608 lines
19 KiB
C++
608 lines
19 KiB
C++
/////////////////////////////////////////////////////////////////////////
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// $Id: iodev.h,v 1.85 2006-10-02 10:14:07 vruppert Exp $
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/////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2002 MandrakeSoft S.A.
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//
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// MandrakeSoft S.A.
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// 43, rue d'Aboukir
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// 75002 Paris - France
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// http://www.linux-mandrake.com/
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// http://www.mandrakesoft.com/
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//
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// I/O port handlers API Copyright (C) 2003 by Frank Cornelis
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//
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// This library is free software; you can redistribute it and/or
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// modify it under the terms of the GNU Lesser General Public
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// License as published by the Free Software Foundation; either
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// version 2 of the License, or (at your option) any later version.
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//
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// This library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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// Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public
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// License along with this library; if not, write to the Free Software
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// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#ifndef IODEV_H
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#define IODEV_H
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#include "bochs.h"
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/* maximum number of emulated devices allowed. floppy, vga, etc...
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you can increase this to anything below 256 since an 8-bit handle
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is used for each device */
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#define BX_MAX_IO_DEVICES 30
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/* the last device in the array is the "default" I/O device */
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#define BX_DEFAULT_IO_DEVICE (BX_MAX_IO_DEVICES-1)
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/* number of IRQ lines supported. In an ISA PC there are two
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PIC chips cascaded together. each has 8 IRQ lines, so there
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should be 16 IRQ's total */
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#define BX_MAX_IRQS 16
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#define BX_NO_IRQ -1
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class bx_pit_c;
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#if BX_SUPPORT_APIC
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class bx_ioapic_c;
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#endif
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#if BX_SUPPORT_IODEBUG
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class bx_iodebug_c;
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#endif
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#if 0
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class bx_g2h_c;
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#endif
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typedef Bit32u (*bx_read_handler_t)(void *, Bit32u, unsigned);
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typedef void (*bx_write_handler_t)(void *, Bit32u, Bit32u, unsigned);
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#if BX_USE_DEV_SMF
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# define BX_DEV_SMF static
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# define BX_DEV_THIS bx_devices.
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#else
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# define BX_DEV_SMF
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# define BX_DEV_THIS this->
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#endif
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//////////////////////////////////////////////////////////////////////
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// bx_devmodel_c declaration
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//////////////////////////////////////////////////////////////////////
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// This class defines virtual methods that are common to all devices.
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// Child classes do not need to implement all of them, because in this
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// definition they are defined as empty, as opposed to being pure
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// virtual (= 0).
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class BOCHSAPI bx_devmodel_c : public logfunctions {
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public:
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virtual ~bx_devmodel_c() {}
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virtual void init_mem(BX_MEM_C *) {}
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virtual void init(void) {}
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virtual void reset(unsigned type) {}
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#if BX_SUPPORT_SAVE_RESTORE
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virtual void register_state(void) {}
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virtual void after_restore_state(void) {}
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#endif
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};
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//////////////////////////////////////////////////////////////////////
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// declare stubs for PCI devices
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//////////////////////////////////////////////////////////////////////
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// the best should be deriving of bx_pci_device_stub_c from bx_devmodel_c
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// but it make serious problems for cirrus_svga device
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class BOCHSAPI bx_pci_device_stub_c {
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public:
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virtual ~bx_pci_device_stub_c() {}
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virtual Bit32u pci_read_handler(Bit8u address, unsigned io_len) {
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return 0;
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}
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virtual void pci_write_handler(Bit8u address, Bit32u value, unsigned io_len) {}
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};
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//////////////////////////////////////////////////////////////////////
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// declare stubs for devices
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//////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////
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#define STUBFUNC(dev,method) \
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pluginlog->panic("%s called in %s stub. you must not have loaded the %s plugin", #dev, #method, #dev )
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//////////////////////////////////////////////////////////////////////
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class BOCHSAPI bx_keyb_stub_c : public bx_devmodel_c {
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public:
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virtual ~bx_keyb_stub_c() {}
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// stubs for bx_keyb_c methods
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virtual void mouse_motion(int delta_x, int delta_y, int delta_z, unsigned button_state) {
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STUBFUNC(keyboard, mouse_motion);
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}
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virtual void gen_scancode(Bit32u key) {
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STUBFUNC(keyboard, gen_scancode);
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}
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virtual void paste_bytes(Bit8u *data, Bit32s length) {
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STUBFUNC(keyboard, paste_bytes);
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}
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};
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class BOCHSAPI bx_hard_drive_stub_c : public bx_devmodel_c {
