Add ASSERT() for BitField operations to make sure the input value is valid.

[mirror_edk2.git] / MdePkg / Library / BasePciLibCf8 / PciLib.c

diff --git a/MdePkg/Library/BasePciLibCf8/PciLib.c b/MdePkg/Library/BasePciLibCf8/PciLib.c
index f64f73a370abae86a75fa0d839e34be16c5ae7f2..f5f21475d8bd40333dc14642a4250dcb5a0d3197 100644 (file)
--- a/MdePkg/Library/BasePciLibCf8/PciLib.c
+++ b/MdePkg/Library/BasePciLibCf8/PciLib.c
@@ -2,7 +2,7 @@
   PCI Library functions that use I/O ports 0xCF8 and 0xCFC to perform\r
   PCI Configuration cycles. Layers on top of one PCI CF8 Library instance.\r
 \r
-  Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+  Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>\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
@@ -236,6 +236,7 @@ PciBitFieldRead8 (
   If StartBit is greater than 7, then ASSERT().\r
   If EndBit is greater than 7, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -274,6 +275,7 @@ PciBitFieldWrite8 (
   If StartBit is greater than 7, then ASSERT().\r
   If EndBit is greater than 7, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -312,6 +314,7 @@ PciBitFieldOr8 (
   If StartBit is greater than 7, then ASSERT().\r
   If EndBit is greater than 7, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -352,6 +355,8 @@ PciBitFieldAnd8 (
   If StartBit is greater than 7, then ASSERT().\r
   If EndBit is greater than 7, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -571,6 +576,7 @@ PciBitFieldRead16 (
   If StartBit is greater than 15, then ASSERT().\r
   If EndBit is greater than 15, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -610,6 +616,7 @@ PciBitFieldWrite16 (
   If StartBit is greater than 15, then ASSERT().\r
   If EndBit is greater than 15, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -649,6 +656,7 @@ PciBitFieldOr16 (
   If StartBit is greater than 15, then ASSERT().\r
   If EndBit is greater than 15, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -690,6 +698,8 @@ PciBitFieldAnd16 (
   If StartBit is greater than 15, then ASSERT().\r
   If EndBit is greater than 15, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -909,6 +919,7 @@ PciBitFieldRead32 (
   If StartBit is greater than 31, then ASSERT().\r
   If EndBit is greater than 31, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -948,6 +959,7 @@ PciBitFieldWrite32 (
   If StartBit is greater than 31, then ASSERT().\r
   If EndBit is greater than 31, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -987,6 +999,7 @@ PciBitFieldOr32 (
   If StartBit is greater than 31, then ASSERT().\r
   If EndBit is greater than 31, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r
@@ -1028,6 +1041,8 @@ PciBitFieldAnd32 (
   If StartBit is greater than 31, then ASSERT().\r
   If EndBit is greater than 31, then ASSERT().\r
   If EndBit is less than StartBit, then ASSERT().\r
+  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
 \r
   @param  Address   The PCI configuration register to write.\r
   @param  StartBit  The ordinal of the least significant bit in the bit field.\r