/* * Copyright (C) 2002-2021 The DOSBox Team * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 General Public License for more details. * * You should have received a copy of the GNU General Public License along * with this program; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. */ #include "regionalloctracking.h" #ifndef DOSBOX_BIOS_H #define DOSBOX_BIOS_H #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_TRUE_MEMORY_SIZE 0x415 /* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */ #define BIOS_KEYBOARD_STATE 0x417 #define BIOS_KEYBOARD_FLAGS1 BIOS_KEYBOARD_STATE #define BIOS_KEYBOARD_FLAGS1_RSHIFT_PRESSED (1 << 0) #define BIOS_KEYBOARD_FLAGS1_LSHIFT_PRESSED (1 << 1) #define BIOS_KEYBOARD_FLAGS1_CTRL_PRESSED (1 << 2) #define BIOS_KEYBOARD_FLAGS1_ALT_PRESSED (1 << 3) #define BIOS_KEYBOARD_FLAGS1_SCROLL_LOCK_ACTIVE (1 << 4) #define BIOS_KEYBOARD_FLAGS1_NUMLOCK_ACTIVE (1 << 5) #define BIOS_KEYBOARD_FLAGS1_CAPS_LOCK_ACTIVE (1 << 6) #define BIOS_KEYBOARD_FLAGS1_INSERT_ACTIVE (1 << 7) #define BIOS_KEYBOARD_FLAGS2 0x418 #define BIOS_KEYBOARD_FLAGS2_LCTRL_PRESSED (1 << 0) #define BIOS_KEYBOARD_FLAGS2_LALT_PRESSED (1 << 1) #define BIOS_KEYBOARD_FLAGS2_SYSTEMKEY_HELD (1 << 2) #define BIOS_KEYBOARD_FLAGS2_SUSPENDKEY_TOGGLED (1 << 3) #define BIOS_KEYBOARD_FLAGS2_SCROLL_LOCK_PRESSED (1 << 4) #define BIOS_KEYBOARD_FLAGS2_NUM_LOCK_PRESSED (1 << 5) #define BIOS_KEYBOARD_FLAGS2_CAPS_LOCK_PRESSED (1 << 6) #define BIOS_KEYBOARD_FLAGS2_INSERT_PRESSED (1 << 7) #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_DISK_MOTOR_TIMEOUT 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 BIOS_VIDEO_CURSOR_POS 0x450 #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_LAST_UNEXPECTED_IRQ 0x46b #define BIOS_TIMER 0x46c #define BIOS_24_HOURS_FLAG 0x470 #define BIOS_CTRL_BREAK_FLAG 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 #define BIOS_COM3_TIMEOUT 0x47e #define BIOS_COM4_TIMEOUT 0x47f /* 0x47e is reserved */ //<- why that? /* 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_FLAGS3_HIDDEN_E1 (1 << 0) #define BIOS_KEYBOARD_FLAGS3_HIDDEN_E0 (1 << 1) #define BIOS_KEYBOARD_FLAGS3_RCTRL_PRESSED (1 << 2) #define BIOS_KEYBOARD_FLAGS3_RALT_PRESSED (1 << 3) #define BIOS_KEYBOARD_FLAGS3_ENHANCED_KEYBOARD (1 << 4) #define BIOS_KEYBOARD_FLAGS3_NUM_LOCK_FORCED (1 << 5) #define BIOS_KEYBOARD_FLAGS3_ID_CHAR_WAS_LAST (1 << 6) #define BIOS_KEYBOARD_FLAGS3_ID_READ_IN_PROCESS (1 << 7) #define BIOS_KEYBOARD_LEDS 0x497 #define BIOS_KEYBOARD_LEDS_SCROLL_LOCK (1 << 0) #define BIOS_KEYBOARD_LEDS_NUM_LOCK (1 << 1) #define BIOS_KEYBOARD_LEDS_CAPS_LOCK (1 << 2) #define BIOS_KEYBOARD_LEDS_CIRCUS (1 << 3) #define BIOS_KEYBOARD_LEDS_ACK (1 << 4) #define BIOS_KEYBOARD_LEDS_RESEND (1 << 5) #define BIOS_KEYBOARD_LEDS_MODE (1 << 6) #define