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public:
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virtual void init() {
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STUBFUNC(HD, init);
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}
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virtual void reset(unsigned type) {
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STUBFUNC(HD, reset);
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}
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virtual Bit32u get_device_handle(Bit8u channel, Bit8u device) {
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STUBFUNC(HD, get_device_handle); return 0;
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}
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virtual Bit32u get_first_cd_handle(void) {
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STUBFUNC(HD, get_first_cd_handle); return 0;
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}
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virtual unsigned get_cd_media_status(Bit32u handle) {
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STUBFUNC(HD, get_cd_media_status); return 0;
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}
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virtual unsigned set_cd_media_status(Bit32u handle, unsigned status) {
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STUBFUNC(HD, set_cd_media_status); return 0;
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}
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virtual Bit32u virt_read_handler(Bit32u address, unsigned io_len)
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{
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STUBFUNC(HD, virt_read_handler); return 0;
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}
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virtual void virt_write_handler(Bit32u address,
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Bit32u value, unsigned io_len)
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{
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STUBFUNC(HD, virt_write_handler);
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}
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virtual bx_bool bmdma_read_sector(Bit8u channel, Bit8u *buffer, Bit32u *sector_size) {
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STUBFUNC(HD, bmdma_read_sector); return 0;
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}
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virtual bx_bool bmdma_write_sector(Bit8u channel, Bit8u *buffer) {
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STUBFUNC(HD, bmdma_write_sector); return 0;
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}
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virtual void bmdma_complete(Bit8u channel) {
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STUBFUNC(HD, bmdma_complete);
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}
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};
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class BOCHSAPI bx_floppy_stub_c : public bx_devmodel_c {
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public:
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virtual unsigned get_media_status(unsigned drive) {
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STUBFUNC(floppy, get_media_status); return 0;
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}
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virtual unsigned set_media_status(unsigned drive, unsigned status) {
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STUBFUNC(floppy, set_media_status); return 0;
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}
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};
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class BOCHSAPI bx_cmos_stub_c : public bx_devmodel_c {
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public:
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virtual Bit32u get_reg(unsigned reg) {
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STUBFUNC(cmos, get_reg); return 0;
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}
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virtual void set_reg(unsigned reg, Bit32u val) {
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STUBFUNC(cmos, set_reg);
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}
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virtual time_t get_timeval() {
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return 0;
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}
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virtual void checksum_cmos(void) {
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STUBFUNC(cmos, checksum);
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}
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};
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class BOCHSAPI bx_dma_stub_c : public bx_devmodel_c {
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public:
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virtual unsigned registerDMA8Channel(
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unsigned channel,
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void (* dmaRead)(Bit8u *data_byte),
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void (* dmaWrite)(Bit8u *data_byte),
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const char *name)
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{
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STUBFUNC(dma, registerDMA8Channel); return 0;
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}
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virtual unsigned registerDMA16Channel(
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unsigned channel,
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void (* dmaRead)(Bit16u *data_word),
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void (* dmaWrite)(Bit16u *data_word),
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const char *name)
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{
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STUBFUNC(dma, registerDMA16Channel); return 0;
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}
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virtual unsigned unregisterDMAChannel(unsigned channel) {
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STUBFUNC(dma, unregisterDMAChannel); return 0;
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}
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virtual unsigned get_TC(void) {
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STUBFUNC(dma, get_TC); return 0;
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}
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virtual void set_DRQ(unsigned channel, bx_bool val) {
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STUBFUNC(dma, set_DRQ);
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}
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virtual void raise_HLDA(void) {
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STUBFUNC(dma, raise_HLDA);
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}
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};
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class BOCHSAPI bx_pic_stub_c : public bx_devmodel_c {
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public:
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virtual void raise_irq(unsigned irq_no) {
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STUBFUNC(pic, raise_irq);
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}
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virtual void lower_irq(unsigned irq_no) {
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STUBFUNC(pic, lower_irq);
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}
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virtual void set_mode(bx_bool ma_sl, Bit8u mode) {
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STUBFUNC(pic, set_mode);
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}
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virtual Bit8u IAC(void) {
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STUBFUNC(pic, IAC); return 0;
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}
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virtual void show_pic_state(void) {
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STUBFUNC(pic, show_pic_state);
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}
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};
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class BOCHSAPI bx_vga_stub_c : public bx_devmodel_c {
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public:
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virtual void redraw_area(unsigned x0, unsigned y0,
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unsigned width, unsigned height) {
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STUBFUNC(vga, redraw_area);
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}
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virtual Bit8u mem_read(Bit32u addr) {
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STUBFUNC(vga, mem_read); return 0;
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}
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virtual void mem_write(Bit32u addr, Bit8u value) {
