-## @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]
-
-if filename.lower().find('ia32') >= 0:
- 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()
-else:
- from struct import pack
-
- PAGE_PRESENT = 0x01
- PAGE_READ_WRITE = 0x02
- PAGE_USER_SUPERVISOR = 0x04
- PAGE_WRITE_THROUGH = 0x08
- PAGE_CACHE_DISABLE = 0x010
- PAGE_ACCESSED = 0x020
- PAGE_DIRTY = 0x040
- PAGE_PAT = 0x080
- PAGE_GLOBAL = 0x0100
- PAGE_2M_MBO = 0x080
- PAGE_2M_PAT = 0x01000
-
- def NopAlign4k(s):
- c = ((len(s) + 0xfff) & ~0xfff) - len(s)
- return ('\x90' * c) + s
-
- def PageDirectoryEntries4GbOf2MbPages(baseAddress):
-
- s = ''
- for i in range(0x800):
- i = (
- baseAddress + long(i << 21) +
- PAGE_2M_MBO +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_DIRTY +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def PageDirectoryPointerTable4GbOf2MbPages(pdeBase):
- s = ''
- for i in range(0x200):
- i = (
- pdeBase +
- (min(i, 3) << 12) +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def PageMapLevel4Table4GbOf2MbPages(pdptBase):
- s = ''
- for i in range(0x200):
- i = (
- pdptBase +
- (min(i, 0) << 12) +
- PAGE_CACHE_DISABLE +
- PAGE_ACCESSED +
- PAGE_READ_WRITE +
- PAGE_PRESENT
- )
- s += pack('Q', i)
- return s
-
- def First4GbPageEntries(topAddress):
- PDE = PageDirectoryEntries4GbOf2MbPages(0L)
- pml4tBase = topAddress - 0x1000
- pdptBase = pml4tBase - 0x1000
- pdeBase = pdptBase - len(PDE)
- PDPT = PageDirectoryPointerTable4GbOf2MbPages(pdeBase)
- PML4T = PageMapLevel4Table4GbOf2MbPages(pdptBase)
- return PDE + PDPT + PML4T
-
- def AlignAndAddPageTables():
- d = open(sys.argv[1], 'rb').read()
- code = NopAlign4k(d)
- topAddress = 0x100000000 - len(code)
- d = ('\x90' * 4) + First4GbPageEntries(topAddress) + code
- f = open(sys.argv[1], 'wb')
- f.write(d)
- f.close()
-
- AlignAndAddPageTables()
-
+## @file\r
+# Apply fixup to VTF binary image for FFS Raw section\r
+#\r
+# Copyright (c) 2008, Intel Corporation. All rights reserved.<BR>\r
+#\r
+# This program and the accompanying materials\r
+# are licensed and made available under the terms and conditions of the BSD License\r
+# which accompanies this distribution. The full text of the license may be found at\r
+# http://opensource.org/licenses/bsd-license.php\r
+#\r
+# THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
+# WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+#\r
+\r
+import sys\r
+\r
+filename = sys.argv[1]\r
+\r
+if filename.lower().find('ia32') >= 0:\r
+ d = open(sys.argv[1], 'rb').read()\r
+ c = ((len(d) + 4 + 7) & ~7) - 4\r
+ if c > len(d):\r
+ c -= len(d)\r
+ f = open(sys.argv[1], 'wb')\r
+ f.write('\x90' * c)\r
+ f.write(d)\r
+ f.close()\r
+else:\r
+ from struct import pack\r
+\r
+ PAGE_PRESENT = 0x01\r
+ PAGE_READ_WRITE = 0x02\r
+ PAGE_USER_SUPERVISOR = 0x04\r
+ PAGE_WRITE_THROUGH = 0x08\r
+ PAGE_CACHE_DISABLE = 0x010\r
+ PAGE_ACCESSED = 0x020\r
+ PAGE_DIRTY = 0x040\r
+ PAGE_PAT = 0x080\r
+ PAGE_GLOBAL = 0x0100\r
+ PAGE_2M_MBO = 0x080\r
+ PAGE_2M_PAT = 0x01000\r
+\r
+ def NopAlign4k(s):\r
+ c = ((len(s) + 0xfff) & ~0xfff) - len(s)\r
+ return ('\x90' * c) + s\r
+\r
+ def PageDirectoryEntries4GbOf2MbPages(baseAddress):\r
+\r
+ s = ''\r
+ for i in range(0x800):\r
+ i = (\r
+ baseAddress + long(i << 21) +\r
+ PAGE_2M_MBO +\r
+ PAGE_CACHE_DISABLE +\r
+ PAGE_ACCESSED +\r
+ PAGE_DIRTY +\r
+ PAGE_READ_WRITE +\r
+ PAGE_PRESENT\r
+ )\r
+ s += pack('Q', i)\r
+ return s\r
+\r
+ def PageDirectoryPointerTable4GbOf2MbPages(pdeBase):\r
+ s = ''\r
+ for i in range(0x200):\r
+ i = (\r
+ pdeBase +\r
+ (min(i, 3) << 12) +\r
+ PAGE_CACHE_DISABLE +\r
+ PAGE_ACCESSED +\r
+ PAGE_READ_WRITE +\r
+ PAGE_PRESENT\r
+ )\r
+ s += pack('Q', i)\r
+ return s\r
+\r
+ def PageMapLevel4Table4GbOf2MbPages(pdptBase):\r
+ s = ''\r
+ for i in range(0x200):\r
+ i = (\r
+ pdptBase +\r
+ (min(i, 0) << 12) +\r
+ PAGE_CACHE_DISABLE +\r
+ PAGE_ACCESSED +\r
+ PAGE_READ_WRITE +\r
+ PAGE_PRESENT\r
+ )\r
+ s += pack('Q', i)\r
+ return s\r
+\r
+ def First4GbPageEntries(topAddress):\r
+ PDE = PageDirectoryEntries4GbOf2MbPages(0L)\r
+ pml4tBase = topAddress - 0x1000\r
+ pdptBase = pml4tBase - 0x1000\r
+ pdeBase = pdptBase - len(PDE)\r
+ PDPT = PageDirectoryPointerTable4GbOf2MbPages(pdeBase)\r
+ PML4T = PageMapLevel4Table4GbOf2MbPages(pdptBase)\r
+ return PDE + PDPT + PML4T\r
+\r
+ def AlignAndAddPageTables():\r
+ d = open(sys.argv[1], 'rb').read()\r
+ code = NopAlign4k(d)\r
+ topAddress = 0x100000000 - len(code)\r
+ d = ('\x90' * 4) + First4GbPageEntries(topAddress) + code\r
+ f = open(sys.argv[1], 'wb')\r
+ f.write(d)\r
+ f.close()\r
+\r
+ AlignAndAddPageTables()\r
+\r
projects / mirror_edk2.git / commitdiff