X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=UefiCpuPkg%2FCpuIo2Smm%2FCpuIo2Smm.c;h=619249300f853c36df1a6b7f0a12188b65789367;hp=20b8350fe4a4e189a80dd64b05bd8de65af8cc73;hb=7367cc6c24d01b400d2370ffd58ae02854a56b32;hpb=77695f4da3dc8eedb6fc7fc67f91ef6ccd22daee
diff --git a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
index 20b8350fe4..619249300f 100644
--- a/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
+++ b/UefiCpuPkg/CpuIo2Smm/CpuIo2Smm.c
@@ -1,14 +1,14 @@
/** @file
Produces the SMM CPU I/O Protocol.
-Copyright (c) 2009 - 2017, Intel Corporation. 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.
+Copyright (c) 2009 - 2018, Intel Corporation. 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.
**/
@@ -48,17 +48,17 @@ UINT8 mStride[] = {
@param[in] MmioOperation TRUE for an MMIO operation, FALSE for I/O Port operation.
@param[in] Width Signifies the width of the I/O operations.
- @param[in] Address The base address of the I/O operations. The caller is
- responsible for aligning the Address if required.
+ @param[in] Address The base address of the I/O operations. The caller is
+ responsible for aligning the Address if required.
@param[in] Count The number of I/O operations to perform.
- @param[in] Buffer For read operations, the destination buffer to store
- the results. For write operations, the source buffer
+ @param[in] Buffer For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
from which to write data.
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
-
+
**/
EFI_STATUS
CpuIoCheckParameter (
@@ -92,20 +92,20 @@ CpuIoCheckParameter (
if (!MmioOperation && (Width == SMM_IO_UINT64)) {
return EFI_INVALID_PARAMETER;
}
-
+
//
- // Check to see if any address associated with this transfer exceeds the maximum
+ // Check to see if any address associated with this transfer exceeds the maximum
// allowed address. The maximum address implied by the parameters passed in is
// Address + Size * Count. If the following condition is met, then the transfer
// is not supported.
//
// Address + Size * Count > (MmioOperation ? MAX_ADDRESS : MAX_IO_PORT_ADDRESS) + 1
//
- // Since MAX_ADDRESS can be the maximum integer value supported by the CPU and Count
+ // Since MAX_ADDRESS can be the maximum integer value supported by the CPU and Count
// can also be the maximum integer value supported by the CPU, this range
// check must be adjusted to avoid all overflow conditions.
- //
- // The following form of the range check is equivalent but assumes that
+ //
+ // The following form of the range check is equivalent but assumes that
// MAX_ADDRESS and MAX_IO_PORT_ADDRESS are of the form (2^n - 1).
//
Limit = (MmioOperation ? MAX_ADDRESS : MAX_IO_PORT_ADDRESS);
@@ -113,7 +113,7 @@ CpuIoCheckParameter (
if (Address > Limit) {
return EFI_UNSUPPORTED;
}
- } else {
+ } else {
MaxCount = RShiftU64 (Limit, Width);
if (MaxCount < (Count - 1)) {
return EFI_UNSUPPORTED;
@@ -122,7 +122,7 @@ CpuIoCheckParameter (
return EFI_UNSUPPORTED;
}
}
-
+
//
// Check to see if Address is aligned
//
@@ -136,23 +136,23 @@ CpuIoCheckParameter (
/**
Reads memory-mapped registers.
- The I/O operations are carried out exactly as requested. The caller is
- responsible for any alignment and I/O width issues that the bus, device,
+ The I/O operations are carried out exactly as requested. The caller is
+ responsible for any alignment and I/O width issues that the bus, device,
platform, or type of I/O might require.
@param[in] This The EFI_SMM_CPU_IO2_PROTOCOL instance.
@param[in] Width Signifies the width of the I/O operations.
- @param[in] Address The base address of the I/O operations. The caller is
- responsible for aligning the Address if required.
