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DOSBox-X
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DOSBox-X
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00001 /* 00002 * Copyright (C) 2002-2020 The DOSBox Team 00003 * 00004 * This program is free software; you can redistribute it and/or modify 00005 * it under the terms of the GNU General Public License as published by 00006 * the Free Software Foundation; either version 2 of the License, or 00007 * (at your option) any later version. 00008 * 00009 * This program is distributed in the hope that it will be useful, 00010 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00012 * GNU General Public License for more details. 00013 * 00014 * You should have received a copy of the GNU General Public License along 00015 * with this program; if not, write to the Free Software Foundation, Inc., 00016 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. 00017 */ 00018 00019 #include <stdio.h> 00020 #include <stddef.h> 00021 #include <stdint.h> 00022 00023 #include "regionalloctracking.h" 00024 00025 #ifndef DOSBOX_BIOS_H 00026 #define DOSBOX_BIOS_H 00027 00028 #define BIOS_BASE_ADDRESS_COM1 0x400 00029 #define BIOS_BASE_ADDRESS_COM2 0x402 00030 #define BIOS_BASE_ADDRESS_COM3 0x404 00031 #define BIOS_BASE_ADDRESS_COM4 0x406 00032 #define BIOS_ADDRESS_LPT1 0x408 00033 #define BIOS_ADDRESS_LPT2 0x40a 00034 #define BIOS_ADDRESS_LPT3 0x40c 00035 /* 0x40e is reserved */ 00036 #define BIOS_CONFIGURATION 0x410 00037 /* 0x412 is reserved */ 00038 #define BIOS_MEMORY_SIZE 0x413 00039 #define BIOS_TRUE_MEMORY_SIZE 0x415 00040 /* #define bios_expansion_memory_size (*(unsigned int *) 0x415) */ 00041 #define BIOS_KEYBOARD_STATE 0x417 00042 #define BIOS_KEYBOARD_FLAGS1 BIOS_KEYBOARD_STATE 00043 #define BIOS_KEYBOARD_FLAGS1_RSHIFT_PRESSED (1 << 0) 00044 #define BIOS_KEYBOARD_FLAGS1_LSHIFT_PRESSED (1 << 1) 00045 #define BIOS_KEYBOARD_FLAGS1_CTRL_PRESSED (1 << 2) 00046 #define BIOS_KEYBOARD_FLAGS1_ALT_PRESSED (1 << 3) 00047 #define BIOS_KEYBOARD_FLAGS1_SCROLL_LOCK_ACTIVE (1 << 4) 00048 #define BIOS_KEYBOARD_FLAGS1_NUMLOCK_ACTIVE (1 << 5) 00049 #define BIOS_KEYBOARD_FLAGS1_CAPS_LOCK_ACTIVE (1 << 6) 00050 #define BIOS_KEYBOARD_FLAGS1_INSERT_ACTIVE (1 << 7) 00051 00052 #define BIOS_KEYBOARD_FLAGS2 0x418 00053 #define BIOS_KEYBOARD_FLAGS2_LCTRL_PRESSED (1 << 0) 00054 #define BIOS_KEYBOARD_FLAGS2_LALT_PRESSED (1 << 1) 00055 #define BIOS_KEYBOARD_FLAGS2_SYSTEMKEY_HELD (1 << 2) 00056 #define BIOS_KEYBOARD_FLAGS2_SUSPENDKEY_TOGGLED (1 << 3) 00057 #define BIOS_KEYBOARD_FLAGS2_SCROLL_LOCK_PRESSED (1 << 4) 00058 #define BIOS_KEYBOARD_FLAGS2_NUM_LOCK_PRESSED (1 << 5) 00059 #define BIOS_KEYBOARD_FLAGS2_CAPS_LOCK_PRESSED (1 << 6) 00060 #define BIOS_KEYBOARD_FLAGS2_INSERT_PRESSED (1 << 7) 00061 00062 #define BIOS_KEYBOARD_TOKEN 0x419 00063 /* used for keyboard input with Alt-Number */ 00064 #define BIOS_KEYBOARD_BUFFER_HEAD 0x41a 00065 #define BIOS_KEYBOARD_BUFFER_TAIL 0x41c 00066 #define BIOS_KEYBOARD_BUFFER 0x41e 00067 /* #define bios_keyboard_buffer (*(unsigned int *) 0x41e) */ 00068 #define BIOS_DRIVE_ACTIVE 0x43e 00069 #define BIOS_DRIVE_RUNNING 0x43f 00070 #define BIOS_DISK_MOTOR_TIMEOUT 0x440 00071 #define BIOS_DISK_STATUS 0x441 00072 /* #define bios_fdc_result_buffer (*(unsigned short *) 0x442) */ 00073 #define BIOS_VIDEO_MODE 0x449 00074 #define BIOS_SCREEN_COLUMNS 0x44a 00075 #define BIOS_VIDEO_MEMORY_USED 0x44c 00076 #define BIOS_VIDEO_MEMORY_ADDRESS 0x44e 00077 #define BIOS_VIDEO_CURSOR_POS 0x450 00078 00079 00080 #define BIOS_CURSOR_SHAPE 0x460 00081 #define BIOS_CURSOR_LAST_LINE 0x460 00082 #define BIOS_CURSOR_FIRST_LINE 0x461 00083 #define BIOS_CURRENT_SCREEN_PAGE 0x462 00084 #define BIOS_VIDEO_PORT 0x463 00085 #define BIOS_VDU_CONTROL 0x465 00086 #define BIOS_VDU_COLOR_REGISTER 0x466 00087 /* 0x467-0x468 is reserved */ 00088 #define BIOS_LAST_UNEXPECTED_IRQ 0x46b 00089 #define BIOS_TIMER 0x46c 00090 #define BIOS_24_HOURS_FLAG 0x470 00091 #define BIOS_CTRL_BREAK_FLAG 0x471 00092 #define BIOS_CTRL_ALT_DEL_FLAG 0x472 00093 #define BIOS_HARDDISK_COUNT 0x475 00094 /* 0x474, 0x476, 0x477 is reserved */ 00095 #define BIOS_LPT1_TIMEOUT 0x478 00096 #define BIOS_LPT2_TIMEOUT 0x479 00097 #define BIOS_LPT3_TIMEOUT 0x47a 00098 /* 0x47b is reserved */ 00099 #define BIOS_COM1_TIMEOUT 0x47c 00100 #define BIOS_COM2_TIMEOUT 0x47d 00101 #define BIOS_COM3_TIMEOUT 0x47e 00102 #define BIOS_COM4_TIMEOUT 0x47f 00103 /* 0x47e is reserved */ //<- why that? 00104 /* 0x47f-0x4ff is unknow for me */ 00105 #define BIOS_KEYBOARD_BUFFER_START 0x480 00106 #define BIOS_KEYBOARD_BUFFER_END 0x482 00107 00108 #define BIOS_ROWS_ON_SCREEN_MINUS_1 0x484 00109 #define BIOS_FONT_HEIGHT 0x485 00110 00111 #define BIOS_VIDEO_INFO_0 0x487 00112 #define BIOS_VIDEO_INFO_1 0x488 00113 #define BIOS_VIDEO_INFO_2 0x489 00114 #define BIOS_VIDEO_COMBO 0x48a 00115 00116 #define BIOS_KEYBOARD_FLAGS3 0x496 00117 #define BIOS_KEYBOARD_FLAGS3_HIDDEN_E1 (1 << 0) 00118 #define BIOS_KEYBOARD_FLAGS3_HIDDEN_E0 (1 << 1) 00119 #define BIOS_KEYBOARD_FLAGS3_RCTRL_PRESSED (1 << 2) 00120 #define BIOS_KEYBOARD_FLAGS3_RALT_PRESSED (1 << 3) 00121 #define BIOS_KEYBOARD_FLAGS3_ENHANCED_KEYBOARD (1 << 4) 00122 #define BIOS_KEYBOARD_FLAGS3_NUM_LOCK_FORCED (1 << 5) 00123 #define BIOS_KEYBOARD_FLAGS3_ID_CHAR_WAS_LAST (1 << 6) 00124 #define BIOS_KEYBOARD_FLAGS3_ID_READ_IN_PROCESS (1 << 7) 00125 00126 #define BIOS_KEYBOARD_LEDS 0x497 00127 #define BIOS_KEYBOARD_LEDS_SCROLL_LOCK (1 << 0) 00128 #define BIOS_KEYBOARD_LEDS_NUM_LOCK (1 << 1) 00129 #define BIOS_KEYBOARD_LEDS_CAPS_LOCK (1 << 2) 00130 #define BIOS_KEYBOARD_LEDS_CIRCUS (1 << 3) 00131 #define BIOS_KEYBOARD_LEDS_ACK (1 << 4) 00132 #define BIOS_KEYBOARD_LEDS_RESEND (1 << 5) 00133 #define BIOS_KEYBOARD_LEDS_MODE (1 << 6) 00134 #define BIOS_KEYBOARD_LEDS_TRANSMIT_ERROR (1 << 7) 00135 00136 #define BIOS_WAIT_FLAG_POINTER 0x498 00137 #define BIOS_WAIT_FLAG_COUNT 0x49c 00138 #define BIOS_WAIT_FLAG_ACTIVE 0x4a0 00139 #define BIOS_WAIT_FLAG_TEMP 0x4a1 00140 00141 00142 #define BIOS_PRINT_SCREEN_FLAG 0x500 00143 00144 #define BIOS_VIDEO_SAVEPTR 