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/*
* 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 /* uint16_t */
#define BIOS_BASE_ADDRESS_COM2 0x402 /* uint16_t */
#define BIOS_BASE_ADDRESS_COM3 0x404 /* uint16_t */
#define BIOS_BASE_ADDRESS_COM4 0x406 /* uint16_t */
#define BIOS_ADDRESS_LPT1 0x408 /* uint16_t */
#define BIOS_ADDRESS_LPT2 0x40a /* uint16_t */
#define BIOS_ADDRESS_LPT3 0x40c /* uint16_t */
#define BIOS_ADDRESS_LPT4 0x40e /* uint16_t (older systems) */
#define BIOS_EXTENDED_BIOS_DATA_SEGMENT 0x40e /* uint16_t (newer systems since PS/2) */
#define BIOS_CONFIGURATION 0x410 /* uint16_t */
/* [15:14] = number of LPT devices
* [13:12] = reserved
* [11: 9] = number of serial devices
* [ 8: 8] = reserved
* [ 7: 6] = number of floppy drives minus 1
* [ 5: 4] = initial video mode
* 00b = EGA,VGA,etc
* 01b = 40x25 color text
* 10b = 80x25 color text
* 11b = 80x25 monochrome
*/
/* 0x412 is reserved (POST flag?) */
#define BIOS_MEMORY_SIZE 0x413 /* uint16_t, in KB, conventional memory */
#define BIOS_TRUE_MEMORY_SIZE 0x415 /* uint16_t, in KB, conventional memory (XT) */
/* 0x415 is reserved (AT error code?) */
#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) /* pause active */
#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 /* Alt+Numpad work area */
#define BIOS_KEYBOARD_BUFFER_HEAD 0x41a /* uint16_t */
#define BIOS_KEYBOARD_BUFFER_TAIL 0x41c /* uint16_t */
#define BIOS_KEYBOARD_BUFFER 0x41e /* uint16_t[16] */
#define BIOS_DRIVE_ACTIVE 0x43e /* Floppy calibration status */
#define BIOS_DRIVE_RUNNING 0x43f /* Floppy motor status */
#define BIOS_DISK_MOTOR_TIMEOUT 0x440 /* Floppy motor timeout */
#define BIOS_DISK_STATUS 0x441 /* Floppy drive status */
#define BIOS_FLOPPY_CONTROLLER_STAT_CMD_REGS 0x442 /* uint8_t[7] status/command bytes */
#define BIOS_VIDEO_MODE 0x449 /* Current INT 10h mode */
#define BIOS_SCREEN_COLUMNS 0x44a /* uint16_t */
#define BIOS_VIDEO_MEMORY_USED 0x44c /* uint16_t */
#define BIOS_VIDEO_MEMORY_ADDRESS 0x44e /* uint16_t */
#define BIOS_VIDEO_CURSOR_POS 0x450 /* struct { uint8_t col, row } pos[8] */
#define BIOS_CURSOR_SHAPE 0x460 /* uint16_t */
#define BIOS_CURSOR_LAST_LINE 0x460 /* lower uint8_t */
#define BIOS_CURSOR_FIRST_LINE 0x461 /* upper uint8_t */
#define BIOS_CURRENT_SCREEN_PAGE 0x462 /* uint8_t */
#define BIOS_VIDEO_PORT 0x463 /* uint16_t */
#define BIOS_VDU_CONTROL 0x465 /* CGA port 3D8h/MDA port 3B8h */
#define BIOS_VDU_COLOR_REGISTER 0x466 /* CGA port 3D9h */
#define BIOS_POST_RESET_VECTOR 0x467 /* uint32_t FAR 16:16 address to jump to after specific 286 reset */
#define BIOS_LAST_UNEXPECTED_IRQ 0x46b
