/***************************************************************************** * * (C) Copyright MICROSOFT Corp., 1996 * * Title: ACPITABL.H --- Definitions and descriptions of the various BIOS supplied ACPI tables. * * Version: 1.00 * * Date: 6-17-96 * * Author: Jason Clark (jasoncl) * *------------------------------------------------------------------------------ * * Change log: * * DATE REV DESCRIPTION * ----------- --- ----------------------------------------------------------- * ****************************************************************************/ // These map to bios provided structures, so turn on 1 byte packing #ifndef _ACPITABL_H #define _ACPITABL_H #ifdef ASL_ASSEMBLER #undef PHYSICAL_ADDRESS #define PHYSICAL_ADDRESS ULONGLONG #define UNALIGNED #endif #include // Generic Register Address Structure typedef struct _GEN_ADDR { UCHAR AddressSpaceID; UCHAR BitWidth; UCHAR BitOffset; UCHAR Reserved; PHYSICAL_ADDRESS Address; } GEN_ADDR, *PGEN_ADDR; #define RSDP_SIGNATURE 0x2052545020445352 // "RSD PTR " typedef struct _RSDP { // Root System Description Table Pointer Structure ULONGLONG Signature; // 8 UCHAR table signature 'RSD PTR ' UCHAR Checksum; // checksum for first 20 bytes of table (entire ACPI 1.0 table) UCHAR OEMID[6]; // String that uniquely ID's the OEM UCHAR Revision; // 0 - ACPI 1.0; 2 - ACPI 2.0 ULONG RsdtAddress;// physical address of Root System Description Table (1.0 table ended here) ULONG Length; // Length of the table in bytes PHYSICAL_ADDRESS XsdtAddress;// physical address of XSDT UCHAR XChecksum; // checksum for entire table UCHAR Reserved[3]; } RSDP, *PRSDP; #define RSDP_SEARCH_RANGE_BEGIN 0xE0000 // physical address where we begin searching for the RSDP #define RSDP_SEARCH_RANGE_END 0xFFFFF #define RSDP_SEARCH_RANGE_LENGTH (RSDP_SEARCH_RANGE_END-RSDP_SEARCH_RANGE_BEGIN+1) #define RSDP_SEARCH_INTERVAL 16 // search on 16 byte boundaries typedef struct _DESCRIPTION_HEADER { // Header structure appears at the beginning of each ACPI table ULONG Signature; // Signature used to identify the type of table ULONG Length; // Length of entire table including the DESCRIPTION_HEADER UCHAR Revision; // Minor version of ACPI spec to which this table conforms UCHAR Checksum; // sum of all bytes in the entire TABLE should = 0 UCHAR OEMID[6]; // String that uniquely ID's the OEM UCHAR OEMTableID[8]; // String that uniquely ID's this table (used for table patching and replacement). ULONG OEMRevision; // OEM supplied table revision number. Bigger number = newer table. UCHAR CreatorID[4]; // Vendor ID of utility which created this table. ULONG CreatorRev; // Revision of utility that created the table. } DESCRIPTION_HEADER; typedef DESCRIPTION_HEADER *PDESCRIPTION_HEADER; // Header constants #define ACPI_MAX_SIGNATURE 4 #define ACPI_MAX_OEM_ID 6 #define ACPI_MAX_TABLE_ID 8 #define ACPI_MAX_TABLE_STRINGS ACPI_MAX_SIGNATURE + ACPI_MAX_OEM_ID + ACPI_MAX_TABLE_ID #define FACS_SIGNATURE 0x53434146 // "FACS" typedef enum { AcpiGenericSpaceMemory = 0, AcpiGenericSpaceIO, AcpiGenericSpacePciConfig, AcpiGenericSpaceEC, AcpiGenericSpaceSMBus, AcpiGenericSpaceFixedFunction = 0x7F } ACPI_GENERIC_ADDRESS_TYPE, *PACPI_GENERIC_ADDRESS_TYPE; typedef struct _FACS { // Firmware ACPI Control Structure. Note that this table does not have a