VeraCrypt
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-rw-r--r--src/Boot/Windows/BootMemory.cpp172
1 files changed, 86 insertions, 86 deletions
diff --git a/src/Boot/Windows/BootMemory.cpp b/src/Boot/Windows/BootMemory.cpp
index c1dd3833..5729142f 100644
--- a/src/Boot/Windows/BootMemory.cpp
+++ b/src/Boot/Windows/BootMemory.cpp
@@ -1,86 +1,86 @@
-/*
- Derived from source code of TrueCrypt 7.1a, which is
- Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
- by the TrueCrypt License 3.0.
-
- Modifications and additions to the original source code (contained in this file)
- and all other portions of this file are Copyright (c) 2013-2016 IDRIX
- and are governed by the Apache License 2.0 the full text of which is
- contained in the file License.txt included in VeraCrypt binary and source
- code distribution packages.
-*/
-
-#include "BootDefs.h"
-#include "BootMemory.h"
-
-static uint32 MemoryMapContValue;
-
-static bool GetMemoryMapEntry (BiosMemoryMapEntry &entry)
-{
- static const uint32 function = 0x0000E820UL;
- static const uint32 magic = 0x534D4150UL;
- static const uint32 bufferSize = sizeof (BiosMemoryMapEntry);
-
- bool carry = false;
- uint32 resultMagic;
- uint32 resultSize;
-
- __asm
- {
- push es
-
- lea di, function
- TC_ASM_MOV_EAX_DI
- lea di, MemoryMapContValue
- TC_ASM_MOV_EBX_DI
- lea di, bufferSize
- TC_ASM_MOV_ECX_DI
- lea di, magic
- TC_ASM_MOV_EDX_DI
- lea di, MemoryMapContValue
- TC_ASM_MOV_DI_ECX
-
- // Use alternative segment to prevent memory corruption caused by buggy BIOSes
- push TC_BOOT_LOADER_ALT_SEGMENT
- pop es
- mov di, 0
-
- int 0x15
- jnc no_carry
- mov carry, true
- no_carry:
-
- lea di, resultMagic
- TC_ASM_MOV_DI_EAX
- lea di, MemoryMapContValue
- TC_ASM_MOV_DI_EBX
- lea di, resultSize
- TC_ASM_MOV_DI_ECX
-
- pop es
- }
-
- CopyMemory (TC_BOOT_LOADER_ALT_SEGMENT, 0, &entry, sizeof (entry));
-
- // BIOS may set CF at the end of the list
- if (carry)
- MemoryMapContValue = 0;
-
- return resultMagic == magic && resultSize == bufferSize;
-}
-
-
-bool GetFirstBiosMemoryMapEntry (BiosMemoryMapEntry &entry)
-{
- MemoryMapContValue = 0;
- return GetMemoryMapEntry (entry);
-}
-
-
-bool GetNextBiosMemoryMapEntry (BiosMemoryMapEntry &entry)
-{
- if (MemoryMapContValue == 0)
- return false;
-
- return GetMemoryMapEntry (entry);
-}
+/*
+ Derived from source code of TrueCrypt 7.1a, which is
+ Copyright (c) 2008-2012 TrueCrypt Developers Association and which is governed
+ by the TrueCrypt License 3.0.
+
+ Modifications and additions to the original source code (contained in this file)
+ and all other portions of this file are Copyright (c) 2013-2016 IDRIX
+ and are governed by the Apache License 2.0 the full text of which is
+ contained in the file License.txt included in VeraCrypt binary and source
+ code distribution packages.
+*/
+
+#include "BootDefs.h"
+#include "BootMemory.h"
+
+static uint32 MemoryMapContValue;
+
+static bool GetMemoryMapEntry (BiosMemoryMapEntry &entry)
+{
+ static const uint32 function = 0x0000E820UL;
+ static const uint32 magic = 0x534D4150UL;
+ static const uint32 bufferSize = sizeof (BiosMemoryMapEntry);
+
+ bool carry = false;
+ uint32 resultMagic;
+ uint32 resultSize;
+
+ __asm
+ {
+ push es
+
+ lea di, function
+ TC_ASM_MOV_EAX_DI
+ lea di, MemoryMapContValue
+ TC_ASM_MOV_EBX_DI
+ lea di, bufferSize
+ TC_ASM_MOV_ECX_DI
+ lea di, magic
+ TC_ASM_MOV_EDX_DI
+ lea di, MemoryMapContValue
+ TC_ASM_MOV_DI_ECX
+
+ // Use alternative segment to prevent memory corruption caused by buggy BIOSes
+ push TC_BOOT_LOADER_ALT_SEGMENT
+ pop es
+ mov di, 0
+
+ int 0x15
+ jnc no_carry
+ mov carry, true
+ no_carry:
+
+ lea di, resultMagic
+ TC_ASM_MOV_DI_EAX
+ lea di, MemoryMapContValue
+ TC_ASM_MOV_DI_EBX
+ lea di, resultSize
+ TC_ASM_MOV_DI_ECX
+
+ pop es
+ }
+
+ CopyMemory (TC_BOOT_LOADER_ALT_SEGMENT, 0, &entry, sizeof (entry));
+
+ // BIOS may set CF at the end of the list
+ if (carry)
+ MemoryMapContValue = 0;
+
+ return resultMagic == magic && resultSize == bufferSize;
+}
+
+
+bool GetFirstBiosMemoryMapEntry (BiosMemoryMapEntry &entry)
+{
+ MemoryMapContValue = 0;
+ return GetMemoryMapEntry (entry);
+}
+
+
+bool GetNextBiosMemoryMapEntry (BiosMemoryMapEntry &entry)
+{
+ if (MemoryMapContValue == 0)
+ return false;
+
+ return GetMemoryMapEntry (entry);
+}