#define BIOS_TIMER 0x46c /* uint32_t Timer ticks (at 18.2Hz) since midnight */
#define BIOS_24_HOURS_FLAG 0x470 /* nonzero if timer tick rollover past midnight */
#define BIOS_CTRL_BREAK_FLAG 0x471 /* CTRL+Break flag (bit 7=1) */
#define BIOS_CTRL_ALT_DEL_FLAG 0x472 /* uint16_t POST reset flag 1234h=warm boot */
#define BIOS_FIXED_DISK_LAST_OP_STATUS 0x474
#define BIOS_HARDDISK_COUNT 0x475
#define BIOS_FIXED_DISK_CONTROL_BYTE 0x476 /* XT only */
#define BIOS_FIXED_DISK_IO_PORT_OFFSET 0x477 /* XT only */
#define BIOS_LPT1_TIMEOUT 0x478
#define BIOS_LPT2_TIMEOUT 0x479
#define BIOS_LPT3_TIMEOUT 0x47a
#define BIOS_LPT4_TIMEOUT 0x47b
#define BIOS_VIRTUAL_DMA_SUPPORT 0x47b /* set bit 5 to signal, see INT 4Bh */
#define BIOS_VIRTUAL_DMA_IS_SUPPORTED (1 << 5)
#define BIOS_COM1_TIMEOUT 0x47c
#define BIOS_COM2_TIMEOUT 0x47d
#define BIOS_COM3_TIMEOUT 0x47e
#define BIOS_COM4_TIMEOUT 0x47f
#define BIOS_KEYBOARD_BUFFER_START 0x480 /* uint16_t */
#define BIOS_KEYBOARD_BUFFER_END 0x482 /* uint16_t */
#define BIOS_ROWS_ON_SCREEN_MINUS_1 0x484
#define BIOS_FONT_HEIGHT 0x485 /* uint16_t */
#define BIOS_VIDEO_INFO_0 0x487 /* EGA/VGA control */
#define BIOS_VIDEO_INFO_1 0x488 /* EGA/VGA switches */
#define BIOS_VIDEO_INFO_2 0x489 /* MCGA/VGA control */
#define BIOS_VIDEO_COMBO 0x48a /* MCGA/VGA Display Combination Code */
#define BIOS_KEYBOARD_PCJR_FLAG2 0x488 /* KB_FLAG_2 (PCjr) */
#define BIOS_KEYBOARD_PCJR_FLAG2_PUTCHAR (1 << 0)
#define BIOS_KEYBOARD_PCJR_FLAG2_INIT_DELAY (1 << 1)
#define BIOS_KEYBOARD_PCJR_FLAG2_HALF_RATE (1 << 2)
#define BIOS_KEYBOARD_PCJR_FLAG2_TYPE_OFF (1 << 3)
#define BIOS_KEYBOARD_PCJR_FLAG2_FN_LOCK (1 << 4)
#define BIOS_KEYBOARD_PCJR_FLAG2_FN_PENDING (1 << 5)
#define BIOS_KEYBOARD_PCJR_FLAG2_FN_BREAK (1 << 6)
#define BIOS_KEYBOARD_PCJR_FLAG2_FN_FLAG (1 << 7)
#define BIOS_FLOPPY_MEDIA_CONTROL 0x48b
#define BIOS_FIXED_DISK_CTRL_STATUS 0x48c
#define BIOS_FIXED_DISK_CTRL_ERROR 0x48d
#define BIOS_FIXED_DISK_INT_CTRL 0x48e
#define BIOS_FLOPPY_CONTROLLER_INFORMATION 0x48f
#define BIOS_FLOPPY_DRIVE_0_MEDIA_STATE 0x490
#define BIOS_FLOPPY_DRIVE_1_MEDIA_STATE 0x491
#define BIOS_FLOPPY_DRIVE_0_MEDIA_STATE_AT_START 0x492
#define BIOS_FLOPPY_DRIVE_1_MEDIA_STATE_AT_START 0x493
#define BIOS_FLOPPY_DRIVE_0_CURRENT_TRACK 0x494
#define BIOS_FLOPPP_DRIVE_1_CURRENT_TRACK 0x495
#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 /* uint32_t FAR 16:16 */
#define BIOS_WAIT_FLAG_COUNT 0x49c /* uint32_t */
#define BIOS_WAIT_FLAG_ACTIVE 0x4a0
#define BIOS_WAIT_FLAG_TEMP 0x4a1
#define BIOS_LAN_BYTES 0x4a1 /* uint8_t[7] */
#define BIOS_VIDEO_SAVEPTR 0x4a8 /* uint32_t FAR 16:16 */
#define BIOS_PRINT_SCREEN_FLAG 0x500
#define CURSOR_SCAN_LINE_NORMAL (0x6)
