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Voyager/Voyager/Voyager/edk2/MdePkg/Include/IndustryStandard/Pal.h

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/** @file
Main PAL API's defined in Intel Itanium Architecture Software Developer's Manual.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
http://opensource.org/licenses/bsd-license.php
THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
**/
#ifndef __PAL_API_H__
#define __PAL_API_H__
#define PAL_SUCCESS 0x0
///
/// CacheType of PAL_CACHE_FLUSH.
///
#define PAL_CACHE_FLUSH_INSTRUCTION_ALL 1
#define PAL_CACHE_FLUSH_DATA_ALL 2
#define PAL_CACHE_FLUSH_ALL 3
#define PAL_CACHE_FLUSH_SYNC_TO_DATA 4
///
/// Bitmask of Opearation of PAL_CACHE_FLUSH.
///
#define PAL_CACHE_FLUSH_INVALIDATE_LINES BIT0
#define PAL_CACHE_FLUSH_NO_INVALIDATE_LINES 0
#define PAL_CACHE_FLUSH_POLL_INTERRUPT BIT1
#define PAL_CACHE_FLUSH_NO_INTERRUPT 0
/**
PAL Procedure - PAL_CACHE_FLUSH.
Flush the instruction or data caches. It is required by Itanium processors.
The PAL procedure supports the Static Registers calling
convention. It could be called at virtual mode and physical
mode.
@param Index Index of PAL_CACHE_FLUSH within the
list of PAL procedures.
@param CacheType Unsigned 64-bit integer indicating
which cache to flush.
@param Operation Formatted bit vector indicating the
operation of this call.
@param ProgressIndicator Unsigned 64-bit integer specifying
the starting position of the flush
operation.
@retval 2 Call completed without error, but a PMI
was taken during the execution of this
procedure.
@retval 1 Call has not completed flushing due to
a pending interrupt.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error
@return R9 Unsigned 64-bit integer specifying the vector
number of the pending interrupt.
@return R10 Unsigned 64-bit integer specifying the
starting position of the flush operation.
@return R11 Unsigned 64-bit integer specifying the vector
number of the pending interrupt.
**/
#define PAL_CACHE_FLUSH 1
///
/// Attributes of PAL_CACHE_CONFIG_INFO1
///
#define PAL_CACHE_ATTR_WT 0
#define PAL_CACHE_ATTR_WB 1
///
/// PAL_CACHE_CONFIG_INFO1.StoreHint
///
#define PAL_CACHE_STORE_TEMPORAL 0
#define PAL_CACHE_STORE_NONE_TEMPORAL 3
///
/// PAL_CACHE_CONFIG_INFO1.StoreHint
///
#define PAL_CACHE_STORE_TEMPORAL_LVL_1 0
#define PAL_CACHE_STORE_NONE_TEMPORAL_LVL_ALL 3
///
/// PAL_CACHE_CONFIG_INFO1.StoreHint
///
#define PAL_CACHE_LOAD_TEMPORAL_LVL_1 0
#define PAL_CACHE_LOAD_NONE_TEMPORAL_LVL_1 1
#define PAL_CACHE_LOAD_NONE_TEMPORAL_LVL_ALL 3
///
/// Detail the characteristics of a given processor controlled
/// cache in the cache hierarchy.
///
typedef struct {
UINT64 IsUnified : 1;
UINT64 Attributes : 2;
UINT64 Associativity:8;
UINT64 LineSize:8;
UINT64 Stride:8;
UINT64 StoreLatency:8;
UINT64 StoreHint:8;
UINT64 LoadHint:8;
} PAL_CACHE_INFO_RETURN1;
///
/// Detail the characteristics of a given processor controlled
/// cache in the cache hierarchy.
///
typedef struct {
UINT64 CacheSize:32;
UINT64 AliasBoundary:8;
UINT64 TagLsBits:8;
UINT64 TagMsBits:8;
} PAL_CACHE_INFO_RETURN2;
/**
PAL Procedure - PAL_CACHE_INFO.
Return detailed instruction or data cache information. It is
required by Itanium processors. The PAL procedure supports the Static
Registers calling convention. It could be called at virtual
mode and physical mode.
@param Index Index of PAL_CACHE_INFO within the list of
PAL procedures.
@param CacheLevel Unsigned 64-bit integer specifying the
level in the cache hierarchy for which
information is requested. This value must
be between 0 and one less than the value
returned in the cache_levels return value
from PAL_CACHE_SUMMARY.
@param CacheType Unsigned 64-bit integer with a value of 1
for instruction cache and 2 for data or
unified cache. All other values are
reserved.
@param Reserved Should be 0.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error
@return R9 Detail the characteristics of a given
processor controlled cache in the cache
hierarchy. See PAL_CACHE_INFO_RETURN1.
@return R10 Detail the characteristics of a given
processor controlled cache in the cache
hierarchy. See PAL_CACHE_INFO_RETURN2.
@return R11 Reserved with 0.
**/
#define PAL_CACHE_INFO 2
///
/// Level of PAL_CACHE_INIT.
///
#define PAL_CACHE_INIT_ALL 0xffffffffffffffffULL
///
/// CacheType
///
#define PAL_CACHE_INIT_TYPE_INSTRUCTION 0x1
#define PAL_CACHE_INIT_TYPE_DATA 0x2
#define PAL_CACHE_INIT_TYPE_INSTRUCTION_AND_DATA 0x3
///
/// Restrict of PAL_CACHE_INIT.
///
#define PAL_CACHE_INIT_NO_RESTRICT 0
#define PAL_CACHE_INIT_RESTRICTED 1
/**
PAL Procedure - PAL_CACHE_INIT.
Initialize the instruction or data caches. It is required by
Itanium processors. The PAL procedure supports the Static Registers calling
convention. It could be called at physical mode.
@param Index Index of PAL_CACHE_INIT within the list of PAL
procedures.
@param Level Unsigned 64-bit integer containing the level of
cache to initialize. If the cache level can be
initialized independently, only that level will
be initialized. Otherwise
implementation-dependent side-effects will
occur.
@param CacheType Unsigned 64-bit integer with a value of 1 to
initialize the instruction cache, 2 to
initialize the data cache, or 3 to
initialize both. All other values are
reserved.
@param Restrict Unsigned 64-bit integer with a value of 0 or
1. All other values are reserved. If
restrict is 1 and initializing the specified
level and cache_type of the cache would
cause side-effects, PAL_CACHE_INIT will
return -4 instead of initializing the cache.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -4 Call could not initialize the specified
level and cache_type of the cache without
side-effects and restrict was 1.
**/
#define PAL_CACHE_INIT 3
///
/// PAL_CACHE_PROTECTION.Method.
///
#define PAL_CACHE_PROTECTION_NONE_PROTECT 0
#define PAL_CACHE_PROTECTION_ODD_PROTECT 1
#define PAL_CACHE_PROTECTION_EVEN_PROTECT 2
#define PAL_CACHE_PROTECTION_ECC_PROTECT 3
///
/// PAL_CACHE_PROTECTION.TagOrData.
///
#define PAL_CACHE_PROTECTION_PROTECT_DATA 0
#define PAL_CACHE_PROTECTION_PROTECT_TAG 1
#define PAL_CACHE_PROTECTION_PROTECT_TAG_ANDTHEN_DATA 2
#define PAL_CACHE_PROTECTION_PROTECT_DATA_ANDTHEN_TAG 3
///
/// 32-bit protection information structures.
///
typedef struct {
UINT32 DataBits:8;
UINT32 TagProtLsb:6;
UINT32 TagProtMsb:6;
UINT32 ProtBits:6;
UINT32 Method:4;
UINT32 TagOrData:2;
} PAL_CACHE_PROTECTION;
/**
PAL Procedure - PAL_CACHE_PROT_INFO.
Return instruction or data cache protection information. It is
required by Itanium processors. The PAL procedure supports the Static
Registers calling convention. It could be called at physical
mode and Virtual mode.
@param Index Index of PAL_CACHE_PROT_INFO within the list of
PAL procedures.
@param CacheLevel Unsigned 64-bit integer specifying the level
in the cache hierarchy for which information
is requested. This value must be between 0
and one less than the value returned in the
cache_levels return value from
PAL_CACHE_SUMMARY.
@param CacheType Unsigned 64-bit integer with a value of 1
for instruction cache and 2 for data or
unified cache. All other values are
reserved.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Detail the characteristics of a given
processor controlled cache in the cache
hierarchy. See PAL_CACHE_PROTECTION[0..1].
@return R10 Detail the characteristics of a given
processor controlled cache in the cache
hierarchy. See PAL_CACHE_PROTECTION[2..3].
@return R11 Detail the characteristics of a given
processor controlled cache in the cache
hierarchy. See PAL_CACHE_PROTECTION[4..5].
**/
#define PAL_CACHE_PROT_INFO 38
typedef struct {
UINT64 ThreadId : 16; ///< The thread identifier of the logical
///< processor for which information is being
///< returned. This value will be unique on a per core basis.
UINT64 Reserved1: 16;
UINT64 CoreId: 16; ///< The core identifier of the logical processor
///< for which information is being returned.
///< This value will be unique on a per physical
///< processor package basis.
UINT64 Reserved2: 16;
} PAL_PCOC_N_CACHE_INFO1;
typedef struct {
UINT64 LogicalAddress : 16; ///< Logical address: geographical address
///< of the logical processor for which
///< information is being returned. This is
///< the same value that is returned by the
///< PAL_FIXED_ADDR procedure when it is
///< called on the logical processor.
UINT64 Reserved1: 16;
UINT64 Reserved2: 32;
} PAL_PCOC_N_CACHE_INFO2;
/**
PAL Procedure - PAL_CACHE_SHARED_INFO.
Returns information on which logical processors share caches.
It is optional. The PAL procedure supports the Static
Registers calling convention. It could be called at physical
mode and Virtual mode.
@param Index Index of PAL_CACHE_SHARED_INFO within the list
of PAL procedures.
@param CacheLevel Unsigned 64-bit integer specifying the
level in the cache hierarchy for which
information is requested. This value must
be between 0 and one less than the value
returned in the cache_levels return value
from PAL_CACHE_SUMMARY.
@param CacheType Unsigned 64-bit integer with a value of 1
for instruction cache and 2 for data or
unified cache. All other values are
reserved.
@param ProcNumber Unsigned 64-bit integer that specifies for
which logical processor information is
being requested. This input argument must
be zero for the first call to this
procedure and can be a maximum value of
one less than the number of logical
processors sharing this cache, which is
returned by the num_shared return value.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned integer that returns the number of
logical processors that share the processor
cache level and type, for which information was
requested.
@return R10 The format of PAL_PCOC_N_CACHE_INFO1.
@return R11 The format of PAL_PCOC_N_CACHE_INFO2.
**/
#define PAL_CACHE_SHARED_INFO 43
/**
PAL Procedure - PAL_CACHE_SUMMARY.
Return a summary of the cache hierarchy. It is required by
Itanium processors. The PAL procedure supports the Static Registers calling
convention. It could be called at physical mode and Virtual
mode.
@param Index Index of PAL_CACHE_SUMMARY within the list of
PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 CacheLevels Unsigned 64-bit integer denoting the
number of levels of cache
implemented by the processor.
Strictly, this is the number of
levels for which the cache
controller is integrated into the
processor (the cache SRAMs may be
external to the processor).
@return R10 UniqueCaches Unsigned 64-bit integer denoting the
number of unique caches implemented
by the processor. This has a maximum
of 2*cache_levels, but may be less
if any of the levels in the cache
hierarchy are unified caches or do
not have both instruction and data
caches.