0x4a8 00145 00146 #define CURSOR_SCAN_LINE_NORMAL (0x6) 00147 #define CURSOR_SCAN_LINE_INSERT (0x4) 00148 #define CURSOR_SCAN_LINE_END (0x7) 00149 00150 //#define BIOS_DEFAULT_IRQ0_LOCATION (RealMake(0xf000,0xfea5)) 00151 //#define BIOS_DEFAULT_IRQ1_LOCATION (RealMake(0xf000,0xe987)) 00152 //#define BIOS_DEFAULT_IRQ2_LOCATION (RealMake(0xf000,0xff55)) 00153 //#define BIOS_DEFAULT_HANDLER_LOCATION (RealMake(0xf000,0xff53)) 00154 //#define BIOS_VIDEO_TABLE_LOCATION (RealMake(0xf000,0xf0a4)) 00155 //#define BIOS_DEFAULT_RESET_LOCATION (RealMake(0xf000,0xe05b)) 00156 00157 extern Bitu BIOS_DEFAULT_IRQ0_LOCATION; // (RealMake(0xf000,0xfea5)) 00158 extern Bitu BIOS_DEFAULT_IRQ1_LOCATION; // (RealMake(0xf000,0xe987)) 00159 extern Bitu BIOS_DEFAULT_IRQ2_LOCATION; // (RealMake(0xf000,0xff55)) 00160 extern Bitu BIOS_DEFAULT_HANDLER_LOCATION; // (RealMake(0xf000,0xff53)) 00161 extern Bitu BIOS_DEFAULT_INT5_LOCATION; // (RealMake(0xf000,0xff54)) 00162 extern Bitu BIOS_VIDEO_TABLE_LOCATION; // (RealMake(0xf000,0xf0a4)) 00163 extern Bitu BIOS_DEFAULT_RESET_LOCATION; // RealMake(0xf000,0xe05b) 00164 extern Bitu BIOS_VIDEO_TABLE_SIZE; 00165 00166 Bitu ROMBIOS_GetMemory(Bitu bytes,const char *who=NULL,Bitu alignment=1,Bitu must_be_at=0); 00167 00168 extern RegionAllocTracking rombios_alloc; 00169 00170 /* maximum of scancodes handled by keyboard bios routines */ 00171 #define MAX_SCAN_CODE 0x58 00172 00173 /* The Section handling Bios Disk Access */ 00174 //#define BIOS_MAX_DISK 10 00175 00176 //#define MAX_SWAPPABLE_DISKS 20 00177 00178 void BIOS_ZeroExtendedSize(bool in); 00179 00180 bool BIOS_AddKeyToBuffer(Bit16u code); 00181 00182 void INT10_ReloadRomFonts(); 00183 00184 void BIOS_SetLPTPort (Bitu port, Bit16u baseaddr); 00185 00186 // \brief Synchronizes emulator num lock state with host. 00187 void BIOS_SynchronizeNumLock(); 00188 00189 // \brief Synchronizes emulator caps lock state with host. 00190 void BIOS_SynchronizeCapsLock(); 00191 00192 // \brief Synchronizes emulator scroll lock state with host. 00193 void BIOS_SynchronizeScrollLock(); 00194 00195 bool ISAPNP_RegisterSysDev(const unsigned char *raw,Bitu len,bool already=false); 00196 00197 enum { 00198 UNHANDLED_IRQ_SIMPLE=0, 00199 UNHANDLED_IRQ_COOPERATIVE_2ND // PC-98 type IRQ 8-15 handling 00200 }; 00201 00202 extern int unhandled_irq_method; 00203 00204 class ISAPnPDevice { 00205 public: 00206 ISAPnPDevice(); 00207 virtual ~ISAPnPDevice(); 00208 public: 00209 void checksum_ident(); 00210 public: 00211 enum SmallTags { 00212 PlugAndPlayVersionNumber = 0x1, 00213 LogicalDeviceID = 0x2, 00214 CompatibleDeviceID = 0x3, 00215 IRQFormat = 0x4, 00216 DMAFormat = 0x5, 00217 StartDependentFunctions = 0x6, 00218 EndDependentFunctions = 0x7, 00219 IOPortDescriptor = 0x8, 00220 FixedLocationIOPortDescriptor = 0x9, 00221 SmallVendorDefined = 0xE, 00222 EndTag = 0xF 00223 }; 00224 enum LargeTags { 00225 MemoryRangeDescriptor = 0x1, 00226 IdentifierStringANSI = 0x2, 00227 IdentifierStringUNICODE = 0x3, 00228 LargeVendorDefined = 0x4, 