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STUBFUNC(vga, mem_write);
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}
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virtual void get_text_snapshot(Bit8u **text_snapshot,
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unsigned *txHeight, unsigned *txWidth) {
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STUBFUNC(vga, get_text_snapshot);
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}
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virtual void trigger_timer(void *this_ptr) {
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STUBFUNC(vga, trigger_timer);
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}
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virtual Bit8u get_actl_palette_idx(Bit8u index) {
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return 0;
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}
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virtual void dump_status(void) {}
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};
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class BOCHSAPI bx_pci_bridge_stub_c : public bx_devmodel_c, public bx_pci_device_stub_c {
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public:
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virtual bx_bool register_pci_handlers(bx_pci_device_stub_c *device,
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Bit8u *devfunc, const char *name,
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const char *descr)
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{
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STUBFUNC(pci, register_pci_handlers); return 0;
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}
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virtual bx_bool is_pci_device (const char *name) {
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return 0;
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}
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virtual bx_bool pci_set_base_mem(void *this_ptr, memory_handler_t f1, memory_handler_t f2,
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Bit32u *addr, Bit8u *pci_conf, unsigned size) {
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STUBFUNC(pci, pci_set_base_mem);
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return 0;
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}
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virtual bx_bool pci_set_base_io(void *this_ptr, bx_read_handler_t f1, bx_write_handler_t f2,
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Bit32u *addr, Bit8u *pci_conf, unsigned size,
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const Bit8u *iomask, const char *name) {
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STUBFUNC(pci, pci_set_base_io);
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return 0;
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}
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virtual Bit8u rd_memType (Bit32u addr) {
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return 0;
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}
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virtual Bit8u wr_memType (Bit32u addr) {
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return 0;
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}
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virtual void print_i440fx_state(void) {}
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};
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class BOCHSAPI bx_pci2isa_stub_c : public bx_devmodel_c, public bx_pci_device_stub_c {
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public:
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virtual void pci_set_irq (Bit8u devfunc, unsigned line, bx_bool level) {
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STUBFUNC(pci2isa, pci_set_irq);
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}
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};
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class BOCHSAPI bx_pci_ide_stub_c : public bx_devmodel_c, public bx_pci_device_stub_c {
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public:
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virtual bx_bool bmdma_present(void) {
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return 0;
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}
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virtual void bmdma_set_irq(Bit8u channel) {}
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};
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class BOCHSAPI bx_ne2k_stub_c : public bx_devmodel_c {
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public:
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virtual void print_info(FILE *file, int page, int reg, int nodups) {}
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};
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class BOCHSAPI bx_speaker_stub_c : public bx_devmodel_c {
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public:
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virtual void beep_on(float frequency) {}
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virtual void beep_off() {}
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};
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class BOCHSAPI bx_serial_stub_c : public bx_devmodel_c {
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public:
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virtual void serial_mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state) {
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STUBFUNC(serial, serial_mouse_enq);
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}
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};
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#if BX_SUPPORT_PCIUSB
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class BOCHSAPI bx_pci_usb_stub_c : public bx_devmodel_c, public bx_pci_device_stub_c {
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public:
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virtual void usb_mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state) {
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STUBFUNC(pciusb, usb_mouse_enq);
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}
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virtual void usb_mouse_enabled_changed(bx_bool enable) {
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STUBFUNC(pciusb, usb_mouse_enabled_changed);
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}
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virtual bx_bool usb_key_enq(Bit8u *scan_code) {
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STUBFUNC(pciusb, usb_key_enq);
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return 0;
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}
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virtual bx_bool usb_keyboard_connected() {
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return 0;
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}
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virtual bx_bool usb_mouse_connected() {
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return 0;
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}
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};
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#endif
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#if BX_SUPPORT_ACPI
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class BOCHSAPI bx_acpi_ctrl_stub_c : public bx_devmodel_c, public bx_pci_device_stub_c {
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public:
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virtual void generate_smi() {}
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};
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#endif
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#if BX_SUPPORT_BUSMOUSE
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class BOCHSAPI bx_busm_stub_c : public bx_devmodel_c {
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public:
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virtual void bus_mouse_enq(int delta_x, int delta_y, int delta_z, unsigned button_state) {
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STUBFUNC(busmouse, bus_mouse_enq);
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}
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};
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#endif
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class BOCHSAPI bx_devices_c : public logfunctions {
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public:
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bx_devices_c(void);
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~bx_devices_c(void);
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// Initialize the device stubs (in constructur and exit())
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void init_stubs(void);
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// Register I/O addresses and IRQ lines. Initialize any internal
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// structures. init() is called only once, even if the simulator
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// reboots or is restarted.
