/** @file\r
- I/O and MMIO Library Services\r
+ I/O and MMIO Library Services\r
\r
- Copyright (c) 2006, Intel Corporation\r
- All rights reserved. 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
+ Copyright (c) 2006 - 2007, Intel Corporation\r
+ All rights reserved. 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
- Module Name: IoLib.h\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
\r
If 8-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit I/O port operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Port The I/O port to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 8-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 16-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 32-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
If 64-bit MMIO register operations are not supported, then ASSERT().\r
If StartBit is greater than 63, then ASSERT().\r
If EndBit is greater than 63, then ASSERT().\r
- If EndBit is less than or equal to StartBit, then ASSERT().\r
+ If EndBit is less than StartBit, then ASSERT().\r
\r
@param Address MMIO register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
IN UINT64 OrData\r
);\r
\r
+/**\r
+ Copy data from MMIO region to system memory by using 8-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 8-bit access. The total \r
+ number of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\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 Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+MmioReadBuffer8 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT8 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 16-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 16-bit access. The total \r
+ number 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 Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 16-bit boundary, then ASSERT().\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 Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT16 *\r
+EFIAPI\r
+MmioReadBuffer16 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT16 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 32-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 32-bit access. The total \r
+ number 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 Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 32-bit boundary, then ASSERT().\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 Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT32 *\r
+EFIAPI\r
+MmioReadBuffer32 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT32 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 64-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 64-bit access. The total \r
+ number 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 Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 64-bit boundary, then ASSERT().\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 Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT64 *\r
+EFIAPI\r
+MmioReadBuffer64 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT64 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 8-bit access.\r
+\r
+ Copy data from system memory specified by Buffer to MMIO region specified \r
+ by starting address StartAddress by using 8-bit access. The total number \r
+ of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\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 Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+MmioWriteBuffer8 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT8 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 16-bit access.\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
+ \r
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length 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 Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT16 *\r
+EFIAPI\r
+MmioWriteBuffer16 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT16 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 32-bit access.\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
+ \r
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length 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 Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT32 *\r
+EFIAPI\r
+MmioWriteBuffer32 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT32 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 64-bit access.\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
+ \r
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length 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 Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT64 *\r
+EFIAPI\r
+MmioWriteBuffer64 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT64 *Buffer\r
+ );\r
+\r
+\r
#endif\r
+\r
projects / mirror_edk2.git / blobdiff