diff options
Diffstat (limited to 'include/bios_emul.h')
-rw-r--r-- | include/bios_emul.h | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/include/bios_emul.h b/include/bios_emul.h new file mode 100644 index 0000000..3643b82 --- /dev/null +++ b/include/bios_emul.h @@ -0,0 +1,66 @@ +/* + * 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; + pci_dev_t pcidev; + void *BIOSImage; + u32 BIOSImageLen; + u8 LowMem[1536]; +} BE_VGAInfo; + +struct vbe_mode_info; + +int BootVideoCardBIOS(pci_dev_t pcidev, BE_VGAInfo **pVGAInfo, int cleanUp); + +/* Run a BIOS ROM natively (only supported on x86 machines) */ +void bios_run_on_x86(pci_dev_t pcidev, 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)); + +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 |