00229 MemoryRange32Descriptor = 0x5, 00230 FixedLocationMemoryRangeDescriptor = 0x6 00231 }; 00232 // StartDependentFunction config 00233 enum DependentFunctionConfig { 00234 PreferredDependentConfiguration = 0x0, 00235 AcceptableDependentConfiguration = 0x1, 00236 SubOptimalDependentConfiguration = 0x2 00237 }; 00238 // IRQ format, signal types (bitfield) 00239 enum { 00240 IRQFormatInfo_HighTrueEdgeSensitive = 0x1, 00241 IRQFormatInfo_LowTrueEdgeSensitive = 0x2, 00242 IRQFormatInfo_HighTrueLevelSensitive = 0x4, 00243 IRQFormatInfo_LowTrueLevelSensitive = 0x8 00244 }; 00245 // IRQ format, helper IRQ mask generator 00246 static inline uint16_t irq2mask(const int IRQ) { 00247 if (IRQ < 0 || IRQ > 15) return 0; 00248 return (uint16_t)(1U << (unsigned char)IRQ); 00249 } 00250 static inline uint16_t irq2mask(const int a,const int b) { 00251 return irq2mask(a) | irq2mask(b); 00252 } 00253 static inline uint16_t irq2mask(const int a,const int b,const int c) { 00254 return irq2mask(a) | irq2mask(b) | irq2mask(c); 00255 } 00256 static inline uint16_t irq2mask(const int a,const int b,const int c,const int d) { 00257 return irq2mask(a) | irq2mask(b) | irq2mask(c) | irq2mask(d); 00258 } 00259 static inline uint16_t irq2mask(const int a,const int b,const int c,const int d,const int e) { 00260 return irq2mask(a) | irq2mask(b) | irq2mask(c) | irq2mask(d) | irq2mask(e); 00261 } 00262 // DMA format transfer type 00263 enum { 00264 DMATransferType_8bitOnly=0, 00265 DMATransferType_8_and_16bit=1, 00266 DMATransferType_16bitOnly=2 00267 }; 00268 enum { 00269 DMASpeedSupported_Compat=0, 00270 DMASpeedSupported_TypeA=1, 00271 DMASpeedSupported_TypeB=2, 00272 DMASpeedSupported_TypeF=3 00273 }; 00274 // DMA format 00275 static inline uint16_t dma2mask(const int DMA) { 00276 if (DMA < 0 || DMA > 7 || DMA == 4) return 0; 00277 return (uint16_t)(1U << (unsigned char)DMA); 00278 } 00279 static inline uint16_t dma2mask(const int a,const int b) { 00280 return dma2mask(a) | dma2mask(b); 00281 } 00282 static inline uint16_t dma2mask(const int a,const int b,const int c) { 00283 return dma2mask(a) | dma2mask(b) | dma2mask(c); 00284 } 00285 static inline uint16_t dma2mask(const int a,const int b,const int c,const int d) { 00286 return dma2mask(a) | dma2mask(b) | dma2mask(c) | dma2mask(d); 00287 } 00288 static inline uint16_t dma2mask(const int a,const int b,const int c,const int d,const int e) { 00289 return dma2mask(a) | dma2mask(b) | dma2mask(c) | dma2mask(d) | dma2mask(e); 00290 } 00291 public: 00292 virtual void config(Bitu val); 00293 virtual void wakecsn(Bitu val); 00294 virtual void select_logical_device(Bitu val); 00295 virtual void on_pnp_key(); 00296 /* ISA PnP I/O data read/write */ 00297 virtual uint8_t read(Bitu addr); 00298 virtual void write(Bitu addr,Bitu val); 00299 virtual bool alloc(size_t sz); 00300 void write_begin_SMALLTAG(const ISAPnPDevice::SmallTags stag,unsigned char len); 00301 void write_begin_LARGETAG(const ISAPnPDevice::LargeTags stag,unsigned int len); 00302 void write_nstring(const