**/
#define PAL_CACHE_SUMMARY 4
//
// Virtual Memory Attributes implemented by processor.
//
#define PAL_MEMORY_ATTR_WB 0
#define PAL_MEMORY_ATTR_WC 6
#define PAL_MEMORY_ATTR_UC 4
#define PAL_MEMORY_ATTR_UCE 5
#define PAL_MEMORY_ATTR_NATPAGE 7
/**
PAL Procedure - PAL_MEM_ATTRIB.
Return a list of supported memory attributes.. It is required
by Itanium processors. The PAL procedure supports the Static Registers calling
convention. It could be called at physical mode and Virtual
mode.
@param Index Index of PAL_MEM_ATTRIB within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Attributes 8-bit vector of memory attributes
implemented by processor. See Virtual
Memory Attributes above.
**/
#define PAL_MEM_ATTRIB 5
/**
PAL Procedure - PAL_PREFETCH_VISIBILITY.
Used in architected sequence to transition pages from a
cacheable, speculative attribute to an uncacheable attribute.
It is required by Itanium processors. The PAL procedure supports the Static
Registers calling convention. It could be called at physical
mode and Virtual mode.
@param Index Index of PAL_PREFETCH_VISIBILITY within the list
of PAL procedures.
@param TransitionType Unsigned integer specifying the type
of memory attribute transition that is
being performed.
@retval 1 Call completed without error; this
call is not necessary on remote
processors.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_PREFETCH_VISIBILITY 41
/**
PAL Procedure - PAL_PTCE_INFO.
Return information needed for ptc.e instruction to purge
entire TC. It is required by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called at
physical mode and Virtual mode.
@param Index Index of PAL_PTCE_INFO within the list
of PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned 64-bit integer denoting the beginning
address to be used by the first PTCE instruction
in the purge loop.
@return R10 Two unsigned 32-bit integers denoting the loop
counts of the outer (loop 1) and inner (loop 2)
purge loops. count1 (loop 1) is contained in bits
63:32 of the parameter, and count2 (loop 2) is
contained in bits 31:0 of the parameter.
@return R11 Two unsigned 32-bit integers denoting the loop
strides of the outer (loop 1) and inner (loop 2)
purge loops. stride1 (loop 1) is contained in bits
63:32 of the parameter, and stride2 (loop 2) is
contained in bits 31:0 of the parameter.
**/
#define PAL_PTCE_INFO 6
typedef struct {
UINT64 NumberSets:8; ///< Unsigned 8-bit integer denoting the number
///< of hash sets for the specified level
///< (1=fully associative)
UINT64 NumberWays:8; ///< Unsigned 8-bit integer denoting the
///< associativity of the specified level
///< (1=direct).
UINT64 NumberEntries:16; ///< Unsigned 16-bit integer denoting the
///< number of entries in the specified TC.
UINT64 PageSizeIsOptimized:1; ///< Flag denoting whether the
///< specified level is optimized for
///< the region's preferred page size
///< (1=optimized) tc_pages indicates
///< which page sizes are usable by
///< this translation cache.
UINT64 TcIsUnified:1; ///< Flag denoting whether the specified TC is
///< unified (1=unified).
UINT64 EntriesReduction:1; ///< Flag denoting whether installed
///< translation registers will reduce
///< the number of entries within the
///< specified TC.
} PAL_TC_INFO;
/**
PAL Procedure - PAL_VM_INFO.
Return detailed information about virtual memory features
supported in the processor. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and Virtual mode.
@param Index Index of PAL_VM_INFO within the list
of PAL procedures.
@param TcLevel Unsigned 64-bit integer specifying the level
in the TLB hierarchy for which information is
required. This value must be between 0 and one
less than the value returned in the
vm_info_1.num_tc_levels return value from
PAL_VM_SUMMARY.
@param TcType Unsigned 64-bit integer with a value of 1 for
instruction translation cache and 2 for data
or unified translation cache. All other values
are reserved.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 8-byte formatted value returning information
about the specified TC. See PAL_TC_INFO above.
@return R10 64-bit vector containing a bit for each page
size supported in the specified TC, where bit
position n indicates a page size of 2**n.
**/
#define PAL_VM_INFO 7
/**
PAL Procedure - PAL_VM_PAGE_SIZE.
Return virtual memory TC and hardware walker page sizes
supported in the processor. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and Virtual mode.
@param Index Index of PAL_VM_PAGE_SIZE within the list
of PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 64-bit vector containing a bit for each
architected page size that is supported for
TLB insertions and region registers.
@return R10 64-bit vector containing a bit for each
architected page size supported for TLB purge
operations.
**/
#define PAL_VM_PAGE_SIZE 34
typedef struct {
UINT64 WalkerPresent:1; ///< 1-bit flag indicating whether a hardware
///< TLB walker is implemented (1 = walker
///< present).
UINT64 WidthOfPhysicalAddress: 7; ///< Unsigned 7-bit integer
///< denoting the number of bits of
///< physical address implemented.
UINT64 WidthOfKey:8; ///< Unsigned 8-bit integer denoting the number
///< of bits mplemented in the PKR.key field.
UINT64 MaxPkrIndex:8; ///< Unsigned 8-bit integer denoting the
///< maximum PKR index (number of PKRs-1).
UINT64 HashTagId:8; ///< Unsigned 8-bit integer which uniquely
///< identifies the processor hash and tag
///< algorithm.
UINT64 MaxDtrIndex:8; ///< Unsigned 8 bit integer denoting the
///< maximum data translation register index
///< (number of dtr entries - 1).
UINT64 MaxItrIndex:8; ///< Unsigned 8 bit integer denoting the
///< maximum instruction translation register
///< index (number of itr entries - 1).
UINT64 NumberOfUniqueTc:8; ///< Unsigned 8-bit integer denoting the
///< number of unique TCs implemented.
///< This is a maximum of
///< 2*num_tc_levels.
UINT64 NumberOfTcLevels:8; ///< Unsigned 8-bit integer denoting the
///< number of TC levels.
} PAL_VM_INFO1;
typedef struct {
UINT64 WidthOfVirtualAddress:8; ///< Unsigned 8-bit integer denoting
///< is the total number of virtual
///< address bits - 1.
UINT64 WidthOfRid:8; ///< Unsigned 8-bit integer denoting the number
///< of bits implemented in the RR.rid field.
UINT64 MaxPurgedTlbs:16; ///< Unsigned 16 bit integer denoting the
///< maximum number of concurrent outstanding
///< TLB purges allowed by the processor. A
///< value of 0 indicates one outstanding
///< purge allowed. A value of 216-1
///< indicates no limit on outstanding
///< purges. All other values indicate the
///< actual number of concurrent outstanding
///< purges allowed.
UINT64 Reserved:32;
} PAL_VM_INFO2;
/**
PAL Procedure - PAL_VM_SUMMARY.
Return summary information about virtual memory features
supported in the processor. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and Virtual mode.
@param Index Index of PAL_VM_SUMMARY within the list
of PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 8-byte formatted value returning global virtual
memory information. See PAL_VM_INFO1 above.
@return R10 8-byte formatted value returning global virtual
memory information. See PAL_VM_INFO2 above.
**/
#define PAL_VM_SUMMARY 8
//
// Bit mask of TR_valid flag.
//
#define PAL_TR_ACCESS_RIGHT_IS_VALID BIT0
#define PAL_TR_PRIVILEGE_LEVEL_IS_VALID BIT1
#define PAL_TR_DIRTY_IS_VALID BIT2
#define PAL_TR_MEMORY_ATTR_IS_VALID BIT3
/**
PAL Procedure - PAL_VM_TR_READ.
Read contents of a translation register. It is required by
Itanium processors. The PAL procedure supports the Stacked Register calling
convention. It could be called at physical mode.
@param Index Index of PAL_VM_TR_READ within the list
of PAL procedures.
@param RegNumber Unsigned 64-bit number denoting which TR to
read.
@param TrType Unsigned 64-bit number denoting whether to
read an ITR (0) or DTR (1). All other values
are reserved.
@param TrBuffer 64-bit pointer to the 32-byte memory buffer in
which translation data is returned.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Formatted bit vector denoting which fields are
valid. See TR_valid above.
**/
#define PAL_VM_TR_READ 261
//
// Bit Mask of Processor Bus Fesatures .
//
/**
When 0, bus data errors are detected and single bit errors are
corrected. When 1, no error detection or correction is done.
**/
#define PAL_BUS_DISABLE_DATA_ERROR_SIGNALLING BIT63
/**
When 0, bus address errors are signalled on the bus. When 1,
no bus errors are signalled on the bus. If Disable Bus Address
Error Checking is 1, this bit is ignored.
**/
#define PAL_BUS_DISABLE_ADDRESS_ERROR_SIGNALLING BIT62
/**
When 0, bus errors are detected, single bit errors are
corrected., and a CMCI or MCA is generated internally to the
processor. When 1, no bus address errors are detected or
corrected.
**/
#define PAL_BUS_DISABLE_ADDRESS_ERROR_CHECK BIT61
/**
When 0, bus protocol errors (BINIT#) are signaled by the
processor on the bus. When 1, bus protocol errors (BINIT#) are
not signaled on the bus. If Disable Bus Initialization Event
Checking is 1, this bit is ignored.
**/
#define PAL_BUS_DISABLE_INITIALIZATION_EVENT_SIGNALLING BIT60
/**
When 0, bus protocol errors (BINIT#) are detected and sampled
and an MCA is generated internally to the processor. When 1,
the processor will ignore bus protocol error conditions
(BINIT#).
**/
#define PAL_BUS_DISABLE_INITIALIZATION_EVENT_CHECK BIT59
/**
When 0, BERR# is signalled if a bus error is detected. When 1,
bus errors are not signalled on the bus.
**/
#define PAL_BUS_DISABLE_ERROR_SIGNALLING BIT58
/**
When 0, BERR# is signalled when internal processor requestor
initiated bus errors are detected. When 1, internal requester
bus errors are not signalled on the bus.
**/
#define PAL_BUS_DISABLE__INTERNAL_ERROR_SIGNALLING BIT57
/**
When 0, the processor takes an MCA if BERR# is asserted. When
1, the processor ignores the BERR# signal.
**/
#define PAL_BUS_DISABLE_ERROR_CHECK BIT56
/**
When 0, the processor asserts BINIT# if it detects a parity
error on the signals which identify the transactions to which
this is a response. When 1, the processor ignores parity on
these signals.
**/
#define PAL_BUS_DISABLE_RSP_ERROR_CHECK BIT55
/**
When 0, the in-order transaction queue is limited only by the
number of hardware entries. When 1, the processor's in-order
transactions queue is limited to one entry.
**/
#define PAL_BUS_DISABLE_TRANSACTION_QUEUE BIT54
/**
Enable a bus cache line replacement transaction when a cache
line in the exclusive state is replaced from the highest level
processor cache and is not present in the lower level processor
caches. When 0, no bus cache line replacement transaction will
be seen on the bus. When 1, bus cache line replacement
transactions will be seen on the bus when the above condition is
detected.
**/
#define PAL_BUS_ENABLE_EXCLUSIVE_CACHE_LINE_REPLACEMENT BIT53
/**
Enable a bus cache line replacement transaction when a cache
line in the shared or exclusive state is replaced from the
highest level processor cache and is not present in the lower
level processor caches.
When 0, no bus cache line replacement transaction will be seen
on the bus. When 1, bus cache line replacement transactions
will be seen on the bus when the above condition is detected.
