Files
stevia/include/util/bochs_magic.inc
Elaina Claus c49de28a15 use bochs magic breakpoints in the error printer
makes it easier to get a good state to do some investigating before reseting.
2024-10-13 20:53:13 -04:00

56 lines
1.8 KiB
PHP

; Copyright (c) 2024 Elaina Claus
;
; Permission is hereby granted, free of charge, to any person obtaining a copy
; of this software and associated documentation files (the "Software"), to deal
; in the Software without restriction, including without limitation the rights
; to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
; copies of the Software, and to permit persons to whom the Software is
; furnished to do so, subject to the following conditions:
;
; The above copyright notice and this permission notice shall be included in all
; copies or substantial portions of the Software.
;
; THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
; IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
; FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
; AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
; LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
; OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
; SOFTWARE.
%ifndef __INC_BOCHS_DEBUG_MAGIC
; for things like the error printer, opperate differently when we are targeting a dev (bochs) build
%define __STEVIA_DEV_DEBUG
; port_e9_hack: enabled=1 needs to be set in bochsrc.txt/bxrc
;
%ifnmacro __BOCHS_PRINTC
%macro __BOCHS_PRINTC 1
mov al, %1
out 0xe9, byte al
%endmacro
%endif
;
; port_e9_hack: enabled=1 needs to be set in bochsrc.txt/bxrc
;
%ifnmacro __BOCHS_BREAK
%macro __BOCHS_BREAK 0
push ax
mov ax, 0x8A00
out 0x8A00, word ax
pop ax
%endmacro
%endif
;
; magic_break: enabled=1 needs to be set in bochsrc.txt/bxrc
;
%ifnmacro __BOCHS_MAGIC_DEBUG
%macro __BOCHS_MAGIC_DEBUG 0
xchg bx, bx
%endmacro
%endif
%define __INC_BOCHS_DEBUG_MAGIC
%endif