pal.h
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上传日期:2013-04-10
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- #ifndef _ASM_IA64_PAL_H
- #define _ASM_IA64_PAL_H
- /*
- * Processor Abstraction Layer definitions.
- *
- * This is based on Intel IA-64 Architecture Software Developer's Manual rev 1.0
- * chapter 11 IA-64 Processor Abstraction Layer
- *
- * Copyright (C) 1998-2001 Hewlett-Packard Co
- * David Mosberger-Tang <davidm@hpl.hp.com>
- * Stephane Eranian <eranian@hpl.hp.com>
- * Copyright (C) 1999 VA Linux Systems
- * Copyright (C) 1999 Walt Drummond <drummond@valinux.com>
- * Copyright (C) 1999 Srinivasa Prasad Thirumalachar <sprasad@sprasad.engr.sgi.com>
- *
- * 99/10/01 davidm Make sure we pass zero for reserved parameters.
- * 00/03/07 davidm Updated pal_cache_flush() to be in sync with PAL v2.6.
- * 00/03/23 cfleck Modified processor min-state save area to match updated PAL & SAL info
- * 00/05/24 eranian Updated to latest PAL spec, fix structures bugs, added
- * 00/05/25 eranian Support for stack calls, and static physical calls
- * 00/06/18 eranian Support for stacked physical calls
- */
- /*
- * Note that some of these calls use a static-register only calling
- * convention which has nothing to do with the regular calling
- * convention.
- */
- #define PAL_CACHE_FLUSH 1 /* flush i/d cache */
- #define PAL_CACHE_INFO 2 /* get detailed i/d cache info */
- #define PAL_CACHE_INIT 3 /* initialize i/d cache */
- #define PAL_CACHE_SUMMARY 4 /* get summary of cache heirarchy */
- #define PAL_MEM_ATTRIB 5 /* list supported memory attributes */
- #define PAL_PTCE_INFO 6 /* purge TLB info */
- #define PAL_VM_INFO 7 /* return supported virtual memory features */
- #define PAL_VM_SUMMARY 8 /* return summary on supported vm features */
- #define PAL_BUS_GET_FEATURES 9 /* return processor bus interface features settings */
- #define PAL_BUS_SET_FEATURES 10 /* set processor bus features */
- #define PAL_DEBUG_INFO 11 /* get number of debug registers */
- #define PAL_FIXED_ADDR 12 /* get fixed component of processors's directed address */
- #define PAL_FREQ_BASE 13 /* base frequency of the platform */
- #define PAL_FREQ_RATIOS 14 /* ratio of processor, bus and ITC frequency */
- #define PAL_PERF_MON_INFO 15 /* return performance monitor info */
- #define PAL_PLATFORM_ADDR 16 /* set processor interrupt block and IO port space addr */
- #define PAL_PROC_GET_FEATURES 17 /* get configurable processor features & settings */
- #define PAL_PROC_SET_FEATURES 18 /* enable/disable configurable processor features */
- #define PAL_RSE_INFO 19 /* return rse information */
- #define PAL_VERSION 20 /* return version of PAL code */
- #define PAL_MC_CLEAR_LOG 21 /* clear all processor log info */
- #define PAL_MC_DRAIN 22 /* drain operations which could result in an MCA */
- #define PAL_MC_EXPECTED 23 /* set/reset expected MCA indicator */
- #define PAL_MC_DYNAMIC_STATE 24 /* get processor dynamic state */
- #define PAL_MC_ERROR_INFO 25 /* get processor MCA info and static state */
- #define PAL_MC_RESUME 26 /* Return to interrupted process */
- #define PAL_MC_REGISTER_MEM 27 /* Register memory for PAL to use during MCAs and inits */
- #define PAL_HALT 28 /* enter the low power HALT state */
- #define PAL_HALT_LIGHT 29 /* enter the low power light halt state*/
- #define PAL_COPY_INFO 30 /* returns info needed to relocate PAL */
- #define PAL_CACHE_LINE_INIT 31 /* init tags & data of cache line */
- #define PAL_PMI_ENTRYPOINT 32 /* register PMI memory entry points with the processor */
- #define PAL_ENTER_IA_32_ENV 33 /* enter IA-32 system environment */
- #define PAL_VM_PAGE_SIZE 34 /* return vm TC and page walker page sizes */
- #define PAL_MEM_FOR_TEST 37 /* get amount of memory needed for late processor test */
- #define PAL_CACHE_PROT_INFO 38 /* get i/d cache protection info */
- #define PAL_REGISTER_INFO 39 /* return AR and CR register information*/
- #define PAL_SHUTDOWN 40 /* enter processor shutdown state */
- #define PAL_PREFETCH_VISIBILITY 41
- #define PAL_COPY_PAL 256 /* relocate PAL procedures and PAL PMI */
- #define PAL_HALT_INFO 257 /* return the low power capabilities of processor */
- #define PAL_TEST_PROC 258 /* perform late processor self-test */
- #define PAL_CACHE_READ 259 /* read tag & data of cacheline for diagnostic testing */
- #define PAL_CACHE_WRITE 260 /* write tag & data of cacheline for diagnostic testing */
- #define PAL_VM_TR_READ 261 /* read contents of translation register */
- #ifndef __ASSEMBLY__
- #include <linux/types.h>
- /*
- * Data types needed to pass information into PAL procedures and
- * interpret information returned by them.
