diff --git a/src/include/ipxe/efi/Protocol/CpuIo.h b/src/include/ipxe/efi/Protocol/CpuIo.h deleted file mode 100644 index 39b82b3b..00000000 --- a/src/include/ipxe/efi/Protocol/CpuIo.h +++ /dev/null @@ -1,48 +0,0 @@ -/** @file - This code abstracts the CPU IO Protocol which installed by some platform or chipset-specific - PEIM that abstracts the processor-visible I/O operations. - - Note: This is a runtime protocol and can be used by runtime drivers after ExitBootServices(). - It is different from the PI 1.2 CPU I/O 2 Protocol, which is a boot services only protocol - and may not be used by runtime drivers after ExitBootServices(). - -Copyright (c) 2007 - 2010, 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 that 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. - - @par Revision Reference: - CPU IO Protocol is defined in Framework of EFI CPU IO Protocol Spec - Version 0.9. - -**/ - -#ifndef _CPUIO_H_ -#define _CPUIO_H_ - -FILE_LICENCE ( BSD3 ); - -#include - -#define EFI_CPU_IO_PROTOCOL_GUID \ - { \ - 0xB0732526, 0x38C8, 0x4b40, {0x88, 0x77, 0x61, 0xC7, 0xB0, 0x6A, 0xAC, 0x45 } \ - } - -// -// Framework CPU IO protocol structure is the same as CPU IO 2 protocol defined in PI 1.2 spec. -// However, there is a significant different between the Framework CPU I/O -// Protocol and the PI 1.2 CPU I/O 2 Protocol. The Framework one is a runtime -// protocol, which means it can be used by runtime drivers after ExitBootServices(). -// The PI one is not runtime safe, so it is a boot services only protocol and may -// not be used by runtime drivers after ExitBootServices(). -// -typedef EFI_CPU_IO2_PROTOCOL EFI_CPU_IO_PROTOCOL; - -extern EFI_GUID gEfiCpuIoProtocolGuid; - -#endif diff --git a/src/include/ipxe/efi/Protocol/CpuIo2.h b/src/include/ipxe/efi/Protocol/CpuIo2.h deleted file mode 100644 index aef8157d..00000000 --- a/src/include/ipxe/efi/Protocol/CpuIo2.h +++ /dev/null @@ -1,144 +0,0 @@ -/** @file - This files describes the CPU I/O 2 Protocol. - - This protocol provides an I/O abstraction for a system processor. This protocol - is used by a PCI root bridge I/O driver to perform memory-mapped I/O and I/O transactions. - The I/O or memory primitives can be used by the consumer of the protocol to materialize - bus-specific configuration cycles, such as the transitional configuration address and data - ports for PCI. Only drivers that require direct access to the entire system should use this - protocol. - - Note: This is a boot-services only protocol and it may not be used by runtime drivers after - ExitBootServices(). It is different from the Framework CPU I/O Protocol, which is a runtime - protocol and can be used by runtime drivers after ExitBootServices(). - - Copyright (c) 2007 - 2010, 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. - - @par Revision Reference: - This Protocol is defined in UEFI Platform Initialization Specification 1.2 - Volume 5: Standards - -**/ - -#ifndef __CPU_IO2_H__ -#define __CPU_IO2_H__ - -FILE_LICENCE ( BSD3 ); - -#define EFI_CPU_IO2_PROTOCOL_GUID \ - { \ - 0xad61f191, 0xae5f, 0x4c0e, {0xb9, 0xfa, 0xe8, 0x69, 0xd2, 0x88, 0xc6, 0x4f} \ - } - -typedef struct _EFI_CPU_IO2_PROTOCOL EFI_CPU_IO2_PROTOCOL; - -/// -/// Enumeration that defines the width of the I/O operation. -/// -typedef enum { - EfiCpuIoWidthUint8, - EfiCpuIoWidthUint16, - EfiCpuIoWidthUint32, - EfiCpuIoWidthUint64, - EfiCpuIoWidthFifoUint8, - EfiCpuIoWidthFifoUint16, - EfiCpuIoWidthFifoUint32, - EfiCpuIoWidthFifoUint64, - EfiCpuIoWidthFillUint8, - EfiCpuIoWidthFillUint16, - EfiCpuIoWidthFillUint32, - EfiCpuIoWidthFillUint64, - EfiCpuIoWidthMaximum -} EFI_CPU_IO_PROTOCOL_WIDTH; - -/** - Enables a driver to access registers in the PI CPU I/O space. - - The Io.Read() and Io.Write() functions enable a driver to access PCI controller - registers in the PI CPU I/O space. - - The I/O operations are carried out exactly as requested. The caller is responsible - for satisfying any alignment and I/O width restrictions that a PI System on a - platform might require. For example on some platforms, width requests of - EfiCpuIoWidthUint64 do not work. Misaligned buffers, on the other hand, will - be handled by the driver. - - If Width is EfiCpuIoWidthUint8, EfiCpuIoWidthUint16, EfiCpuIoWidthUint32, - or EfiCpuIoWidthUint64, then both Address and Buffer are incremented for - each of the Count operations that is performed. - - If Width is EfiCpuIoWidthFifoUint8, EfiCpuIoWidthFifoUint16, - EfiCpuIoWidthFifoUint32, or EfiCpuIoWidthFifoUint64, then only Buffer is - incremented for each of the Count operations that is performed. The read or - write operation is performed Count times on the same Address. - - If Width is EfiCpuIoWidthFillUint8, EfiCpuIoWidthFillUint16, - EfiCpuIoWidthFillUint32, or EfiCpuIoWidthFillUint64, then only Address is - incremented for each of the Count operations that is performed. The read or - write operation is performed Count times from the first element of Buffer. - - @param[in] This A pointer to the EFI_CPU_IO2_PROTOCOL instance. - @param[in] Width Signifies the width of the I/O or Memory operation. - @param[in] Address The base address of the I/O operation. - @param[in] Count The number of I/O operations to perform. The number - of bytes moved is Width size * Count, starting at Address. - @param[in, 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 PI system. - @retval EFI_INVALID_PARAMETER Width is invalid for this PI system. - @retval EFI_INVALID_PARAMETER Buffer is NULL. - @retval EFI_UNSUPPORTED The Buffer is not aligned for the given Width. - @retval EFI_UNSUPPORTED The address range specified by Address, Width, - and Count is not valid for this PI system. - -**/ -typedef -EFI_STATUS -(EFIAPI *EFI_CPU_IO_PROTOCOL_IO_MEM)( - IN EFI_CPU_IO2_PROTOCOL *This, - IN EFI_CPU_IO_PROTOCOL_WIDTH Width, - IN UINT64 Address, - IN UINTN Count, - IN OUT VOID *Buffer - ); - -/// -/// Service for read and write accesses. -/// -typedef struct { - /// - /// This service provides the various modalities of memory and I/O read. - /// - EFI_CPU_IO_PROTOCOL_IO_MEM Read; - /// - /// This service provides the various modalities of memory and I/O write. - /// - EFI_CPU_IO_PROTOCOL_IO_MEM Write; -} EFI_CPU_IO_PROTOCOL_ACCESS; - -/// -/// Provides the basic memory and I/O interfaces that are used to abstract -/// accesses to devices in a system. -/// -struct _EFI_CPU_IO2_PROTOCOL { - /// - /// Enables a driver to access memory-mapped registers in the EFI system memory space. - /// - EFI_CPU_IO_PROTOCOL_ACCESS Mem; - /// - /// Enables a driver to access registers in the EFI CPU I/O space. - /// - EFI_CPU_IO_PROTOCOL_ACCESS Io; -}; - -extern EFI_GUID gEfiCpuIo2ProtocolGuid; - -#endif diff --git a/src/include/ipxe/efi/efi_io.h b/src/include/ipxe/efi/efi_io.h deleted file mode 100644 index 2ed96e10..00000000 --- a/src/include/ipxe/efi/efi_io.h +++ /dev/null @@ -1,180 +0,0 @@ -#ifndef _IPXE_EFI_IO_H -#define _IPXE_EFI_IO_H - -/** @file - * - * iPXE I/O API for EFI - * - * EFI runs with flat physical addressing, so the various mappings - * between virtual addresses, I/O addresses and bus addresses are all - * no-ops. I/O is handled using the EFI_CPU_IO_PROTOCOL. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#ifdef IOAPI_EFI -#define IOAPI_PREFIX_efi -#else -#define IOAPI_PREFIX_efi __efi_ -#endif - -extern unsigned long long efi_ioread ( volatile void *io_addr, - size_t size ); -extern void efi_iowrite ( unsigned long long data, volatile void *io_addr, - size_t size ); -extern void efi_ioreads ( volatile void *io_addr, void *data, - size_t size, unsigned int count ); -extern void efi_iowrites ( volatile void *io_addr, const void *data, - size_t size, unsigned int count ); - -/* - * Physical<->Bus and Bus<->I/O address mappings - * - * EFI runs with flat physical addressing, so these are all no-ops. - * - */ - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, phys_to_bus ) ( unsigned long phys_addr ) { - return phys_addr; -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, bus_to_phys ) ( unsigned long bus_addr ) { - return bus_addr; -} - -static inline __always_inline void * -IOAPI_INLINE ( efi, ioremap ) ( unsigned long bus_addr, size_t len __unused ) { - return ( ( void * ) bus_addr ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, iounmap ) ( volatile const void *io_addr __unused ) { - /* Nothing to do */ -} - -static inline __always_inline unsigned long -IOAPI_INLINE ( efi, io_to_bus ) ( volatile const void *io_addr ) { - return ( ( unsigned long ) io_addr ); -} - -/* - * I/O functions - * - */ - -static inline __always_inline uint8_t -IOAPI_INLINE ( efi, readb ) ( volatile uint8_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint16_t -IOAPI_INLINE ( efi, readw ) ( volatile uint16_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint32_t -IOAPI_INLINE ( efi, readl ) ( volatile uint32_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint64_t -IOAPI_INLINE ( efi, readq ) ( volatile uint64_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writeb ) ( uint8_t data, volatile uint8_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writew ) ( uint16_t data, volatile uint16_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writel ) ( uint32_t data, volatile uint32_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, writeq ) ( uint64_t data, volatile uint64_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint8_t -IOAPI_INLINE ( efi, inb ) ( volatile uint8_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint16_t -IOAPI_INLINE ( efi, inw ) ( volatile uint16_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline uint32_t -IOAPI_INLINE ( efi, inl ) ( volatile uint32_t *io_addr ) { - return efi_ioread ( io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outb ) ( uint8_t data, volatile uint8_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outw ) ( uint16_t data, volatile uint16_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outl ) ( uint32_t data, volatile uint32_t *io_addr ) { - efi_iowrite ( data, io_addr, sizeof ( *io_addr ) ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insb ) ( volatile uint8_t *io_addr, uint8_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insw ) ( volatile uint16_t *io_addr, uint16_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, insl ) ( volatile uint32_t *io_addr, uint32_t *data, - unsigned int count ) { - efi_ioreads ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsb ) ( volatile uint8_t *io_addr, const uint8_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsw ) ( volatile uint16_t *io_addr, const uint16_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, outsl ) ( volatile uint32_t *io_addr, const uint32_t *data, - unsigned int count ) { - efi_iowrites ( io_addr, data, sizeof ( *io_addr ), count ); -} - -static inline __always_inline void -IOAPI_INLINE ( efi, mb ) ( void ) { - /* Do nothing; EFI readl()/writel() calls already act as - * memory barriers. - */ -} - -#endif /* _IPXE_EFI_IO_H */ diff --git a/src/include/ipxe/io.h b/src/include/ipxe/io.h index b4d88fe8..b8b8aa31 100644 --- a/src/include/ipxe/io.h +++ b/src/include/ipxe/io.h @@ -53,7 +53,6 @@ FILE_LICENCE ( GPL2_OR_LATER ); PROVIDE_SINGLE_API_INLINE ( IOAPI_PREFIX_ ## _subsys, _api_func ) /* Include all architecture-independent I/O API headers */ -#include /* Include all architecture-dependent I/O API headers */ #include diff --git a/src/interface/efi/efi_io.c b/src/interface/efi/efi_io.c deleted file mode 100644 index a620d6e4..00000000 --- a/src/interface/efi/efi_io.c +++ /dev/null @@ -1,218 +0,0 @@ -/* - * Copyright (C) 2008 Michael Brown . - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of the - * License, or any later version. - * - * This program is distributed in the hope that it will be useful, but - * WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -FILE_LICENCE ( GPL2_OR_LATER ); - -#include -#include -#include -#include -#include - -/** @file - * - * iPXE I/O API for EFI - * - */ - -/** CPU I/O protocol */ -static EFI_CPU_IO_PROTOCOL *cpu_io; -EFI_REQUIRE_PROTOCOL ( EFI_CPU_IO_PROTOCOL, &cpu_io ); - -/** Maximum address that can be used for port I/O */ -#define MAX_PORT_ADDRESS 0xffff - -/** - * Determine whether or not address is a port I/O address - * - * @v io_addr I/O address - * @v is_port I/O address is a port I/O address - */ -#define IS_PORT_ADDRESS(io_addr) \ - ( ( ( intptr_t ) (io_addr) ) <= MAX_PORT_ADDRESS ) - -/** - * Determine EFI CPU I/O width code - * - * @v size Size of value - * @ret width EFI width code - * - * Someone at Intel clearly gets paid by the number of lines of code - * they write. No-one should ever be able to make I/O this - * convoluted. The EFI_CPU_IO_PROTOCOL_WIDTH enum is my favourite - * idiocy. - */ -static EFI_CPU_IO_PROTOCOL_WIDTH efi_width ( size_t size ) { - switch ( size ) { - case 1 : return EfiCpuIoWidthFifoUint8; - case 2 : return EfiCpuIoWidthFifoUint16; - case 4 : return EfiCpuIoWidthFifoUint32; - case 8 : return EfiCpuIoWidthFifoUint64; - default : - assert ( 0 ); - /* I wonder what this will actually do... */ - return EfiCpuIoWidthMaximum; - } -} - -/** - * Read from device - * - * @v io_addr I/O address - * @v size Size of value - * @ret data Value read - */ -unsigned long long efi_ioread ( volatile void *io_addr, size_t size ) { - EFI_CPU_IO_PROTOCOL_IO_MEM read; - unsigned long long data = 0; - EFI_STATUS efirc; - - read = ( IS_PORT_ADDRESS ( io_addr ) ? - cpu_io->Io.Read : cpu_io->Mem.Read ); - - if ( ( efirc = read ( cpu_io, efi_width ( size ), - ( intptr_t ) io_addr, 