header, it is pointed to by the FADT ULONG Signature; // 'FACS' ULONG Length; // Length of entire firmware ACPI control structure (must be 64 bytes or larger) ULONG HardwareSignature; ULONG pFirmwareWakingVector; // physical address of location where the OS needs to put the firmware waking vector ULONG GlobalLock; // 32 bit structure used for sharing Embedded Controller ULONG Flags; PHYSICAL_ADDRESS x_FirmwareWakingVector; // 64-bit capable firmware vector UCHAR version; UCHAR Reserved[31]; } FACS, *PFACS; // FACS.GlobalLock bit field definitions #define GL_PENDING_BIT 0x00 #define GL_PENDING (1 << GL_PENDING_BIT) #define GL_OWNER_BIT 0x01 #define GL_OWNER (1 << GL_OWNER_BIT) #define GL_NON_RESERVED_BITS_MASK (GL_PENDING+GL_OWNED) // FACS Flags definitions #define FACS_S4BIOS_SUPPORTED_BIT 0 // flag indicates whether or not the BIOS will save/restore memory around S4 #define FACS_S4BIOS_SUPPORTED (1 << FACS_S4BIOS_SUPPORTED_BIT) #define FADT_SIGNATURE 0x50434146 // "FACP" typedef struct _FADT { // Fixed ACPI description table DESCRIPTION_HEADER Header; ULONG facs; // Physical address of the Firmware ACPI Control Structure ULONG dsdt; // Physical address of the Differentiated System Description Table UCHAR int_model; // System's Interrupt mode, 0=Dual PIC, 1=Multiple APIC, >1 reserved UCHAR pm_profile; // System's preferred power profile USHORT sci_int_vector; // Vector of SCI interrupt. ULONG smi_cmd_io_port; // Address in System I/O Space of the SMI Command port, used to enable and disable ACPI. UCHAR acpi_on_value; // Value out'd to smi_cmd_port to activate ACPI UCHAR acpi_off_value; // Value out'd to smi_cmd_port to deactivate ACPI UCHAR s4bios_req; // Value to write to SMI_CMD to enter the S4 state. UCHAR pstate_control; // Value to write to SMI_CMD to assume control of processor performance states ULONG pm1a_evt_blk_io_port; // Address in System I/O Space of the PM1a_EVT_BLK register block ULONG pm1b_evt_blk_io_port; // Address in System I/O Space of the PM1b_EVT_BLK register block ULONG pm1a_ctrl_blk_io_port; // Address in System I/O Space of the PM1a_CNT_BLK register block ULONG pm1b_ctrl_blk_io_port; // Address in System I/O Space of the PM1b_CNT_BLK register block ULONG pm2_ctrl_blk_io_port; // Address in System I/O Space of the PM2_CNT_BLK register block ULONG pm_tmr_blk_io_port; // Address in System I/O Space of the PM_TMR register block ULONG gp0_blk_io_port; // Address in System I/O Space of the GP0 register block ULONG gp1_blk_io_port; // Address in System I/O Space of the GP1 register block UCHAR pm1_evt_len; // number of bytes decoded for PM1_BLK (must be >= 4) UCHAR pm1_ctrl_len; // number of bytes decoded for PM1_CNT (must be >= 2) UCHAR pm2_ctrl_len; // number of bytes decoded for PM1a_CNT (must be >= 1) UCHAR pm_tmr_len; // number of bytes decoded for PM_TMR (must be >= 4) UCHAR gp0_blk_len; // number of bytes decoded for GP0_BLK (must be multiple of 2) UCHAR gp1_blk_len; // number of bytes decoded for GP1_BLK (must be multiple of 2) UCHAR gp1_base; // index at which GP1 based events start UCHAR cstate_control; // Value to write to SMI_CMD to assume control of _CST states USHORT lvl2_latency; // Worst case latency in microseconds required to enter and leave the C2 processor state USHORT lvl3_latency; // Worst case