- */
- /* Return status from the PAL procedure */
- typedef s64 pal_status_t;
- #define PAL_STATUS_SUCCESS 0 /* No error */
- #define PAL_STATUS_UNIMPLEMENTED (-1) /* Unimplemented procedure */
- #define PAL_STATUS_EINVAL (-2) /* Invalid argument */
- #define PAL_STATUS_ERROR (-3) /* Error */
- #define PAL_STATUS_CACHE_INIT_FAIL (-4) /* Could not initialize the
- * specified level and type of
- * cache without sideeffects
- * and "restrict" was 1
- */
- /* Processor cache level in the heirarchy */
- typedef u64 pal_cache_level_t;
- #define PAL_CACHE_LEVEL_L0 0 /* L0 */
- #define PAL_CACHE_LEVEL_L1 1 /* L1 */
- #define PAL_CACHE_LEVEL_L2 2 /* L2 */
- /* Processor cache type at a particular level in the heirarchy */
- typedef u64 pal_cache_type_t;
- #define PAL_CACHE_TYPE_INSTRUCTION 1 /* Instruction cache */
- #define PAL_CACHE_TYPE_DATA 2 /* Data or unified cache */
- #define PAL_CACHE_TYPE_INSTRUCTION_DATA 3 /* Both Data & Instruction */
- #define PAL_CACHE_FLUSH_INVALIDATE 1 /* Invalidate clean lines */
- #define PAL_CACHE_FLUSH_CHK_INTRS 2 /* check for interrupts/mc while flushing */
- /* Processor cache line size in bytes */
- typedef int pal_cache_line_size_t;
- /* Processor cache line state */
- typedef u64 pal_cache_line_state_t;
- #define PAL_CACHE_LINE_STATE_INVALID 0 /* Invalid */
- #define PAL_CACHE_LINE_STATE_SHARED 1 /* Shared */
- #define PAL_CACHE_LINE_STATE_EXCLUSIVE 2 /* Exclusive */
- #define PAL_CACHE_LINE_STATE_MODIFIED 3 /* Modified */
- typedef struct pal_freq_ratio {
- u64 den : 32, num : 32; /* numerator & denominator */
- } itc_ratio, proc_ratio;
- typedef union pal_cache_config_info_1_s {
- struct {
- u64 u : 1, /* 0 Unified cache ? */
- at : 2, /* 2-1 Cache mem attr*/
- reserved : 5, /* 7-3 Reserved */
- associativity : 8, /* 16-8 Associativity*/
- line_size : 8, /* 23-17 Line size */
- stride : 8, /* 31-24 Stride */
- store_latency : 8, /*39-32 Store latency*/
- load_latency : 8, /* 47-40 Load latency*/
- store_hints : 8, /* 55-48 Store hints*/
- load_hints : 8; /* 63-56 Load hints */
- } pcci1_bits;
- u64 pcci1_data;
- } pal_cache_config_info_1_t;
- typedef union pal_cache_config_info_2_s {
- struct {
- u64 cache_size : 32, /*cache size in bytes*/
- alias_boundary : 8, /* 39-32 aliased addr
- * separation for max
- * performance.
- */
- tag_ls_bit : 8, /* 47-40 LSb of addr*/
- tag_ms_bit : 8, /* 55-48 MSb of addr*/
- reserved : 8; /* 63-56 Reserved */
- } pcci2_bits;
- u64 pcci2_data;
- } pal_cache_config_info_2_t;
- typedef struct pal_cache_config_info_s {
- pal_status_t pcci_status;
- pal_cache_config_info_1_t pcci_info_1;
- pal_cache_config_info_2_t pcci_info_2;
- u64 pcci_reserved;
- } pal_cache_config_info_t;
- #define pcci_ld_hints pcci_info_1.pcci1_bits.load_hints
- #define pcci_st_hints pcci_info_1.pcci1_bits.store_hints
- #define pcci_ld_latency pcci_info_1.pcci1_bits.load_latency
- #define pcci_st_latency pcci_info_1.pcci1_bits.store_latency
- #define pcci_stride pcci_info_1.pcci1_bits.stride
- #define pcci_line_size pcci_info_1.pcci1_bits.line_size
- #define pcci_assoc pcci_info_1.pcci1_bits.associativity
- #define pcci_cache_attr pcci_info_1.pcci1_bits.at
- #define pcci_unified pcci_info_1.pcci1_bits.u
- #define pcci_tag_msb pcci_info_2.pcci2_bits.tag_ms_bit
- #define pcci_tag_lsb pcci_info_2.pcci2_bits.tag_ls_bit
- #define pcci_alias_boundary pcci_info_2.pcci2_bits.alias_boundary
- #define pcci_cache_size pcci_info_2.pcci2_bits.cache_size
- /* Possible values for cache attributes */
- #define PAL_CACHE_ATTR_WT 0 /* Write through cache */
- #define PAL_CACHE_ATTR_WB 1 /* Write back cache */
- #define PAL_CACHE_ATTR_WT_OR_WB 2 /* Either write thru or write
- * back depending on TLB
- * memory attributes
- */
- /* Possible values for cache hints */
- #define PAL_CACHE_HINT_TEMP_1 0 /* Temporal level 1 */
- #define PAL_CACHE_HINT_NTEMP_1 1 /* Non-temporal level 1 */
- #define PAL_CACHE_HINT_NTEMP_ALL 3 /* Non-temporal all levels */
- /* Processor cache protection information */
- typedef union pal_cache_protection_element_u {
- u32 pcpi_data;
- struct {
- u32 data_bits : 8, /* # data bits covered by
- * each unit of protection
- */
- tagprot_lsb : 6, /* Least -do- */
- tagprot_msb : 6, /* Most Sig. tag address
- * bit that this
- * protection covers.
- */
- prot_bits : 6, /* # of protection bits */
- method : 4, /* Protection method */
- t_d : 2; /* Indicates which part
- * of the cache this
- * protection encoding
- * applies.
- */
- } pcp_info;
- } pal_cache_protection_element_t;
- #define pcpi_cache_prot_part pcp_info.t_d
- #define pcpi_prot_method pcp_info.method
- #define pcpi_prot_bits pcp_info.prot_bits
- #define pcpi_tagprot_msb pcp_info.tagprot_msb
- #define pcpi_tagprot_lsb pcp_info.tagprot_lsb
- #define pcpi_data_bits pcp_info.data_bits
- /* Processor cache part encodings */
- #define PAL_CACHE_PROT_PART_DATA 0 /* Data protection */
- #define PAL_CACHE_PROT_PART_TAG 1 /* Tag protection */
- #define PAL_CACHE_PROT_PART_TAG_DATA 2 /* Tag+data protection (tag is
- * more significant )
- */
- #define PAL_CACHE_PROT_PART_DATA_TAG 3 /* Data+tag protection (data is
- * more significant )
- */
- #define PAL_CACHE_PROT_PART_MAX 6
- typedef struct pal_cache_protection_info_s {
- pal_status_t pcpi_status;
- pal_cache_protection_element_t pcp_info[PAL_CACHE_PROT_PART_MAX];
- } pal_cache_protection_info_t;
- /* Processor cache protection method encodings */
- #define PAL_CACHE_PROT_METHOD_NONE 0 /* No protection */
- #define PAL_CACHE_PROT_METHOD_ODD_PARITY 1 /* Odd parity */
- #define PAL_CACHE_PROT_METHOD_EVEN_PARITY 2 /* Even parity */
- #define PAL_CACHE_PROT_METHOD_ECC 3 /* ECC protection */
- /* Processor cache line identification in the heirarchy */
- typedef union pal_cache_line_id_u {
- u64 pclid_data;
- struct {
- u64 cache_type : 8, /* 7-0 cache type */
- level : 8, /* 15-8 level of the
- * cache in the
- * heirarchy.
