blob: 8729fc2ffc0aa12e493b2dd2e816a93db6a10175 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
|
;------------------------------------------------------------------------------
; @file
; qemu debug console support macros (based on serial port macros)
;
; Copyright (c) 2008 - 2018, Intel Corporation. All rights reserved.<BR>
; Copyright (c) 2024, Red Hat, Inc.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;
;------------------------------------------------------------------------------
%macro debugShowCharacter 1
mov dx, 0x402
mov al, %1
out dx, al
%endmacro
%macro debugShowHexDigit 1
%if (%1 < 0xa)
debugShowCharacter BYTE ('0' + (%1))
%else
debugShowCharacter BYTE ('a' + ((%1) - 0xa))
%endif
%endmacro
%macro debugShowPostCode 1
debugShowHexDigit (((%1) >> 4) & 0xf)
debugShowHexDigit ((%1) & 0xf)
debugShowCharacter `\r`
debugShowCharacter `\n`
%endmacro
BITS 16
%macro debugInitialize 0
; not required
%endmacro
|