**/
#define PAL_BUS_ENABLE_SHARED_CACHE_LINE_REPLACEMENT BIT52
/**
When 0, the data bus is configured at the 2x data transfer
rate.When 1, the data bus is configured at the 1x data
transfer rate, 30 Opt. Req. Disable Bus Lock Mask. When 0, the
processor executes locked transactions atomically. When 1, the
processor masks the bus lock signal and executes locked
transactions as a non-atomic series of transactions.
**/
#define PAL_BUS_ENABLE_HALF_TRANSFER BIT30
/**
When 0, the processor will deassert bus request when finished
with each transaction. When 1, the processor will continue to
assert bus request after it has finished, if it was the last
agent to own the bus and if there are no other pending
requests.
**/
#define PAL_BUS_REQUEST_BUS_PARKING BIT29
/**
PAL Procedure - PAL_BUS_GET_FEATURES.
Return configurable processor bus interface features and their
current settings. It is required by Itanium processors. The PAL procedure
supports the Stacked Register calling convention. It could be
called at physical mode.
@param Index Index of PAL_BUS_GET_FEATURES within the list
of PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 64-bit vector of features implemented.
(1=implemented, 0=not implemented)
@return R10 64-bit vector of current feature settings.
@return R11 64-bit vector of features controllable by
software. (1=controllable, 0= not controllable)
**/
#define PAL_BUS_GET_FEATURES 9
/**
PAL Procedure - PAL_BUS_SET_FEATURES.
Enable or disable configurable features in processor bus
interface. It is required by Itanium processors. The PAL procedure
supports the Static Registers calling convention. It could be
called at physical mode.
@param Index Index of PAL_BUS_SET_FEATURES within the list
of PAL procedures.
@param FeatureSelect 64-bit vector denoting desired state of
each feature (1=select, 0=non-select).
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_BUS_SET_FEATURES 10
/**
PAL Procedure - PAL_DEBUG_INFO.
Return the number of instruction and data breakpoint
registers. It is required by Itanium processors. The
PAL procedure supports the Static Registers calling
convention. It could be called at physical mode and virtual
mode.
@param Index Index of PAL_DEBUG_INFO within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned 64-bit integer denoting the number of
pairs of instruction debug registers implemented
by the processor.
@return R10 Unsigned 64-bit integer denoting the number of
pairs of data debug registers implemented by the
processor.
**/
#define PAL_DEBUG_INFO 11
/**
PAL Procedure - PAL_FIXED_ADDR.
Return the fixed component of a processor's directed address.
It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and virtual mode.
@param Index Index of PAL_FIXED_ADDR within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Fixed geographical address of this processor.
**/
#define PAL_FIXED_ADDR 12
/**
PAL Procedure - PAL_FREQ_BASE.
Return the frequency of the output clock for use by the
platform, if generated by the processor. It is optinal. The
PAL procedure supports the Static Registers calling
convention. It could be called at physical mode and virtual
mode.
@param Index Index of PAL_FREQ_BASE within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Base frequency of the platform if generated by the
processor chip.
**/
#define PAL_FREQ_BASE 13
/**
PAL Procedure - PAL_FREQ_RATIOS.
Return ratio of processor, bus, and interval time counter to
processor input clock or output clock for platform use, if
generated by the processor. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and virtual mode.
@param Index Index of PAL_FREQ_RATIOS within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Ratio of the processor frequency to the input
clock of the processor, if the platform clock is
generated externally or to the output clock to the
platform, if the platform clock is generated by
the processor.
@return R10 Ratio of the bus frequency to the input clock of
the processor, if the platform clock is generated
externally or to the output clock to the platform,
if the platform clock is generated by the
processor.
@return R11 Ratio of the interval timer counter rate to input
clock of the processor, if the platform clock is
generated externally or to the output clock to the
platform, if the platform clock is generated by
the processor.
**/
#define PAL_FREQ_RATIOS 14
typedef struct {
UINT64 NumberOfLogicalProcessors:16; ///< Total number of logical
///< processors on this physical
///< processor package that are
///< enabled.
UINT64 ThreadsPerCore:8; ///< Number of threads per core.
UINT64 Reserved1:8;
UINT64 CoresPerProcessor:8; ///< Total number of cores on this
///< physical processor package.
UINT64 Reserved2:8;
UINT64 PhysicalProcessorPackageId:8; ///< Physical processor package
///< identifier which was
///< assigned at reset by the
///< platform or bus
///< controller. This value may
///< or may not be unique
///< across the entire platform
///< since it depends on the
///< platform vendor's policy.
UINT64 Reserved3:8;
} PAL_LOGICAL_PROCESSPR_OVERVIEW;
typedef struct {
UINT64 ThreadId:16; ///< The thread identifier of the logical
///< processor for which information is being
///< returned. This value will be unique on a per
///< core basis.
UINT64 Reserved1:16;
UINT64 CoreId:16; ///< The core identifier of the logical processor
///< for which information is being returned.
///< This value will be unique on a per physical
///< processor package basis.
UINT64 Reserved2:16;
} PAL_LOGICAL_PROCESSORN_INFO1;
typedef struct {
UINT64 LogicalAddress:16; ///< Geographical address of the logical
///< processor for which information is being
///< returned. This is the same value that is
///< returned by the PAL_FIXED_ADDR procedure
///< when it is called on the logical processor.
UINT64 Reserved:48;
} PAL_LOGICAL_PROCESSORN_INFO2;
/**
PAL Procedure - PAL_LOGICAL_TO_PHYSICAL.
Return information on which logical processors map to a
physical processor die. It is optinal. The PAL procedure
supports the Static Registers calling convention. It could be
called at physical mode and virtual mode.
@param Index Index of PAL_LOGICAL_TO_PHYSICAL within the list of PAL
procedures.
@param ProcessorNumber Signed 64-bit integer that specifies
for which logical processor
information is being requested. When
this input argument is -1, information
is returned about the logical
processor on which the procedure call
is made. This input argument must be
in the range of 1 up to one less than
the number of logical processors
returned by num_log in the
log_overview return value.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 The format of PAL_LOGICAL_PROCESSPR_OVERVIEW.
@return R10 The format of PAL_LOGICAL_PROCESSORN_INFO1.
@return R11 The format of PAL_LOGICAL_PROCESSORN_INFO2.
**/
#define PAL_LOGICAL_TO_PHYSICAL 42
typedef struct {
UINT64 NumberOfPmcPairs:8; ///< Unsigned 8-bit number defining the
///< number of generic PMC/PMD pairs.
UINT64 WidthOfCounter:8; ///< Unsigned 8-bit number in the range
///< 0:60 defining the number of
///< implemented counter bits.
UINT64 TypeOfCycleCounting:8; ///< Unsigned 8-bit number defining the
///< event type for counting processor cycles.
UINT64 TypeOfRetiredInstructionBundle:8; ///< Retired Unsigned 8-bit
///< number defining the
///< event type for retired
///< instruction bundles.
UINT64 Reserved:32;
} PAL_PERFORMANCE_INFO;
/**
PAL Procedure - PAL_PERF_MON_INFO.
Return the number and type of performance monitors. It is
required by Itanium processors. The PAL procedure supports the Static
Registers calling convention. It could be called at physical
mode and virtual mode.
@param Index Index of PAL_PERF_MON_INFO within the list of
PAL procedures.
@param PerformanceBuffer An address to an 8-byte aligned
128-byte memory buffer.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Information about the performance monitors
implemented. See PAL_PERFORMANCE_INFO;
**/
#define PAL_PERF_MON_INFO 15
#define PAL_PLATFORM_ADDR_INTERRUPT_BLOCK_TOKEN 0x0
#define PAL_PLATFORM_ADDR_IO_BLOCK_TOKEN 0x1
/**
PAL Procedure - PAL_PLATFORM_ADDR.
Specify processor interrupt block address and I/O port space
address. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode and virtual mode.
@param Index Index of PAL_PLATFORM_ADDR within the list of
PAL procedures.
@param Type Unsigned 64-bit integer specifying the type of
block. 0 indicates that the processor interrupt
block pointer should be initialized. 1 indicates
that the processor I/O block pointer should be
initialized.
@param Address Unsigned 64-bit integer specifying the address
to which the processor I/O block or interrupt
block shall be set. The address must specify
an implemented physical address on the
processor model, bit 63 is ignored.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure.
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_PLATFORM_ADDR 16
typedef struct {
UINT64 Reserved1:36;
UINT64 FaultInUndefinedIns:1; ///< Bit36, No Unimplemented
///< instruction address reported as
///< fault. Denotes how the processor
///< reports the detection of
///< unimplemented instruction
///< addresses. When 1, the processor
///< reports an Unimplemented
///< Instruction Address fault on the
///< unimplemented address; when 0, it
///< reports an Unimplemented
///< Instruction Address trap on the
///< previous instruction in program
///< order. This feature may only be
///< interrogated by
///< PAL_PROC_GET_FEATURES. It may not
///< be enabled or disabled by
///< PAL_PROC_SET_FEATURES. The
///< corresponding argument is ignored.
UINT64 NoPresentPmi:1; ///< Bit37, No INIT, PMI, and LINT pins
///< present. Denotes the absence of INIT,
///< PMI, LINT0 and LINT1 pins on the
///< processor. When 1, the pins are absent.
///< When 0, the pins are present. This
///< feature may only be interrogated by
///< PAL_PROC_GET_FEATURES. It may not be
///< enabled or disabled by
///< PAL_PROC_SET_FEATURES. The corresponding
///< argument is ignored.
UINT64 NoSimpleImpInUndefinedIns:1; ///< Bit38, No Simple
///< implementation of
///< unimplemented instruction
///< addresses. Denotes how an
///< unimplemented instruction
///< address is recorded in IIP
///< on an Unimplemented
///< Instruction Address trap or
///< fault. When 1, the full
///< unimplemented address is
///< recorded in IIP; when 0, the
///< address is sign extended
///< (virtual addresses) or zero
///< extended (physical
///< addresses). This feature may
///< only be interrogated by
///< PAL_PROC_GET_FEATURES. It
///< may not be enabled or
///< disabled by
///< PAL_PROC_SET_FEATURES. The
///< corresponding argument is
///< ignored.
UINT64 NoVariablePState:1; ///< Bit39, No Variable P-state
///< performance: A value of 1, indicates
///< that a processor implements
///< techniques to optimize performance
///< for the given P-state power budget
///< by dynamically varying the
///< frequency, such that maximum
///< performance is achieved for the
///< power budget. A value of 0,
///< indicates that P-states have no
///< frequency variation or very small
///< frequency variations for their given
///< power budget. This feature may only
///< be interrogated by
///< PAL_PROC_GET_FEATURES. it may not be
///< enabled or disabled by
///< PAL_PROC_SET_FEATURES. The
///< corresponding argument is ignored.
UINT64 NoVM:1; ///< Bit40, No Virtual Machine features implemented.
///< Denotes whether PSR.vm is implemented. This
///< feature may only be interrogated by
///< PAL_PROC_GET_FEATURES. It may not be enabled or
///< disabled by PAL_PROC_SET_FEATURES. The
///< corresponding argument is ignored.
UINT64 NoXipXpsrXfs:1; ///< Bit41, No XIP, XPSR, and XFS
///< implemented. Denotes whether XIP, XPSR,
///< and XFS are implemented for machine
///< check recovery. This feature may only be
///< interrogated by PAL_PROC_GET_FEATURES.
///< It may not be enabled or disabled by
///< PAL_PROC_SET_FEATURES. The corresponding
///< argument is ignored.
UINT64 NoXr1ThroughXr3:1; ///< Bit42, No XR1 through XR3 implemented.