- */
- way : 8, /* 23-16 way in the set
- */
- part : 8, /* 31-24 part of the
- * cache
- */
- reserved : 32; /* 63-32 is reserved*/
- } pclid_info_read;
- struct {
- u64 cache_type : 8, /* 7-0 cache type */
- level : 8, /* 15-8 level of the
- * cache in the
- * heirarchy.
- */
- way : 8, /* 23-16 way in the set
- */
- part : 8, /* 31-24 part of the
- * cache
- */
- mesi : 8, /* 39-32 cache line
- * state
- */
- start : 8, /* 47-40 lsb of data to
- * invert
- */
- length : 8, /* 55-48 #bits to
- * invert
- */
- trigger : 8; /* 63-56 Trigger error
- * by doing a load
- * after the write
- */
- } pclid_info_write;
- } pal_cache_line_id_u_t;
- #define pclid_read_part pclid_info_read.part
- #define pclid_read_way pclid_info_read.way
- #define pclid_read_level pclid_info_read.level
- #define pclid_read_cache_type pclid_info_read.cache_type
- #define pclid_write_trigger pclid_info_write.trigger
- #define pclid_write_length pclid_info_write.length
- #define pclid_write_start pclid_info_write.start
- #define pclid_write_mesi pclid_info_write.mesi
- #define pclid_write_part pclid_info_write.part
- #define pclid_write_way pclid_info_write.way
- #define pclid_write_level pclid_info_write.level
- #define pclid_write_cache_type pclid_info_write.cache_type
- /* Processor cache line part encodings */
- #define PAL_CACHE_LINE_ID_PART_DATA 0 /* Data */
- #define PAL_CACHE_LINE_ID_PART_TAG 1 /* Tag */
- #define PAL_CACHE_LINE_ID_PART_DATA_PROT 2 /* Data protection */
- #define PAL_CACHE_LINE_ID_PART_TAG_PROT 3 /* Tag protection */
- #define PAL_CACHE_LINE_ID_PART_DATA_TAG_PROT 4 /* Data+tag
- * protection
- */
- typedef struct pal_cache_line_info_s {
- pal_status_t pcli_status; /* Return status of the read cache line
- * info call.
- */
- u64 pcli_data; /* 64-bit data, tag, protection bits .. */
- u64 pcli_data_len; /* data length in bits */
- pal_cache_line_state_t pcli_cache_line_state; /* mesi state */
- } pal_cache_line_info_t;
- /* Machine Check related crap */
- /* Pending event status bits */
- typedef u64 pal_mc_pending_events_t;
- #define PAL_MC_PENDING_MCA (1 << 0)
- #define PAL_MC_PENDING_INIT (1 << 1)
- /* Error information type */
- typedef u64 pal_mc_info_index_t;
- #define PAL_MC_INFO_PROCESSOR 0 /* Processor */
- #define PAL_MC_INFO_CACHE_CHECK 1 /* Cache check */
- #define PAL_MC_INFO_TLB_CHECK 2 /* Tlb check */
- #define PAL_MC_INFO_BUS_CHECK 3 /* Bus check */
- #define PAL_MC_INFO_REQ_ADDR 4 /* Requestor address */
- #define PAL_MC_INFO_RESP_ADDR 5 /* Responder address */
- #define PAL_MC_INFO_TARGET_ADDR 6 /* Target address */
- #define PAL_MC_INFO_IMPL_DEP 7 /* Implementation
- * dependent
- */
- typedef struct pal_process_state_info_s {
- u64 reserved1 : 2,
- rz : 1, /* PAL_CHECK processor
- * rendezvous
- * successful.
- */
- ra : 1, /* PAL_CHECK attempted
- * a rendezvous.
- */
- me : 1, /* Distinct multiple
- * errors occurred
- */
- mn : 1, /* Min. state save
- * area has been
- * registered with PAL
- */
- sy : 1, /* Storage integrity
- * synched
- */
- co : 1, /* Continuable */
- ci : 1, /* MC isolated */
- us : 1, /* Uncontained storage
- * damage.
- */
- hd : 1, /* Non-essential hw
- * lost (no loss of
- * functionality)
- * causing the
- * processor to run in
- * degraded mode.
- */
- tl : 1, /* 1 => MC occurred
- * after an instr was
- * executed but before
- * the trap that
- * resulted from instr
- * execution was
- * generated.
- * (Trap Lost )
- */
- op : 3, /* Operation that
- * caused the machine
- * check
- */
- dy : 1, /* Processor dynamic
- * state valid
- */
- in : 1, /* 0 = MC, 1 = INIT */
- rs : 1, /* RSE valid */
- cm : 1, /* MC corrected */
- ex : 1, /* MC is expected */
- cr : 1, /* Control regs valid*/
- pc : 1, /* Perf cntrs valid */
- dr : 1, /* Debug regs valid */
- tr : 1, /* Translation regs
- * valid
- */
- rr : 1, /* Region regs valid */
- ar : 1, /* App regs valid */
- br : 1, /* Branch regs valid */
- pr : 1, /* Predicate registers
- * valid
- */
- fp : 1, /* fp registers valid*/
- b1 : 1, /* Preserved bank one
- * general registers
- * are valid
- */
- b0 : 1, /* Preserved bank zero
- * general registers
- * are valid
- */
- gr : 1, /* General registers
- * are valid
- * (excl. banked regs)
- */
- dsize : 16, /* size of dynamic
- * state returned
- * by the processor
- */
- reserved2 : 12,
- cc : 1, /* Cache check */
- tc : 1, /* TLB check */
- bc : 1, /* Bus check */
- uc : 1; /* Unknown check */
- } pal_processor_state_info_t;
- typedef struct pal_cache_check_info_s {
- u64 reserved1 : 16,
- way : 5, /* Way in which the
- * error occurred
- */
- reserved2 : 1,
- mc : 1, /* Machine check corrected */
- tv : 1, /* Target address
- * structure is valid
- */
- wv : 1, /* Way field valid */
- op : 3, /* Type of cache
- * operation that
- * caused the machine
- * check.
