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Diffstat (limited to 'tools/ioemu/iodev/iodev.h')
| -rw-r--r-- | tools/ioemu/iodev/iodev.h | 422 |
1 files changed, 422 insertions, 0 deletions
diff --git a/tools/ioemu/iodev/iodev.h b/tools/ioemu/iodev/iodev.h new file mode 100644 index 0000000000..3057f6c334 --- /dev/null +++ b/tools/ioemu/iodev/iodev.h @@ -0,0 +1,422 @@ +///////////////////////////////////////////////////////////////////////// +// $Id: iodev.h,v 1.37 2003/08/04 16:03:09 akrisak 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, 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 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, 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 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 *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; + bx_devmodel_c *pluginGameport; +#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 + Bit8u mask; // io_len mask + } 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 + Bit8u mask; // io_len mask + } 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" +#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" +#include "iodev/gameport.h" |