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Bochs/bochs/iodev/iodev.h
Christophe Bothamy f43d2fe3e9 - backport of the BRANCH_HARDDISK_MODES to the main branch. 
You can now choose for each disk on the ata interfaces the
  disk mode, between :
    - flat : one file flat layout
    - concat : multiple files layout
    - external : developer's specific, through a C++ class
    - dll : developer's specific, through a DLL
    - sparse : stackable, commitable, rollbackable
    - vmware3 : vmware3 disk support
    - undoable : flat file with commitable redolog
    - growable : growing file
    - volatile : flat file with volatile redolog
    - z-undoable : gziped flat file with commitable redolog
    - z-volatile : gziped flat file with volatile redolog
  A new "bxcommit" utility can merge commitable redologs to
  flat images.
2003-05-03 16:37:18 +00:00

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/////////////////////////////////////////////////////////////////////////
// $Id: iodev.h,v 1.32 2003-05-03 16:37:17 cbothamy 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/
//
// 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
/* maximum number of emulated devices allowed. floppy, mda, etc...
you can increase this to anything below 256 since an 8-bit handle
is used for each device */
#define BX_MAX_IO_DEVICES 21
/* 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 scancode) {
STUBFUNC(keyboard, gen_scancode);
}
virtual void put_scancode( unsigned char *code, int count ) {
STUBFUNC(keyboard, put_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;
}
};
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 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_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 );
bx_bool register_io_write_handler(void *this_ptr, bx_write_handler_t f, Bit32u addr, const char *name );
bx_bool register_default_io_read_handler(void *this_ptr, bx_read_handler_t f, const char *name );
bx_bool register_default_io_write_handler(void *this_ptr, bx_write_handler_t f, const char *name );
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 *pluginPciVgaAdapter;
bx_devmodel_c *pluginPciUSBAdapter;
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;
#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;
// 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:
Bit8u read_handler_id[0x10000]; // 64K
struct {
bx_read_handler_t funct;
void *this_ptr;
const char *handler_name; // name of device
} io_read_handler[BX_MAX_IO_DEVICES];
unsigned num_read_handles;
Bit8u write_handler_id[0x10000]; // 64K
struct {
bx_write_handler_t funct;
void *this_ptr;
const char *handler_name; // name of device
} io_write_handler[BX_MAX_IO_DEVICES];
unsigned num_write_handles;
// 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"
#if BX_PCI_VGA_SUPPORT
#include "iodev/pcivga.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"
#include "iodev/guest2host.h"
#include "iodev/slowdown_timer.h"
#include "iodev/extfpuirq.h"
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