- */
- dl : 1, /* Failure in data part
- * of cache line
- */
- tl : 1, /* Failure in tag part
- * of cache line
- */
- dc : 1, /* Failure in dcache */
- ic : 1, /* Failure in icache */
- index : 24, /* Cache line index */
- mv : 1, /* mesi valid */
- mesi : 3, /* Cache line state */
- level : 4; /* Cache level */
- } pal_cache_check_info_t;
- typedef struct pal_tlb_check_info_s {
- u64 tr_slot : 8, /* Slot# of TR where
- * error occurred
- */
- reserved2 : 8,
- dtr : 1, /* Fail in data TR */
- itr : 1, /* Fail in inst TR */
- dtc : 1, /* Fail in data TC */
- itc : 1, /* Fail in inst. TC */
- mc : 1, /* Machine check corrected */
- reserved1 : 43;
- } pal_tlb_check_info_t;
- typedef struct pal_bus_check_info_s {
- u64 size : 5, /* Xaction size*/
- ib : 1, /* Internal bus error */
- eb : 1, /* External bus error */
- cc : 1, /* Error occurred
- * during cache-cache
- * transfer.
- */
- type : 8, /* Bus xaction type*/
- sev : 5, /* Bus error severity*/
- tv : 1, /* Targ addr valid */
- rp : 1, /* Resp addr valid */
- rq : 1, /* Req addr valid */
- bsi : 8, /* Bus error status
- * info
- */
- mc : 1, /* Machine check corrected */
- reserved1 : 31;
- } pal_bus_check_info_t;
- typedef union pal_mc_error_info_u {
- u64 pmei_data;
- pal_processor_state_info_t pme_processor;
- pal_cache_check_info_t pme_cache;
- pal_tlb_check_info_t pme_tlb;
- pal_bus_check_info_t pme_bus;
- } pal_mc_error_info_t;
- #define pmci_proc_unknown_check pme_processor.uc
- #define pmci_proc_bus_check pme_processor.bc
- #define pmci_proc_tlb_check pme_processor.tc
- #define pmci_proc_cache_check pme_processor.cc
- #define pmci_proc_dynamic_state_size pme_processor.dsize
- #define pmci_proc_gpr_valid pme_processor.gr
- #define pmci_proc_preserved_bank0_gpr_valid pme_processor.b0
- #define pmci_proc_preserved_bank1_gpr_valid pme_processor.b1
- #define pmci_proc_fp_valid pme_processor.fp
- #define pmci_proc_predicate_regs_valid pme_processor.pr
- #define pmci_proc_branch_regs_valid pme_processor.br
- #define pmci_proc_app_regs_valid pme_processor.ar
- #define pmci_proc_region_regs_valid pme_processor.rr
- #define pmci_proc_translation_regs_valid pme_processor.tr
- #define pmci_proc_debug_regs_valid pme_processor.dr
- #define pmci_proc_perf_counters_valid pme_processor.pc
- #define pmci_proc_control_regs_valid pme_processor.cr
- #define pmci_proc_machine_check_expected pme_processor.ex
- #define pmci_proc_machine_check_corrected pme_processor.cm
- #define pmci_proc_rse_valid pme_processor.rs
- #define pmci_proc_machine_check_or_init pme_processor.in
- #define pmci_proc_dynamic_state_valid pme_processor.dy
- #define pmci_proc_operation pme_processor.op
- #define pmci_proc_trap_lost pme_processor.tl
- #define pmci_proc_hardware_damage pme_processor.hd
- #define pmci_proc_uncontained_storage_damage pme_processor.us
- #define pmci_proc_machine_check_isolated pme_processor.ci
- #define pmci_proc_continuable pme_processor.co
- #define pmci_proc_storage_intergrity_synced pme_processor.sy
- #define pmci_proc_min_state_save_area_regd pme_processor.mn
- #define pmci_proc_distinct_multiple_errors pme_processor.me
- #define pmci_proc_pal_attempted_rendezvous pme_processor.ra
- #define pmci_proc_pal_rendezvous_complete pme_processor.rz
- #define pmci_cache_level pme_cache.level
- #define pmci_cache_line_state pme_cache.mesi
- #define pmci_cache_line_state_valid pme_cache.mv
- #define pmci_cache_line_index pme_cache.index
- #define pmci_cache_instr_cache_fail pme_cache.ic
- #define pmci_cache_data_cache_fail pme_cache.dc
- #define pmci_cache_line_tag_fail pme_cache.tl
- #define pmci_cache_line_data_fail pme_cache.dl
- #define pmci_cache_operation pme_cache.op
- #define pmci_cache_way_valid pme_cache.wv
- #define pmci_cache_target_address_valid pme_cache.tv
- #define pmci_cache_way pme_cache.way
- #define pmci_cache_mc pme_cache.mc
- #define pmci_tlb_instr_translation_cache_fail pme_tlb.itc
- #define pmci_tlb_data_translation_cache_fail pme_tlb.dtc
- #define pmci_tlb_instr_translation_reg_fail pme_tlb.itr
- #define pmci_tlb_data_translation_reg_fail pme_tlb.dtr
- #define pmci_tlb_translation_reg_slot pme_tlb.tr_slot
- #define pmci_tlb_mc pme_tlb.mc
- #define pmci_bus_status_info pme_bus.bsi
- #define pmci_bus_req_address_valid pme_bus.rq
- #define pmci_bus_resp_address_valid pme_bus.rp
- #define pmci_bus_target_address_valid pme_bus.tv
- #define pmci_bus_error_severity pme_bus.sev
- #define pmci_bus_transaction_type pme_bus.type
- #define pmci_bus_cache_cache_transfer pme_bus.cc
- #define pmci_bus_transaction_size pme_bus.size
- #define pmci_bus_internal_error pme_bus.ib
- #define pmci_bus_external_error pme_bus.eb
- #define pmci_bus_mc pme_bus.mc
- /*
- * NOTE: this min_state_save area struct only includes the 1KB
- * architectural state save area. The other 3 KB is scratch space
- * for PAL.
