| 1 | ;------------------------------------------------------------------------------
|
|---|
| 2 | ; @file
|
|---|
| 3 | ; qemu debug console support macros (based on serial port macros)
|
|---|
| 4 | ;
|
|---|
| 5 | ; Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
|
|---|
| 6 | ; Copyright (c) 2024, Red Hat, Inc.<BR>
|
|---|
| 7 | ; SPDX-License-Identifier: BSD-2-Clause-Patent
|
|---|
| 8 | ;
|
|---|
| 9 | ;------------------------------------------------------------------------------
|
|---|
| 10 |
|
|---|
| 11 | %macro debugShowCharacter 1
|
|---|
| 12 | mov dx, 0x402
|
|---|
| 13 | mov al, %1
|
|---|
| 14 | out dx, al
|
|---|
| 15 | %endmacro
|
|---|
| 16 |
|
|---|
| 17 | %macro debugShowHexDigit 1
|
|---|
| 18 | %if (%1 < 0xa)
|
|---|
| 19 | debugShowCharacter BYTE ('0' + (%1))
|
|---|
| 20 | %else
|
|---|
| 21 | debugShowCharacter BYTE ('a' + ((%1) - 0xa))
|
|---|
| 22 | %endif
|
|---|
| 23 | %endmacro
|
|---|
| 24 |
|
|---|
| 25 | %macro debugShowPostCode 1
|
|---|
| 26 | debugShowHexDigit (((%1) >> 4) & 0xf)
|
|---|
| 27 | debugShowHexDigit ((%1) & 0xf)
|
|---|
| 28 | debugShowCharacter `\r`
|
|---|
| 29 | debugShowCharacter `\n`
|
|---|
| 30 | %endmacro
|
|---|
| 31 |
|
|---|
| 32 | BITS 16
|
|---|
| 33 |
|
|---|
| 34 | %macro debugInitialize 0
|
|---|
| 35 | ; not required
|
|---|
| 36 | %endmacro
|
|---|