latency in microseconds required to enter and leave the C3 processor state USHORT flush_size; // Ignored if WBINVD flag is 1 -- indicates size of memory read to flush dirty lines from // any processors memory caches. A size of zero indicates this is not supported. USHORT flush_stride; // Ignored if WBINVD flag is 1 -- the memory stride width, in bytes, to perform reads to flush // the processor's memory caches. UCHAR duty_offset; // zero based index of where the processor's duty cycle setting is within the processor's P_CNT register. UCHAR duty_width; // bit width of the processor's duty cycle setting value in the P_CNT register. // a value of zero indicates that processor duty cycle is not supported UCHAR day_alarm_index; UCHAR month_alarm_index; UCHAR century_alarm_index; USHORT boot_arch; UCHAR reserved3[1]; ULONG flags; // This is the last field if the table Revision is 1 GEN_ADDR reset_reg; UCHAR reset_val; // This is the last field if the table Revision is 2 UCHAR reserved4[3]; PHYSICAL_ADDRESS x_firmware_ctrl; PHYSICAL_ADDRESS x_dsdt; GEN_ADDR x_pm1a_evt_blk; GEN_ADDR x_pm1b_evt_blk; GEN_ADDR x_pm1a_ctrl_blk; GEN_ADDR x_pm1b_ctrl_blk; GEN_ADDR x_pm2_ctrl_blk; GEN_ADDR x_pm_tmr_blk; GEN_ADDR x_gp0_blk; GEN_ADDR x_gp1_blk; // This is the last field if the table Revision is 3 } FADT, *PFADT; #define FADT_REV_1_SIZE (FIELD_OFFSET(FADT, flags) + sizeof(ULONG)) #define FADT_REV_2_SIZE (FIELD_OFFSET(FADT, reset_val) + sizeof(UCHAR)) #define FADT_REV_3_SIZE (FIELD_OFFSET(FADT, x_gp1_blk) + sizeof(GEN_ADDR)) // // Static Resource Affinity Table // // This table describes the static topology of a ccNUMA machine. // #define ACPI_SRAT_SIGNATURE 0x54415253 // "SRAT" typedef struct _ACPI_SRAT { DESCRIPTION_HEADER Header; ULONG TableRevision; ULONG Reserved[2]; } ACPI_SRAT, *PACPI_SRAT; typedef struct _ACPI_SRAT_ENTRY { UCHAR Type; UCHAR Length; UCHAR ProximityDomain; union { struct { UCHAR ApicId; struct { ULONG Enabled:1; ULONG Reserved:31; } Flags; UCHAR SApicEid; UCHAR Reserved[7]; } ApicAffinity; struct { UCHAR Reserved[5]; PHYSICAL_ADDRESS Base; ULONGLONG Length; struct { ULONG Enabled:1; ULONG HotPlug:1; ULONG Reserved:30; } Flags; UCHAR Reserved2[8]; } MemoryAffinity; }; } ACPI_SRAT_ENTRY, *PACPI_SRAT_ENTRY; typedef enum { SratProcessorLocalAPIC, SratMemory } SRAT_ENTRY_TYPE; #ifdef _IA64_ // FLUSH WORKS IS FOR IA64 #define FLUSH_WORKS_BIT 0 #define FLUSH_WORKS (1 << FLUSH_WORKS_BIT) #endif // IA64 // definition of FADT.flags bits // this one bit flag indicates whether or not the WBINVD instruction works properly,if this bit is not set we can not use S2, S3 states, or // C3 on MP machines #define WRITEBACKINVALIDATE_WORKS_BIT 0 #define WRITEBACKINVALIDATE_WORKS (1 << WRITEBACKINVALIDATE_WORKS_BIT) // this flag indicates if wbinvd works EXCEPT that it does not invalidate the cache #define WRITEBACKINVALIDATE_DOESNT_INVALIDATE_BIT 1 #define WRITEBACKINVALIDATE_DOESNT_INVALIDATE (1 << WRITEBACKINVALIDATE_DOESNT_INVALIDATE_BIT) // this flag indicates that the C1 state is supported on all processors. #define SYSTEM_SUPPORTS_C1_BIT 2 #define SYSTEM_SUPPORTS_C1 (1 << SYSTEM_SUPPORTS_C1_BIT) // this one bit flag indicates whether support for the C2 state is restricted to uniprocessor machines #define P_LVL2_UP_ONLY_BIT 3 #define P_LVL2_UP_ONLY (1 << P_LVL2_UP_ONLY_BIT) // this bit indicates whether the PWR button is treated as a fix feature (0) or a generic feature (1) #define PWR_BUTTON_GENERIC_BIT 4 #define PWR_BUTTON_GENERIC (1 << PWR_BUTTON_GENERIC_BIT) #define SLEEP_BUTTON_GENERIC_BIT 5 #define SLEEP_BUTTON_GENERIC (1 << SLEEP_BUTTON_GENERIC_BIT) // this bit indicates whether the RTC wakeup status is reported in fix register space (0) or not (1) #define RTC_WAKE_GENERIC_BIT 6 #define RTC_WAKE_GENERIC (1 << RTC_WAKE_GENERIC_BIT) #define RTC_WAKE_FROM_S4_BIT 7 #define RTC_WAKE_FROM_S4 (1 << RTC_WAKE_FROM_S4_BIT) // This bit indicates whether the machine implements a 24 or 32 bit timer. #define TMR_VAL_EXT_BIT 8 #define TMR_VAL_EXT (1 << TMR_VAL_EXT_BIT) // This bit indicates whether the machine supports docking #define DCK_CAP_BIT 9 #define DCK_CAP (1 << DCK_CAP_BIT) // This bit indicates whether the machine supports reset #define RESET_CAP_BIT 10 #define RESET_CAP (1 << RESET_CAP_BIT) // This bit indicates whether the machine case can be opened #define SEALED_CASE_BIT 11 #define SEALED_CASE_CAP (1 << SEALED_CASE_BIT) // This bit indicates whether the machine has no video #define HEADLESS_BIT 12 #define HEADLESS_CAP (1 << HEADLESS_BIT) // spec defines maximum entry/exit latency values for C2 and C3, if the FADT indicates that these values are // exceeded then we do not use that C state. #define C2_MAX_LATENCY 100 #define C3_MAX_LATENCY 1000 // // Definition of FADT.boot_arch flags // #define LEGACY_DEVICES 1 #define I8042 2 #ifndef ANYSIZE_ARRAY #define ANYSIZE_ARRAY 1 #endif // Multiple APIC description table typedef struct _MAPIC { DESCRIPTION_HEADER Header; ULONG LocalAPICAddress; // Physical Address at which each processor can access its local APIC ULONG Flags; ULONG APICTables[ANYSIZE_ARRAY]; // A list of APIC tables. } MAPIC; typedef MAPIC *PMAPIC; // Multiple APIC structure flags #define PCAT_COMPAT_BIT 0 // indicates that the system also has a dual 8259 pic setup. #define PCAT_COMPAT (1 << PCAT_COMPAT_BIT) // APIC Structure Types #define PROCESSOR_LOCAL_APIC 0 #define IO_APIC 1 #define ISA_VECTOR_OVERRIDE 2 #define IO_NMI_SOURCE 3 #define LOCAL_NMI_SOURCE 4 #define ADDRESS_EXTENSION_STRUCTURE 5 #define IO_SAPIC 6 #define LOCAL_SAPIC 7 #define PLATFORM_INTERRUPT_SOURCE 8 #define PROCESSOR_LOCAL_APIC_LENGTH 8 #define IO_APIC_LENGTH 12 #define ISA_VECTOR_OVERRIDE_LENGTH 10 #define IO_NMI_SOURCE_LENGTH 8 #define LOCAL_NMI_SOURCE_LENGTH 6 #define PLATFORM_INTERRUPT_SOURCE_LENGTH 16 #define IO_SAPIC_LENGTH 16 #define PROCESSOR_LOCAL_SAPIC_LENGTH 12 // Platform Interrupt Types #define PLATFORM_INT_PMI 1 #define PLATFORM_INT_INIT 2 #define PLATFORM_INT_CPE 3 // These defines come from the MPS 1.4 spec, section 4.3.4 and they are referenced as // such in the ACPI spec. #define PO_BITS 3 #define POLARITY_HIGH 1 #define POLARITY_LOW 3 #define POLARITY_CONFORMS_WITH_BUS 0 #define EL_BITS 0xc #define EL_BIT_SHIFT 2 #define EL_EDGE_TRIGGERED 4 #define EL_LEVEL_TRIGGERED 0xc #define EL_CONFORMS_WITH_BUS 0 // The shared beginning info in all APIC Structures typedef struct _APICTABLE { UCHAR Type; UCHAR Length; } APICTABLE; typedef APICTABLE UNALIGNED *PAPICTABLE; typedef struct _PROCLOCALAPIC { UCHAR Type; // should be zero to identify a ProcessorLocalAPIC structure UCHAR