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Bochs/bochs/iodev/iodev.h
Stanislav Shwartsman 5873b26a82 Speed up compilation process. 
bochs.h already not include iodev.h which reduces compilation dependences for almost all cpu and fpu files, now cpu files will not be recompiled if iodev includes was changed
2004-06-19 15:20:15 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id: iodev.h,v 1.43 2004-06-19 15:20:12 sshwarts Exp $
/////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2002 MandrakeSoft S.A.
//
// MandrakeSoft S.A.
// 43, rue d'Aboukir
// 75002 Paris - France
// http://www.linux-mandrake.com/
// http://www.mandrakesoft.com/
//
// I/O port handlers API Copyright (C) 2003 by Frank Cornelis
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef IODEV_H
#define IODEV_H
#include "bochs.h"
/* maximum number of emulated devices allowed. floppy, vga, etc...
you can increase this to anything below 256 since an 8-bit handle
is used for each device */
#define BX_MAX_IO_DEVICES 30
/* the last device in the array is the "default" I/O device */
#define BX_DEFAULT_IO_DEVICE (BX_MAX_IO_DEVICES-1)
/* number of IRQ lines supported. In an ISA PC there are two
PIC chips cascaded together. each has 8 IRQ lines, so there
should be 16 IRQ's total */
#define BX_MAX_IRQS 16
#define BX_NO_IRQ -1
class bx_pit_c;
class bx_keyb_c;
class bx_ioapic_c;
class bx_g2h_c;
#if BX_IODEBUG_SUPPORT
class bx_iodebug_c;
#endif
typedef Bit32u (*bx_read_handler_t)(void *, Bit32u, unsigned);
typedef void (*bx_write_handler_t)(void *, Bit32u, Bit32u, unsigned);
#if BX_USE_DEV_SMF
# define BX_DEV_SMF static
# define BX_DEV_THIS bx_devices.
#else
# define BX_DEV_SMF
# define BX_DEV_THIS this->
#endif
//////////////////////////////////////////////////////////////////////
// bx_devmodel_c declaration
//////////////////////////////////////////////////////////////////////
// This class defines virtual methods that are common to all devices.
// Child classes do not need to implement all of them, because in this
// definition they are defined as empty, as opposed to being pure
// virtual (= 0).
class BOCHSAPI bx_devmodel_c : public logfunctions {
public:
virtual ~bx_devmodel_c () {}
virtual void init_mem(BX_MEM_C *) {}
virtual void init(void) {}
virtual void reset(unsigned type) {}
virtual void device_load_state () {}
virtual void device_save_state () {}
};
//////////////////////////////////////////////////////////////////////
// declare stubs for devices
//////////////////////////////////////////////////////////////////////
#define STUBFUNC(dev,method) \
pluginlog->panic("%s called in %s stub. you must not have loaded the %s plugin", #dev, #method, #dev )
class BOCHSAPI bx_keyb_stub_c : public bx_devmodel_c {
public:
virtual ~bx_keyb_stub_c () {}
// stubs for bx_keyb_c methods
virtual void mouse_motion(int delta_x, int delta_y, unsigned button_state) {
STUBFUNC(keyboard, mouse_motion);
}
virtual void gen_scancode(Bit32u key) {
STUBFUNC(keyboard, gen_scancode);
}
virtual void paste_bytes(Bit8u *data, Bit32s length) {
STUBFUNC(keyboard, paste_bytes);
}
virtual void paste_delay_changed () {
STUBFUNC(keyboard, paste_delay_changed);
}
virtual void mouse_enabled_changed(bool enabled) {
STUBFUNC(keyboard, mouse_enabled_changed);
}
};
class BOCHSAPI bx_hard_drive_stub_c : public bx_devmodel_c {
public:
virtual void close_harddrive(void) {
STUBFUNC(HD, close_harddrive);
}
virtual void init() {
STUBFUNC(HD, init);
}
virtual void reset(unsigned type) {
STUBFUNC(HD, reset);
}
virtual Bit32u get_device_handle(Bit8u channel, Bit8u device) {
STUBFUNC(HD, get_device_handle); return 0;
}
virtual Bit32u get_first_cd_handle(void) {
STUBFUNC(HD, get_first_cd_handle); return 0;
}
virtual unsigned get_cd_media_status(Bit32u handle) {
STUBFUNC(HD, get_cd_media_status); return 0;
}
virtual unsigned set_cd_media_status(Bit32u handle, unsigned status) {