- */
- typedef struct pal_min_state_area_s {
- u64 pmsa_nat_bits; /* nat bits for saved GRs */
- u64 pmsa_gr[15]; /* GR1 - GR15 */
- u64 pmsa_bank0_gr[16]; /* GR16 - GR31 */
- u64 pmsa_bank1_gr[16]; /* GR16 - GR31 */
- u64 pmsa_pr; /* predicate registers */
- u64 pmsa_br0; /* branch register 0 */
- u64 pmsa_rsc; /* ar.rsc */
- u64 pmsa_iip; /* cr.iip */
- u64 pmsa_ipsr; /* cr.ipsr */
- u64 pmsa_ifs; /* cr.ifs */
- u64 pmsa_xip; /* previous iip */
- u64 pmsa_xpsr; /* previous psr */
- u64 pmsa_xfs; /* previous ifs */
- u64 pmsa_reserved[71]; /* pal_min_state_area should total to 1KB */
- } pal_min_state_area_t;
- struct ia64_pal_retval {
- /*
- * A zero status value indicates call completed without error.
- * A negative status value indicates reason of call failure.
- * A positive status value indicates success but an
- * informational value should be printed (e.g., "reboot for
- * change to take effect").
- */
- s64 status;
- u64 v0;
- u64 v1;
- u64 v2;
- };
- /*
- * Note: Currently unused PAL arguments are generally labeled
- * "reserved" so the value specified in the PAL documentation
- * (generally 0) MUST be passed. Reserved parameters are not optional
- * parameters.
- */
- extern struct ia64_pal_retval ia64_pal_call_static (u64, u64, u64, u64, u64);
- extern struct ia64_pal_retval ia64_pal_call_stacked (u64, u64, u64, u64);
- extern struct ia64_pal_retval ia64_pal_call_phys_static (u64, u64, u64, u64);
- extern struct ia64_pal_retval ia64_pal_call_phys_stacked (u64, u64, u64, u64);
- #define PAL_CALL(iprv,a0,a1,a2,a3) iprv = ia64_pal_call_static(a0, a1, a2, a3, 0)
- #define PAL_CALL_IC_OFF(iprv,a0,a1,a2,a3) iprv = ia64_pal_call_static(a0, a1, a2, a3, 1)
- #define PAL_CALL_STK(iprv,a0,a1,a2,a3) iprv = ia64_pal_call_stacked(a0, a1, a2, a3)
- #define PAL_CALL_PHYS(iprv,a0,a1,a2,a3) iprv = ia64_pal_call_phys_static(a0, a1, a2, a3)
- #define PAL_CALL_PHYS_STK(iprv,a0,a1,a2,a3) iprv = ia64_pal_call_phys_stacked(a0, a1, a2, a3)
- typedef int (*ia64_pal_handler) (u64, ...);
- extern ia64_pal_handler ia64_pal;
- extern void ia64_pal_handler_init (void *);
- extern ia64_pal_handler ia64_pal;
- extern pal_cache_config_info_t l0d_cache_config_info;
- extern pal_cache_config_info_t l0i_cache_config_info;
- extern pal_cache_config_info_t l1_cache_config_info;
- extern pal_cache_config_info_t l2_cache_config_info;
- extern pal_cache_protection_info_t l0d_cache_protection_info;
- extern pal_cache_protection_info_t l0i_cache_protection_info;
- extern pal_cache_protection_info_t l1_cache_protection_info;
- extern pal_cache_protection_info_t l2_cache_protection_info;
- extern pal_cache_config_info_t pal_cache_config_info_get(pal_cache_level_t,
- pal_cache_type_t);
- extern pal_cache_protection_info_t pal_cache_protection_info_get(pal_cache_level_t,
- pal_cache_type_t);
- extern void pal_error(int);
- /* Useful wrappers for the current list of pal procedures */
- typedef union pal_bus_features_u {
- u64 pal_bus_features_val;
- struct {
- u64 pbf_reserved1 : 29;
- u64 pbf_req_bus_parking : 1;
- u64 pbf_bus_lock_mask : 1;
- u64 pbf_enable_half_xfer_rate : 1;
- u64 pbf_reserved2 : 22;
- u64 pbf_disable_xaction_queueing : 1;
- u64 pbf_disable_resp_err_check : 1;
- u64 pbf_disable_berr_check : 1;
- u64 pbf_disable_bus_req_internal_err_signal : 1;
- u64 pbf_disable_bus_req_berr_signal : 1;
- u64 pbf_disable_bus_init_event_check : 1;
- u64 pbf_disable_bus_init_event_signal : 1;
- u64 pbf_disable_bus_addr_err_check : 1;
- u64 pbf_disable_bus_addr_err_signal : 1;
- u64 pbf_disable_bus_data_err_check : 1;
- } pal_bus_features_s;
- } pal_bus_features_u_t;
- extern void pal_bus_features_print (u64);
- /* Provide information about configurable processor bus features */
- static inline s64
- ia64_pal_bus_get_features (pal_bus_features_u_t *features_avail,
- pal_bus_features_u_t *features_status,
- pal_bus_features_u_t *features_control)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS(iprv, PAL_BUS_GET_FEATURES, 0, 0, 0);
- if (features_avail)
- features_avail->pal_bus_features_val = iprv.v0;
- if (features_status)
- features_status->pal_bus_features_val = iprv.v1;
- if (features_control)
- features_control->pal_bus_features_val = iprv.v2;
- return iprv.status;
- }
- /* Enables/disables specific processor bus features */
- static inline s64
- ia64_pal_bus_set_features (pal_bus_features_u_t feature_select)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS(iprv, PAL_BUS_SET_FEATURES, feature_select.pal_bus_features_val, 0, 0);
- return iprv.status;
- }
- /* Get detailed cache information */
- static inline s64
- ia64_pal_cache_config_info (u64 cache_level, u64 cache_type, pal_cache_config_info_t *conf)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_INFO, cache_level, cache_type, 0);
- if (iprv.status == 0) {
- conf->pcci_status = iprv.status;
- conf->pcci_info_1.pcci1_data = iprv.v0;
- conf->pcci_info_2.pcci2_data = iprv.v1;
- conf->pcci_reserved = iprv.v2;
- }
- return iprv.status;
- }
- /* Get detailed cche protection information */
- static inline s64
- ia64_pal_cache_prot_info (u64 cache_level, u64 cache_type, pal_cache_protection_info_t *prot)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_PROT_INFO, cache_level, cache_type, 0);
- if (iprv.status == 0) {
- prot->pcpi_status = iprv.status;
- prot->pcp_info[0].pcpi_data = iprv.v0 & 0xffffffff;
- prot->pcp_info[1].pcpi_data = iprv.v0 >> 32;
- prot->pcp_info[2].pcpi_data = iprv.v1 & 0xffffffff;
- prot->pcp_info[3].pcpi_data = iprv.v1 >> 32;
- prot->pcp_info[4].pcpi_data = iprv.v2 & 0xffffffff;
- prot->pcp_info[5].pcpi_data = iprv.v2 >> 32;
- }
- return iprv.status;
- }
- /*
- * Flush the processor instruction or data caches. *PROGRESS must be
- * initialized to zero before calling this for the first time..
