diff options
Diffstat (limited to 'MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c')
| -rw-r--r-- | MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c b/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c deleted file mode 100644 index b8e6d83665..0000000000 --- a/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c +++ /dev/null @@ -1,409 +0,0 @@ -/** @file
- I/O Library MMIO Buffer Functions.
-
- Copyright (c) 2007, Intel Corporation<BR>
- All rights reserved. This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
-**/
-
-/**
- Copy data from MMIO region to system memory by using 8-bit access.
-
- Copy data from MMIO region specified by starting address StartAddress
- to system memory specified by Buffer by using 8-bit access. The total
- number of byte to be copied is specified by Length. Buffer is returned.
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
-
-
- @param StartAddress Starting address for the MMIO region to be copied from.
- @param Length Size in bytes of the copy.
- @param Buffer Pointer to a system memory buffer receiving the data read.
-
- @return Buffer
-
-**/
-UINT8 *
-EFIAPI
-MmioReadBuffer8 (
- IN UINTN StartAddress,
- IN UINTN Length,
- OUT UINT8 *Buffer
- )
-{
- UINT8 *ReturnBuffer;
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ReturnBuffer = Buffer;
-
- while (Length--) {
- *(Buffer++) = MmioRead8 (StartAddress++);
- }
-
- return ReturnBuffer;
-}
-
-/**
- Copy data from MMIO region to system memory by using 16-bit access.
-
- Copy data from MMIO region specified by starting address StartAddress
- to system memory specified by Buffer by using 16-bit access. The total
- number of byte to be copied is specified by Length. Buffer is returned.
-
- If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 16-bit boundary, then ASSERT().
- 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 Buffer Pointer to a system memory buffer receiving the data read.
-
- @return Buffer
-
-**/
-UINT16 *
-EFIAPI
-MmioReadBuffer16 (
- IN UINTN StartAddress,
- IN UINTN Length,
- OUT UINT16 *Buffer
- )
-{
- UINT16 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT16) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT16) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT16) - 1)) == 0);
-
- ReturnBuffer = Buffer;
-
- while (Length) {
- *(Buffer++) = MmioRead16 (StartAddress);
- StartAddress += sizeof (UINT16);
- Length -= sizeof (UINT16);
- }
-
- return ReturnBuffer;
-}
-
-/**
- Copy data from MMIO region to system memory by using 32-bit access.
-
- Copy data from MMIO region specified by starting address StartAddress
- to system memory specified by Buffer by using 32-bit access. The total
- number of byte to be copied is specified by Length. Buffer is returned.
-
- If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 32-bit boundary, then ASSERT().
- 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 Buffer Pointer to a system memory buffer receiving the data read.
-
- @return Buffer
-
-**/
-UINT32 *
-EFIAPI
-MmioReadBuffer32 (
- IN UINTN StartAddress,
- IN UINTN Length,
- OUT UINT32 *Buffer
- )
-{
- UINT32 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT32) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT32) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT32) - 1)) == 0);
-
- ReturnBuffer = Buffer;
-
- while (Length) {
- *(Buffer++) = MmioRead32 (StartAddress);
- StartAddress += sizeof (UINT32);
- Length -= sizeof (UINT32);
- }
-
- return ReturnBuffer;
-}
-
-/**
- Copy data from MMIO region to system memory by using 64-bit access.
-
- Copy data from MMIO region specified by starting address StartAddress
- to system memory specified by Buffer by using 64-bit access. The total
- number of byte to be copied is specified by Length. Buffer is returned.
-
- If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 64-bit boundary, then ASSERT().
- 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 Buffer Pointer to a system memory buffer receiving the data read.
-
- @return Buffer
-
-**/
-UINT64 *
-EFIAPI
-MmioReadBuffer64 (
- IN UINTN StartAddress,
- IN UINTN Length,
- OUT UINT64 *Buffer
- )
-{
- UINT64 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT64) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT64) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT64) - 1)) == 0);
-
- ReturnBuffer = Buffer;
-
- while (Length) {
- *(Buffer++) = MmioRead64 (StartAddress);
- StartAddress += sizeof (UINT64);
- Length -= sizeof (UINT64);
- }
-
- return ReturnBuffer;
-}
-
-
-/**
- Copy data from system memory to MMIO region by using 8-bit access.
