Synchronize the h files with c files.

git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6967 6f19259b-4bc3-4df7-8a09-765794883524

7 files changed, 335 insertions, 187 deletions

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoHighLevel.c b/MdePkg/Library/BaseIoLibIntrinsic/IoHighLevel.c
index 344a9faf8b..ece2f97102 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoHighLevel.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoHighLevel.c
@@ -127,8 +127,7 @@ IoAndThenOr8 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..7.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT8

@@ -314,6 +313,7 @@ IoBitFieldAndThenOr8 (
   operations are serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  OrData  The value to OR with the read value from the I/O port.

@@ -342,7 +342,8 @@ IoOr16 (
   are serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

 

@@ -371,7 +372,8 @@ IoAnd16 (
   I/O read and write operations are serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

   @param  OrData  The value to OR with the result of the AND operation.

@@ -397,6 +399,7 @@ IoAndThenOr16 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -407,8 +410,7 @@ IoAndThenOr16 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..15.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT16

@@ -431,6 +433,7 @@ IoBitFieldRead16 (
   left bits in Value are stripped.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -471,6 +474,7 @@ IoBitFieldWrite16 (
   operations are serialized. Extra left bits in OrData are stripped.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -511,6 +515,7 @@ IoBitFieldOr16 (
   are serialized. Extra left bits in AndData are stripped.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -553,6 +558,7 @@ IoBitFieldAnd16 (
   AndData and OrData are stripped.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -595,6 +601,7 @@ IoBitFieldAndThenOr16 (
   operations are serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  OrData  The value to OR with the read value from the I/O port.

@@ -623,6 +630,7 @@ IoOr32 (
   are serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

@@ -652,6 +660,7 @@ IoAnd32 (
   I/O read and write operations are serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

@@ -678,6 +687,7 @@ IoAndThenOr32 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -688,8 +698,7 @@ IoAndThenOr32 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..31.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT32

@@ -712,6 +721,7 @@ IoBitFieldRead32 (
   left bits in Value are stripped.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -752,6 +762,7 @@ IoBitFieldWrite32 (
   operations are serialized. Extra left bits in OrData are stripped.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -792,6 +803,7 @@ IoBitFieldOr32 (
   are serialized. Extra left bits in AndData are stripped.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -834,6 +846,7 @@ IoBitFieldAnd32 (
   AndData and OrData are stripped.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -876,6 +889,7 @@ IoBitFieldAndThenOr32 (
   operations are serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  OrData  The value to OR with the read value from the I/O port.

@@ -904,6 +918,7 @@ IoOr64 (
   are serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

@@ -933,6 +948,7 @@ IoAnd64 (
   I/O read and write operations are serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port    The I/O port to write.

   @param  AndData The value to AND with the read value from the I/O port.

@@ -959,6 +975,7 @@ IoAndThenOr64 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -969,8 +986,7 @@ IoAndThenOr64 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..63.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT64

@@ -993,6 +1009,7 @@ IoBitFieldRead64 (
   left bits in Value are stripped.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1033,6 +1050,7 @@ IoBitFieldWrite64 (
   operations are serialized. Extra left bits in OrData are stripped.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1073,6 +1091,7 @@ IoBitFieldOr64 (
   are serialized. Extra left bits in AndData are stripped.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1115,6 +1134,7 @@ IoBitFieldAnd64 (
   AndData and OrData are stripped.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1251,8 +1271,7 @@ MmioAndThenOr8 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..7.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT8

@@ -1440,6 +1459,7 @@ MmioBitFieldAndThenOr8 (
   all MMIO read and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  OrData  The value to OR with the read value from the MMIO register.