#define CURSOR_SCAN_LINE_INSERT (0x4)
#define CURSOR_SCAN_LINE_END (0x7)
// NEC PC-98 BIOS data area
#define BIOS98_FLAG2 0x400 /* bit 7: 1=RAM drive function present [6:0]=a lot of other various stuff */
#define BIOS98_EXTMEM_286 0x401 /* extended memory between 0x100000-0xFFFFFF in 128KB units (286+ BIOS) */
#define BIOS98_SYS_SEL 0x402 /* SHIFT/CTRL/GRPH held down, [3:0] = hard disk boot partition selector (Hires) */
/* 0x403 ITF ROM work area */
#define BIOS98_286_RESET_VECTOR 0x404 /* uint32_t FAR 16:16, sets SS:SP to this value and RETF */
/* 0x408-0x40F various */
#define BIOS98_KB_SHIFT_CODE_HIRES 0x408 /* Hi-res shift key redefinition table */
#define BIOS98_KB_BUFFER_ADR 0x410 /* uint32_t FAR 16:16 keyboard buffer address (hires) */
#define BIOS98_KB_ENTRY_TBL_ADR 0x414 /* uint32_t FAR 16:16 key data conversion table (hires) */
#define BIOS98_KB_INT_ADR 0x418 /* uint32_t FAR 16:16 keyboard interrupt table (hires) */
#define BIOS98_PR_TIME 0x41C /* uint16_t printer timeout in 10ms units */
/* 0x41E-0x447 various */
#define BIOS98_CAL_BEEP_TIME 0x448 /* uint16_t BEEP duration counter (hires) */
#define BIOS98_CAL_TONE 0x44A /* uint16_t BEEP tone (8253A counter value) */
#define BIOS98_CAL_USER_OFFSEG 0x44C /* uint32_t FAR 16:16 single-event timer timeout callback (hires) */
#define BIOS98_CRT_FONT 0x450 /* uint8_t[2] (port A1h,port A3h) value to output to CG (hires) */
#define BIOS98_RT_P1 0x452 /* (hires) cursor display, text scanline height */
#define BIOS98_RT_P2 0x453 /* (hires) cursor blink, top of cursor */
#define BIOS98_RT_P3 0x454 /* (hires) cursor blink, bottom of cursor */
/* 0x455-0x456 various */
#define BIOS98_IDE_HDD_CAPACITY 0x457 /* bit 7=1st IDE 512/256 byte/sect bit 6=2nd IDE 512/256 byte/sec bit 5-3=1st IDE capacity 2-0=2nd IDE capacity 0x00=Does not support IDE 0x3F=supports IDE but no drives */
#define BIOS98_MODEL_ID 0x458 /* bits that identify various models */
#define BIOS98_CRT_EXT_STS 0x459 /* [7:6]=ext attr mode [5:4]=various [3]=hires interlace [2:1]=various [0]=640x480 if set, 640x400 if not */
#define BIOS98_BIOS_FLAG6 0x45A /* either [7:0]=CPU clock or [7:4]=CPU type [3:0]=CPU clock */
#define BIOS98_BIOS_FLAG7 0x45B /* time stamper and port 5Fh wait among other various things */
/* 0x45C-0x45F various */
#define BIOS98_SCSI_PARAMETER_TABLE 0x460 /* struct { uint8_t various[4]; } scsidev[8]; */
#define BIOS98_BIOS_FLAG1 0x480 /* [7]=SASI/IDE new sense [6]=EGC supported [5:0]=various */
#define BIOS98_BIOS_FLAG3 0x481 /* [6,3]=keyboard ID [5]=EMS page frame B0000h [4]=B0000h status (VRAM/EMS) various */
#define BIOS98_DISK_EQUIPS 0x482 /* [7:0]=SCSI #7-SCSI #0 (matches bit) HDD connected or not */