- */
- static inline s64
- ia64_pal_cache_flush (u64 cache_type, u64 invalidate, u64 *progress, u64 *vector)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_IC_OFF(iprv, PAL_CACHE_FLUSH, cache_type, invalidate, *progress);
- if (vector)
- *vector = iprv.v0;
- *progress = iprv.v1;
- return iprv.status;
- }
- /* Initialize the processor controlled caches */
- static inline s64
- ia64_pal_cache_init (u64 level, u64 cache_type, u64 restrict)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_INIT, level, cache_type, restrict);
- return iprv.status;
- }
- /* Initialize the tags and data of a data or unified cache line of
- * processor controlled cache to known values without the availability
- * of backing memory.
- */
- static inline s64
- ia64_pal_cache_line_init (u64 physical_addr, u64 data_value)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_LINE_INIT, physical_addr, data_value, 0);
- return iprv.status;
- }
- /* Read the data and tag of a processor controlled cache line for diags */
- static inline s64
- ia64_pal_cache_read (pal_cache_line_id_u_t line_id, u64 physical_addr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_READ, line_id.pclid_data, physical_addr, 0);
- return iprv.status;
- }
- /* Return summary information about the heirarchy of caches controlled by the processor */
- static inline s64
- ia64_pal_cache_summary (u64 *cache_levels, u64 *unique_caches)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_SUMMARY, 0, 0, 0);
- if (cache_levels)
- *cache_levels = iprv.v0;
- if (unique_caches)
- *unique_caches = iprv.v1;
- return iprv.status;
- }
- /* Write the data and tag of a processor-controlled cache line for diags */
- static inline s64
- ia64_pal_cache_write (pal_cache_line_id_u_t line_id, u64 physical_addr, u64 data)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_CACHE_WRITE, line_id.pclid_data, physical_addr, data);
- return iprv.status;
- }
- /* Return the parameters needed to copy relocatable PAL procedures from ROM to memory */
- static inline s64
- ia64_pal_copy_info (u64 copy_type, u64 num_procs, u64 num_iopics,
- u64 *buffer_size, u64 *buffer_align)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_COPY_INFO, copy_type, num_procs, num_iopics);
- if (buffer_size)
- *buffer_size = iprv.v0;
- if (buffer_align)
- *buffer_align = iprv.v1;
- return iprv.status;
- }
- /* Copy relocatable PAL procedures from ROM to memory */
- static inline s64
- ia64_pal_copy_pal (u64 target_addr, u64 alloc_size, u64 processor, u64 *pal_proc_offset)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_COPY_PAL, target_addr, alloc_size, processor);
- if (pal_proc_offset)
- *pal_proc_offset = iprv.v0;
- return iprv.status;
- }
- /* Return the number of instruction and data debug register pairs */
- static inline s64
- ia64_pal_debug_info (u64 *inst_regs, u64 *data_regs)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_DEBUG_INFO, 0, 0, 0);
- if (inst_regs)
- *inst_regs = iprv.v0;
- if (data_regs)
- *data_regs = iprv.v1;
- return iprv.status;
- }
- #ifdef TBD
- /* Switch from IA64-system environment to IA-32 system environment */
- static inline s64
- ia64_pal_enter_ia32_env (ia32_env1, ia32_env2, ia32_env3)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_ENTER_IA_32_ENV, ia32_env1, ia32_env2, ia32_env3);
- return iprv.status;
- }
- #endif
- /* Get unique geographical address of this processor on its bus */
- static inline s64
- ia64_pal_fixed_addr (u64 *global_unique_addr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_FIXED_ADDR, 0, 0, 0);
- if (global_unique_addr)
- *global_unique_addr = iprv.v0;
- return iprv.status;
- }
- /* Get base frequency of the platform if generated by the processor */
- static inline s64
- ia64_pal_freq_base (u64 *platform_base_freq)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_FREQ_BASE, 0, 0, 0);
- if (platform_base_freq)
- *platform_base_freq = iprv.v0;
- return iprv.status;
- }
- /*
- * Get the ratios for processor frequency, bus frequency and interval timer to
- * to base frequency of the platform
- */
- static inline s64
- ia64_pal_freq_ratios (struct pal_freq_ratio *proc_ratio, struct pal_freq_ratio *bus_ratio,
- struct pal_freq_ratio *itc_ratio)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_FREQ_RATIOS, 0, 0, 0);
- if (proc_ratio)
- *(u64 *)proc_ratio = iprv.v0;
- if (bus_ratio)
- *(u64 *)bus_ratio = iprv.v1;
- if (itc_ratio)
- *(u64 *)itc_ratio = iprv.v2;
- return iprv.status;
- }
- /* Make the processor enter HALT or one of the implementation dependent low
- * power states where prefetching and execution are suspended and cache and
- * TLB coherency is not maintained.