Length; // better be 8 UCHAR ACPIProcessorID; // ProcessorID for which this processor is listed in the ACPI processor declaration // operator. UCHAR APICID; // The processor's local APIC ID. ULONG Flags; } PROCLOCALAPIC; typedef PROCLOCALAPIC UNALIGNED *PPROCLOCALAPIC; // Processor Local APIC Flags #define PLAF_ENABLED_BIT 0 #define PLAF_ENABLED (1 << PLAF_ENABLED_BIT) typedef struct _IOAPIC { UCHAR Type; UCHAR Length; // better be 12 UCHAR IOAPICID; UCHAR Reserved; ULONG IOAPICAddress; // Physical address at which this IO APIC resides. ULONG SystemVectorBase; // system interrupt vector index for this APIC } IOAPIC; typedef IOAPIC UNALIGNED *PIOAPIC; // Interrupt Source Override typedef struct _ISA_VECTOR { UCHAR Type; // Must be 2 UCHAR Length; // Must be 10 UCHAR Bus; // Must be 0 UCHAR Source; // BusRelative IRQ ULONG GlobalSystemInterruptVector; // Global IRQ USHORT Flags; // Same as MPS INTI Flags #ifdef _IA64_ // XXTF UCHAR Reserved[6]; // 6 bytes reserved as per 64 bit // extensions to ACPI spec v0.7 #endif } ISA_VECTOR; typedef ISA_VECTOR UNALIGNED *PISA_VECTOR; // I/O Non-Maskable Source Interrupt typedef struct _IO_NMISOURCE { UCHAR Type; // must be 3 UCHAR Length; // better be 8 USHORT Flags; // Same as MPS INTI Flags ULONG GlobalSystemInterruptVector; // Interrupt connected to NMI } IO_NMISOURCE; typedef IO_NMISOURCE UNALIGNED *PIO_NMISOURCE; // Local Non-Maskable Interrupt Source typedef struct _LOCAL_NMISOURCE { UCHAR Type; // must be 4 UCHAR Length; // better be 6 UCHAR ProcessorID; // which processor? 0xff means all USHORT Flags; UCHAR LINTIN; // which LINTIN# signal on the processor } LOCAL_NMISOURCE; typedef LOCAL_NMISOURCE UNALIGNED *PLOCAL_NMISOURCE; typedef struct _PROCLOCALSAPIC { UCHAR Type; // PROCESSOR_LOCAL_SAPIC UCHAR Length; // PROCESSOR_LOCAL_SAPIC_LENGTH // operator. UCHAR ACPIProcessorID; // ProcessorID for which this processor is listed in the ACPI processor declaration UCHAR APICID; // The processor's local APIC ID. UCHAR APICEID; // The processor's local APIC EID. UCHAR Reserved[3]; ULONG Flags; } PROCLOCALSAPIC; typedef PROCLOCALSAPIC UNALIGNED *PPROCLOCALSAPIC; typedef struct _IOSAPIC { UCHAR Type; // IO_SAPIC UCHAR Length; // IO_SAPIC_LENGTH USHORT Reserved; ULONG SystemVectorBase; // system interrupt vector index for this SAPIC ULONG_PTR IOSAPICAddress; // 64-bit Physical address at which this IO APIC resides. } IOSAPIC; typedef IOSAPIC UNALIGNED *PIOSAPIC; typedef struct _PLATFORM_INTERRUPT { UCHAR Type; // PLATFORM_INTERRUPT_SOURCE UCHAR Length; // PLATFORM_INTERRUPT_SOURCE_LENGTH USHORT Flags; // Same as MPS INTI Flags UCHAR InterruptType; UCHAR APICID; UCHAR ACPIEID; UCHAR IOSAPICVector; ULONG GlobalVector; ULONG Reserved; } PLATFORM_INTERRUPT; typedef PLATFORM_INTERRUPT UNALIGNED *PPLATFORM_INTERRUPT; // // Smart Battery // typedef struct _SMARTBATTTABLE { DESCRIPTION_HEADER Header; ULONG WarningEnergyLevel; // mWh at which the OEM suggests we warn the user that the battery is getting low. ULONG LowEnergyLevel; // mWh at which the OEM suggests we put the machine into a sleep state. ULONG CriticalEnergyLevel; // mWH at which the OEM suggests we do an emergency shutdown. } SMARTBATTTABLE; typedef SMARTBATTTABLE *PSMARTBATTTABLE; #define RSDT_SIGNATURE 0x54445352 // "RSDT" #define XSDT_SIGNATURE 