#define BIOS98_SCSI_STATUS 0x483
#define BIOS98_BIOS_FLAG4 0x484 /* [7:6]=HDD DMA channel [5]=builtin SCSI [4]=builtin SASI [3:0]=CPU speed */
#define BIOS98_DISK_MOTOR_STOP_COUNTER 0x485 /* in 100ms units */
#define BIOS98_CPU386 0x486 /* uint16_t DX value after CPU reset, 386 or higher */
#define BIOS98_RDISK_EQUIP 0x488 /* [7:4]=640KB FD unit 3,2,1,0 [3:0]=1MB FD unit 3,2,1,0 is/isn't RAM drive */
#define BIOS98_RDISK_WORK_JMP 0x489 /* uint8_t[5] JMP FAR instruction to BIOS */
#define BIOS98_RDISK_FLAGS 0x48E /* [7]=processing [6:4]=SMM out [3]=FDD processing [2]=RAM drive number [1:0]=I/F mode */
/* 0x48F unused */
#define BIOS98_YET_ANOTHER_BEEP_PITCH 0x490 /* uint16_t hires beep pitch */
#define BIOS98_DISK_RESET 0x492 /* [7:4]=recalibrate request 640KB unit 3,2,1,0 [3:0]=recalibrate request 1MB unit 3,2,1,0 */
#define BIOS98_F2HD_MODE 0x493 /* [7:4]=640KB FDD unit 3,2,1,0 80/40 cylinders [3:0]=640KB FDD unit 3,2,1,0 double/single sided */
#define BIOS98_DISK_EQUIP2 0x494 /* [7:4]=external FDD unit 3,2,1,0 1MB drive in 640KB mode */
#define BIOS98_GRAPH_CHG 0x495 /* GRCG/EGC mode register setting for use by interrupt handlers like mouse drivers */
#define BIOS98_GRAPH_TAL 0x496 /* uint8_t[4] GRCG tile registers */
/* 0x49A-0x4AB various */
#define BIOS98_XROM_PTR 0x49C /* uint32_t FAR 16:16 JMP destination address from INT 1Bh to extended BIOS */
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 0x7F
/* 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);
// Is it safe to call mem_read/write as if part of the guest i.e. from the main GUI?
// If the guest is running in protected mode, NO.
// If the guest is not running under our own DOS kernel, NO.
// This is required to avoid problems with helpful code in this project causing BSODs in Windows NT/2000/XP
// because the BIOS data area addresses are invalid pages in that 32-bit environment!
bool IsSafeToMemIOOnBehalfOfGuest();
// \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;
};
extern bool ACPI_enabled;
extern uint32_t ACPI_BASE;
extern uint32_t ACPI_REGION_SIZE; // power of 2
extern uint32_t ACPI_version;
extern unsigned char *ACPI_buffer;
extern size_t ACPI_buffer_size;
extern int ACPI_IRQ;
extern unsigned int ACPI_SMI_CMD;
void ACPI_mem_enable(const bool enable);
void ACPI_free();
bool ACPI_init();
/* 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))
/* WARNING: do not wrap type macro parameter in parens i.e. (type), it breaks PNP
* structures and Windows 9x/ME will fail to boot! */
#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
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