1, - ( void * ) &data ) ) != 0 ) { - DBG ( "EFI I/O read at %p failed: %s\n", - io_addr, efi_strerror ( efirc ) ); - return -1ULL; - } - - return data; -} - -/** - * Write to device - * - * @v data Value to write - * @v io_addr I/O address - * @v size Size of value - */ -void efi_iowrite ( unsigned long long data, volatile void *io_addr, - size_t size ) { - EFI_CPU_IO_PROTOCOL_IO_MEM write; - EFI_STATUS efirc; - - write = ( IS_PORT_ADDRESS ( io_addr ) ? - cpu_io->Io.Write : cpu_io->Mem.Write ); - - if ( ( efirc = write ( cpu_io, efi_width ( size ), - ( intptr_t ) io_addr, 1, - ( void * ) &data ) ) != 0 ) { - DBG ( "EFI I/O write at %p failed: %s\n", - io_addr, efi_strerror ( efirc ) ); - } -} - -/** - * String read from device - * - * @v io_addr I/O address - * @v data Data buffer - * @v size Size of values - * @v count Number of values to read - */ -void efi_ioreads ( volatile void *io_addr, void *data, - size_t size, unsigned int count ) { - EFI_CPU_IO_PROTOCOL_IO_MEM read; - EFI_STATUS efirc; - - read = ( IS_PORT_ADDRESS ( io_addr ) ? - cpu_io->Io.Read : cpu_io->Mem.Read ); - - if ( ( efirc = read ( cpu_io, efi_width ( size ), - ( intptr_t ) io_addr, count, - ( void * ) data ) ) != 0 ) { - DBG ( "EFI I/O string read at %p failed: %s\n", - io_addr, efi_strerror ( efirc ) ); - } -} - -/** - * String write to device - * - * @v io_addr I/O address - * @v data Data buffer - * @v size Size of values - * @v count Number of values to write - */ -void efi_iowrites ( volatile void *io_addr, const void *data, - size_t size, unsigned int count ) { - EFI_CPU_IO_PROTOCOL_IO_MEM write; - EFI_STATUS efirc; - - write = ( IS_PORT_ADDRESS ( io_addr ) ? - cpu_io->Io.Write : cpu_io->Mem.Write ); - - if ( ( efirc = write ( cpu_io, efi_width ( size ), - ( intptr_t ) io_addr, count, - ( void * ) data ) ) != 0 ) { - DBG ( "EFI I/O write at %p failed: %s\n", - io_addr, efi_strerror ( efirc ) ); - } -} - -/** - * Wait for I/O-mapped operation to complete - * - */ -static void efi_iodelay ( void ) { - /* Write to non-existent port. Probably x86-only. */ - outb ( 0, 0x80 ); -} - -/** - * Get memory map - * - * Can't be done on EFI so return an empty map - * - * @v memmap Memory map to fill in - */ -static void efi_get_memmap ( struct memory_map *memmap ) { - memmap->count = 0; -} - -PROVIDE_IOAPI_INLINE ( efi, phys_to_bus ); -PROVIDE_IOAPI_INLINE ( efi, bus_to_phys ); -PROVIDE_IOAPI_INLINE ( efi, ioremap ); -PROVIDE_IOAPI_INLINE ( efi, iounmap ); -PROVIDE_IOAPI_INLINE ( efi, io_to_bus ); -PROVIDE_IOAPI_INLINE ( efi, readb ); -PROVIDE_IOAPI_INLINE ( efi, readw ); -PROVIDE_IOAPI_INLINE ( efi, readl ); -PROVIDE_IOAPI_INLINE ( efi, readq ); -PROVIDE_IOAPI_INLINE ( efi, writeb ); -PROVIDE_IOAPI_INLINE ( efi, writew ); -PROVIDE_IOAPI_INLINE ( efi, writel ); -PROVIDE_IOAPI_INLINE ( efi, writeq ); -PROVIDE_IOAPI_INLINE ( efi, inb ); -PROVIDE_IOAPI_INLINE ( efi, inw ); -PROVIDE_IOAPI_INLINE ( efi, inl ); -PROVIDE_IOAPI_INLINE ( efi, outb ); -PROVIDE_IOAPI_INLINE ( efi, outw ); -PROVIDE_IOAPI_INLINE ( efi, outl ); -PROVIDE_IOAPI_INLINE ( efi, insb ); -PROVIDE_IOAPI_INLINE ( efi, insw ); -PROVIDE_IOAPI_INLINE ( efi, insl ); -PROVIDE_IOAPI_INLINE ( efi, outsb ); -PROVIDE_IOAPI_INLINE ( efi, outsw ); -PROVIDE_IOAPI_INLINE ( efi, outsl ); -PROVIDE_IOAPI ( efi, iodelay, efi_iodelay ); -PROVIDE_IOAPI_INLINE ( efi, mb ); -PROVIDE_IOAPI ( efi, get_memmap, efi_get_memmap );