BIOS_KEYBOARD_LEDS_TRANSMIT_ERROR (1 << 7) #define BIOS_WAIT_FLAG_POINTER 0x498 #define BIOS_WAIT_FLAG_COUNT 0x49c #define BIOS_WAIT_FLAG_ACTIVE 0x4a0 #define BIOS_WAIT_FLAG_TEMP 0x4a1 #define BIOS_PRINT_SCREEN_FLAG 0x500 #define BIOS_VIDEO_SAVEPTR 0x4a8 #define CURSOR_SCAN_LINE_NORMAL (0x6) #define CURSOR_SCAN_LINE_INSERT (0x4) #define CURSOR_SCAN_LINE_END (0x7) //#define BIOS_DEFAULT_IRQ0_LOCATION (RealMake(0xf000,0xfea5)) //#define BIOS_DEFAULT_IRQ1_LOCATION (RealMake(0xf000,0xe987)) //#define BIOS_DEFAULT_IRQ2_LOCATION (RealMake(0xf000,0xff55)) //#define BIOS_DEFAULT_HANDLER_LOCATION (RealMake(0xf000,0xff53)) //#define BIOS_VIDEO_TABLE_LOCATION (RealMake(0xf000,0xf0a4)) //#define BIOS_DEFAULT_RESET_LOCATION (RealMake(0xf000,0xe05b)) extern Bitu BIOS_DEFAULT_IRQ0_LOCATION; // (RealMake(0xf000,0xfea5)) extern Bitu BIOS_DEFAULT_IRQ1_LOCATION; // (RealMake(0xf000,0xe987)) extern Bitu BIOS_DEFAULT_IRQ2_LOCATION; // (RealMake(0xf000,0xff55)) extern Bitu BIOS_DEFAULT_HANDLER_LOCATION; // (RealMake(0xf000,0xff53)) extern Bitu BIOS_DEFAULT_INT5_LOCATION; // (RealMake(0xf000,0xff54)) extern Bitu BIOS_VIDEO_TABLE_LOCATION; // (RealMake(0xf000,0xf0a4)) extern Bitu BIOS_DEFAULT_RESET_LOCATION; // RealMake(0xf000,0xe05b) extern Bitu BIOS_VIDEO_TABLE_SIZE; Bitu ROMBIOS_GetMemory(Bitu bytes,const char *who=NULL,Bitu alignment=1,Bitu must_be_at=0); extern RegionAllocTracking rombios_alloc; /* maximum of scancodes handled by keyboard bios routines */ #define MAX_SCAN_CODE 0x93 /* The Section handling Bios Disk Access */ //#define BIOS_MAX_DISK 10 //#define MAX_SWAPPABLE_DISKS 20 void BIOS_ZeroExtendedSize(bool in); bool BIOS_AddKeyToBuffer(uint16_t code); void INT10_ReloadRomFonts(); void BIOS_SetLPTPort (Bitu port, uint16_t baseaddr); // \brief Synchronizes emulator num lock state with host. void BIOS_SynchronizeNumLock(); // \brief Synchronizes emulator caps lock state with host. void BIOS_SynchronizeCapsLock(); // \brief Synchronizes emulator scroll lock state with host. void BIOS_SynchronizeScrollLock(); bool ISAPNP_RegisterSysDev(const unsigned char *raw,Bitu len,bool already=false); enum { UNHANDLED_IRQ_SIMPLE=0, UNHANDLED_IRQ_COOPERATIVE_2ND // PC-98 type IRQ 8-15 handling }; extern int unhandled_irq_method; class ISAPnPDevice { public: ISAPnPDevice(); virtual ~ISAPnPDevice(); public: void checksum_ident(); public: enum SmallTags { PlugAndPlayVersionNumber = 0x1, LogicalDeviceID = 0x2, CompatibleDeviceID = 0x3, IRQFormat = 0x4, DMAFormat = 0x5, StartDependentFunctions = 0x6, EndDependentFunctions = 0x7, IOPortDescriptor = 0x8, FixedLocationIOPortDescriptor = 0x9, SmallVendorDefined = 0xE, EndTag = 0xF }; enum LargeTags { MemoryRangeDescriptor = 0x1, IdentifierStringANSI = 0x2, IdentifierStringUNICODE = 0x3, LargeVendorDefined = 