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void init(BX_MEM_C *);
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// Enter reset state in response to a reset condition.
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// The types of reset conditions are defined in bochs.h:
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// power-on, hardware, or software.
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void reset(unsigned type);
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// Cleanup the devices when the simulation quits.
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void exit(void);
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#if BX_SUPPORT_SAVE_RESTORE
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void register_state(void);
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void after_restore_state(void);
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#endif
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BX_MEM_C *mem; // address space associated with these devices
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bx_bool register_io_read_handler(void *this_ptr, bx_read_handler_t f,
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Bit32u addr, const char *name, Bit8u mask);
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bx_bool unregister_io_read_handler(void *this_ptr, bx_read_handler_t f,
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Bit32u addr, Bit8u mask);
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bx_bool register_io_write_handler(void *this_ptr, bx_write_handler_t f,
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Bit32u addr, const char *name, Bit8u mask);
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bx_bool unregister_io_write_handler(void *this_ptr, bx_write_handler_t f,
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Bit32u addr, Bit8u mask );
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bx_bool register_io_read_handler_range(void *this_ptr, bx_read_handler_t f,
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Bit32u begin_addr, Bit32u end_addr,
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const char *name, Bit8u mask);
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bx_bool register_io_write_handler_range(void *this_ptr, bx_write_handler_t f,
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Bit32u begin_addr, Bit32u end_addr,
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const char *name, Bit8u mask );
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bx_bool unregister_io_read_handler_range(void *this_ptr, bx_read_handler_t f,
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Bit32u begin, Bit32u end, Bit8u mask);
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bx_bool unregister_io_write_handler_range(void *this_ptr, bx_write_handler_t f,
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Bit32u begin, Bit32u end, Bit8u mask);
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bx_bool register_default_io_read_handler(void *this_ptr, bx_read_handler_t f, const char *name, Bit8u mask);
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bx_bool register_default_io_write_handler(void *this_ptr, bx_write_handler_t f, const char *name, Bit8u mask);
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bx_bool register_irq(unsigned irq, const char *name);
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bx_bool unregister_irq(unsigned irq, const char *name);
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Bit32u inp(Bit16u addr, unsigned io_len) BX_CPP_AttrRegparmN(2);
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void outp(Bit16u addr, Bit32u value, unsigned io_len) BX_CPP_AttrRegparmN(3);
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static void timer_handler(void *);
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void timer(void);
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bx_devmodel_c *pluginBiosDevice;
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#if BX_SUPPORT_APIC
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bx_ioapic_c *ioapic;
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#endif
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bx_pci_bridge_stub_c *pluginPciBridge;
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bx_pci2isa_stub_c *pluginPci2IsaBridge;
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bx_pci_ide_stub_c *pluginPciIdeController;