- */
- static inline s64
- ia64_pal_halt (u64 halt_state)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_HALT, halt_state, 0, 0);
- return iprv.status;
- }
- typedef union pal_power_mgmt_info_u {
- u64 ppmi_data;
- struct {
- u64 exit_latency : 16,
- entry_latency : 16,
- power_consumption : 28,
- im : 1,
- co : 1,
- reserved : 2;
- } pal_power_mgmt_info_s;
- } pal_power_mgmt_info_u_t;
- /* Return information about processor's optional power management capabilities. */
- static inline s64
- ia64_pal_halt_info (pal_power_mgmt_info_u_t *power_buf)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_STK(iprv, PAL_HALT_INFO, (unsigned long) power_buf, 0, 0);
- return iprv.status;
- }
- /* Cause the processor to enter LIGHT HALT state, where prefetching and execution are
- * suspended, but cache and TLB coherency is maintained.
- */
- static inline s64
- ia64_pal_halt_light (void)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_HALT_LIGHT, 0, 0, 0);
- return iprv.status;
- }
- /* Clear all the processor error logging registers and reset the indicator that allows
- * the error logging registers to be written. This procedure also checks the pending
- * machine check bit and pending INIT bit and reports their states.
- */
- static inline s64
- ia64_pal_mc_clear_log (u64 *pending_vector)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_CLEAR_LOG, 0, 0, 0);
- if (pending_vector)
- *pending_vector = iprv.v0;
- return iprv.status;
- }
- /* Ensure that all outstanding transactions in a processor are completed or that any
- * MCA due to thes outstanding transaction is taken.
- */
- static inline s64
- ia64_pal_mc_drain (void)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_DRAIN, 0, 0, 0);
- return iprv.status;
- }
- /* Return the machine check dynamic processor state */
- static inline s64
- ia64_pal_mc_dynamic_state (u64 offset, u64 *size, u64 *pds)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_DYNAMIC_STATE, offset, 0, 0);
- if (size)
- *size = iprv.v0;
- if (pds)
- *pds = iprv.v1;
- return iprv.status;
- }
- /* Return processor machine check information */
- static inline s64
- ia64_pal_mc_error_info (u64 info_index, u64 type_index, u64 *size, u64 *error_info)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_ERROR_INFO, info_index, type_index, 0);
- if (size)
- *size = iprv.v0;
- if (error_info)
- *error_info = iprv.v1;
- return iprv.status;
- }
- /* Inform PALE_CHECK whether a machine check is expected so that PALE_CHECK willnot
- * attempt to correct any expected machine checks.
- */
- static inline s64
- ia64_pal_mc_expected (u64 expected, u64 *previous)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_EXPECTED, expected, 0, 0);
- if (previous)
- *previous = iprv.v0;
- return iprv.status;
- }
- /* Register a platform dependent location with PAL to which it can save
- * minimal processor state in the event of a machine check or initialization
- * event.
- */
- static inline s64
- ia64_pal_mc_register_mem (u64 physical_addr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_REGISTER_MEM, physical_addr, 0, 0);
- return iprv.status;
- }
- /* Restore minimal architectural processor state, set CMC interrupt if necessary
- * and resume execution
- */
- static inline s64
- ia64_pal_mc_resume (u64 set_cmci, u64 save_ptr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MC_RESUME, set_cmci, save_ptr, 0);
- return iprv.status;
- }
- /* Return the memory attributes implemented by the processor */
- static inline s64
- ia64_pal_mem_attrib (u64 *mem_attrib)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MEM_ATTRIB, 0, 0, 0);
- if (mem_attrib)
- *mem_attrib = iprv.v0 & 0xff;
- return iprv.status;
- }
- /* Return the amount of memory needed for second phase of processor
- * self-test and the required alignment of memory.
- */
- static inline s64
- ia64_pal_mem_for_test (u64 *bytes_needed, u64 *alignment)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_MEM_FOR_TEST, 0, 0, 0);
- if (bytes_needed)
- *bytes_needed = iprv.v0;
- if (alignment)
- *alignment = iprv.v1;
- return iprv.status;
- }
- typedef union pal_perf_mon_info_u {
- u64 ppmi_data;
- struct {
- u64 generic : 8,
- width : 8,
- cycles : 8,
- retired : 8,
- reserved : 32;
- } pal_perf_mon_info_s;
- } pal_perf_mon_info_u_t;
- /* Return the performance monitor information about what can be counted
- * and how to configure the monitors to count the desired events.
- */
- static inline s64
- ia64_pal_perf_mon_info (u64 *pm_buffer, pal_perf_mon_info_u_t *pm_info)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_PERF_MON_INFO, (unsigned long) pm_buffer, 0, 0);
- if (pm_info)
- pm_info->ppmi_data = iprv.v0;
- return iprv.status;
- }
- /* Specifies the physical address of the processor interrupt block
- * and I/O port space.
- */
- static inline s64
- ia64_pal_platform_addr (u64 type, u64 physical_addr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_PLATFORM_ADDR, type, physical_addr, 0);
- return iprv.status;
- }
- /* Set the SAL PMI entrypoint in memory */
- static inline s64
- ia64_pal_pmi_entrypoint (u64 sal_pmi_entry_addr)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_PMI_ENTRYPOINT, sal_pmi_entry_addr, 0, 0);
- return iprv.status;
- }
- struct pal_features_s;
- /* Provide information about configurable processor features */
- static inline s64
- ia64_pal_proc_get_features (u64 *features_avail,
- u64 *features_status,
- u64 *features_control)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS(iprv, PAL_PROC_GET_FEATURES, 0, 0, 0);
- if (iprv.status == 0) {
- *features_avail = iprv.v0;
- *features_status = iprv.v1;
- *features_control = iprv.v2;
- }
- return iprv.status;
- }
- /* Enable/disable processor dependent features */
- static inline s64
- ia64_pal_proc_set_features (u64 feature_select)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS(iprv, PAL_PROC_SET_FEATURES, feature_select, 0, 0);
- return iprv.status;
- }
- /*
- * Put everything in a struct so we avoid the global offset table whenever
- * possible.