0x4, MemoryRange32Descriptor = 0x5, FixedLocationMemoryRangeDescriptor = 0x6 }; // StartDependentFunction config enum DependentFunctionConfig { PreferredDependentConfiguration = 0x0, AcceptableDependentConfiguration = 0x1, SubOptimalDependentConfiguration = 0x2 }; // IRQ format, signal types (bitfield) enum { IRQFormatInfo_HighTrueEdgeSensitive = 0x1, IRQFormatInfo_LowTrueEdgeSensitive = 0x2, IRQFormatInfo_HighTrueLevelSensitive = 0x4, IRQFormatInfo_LowTrueLevelSensitive = 0x8 }; // IRQ format, helper IRQ mask generator static inline uint16_t irq2mask(const int IRQ) { if (IRQ < 0 || IRQ > 15) return 0; return (uint16_t)(1U << (unsigned char)IRQ); } static inline uint16_t irq2mask(const int a,const int b) { return irq2mask(a) | irq2mask(b); } static inline uint16_t irq2mask(const int a,const int b,const int c) { return irq2mask(a) | irq2mask(b) | irq2mask(c); } static inline uint16_t irq2mask(const int a,const int b,const int c,const int d) { return irq2mask(a) | irq2mask(b) | irq2mask(c) | irq2mask(d); } static inline uint16_t irq2mask(const int a,const int b,const int c,const int d,const int e) { return irq2mask(a) | irq2mask(b) | irq2mask(c) | irq2mask(d) | irq2mask(e); } // DMA format transfer type enum { DMATransferType_8bitOnly=0, DMATransferType_8_and_16bit=1, DMATransferType_16bitOnly=2 }; enum { DMASpeedSupported_Compat=0, DMASpeedSupported_TypeA=1, DMASpeedSupported_TypeB=2, DMASpeedSupported_TypeF=3 }; // DMA format static inline uint16_t dma2mask(const int DMA) { if (DMA < 0 || DMA > 7 || DMA == 4) return 0; return (uint16_t)(1U << (unsigned char)DMA); } static inline uint16_t dma2mask(const int a,const int b) { return dma2mask(a) | dma2mask(b); } static inline uint16_t dma2mask(const int a,const int b,const int c) { return dma2mask(a) | dma2mask(b) | dma2mask(c); } static inline uint16_t dma2mask(const int a,const int b,const int c,const int d) { return dma2mask(a) | dma2mask(b) | dma2mask(c) | dma2mask(d); } static inline uint16_t dma2mask(const int a,const int b,const int c,const int d,const int e) { return dma2mask(a) | dma2mask(b) | dma2mask(c) | dma2mask(d) | dma2mask(e); } public: virtual void config(Bitu val); virtual void wakecsn(Bitu val); virtual void select_logical_device(Bitu val); virtual void on_pnp_key(); /* ISA PnP I/O data read/write */ virtual uint8_t read(Bitu addr); virtual void write(Bitu addr,Bitu val); virtual bool alloc(size_t sz); void write_begin_SMALLTAG(const ISAPnPDevice::SmallTags stag,unsigned char len); void write_begin_LARGETAG(const ISAPnPDevice::LargeTags stag,unsigned int len); void write_nstring(const char *str,const size_t l); void write_byte(const unsigned char c); void begin_write_res(); void end_write_res(); void write_END(); void write_ISAPnP_version(unsigned char