@@ -1468,6 +1488,7 @@ MmioOr16 (
   read and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -1497,7 +1518,7 @@ MmioAnd16 (
   must guarantee that all MMIO read and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

-

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -1524,6 +1545,7 @@ MmioAndThenOr16 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1534,8 +1556,7 @@ MmioAndThenOr16 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..15.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT16

@@ -1557,6 +1578,7 @@ MmioBitFieldRead16 (
   MMIO register are preserved. The new value of the 16-bit register is returned.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1598,6 +1620,7 @@ MmioBitFieldWrite16 (
   are stripped.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1639,6 +1662,7 @@ MmioBitFieldOr16 (
   stripped.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1681,6 +1705,7 @@ MmioBitFieldAnd16 (
   serialized. Extra left bits in both AndData and OrData are stripped.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

   If StartBit is greater than 15, then ASSERT().

   If EndBit is greater than 15, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1723,6 +1748,7 @@ MmioBitFieldAndThenOr16 (
   all MMIO read and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  OrData  The value to OR with the read value from the MMIO register.

@@ -1751,6 +1777,7 @@ MmioOr32 (
   read and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -1780,7 +1807,7 @@ MmioAnd32 (
   must guarantee that all MMIO read and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

-

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -1807,6 +1834,7 @@ MmioAndThenOr32 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1817,8 +1845,7 @@ MmioAndThenOr32 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..31.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT32

@@ -1840,6 +1867,7 @@ MmioBitFieldRead32 (
   MMIO register are preserved. The new value of the 32-bit register is returned.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1881,6 +1909,7 @@ MmioBitFieldWrite32 (
   are stripped.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1922,6 +1951,7 @@ MmioBitFieldOr32 (
   stripped.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -1964,6 +1994,7 @@ MmioBitFieldAnd32 (
   serialized. Extra left bits in both AndData and OrData are stripped.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

   If StartBit is greater than 31, then ASSERT().

   If EndBit is greater than 31, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -2006,6 +2037,7 @@ MmioBitFieldAndThenOr32 (
   all MMIO read and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  OrData  The value to OR with the read value from the MMIO register.

@@ -2034,6 +2066,7 @@ MmioOr64 (
   read and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -2063,7 +2096,7 @@ MmioAnd64 (
   must guarantee that all MMIO read and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

-

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  AndData The value to AND with the read value from the MMIO register.

@@ -2090,6 +2123,7 @@ MmioAndThenOr64 (
   the StartBit and the EndBit. The value of the bit field is returned.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -2100,8 +2134,7 @@ MmioAndThenOr64 (
   @param  EndBit    The ordinal of the most significant bit in the bit field.

                     Range 0..63.

 

-  @return The value read from I/O port specified by StartBit and

-          EndBit.

+  @return The value read.

 

 **/

 UINT64

@@ -2123,6 +2156,7 @@ MmioBitFieldRead64 (
   MMIO register are preserved. The new value of the 64-bit register is returned.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -2164,6 +2198,7 @@ MmioBitFieldWrite64 (
   are stripped.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -2205,6 +2240,7 @@ MmioBitFieldOr64 (
   stripped.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

@@ -2247,6 +2283,7 @@ MmioBitFieldAnd64 (
   serialized. Extra left bits in both AndData and OrData are stripped.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

   If StartBit is greater than 63, then ASSERT().

   If EndBit is greater than 63, then ASSERT().

   If EndBit is less than StartBit, then ASSERT().

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
index 86efa6db6a..1e8cb666b3 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLib.c
@@ -22,10 +22,11 @@
   serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to read.

 

-  @return Always return zero.

+  @return The value read.

 

 **/

 UINT64

@@ -46,11 +47,12 @@ IoRead64 (
   operations are serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

-  @return Always return zero.

+  @return The value written the I/O port.

 

 **/

 UINT64

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c
index 1377650042..0cca85ee24 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibGcc.c
@@ -35,7 +35,7 @@
 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT8

@@ -58,10 +58,9 @@ MmioRead8 (
 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

 **/

 UINT8

 EFIAPI

@@ -81,10 +80,11 @@ MmioWrite8 (
   operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT16

@@ -105,13 +105,13 @@ MmioRead16 (
   and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

 **/

 UINT16

 EFIAPI

@@ -132,10 +132,11 @@ MmioWrite16 (
   operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT32

@@ -156,13 +157,13 @@ MmioRead32 (
   and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

 **/

 UINT32

 EFIAPI

@@ -183,10 +184,11 @@ MmioWrite32 (
   operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT64

@@ -207,13 +209,11 @@ MmioRead64 (
   and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

 **/

 UINT64

 EFIAPI

@@ -243,6 +243,20 @@ MmioWrite64 (
 

 **/

 __inline__

+/**

+  Reads an 8-bit I/O port.

