef ARCH_X64
+%include "Ia32/Flat32ToFlat64.asm"
+%include "Ia32/PageTables64.asm"
+%endif
+
+%include "Ia16/Real16ToFlat32.asm"
+%include "Ia16/Init16.asm"
+
+%include "Main.asm"
+
+%include "Ia16/ResetVectorVtf0.asm"
+
diff --git a/OvmfPkg/ResetVector/Tools/FixupForRawSection.py b/OvmfPkg/ResetVector/Tools/FixupForRawSection.py new file mode 100644 index 0000000000..f88c8a4cd7 --- /dev/null +++ b/OvmfPkg/ResetVector/Tools/FixupForRawSection.py @@ -0,0 +1,26 @@ +## @file +# Apply fixup to VTF binary image for FFS Raw section +# +# Copyright (c) 2008, 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. +# + +import sys + +filename = sys.argv[1] + +d = open(sys.argv[1], 'rb').read() +c = ((len(d) + 4 + 7) & ~7) - 4 +if c > len(d): + c -= len(d) + f = open(sys.argv[1], 'wb') + f.write('\x90' * c) + f.write(d) + f.close() |