/* * (C) Copyright 1992, ..., 2004 the "DOSEMU-Development-Team". * * for details see file COPYING in the DOSEMU distribution */ /* miscellaneous BIOS stuff */ #ifndef BIOS_H #define BIOS_H #include "config.h" #include "extern.h" extern void bios_f000(void); /* BIOS start at 0xf0000 */ /* these two addresses are needed to avoid overwriting e.g. font * tables copied from VBIOS */ extern void bios_f000_endpart1(void); extern void bios_f000_part2(void); extern void bios_f000_end(void); /* BIOS end at 0xfffff */ extern void bios_f000_int10ptr(void); extern void bios_f000_bootdrive(void); extern void bios_f000_int10_old(void); #define INT2F_IDLE_MAGIC 0x1680 /* * symbols to access BIOS-data with meaningful names, not just addresses, * which are only numbers. The names are retranslatios from an old german * book :-( */ #define bios_base_address_com1 (*(unsigned short *) 0x400) #define bios_base_address_com2 (*(unsigned short *) 0x402) #define bios_base_address_com3 (*(unsigned short *) 0x404) #define bios_base_address_com4 (*(unsigned short *) 0x406) #define bios_address_lpt1 (*(unsigned short *) 0x408) #define bios_address_lpt2 (*(unsigned short *) 0x40a) #define bios_address_lpt3 (*(unsigned short *) 0x40c) /* 0x40e is reserved */ #define bios_configuration (*(unsigned short *) 0x410) /* 0x412 is reserved */ #define bios_memory_size (*(unsigned short *) 0x413) /* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */ #define bios_keyboard_state (*(unsigned short *) 0x417) #define bios_keyboard_leds (*(unsigned char *) 0x418) #define bios_keyboard_token (*(unsigned short *) 0x419) /* used for keyboard input with Alt-Number */ #define bios_keyboard_buffer_head (*(unsigned short *) 0x41a) #define bios_keyboard_buffer_tail (*(unsigned short *) 0x41c) /* #define bios_keyboard_buffer (*(unsigned int *) 0x41e) */ #define bios_drive_active (*(unsigned char *) 0x43e) #define bios_drive_running (*(unsigned char *) 0x43f) #define bios_motor_nachlaufzeit (*(unsigned char *) 0x440) #define bios_disk_status (*(unsigned char *) 0x441) /* #define bios_fdc_result_buffer (*(unsigned short *) 0x442) */ #define bios_video_mode (*(unsigned char *) 0x449) #define bios_screen_columns (*(unsigned short *) 0x44a) #define bios_video_memory_used (*(unsigned short *) 0x44c) #define bios_video_memory_address (*(unsigned short *) 0x44e) #define bios_cursor_x_position(screen) \ (*(unsigned char *)(0x450 + 2*(screen))) #define bios_cursor_y_position(screen) \ (*(unsigned char *)(0x451 + 2*(screen))) #define bios_cursor_shape (*(unsigned short *) 0x460) #define bios_cursor_last_line (*(unsigned char *) 0x460) #define bios_cursor_first_line (*(unsigned char *) 0x461) #define bios_current_screen_page (*(unsigned char *) 0x462) #define bios_video_port (*(unsigned short *) 0x463) #define bios_vdu_control (*( char *) 0x465) #define bios_vdu_color_register (*(unsigned short *) 0x466) /* 0x467-0x468 is reserved */ #define bios_timer (*(unsigned long *) 0x46c) #define bios_24_hours_flag (*(unsigned char *) 0x470) #define bios_keyboard_flags (*(unsigned char *) 0x471) #define bios_ctrl_alt_del_flag (*(unsigned short *) 0x472) #define bios_harddisk_count (*(unsigned short *) 0x475) /* 0x474, 0x476, 0x477 is reserved */ #define bios_lpt1_timeout (*(unsigned char *) 0x478) #define bios_lpt2_timeout (*(unsigned char *) 0x479) #define bios_lpt3_timeout (*(unsigned char *) 0x47a) /* 0x47b is reserved */ #define bios_com1_timeout (*(unsigned char *) 0x47c) #define bios_com2_timeout (*(unsigned char *) 0x47d) /* 0x47e is reserved */ /* 0x47f-0x4ff is unknow for me */ #define bios_keyboard_buffer_start (*(unsigned short *) 0x480) #define bios_keyboard_buffer_end (*(unsigned short *) 0x482) #define bios_rows_on_screen_minus_1 (*(unsigned char *) 0x484) #define bios_font_height (*(unsigned short *) 0x485) #define bios_video_info_0 (*(unsigned char *) 0x487) #define bios_video_info_1 (*(unsigned char *) 0x488) #define bios_video_info_2 (*(unsigned char *) 0x489) #define bios_video_combo (*(unsigned char *) 0x48a) #define bios_keyboard_flags2 (*(unsigned short *) 0x496) #define bios_print_screen_flag (*(unsigned short *) 0x500) #define bios_video_saveptr (*(unsigned long *) 0x4a8) #define READ_BYTE(addr) (*(Bit8u *) (addr)) #define WRITE_BYTE(addr, val) (*(Bit8u *) (addr) = (val) ) #define READ_WORD(addr) (*(Bit16u *) (addr)) #define WRITE_WORD(addr, val) (*(Bit16u *) (addr) = (val) ) #define READ_DWORD(addr) (*(Bit32u *) (addr)) #define WRITE_DWORD(addr, val) (*(Bit32u *) (addr) = (val) ) #define MEMCPY_2UNIX(unix_addr, dos_addr, n) \ memcpy((unix_addr), (Bit8u *)(dos_addr), (n)) #define MEMCPY_2DOS(dos_addr, unix_addr, n) \ memcpy((Bit8u *)(dos_addr), (unix_addr), (n)) #define MEMCPY_DOS2DOS(dos_addr, unix_addr, n) \ memcpy((Bit8u *)(dos_addr), (Bit8u *)(unix_addr), (n)) #define MEMMOVE_DOS2DOS(dos_addr1, dos_addr2, n) \ memmove((Bit8u *)(dos_addr1), (Bit8u *)(dos_addr2), (n)) #define MEMCMP_DOS_VS_UNIX(dos_addr, unix_addr, n) \ memcmp((Bit8u *)(dos_addr), (Bit8u *)(unix_addr), (n)) #define MEMSET_DOS(dos_addr, val, n) \ memset((Bit8u *)(dos_addr), (val), (n)) #define BIOS_BASE_ADDRESS_COM1 0x400 #define BIOS_BASE_ADDRESS_COM2 0x402 #define BIOS_BASE_ADDRESS_COM3 0x404 #define BIOS_BASE_ADDRESS_COM4 0x406 #define BIOS_ADDRESS_LPT1 0x408 #define BIOS_ADDRESS_LPT2 0x40a #define BIOS_ADDRESS_LPT3 0x40c /* 0x40e is reserved */ #define BIOS_CONFIGURATION 0x410 /* 0x412 is reserved */ #define BIOS_MEMORY_SIZE 0x413 /* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */ #define BIOS_KEYBOARD_STATE 0x417 #define BIOS_KEYBOARD_FLAGS1 BIOS_KEYBOARD_STATE #define BIOS_KEYBOARD_FLAGS2 0x418 #define BIOS_KEYBOARD_TOKEN 0x419 /* used for keyboard input with Alt-Number */ #define BIOS_KEYBOARD_BUFFER_HEAD 0x41a #define BIOS_KEYBOARD_BUFFER_TAIL 0x41c #define BIOS_KEYBOARD_BUFFER 0x41e /* #define bios_keyboard_buffer (*(unsigned int *) 0x41e) */ #define BIOS_DRIVE_ACTIVE 0x43e #define BIOS_DRIVE_RUNNING 0x43f #define BIOS_MOTOR_NACHLAUFZEIT 0x440 #define BIOS_DISK_STATUS 0x441 /* #define bios_fdc_result_buffer (*(unsigned short *) 0x442) */ #define BIOS_VIDEO_MODE 0x449 #define BIOS_SCREEN_COLUMNS 0x44a #define BIOS_VIDEO_MEMORY_USED 0x44c #define BIOS_VIDEO_MEMORY_ADDRESS 0x44e #define set_bios_cursor_x_position(screen, val) \ WRITE_BYTE(0x450 + 2*(screen), (val)) #define