0x54445358 // "XSDT" typedef struct _RSDT_32 { // Root System Description Table DESCRIPTION_HEADER Header; ULONG Tables[ANYSIZE_ARRAY]; // The structure contains an n length array of physical addresses each of which point to another table. } RSDT_32; typedef struct _RSDT_64 { // Root System Description Table DESCRIPTION_HEADER Header; ULONG Reserved; // 4 bytes reserved as per 64 bit extensions to ACPI spec v0.7 ULONG_PTR Tables[ANYSIZE_ARRAY]; // The structure contains an n length array of physical addresses each of which point to another table. } RSDT_64; #ifdef _IA64_ // XXTF typedef RSDT_64 RSDT; #else typedef RSDT_32 RSDT; #endif // _IA64_ XXTF typedef RSDT *PRSDT; typedef struct _XSDT { DESCRIPTION_HEADER Header; UNALIGNED PHYSICAL_ADDRESS Tables[ANYSIZE_ARRAY]; } XSDT, *PXSDT; // The below macro uses the min macro to protect against the case where we are running on machine which is compliant with // a spec prior to .99. If you had a .92 compliant header and one table pointer we would end of subtracting 32-36 resulting // in a really big number and hence we would think we had lots and lots of tables... Using the min macro we end up subtracting // the length-length getting zero which will be harmless and cause us to fail to load (with a red screen on Win9x) which is // the best we can do in this case. #ifndef min #define min(a,b) (((a) < (b)) ? (a) : (b)) #endif // // BUGBUG John Vert (jvert) 4/26/2000 // alpha64 machines are still running with 32-bit RSDTs. Once that support is dropped we can // remove this hack. // #ifdef _IA64_ #define NumTableEntriesFromRSDTPointer(p) (p->Header.Length-min(p->Header.Length,sizeof(DESCRIPTION_HEADER)))/sizeof(ULONG_PTR) #else #define NumTableEntriesFromRSDTPointer(p) (p->Header.Length-min(p->Header.Length,sizeof(DESCRIPTION_HEADER)))/sizeof(ULONG) #endif #define NumTableEntriesFromXSDTPointer(p) (p->Header.Length-min(p->Header.Length,sizeof(DESCRIPTION_HEADER)))/sizeof(PHYSICAL_ADDRESS) #define APIC_SIGNATURE 0x43495041 // "APIC" #define SPIC_SIGNATURE 0x43495053 // "SPIC" = SAPIC (IA64 extensions to ACPI requirement) #define DSDT_SIGNATURE 0x54445344 // "DSDT" #define SSDT_SIGNATURE 0x54445353 // "SSDT" #define PSDT_SIGNATURE 0x54445350 // "PSDT" #define SBST_SIGNATURE 0x54534253 // "SBST" #define DBGP_SIGNATURE 0x50474244 // "DBGP" typedef struct _DSDT { // Differentiated System Description Table DESCRIPTION_HEADER Header; UCHAR DiffDefBlock[ANYSIZE_ARRAY]; // this is the AML describing the base system. } DSDT; typedef DSDT *PDSDT; // Resume normal structure packing #include typedef struct _PROC_LOCAL_APIC { UCHAR NamespaceProcID; UCHAR ApicID; UCHAR NtNumber; BOOLEAN Started; BOOLEAN Enumerated; } PROC_LOCAL_APIC, *PPROC_LOCAL_APIC; extern PROC_LOCAL_APIC HalpProcLocalApicTable[]; // // Debug Port Table // #pragma pack(1) typedef struct _DEBUG_PORT_TABLE { DESCRIPTION_HEADER Header; UCHAR InterfaceType; // Type of registry interface (0 = full 16550 interface) UCHAR Reserved0[3]; // should be 0 GEN_ADDR BaseAddress; // Base address of the Debug Port register set // described using the Generic Register Address // Structure. // 0 - console redirection disabled. // e.g. COM1 (0x3F8) would be 0x1800000003F8 // COM2 (Ox2F8) would be 0x1800000002F8 UCHAR InterruptType; // Interrupt type(s) used by