From f215e02bf85f68d3a6106c2a1f4f7f063f819064 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Thu, 11 Apr 2024 10:17:27 +0200 Subject: Adding upstream version 7.0.14-dfsg. Signed-off-by: Daniel Baumann --- src/VBox/Devices/Graphics/BIOS/vgabios.h | 68 ++++++++++++++++++++++++++++++++ 1 file changed, 68 insertions(+) create mode 100644 src/VBox/Devices/Graphics/BIOS/vgabios.h (limited to 'src/VBox/Devices/Graphics/BIOS/vgabios.h') diff --git a/src/VBox/Devices/Graphics/BIOS/vgabios.h b/src/VBox/Devices/Graphics/BIOS/vgabios.h new file mode 100644 index 00000000..1c545710 --- /dev/null +++ b/src/VBox/Devices/Graphics/BIOS/vgabios.h @@ -0,0 +1,68 @@ + +#ifndef VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h +#define VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +/* Types */ +//typedef unsigned char Bit8u; +//typedef unsigned short Bit16u; +//typedef unsigned long Bit32u; +typedef unsigned short Boolean; + +/* Defines */ + +#define SET_AL(val8) AX = ((AX & 0xff00) | (val8)) +#define SET_BL(val8) BX = ((BX & 0xff00) | (val8)) +#define SET_CL(val8) CX = ((CX & 0xff00) | (val8)) +#define SET_DL(val8) DX = ((DX & 0xff00) | (val8)) +#define SET_AH(val8) AX = ((AX & 0x00ff) | ((val8) << 8)) +#define SET_BH(val8) BX = ((BX & 0x00ff) | ((val8) << 8)) +#define SET_CH(val8) CX = ((CX & 0x00ff) | ((val8) << 8)) +#define SET_DH(val8) DX = ((DX & 0x00ff) | ((val8) << 8)) + +#define GET_AL() ( AX & 0x00ff ) +#define GET_BL() ( BX & 0x00ff ) +#define GET_CL() ( CX & 0x00ff ) +#define GET_DL() ( DX & 0x00ff ) +#define GET_AH() ( AX >> 8 ) +#define GET_BH() ( BX >> 8 ) +#define GET_CH() ( CX >> 8 ) +#define GET_DH() ( DX >> 8 ) + +#define SET_CF() FLAGS |= 0x0001 +#define CLEAR_CF() FLAGS &= 0xfffe +#define GET_CF() (FLAGS & 0x0001) + +#define SET_ZF() FLAGS |= 0x0040 +#define CLEAR_ZF() FLAGS &= 0xffbf +#define GET_ZF() (FLAGS & 0x0040) + +#define SCROLL_DOWN 0 +#define SCROLL_UP 1 +#define NO_ATTR 2 +#define WITH_ATTR 3 + +#define SCREEN_SIZE(x,y) (((x*y*2)|0x00ff)+1) +#define SCREEN_MEM_START(x,y,p) ((((x*y*2)|0x00ff)+1)*p) +#define SCREEN_IO_START(x,y,p) ((((x*y)|0x00ff)+1)*p) + +/* Macro for stack-based pointers. */ +#define STACK_BASED _based(_segname("_STACK")) + +/* Output. */ +extern void __cdecl printf(char *s, ...); + +/* VGA BIOS routines called by VBE. */ +extern void biosfn_set_video_mode(uint8_t mode); +extern uint16_t biosfn_read_video_state_size2(uint16_t state); +extern uint16_t biosfn_save_video_state(uint16_t CX, uint16_t ES, uint16_t BX); +extern uint16_t biosfn_restore_video_state(uint16_t CX, uint16_t ES, uint16_t BX); + +/* Allow stand-alone compilation. */ +#ifndef VBOX_VERSION_STRING +#include +#endif + +#endif /* !VBOX_INCLUDED_SRC_Graphics_BIOS_vgabios_h */ -- cgit v1.2.3