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#if BX_SUPPORT_ACPI
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bx_acpi_ctrl_stub_c *pluginACPIController;
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#endif
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bx_devmodel_c *pluginPciVgaAdapter;
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bx_devmodel_c *pluginPciDevAdapter;
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bx_devmodel_c *pluginPciPNicAdapter;
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bx_pit_c *pit;
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bx_keyb_stub_c *pluginKeyboard;
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bx_dma_stub_c *pluginDmaDevice;
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bx_floppy_stub_c *pluginFloppyDevice;
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bx_cmos_stub_c *pluginCmosDevice;
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bx_serial_stub_c *pluginSerialDevice;
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#if BX_SUPPORT_PCIUSB
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bx_pci_usb_stub_c *pluginPciUSBAdapter;
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#endif
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bx_devmodel_c *pluginParallelDevice;
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bx_devmodel_c *pluginUnmapped;
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bx_vga_stub_c *pluginVgaDevice;
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bx_pic_stub_c *pluginPicDevice;
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bx_hard_drive_stub_c *pluginHardDrive;
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bx_devmodel_c *pluginSB16Device;
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bx_ne2k_stub_c *pluginNE2kDevice;
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bx_devmodel_c *pluginExtFpuIrq;
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bx_devmodel_c *pluginGameport;
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bx_speaker_stub_c *pluginSpeaker;
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#if BX_SUPPORT_BUSMOUSE
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bx_busm_stub_c *pluginBusMouse;
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|
#endif
|
|
#if BX_SUPPORT_IODEBUG
|
|
bx_iodebug_c *iodebug;
|
|
#endif
|
|
#if 0
|
|
bx_g2h_c *g2h;
|
|
#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;
|
|
#if BX_SUPPORT_BUSMOUSE
|
|
bx_busm_stub_c stubBusMouse;
|
|
#endif
|
|
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_bridge_stub_c stubPci;
|
|
bx_pci2isa_stub_c stubPci2Isa;
|
|
bx_pci_ide_stub_c stubPciIde;
|
|
bx_ne2k_stub_c stubNE2k;
|
|
bx_speaker_stub_c stubSpeaker;
|
|
bx_serial_stub_c stubSerial;
|
|
#if BX_SUPPORT_PCIUSB
|
|
bx_pci_usb_stub_c stubUsbAdapter;
|
|
#endif
|
|
#if BX_SUPPORT_ACPI
|
|
bx_acpi_ctrl_stub_c stubACPIController;
|
|
#endif
|
|
|
|
// 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.
|
|
Bit8u* 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;
|
|
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
|
|
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 ();
|
|
};
|
|
|
|
#define DEV_MEM_READ_PHYSICAL(phy_addr, len, ptr) \
|
|
BX_MEM(0)->readPhysicalPage(NULL, phy_addr, len, ptr)
|
|
#define DEV_MEM_WRITE_PHYSICAL(phy_addr, len, ptr) \
|
|
BX_MEM(0)->writePhysicalPage(NULL, phy_addr, len, ptr)
|
|
|
|
#ifndef NO_DEVICE_INCLUDES
|
|
|
|
#if BX_SUPPORT_PCI
|
|
#include "iodev/pci.h"
|
|
#include "iodev/pci2isa.h"
|
|
#include "iodev/pci_ide.h"
|
|
#if BX_SUPPORT_ACPI
|
|
#include "iodev/acpi.h"
|
|
#endif
|
|
#if BX_SUPPORT_PCIVGA
|
|
#include "iodev/pcivga.h"
|
|
#endif
|
|
#if BX_SUPPORT_PCIDEV
|
|
#include "iodev/pcidev.h"
|
|
#endif
|
|
#if BX_SUPPORT_PCIUSB
|
|
#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"
|
|
#if BX_SUPPORT_IODEBUG
|
|
# include "iodev/iodebug.h"
|
|
#endif
|
|
#include "iodev/keyboard.h"
|
|
#if BX_SUPPORT_BUSMOUSE
|
|
# include "iodev/busmouse.h"
|
|
#endif
|
|
#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/ne2k.h"
|
|
#if BX_SUPPORT_PCIPNIC
|
|
#include "iodev/pcipnic.h"
|
|
#endif
|
|
#include "iodev/guest2host.h"
|
|
#include "iodev/slowdown_timer.h"
|
|
#include "iodev/extfpuirq.h"
|
|
#include "iodev/gameport.h"
|
|
|
|
#endif /* NO_DEVICE_INCLUDES */
|
|
|
|
#if ( BX_PROVIDE_DEVICE_MODELS==1 )
|
|
BOCHSAPI extern bx_devices_c bx_devices;
|
|
#endif
|
|
|
|
#endif /* IODEV_H */
|