the UART. // bit 0 = PC-AT-compatible 8259 IRQ interrupt. // bit 1 = I/O APIC interrupt (Global System INterrupt) // bit 2 = I/O SAPIC interrupt (Global System Interrupt) (IRQ) // bit 3:7 = reserved (and must be 0) // Note: bit == 1 indicates support, bit == 0 indicates no support. // // Platforms with both a dual 8259 and an I/O APIC or I/O SAPIC // must set the IRQ bit (bit 0) and the corresponding Global // system interrupt bit. E.g. a system that supported 8259 and // SAPIC would be 0x5. UCHAR Irq; // 0 = none // 2 = 2 // 3 = 3 // ... // 16 = 16 // 1, 17-255 reserved ULONG GlobalSystemInterruptVector; // The I/O APIC or I/O SAPIC Global System Interrupt used // by the UART.Valid only if Bit[1] or Bit[2] of the // Interrupt Type field is set. UCHAR BaudRate; // Baudrate for BIOS redirection // 3 = 9600 // 4 = 19200 // 6 = 57600 // 7 = 115200 // 0-2,5, 8-255 reserved UCHAR Parity; // 0 = no parity // 1-255 reserved UCHAR StopBits; // 1 = 1 stop bit // 0, 2-255 = reserved UCHAR FlowControl; // 0 = Hadware Flow Control // 1 - 255 = reserved. UCHAR TerminalType; // The terminal protocol the BIOS was using for // console redirection // 0 = VT100 // 1 = Extended VT100 // 2-255 = reserved UCHAR Language; // Language which the BIOS was redirecting // 0 = US Western English (standard ASCII) USHORT PciDeviceId; // Designates device ID of a PCI device that // contains a UART to be used as a headless // port. USHORT PciVendorId; // Designates vendor ID of a PCI device that // contains a UART to be used as a headless // port. UCHAR PciBusNumber; // Designates which PCI system bus the PCI device // resides on. UCHAR PciSlotNumber; // Designates which PCI slot the PCI device // resides in. UCHAR PciFunctionNumber; // Which PCI function number describes the UART. ULONG PciFlags; // PCI compatibility flags bitmask. Should be zero // by default. // 0x1 indicates operating system should NOT suppress // PnP device enumeration or disable power management // for this device. // bits 1-31 reserved. UCHAR Reserved1[4]; // should be 0 } DEBUG_PORT_TABLE, *PDEBUG_PORT_TABLE; #pragma pack() // // BOOT Table -- based on Simple Boot Flag Specification 1.0 // typedef struct _BOOT_TABLE { DESCRIPTION_HEADER Header; UCHAR CMOSIndex; UCHAR Reserved[3]; } BOOT_TABLE, *PBOOT_TABLE; #define BOOT_SIGNATURE 0x544f4f42 // 'BOOT' // // Bits in the Boot Register // // // Set by OS to indicate that the bios need only configure boot devices // #define SBF_PNPOS_BIT 0 #define SBF_PNPOS (1 << SBF_PNPOS_BIT) // // Set by BIOS to indicate beginning of boot, cleared by OS to indicate a successful boot // #define SBF_BOOTING_BIT 1 #define SBF_BOOTING (1 << SBF_BOOTING_BIT) // // Set by BIOS to indicate a diagnostic boot // #define SBF_DIAG_BIT 2 #define SBF_DIAG (1 << SBF_DIAG_BIT) // // Set to ensure ODD parity // #define SBF_PARITY_BIT 7 #define SBF_PARITY (1 << SBF_PARITY_BIT) // // IPPT Table -- IA64 Platform Properties Table // typedef struct _IPPT_TABLE { DESCRIPTION_HEADER Header; ULONG Flags; ULONG Reserved[3]; } IPPT_TABLE, *PIPPT_TABLE; #define IPPT_DISABLE_WRITE_COMBINING 0x01L #define IPPT_ENABLE_CROSS_PARTITION_IPI 0x02L #define IPPT_DISABLE_PTCG_TB_FLUSH 0x04L #define IPPT_DISABLE_UC_MAIN_MEMORY 0x08L #define IPPT_SIGNATURE 0x54505049 // 'IPPT' #endif // _ACPITBL_H