diff options
Diffstat (limited to 'OldMdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c')
| -rw-r--r-- | OldMdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c | 481 |
1 files changed, 481 insertions, 0 deletions
diff --git a/OldMdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c b/OldMdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c new file mode 100644 index 0000000000..8de4f71bd0 --- /dev/null +++ b/OldMdePkg/Library/BaseIoLibIntrinsic/IoLibIpf.c @@ -0,0 +1,481 @@ +/** @file
+ Common I/O Library routines.
+
+ Copyright (c) 2006 - 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.
+
+ Module Name: IoLibIpf.c
+
+**/
+
+#define MAP_PORT_BASE_TO_MEM(_Port) \
+ ((((_Port) & 0xfffc) << 10) | ((_Port) & 0x0fff))
+
+/**
+ Reads a 8-bit I/O port.
+
+ Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+IoRead8 (
+ IN UINT64 Port
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioRead8 (Address);
+}
+
+/**
+ Reads a 16-bit I/O port.
+
+ Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT16
+EFIAPI
+IoRead16 (
+ IN UINT64 Port
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioRead16 (Address);
+}
+
+/**
+ Reads a 32-bit I/O port.
+
+ Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT32
+EFIAPI
+IoRead32 (
+ IN UINT64 Port
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioRead32 (Address);
+}
+
+/**
+ Reads a 64-bit I/O port.
+
+ Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+IoRead64 (
+ IN UINTN Port
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Writes a 8-bit I/O port.
+
+ Writes the 8-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoWrite8 (
+ IN UINT64 Port,
+ IN UINT8 Data
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioWrite8 (Address, Data);
+}
+
+/**
+ Writes a 16-bit I/O port.
+
+ Writes the 16-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoWrite16 (
+ IN UINT64 Port,
+ IN UINT16 Data
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioWrite16 (Address, Data);
+}
+
+/**
+ Writes a 32-bit I/O port.
+
+ Writes the 32-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoWrite32 (
+ IN UINT64 Port,
+ IN UINT32 Data
+ )
+{
+ UINT64 Address;
+
+ //
+ // Add the 64MB aligned IO Port space to the IO address
+ //
+ Address = MAP_PORT_BASE_TO_MEM (Port);
+ Address += PcdGet64(PcdIoBlockBaseAddressForIpf);
+
+ return MmioWrite32 (Address, Data);
+}
+
+/**
+ Writes a 64-bit I/O port.
+
+ Writes the 64-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoWrite64 (
+ IN UINTN Port,
+ IN UINT64 Value
+ )
+{
+ ASSERT (FALSE);
+ return 0;
+}
+
+/**
+ Reads a 8-bit MMIO register.
+
+ Reads the 8-bit MMIO register specified by Address. The 8-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+MmioRead8 (
+ IN UINT64 Address
+ )
+{
+ UINT8 Data;
+
+ Address |= BIT63;
+
+ MemoryFence ();
+ Data = *((volatile UINT8 *) Address);
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Reads a 16-bit MMIO register.
+
+ Reads the 16-bit MMIO register specified by Address. The 16-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT16
+EFIAPI
+MmioRead16 (
+ IN UINT64 Address
+ )
+{
+ UINT16 Data;
+
+ Address |= BIT63;
+
+ MemoryFence ();
+ Data = *((volatile UINT16 *) Address);
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Reads a 32-bit MMIO register.
+
+ Reads the 32-bit MMIO register specified by Address. The 32-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT32
+EFIAPI
+MmioRead32 (
+ IN UINT64 Address
+ )
+{
+ UINT32 Data;
+
+ Address |= BIT63;
+
+ MemoryFence ();
+ Data = *((volatile UINT32 *) Address);
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Reads a 64-bit MMIO register.
+
+ Reads the 64-bit MMIO register specified by Address. The 64-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+MmioRead64 (
+ IN UINT64 Address
+ )
+{
+ UINT64 Data;
+
+ Address |= BIT63;
+
+ MemoryFence ();
+ Data = *((volatile UINT64 *) Address);
+ MemoryFence ();
+
+ return Data;
+
+}
+
+/**
+ Writes a 8-bit MMIO register.
+
+ Writes the 8-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ @param Address The MMIO register to write.
+ @param Data The value to write to the MMIO register.
+
+ @return The value written the memory address.
+
+**/
+UINT8
+EFIAPI
+MmioWrite8 (
+ IN UINT64 Address,
+ IN UINT8 Data
+ )
+{
+ Address |= BIT63;
+
+ MemoryFence ();
+ *((volatile UINT8 *) Address) = Data;
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Writes a 16-bit MMIO register.
+
+ Writes the 16-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ @param Address The MMIO register to write.
+ @param Data The value to write to the MMIO register.
+
+ @return The value written the memory address.
+
+**/
+UINT16
+EFIAPI
+MmioWrite16 (
+ IN UINT64 Address,
+ IN UINT16 Data
+ )
+{
+ Address |= BIT63;
+
+ MemoryFence ();
+ *((volatile UINT16 *) Address) = Data;
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Writes a 32-bit MMIO register.
+
+ Writes the 32-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ @param Address The MMIO register to write.
+ @param Data The value to write to the MMIO register.
+
+ @return The value written the memory address.
+
+**/
+UINT32
+EFIAPI
+MmioWrite32 (
+ IN UINT64 Address,
+ IN UINT32 Data
+ )
+{
+ Address |= BIT63;
+
+ MemoryFence ();
+ *((volatile UINT32 *) Address) = Data;
+ MemoryFence ();
+
+ return Data;
+}
+
+/**
+ Writes a 64-bit MMIO register.
+
+ Writes the 64-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ @param Address The MMIO register to write.
+ @param Data The value to write to the MMIO register.
+
+ @return The value written the memory address.
+
+**/
+UINT64
+EFIAPI
+MmioWrite64 (
+ IN UINT64 Address,
+ IN UINT64 Data
+ )
+{
+ Address |= BIT63;
+
+ MemoryFence ();
+ *((volatile UINT64 *) Address) = Data;
+ MemoryFence ();
+
+ return Data;
+}
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