\r
#include <PiDxe.h>\r
\r
+#include <Guid/EventGroup.h>\r
+\r
#include <Library/BaseLib.h>\r
#include <Library/PciExpressLib.h>\r
#include <Library/IoLib.h>\r
//\r
// Register SetVirtualAddressMap () notify function\r
//\r
- Status = gBS->CreateEvent (\r
- EVT_SIGNAL_VIRTUAL_ADDRESS_CHANGE,\r
+ Status = gBS->CreateEventEx (\r
+ EVT_NOTIFY_SIGNAL,\r
TPL_NOTIFY,\r
DxeRuntimePciExpressLibVirtualNotify,\r
NULL,\r
+ &gEfiEventVirtualAddressChangeGuid,\r
&mDxeRuntimePciExpressLibVirtualNotifyEvent\r
);\r
ASSERT_EFI_ERROR (Status);\r
This internal functions retrieves PCI Express Base Address via a PCD entry\r
PcdPciExpressBaseAddress.\r
\r
- @return The base address of PCI Express.\r
+ @param Address Address that encodes the PCI Bus, Device, Function and Register.\r
+ @return The base address of PCI Express.\r
\r
**/\r
UINTN\r
}\r
\r
//\r
- // Search the entire table for a phyical address match\r
+ // Search the entire table for a physical address match\r
//\r
for (Index = 0; Index < mDxeRuntimePciExpressLibNumberOfRuntimeRanges; Index++) {\r
if (mDxeRuntimePciExpressLibRegistrationTable[Index].PhysicalAddress == (Address & 0x0ffff000)) {\r
}\r
\r
/**\r
- Register a PCI device so PCI configuration registers may be accessed after \r
+ Registers a PCI device so PCI configuration registers may be accessed after \r
SetVirtualAddressMap().\r
\r
+ Registers the PCI device specified by Address so all the PCI configuration \r
+ registers associated with that PCI device may be accessed after SetVirtualAddressMap() \r
+ is called.\r
+ \r
If Address > 0x0FFFFFFF, then ASSERT().\r
\r
@param Address Address that encodes the PCI Bus, Device, Function and\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of an 8-bit PCI configuration register with\r
+ Performs a bitwise OR of an 8-bit PCI configuration register with\r
an 8-bit value.\r
\r
Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 8-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit\r
- value, followed a bitwise inclusive OR with another 8-bit value.\r
+ value, followed a bitwise OR with another 8-bit value.\r
\r
Reads the 8-bit PCI configuration register specified by Address, performs a\r
bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
+ performs a bitwise OR between the result of the AND operation and\r
the value specified by OrData, and writes the result to the 8-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
writes the result back to the bit field in the 8-bit port.\r
\r
Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 8-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
+ bitwise OR, and writes the result back to the bit field in the\r
8-bit port.\r
\r
Reads the 8-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
+ bitwise AND followed by a bitwise OR between the read result and\r
the value specified by AndData, and writes the result to the 8-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of a 16-bit PCI configuration register with\r
+ Performs a bitwise OR of a 16-bit PCI configuration register with\r
a 16-bit value.\r
\r
Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 16-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit\r
- value, followed a bitwise inclusive OR with another 16-bit value.\r
+ value, followed a bitwise OR with another 16-bit value.\r
\r
Reads the 16-bit PCI configuration register specified by Address, performs a\r
bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
+ performs a bitwise OR between the result of the AND operation and\r
the value specified by OrData, and writes the result to the 16-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
writes the result back to the bit field in the 16-bit port.\r
\r
Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 16-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
+ bitwise OR, and writes the result back to the bit field in the\r
16-bit port.\r
\r
Reads the 16-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
+ bitwise AND followed by a bitwise OR between the read result and\r
the value specified by AndData, and writes the result to the 16-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
}\r
\r
/**\r
- Performs a bitwise inclusive OR of a 32-bit PCI configuration register with\r
+ Performs a bitwise OR of a 32-bit PCI configuration register with\r
a 32-bit value.\r
\r
Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 32-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit\r
- value, followed a bitwise inclusive OR with another 32-bit value.\r
+ value, followed a bitwise OR with another 32-bit value.\r
\r
Reads the 32-bit PCI configuration register specified by Address, performs a\r
bitwise AND between the read result and the value specified by AndData,\r
- performs a bitwise inclusive OR between the result of the AND operation and\r
+ performs a bitwise OR between the result of the AND operation and\r
the value specified by OrData, and writes the result to the 32-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
writes the result back to the bit field in the 32-bit port.\r
\r
Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise inclusive OR between the read result and the value specified by\r
+ bitwise OR between the read result and the value specified by\r
OrData, and writes the result to the 32-bit PCI configuration register\r
specified by Address. The value written to the PCI configuration register is\r
returned. This function must guarantee that all PCI read and write operations\r
\r
/**\r
Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
- bitwise inclusive OR, and writes the result back to the bit field in the\r
+ bitwise OR, and writes the result back to the bit field in the\r
32-bit port.\r
\r
Reads the 32-bit PCI configuration register specified by Address, performs a\r
- bitwise AND followed by a bitwise inclusive OR between the read result and\r
+ bitwise AND followed by a bitwise OR between the read result and\r
the value specified by AndData, and writes the result to the 32-bit PCI\r
configuration register specified by Address. The value written to the PCI\r
configuration register is returned. This function must guarantee that all PCI\r
@param Size Size in bytes of the transfer.\r
@param Buffer Pointer to a buffer receiving the data read.\r
\r
- @return Size\r
+ @return Size read data from StartAddress.\r
\r
**/\r
UINTN\r
{\r
UINTN ReturnValue;\r
\r
+ //\r
+ // Make sure Address is valid\r
+ //\r
+ ASSERT (((StartAddress) & ~0xfffffff) == 0);\r
ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
\r
if (Size == 0) {\r
@param Size Size in bytes of the transfer.\r
@param Buffer Pointer to a buffer containing the data to write.\r
\r
- @return Size\r
+ @return Size written to StartAddress.\r
\r
**/\r
UINTN\r
{\r
UINTN ReturnValue;\r
\r
+ //\r
+ // Make sure Address is valid\r
+ //\r
+ ASSERT (((StartAddress) & ~0xfffffff) == 0);\r
ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);\r
\r
if (Size == 0) {\r
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