STUBFUNC(HD, set_cd_media_status); return 0;
}
virtual Bit32u virt_read_handler(Bit32u address, unsigned io_len)
{
STUBFUNC(HD, virt_read_handler); return 0;
}
virtual void virt_write_handler(Bit32u address,
Bit32u value, unsigned io_len)
{
STUBFUNC(HD, virt_write_handler);
}
};
class BOCHSAPI bx_floppy_stub_c : public bx_devmodel_c {
public:
virtual unsigned get_media_status(unsigned drive) {
STUBFUNC(floppy, get_media_status); return 0;
}
virtual unsigned set_media_status(unsigned drive, unsigned status) {
STUBFUNC(floppy, set_media_status); return 0;
}
};
class BOCHSAPI bx_cmos_stub_c : public bx_devmodel_c {
public:
virtual Bit32u get_reg(unsigned reg) {
STUBFUNC(cmos, get_reg); return 0;
}
virtual void set_reg(unsigned reg, Bit32u val) {
STUBFUNC(cmos, set_reg);
}
virtual time_t get_timeval() {
// STUBFUNC(cmos, get_timeval);
return 0;
}
virtual void checksum_cmos(void) {
STUBFUNC(cmos, checksum);
}
};
class BOCHSAPI bx_dma_stub_c : public bx_devmodel_c {
public:
virtual unsigned registerDMA8Channel(
unsigned channel,
void (* dmaRead)(Bit8u *data_byte),
void (* dmaWrite)(Bit8u *data_byte),
const char *name
) {
STUBFUNC(dma, registerDMA8Channel); return 0;
}
virtual unsigned registerDMA16Channel(
unsigned channel,
void (* dmaRead)(Bit16u *data_word),
void (* dmaWrite)(Bit16u *data_word),
const char *name
) {
STUBFUNC(dma, registerDMA16Channel); return 0;
}
virtual unsigned unregisterDMAChannel(unsigned channel) {
STUBFUNC(dma, unregisterDMAChannel); return 0;
}
virtual unsigned get_TC(void) {
STUBFUNC(dma, get_TC); return 0;
}
virtual void set_DRQ(unsigned channel, bx_bool val) {
STUBFUNC(dma, set_DRQ);
}
virtual void raise_HLDA(void) {
STUBFUNC(dma, raise_HLDA);
}
};
class BOCHSAPI bx_pic_stub_c : public bx_devmodel_c {
public:
virtual void raise_irq(unsigned irq_no) {
STUBFUNC(pic, raise_irq);
}
virtual void lower_irq(unsigned irq_no) {
STUBFUNC(pic, lower_irq);
}
virtual Bit8u IAC(void) {
STUBFUNC(pic, IAC); return 0;
}
virtual void show_pic_state(void) {
STUBFUNC(pic, show_pic_state);
}
};
class BOCHSAPI bx_vga_stub_c : public bx_devmodel_c {
public:
virtual void redraw_area(unsigned x0, unsigned y0,
unsigned width, unsigned height) {
STUBFUNC(vga, redraw_area);
}
virtual Bit8u mem_read(Bit32u addr) {
STUBFUNC(vga, mem_read); return 0;
}
virtual void mem_write(Bit32u addr, Bit8u value) {
STUBFUNC(vga, mem_write);
}
virtual void get_text_snapshot(Bit8u **text_snapshot,
unsigned *txHeight, unsigned *txWidth) {
STUBFUNC(vga, get_text_snapshot);
}
virtual void trigger_timer(void *this_ptr) {
STUBFUNC(vga, trigger_timer);
}
virtual void set_update_interval (unsigned interval) {
STUBFUNC(vga, set_update_interval);
}
virtual Bit8u get_actl_palette_idx(Bit8u index) {
return 0;
}
};
class BOCHSAPI bx_pci_stub_c : public bx_devmodel_c {
public:
virtual bx_bool register_pci_handlers(void *this_ptr,
Bit32u (*bx_pci_read_handler)(void *, Bit8u, unsigned),
void(*bx_pci_write_handler)(void *, Bit8u, Bit32u, unsigned),
Bit8u devfunc, const char *name) {
STUBFUNC(pci, register_pci_handlers); return 0;
}
virtual Bit8u find_free_devfunc() {
STUBFUNC(pci, find_free_devfunc); return 0;
}
virtual Bit8u rd_memType (Bit32u addr) {
return 0;
}
virtual Bit8u wr_memType (Bit32u addr) {
return 0;
}
virtual void print_i440fx_state(void) {}
};
class BOCHSAPI bx_ne2k_stub_c : public bx_devmodel_c {
public:
virtual void print_info(FILE *file, int page, int reg, int nodups) {}
};
class BOCHSAPI bx_speaker_stub_c : public bx_devmodel_c {
public:
virtual void beep_on(float frequency) {}
virtual void beep_off() {}
};
class BOCHSAPI bx_devices_c : public logfunctions {
public:
bx_devices_c(void);
~bx_devices_c(void);
// Register I/O addresses and IRQ lines. Initialize any internal
// structures. init() is called only once, even if the simulator
// reboots or is restarted.
