projects / mirror_edk2.git / blame
| Commit | Line | Data |
|---|---|---|
| c09d9571 | 1 | /** @file\r |
| 61ac4fc7 | 2 | Base Debug library instance for hypervisor debug port.\r |
| c09d9571 PB |
3 | It uses PrintLib to send debug messages to a fixed I/O port.\r |
| 4 | \r | |
| 5 | Copyright (c) 2017, Red Hat, Inc.<BR>\r | |
| b26f0cf9 | 6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r |
| c09d9571 PB |
7 | \r |
| 8 | **/\r | |
| 9 | \r | |
| 10 | #ifndef __DEBUG_IO_PORT_DETECT_H__\r | |
| 11 | #define __DEBUG_IO_PORT_DETECT_H__\r | |
| 12 | \r | |
| 13 | #include <Base.h>\r | |
| 14 | \r | |
| 15 | //\r | |
| 16 | // The constant value that is read from the debug I/O port\r | |
| 17 | //\r | |
| 18 | #define BOCHS_DEBUG_PORT_MAGIC 0xE9\r | |
| 19 | \r | |
| 20 | \r | |
| 21 | /**\r | |
| 22 | Helper function to return whether the virtual machine has a debug I/O port.\r | |
| 23 | PlatformDebugLibIoPortFound can call this function directly or cache the\r | |
| 24 | result.\r | |
| 25 | \r | |
| 26 | @retval TRUE if the debug I/O port device was detected.\r | |
| 27 | @retval FALSE otherwise\r | |
| 28 | \r | |
| 29 | **/\r | |
| 30 | BOOLEAN\r | |
| 31 | EFIAPI\r | |
| 32 | PlatformDebugLibIoPortDetect (\r | |
| 33 | VOID\r | |
| 34 | );\r | |
| 35 | \r | |
| 36 | /**\r | |
| 37 | Return whether the virtual machine has a debug I/O port. DebugLib.c\r | |
| 38 | calls this function instead of PlatformDebugLibIoPortDetect, to allow\r | |
| 39 | caching if possible.\r | |
| 40 | \r | |
| 41 | @retval TRUE if the debug I/O port device was detected.\r | |
| 42 | @retval FALSE otherwise\r | |
| 43 | \r | |
| 44 | **/\r | |
| 45 | BOOLEAN\r | |
| 46 | EFIAPI\r | |
| 47 | PlatformDebugLibIoPortFound (\r | |
| 48 | VOID\r | |
| 49 | );\r | |
| 50 | \r | |
| 51 | #endif\r |