major,unsigned char minor,unsigned char vendor); void write_Identifier_String(const char *str); void write_Logical_Device_ID(const char c1,const char c2,const char c3,const char c4,const char c5,const char c6,const char c7); void write_Compatible_Device_ID(const char c1,const char c2,const char c3,const char c4,const char c5,const char c6,const char c7); void write_Device_ID(const char c1,const char c2,const char c3,const char c4,const char c5,const char c6,const char c7); void write_Dependent_Function_Start(const ISAPnPDevice::DependentFunctionConfig cfg,const bool force=false); void write_IRQ_Format(const uint16_t IRQ_mask,const unsigned char IRQ_signal_type=0); void write_DMA_Format(const uint8_t DMA_mask,const unsigned char transfer_type_preference,const bool is_bus_master,const bool byte_mode,const bool word_mode,const unsigned char speed_supported); void write_IO_Port(const uint16_t min_port,const uint16_t max_port,const uint8_t count,const uint8_t alignment=1,const bool full16bitdecode=true); void write_End_Dependent_Functions(); public: unsigned char CSN = 0; unsigned char logical_device = 0; unsigned char ident[9]; /* 72-bit vendor + serial + checksum identity */ unsigned char ident_bp = 0; /* bit position of identity read */ unsigned char ident_2nd = 0; unsigned char resource_ident = 0; unsigned char* resource_data = NULL; size_t resource_data_len = 0; unsigned int resource_data_pos = 0; size_t alloc_write = 0; unsigned char* alloc_res = NULL; size_t alloc_sz = 0; }; /* abc = ASCII letters of the alphabet * defg = hexadecimal digits */ #define ISAPNP_ID(a,b,c,d,e,f,g) \ (((a)&0x1F) << 2) | \ (((b)&0x1F) >> 3) | \ ((((b)&0x1F)&7) << 13) | \ (((c)&0x1F) << 8) | \ (((d)&0x1F) << 20) | \ (((e)&0x1F) << 16) | \ (((f)&0x1F) << 28) | \ (((g)&0x1F) << 24) #define ISAPNP_TYPE(a,b,c) (a),(b),(c) #define ISAPNP_SMALL_TAG(t,l) (((t) << 3) | (l)) #define ISAPNP_SYSDEV_HEADER(id,type,ctrl) \ ( (id) & 0xFF), \ (((id) >> 8) & 0xFF), \ (((id) >> 16) & 0xFF), \ (((id) >> 24) & 0xFF), \ type, \ ( (ctrl) & 0xFF), \ (((ctrl) >> 8) & 0xFF) #define ISAPNP_IO_RANGE(info,min,max,align,len) \ ISAPNP_SMALL_TAG(8,7), \ (info), \ ((min) & 0xFF), (((min) >> 8) & 0xFF), \ ((max) & 0xFF), (((max) >> 8) & 0xFF), \ (align), \ (len) #define ISAPNP_IRQ_SINGLE(irq,flags) \ ISAPNP_SMALL_TAG(4,3), \ ((1 << (irq)) & 0xFF), \ (((1 << (irq)) >> 8) & 0xFF), \ (flags) #define ISAPNP_IRQ(irqmask,flags) \ ISAPNP_SMALL_TAG(4,3), \ ((irqmask) & 0xFF), \ (((irqmask) >> 8) & 0xFF), \ (flags) #define ISAPNP_DMA_SINGLE(dma,flags) \ ISAPNP_SMALL_TAG(5,2), \ ((1 << (dma)) & 0xFF), \ (flags) #define ISAPNP_DMA(dma,flags) \ ISAPNP_SMALL_TAG(5,2), \ ((dma) & 0xFF), \ (flags) #define ISAPNP_END \ ISAPNP_SMALL_TAG(0xF,1), 0x00 void ISA_PNP_devreg(ISAPnPDevice *x); #endif