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1 | /** @file\r | |
2 | Basic serial IO abstraction for GDB\r | |
3 | \r | |
4 | Copyright (c) 2008 - 2009, Apple Inc. All rights reserved.<BR>\r | |
5 | \r | |
6 | SPDX-License-Identifier: BSD-2-Clause-Patent\r | |
7 | \r | |
8 | **/\r | |
9 | \r | |
10 | #ifndef __GDB_SERIAL_LIB_H__\r | |
11 | #define __GDB_SERIAL_LIB_H__\r | |
12 | \r | |
13 | /**\r | |
14 | Sets the baud rate, receive FIFO depth, transmit/receive time out, parity,\r | |
15 | data buts, and stop bits on a serial device. This call is optional as the serial\r | |
16 | port will be set up with defaults base on PCD values.\r | |
17 | \r | |
18 | @param BaudRate The requested baud rate. A BaudRate value of 0 will use the\r | |
19 | device's default interface speed.\r | |
20 | @param Parity The type of parity to use on this serial device. A Parity value of\r | |
21 | DefaultParity will use the device's default parity value.\r | |
22 | @param DataBits The number of data bits to use on the serial device. A DataBits\r | |
23 | value of 0 will use the device's default data bit setting.\r | |
24 | @param StopBits The number of stop bits to use on this serial device. A StopBits\r | |
25 | value of DefaultStopBits will use the device's default number of\r | |
26 | stop bits.\r | |
27 | \r | |
28 | @retval EFI_SUCCESS The device was configured.\r | |
29 | @retval EFI_DEVICE_ERROR The serial device could not be configured.\r | |
30 | \r | |
31 | **/\r | |
32 | RETURN_STATUS\r | |
33 | EFIAPI\r | |
34 | GdbSerialInit (\r | |
35 | IN UINT64 BaudRate,\r | |
36 | IN UINT8 Parity,\r | |
37 | IN UINT8 DataBits,\r | |
38 | IN UINT8 StopBits\r | |
39 | );\r | |
40 | \r | |
41 | /**\r | |
42 | Check to see if a character is available from GDB. Do not read the character as that is\r | |
43 | done via GdbGetChar().\r | |
44 | \r | |
45 | @return TRUE - Character available\r | |
46 | @return FALSE - Character not available\r | |
47 | \r | |
48 | **/\r | |
49 | BOOLEAN\r | |
50 | EFIAPI\r | |
51 | GdbIsCharAvailable (\r | |
52 | VOID\r | |
53 | );\r | |
54 | \r | |
55 | /**\r | |
56 | Get a character from GDB. This function must be able to run in interrupt context.\r | |
57 | \r | |
58 | @return A character from GDB\r | |
59 | \r | |
60 | **/\r | |
61 | CHAR8\r | |
62 | EFIAPI\r | |
63 | GdbGetChar (\r | |
64 | VOID\r | |
65 | );\r | |
66 | \r | |
67 | /**\r | |
68 | Send a character to GDB. This function must be able to run in interrupt context.\r | |
69 | \r | |
70 | \r | |
71 | @param Char Send a character to GDB\r | |
72 | \r | |
73 | **/\r | |
74 | \r | |
75 | VOID\r | |
76 | EFIAPI\r | |
77 | GdbPutChar (\r | |
78 | IN CHAR8 Char\r | |
79 | );\r | |
80 | \r | |
81 | /**\r | |
82 | Send an ASCII string to GDB. This function must be able to run in interrupt context.\r | |
83 | \r | |
84 | \r | |
85 | @param String Send a string to GDB\r | |
86 | \r | |
87 | **/\r | |
88 | \r | |
89 | VOID\r | |
90 | GdbPutString (\r | |
91 | IN CHAR8 *String\r | |
92 | );\r | |
93 | \r | |
94 | #endif\r |