+

+  Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.

+  This function must guarantee that all I/O read and write operations are

+  serialized.

+

+  If 8-bit I/O port operations are not supported, then ASSERT().

+

+  @param  Port  The I/O port to read.

+

+  @return The value read.

+

+**/

 UINT8

 EFIAPI

 IoRead8 (

@@ -273,6 +287,21 @@ IoRead8 (
 

 **/

 __inline__

+/**

+  Writes an 8-bit I/O port.

+

+  Writes the 8-bit I/O port specified by Port with the value specified by Value

+  and returns Value. This function must guarantee that all I/O read and write

+  operations are serialized.

+

+  If 8-bit I/O port operations are not supported, then ASSERT().

+

+  @param  Port  The I/O port to write.

+  @param  Value The value to write to the I/O port.

+

+  @return The value written the I/O port.

+

+**/

 UINT8

 EFIAPI

 IoWrite8 (

@@ -299,6 +328,21 @@ IoWrite8 (
 

 **/

 __inline__

+/**

+  Reads a 16-bit I/O port.

+

+  Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.

+  This function must guarantee that all I/O read and write operations are

+  serialized.

+

+  If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+

+  @param  Port  The I/O port to read.

+

+  @return The value read.

+

+**/

 UINT16

 EFIAPI

 IoRead16 (

@@ -330,6 +374,22 @@ IoRead16 (
 

 **/

 __inline__

+/**

+  Writes a 16-bit I/O port.

+

+  Writes the 16-bit I/O port specified by Port with the value specified by Value

+  and returns Value. This function must guarantee that all I/O read and write

+  operations are serialized.

+

+  If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

+  @param  Port  The I/O port to write.

+  @param  Value The value to write to the I/O port.

+

+  @return The value written the I/O port.

+

+**/

 UINT16

 EFIAPI

 IoWrite16 (

@@ -357,6 +417,21 @@ IoWrite16 (
 

 **/

 __inline__

+/**

+  Reads a 32-bit I/O port.

+

+  Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.

+  This function must guarantee that all I/O read and write operations are

+  serialized.

+

+  If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

+  @param  Port  The I/O port to read.

+

+  @return The value read.

+

+**/

 UINT32

 EFIAPI

 IoRead32 (

@@ -388,11 +463,27 @@ IoRead32 (
 

 **/

 __inline__

+/**

+  Writes a 32-bit I/O port.

+

+  Writes the 32-bit I/O port specified by Port with the value specified by Value

+  and returns Value. This function must guarantee that all I/O read and write

+  operations are serialized.

+

+  If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

+  @param  Port  The I/O port to write.

+  @param  Value The value to write to the I/O port.

+

+  @return The value written the I/O port.

+

+**/

 UINT32

 EFIAPI

 IoWrite32 (

   IN      UINTN                     Port,

-  IN      UINT32  Value

+  IN      UINT32                    Value

   )

 {

   ASSERT ((Port & 3) == 0);

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIcc.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIcc.c
index 0d4ee40724..bfd9d03106 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIcc.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIcc.c
@@ -26,7 +26,7 @@
 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT8

@@ -50,9 +50,7 @@ MmioRead8 (
   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

+  @return Value.

 

 **/

 UINT8

@@ -73,10 +71,11 @@ MmioWrite8 (
   operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT16

@@ -97,13 +96,12 @@ MmioRead16 (
   and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

+  @return Value.