///< Denotes whether XR1 XR3 are
///< implemented for machine check
///< recovery. This feature may only be
///< interrogated by PAL_PROC_GET_FEATURES.
///< It may not be enabled or disabled by
///< PAL_PROC_SET_FEATURES. The
///< corresponding argument is ignored.
UINT64 DisableDynamicPrediction:1; ///< Bit43, Disable Dynamic
///< Predicate Prediction. When
///< 0, the processor may predict
///< predicate results and
///< execute speculatively, but
///< may not commit results until
///< the actual predicates are
///< known. When 1, the processor
///< shall not execute predicated
///< instructions until the
///< actual predicates are known.
UINT64 DisableSpontaneousDeferral:1; ///< Bit44, Disable Spontaneous
///< Deferral. When 1, the
///< processor may optionally
///< defer speculative loads
///< that do not encounter any
///< exception conditions, but
///< that trigger other
///< implementation-dependent
///< conditions (e.g., cache
///< miss). When 0, spontaneous
///< deferral is disabled.
UINT64 DisableDynamicDataCachePrefetch:1; ///< Bit45, Disable Dynamic
///< Data Cache Prefetch.
///< When 0, the processor
///< may prefetch into the
///< caches any data which
///< has not been accessed
///< by instruction
///< execution, but which
///< is likely to be
///< accessed. When 1, no
///< data may be fetched
///< until it is needed for
///< instruction execution
///< or is fetched by an
///< lfetch instruction.
UINT64 DisableDynamicInsCachePrefetch:1; ///< Bit46, Disable
///< DynamicInstruction Cache
///< Prefetch. When 0, the
///< processor may prefetch
///< into the caches any
///< instruction which has
///< not been executed, but
///< whose execution is
///< likely. When 1,
///< instructions may not be
///< fetched until needed or
///< hinted for execution.
///< (Prefetch for a hinted
///< branch is allowed even
///< when dynamic instruction
///< cache prefetch is
///< disabled.)
UINT64 DisableBranchPrediction:1; ///< Bit47, Disable Dynamic branch
///< prediction. When 0, the
///< processor may predict branch
///< targets and speculatively
///< execute, but may not commit
///< results. When 1, the processor
///< must wait until branch targets
///< are known to execute.
UINT64 Reserved2:4;
UINT64 DisablePState:1; ///< Bit52, Disable P-states. When 1, the PAL
///< P-state procedures (PAL_PSTATE_INFO,
///< PAL_SET_PSTATE, PAL_GET_PSTATE) will
///< return with a status of -1
///< (Unimplemented procedure).
UINT64 EnableMcaOnDataPoisoning:1; ///< Bit53, Enable MCA signaling
///< on data-poisoning event
///< detection. When 0, a CMCI
///< will be signaled on error
///< detection. When 1, an MCA
///< will be signaled on error
///< detection. If this feature
///< is not supported, then the
///< corresponding argument is
///< ignored when calling
///< PAL_PROC_SET_FEATURES. Note
///< that the functionality of
///< this bit is independent of
///< the setting in bit 60
///< (Enable CMCI promotion), and
///< that the bit 60 setting does
///< not affect CMCI signaling
///< for data-poisoning related
///< events. Volume 2: Processor
///< Abstraction Layer 2:431
///< PAL_PROC_GET_FEATURES
UINT64 EnableVmsw:1; ///< Bit54, Enable the use of the vmsw
///< instruction. When 0, the vmsw instruction
///< causes a Virtualization fault when
///< executed at the most privileged level.
///< When 1, this bit will enable normal
///< operation of the vmsw instruction.
UINT64 EnableEnvNotification:1; ///< Bit55, Enable external
///< notification when the processor
///< detects hardware errors caused
///< by environmental factors that
///< could cause loss of
///< deterministic behavior of the
///< processor. When 1, this bit will
///< enable external notification,
///< when 0 external notification is
///< not provided. The type of
///< external notification of these
///< errors is processor-dependent. A
///< loss of processor deterministic
///< behavior is considered to have
///< occurred if these
///< environmentally induced errors
///< cause the processor to deviate
///< from its normal execution and
///< eventually causes different
///< behavior which can be observed
///< at the processor bus pins.
///< Processor errors that do not
///< have this effects (i.e.,
///< software induced machine checks)
///< may or may not be promoted
///< depending on the processor
///< implementation.
UINT64 DisableBinitWithTimeout:1; ///< Bit56, Disable a BINIT on
///< internal processor time-out.
///< When 0, the processor may
///< generate a BINIT on an
///< internal processor time-out.
///< When 1, the processor will not
///< generate a BINIT on an
///< internal processor time-out.
///< The event is silently ignored.
UINT64 DisableDPM:1; ///< Bit57, Disable Dynamic Power Management
///< (DPM). When 0, the hardware may reduce
///< power consumption by removing the clock
///< input from idle functional units. When 1,
///< all functional units will receive clock
///< input, even when idle.
UINT64 DisableCoherency:1; ///< Bit58, Disable Coherency. When 0,
///< the processor uses normal coherency
///< requests and responses. When 1, the
///< processor answers all requests as if
///< the line were not present.
UINT64 DisableCache:1; ///< Bit59, Disable Cache. When 0, the
///< processor performs cast outs on
///< cacheable pages and issues and responds
///< to coherency requests normally. When 1,
///< the processor performs a memory access
///< for each reference regardless of cache
///< contents and issues no coherence
///< requests and responds as if the line
///< were not present. Cache contents cannot
///< be relied upon when the cache is
///< disabled. WARNING: Semaphore
///< instructions may not be atomic or may
///< cause Unsupported Data Reference faults
///< if caches are disabled.
UINT64 EnableCmciPromotion:1; ///< Bit60, Enable CMCI promotion When
///< 1, Corrected Machine Check
///< Interrupts (CMCI) are promoted to
///< MCAs. They are also further
///< promoted to BERR if bit 39, Enable
///< MCA promotion, is also set and
///< they are promoted to BINIT if bit
///< 38, Enable MCA to BINIT promotion,
///< is also set. This bit has no
///< effect if MCA signalling is
///< disabled (see
///< PAL_BUS_GET/SET_FEATURES)
UINT64 EnableMcaToBinitPromotion:1; ///< Bit61, Enable MCA to BINIT
///< promotion. When 1, machine
///< check aborts (MCAs) are
///< promoted to the Bus
///< Initialization signal, and
///< the BINIT pin is assert on
///< each occurrence of an MCA.
///< Setting this bit has no
///< effect if BINIT signalling
///< is disabled. (See
///< PAL_BUS_GET/SET_FEATURES)
UINT64 EnableMcaPromotion:1; ///< Bit62, Enable MCA promotion. When
///< 1, machine check aborts (MCAs) are
///< promoted to the Bus Error signal,
///< and the BERR pin is assert on each
///< occurrence of an MCA. Setting this
///< bit has no effect if BERR
///< signalling is disabled. (See
///< PAL_BUS_GET/SET_FEATURES)
UINT64 EnableBerrPromotion:1; ///< Bit63. Enable BERR promotion. When
///< 1, the Bus Error (BERR) signal is
///< promoted to the Bus Initialization
///< (BINIT) signal, and the BINIT pin
///< is asserted on the occurrence of
///< each Bus Error. Setting this bit
///< has no effect if BINIT signalling
///< is disabled. (See
///< PAL_BUS_GET/SET_FEATURES)
} PAL_PROCESSOR_FEATURES;
/**
PAL Procedure - PAL_PROC_GET_FEATURES.
Return configurable processor features and their current
setting. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode and virtual mode.
@param Index Index of PAL_PROC_GET_FEATURES within the list of
PAL procedures.
@param Reserved Reserved parameter.
@param FeatureSet Feature set information is being requested
for.
@retval 1 Call completed without error; The
feature_set passed is not supported but a
feature_set of a larger value is supported.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -8 feature_set passed is beyond the maximum
feature_set supported
@return R9 64-bit vector of features implemented. See
PAL_PROCESSOR_FEATURES.
@return R10 64-bit vector of current feature settings. See
PAL_PROCESSOR_FEATURES.
@return R11 64-bit vector of features controllable by
software.
**/
#define PAL_PROC_GET_FEATURES 17
/**
PAL Procedure - PAL_PROC_SET_FEATURES.
Enable or disable configurable processor features. It is
required by Itanium processors. The PAL procedure supports the Static
Registers calling convention. It could be called at physical
mode.
@param Index Index of PAL_PROC_SET_FEATURES within the list of
PAL procedures.
@param FeatureSelect 64-bit vector denoting desired state of
each feature (1=select, 0=non-select).
@param FeatureSet Feature set to apply changes to. See
PAL_PROC_GET_FEATURES for more information
on feature sets.
@retval 1 Call completed without error; The
feature_set passed is not supported but a
feature_set of a larger value is supported
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -8 feature_set passed is beyond the maximum
feature_set supported
**/
#define PAL_PROC_SET_FEATURES 18
//
// Value of PAL_REGISTER_INFO.InfoRequest.
//
#define PAL_APPLICATION_REGISTER_IMPLEMENTED 0
#define PAL_APPLICATION_REGISTER_READABLE 1
#define PAL_CONTROL_REGISTER_IMPLEMENTED 2
#define PAL_CONTROL_REGISTER_READABLE 3
/**
PAL Procedure - PAL_REGISTER_INFO.
Return AR and CR register information. It is required by Itanium processors.
The PAL procedure supports the Static Registers calling
convention. It could be called at physical mode and virtual
mode.
@param Index Index of PAL_REGISTER_INFO within the list of
PAL procedures.
@param InfoRequest Unsigned 64-bit integer denoting what
register information is requested. See
PAL_REGISTER_INFO.InfoRequest above.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 64-bit vector denoting information for registers
0-63. Bit 0 is register 0, bit 63 is register 63.
@return R10 64-bit vector denoting information for registers
64-127. Bit 0 is register 64, bit 63 is register
127.
**/
#define PAL_REGISTER_INFO 39
/**
PAL Procedure - PAL_RSE_INFO.
Return RSE information. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and virtual mode.
@param Index Index of PAL_RSE_INFO within the list of
PAL procedures.
@param InfoRequest Unsigned 64-bit integer denoting what
register information is requested. See
PAL_REGISTER_INFO.InfoRequest above.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Number of physical stacked general registers.
@return R10 RSE hints supported by processor.
**/
#define PAL_RSE_INFO 19
typedef struct {
UINT64 VersionOfPalB:16; ///< Is a 16-bit binary coded decimal (BCD)
///< number that provides identification
///< information about the PAL_B firmware.
UINT64 Reserved1:8;
UINT64 PalVendor:8; ///< Is an unsigned 8-bit integer indicating the
///< vendor of the PAL code.
UINT64 VersionOfPalA:16; ///< Is a 16-bit binary coded decimal (BCD)
///< number that provides identification
///< information about the PAL_A firmware. In
///< the split PAL_A model, this return value
///< is the version number of the
///< processor-specific PAL_A. The generic
///< PAL_A version is not returned by this
///< procedure in the split PAL_A model.
UINT64 Reserved2:16;
} PAL_VERSION_INFO;
/**
PAL Procedure - PAL_VERSION.
Return version of PAL code. It is required by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode and virtual mode.
@param Index Index of PAL_VERSION within the list of
PAL procedures.
@param InfoRequest Unsigned 64-bit integer denoting what
register information is requested. See
PAL_REGISTER_INFO.InfoRequest above.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 8-byte formatted value returning the minimum PAL
version needed for proper operation of the
processor. See PAL_VERSION_INFO above.