-
- Copy data from system memory specified by Buffer to MMIO region specified
- by starting address StartAddress by using 8-bit access. The total number
- of byte to be copied is specified by Length. Buffer is returned.
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
-
-
- @param StartAddress Starting address for the MMIO region to be copied to.
- @param Length Size in bytes of the copy.
- @param Buffer Pointer to a system memory buffer containing the data to write.
-
- @return Size in bytes of the copy.
-
-**/
-UINT8 *
-EFIAPI
-MmioWriteBuffer8 (
- IN UINTN StartAddress,
- IN UINTN Length,
- IN CONST UINT8 *Buffer
- )
-{
- VOID* ReturnBuffer;
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ReturnBuffer = (UINT8 *) Buffer;
-
- while (Length--) {
- MmioWrite8 (StartAddress++, *(Buffer++));
- }
-
- return ReturnBuffer;
-
-}
-
-/**
- Copy data from system memory to MMIO region by using 16-bit access.
-
- Copy data from system memory specified by Buffer to MMIO region specified
- by starting address StartAddress by using 16-bit access. The total number
- of byte to be copied is specified by Length. Length is returned.
-
- If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 16-bit boundary, then ASSERT().
-
- 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 Buffer Pointer to a system memory buffer containing the data to write.
-
- @return Size in bytes of the copy.
-
-**/
-UINT16 *
-EFIAPI
-MmioWriteBuffer16 (
- IN UINTN StartAddress,
- IN UINTN Length,
- IN CONST UINT16 *Buffer
- )
-{
- UINT16 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT16) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT16) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT16) - 1)) == 0);
-
- ReturnBuffer = (UINT16 *) Buffer;
-
- while (Length) {
- MmioWrite16 (StartAddress, *(Buffer++));
-
- StartAddress += sizeof (UINT16);
- Length -= sizeof (UINT16);
- }
-
- return ReturnBuffer;
-}
-
-
-/**
- Copy data from system memory to MMIO region by using 32-bit access.
-
- Copy data from system memory specified by Buffer to MMIO region specified
- by starting address StartAddress by using 32-bit access. The total number
- of byte to be copied is specified by Length. Length is returned.
-
- If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 32-bit boundary, then ASSERT().
-
- 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 Buffer Pointer to a system memory buffer containing the data to write.
-
- @return Size in bytes of the copy.
-
-**/
-UINT32 *
-EFIAPI
-MmioWriteBuffer32 (
- IN UINTN StartAddress,
- IN UINTN Length,
- IN CONST UINT32 *Buffer
- )
-{
- UINT32 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT32) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT32) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT32) - 1)) == 0);
-
- ReturnBuffer = (UINT32 *) Buffer;
-
- while (Length) {
- MmioWrite32 (StartAddress, *(Buffer++));
-
- StartAddress += sizeof (UINT32);
- Length -= sizeof (UINT32);
- }
-
- return ReturnBuffer;
-}
-
-/**
- Copy data from system memory to MMIO region by using 64-bit access.
-
- Copy data from system memory specified by Buffer to MMIO region specified
- by starting address StartAddress by using 64-bit access. The total number
- of byte to be copied is specified by Length. Length is returned.
-
- If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
-
- If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
- If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
-
- If Length is not aligned on a 64-bit boundary, then ASSERT().
-
- 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 Buffer Pointer to a system memory buffer containing the data to write.
-
- @return Size in bytes of the copy.
-
-**/
-UINT64 *
-EFIAPI
-MmioWriteBuffer64 (
- IN UINTN StartAddress,
- IN UINTN Length,
- IN CONST UINT64 *Buffer
- )
-{
- UINT64 *ReturnBuffer;
-
- ASSERT ((StartAddress & (sizeof (UINT64) - 1)) == 0);
-
- ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
- ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
- ASSERT ((Length & (sizeof (UINT64) - 1)) == 0);
- ASSERT (((UINTN) Buffer & (sizeof (UINT64) - 1)) == 0);
-
- ReturnBuffer = (UINT64 *) Buffer;
-
- while (Length) {
- MmioWrite64 (StartAddress, *(Buffer++));
-
- StartAddress += sizeof (UINT64);
- Length -= sizeof (UINT64);
- }
-
- return ReturnBuffer;
-}
-
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