 

 **/

 UINT16

@@ -125,10 +123,11 @@ MmioWrite16 (
   operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT32

@@ -149,13 +148,12 @@ MmioRead32 (
   and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

+  @return Value.

 

 **/

 UINT32

@@ -177,10 +175,11 @@ MmioWrite32 (
   operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT64

@@ -201,13 +200,11 @@ MmioRead64 (
   and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

 **/

 UINT64

 EFIAPI

@@ -233,7 +230,7 @@ MmioWrite64 (
 

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT8

@@ -265,9 +262,7 @@ IoRead8 (
   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the input

-          Value instead of the actual value read back from the

-          I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT8

@@ -293,10 +288,11 @@ IoWrite8 (
   serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT16

@@ -326,13 +322,12 @@ IoRead16 (
   operations are serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the input

-          Value instead of the actual value read back from the

-          I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT16

@@ -361,10 +356,11 @@ IoWrite16 (
   serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT32

@@ -394,20 +390,19 @@ IoRead32 (
   operations are serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the input

-          Value instead of the actual value read back from the

-          I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT32

 EFIAPI

 IoWrite32 (

-  IN      UINTN   Port,

-  IN      UINT32  Value

+  IN      UINTN                     Port,

+  IN      UINT32                    Value

   )

 {

   ASSERT ((Port & 3) == 0);

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
index 7a5a4464aa..919b56aa73 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c
@@ -52,21 +52,23 @@ InternalGetMemoryMapAddress (
 }

 

 /**

-  Reads a 8-bit I/O port.

+  Reads an 8-bit I/O port.

 

   Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.

   This function must guarantee that all I/O read and write operations are

   serialized.

 

+  If 8-bit I/O port operations are not supported, then ASSERT().

+

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT8

 EFIAPI

 IoRead8 (

-  IN  UINTN                  Port

+  IN      UINTN                     Port

   )

 {

   return MmioRead8 (InternalGetMemoryMapAddress (Port));

@@ -79,15 +81,18 @@ IoRead8 (
   This function must guarantee that all I/O read and write operations are

   serialized.

 

+  If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT16

 EFIAPI

 IoRead16 (

-  IN  UINTN                  Port

+  IN      UINTN                     Port

   )

 {

   return MmioRead16 (InternalGetMemoryMapAddress (Port));

@@ -100,15 +105,18 @@ IoRead16 (
   This function must guarantee that all I/O read and write operations are

   serialized.

 

+  If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT32

 EFIAPI

 IoRead32 (

-  IN  UINTN                  Port

+  IN      UINTN                     Port

   )

 {

   return MmioRead32 (InternalGetMemoryMapAddress (Port));

@@ -122,10 +130,11 @@ IoRead32 (
   serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT64

@@ -139,28 +148,28 @@ IoRead64 (
 }

 

 /**

-  Writes a 8-bit I/O port.

+  Writes an 8-bit I/O port.

 

   Writes the 8-bit I/O port specified by Port with the value specified by Value

   and returns Value. This function must guarantee that all I/O read and write

   operations are serialized.

 

+  If 8-bit I/O port operations are not supported, then ASSERT().

+

   @param  Port  The I/O port to write.

-  @param  Data  The value to write to the I/O port.

+  @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the

-          input Value instead of the actual value read back from

-          the I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT8

 EFIAPI

 IoWrite8 (

-  IN  UINTN                  Port,

-  IN  UINT8                  Data

+  IN      UINTN                     Port,

+  IN      UINT8                     Value

   )

 {

-  return MmioWrite8 (InternalGetMemoryMapAddress (Port), Data);

+  return MmioWrite8 (InternalGetMemoryMapAddress (Port), Value);

 }

 

 /**

@@ -170,22 +179,23 @@ IoWrite8 (
   and returns Value. This function must guarantee that all I/O read and write

   operations are serialized.

 

+  If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

-  @param  Data  The value to write to the I/O port.