@return R10 8-byte formatted value returning the current PAL
version running on the processor. See
PAL_VERSION_INFO above.
**/
#define PAL_VERSION 20
//
// Vectors of PAL_MC_CLEAR_LOG.pending
//
#define PAL_MC_PENDING BIT0
#define PAL_INIT_PENDING BIT1
/**
PAL Procedure - PAL_MC_CLEAR_LOG.
Clear all error information from processor error logging
registers. It is required by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called at
physical mode and virtual mode.
@param Index Index of PAL_MC_CLEAR_LOG within the list of
PAL procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 64-bit vector denoting whether an event is
pending. See PAL_MC_CLEAR_LOG.pending above.
**/
#define PAL_MC_CLEAR_LOG 21
/**
PAL Procedure - PAL_MC_DRAIN.
Ensure that all operations that could cause an MCA have
completed. It is required by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called at
physical mode and virtual mode.
@param Index Index of PAL_MC_DRAIN within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_MC_DRAIN 22
/**
PAL Procedure - PAL_MC_DYNAMIC_STATE.
Return Processor Dynamic State for logging by SAL. It is
optional. The PAL procedure supports the Static Registers
calling convention. It could be called at physical mode.
@param Index Index of PAL_MC_DYNAMIC_STATE within the list of PAL
procedures.
@param Offset Offset of the next 8 bytes of Dynamic Processor
State to return. (multiple of 8).
@retval 0 Call completed without error
@retval -1 Unimplemented procedure.
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned 64-bit integer denoting bytes of Dynamic
Processor State returned.
@return R10 Next 8 bytes of Dynamic Processor State.
**/
#define PAL_MC_DYNAMIC_STATE 24
//
// Values of PAL_MC_ERROR_INFO.InfoIndex.
//
#define PAL_PROCESSOR_ERROR_MAP 0
#define PAL_PROCESSOR_STATE_PARAM 1
#define PAL_STRUCTURE_SPECIFIC_ERROR 2
typedef struct {
UINT64 CoreId:4; ///< Bit3:0, Processor core ID (default is 0 for
///< processors with a single core)
UINT64 ThreadId:4; ///< Bit7:4, Logical thread ID (default is 0 for
///< processors that execute a single thread)
UINT64 InfoOfInsCache:4; ///< Bit11:8, Error information is
///< available for 1st, 2nd, 3rd, and 4th
///< level instruction caches.
UINT64 InfoOfDataCache:4; ///< Bit15:12, Error information is
///< available for 1st, 2nd, 3rd, and 4th
///< level data/unified caches.
UINT64 InfoOfInsTlb:4; ///< Bit19:16 Error information is available
///< for 1st, 2nd, 3rd, and 4th level
///< instruction TLB.
UINT64 InfoOfDataTlb:4; ///< Bit23:20, Error information is available
///< for 1st, 2nd, 3rd, and 4th level
///< data/unified TLB
UINT64 InfoOfProcessorBus:4; ///< Bit27:24 Error information is
///< available for the 1st, 2nd, 3rd,
///< and 4th level processor bus
///< hierarchy.
UINT64 InfoOfRegisterFile:4; ///< Bit31:28 Error information is
///< available on register file
///< structures.
UINT64 InfoOfMicroArch:4; ///< Bit47:32, Error information is
///< available on micro-architectural
///< structures.
UINT64 Reserved:16;
} PAL_MC_ERROR_INFO_LEVEL_INDEX;
//
// Value of PAL_MC_ERROR_INFO.ErrorTypeIndex
//
#define PAL_ERR_INFO_BY_LEVEL_INDEX 0
#define PAL_ERR_INFO_TARGET_ADDRESS 1
#define PAL_ERR_INFO_REQUESTER_IDENTIFIER 2
#define PAL_ERR_INFO_REPONSER_INDENTIFIER 3
#define PAL_ERR_INFO_PRECISE_INSTRUCTION_POINTER 4
typedef struct {
UINT64 Operation:4; ///< Bit3:0, Type of cache operation that caused
///< the machine check: 0 - unknown or internal
///< error 1 - load 2 - store 3 - instruction
///< fetch or instruction prefetch 4 - data
///< prefetch (both hardware and software) 5 -
///< snoop (coherency check) 6 - cast out
///< (explicit or implicit write-back of a cache
///< line) 7 - move in (cache line fill)
UINT64 FailedCacheLevel:2; ///< Bit5:4 Level of cache where the
///< error occurred. A value of 0
///< indicates the first level of cache.
UINT64 Reserved1:2;
UINT64 FailedInDataPart:1; ///< Bit8, Failure located in the data part of the cache line.
UINT64 FailedInTagPart:1; ///< Bit9, Failure located in the tag part of the cache line.
UINT64 FailedInDataCache:1; ///< Bit10, Failure located in the data cache
UINT64 FailedInInsCache:1; ///< Bit11, Failure located in the
///< instruction cache.
UINT64 Mesi:3; ///< Bit14:12, 0 - cache line is invalid. 1 - cache
///< line is held shared. 2 - cache line is held
///< exclusive. 3 - cache line is modified. All other
///< values are reserved.
UINT64 MesiIsValid:1; ///< Bit15, The mesi field in the cache_check
///< parameter is valid.
UINT64 FailedWay:5; ///< Bit20:16, Failure located in the way of
///< the cache indicated by this value.
UINT64 WayIndexIsValid:1; ///< Bit21, The way and index field in the
///< cache_check parameter is valid.
UINT64 Reserved2:1;
UINT64 MultipleBitsError:1; ///< Bit23, A multiple-bit error was
///< detected, and data was poisoned for
///< the corresponding cache line during
///< castout.
UINT64 Reserved3:8;
UINT64 IndexOfCacheLineError:20; ///< Bit51:32, Index of the cache
///< line where the error occurred.
UINT64 Reserved4:2;
UINT64 InstructionSet:1; ///< Bit54, Instruction set. If this value
///< is set to zero, the instruction that
///< generated the machine check was an
///< Intel Itanium instruction. If this bit
///< is set to one, the instruction that
///< generated the machine check was IA-32
///< instruction.
UINT64 InstructionSetIsValid:1; ///< Bit55, The is field in the
///< cache_check parameter is valid.
UINT64 PrivilegeLevel:2; ///< Bit57:56, Privilege level. The
///< privilege level of the instruction
///< bundle responsible for generating the
///< machine check.
UINT64 PrivilegeLevelIsValide:1; ///< Bit58, The pl field of the
///< cache_check parameter is
///< valid.
UINT64 McCorrected:1; ///< Bit59, Machine check corrected: This bit
///< is set to one to indicate that the machine
///< check has been corrected.
UINT64 TargetAddressIsValid:1; ///< Bit60, Target address is valid:
///< This bit is set to one to
///< indicate that a valid target
///< address has been logged.
UINT64 RequesterIdentifier:1; ///< Bit61, Requester identifier: This
///< bit is set to one to indicate that
///< a valid requester identifier has
///< been logged.
UINT64 ResponserIdentifier:1; ///< Bit62, Responder identifier: This
///< bit is set to one to indicate that
///< a valid responder identifier has
///< been logged.
UINT64 PreciseInsPointer:1; ///< Bit63, Precise instruction pointer.
///< This bit is set to one to indicate
///< that a valid precise instruction
///< pointer has been logged.
} PAL_CACHE_CHECK_INFO;
typedef struct {
UINT64 FailedSlot:8; ///< Bit7:0, Slot number of the translation
///< register where the failure occurred.
UINT64 FailedSlotIsValid:1; ///< Bit8, The tr_slot field in the
///< TLB_check parameter is valid.
UINT64 Reserved1 :1;
UINT64 TlbLevel:2; ///< Bit11:10, The level of the TLB where the
///< error occurred. A value of 0 indicates the
///< first level of TLB
UINT64 Reserved2 :4;
UINT64 FailedInDataTr:1; ///< Bit16, Error occurred in the data
///< translation registers.
UINT64 FailedInInsTr:1; ///< Bit17, Error occurred in the instruction
///< translation registers
UINT64 FailedInDataTc:1; ///< Bit18, Error occurred in data
///< translation cache.
UINT64 FailedInInsTc:1; ///< Bit19, Error occurred in the instruction
///< translation cache.
UINT64 FailedOperation:4; ///< Bit23:20, Type of cache operation that
///< caused the machine check: 0 - unknown
///< 1 - TLB access due to load instruction
///< 2 - TLB access due to store
///< instruction 3 - TLB access due to
///< instruction fetch or instruction
///< prefetch 4 - TLB access due to data
///< prefetch (both hardware and software)
///< 5 - TLB shoot down access 6 - TLB
///< probe instruction (probe, tpa) 7 -
///< move in (VHPT fill) 8 - purge (insert
///< operation that purges entries or a TLB
///< purge instruction) All other values
///< are reserved.
UINT64 Reserved3:30;
UINT64 InstructionSet:1; ///< Bit54, Instruction set. If this value
///< is set to zero, the instruction that
///< generated the machine check was an
///< Intel Itanium instruction. If this bit
///< is set to one, the instruction that
///< generated the machine check was IA-32
///< instruction.
UINT64 InstructionSetIsValid:1; ///< Bit55, The is field in the
///< TLB_check parameter is valid.
UINT64 PrivelegeLevel:2; ///< Bit57:56, Privilege level. The
///< privilege level of the instruction
///< bundle responsible for generating the
///< machine check.
UINT64 PrivelegeLevelIsValid:1; ///< Bit58, The pl field of the
///< TLB_check parameter is valid.
UINT64 McCorrected:1; ///< Bit59, Machine check corrected: This bit
///< is set to one to indicate that the machine
///< check has been corrected.
UINT64 TargetAddressIsValid:1; ///< Bit60, Target address is valid:
///< This bit is set to one to
///< indicate that a valid target
///< address has been logged.
UINT64 RequesterIdentifier:1; ///< Bit61 Requester identifier: This
///< bit is set to one to indicate that
///< a valid requester identifier has
///< been logged.
UINT64 ResponserIdentifier:1; ///< Bit62, Responder identifier: This
///< bit is set to one to indicate that
///< a valid responder identifier has
///< been logged.
UINT64 PreciseInsPointer:1; ///< Bit63 Precise instruction pointer.
///< This bit is set to one to indicate
///< that a valid precise instruction
///< pointer has been logged.
} PAL_TLB_CHECK_INFO;
/**
PAL Procedure - PAL_MC_ERROR_INFO.
Return Processor Machine Check Information and Processor
Static State for logging by SAL. It is required by Itanium processors. The
PAL procedure supports the Static Registers calling
convention. It could be called at physical and virtual mode.
@param Index Index of PAL_MC_ERROR_INFO within the list of PAL
procedures.
@param InfoIndex Unsigned 64-bit integer identifying the
error information that is being requested.
See PAL_MC_ERROR_INFO.InfoIndex.
@param LevelIndex 8-byte formatted value identifying the
structure to return error information
on. See PAL_MC_ERROR_INFO_LEVEL_INDEX.
@param ErrorTypeIndex Unsigned 64-bit integer denoting the
type of error information that is
being requested for the structure
identified in LevelIndex.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -6 Argument was valid, but no error
information was available
@return R9 Error information returned. The format of this
value is dependant on the input values passed.
@return R10 If this value is zero, all the error information
specified by err_type_index has been returned. If
this value is one, more structure-specific error
information is available and the caller needs to
make this procedure call again with level_index
unchanged and err_type_index, incremented.
**/
#define PAL_MC_ERROR_INFO 25
/**
PAL Procedure - PAL_MC_EXPECTED.