char *str,const size_t l); 00303 void write_byte(const unsigned char c); 00304 void begin_write_res(); 00305 void end_write_res(); 00306 void write_END(); 00307 void write_ISAPnP_version(unsigned char major,unsigned char minor,unsigned char vendor); 00308 void write_Identifier_String(const char *str); 00309 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); 00310 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); 00311 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); 00312 void write_Dependent_Function_Start(const ISAPnPDevice::DependentFunctionConfig cfg,const bool force=false); 00313 void write_IRQ_Format(const uint16_t IRQ_mask,const unsigned char IRQ_signal_type=0); 00314 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); 00315 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); 00316 void write_End_Dependent_Functions(); 00317 public: 00318 unsigned char CSN = 0; 00319 unsigned char logical_device = 0; 00320 unsigned char ident[9]; /* 72-bit vendor + serial + checksum identity */ 00321 unsigned char ident_bp = 0; /* bit position of identity read */ 00322 unsigned char ident_2nd = 0; 00323 unsigned char resource_ident = 0; 00324 unsigned char* resource_data = NULL; 00325 size_t resource_data_len = 0; 00326 unsigned int resource_data_pos = 0; 00327 size_t alloc_write = 0; 00328 unsigned char* alloc_res = NULL; 00329 size_t alloc_sz = 0; 00330 }; 00331 00332 /* abc = ASCII letters of the alphabet 00333 * defg = hexadecimal digits */ 00334 #define ISAPNP_ID(a,b,c,d,e,f,g) \ 00335 (((a)&0x1F) << 2) | \ 00336 (((b)&0x1F) >> 3) | \ 00337 ((((b)&0x1F)&7) << 13) | \ 00338 (((c)&0x1F) << 8) | \ 00339 (((d)&0x1F) << 20) | \ 00340 (((e)&0x1F) << 16) | \ 00341 (((f)&0x1F) << 28) | \ 00342 (((g)&0x1F) << 24) 00343 00344 #define ISAPNP_TYPE(a,b,c) (a),(b),(c) 00345 #define ISAPNP_SMALL_TAG(t,l) (((t) << 3) | (l)) 00346 00347 #define ISAPNP_SYSDEV_HEADER(id,type,ctrl) \ 00348 ( (id) & 0xFF), \ 00349 (((id) >> 8) & 0xFF), \ 00350 (((id) >> 16) & 0xFF), \ 00351 (((id) >> 24) & 0xFF), \ 00352 type, \ 00353 ( (ctrl) & 0xFF), \ 00354 (((ctrl) >> 8) & 0xFF) 00355 00356 #define ISAPNP_IO_RANGE(info,min,max,align,len) \ 00357 ISAPNP_SMALL_TAG(8,7), \ 00358 (info), \ 00359 ((min) & 0xFF), (((min) >> 8) & 0xFF), \ 00360 ((max) & 0xFF), (((max) >> 8) & 0xFF), \ 00361 (align), \ 00362 (len) 00363 00364 #define ISAPNP_IRQ_SINGLE(irq,flags) \ 00365 ISAPNP_SMALL_TAG(4,3), \ 00366 ((1 << (irq)) & 0xFF), \ 00367 (((1 << (irq)) >> 8) & 0xFF), \ 00368 (flags) 00369 00370 #define ISAPNP_IRQ(irqmask,flags) \ 00371 ISAPNP_SMALL_TAG(4,3), \ 00372 ((irqmask) & 0xFF), \ 00373 (((irqmask) >> 8) & 0xFF), \ 00374 (flags) 00375 00376 #define ISAPNP_DMA_SINGLE(dma,flags) \ 00377 ISAPNP_SMALL_TAG(5,2), \ 00378 ((1 << (dma)) & 0xFF), \ 00379 (flags) 00380 00381 #define ISAPNP_DMA(dma,flags) \ 00382 ISAPNP_SMALL_TAG(5,2), \ 00383 ((dma) & 0xFF), \ 00384 (flags) 00385 00386 #define ISAPNP_END \ 00387 ISAPNP_SMALL_TAG(0xF,1), 0x00 00388 00389 void ISA_PNP_devreg(ISAPnPDevice *x); 00390 #endif
1.8.0