+  @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the

-          input Value instead of the actual value read back from

-          the I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT16

 EFIAPI

 IoWrite16 (

-  IN  UINTN                  Port,

-  IN  UINT16                 Data

+  IN      UINTN                     Port,

+  IN      UINT16                    Value

   )

 {

-  return MmioWrite16 (InternalGetMemoryMapAddress (Port), Data);

+  return MmioWrite16 (InternalGetMemoryMapAddress (Port), Value);

 }

 

 /**

@@ -195,22 +205,23 @@ IoWrite16 (
   and returns Value. This function must guarantee that all I/O read and write

   operations are serialized.

 

+  If 32-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

-  @param  Data  The value to write to the I/O port.

+  @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the

-          input Value instead of the actual value read back from

-          the I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT32

 EFIAPI

 IoWrite32 (

-  IN  UINTN                  Port,

-  IN  UINT32                 Data

+  IN      UINTN                     Port,

+  IN      UINT32                    Value

   )

 {

-  return MmioWrite32 (InternalGetMemoryMapAddress (Port), Data);

+  return MmioWrite32 (InternalGetMemoryMapAddress (Port), Value);

 }

 

 /**

@@ -221,13 +232,12 @@ IoWrite32 (
   operations are serialized.

 

   If 64-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

-  @return The value written to the I/O port. It equals to the

-          input Value instead of the actual value read back from

-          the I/O port.

+  @return The value written the I/O port.

 

 **/

 UINT64

@@ -242,21 +252,23 @@ IoWrite64 (
 }

 

 /**

-  Reads a 8-bit MMIO register.

+  Reads an 8-bit MMIO register.

 

   Reads the 8-bit MMIO register specified by Address. The 8-bit read value is

   returned. This function must guarantee that all MMIO read and write

   operations are serialized.

 

+  If 8-bit MMIO register operations are not supported, then ASSERT().

+

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT8

 EFIAPI

 MmioRead8 (

-  IN  UINTN                  Address

+  IN      UINTN                     Address

   )

 {

   UINT8            Data;

@@ -277,15 +289,18 @@ MmioRead8 (
   returned. This function must guarantee that all MMIO read and write

   operations are serialized.

 

+  If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

+

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT16

 EFIAPI

 MmioRead16 (

-  IN  UINTN                  Address

+  IN      UINTN                     Address

   )

 {

   UINT16           Data;

@@ -311,15 +326,18 @@ MmioRead16 (
   returned. This function must guarantee that all MMIO read and write

   operations are serialized.

 

+  If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

+

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT32

 EFIAPI

 MmioRead32 (

-  IN  UINTN                  Address

+  IN      UINTN                     Address

   )

 {

   UINT32           Data;

@@ -345,15 +363,18 @@ MmioRead32 (
   returned. This function must guarantee that all MMIO read and write

   operations are serialized.

 

+  If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

+

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT64

 EFIAPI

 MmioRead64 (

-  IN  UINTN                  Address

+  IN      UINTN                     Address

   )

 {

   UINT64           Data;

@@ -374,34 +395,34 @@ MmioRead64 (
 }

 

 /**

-  Writes a 8-bit MMIO register.

+  Writes an 8-bit MMIO register.

 

   Writes the 8-bit MMIO register specified by Address with the value specified

   by Value and returns Value. This function must guarantee that all MMIO read

   and write operations are serialized.

 

-  @param  Address The MMIO register to write.

-  @param  Data    The value to write to the MMIO register.

+  If 8-bit MMIO register operations are not supported, then ASSERT().

 

-  @return The value written to the Mmio. It equals to the

-          input Value instead of the actual value read back from

-          the Mmio.

+  @param  Address The MMIO register to write.

+  @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

 **/

 UINT8

 EFIAPI

 MmioWrite8 (

-  IN  UINTN                  Address,

-  IN  UINT8                  Data

+  IN      UINTN                     Address,

+  IN      UINT8                     Value

   )

 {

   Address |= BIT63;

 

   MemoryFence ();

-  *((volatile UINT8 *) Address) = Data;

+  *((volatile UINT8 *) Address) = Value;

   MemoryFence ();

 

-  return Data;

+  return Value;

 }

 

 /**

@@ -411,19 +432,20 @@ MmioWrite8 (
   by Value and returns Value. This function must guarantee that all MMIO read

   and write operations are serialized.