+ @param[in] Address The base address of the I/O operations. The caller is
+ responsible for aligning the Address if required.
@param[in] Count The number of I/O operations to perform.
- @param[out] Buffer For read operations, the destination buffer to store
- the results. For write operations, the source buffer
+ @param[out] Buffer For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
from which to write data.
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
lack of resources
**/
@@ -196,23 +196,23 @@ CpuMemoryServiceRead (
/**
Writes memory-mapped registers.
- The I/O operations are carried out exactly as requested. The caller is
- responsible for any alignment and I/O width issues that the bus, device,
+ The I/O operations are carried out exactly as requested. The caller is
+ responsible for any alignment and I/O width issues that the bus, device,
platform, or type of I/O might require.
@param[in] This The EFI_SMM_CPU_IO2_PROTOCOL instance.
@param[in] Width Signifies the width of the I/O operations.
- @param[in] Address The base address of the I/O operations. The caller is
- responsible for aligning the Address if required.
+ @param[in] Address The base address of the I/O operations. The caller is
+ responsible for aligning the Address if required.
@param[in] Count The number of I/O operations to perform.
- @param[in] Buffer For read operations, the destination buffer to store
- the results. For write operations, the source buffer
+ @param[in] Buffer For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
from which to write data.
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
lack of resources
**/
@@ -256,23 +256,23 @@ CpuMemoryServiceWrite (
/**
Reads I/O registers.
- The I/O operations are carried out exactly as requested. The caller is
- responsible for any alignment and I/O width issues that the bus, device,
+ The I/O operations are carried out exactly as requested. The caller is
+ responsible for any alignment and I/O width issues that the bus, device,
platform, or type of I/O might require.
@param[in] This The EFI_SMM_CPU_IO2_PROTOCOL instance.
@param[in] Width Signifies the width of the I/O operations.
- @param[in] Address The base address of the I/O operations. The caller is
- responsible for aligning the Address if required.
+ @param[in] Address The base address of the I/O operations. The caller is
+ responsible for aligning the Address if required.
@param[in] Count The number of I/O operations to perform.
- @param[out] Buffer For read operations, the destination buffer to store
- the results. For write operations, the source buffer
+ @param[out] Buffer For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
from which to write data.
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
lack of resources
**/
@@ -315,23 +315,23 @@ CpuIoServiceRead (
/**
Write I/O registers.
- The I/O operations are carried out exactly as requested. The caller is
- responsible for any alignment and I/O width issues that the bus, device,
+ The I/O operations are carried out exactly as requested. The caller is
+ responsible for any alignment and I/O width issues that the bus, device,
platform, or type of I/O might require.
@param[in] This The EFI_SMM_CPU_IO2_PROTOCOL instance.
@param[in] Width Signifies the width of the I/O operations.
- @param[in] Address The base address of the I/O operations. The caller is
- responsible for aligning the Address if required.
+ @param[in] Address The base address of the I/O operations. The caller is
+ responsible for aligning the Address if required.
@param[in] Count The number of I/O operations to perform.
- @param[in] Buffer For read operations, the destination buffer to store
- the results. For write operations, the source buffer
+ @param[in] Buffer For read operations, the destination buffer to store
+ the results. For write operations, the source buffer
from which to write data.
@retval EFI_SUCCESS The data was read from or written to the device.
@retval EFI_UNSUPPORTED The Address is not valid for this system.
@retval EFI_INVALID_PARAMETER Width or Count, or both, were invalid.
- @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
+ @retval EFI_OUT_OF_RESOURCES The request could not be completed due to a
lack of resources
**/
@@ -370,7 +370,7 @@ CpuIoServiceWrite (
IoWrite32 ((UINTN)Address, *((UINT32 *)Uint8Buffer));
}
}
-
+
return EFI_SUCCESS;
}
@@ -408,6 +408,6 @@ SmmCpuIo2Initialize (
&mSmmCpuIo2
);
ASSERT_EFI_ERROR (Status);
-
+
return Status;
}