void init(BX_MEM_C *);
// Enter reset state in response to a reset condition.
// The types of reset conditions are defined in bochs.h:
// power-on, hardware, or software.
void reset(unsigned type);
BX_MEM_C *mem; // address space associated with these devices
bx_bool register_io_read_handler(void *this_ptr, bx_read_handler_t f,
Bit32u addr, const char *name, Bit8u mask );
bx_bool unregister_io_read_handler( void *this_ptr, bx_read_handler_t f,
Bit32u addr, Bit8u mask );
bx_bool register_io_write_handler(void *this_ptr, bx_write_handler_t f, Bit32u addr, const char *name, Bit8u mask );
bx_bool unregister_io_write_handler( void *this_ptr, bx_write_handler_t f,
Bit32u addr, Bit8u mask );
bx_bool register_io_read_handler_range( void *this_ptr, bx_read_handler_t f,
Bit32u begin_addr, Bit32u end_addr,
const char *name, Bit8u mask );
bx_bool register_io_write_handler_range( void *this_ptr, bx_write_handler_t f,
Bit32u begin_addr, Bit32u end_addr,
const char *name, Bit8u mask );
bx_bool unregister_io_read_handler_range( void *this_ptr, bx_read_handler_t f,
Bit32u begin, Bit32u end, Bit8u mask );
bx_bool unregister_io_write_handler_range( void *this_ptr, bx_write_handler_t f,
Bit32u begin, Bit32u end, Bit8u mask );
bx_bool register_default_io_read_handler(void *this_ptr, bx_read_handler_t f, const char *name, Bit8u mask );
bx_bool register_default_io_write_handler(void *this_ptr, bx_write_handler_t f, const char *name, Bit8u mask );
bx_bool register_irq(unsigned irq, const char *name);
bx_bool unregister_irq(unsigned irq, const char *name);
void iodev_init(void);
Bit32u inp(Bit16u addr, unsigned io_len) BX_CPP_AttrRegparmN(2);
void outp(Bit16u addr, Bit32u value, unsigned io_len) BX_CPP_AttrRegparmN(3);
static void timer_handler(void *);
void timer(void);
bx_devmodel_c *pluginBiosDevice;
bx_ioapic_c *ioapic;
bx_pci_stub_c *pluginPciBridge;
bx_devmodel_c *pluginPci2IsaBridge;
bx_devmodel_c *pluginPciIdeController;
bx_devmodel_c *pluginPciVgaAdapter;
bx_devmodel_c *pluginPciDevAdapter;
bx_devmodel_c *pluginPciUSBAdapter;
bx_devmodel_c *pluginPciPNicAdapter;
bx_pit_c *pit;
bx_keyb_stub_c *pluginKeyboard;
bx_dma_stub_c *pluginDmaDevice;
bx_floppy_stub_c *pluginFloppyDevice;
bx_cmos_stub_c *pluginCmosDevice;
bx_devmodel_c *pluginSerialDevice;
bx_devmodel_c *pluginParallelDevice;
bx_devmodel_c *pluginUnmapped;
bx_vga_stub_c *pluginVgaDevice;
bx_pic_stub_c *pluginPicDevice;
bx_hard_drive_stub_c *pluginHardDrive;
bx_devmodel_c *pluginSB16Device;
bx_ne2k_stub_c *pluginNE2kDevice;
bx_g2h_c *g2h;
bx_devmodel_c *pluginExtFpuIrq;
bx_devmodel_c *pluginGameport;
bx_speaker_stub_c *pluginSpeaker;
#if BX_IODEBUG_SUPPORT
bx_iodebug_c *iodebug;
#endif
// stub classes that the pointers (above) can point to until a plugin is
// loaded
bx_cmos_stub_c stubCmos;
bx_keyb_stub_c stubKeyboard;
bx_hard_drive_stub_c stubHardDrive;
bx_dma_stub_c stubDma;
bx_pic_stub_c stubPic;
bx_floppy_stub_c stubFloppy;
bx_vga_stub_c stubVga;
bx_pci_stub_c stubPci;
bx_ne2k_stub_c stubNE2k;
bx_speaker_stub_c stubSpeaker;
// Some info to pass to devices which can handled bulk IO. This allows
// the interface to remain the same for IO devices which can't handle
// bulk IO. We should probably implement special INPBulk() and OUTBulk()
// functions which stick these values in the bx_devices_c class, and
// then call the normal functions rather than having gross globals
// variables.