 

-  @param  Address The MMIO register to write.

-  @param  Data    The value to write to the MMIO register.

+  If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

-  @return The value written to the Mmio. It equals to the

-          input Value instead of the actual value read back from

-          the Mmio.

+  @param  Address The MMIO register to write.

+  @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

 **/

 UINT16

 EFIAPI

 MmioWrite16 (

-  IN  UINTN                  Address,

-  IN  UINT16                 Data

+  IN      UINTN                     Address,

+  IN      UINT16                    Value

   )

 {

   //

@@ -434,10 +456,10 @@ MmioWrite16 (
   Address |= BIT63;

 

   MemoryFence ();

-  *((volatile UINT16 *) Address) = Data;

+  *((volatile UINT16 *) Address) = Value;

   MemoryFence ();

 

-  return Data;

+  return Value;

 }

 

 /**

@@ -447,19 +469,20 @@ MmioWrite16 (
   by Value and returns Value. This function must guarantee that all MMIO read

   and write operations are serialized.

 

-  @param  Address The MMIO register to write.

-  @param  Data    The value to write to the MMIO register.

+  If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

-  @return The value written to the Mmio. It equals to the

-          input Value instead of the actual value read back from

-          the Mmio.

+  @param  Address The MMIO register to write.

+  @param  Value   The value to write to the MMIO register.

+  

+  @return Value.

 

 **/

 UINT32

 EFIAPI

 MmioWrite32 (

-  IN  UINTN                  Address,

-  IN  UINT32                 Data

+  IN      UINTN                     Address,

+  IN      UINT32                    Value

   )

 {

   //

@@ -470,10 +493,10 @@ MmioWrite32 (
   Address |= BIT63;

 

   MemoryFence ();

-  *((volatile UINT32 *) Address) = Data;

+  *((volatile UINT32 *) Address) = Value;

   MemoryFence ();

 

-  return Data;

+  return Value;

 }

 

 /**

@@ -483,19 +506,18 @@ MmioWrite32 (
   by Value and returns Value. This function must guarantee that all MMIO read

   and write operations are serialized.

 

-  @param  Address The MMIO register to write.

-  @param  Data    The value to write to the MMIO register.

+  If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

-  @return The value written to the Mmio. It equals to the

-          input Value instead of the actual value read back from

-          the Mmio.

+  @param  Address The MMIO register to write.

+  @param  Value   The value to write to the MMIO register.

 

 **/

 UINT64

 EFIAPI

 MmioWrite64 (

-  IN  UINTN                  Address,

-  IN  UINT64                 Data

+  IN      UINTN                     Address,

+  IN      UINT64                    Value

   )

 {

   //

@@ -506,8 +528,8 @@ MmioWrite64 (
   Address |= BIT63;

 

   MemoryFence ();

-  *((volatile UINT64 *) Address) = Data;

+  *((volatile UINT64 *) Address) = Value;

   MemoryFence ();

 

-  return Data;

+  return Value;

 }

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibMmioBuffer.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibMmioBuffer.c
index d6ff0ba011..35829cede8 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibMmioBuffer.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibMmioBuffer.c
@@ -26,10 +26,10 @@
 

 

   @param  StartAddress    Starting address for the MMIO region to be copied from.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer receiving the data read.

 

-  @return Buffer contains the data read from Mmio.

+  @return Buffer

 

 **/

 UINT8 *

@@ -70,10 +70,10 @@ MmioReadBuffer8 (
   If Buffer is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied from.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer receiving the data read.

 

-  @return Buffer contains the data read from Mmio.

+  @return Buffer

 

 **/

 UINT16 *

@@ -121,10 +121,10 @@ MmioReadBuffer16 (
   If Buffer is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied from.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer receiving the data read.

