/** @file\r
I/O Library MMIO Buffer Functions.\r
\r
- Copyright (c) 2007, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
+ Copyright (c) 2007 - 2009, 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
http://opensource.org/licenses/bsd-license.php\r
\r
**/\r
\r
+#include "BaseIoLibIntrinsicInternal.h"\r
+\r
/**\r
Copy data from MMIO region to system memory by using 8-bit access.\r
\r
\r
\r
@param StartAddress Starting address for the MMIO region to be copied from.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer receiving the data read.\r
\r
@return Buffer\r
\r
ReturnBuffer = Buffer;\r
\r
- while (Length--) {\r
+ while (Length-- != 0) {\r
*(Buffer++) = MmioRead8 (StartAddress++);\r
}\r
\r
If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied from.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer receiving the data read.\r
\r
@return Buffer\r
\r
ReturnBuffer = Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
*(Buffer++) = MmioRead16 (StartAddress);\r
StartAddress += sizeof (UINT16);\r
Length -= sizeof (UINT16);\r
If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied from.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer receiving the data read.\r
\r
@return Buffer\r
\r
ReturnBuffer = Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
*(Buffer++) = MmioRead32 (StartAddress);\r
StartAddress += sizeof (UINT32);\r
Length -= sizeof (UINT32);\r
If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied from.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer receiving the data read.\r
\r
@return Buffer\r
\r
ReturnBuffer = Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
*(Buffer++) = MmioRead64 (StartAddress);\r
StartAddress += sizeof (UINT64);\r
Length -= sizeof (UINT64);\r
\r
\r
@param StartAddress Starting address for the MMIO region to be copied to.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer containing the data to write.\r
\r
- @return Size in bytes of the copy.\r
+ @return Buffer\r
\r
**/\r
UINT8 *\r
\r
ReturnBuffer = (UINT8 *) Buffer;\r
\r
- while (Length--) {\r
+ while (Length-- != 0) {\r
MmioWrite8 (StartAddress++, *(Buffer++));\r
}\r
\r
\r
Copy data from system memory specified by Buffer to MMIO region specified \r
by starting address StartAddress by using 16-bit access. The total number \r
- of byte to be copied is specified by Length. Length is returned.\r
+ of byte to be copied is specified by Length. Buffer is returned.\r
\r
If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r
\r
If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied to.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer containing the data to write.\r
\r
- @return Size in bytes of the copy.\r
+ @return Buffer\r
\r
**/\r
UINT16 *\r
\r
ReturnBuffer = (UINT16 *) Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
MmioWrite16 (StartAddress, *(Buffer++));\r
\r
StartAddress += sizeof (UINT16);\r
\r
Copy data from system memory specified by Buffer to MMIO region specified \r
by starting address StartAddress by using 32-bit access. The total number \r
- of byte to be copied is specified by Length. Length is returned.\r
+ of byte to be copied is specified by Length. Buffer is returned.\r
\r
If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r
\r
If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied to.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer containing the data to write.\r
\r
- @return Size in bytes of the copy.\r
+ @return Buffer\r
\r
**/\r
UINT32 *\r
\r
ReturnBuffer = (UINT32 *) Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
MmioWrite32 (StartAddress, *(Buffer++));\r
\r
StartAddress += sizeof (UINT32);\r
\r
Copy data from system memory specified by Buffer to MMIO region specified \r
by starting address StartAddress by using 64-bit access. The total number \r
- of byte to be copied is specified by Length. Length is returned.\r
+ of byte to be copied is specified by Length. Buffer is returned.\r
\r
If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r
\r
If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
\r
@param StartAddress Starting address for the MMIO region to be copied to.\r
- @param Length Size in bytes of the copy.\r
+ @param Length The size, in bytes, of Buffer.\r
@param Buffer Pointer to a system memory buffer containing the data to write.\r
\r
- @return Size in bytes of the copy.\r
+ @return Buffer\r
\r
**/\r
UINT64 *\r
\r
ReturnBuffer = (UINT64 *) Buffer;\r
\r
- while (Length) {\r
+ while (Length != 0) {\r
MmioWrite64 (StartAddress, *(Buffer++));\r
\r
StartAddress += sizeof (UINT64);\r