diff options
Diffstat (limited to 'MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c')
| -rw-r--r-- | MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c b/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c index 328d03c431..10f60bd560 100644 --- a/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c +++ b/MdePkg/Library/PeiIoLibCpuIo/IoLibMmioBuffer.c @@ -2,7 +2,7 @@ I/O Library MMIO Buffer Functions.
The implementations are based on EFI_PEI_SERVICE->CpuIo interface.
- Copyright (c) 2007 - 2009, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>
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
@@ -24,11 +24,11 @@ /**
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
+ 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 - StartAddress + 1), then ASSERT().
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
@@ -51,9 +51,9 @@ MmioReadBuffer8 ( ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
+
ReturnBuffer = Buffer;
-
+
while (Length-- != 0) {
*(Buffer++) = MmioRead8 (StartAddress++);
}
@@ -64,13 +64,13 @@ MmioReadBuffer8 ( /**
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
+ 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 - 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().
@@ -94,15 +94,15 @@ MmioReadBuffer16 ( 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 != 0) {
*(Buffer++) = MmioRead16 (StartAddress);
StartAddress += sizeof (UINT16);
@@ -115,13 +115,13 @@ MmioReadBuffer16 ( /**
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
+ 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 - 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().
@@ -145,15 +145,15 @@ MmioReadBuffer32 ( 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 != 0) {
*(Buffer++) = MmioRead32 (StartAddress);
StartAddress += sizeof (UINT32);
@@ -166,13 +166,13 @@ MmioReadBuffer32 ( /**
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
+ 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 - 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().
@@ -196,15 +196,15 @@ MmioReadBuffer64 ( 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 != 0) {
*(Buffer++) = MmioRead64 (StartAddress);
StartAddress += sizeof (UINT64);
@@ -218,11 +218,11 @@ MmioReadBuffer64 ( /**
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
+ 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 - StartAddress + 1), then ASSERT().
If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
@@ -245,27 +245,27 @@ MmioWriteBuffer8 ( ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
-
+
ReturnBuffer = (UINT8 *) Buffer;
-
+
while (Length-- != 0) {
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
+ 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. 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 - 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().
@@ -290,7 +290,7 @@ MmioWriteBuffer16 ( UINT16 *ReturnBuffer;
ASSERT ((StartAddress & (sizeof (UINT16) - 1)) == 0);
-
+
ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
@@ -298,10 +298,10 @@ MmioWriteBuffer16 ( ASSERT (((UINTN) Buffer & (sizeof (UINT16) - 1)) == 0);
ReturnBuffer = (UINT16 *) Buffer;
-
+
while (Length != 0) {
MmioWrite16 (StartAddress, *(Buffer++));
-
+
StartAddress += sizeof (UINT16);
Length -= sizeof (UINT16);
}
@@ -313,13 +313,13 @@ MmioWriteBuffer16 ( /**
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
+ 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. 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 - 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().
@@ -344,7 +344,7 @@ MmioWriteBuffer32 ( UINT32 *ReturnBuffer;
ASSERT ((StartAddress & (sizeof (UINT32) - 1)) == 0);
-
+
ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
@@ -352,10 +352,10 @@ MmioWriteBuffer32 ( ASSERT (((UINTN) Buffer & (sizeof (UINT32) - 1)) == 0);
ReturnBuffer = (UINT32 *) Buffer;
-
+
while (Length != 0) {
MmioWrite32 (StartAddress, *(Buffer++));
-
+
StartAddress += sizeof (UINT32);
Length -= sizeof (UINT32);
}
@@ -366,13 +366,13 @@ MmioWriteBuffer32 ( /**
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
+ 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. 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 - 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().
@@ -397,7 +397,7 @@ MmioWriteBuffer64 ( UINT64 *ReturnBuffer;
ASSERT ((StartAddress & (sizeof (UINT64) - 1)) == 0);
-
+
ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
@@ -405,10 +405,10 @@ MmioWriteBuffer64 ( ASSERT (((UINTN) Buffer & (sizeof (UINT64) - 1)) == 0);
ReturnBuffer = (UINT64 *) Buffer;
-
+
while (Length != 0) {
MmioWrite64 (StartAddress, *(Buffer++));
-
+
StartAddress += sizeof (UINT64);
Length -= sizeof (UINT64);
}
|