 

-  @return Buffer contains the data read from Mmio.

+  @return Buffer

 

 **/

 UINT32 *

@@ -172,10 +172,10 @@ MmioReadBuffer32 (
   If Buffer is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied from.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer receiving the data read.

 

-  @return Buffer contains the data read from Mmio.

+  @return Buffer

 

 **/

 UINT64 *

@@ -220,7 +220,7 @@ MmioReadBuffer64 (
 

 

   @param  StartAddress    Starting address for the MMIO region to be copied to.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer containing the data to write.

 

   @return Size in bytes of the copy.

@@ -266,7 +266,7 @@ MmioWriteBuffer8 (
   If Buffer is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied to.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer containing the data to write.

 

   @return Size in bytes of the copy.

@@ -320,7 +320,7 @@ MmioWriteBuffer16 (
   If Buffer is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied to.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer containing the data to write.

 

   @return Size in bytes of the copy.

@@ -373,7 +373,7 @@ MmioWriteBuffer32 (
   If Buffer is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  StartAddress    Starting address for the MMIO region to be copied to.

-  @param  Length          Size in bytes of the copy.

+  @param  Length          The size, in bytes, of Buffer.

   @param  Buffer          Pointer to a system memory buffer containing the data to write.

 

   @return Size in bytes of the copy.

diff --git a/MdePkg/Library/BaseIoLibIntrinsic/IoLibMsc.c b/MdePkg/Library/BaseIoLibIntrinsic/IoLibMsc.c
index 7973d4f3d8..e982fa0058 100644
--- a/MdePkg/Library/BaseIoLibIntrinsic/IoLibMsc.c
+++ b/MdePkg/Library/BaseIoLibIntrinsic/IoLibMsc.c
@@ -62,7 +62,7 @@ void          _ReadWriteBarrier (void);
 

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT8

@@ -115,10 +115,11 @@ IoWrite8 (
   serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT16

@@ -144,7 +145,8 @@ IoRead16 (
   operations are serialized.

 

   If 16-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 16-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

@@ -173,10 +175,11 @@ IoWrite16 (
   serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to read.

 

-  @return The value read from Port.

+  @return The value read.

 

 **/

 UINT32

@@ -202,7 +205,8 @@ IoRead32 (
   operations are serialized.

 

   If 32-bit I/O port operations are not supported, then ASSERT().

-

+  If Port is not aligned on a 32-bit boundary, then ASSERT().

+  

   @param  Port  The I/O port to write.

   @param  Value The value to write to the I/O port.

 

@@ -235,7 +239,7 @@ IoWrite32 (
 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT8

@@ -262,10 +266,8 @@ MmioRead8 (
   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

-  

+  @return Value.

+

 **/

 UINT8

 EFIAPI

@@ -285,10 +287,11 @@ MmioWrite8 (
   operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT16

@@ -312,12 +315,12 @@ MmioRead16 (
   and write operations are serialized.

 

   If 16-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 16-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value read from the Mmio after wrote specified

-          Value.

+  @return Value.

 

 **/

 UINT16

@@ -339,10 +342,11 @@ MmioWrite16 (
   operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT32

@@ -366,13 +370,12 @@ MmioRead32 (
   and write operations are serialized.

 

   If 32-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 32-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

   

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

+  @return Value.

 

 **/

 UINT32

@@ -394,10 +397,11 @@ MmioWrite32 (
   operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to read.

 

-  @return The value read from Address.

+  @return The value read.

 

 **/

 UINT64

@@ -421,14 +425,11 @@ MmioRead64 (
   and write operations are serialized.

 

   If 64-bit MMIO register operations are not supported, then ASSERT().

+  If Address is not aligned on a 64-bit boundary, then ASSERT().

 

   @param  Address The MMIO register to write.

   @param  Value   The value to write to the MMIO register.

 

-  @return The value written to the Mmio. It equals to the input

-          Value instead of the actual value read back from the

-          Mmio.

-  

 **/

 UINT64

 EFIAPI