From e2955fba0733802e8aa7a9071d1e34923a824210 Mon Sep 17 00:00:00 2001 From: jljusten Date: Thu, 22 May 2008 23:33:19 +0000 Subject: Merge from edk2/MdePkg/Library/BaseIoLibIntrinsic to achieve better support for additional compilers. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@5277 6f19259b-4bc3-4df7-8a09-765794883524 --- .../BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf | 20 +- .../BaseIoLibIntrinsicInternal.h | 28 ++ .../Library/BaseIoLibIntrinsic/IoLibGcc.c | 386 +++++++++++++++++++ .../Library/BaseIoLibIntrinsic/IoLibIcc.c | 408 +++++++++++++++++++++ 4 files changed, 834 insertions(+), 8 deletions(-) create mode 100644 EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicInternal.h create mode 100644 EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibGcc.c create mode 100644 EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibIcc.c (limited to 'EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib') diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf index 79ac0bfe25..08a558be86 100644 --- a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsic.inf @@ -23,17 +23,21 @@ BASE_NAME = EdkIIGlueBaseIoLibIntrinsic COMPONENT_TYPE = LIBRARY -[sources.common] - -[sources.ia32] - IoLib.c - IoLibMsc.c - IoHighLevel.c +[Sources.common] -[sources.x64] +[Sources.Ia32] + IoHighLevel.c + IoLibGcc.c | GCC + IoLibMsc.c | MSFT + IoLibIcc.c | INTEL IoLib.c - IoLibMsc.c + +[Sources.X64] IoHighLevel.c + IoLibGcc.c | GCC + IoLibMsc.c | MSFT + IoLibIcc.c | INTEL + IoLib.c [sources.ipf] IoLibIpf.c diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicInternal.h b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicInternal.h new file mode 100644 index 0000000000..57c10cf8be --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/BaseIoLibIntrinsicInternal.h @@ -0,0 +1,28 @@ +/**@file + Common header file shared by all source files. + + This file includes package header files, library classes and protocol, PPI & GUID definitions. + + Copyright (c) 2007, 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. +**/ + +#ifndef __COMMON_HEADER_H_ +#define __COMMON_HEADER_H_ + + + +#include + + +#include +#include +#include +#include + +#endif diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibGcc.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibGcc.c new file mode 100644 index 0000000000..c28ad56624 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibGcc.c @@ -0,0 +1,386 @@ +/** @file + I/O Library. This file has compiler specifics for GCC as there is no + ANSI C standard for doing IO. + + GCC - uses EFIAPI assembler. __asm__ calls GAS. __volatile__ makes sure the + compiler puts the assembler in this exact location. The complex GNUC + operations are not optimzed. It would be possible to also write these + with EFIAPI assembler. + + We don't advocate putting compiler specifics in libraries or drivers but there + is no other way to make this work. + + Copyright (c) 2006 - 2007, 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. + +**/ + +// +// Include common header file for this module. +// +#include "BaseIoLibIntrinsicInternal.h" + +/** + Reads an 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. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioRead8 ( + IN UINTN Address + ) +{ + return *(volatile UINT8*)Address; +} + +/** + Writes an 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. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioWrite8 ( + IN UINTN Address, + IN UINT8 Value + ) +{ + return *(volatile UINT8*)Address = Value; +} + +/** + 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. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioRead16 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 1) == 0); + return *(volatile UINT16*)Address; +} + +/** + 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. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioWrite16 ( + IN UINTN Address, + IN UINT16 Value + ) +{ + ASSERT ((Address & 1) == 0); + return *(volatile UINT16*)Address = Value; +} + +/** + 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. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioRead32 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 3) == 0); + return *(volatile UINT32*)Address; +} + +/** + 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. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioWrite32 ( + IN UINTN Address, + IN UINT32 Value + ) +{ + ASSERT ((Address & 3) == 0); + return *(volatile UINT32*)Address = Value; +} + +/** + 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. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioRead64 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 7) == 0); + return *(volatile UINT64*)Address; +} + +/** + 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. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioWrite64 ( + IN UINTN Address, + IN UINT64 Value + ) +{ + ASSERT ((Address & 7) == 0); + return *(volatile UINT64*)Address = Value; +} + + + +/** + Reads an 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. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +__inline__ +UINT8 +EFIAPI +IoRead8 ( + IN UINTN Port + ) +{ + UINT8 Data; + + __asm__ __volatile__ ("inb %w1,%b0" : "=a" (Data) : "d" ((UINT16)Port)); + return Data; +} + +/** + Writes an 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. + + If 8-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. + +**/ +__inline__ +UINT8 +EFIAPI +IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ) +{ + __asm__ __volatile__ ("outb %b0,%w1" : : "a" (Value), "d" ((UINT16)Port)); + return Value;; +} + +/** + 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. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +__inline__ +UINT16 +EFIAPI +IoRead16 ( + IN UINTN Port + ) +{ + UINT16 Data; + + ASSERT ((Port & 1) == 0); + __asm__ __volatile__ ("inw %w1,%w0" : "=a" (Data) : "d" ((UINT16)Port)); + return 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. + + If 16-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. + +**/ +__inline__ +UINT16 +EFIAPI +IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ) +{ + ASSERT ((Port & 1) == 0); + __asm__ __volatile__ ("outw %w0,%w1" : : "a" (Value), "d" ((UINT16)Port)); + return Value;; +} + +/** + 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. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +__inline__ +UINT32 +EFIAPI +IoRead32 ( + IN UINTN Port + ) +{ + UINT32 Data; + + ASSERT ((Port & 3) == 0); + __asm__ __volatile__ ("inl %w1,%0" : "=a" (Data) : "d" ((UINT16)Port)); + return 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. + + If 32-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. + +**/ +__inline__ +UINT32 +EFIAPI +IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ) +{ + ASSERT ((Port & 3) == 0); + __asm__ __volatile__ ("outl %0,%w1" : : "a" (Value), "d" ((UINT16)Port)); + return Value; +} + diff --git a/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibIcc.c b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibIcc.c new file mode 100644 index 0000000000..d12ce3de90 --- /dev/null +++ b/EdkCompatibilityPkg/Foundation/Library/EdkIIGlueLib/Library/BaseIoLibIntrinsic/IoLibIcc.c @@ -0,0 +1,408 @@ +/** @file + I/O Library. This file has compiler specifics for ICC as there + is no ANSI C standard for doing IO. + + Copyright (c) 2006 - 2007, 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. + +**/ + +// +// Include common header file for this module. +// +#include "BaseIoLibIntrinsicInternal.h" + +/** + Reads an 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. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +MmioRead8 ( + IN UINTN Address + ) +{ + return *(volatile UINT8*)Address; +} + +/** + Writes an 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. + + If 8-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT8 +EFIAPI +MmioWrite8 ( + IN UINTN Address, + IN UINT8 Value + ) +{ + return *(volatile UINT8*)Address = Value; +} + +/** + 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. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +MmioRead16 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 1) == 0); + return *(volatile UINT16*)Address; +} + +/** + 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. + + If 16-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT16 +EFIAPI +MmioWrite16 ( + IN UINTN Address, + IN UINT16 Value + ) +{ + ASSERT ((Address & 1) == 0); + return *(volatile UINT16*)Address = Value; +} + +/** + 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. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +MmioRead32 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 3) == 0); + return *(volatile UINT32*)Address; +} + +/** + 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. + + If 32-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT32 +EFIAPI +MmioWrite32 ( + IN UINTN Address, + IN UINT32 Value + ) +{ + ASSERT ((Address & 3) == 0); + return *(volatile UINT32*)Address = Value; +} + +/** + 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. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to read. + + @return The value read. + +**/ +UINT64 +EFIAPI +MmioRead64 ( + IN UINTN Address + ) +{ + ASSERT ((Address & 7) == 0); + return *(volatile UINT64*)Address; +} + +/** + 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. + + If 64-bit MMIO register operations are not supported, then ASSERT(). + + @param Address The MMIO register to write. + @param Value The value to write to the MMIO register. + +**/ +UINT64 +EFIAPI +MmioWrite64 ( + IN UINTN Address, + IN UINT64 Value + ) +{ + ASSERT ((Address & 7) == 0); + return *(volatile UINT64*)Address = Value; +} + + + +/** + Reads an 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. + + If 8-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT8 +EFIAPI +IoRead8 ( + IN UINTN Port + ) +{ + UINT8 Data; + + __asm { + mov dx, word ptr [Port] + in al, dx + + mov Data, al + } + return Data; +} + +/** + Writes an 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. + + If 8-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. + +**/ +UINT8 +EFIAPI +IoWrite8 ( + IN UINTN Port, + IN UINT8 Value + ) +{ + __asm { + mov al, byte ptr [Value] + mov dx, word ptr [Port] + out dx, al + } + return Value; +} + +/** + 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. + + If 16-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT16 +EFIAPI +IoRead16 ( + IN UINTN Port + ) +{ + UINT16 Data; + + ASSERT ((Port & 1) == 0); + + __asm { + mov dx, word ptr [Port] + in ax, dx + mov word ptr [Data], ax + } + + return 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. + + If 16-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. + +**/ +UINT16 +EFIAPI +IoWrite16 ( + IN UINTN Port, + IN UINT16 Value + ) +{ + ASSERT ((Port & 1) == 0); + + __asm { + mov ax, word ptr [Value] + mov dx, word ptr [Port] + out dx, ax + } + + // + // Never reached return statement. + // + return Value; +} + +/** + 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. + + If 32-bit I/O port operations are not supported, then ASSERT(). + + @param Port The I/O port to read. + + @return The value read. + +**/ +UINT32 +EFIAPI +IoRead32 ( + IN UINTN Port + ) +{ + UINT32 Data; + + ASSERT ((Port & 3) == 0); + + __asm { + mov dx, word ptr [Port] + in eax, dx + mov dword ptr [Data], eax + } + + return 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. + + If 32-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. + +**/ +UINT32 +EFIAPI +IoWrite32 ( + IN UINTN Port, + IN UINT32 Value + ) +{ + ASSERT ((Port & 3) == 0); + + __asm { + mov eax, dword ptr [Value] + mov dx, word ptr [Port] + out dx, eax + } + + return Value; +} + -- cgit v1.2.3