Set/Reset Expected Machine Check Indicator. It is required by
Itanium processors. The PAL procedure supports the Static Registers calling
convention. It could be called at physical mode.
@param Index Index of PAL_MC_EXPECTED within the list of PAL
procedures.
@param Expected Unsigned integer with a value of 0 or 1 to
set or reset the hardware resource
PALE_CHECK examines for expected machine
checks.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned integer denoting whether a machine check
was previously expected.
**/
#define PAL_MC_EXPECTED 23
/**
PAL Procedure - PAL_MC_REGISTER_MEM.
Register min-state save area with PAL for machine checks and
inits. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_MC_REGISTER_MEM within the list of PAL
procedures.
@param Address Physical address of the buffer to be
registered with PAL.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_MC_REGISTER_MEM 27
/**
PAL Procedure - PAL_MC_RESUME.
Restore minimal architected state and return to interrupted
process. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_MC_RESUME within the list of PAL
procedures.
@param SetCmci Unsigned 64 bit integer denoting whether to
set the CMC interrupt. A value of 0 indicates
not to set the interrupt, a value of 1
indicated to set the interrupt, and all other
values are reserved.
@param SavePtr Physical address of min-state save area used
to used to restore processor state.
@param NewContext Unsigned 64-bit integer denoting whether
the caller is returning to a new context.
A value of 0 indicates the caller is
returning to the interrupted context, a
value of 1 indicates that the caller is
returning to a new context.
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_MC_RESUME 26
/**
PAL Procedure - PAL_HALT.
Enter the low-power HALT state or an implementation-dependent
low-power state. It is optinal. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_HALT within the list of PAL
procedures.
@param HaltState Unsigned 64-bit integer denoting low power
state requested.
@param IoDetailPtr 8-byte aligned physical address pointer to
information on the type of I/O
(load/store) requested.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Value returned if a load instruction is requested
in the io_detail_ptr
**/
#define PAL_HALT 28
/**
PAL Procedure - PAL_HALT_INFO.
Return the low power capabilities of the processor. It is
required by Itanium processors. The PAL procedure supports the
Stacked Registers calling convention. It could be called at
physical and virtual mode.
@param Index Index of PAL_HALT_INFO within the list of PAL
procedures.
@param PowerBuffer 64-bit pointer to a 64-byte buffer aligned
on an 8-byte boundary.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_HALT_INFO 257
/**
PAL Procedure - PAL_HALT_LIGHT.
Enter the low power LIGHT HALT state. It is required by
Itanium processors. The PAL procedure supports the Static Registers calling
convention. It could be called at physical and virtual mode.
@param Index Index of PAL_HALT_LIGHT within the list of PAL
procedures.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_HALT_LIGHT 29
/**
PAL Procedure - PAL_CACHE_LINE_INIT.
Initialize tags and data of a cache line for processor
testing. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical and virtual mode.
@param Index Index of PAL_CACHE_LINE_INIT within the list of PAL
procedures.
@param Address Unsigned 64-bit integer value denoting the
physical address from which the physical page
number is to be generated. The address must be
an implemented physical address, bit 63 must
be zero.
@param DataValue 64-bit data value which is used to
initialize the cache line.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_CACHE_LINE_INIT 31
/**
PAL Procedure - PAL_CACHE_READ.
Read tag and data of a cache line for diagnostic testing. It
is optional. The PAL procedure supports the
Satcked Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_CACHE_READ within the list of PAL
procedures.
@param LineId 8-byte formatted value describing where in the
cache to read the data.
@param Address 64-bit 8-byte aligned physical address from
which to read the data. The address must be an
implemented physical address on the processor
model with bit 63 set to zero.
@retval 1 The word at address was found in the
cache, but the line was invalid.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -5 The word at address was not found in the
cache.
@retval -7 The operation requested is not supported
for this cache_type and level.
@return R9 Right-justified value returned from the cache
line.
@return R10 The number of bits returned in data.
@return R11 The status of the cache line.
**/
#define PAL_CACHE_READ 259
/**
PAL Procedure - PAL_CACHE_WRITE.
Write tag and data of a cache for diagnostic testing. It is
optional. The PAL procedure supports the Satcked Registers
calling convention. It could be called at physical mode.
@param Index Index of PAL_CACHE_WRITE within the list of PAL
procedures.
@param LineId 8-byte formatted value describing where in the
cache to write the data.
@param Address 64-bit 8-byte aligned physical address at
which the data should be written. The address
must be an implemented physical address on the
processor model with bit 63 set to 0.
@param Data Unsigned 64-bit integer value to write into
the specified part of the cache.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -7 The operation requested is not supported
for this cache_type and level.
**/
#define PAL_CACHE_WRITE 260
/**
PAL Procedure - PAL_TEST_INFO.
Returns alignment and size requirements needed for the memory
buffer passed to the PAL_TEST_PROC procedure as well as
information on self-test control words for the processor self
tests. It is required by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_TEST_INFO within the list of PAL
procedures.
@param TestPhase Unsigned integer that specifies which phase
of the processor self-test information is
being requested on. A value of 0 indicates
the phase two of the processor self-test and
a value of 1 indicates phase one of the
processor self-test. All other values are
reserved.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned 64-bit integer denoting the number of
bytes of main memory needed to perform the second
phase of processor self-test.
@return R10 Unsigned 64-bit integer denoting the alignment
required for the memory buffer.
@return R11 48-bit wide bit-field indicating if control of
the processor self-tests is supported and which
bits of the test_control field are defined for
use.
**/
#define PAL_TEST_INFO 37
typedef struct {
UINT64 BufferSize:56; ///< Indicates the size in bytes of the memory
///< buffer that is passed to this procedure.
///< BufferSize must be greater than or equal in
///< size to the bytes_needed return value from
///< PAL_TEST_INFO, otherwise this procedure will
///< return with an invalid argument return
///< value.
UINT64 TestPhase:8; ///< Defines which phase of the processor
///< self-tests are requested to be run. A value
///< of zero indicates to run phase two of the
///< processor self-tests. Phase two of the
///< processor self-tests are ones that require
///< external memory to execute correctly. A
///< value of one indicates to run phase one of
///< the processor self-tests. Phase one of the
///< processor self-tests are tests run during
///< PALE_RESET and do not depend on external
///< memory to run correctly. When the caller
///< requests to have phase one of the processor
///< self-test run via this procedure call, a
///< memory buffer may be needed to save and
///< restore state as required by the PAL calling
///< conventions. The procedure PAL_TEST_INFO
///< informs the caller about the requirements of
///< the memory buffer.
} PAL_TEST_INFO_INFO;
typedef struct {
UINT64 TestControl:47; ///< This is an ordered implementation-specific
///< control word that allows the user control
///< over the length and runtime of the
///< processor self-tests. This control word is
///< ordered from the longest running tests up
///< to the shortest running tests with bit 0
///< controlling the longest running test. PAL
///< may not implement all 47-bits of the
///< test_control word. PAL communicates if a
///< bit provides control by placing a zero in
///< that bit. If a bit provides no control,
///< PAL will place a one in it. PAL will have
///< two sets of test_control bits for the two
///< phases of the processor self-test. PAL
///< provides information about implemented
///< test_control bits at the hand-off from PAL
///< to SAL for the firmware recovery check.
///< These test_control bits provide control
///< for phase one of processor self-test. It
///< also provides this information via the PAL
///< procedure call PAL_TEST_INFO for both the
///< phase one and phase two processor tests
///< depending on which information the caller
///< is requesting. PAL interprets these bits
///< as input parameters on two occasions. The
///< first time is when SAL passes control back
///< to PAL after the firmware recovery check.
///< The second time is when a call to
///< PAL_TEST_PROC is made. When PAL interprets
///< these bits it will only interpret
///< implemented test_control bits and will
///< ignore the values located in the
///< unimplemented test_control bits. PAL
///< interprets the implemented bits such that
///< if a bit contains a zero, this indicates
///< to run the test. If a bit contains a one,
///< this indicates to PAL to skip the test. If
///< the cs bit indicates that control is not
///< available, the test_control bits will be
///< ignored or generate an illegal argument in
///< procedure calls if the caller sets these
///< bits.
UINT64 ControlSupport:1; ///< This bit defines if an implementation
///< supports control of the PAL self-tests
///< via the self-test control word. If
///< this bit is 0, the implementation does
///< not support control of the processor
///< self-tests via the self-test control
///< word. If this bit is 1, the
///< implementation does support control of
///< the processor self-tests via the
///< self-test control word. If control is
///< not supported, GR37 will be ignored at
///< the hand-off between SAL and PAL after
///< the firmware recovery check and the
///< PAL procedures related to the
///< processor self-tests may return
///< illegal arguments if a user tries to
///< use the self-test control features.
UINT64 Reserved:16;
} PAL_SELF_TEST_CONTROL;
typedef struct {
UINT64 Attributes:8; ///< Specifies the memory attributes that are
///< allowed to be used with the memory buffer
///< passed to this procedure. The attributes
///< parameter is a vector where each bit
///< represents one of the virtual memory
///< attributes defined by the architecture.See
///< MEMORY_AATRIBUTES. The caller is required
///< to support the cacheable attribute for the
///< memory buffer, otherwise an invalid
///< argument will be returned.
UINT64 Reserved:8;
UINT64 TestControl:48; ///< Is the self-test control word
///< corresponding to the test_phase passed.
///< This test_control directs the coverage and
///< runtime of the processor self-tests
///< specified by the test_phase input
///< argument. Information on if this
///< feature is implemented and the number of
///< bits supported can be obtained by the
///< PAL_TEST_INFO procedure call. If this
///< feature is implemented by the processor,
///< the caller can selectively skip parts of
///< the processor self-test by setting
///< test_control bits to a one. If a bit has a
///< zero, this test will be run. The values in
///< the unimplemented bits are ignored. If
///< PAL_TEST_INFO indicated that the self-test
///< control word is not implemented, this
///< procedure will return with an invalid
///< argument status if the caller sets any of
///< the test_control bits. See
///< PAL_SELF_TEST_CONTROL.
} PAL_TEST_CONTROL;
/**
PAL Procedure - PAL_TEST_PROC.
Perform late processor self test. It is required by Itanium processors. The
PAL procedure supports the Static Registers calling
convention. It could be called at physical mode.
@param Index Index of PAL_TEST_PROC within the list of PAL
procedures.
@param TestAddress 64-bit physical address of main memory
area to be used by processor self-test.
The memory region passed must be
cacheable, bit 63 must be zero.
@param TestInfo Input argument specifying the size of the
memory buffer passed and the phase of the
processor self-test that should be run. See
PAL_TEST_INFO.
@param TestParam Input argument specifying the self-test
control word and the allowable memory
attributes that can be used with the memory
buffer. See PAL_TEST_CONTROL.
@retval 1 Call completed without error, but hardware
failures occurred during self-test.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Formatted 8-byte value denoting the state of the
processor after self-test
**/
#define PAL_TEST_PROC 258
typedef struct {
UINT32 NumberOfInterruptControllers; ///< Number of interrupt
///< controllers currently
///< enabled on the system.
UINT32 NumberOfProcessors; ///< Number of processors currently
///< enabled on the system.
} PAL_PLATFORM_INFO;
/**
PAL Procedure - PAL_COPY_INFO.
Return information needed to relocate PAL procedures and PAL
PMI code to memory. It is required by Itanium processors. The PAL procedure
supports the Static Registers calling convention. It could be
called at physical mode.
@param Index Index of PAL_COPY_INFO within the list of PAL
procedures.
