/*
* Copyright ( C ) 1996 - 1999 SciTech Software , Inc .
*
* SPDX - License - Identifier : GPL - 2.0
*/
# ifndef _BIOS_EMUL_H
# define _BIOS_EMUL_H
/* Include the register header directly here */
# include "../drivers/bios_emulator/include/x86emu/regs.h"
# include <pci.h>
/****************************************************************************
REMARKS :
Data structure used to describe the details for the BIOS emulator system
environment as used by the X86 emulator library .
HEADER :
biosemu . h
MEMBERS :
vgaInfo - VGA BIOS information structure
biosmem_base - Base of the BIOS image
biosmem_limit - Limit of the BIOS image
busmem_base - Base of the VGA bus memory
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
typedef struct {
int function ;
int device ;
int bus ;
u32 VendorID ;
u32 DeviceID ;
# ifdef CONFIG_DM_PCI
struct udevice * pcidev ;
# else
pci_dev_t pcidev ;
# endif
void * BIOSImage ;
u32 BIOSImageLen ;
u8 LowMem [ 1536 ] ;
} BE_VGAInfo ;
struct vbe_mode_info ;
# ifdef CONFIG_DM_PCI
int BootVideoCardBIOS ( struct udevice * pcidev , BE_VGAInfo * * pVGAInfo ,
int clean_up ) ;
# else
int BootVideoCardBIOS ( pci_dev_t pcidev , BE_VGAInfo * * pVGAInfo , int clean_up ) ;
# endif
/* Run a BIOS ROM natively (only supported on x86 machines) */
void bios_run_on_x86 ( struct udevice * dev , unsigned long addr , int vesa_mode ,
struct vbe_mode_info * mode_info ) ;
/**
* bios_set_interrupt_handler ( ) - Install an interrupt handler for the BIOS
*
* This installs an interrupt handler that the BIOS will call when needed .
*
* @ intnum : Interrupt number to install a handler for
* @ int_handler_func : Function to call to handle interrupt
*/
void bios_set_interrupt_handler ( int intnum , int ( * int_handler_func ) ( void ) ) ;
void biosemu_set_interrupt_handler ( int intnum , int ( * int_func ) ( void ) ) ;
# ifdef CONFIG_DM_PCI
int biosemu_setup ( struct udevice * pcidev , BE_VGAInfo * * pVGAInfo ) ;
int biosemu_run ( struct udevice * dev , uchar * bios_rom , int bios_len ,
BE_VGAInfo * vga_info , int clean_up , int vesa_mode ,
struct vbe_mode_info * mode_info ) ;
# else
int biosemu_setup ( pci_dev_t pcidev , BE_VGAInfo * * pVGAInfo ) ;
int biosemu_run ( pci_dev_t pcidev , uchar * bios_rom , int bios_len ,
BE_VGAInfo * vga_info , int clean_up , int vesa_mode ,
struct vbe_mode_info * mode_info ) ;
# endif
# endif