get_bios_cursor_x_position(screen) \ READ_BYTE(0x450 + 2*(screen)) #define set_bios_cursor_y_position(screen, val) \ WRITE_BYTE(0x451 + 2*(screen), (val)) #define get_bios_cursor_y_position(screen) \ READ_BYTE(0x451 + 2*(screen)) #define BIOS_CURSOR_SHAPE 0x460 #define BIOS_CURSOR_LAST_LINE 0x460 #define BIOS_CURSOR_FIRST_LINE 0x461 #define BIOS_CURRENT_SCREEN_PAGE 0x462 #define BIOS_VIDEO_PORT 0x463 #define BIOS_VDU_CONTROL 0x465 #define BIOS_VDU_COLOR_REGISTER 0x466 /* 0x467-0x468 is reserved */ #define BIOS_TIMER 0x46c #define BIOS_24_HOURS_FLAG 0x470 #define BIOS_KEYBOARD_FLAGS 0x471 #define BIOS_CTRL_ALT_DEL_FLAG 0x472 #define BIOS_HARDDISK_COUNT 0x475 /* 0x474, 0x476, 0x477 is reserved */ #define BIOS_LPT1_TIMEOUT 0x478 #define BIOS_LPT2_TIMEOUT 0x479 #define BIOS_LPT3_TIMEOUT 0x47a /* 0x47b is reserved */ #define BIOS_COM1_TIMEOUT 0x47c #define BIOS_COM2_TIMEOUT 0x47d /* 0x47e is reserved */ /* 0x47f-0x4ff is unknow for me */ #define BIOS_KEYBOARD_BUFFER_START 0x480 #define BIOS_KEYBOARD_BUFFER_END 0x482 #define BIOS_ROWS_ON_SCREEN_MINUS_1 0x484 #define BIOS_FONT_HEIGHT 0x485 #define BIOS_VIDEO_INFO_0 0x487 #define BIOS_VIDEO_INFO_1 0x488 #define BIOS_VIDEO_INFO_2 0x489 #define BIOS_VIDEO_COMBO 0x48a #define BIOS_KEYBOARD_FLAGS3 0x496 #define BIOS_KEYBOARD_LEDS 0x497 #define BIOS_PRINT_SCREEN_FLAG 0x500 #define BIOS_VIDEO_SAVEPTR 0x4a8 #define BIT(x) (1< 4, CONF_NLPT with num > 3, CONF_NFLOP * with num > 4 */ #define CONF_NSER(c,num) {c&=~(BIT(9)|BIT(10)|BIT(11)); c|=(num<<9);} #define CONF_NLPT(c,num) {c&=~(BIT(14)|BIT(15)); c|=(num<<14);} #define CONF_NFLOP(c,num) {c&=~(CONF_FLOP|BIT(6)|BIT(7)); \ if (num) c|=((num-1)<<6)|CONF_FLOP;} EXTERN unsigned int configuration INIT(0); /* The virtual * BIOS-configuration */ void setup_rom_bios(void); void bios_configuration_init(void); /* init BIOS-configuration */ void bios_data_init(void); /* init BIOS-data-areas */ void INT16_dummy_start(void); void INT16_dummy_end(void); #if 0 void INT09_dummy_start(void); void INT09_dummy_end(void); #endif void INT08_dummy_start(void); void INT08_dummy_end(void); void INT70_dummy_start(void); void INT70_dummy_end(void); void DPMI_dummy_start(void); void DPMI_dummy_end(void); void DPMI_dpmi_init(void); void DPMI_return_from_dos(void); void DPMI_return_from_dos_exec(void); void DPMI_return_from_dosint(void); void DPMI_return_from_realmode(void); void DPMI_return_from_dos_memory(void); void DPMI_realmode_callback(void); void DPMI_mouse_callback(void); void DPMI_raw_mode_switch(void); void DPMI_save_restore(void); void DPMI_API_extension(void); void DPMI_return_from_pm(void); void DPMI_return_from_exception(void); void DPMI_return_from_rm_callback(void); void DPMI_return_from_mouse_callback(void); void DPMI_exception(void); void DPMI_interrupt(void); void bios_IPX_PopRegistersReturn(void); void bios_IPX_PopRegistersIRet(void); void bios_IPX_FarCall(void); /* various declarations for interfacing with the packet driver code in bios.S */ void PKTDRV_driver_name(void); void PKTDRV_param(void); void PKTDRV_stats(void); void PKTDRV_start(void); /* * HLT block */ #define BIOS_HLT_BLK 0xfc000 #define BIOS_HLT_BLK_SIZE 0x01000 #endif /* BIOS_H */