@param CopyType Unsigned integer denoting type of procedures
for which copy information is requested.
@param PlatformInfo 8-byte formatted value describing the
number of processors and the number of
interrupt controllers currently enabled
on the system. See PAL_PLATFORM_INFO.
@param McaProcStateInfo Unsigned integer denoting the number
of bytes that SAL needs for the
min-state save area for each
processor.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned integer denoting the number of bytes of
PAL information that must be copied to main
memory.
@return R10 Unsigned integer denoting the starting alignment
of the data to be copied.
**/
#define PAL_COPY_INFO 30
/**
PAL Procedure - PAL_COPY_PAL.
Relocate PAL procedures and PAL PMI code to memory. It is
required by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at physical
mode.
@param Index Index of PAL_COPY_PAL within the list of PAL
procedures.
@param TargetAddress Physical address of a memory buffer to
copy relocatable PAL procedures and PAL
PMI code.
@param AllocSize Unsigned integer denoting the size of the
buffer passed by SAL for the copy operation.
@param CopyOption Unsigned integer indicating whether
relocatable PAL code and PAL PMI code
should be copied from firmware address
space to main memory.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned integer denoting the offset of PAL_PROC
in the relocatable segment copied.
**/
#define PAL_COPY_PAL 256
/**
PAL Procedure - PAL_ENTER_IA_32_ENV.
Enter IA-32 System environment. It is optional. The PAL
procedure supports the Static Registers calling convention.
It could be called at physical mode.
Note: Since this is a special call, it does not follow the PAL
static register calling convention. GR28 contains the index of
PAL_ENTER_IA_32_ENV within the list of PAL procedures. All other
input arguments including GR29-GR31 are setup by SAL to values
as required by the IA-32 operating system defined in Table
11-67. The registers that are designated as preserved, scratch,
input arguments and procedure return values by the static
procedure calling convention are not followed by this call. For
instance, GR5 and GR6 need not be preserved since these are
regarded as scratch by the IA-32 operating system. Note: In an
MP system, this call must be COMPLETED on the first CPU to enter
the IA-32 System Environment (may or may not be the BSP) prior
to being called on the remaining processors in the MP system.
@param Index GR28 contains the index of the
PAL_ENTER_IA_32_ENV call within the list of PAL
procedures.
@retval The status is returned in GR4.
-1 - Un-implemented procedure 0 JMPE detected
at privilege level
0 - 1 SAL allocated buffer for IA-32 System
Environment operation is too small
2 - IA-32 Firmware Checksum Error
3 - SAL allocated buffer for IA-32 System
Environment operation is not properly aligned
4 - Error in SAL MP Info Table
5 - Error in SAL Memory Descriptor Table
6 - Error in SAL System Table
7 - Inconsistent IA-32 state
8 - IA-32 Firmware Internal Error
9 - IA-32 Soft Reset (Note: remaining register
state is undefined for this termination
reason)
10 - Machine Check Error
11 - Error in SAL I/O Intercept Table
12 - Processor exit due to other processor in
MP system terminating the IA32 system
environment. (Note: remaining register state
is undefined for this termination reason.)
13 - Itanium architecture-based state
corruption by either SAL PMI handler or I/O
Intercept callback function.
**/
#define PAL_ENTER_IA_32_ENV 33
/**
PAL Procedure - PAL_PMI_ENTRYPOINT.
Register PMI memory entrypoints with processor. It is required
by Itanium processors. The PAL procedure supports the Stacked Registers
calling convention. It could be called at physical mode.
@param Index Index of PAL_PMI_ENTRYPOINT within the list of
PAL procedures.
@param SalPmiEntry 256-byte aligned physical address of SAL
PMI entrypoint in memory.
@retval 0 Call completed without error
@retval -2 Invalid argument
@retval -3 Call completed with error.
**/
#define PAL_PMI_ENTRYPOINT 32
/**
The ASCII brand identification string will be copied to the
address specified in the address input argument. The processor
brand identification string is defined to be a maximum of 128
characters long; 127 bytes will contain characters and the 128th
byte is defined to be NULL (0). A processor may return less than
the 127 ASCII characters as long as the string is null
terminated. The string length will be placed in the brand_info
return argument.
**/
#define PAL_BRAND_INFO_ID_REQUEST 0
/**
PAL Procedure - PAL_BRAND_INFO.
Provides processor branding information. It is optional by
Itanium processors. The PAL procedure supports the Stacked Registers calling
convention. It could be called at physical and Virtual mode.
@param Index Index of PAL_BRAND_INFO within the list of PAL
procedures.
@param InfoRequest Unsigned 64-bit integer specifying the
information that is being requested. (See
PAL_BRAND_INFO_ID_REQUEST)
@param Address Unsigned 64-bit integer specifying the
address of the 128-byte block to which the
processor brand string shall be written.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -6 Input argument is not implemented.
@return R9 Brand information returned. The format of this
value is dependent on the input values passed.
**/
#define PAL_BRAND_INFO 274
/**
PAL Procedure - PAL_GET_HW_POLICY.
Returns the current hardware resource sharing policy of the
processor. It is optional by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called at
physical and Virtual mode.
@param Index Index of PAL_GET_HW_POLICY within the list of PAL
procedures.
@param ProcessorNumber Unsigned 64-bit integer that specifies
for which logical processor
information is being requested. This
input argument must be zero for the
first call to this procedure and can
be a maximum value of one less than
the number of logical processors
impacted by the hardware resource
sharing policy, which is returned by
the R10 return value.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
@return R9 Unsigned 64-bit integer representing the current
hardware resource sharing policy.
@return R10 Unsigned 64-bit integer that returns the number
of logical processors impacted by the policy
input argument.
@return R11 Unsigned 64-bit integer containing the logical
address of one of the logical processors
impacted by policy modification.
**/
#define PAL_GET_HW_POLICY 48
//
// Value of PAL_SET_HW_POLICY.Policy
//
#define PAL_SET_HW_POLICY_PERFORMANCE 0
#define PAL_SET_HW_POLICY_FAIRNESS 1
#define PAL_SET_HW_POLICY_HIGH_PRIORITY 2
#define PAL_SET_HW_POLICY_EXCLUSIVE_HIGH_PRIORITY 3
/**
PAL Procedure - PAL_SET_HW_POLICY.
Sets the current hardware resource sharing policy of the
processor. It is optional by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called at
physical and Virtual mode.
@param Index Index of PAL_SET_HW_POLICY within the list of PAL
procedures.
@param Policy Unsigned 64-bit integer specifying the hardware
resource sharing policy the caller is setting.
See Value of PAL_SET_HW_POLICY.Policy above.
@retval 1 Call completed successfully but could not
change the hardware policy since a
competing logical processor is set in
exclusive high priority.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_SET_HW_POLICY 49
typedef struct {
UINT64 Mode:3; ///< Bit2:0, Indicates the mode of operation for this
///< procedure: 0 - Query mode 1 - Error inject mode
///< (err_inj should also be specified) 2 - Cancel
///< outstanding trigger. All other fields in
///< PAL_MC_ERROR_TYPE_INFO,
///< PAL_MC_ERROR_STRUCTURE_INFO and
///< PAL_MC_ERROR_DATA_BUFFER are ignored. All other
///< values are reserved.
UINT64 ErrorInjection:3; ///< Bit5:3, indicates the mode of error
///< injection: 0 - Error inject only (no
///< error consumption) 1 - Error inject
///< and consume All other values are
///< reserved.
UINT64 ErrorSeverity:2; ///< Bit7:6, indicates the severity desired
///< for error injection/query. Definitions
///< of the different error severity types
///< 0 - Corrected error 1 - Recoverable
///< error 2 - Fatal error 3 - Reserved
UINT64 ErrorStructure:5; ///< Bit12:8, Indicates the structure
///< identification for error
///< injection/query: 0 - Any structure
///< (cannot be used during query mode).
///< When selected, the structure type used
///< for error injection is determined by
///< PAL. 1 - Cache 2 - TLB 3 - Register
///< file 4 - Bus/System interconnect 5-15
///< - Reserved 16-31 - Processor
///< specific error injection
///< capabilities.ErrorDataBuffer is used
///< to specify error types. Please refer
///< to the processor specific
///< documentation for additional details.
UINT64 StructureHierarchy:3; ///< Bit15:13, Indicates the structure
///< hierarchy for error
///< injection/query: 0 - Any level of
///< hierarchy (cannot be used during
///< query mode). When selected, the
///< structure hierarchy used for error
///< injection is determined by PAL. 1
///< - Error structure hierarchy
///< level-1 2 - Error structure
///< hierarchy level-2 3 - Error
///< structure hierarchy level-3 4 -
///< Error structure hierarchy level-4
///< All other values are reserved.
UINT64 Reserved:32; ///< Reserved 47:16 Reserved
UINT64 ImplSpec:16; ///< Bit63:48, Processor specific error injection capabilities.
} PAL_MC_ERROR_TYPE_INFO;
typedef struct {
UINT64 StructInfoIsValid:1; ///< Bit0 When 1, indicates that the
///< structure information fields
///< (c_t,cl_p,cl_id) are valid and
///< should be used for error injection.
///< When 0, the structure information
///< fields are ignored, and the values
///< of these fields used for error
///< injection are
///< implementation-specific.
UINT64 CacheType:2; ///< Bit2:1 Indicates which cache should be used
///< for error injection: 0 - Reserved 1 -
///< Instruction cache 2 - Data or unified cache
///< 3 - Reserved
UINT64 PortionOfCacheLine:3; ///< Bit5:3 Indicates the portion of the
///< cache line where the error should
///< be injected: 0 - Reserved 1 - Tag
///< 2 - Data 3 - mesi All other
///< values are reserved.
UINT64 Mechanism:3; ///< Bit8:6 Indicates which mechanism is used to
///< identify the cache line to be used for error
///< injection: 0 - Reserved 1 - Virtual address
///< provided in the inj_addr field of the buffer
///< pointed to by err_data_buffer should be used
///< to identify the cache line for error
///< injection. 2 - Physical address provided in
///< the inj_addr field of the buffer pointed to
///< by err_data_buffershould be used to identify
///< the cache line for error injection. 3 - way
///< and index fields provided in err_data_buffer
///< should be used to identify the cache line
///< for error injection. All other values are
///< reserved.
UINT64 DataPoisonOfCacheLine:1; ///< Bit9 When 1, indicates that a
///< multiple bit, non-correctable
///< error should be injected in the
///< cache line specified by cl_id.
///< If this injected error is not
///< consumed, it may eventually
///< cause a data-poisoning event
///< resulting in a corrected error
///< signal, when the associated
///< cache line is cast out (implicit
///< or explicit write-back of the
///< cache line). The error severity
///< specified by err_sev in
///< err_type_info must be set to 0
///< (corrected error) when this bit
///< is set.
UINT64 Reserved1:22;
UINT64 TrigerInfoIsValid:1; ///< Bit32 When 1, indicates that the
///< trigger information fields (trigger,
///< trigger_pl) are valid and should be
///< used for error injection. When 0,
///< the trigger information fields are
///< ignored and error injection is
///< performed immediately.
UINT64 Triger:4; ///< Bit36:33 Indicates the operation type to be
///< used as the error trigger condition. The
///< address corresponding to the trigger is
///< specified in the trigger_addr field of the
///< buffer pointed to by err_data_buffer: 0 -
///< Instruction memory access. The trigger match
///< conditions for this operation type are similar
///< to the IBR address breakpoint match conditions
///< 1 - Data memory access. The trigger match
///< conditions for this operation type are similar
///< to the DBR address breakpoint match conditions
///< All other values are reserved.