Bit32u bulkIOHostAddr;
unsigned bulkIOQuantumsRequested;
unsigned bulkIOQuantumsTransferred;
private:
struct io_handler_struct {
struct io_handler_struct *next;
struct io_handler_struct *prev;
void *funct; // C++ type checking is great, but annoying
void *this_ptr;
const char *handler_name; // name of device
int usage_count;
Bit8u mask; // io_len mask
};
struct io_handler_struct io_read_handlers;
struct io_handler_struct io_write_handlers;
#define PORTS 0x10000
struct io_handler_struct **read_port_to_handler;
struct io_handler_struct **write_port_to_handler;
// more for informative purposes, the names of the devices which
// are use each of the IRQ 0..15 lines are stored here
const char *irq_handler_name[BX_MAX_IRQS];
static Bit32u read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
BX_DEV_SMF Bit32u port92_read(Bit32u address, unsigned io_len);
BX_DEV_SMF void port92_write(Bit32u address, Bit32u value, unsigned io_len);
static Bit32u default_read_handler(void *this_ptr, Bit32u address, unsigned io_len);
static void default_write_handler(void *this_ptr, Bit32u address, Bit32u value, unsigned io_len);
int timer_handle;
bx_bool is_serial_enabled ();
bx_bool is_usb_enabled ();
bx_bool is_parallel_enabled ();
};
#if BX_PCI_SUPPORT
#include "iodev/pci.h"
#include "iodev/pci2isa.h"
#include "iodev/pci_ide.h"
#if BX_PCI_VGA_SUPPORT
#include "iodev/pcivga.h"
#endif
#if BX_PCI_DEV_SUPPORT
#include "iodev/pcidev.h"
#endif
#if BX_PCI_USB_SUPPORT
#include "iodev/pciusb.h"
#endif
#endif
#include "iodev/vga.h"
#if BX_SUPPORT_APIC
# include "iodev/ioapic.h"
#endif
#include "iodev/biosdev.h"
#include "iodev/cmos.h"
#include "iodev/dma.h"
#include "iodev/floppy.h"
#include "iodev/harddrv.h"
#include "iodev/vmware3.h"
#if BX_IODEBUG_SUPPORT
# include "iodev/iodebug.h"
#endif
#include "iodev/keyboard.h"
#include "iodev/parallel.h"
#include "iodev/pic.h"
#include "iodev/pit.h"
#include "iodev/pit_wrap.h"
#include "iodev/virt_timer.h"
#include "iodev/serial.h"
#if BX_SUPPORT_SB16
# include "iodev/sb16.h"
#endif
#include "iodev/unmapped.h"
#include "iodev/eth.h"
#include "iodev/ne2k.h"
#if BX_PCI_PNIC_SUPPORT
#include "iodev/pcipnic.h"
#endif
#include "iodev/guest2host.h"
#include "iodev/slowdown_timer.h"
#include "iodev/extfpuirq.h"
#include "iodev/gameport.h"
#include "iodev/speaker.h"
#if ( BX_PROVIDE_DEVICE_MODELS==1 )
BOCHSAPI extern bx_devices_c bx_devices;
#endif
#endif /* IODEV_H */
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