| | 1 | /** @file\r |
| | 2 | This code abstracts the CPU IO Protocol which installed by some platform or chipset-specific\r |
| | 3 | PEIM that abstracts the processor-visible I/O operations.\r |
| | 4 | \r |
| | 5 | Note: This is a runtime protocol and can be used by runtime drivers after ExitBootServices().\r |
| | 6 | It is different from the PI 1.2 CPU I/O 2 Protocol, which is a boot services only protocol\r |
| | 7 | and may not be used by runtime drivers after ExitBootServices().\r |
| | 8 | \r |
| | 9 | Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r |
| | 10 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| | 11 | \r |
| | 12 | @par Revision Reference:\r |
| | 13 | CPU IO Protocol is defined in Framework of EFI CPU IO Protocol Spec\r |
| | 14 | Version 0.9.\r |
| | 15 | \r |
| | 16 | **/\r |
| | 17 | \r |
| | 18 | #ifndef _CPUIO_H_\r |
| | 19 | #define _CPUIO_H_\r |
| | 20 | \r |
| | 21 | #include <Protocol/CpuIo2.h>\r |
| | 22 | \r |
| | 23 | #define EFI_CPU_IO_PROTOCOL_GUID \\r |
| | 24 | { \\r |
| | 25 | 0xB0732526, 0x38C8, 0x4b40, {0x88, 0x77, 0x61, 0xC7, 0xB0, 0x6A, 0xAC, 0x45 } \\r |
| | 26 | }\r |
| | 27 | \r |
| | 28 | //\r |
| | 29 | // Framework CPU IO protocol structure is the same as CPU IO 2 protocol defined in PI 1.2 spec.\r |
| | 30 | // However, there is a significant different between the Framework CPU I/O\r |
| | 31 | // Protocol and the PI 1.2 CPU I/O 2 Protocol. The Framework one is a runtime\r |
| | 32 | // protocol, which means it can be used by runtime drivers after ExitBootServices().\r |
| | 33 | // The PI one is not runtime safe, so it is a boot services only protocol and may\r |
| | 34 | // not be used by runtime drivers after ExitBootServices().\r |
| | 35 | //\r |
| | 36 | typedef EFI_CPU_IO2_PROTOCOL EFI_CPU_IO_PROTOCOL;\r |
| | 37 | \r |
| | 38 | extern EFI_GUID gEfiCpuIoProtocolGuid;\r |
| | 39 | \r |
| | 40 | #endif\r |
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