UINT64 PrivilegeOfTriger:3; ///< Bit39:37 Indicates the privilege
///< level of the context during which
///< the error should be injected: 0 -
///< privilege level 0 1 - privilege
///< level 1 2 - privilege level 2 3 -
///< privilege level 3 All other values
///< are reserved. If the implementation
///< does not support privilege level
///< qualifier for triggers (i.e. if
///< trigger_pl is 0 in the capabilities
///< vector), this field is ignored and
///< triggers can be taken at any
///< privilege level.
UINT64 Reserved2:24;
} PAL_MC_ERROR_STRUCT_INFO;
/**
Buffer Pointed to by err_data_buffer - TLB
**/
typedef struct {
UINT64 TrigerAddress;
UINT64 VirtualPageNumber:52;
UINT64 Reserved1:8;
UINT64 RegionId:24;
UINT64 Reserved2:40;
} PAL_MC_ERROR_DATA_BUFFER_TLB;
/**
PAL Procedure - PAL_MC_ERROR_INJECT.
Injects the requested processor error or returns information
on the supported injection capabilities for this particular
processor implementation. It is optional by Itanium processors. The PAL
procedure supports the Stacked Registers calling convention.
It could be called at physical and Virtual mode.
@param Index Index of PAL_MC_ERROR_INJECT within the list of PAL
procedures.
@param ErrorTypeInfo Unsigned 64-bit integer specifying the
first level error information which
identifies the error structure and
corresponding structure hierarchy, and
the error severity.
@param ErrorStructInfo Unsigned 64-bit integer identifying
the optional structure specific
information that provides the second
level details for the requested error.
@param ErrorDataBuffer 64-bit physical address of a buffer
providing additional parameters for
the requested error. The address of
this buffer must be 8-byte aligned.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -4 Call completed with error; the requested
error could not be injected due to failure in
locating the target location in the specified
structure.
@retval -5 Argument was valid, but requested error
injection capability is not supported.
@retval -9 Call requires PAL memory buffer.
@return R9 64-bit vector specifying the supported error
injection capabilities for the input argument
combination of struct_hier, err_struct and
err_sev fields in ErrorTypeInfo.
@return R10 64-bit vector specifying the architectural
resources that are used by the procedure.
**/
#define PAL_MC_ERROR_INJECT 276
//
// Types of PAL_GET_PSTATE.Type
//
#define PAL_GET_PSTATE_RECENT 0
#define PAL_GET_PSTATE_AVERAGE_NEW_START 1
#define PAL_GET_PSTATE_AVERAGE 2
#define PAL_GET_PSTATE_NOW 3
/**
PAL Procedure - PAL_GET_PSTATE.
Returns the performance index of the processor. It is optional
by Itanium processors. The PAL procedure supports the Stacked Registers
calling convention. It could be called at physical and Virtual
mode.
@param Index Index of PAL_GET_PSTATE within the list of PAL
procedures.
@param Type Type of performance_index value to be returned
by this procedure.See PAL_GET_PSTATE.Type above.
@retval 1 Call completed without error, but accuracy
of performance index has been impacted by a
thermal throttling event, or a
hardware-initiated event.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
@return R9 Unsigned integer denoting the processor
performance for the time duration since the last
PAL_GET_PSTATE procedure call was made. The
value returned is between 0 and 100, and is
relative to the performance index of the highest
available P-state.
**/
#define PAL_GET_PSTATE 262
/**
Layout of PAL_PSTATE_INFO.PStateBuffer
**/
typedef struct {
UINT32 PerformanceIndex:7;
UINT32 Reserved1:5;
UINT32 TypicalPowerDissipation:20;
UINT32 TransitionLatency1;
UINT32 TransitionLatency2;
UINT32 Reserved2;
} PAL_PSTATE_INFO_BUFFER;
/**
PAL Procedure - PAL_PSTATE_INFO.
Returns information about the P-states supported by the
processor. It is optional by Itanium processors. The PAL procedure supports
the Static Registers calling convention. It could be called
at physical and Virtual mode.
@param Index Index of PAL_PSTATE_INFO within the list of PAL
procedures.
@param PStateBuffer 64-bit pointer to a 256-byte buffer
aligned on an 8-byte boundary. See
PAL_PSTATE_INFO_BUFFER above.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@return R9 Unsigned integer denoting the number of P-states
supported. The maximum value of this field is 16.
@return R10 Dependency domain information
**/
#define PAL_PSTATE_INFO 44
/**
PAL Procedure - PAL_SET_PSTATE.
To request a processor transition to a given P-state. It is
optional by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at physical
and Virtual mode.
@param Index Index of PAL_SET_PSTATE within the list of PAL
procedures.
@param PState Unsigned integer denoting the processor
P-state being requested.
@param ForcePState Unsigned integer denoting whether the
P-state change should be forced for the
logical processor.
@retval 1 Call completed without error, but
transition request was not accepted
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_SET_PSTATE 263
/**
PAL Procedure - PAL_SHUTDOWN.
Put the logical processor into a low power state which can be
exited only by a reset event. It is optional by Itanium processors. The PAL
procedure supports the Static Registers calling convention. It
could be called at physical mode.
@param Index Index of PAL_SHUTDOWN within the list of PAL
procedures.
@param NotifyPlatform 8-byte aligned physical address
pointer providing details on how to
optionally notify the platform that
the processor is entering a shutdown
state.
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_SHUTDOWN 45
/**
Layout of PAL_MEMORY_BUFFER.ControlWord
**/
typedef struct {
UINT64 Registration:1;
UINT64 ProbeInterrupt:1;
UINT64 Reserved:62;
} PAL_MEMORY_CONTROL_WORD;
/**
PAL Procedure - PAL_MEMORY_BUFFER.
Provides cacheable memory to PAL for exclusive use during
runtime. It is optional by Itanium processors. The PAL procedure supports the
Static Registers calling convention. It could be called at
physical mode.
@param Index Index of PAL_MEMORY_BUFFER within the list of PAL
procedures.
@param BaseAddress Physical address of the memory buffer
allocated for PAL use.
@param AllocSize Unsigned integer denoting the size of the
memory buffer.
@param ControlWord Formatted bit vector that provides control
options for this procedure. See
PAL_MEMORY_CONTROL_WORD above.
@retval 1 Call has not completed a buffer relocation
due to a pending interrupt
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
@return R9 Returns the minimum size of the memory buffer
required if the alloc_size input argument was
not large enough.
**/
#define PAL_MEMORY_BUFFER 277
/**
PAL Procedure - PAL_VP_CREATE.
Initializes a new vpd for the operation of a new virtual
processor in the virtual environment. It is optional by Itanium processors.
The PAL procedure supports the Stacked Registers calling
convention. It could be called at Virtual mode.
@param Index Index of PAL_VP_CREATE within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD).
@param HostIva 64-bit host virtual pointer to the host IVT
for the virtual processor
@param OptionalHandler 64-bit non-zero host-virtual pointer
to an optional handler for
virtualization intercepts.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_CREATE 265
/**
Virtual Environment Information Parameter
**/
typedef struct {
UINT64 Reserved1:8;
UINT64 Opcode:1;
UINT64 Reserved:53;
} PAL_VP_ENV_INFO_RETURN;
/**
PAL Procedure - PAL_VP_ENV_INFO.
Returns the parameters needed to enter a virtual environment.
It is optional by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at Virtual
mode.
@param Index Index of PAL_VP_ENV_INFO within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD).
@param HostIva 64-bit host virtual pointer to the host IVT
for the virtual processor
@param OptionalHandler 64-bit non-zero host-virtual pointer
to an optional handler for
virtualization intercepts.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
@return R9 Unsigned integer denoting the number of bytes
required by the PAL virtual environment buffer
during PAL_VP_INIT_ENV
@return R10 64-bit vector of virtual environment
information. See PAL_VP_ENV_INFO_RETURN.
**/
#define PAL_VP_ENV_INFO 266
/**
PAL Procedure - PAL_VP_EXIT_ENV.
Allows a logical processor to exit a virtual environment.
It is optional by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at Virtual
mode.
@param Index Index of PAL_VP_EXIT_ENV within the list of PAL
procedures.
@param Iva Optional 64-bit host virtual pointer to the IVT
when this procedure is done
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_EXIT_ENV 267
/**
PAL Procedure - PAL_VP_INIT_ENV.
Allows a logical processor to enter a virtual environment. It
is optional by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at Virtual
mode.
@param Index Index of PAL_VP_INIT_ENV within the list of PAL
procedures.
@param ConfigOptions 64-bit vector of global configuration
settings.
@param PhysicalBase Host physical base address of a block of
contiguous physical memory for the PAL
virtual environment buffer 1) This
memory area must be allocated by the VMM
and be 4K aligned. The first logical
processor to enter the environment will
initialize the physical block for
virtualization operations.
@param VirtualBase Host virtual base address of the
corresponding physical memory block for
the PAL virtual environment buffer : The
VMM must maintain the host virtual to host
physical data and instruction translations
in TRs for addresses within the allocated
address space. Logical processors in this
virtual environment will use this address
when transitioning to virtual mode
operations.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
@return R9 Virtualization Service Address - VSA specifies
the virtual base address of the PAL
virtualization services in this virtual
environment.
**/
#define PAL_VP_INIT_ENV 268
/**
PAL Procedure - PAL_VP_REGISTER.
Register a different host IVT and/or a different optional
virtualization intercept handler for the virtual processor
specified by vpd. It is optional by Itanium processors. The PAL procedure
supports the Stacked Registers calling convention. It could be
called at Virtual mode.
@param Index Index of PAL_VP_REGISTER within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD) host_iva 64-bit host
virtual pointer to the host IVT for the virtual
processor
@param OptionalHandler 64-bit non-zero host-virtual pointer
to an optional handler for
virtualization intercepts.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_REGISTER 269
/**
PAL Procedure - PAL_VP_RESTORE.
Restores virtual processor state for the specified vpd on the
logical processor. It is optional by Itanium processors. The PAL procedure
supports the Stacked Registers calling convention. It could be
called at Virtual mode.
@param Index Index of PAL_VP_RESTORE within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD) host_iva 64-bit host
virtual pointer to the host IVT for the virtual
processor
@param PalVector Vector specifies PAL procedure
implementation-specific state to be
restored.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_RESTORE 270
/**
PAL Procedure - PAL_VP_SAVE.
Saves virtual processor state for the specified vpd on the
logical processor. It is optional by Itanium processors. The PAL procedure
supports the Stacked Registers calling convention. It could be
called at Virtual mode.
@param Index Index of PAL_VP_SAVE within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD) host_iva 64-bit host
virtual pointer to the host IVT for the virtual
processor
@param PalVector Vector specifies PAL procedure
implementation-specific state to be
restored.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_SAVE 271
/**
PAL Procedure - PAL_VP_TERMINATE.
Terminates operation for the specified virtual processor. It
is optional by Itanium processors. The PAL procedure supports the Stacked
Registers calling convention. It could be called at Virtual
mode.
@param Index Index of PAL_VP_TERMINATE within the list of PAL
procedures.
@param Vpd 64-bit host virtual pointer to the Virtual
Processor Descriptor (VPD)
@param Iva Optional 64-bit host virtual pointer to the IVT
when this procedure is done.
@retval 0 Call completed without error
@retval -1 Unimplemented procedure
@retval -2 Invalid argument
@retval -3 Call completed with error.
@retval -9 Call requires PAL memory buffer.
**/
#define PAL_VP_TERMINATE 272
#endif
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