- */
- typedef struct ia64_ptce_info_s {
- u64 base;
- u32 count[2];
- u32 stride[2];
- } ia64_ptce_info_t;
- /* Return the information required for the architected loop used to purge
- * (initialize) the entire TC
- */
- static inline s64
- ia64_get_ptce (ia64_ptce_info_t *ptce)
- {
- struct ia64_pal_retval iprv;
- if (!ptce)
- return -1;
- PAL_CALL(iprv, PAL_PTCE_INFO, 0, 0, 0);
- if (iprv.status == 0) {
- ptce->base = iprv.v0;
- ptce->count[0] = iprv.v1 >> 32;
- ptce->count[1] = iprv.v1 & 0xffffffff;
- ptce->stride[0] = iprv.v2 >> 32;
- ptce->stride[1] = iprv.v2 & 0xffffffff;
- }
- return iprv.status;
- }
- /* Return info about implemented application and control registers. */
- static inline s64
- ia64_pal_register_info (u64 info_request, u64 *reg_info_1, u64 *reg_info_2)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_REGISTER_INFO, info_request, 0, 0);
- if (reg_info_1)
- *reg_info_1 = iprv.v0;
- if (reg_info_2)
- *reg_info_2 = iprv.v1;
- return iprv.status;
- }
- typedef union pal_hints_u {
- u64 ph_data;
- struct {
- u64 si : 1,
- li : 1,
- reserved : 62;
- } pal_hints_s;
- } pal_hints_u_t;
- /* Return information about the register stack and RSE for this processor
- * implementation.
- */
- static inline s64
- ia64_pal_rse_info (u64 *num_phys_stacked, pal_hints_u_t *hints)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_RSE_INFO, 0, 0, 0);
- if (num_phys_stacked)
- *num_phys_stacked = iprv.v0;
- if (hints)
- hints->ph_data = iprv.v1;
- return iprv.status;
- }
- /* Cause the processor to enter SHUTDOWN state, where prefetching and execution are
- * suspended, but cause cache and TLB coherency to be maintained.
- * This is usually called in IA-32 mode.
- */
- static inline s64
- ia64_pal_shutdown (void)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_SHUTDOWN, 0, 0, 0);
- return iprv.status;
- }
- /* Perform the second phase of processor self-test. */
- static inline s64
- ia64_pal_test_proc (u64 test_addr, u64 test_size, u64 attributes, u64 *self_test_state)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_TEST_PROC, test_addr, test_size, attributes);
- if (self_test_state)
- *self_test_state = iprv.v0;
- return iprv.status;
- }
- typedef union pal_version_u {
- u64 pal_version_val;
- struct {
- u64 pv_pal_b_rev : 8;
- u64 pv_pal_b_model : 8;
- u64 pv_reserved1 : 8;
- u64 pv_pal_vendor : 8;
- u64 pv_pal_a_rev : 8;
- u64 pv_pal_a_model : 8;
- u64 pv_reserved2 : 16;
- } pal_version_s;
- } pal_version_u_t;
- /* Return PAL version information */
- static inline s64
- ia64_pal_version (pal_version_u_t *pal_min_version, pal_version_u_t *pal_cur_version)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS(iprv, PAL_VERSION, 0, 0, 0);
- if (pal_min_version)
- pal_min_version->pal_version_val = iprv.v0;
- if (pal_cur_version)
- pal_cur_version->pal_version_val = iprv.v1;
- return iprv.status;
- }
- typedef union pal_tc_info_u {
- u64 pti_val;
- struct {
- u64 num_sets : 8,
- associativity : 8,
- num_entries : 16,
- pf : 1,
- unified : 1,
- reduce_tr : 1,
- reserved : 29;
- } pal_tc_info_s;
- } pal_tc_info_u_t;
- #define tc_reduce_tr pal_tc_info_s.reduce_tr
- #define tc_unified pal_tc_info_s.unified
- #define tc_pf pal_tc_info_s.pf
- #define tc_num_entries pal_tc_info_s.num_entries
- #define tc_associativity pal_tc_info_s.associativity
- #define tc_num_sets pal_tc_info_s.num_sets
- /* Return information about the virtual memory characteristics of the processor
- * implementation.
- */
- static inline s64
- ia64_pal_vm_info (u64 tc_level, u64 tc_type, pal_tc_info_u_t *tc_info, u64 *tc_pages)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_VM_INFO, tc_level, tc_type, 0);
- if (tc_info)
- tc_info->pti_val = iprv.v0;
- if (tc_pages)
- *tc_pages = iprv.v1;
- return iprv.status;
- }
- /* Get page size information about the virtual memory characteristics of the processor
- * implementation.
- */
- static inline s64
- ia64_pal_vm_page_size (u64 *tr_pages, u64 *vw_pages)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_VM_PAGE_SIZE, 0, 0, 0);
- if (tr_pages)
- *tr_pages = iprv.v0;
- if (vw_pages)
- *vw_pages = iprv.v1;
- return iprv.status;
- }
- typedef union pal_vm_info_1_u {
- u64 pvi1_val;
- struct {
- u64 vw : 1,
- phys_add_size : 7,
- key_size : 8,
- max_pkr : 8,
- hash_tag_id : 8,
- max_dtr_entry : 8,
- max_itr_entry : 8,
- max_unique_tcs : 8,
- num_tc_levels : 8;
- } pal_vm_info_1_s;
- } pal_vm_info_1_u_t;
- typedef union pal_vm_info_2_u {
- u64 pvi2_val;
- struct {
- u64 impl_va_msb : 8,
- rid_size : 8,
- reserved : 48;
- } pal_vm_info_2_s;
- } pal_vm_info_2_u_t;
- /* Get summary information about the virtual memory characteristics of the processor
- * implementation.
- */
- static inline s64
- ia64_pal_vm_summary (pal_vm_info_1_u_t *vm_info_1, pal_vm_info_2_u_t *vm_info_2)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_VM_SUMMARY, 0, 0, 0);
- if (vm_info_1)
- vm_info_1->pvi1_val = iprv.v0;
- if (vm_info_2)
- vm_info_2->pvi2_val = iprv.v1;
- return iprv.status;
- }
- typedef union pal_itr_valid_u {
- u64 piv_val;
- struct {
- u64 access_rights_valid : 1,
- priv_level_valid : 1,
- dirty_bit_valid : 1,
- mem_attr_valid : 1,
- reserved : 60;
- } pal_tr_valid_s;
- } pal_tr_valid_u_t;
- /* Read a translation register */
- static inline s64
- ia64_pal_tr_read (u64 reg_num, u64 tr_type, u64 *tr_buffer, pal_tr_valid_u_t *tr_valid)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL_PHYS_STK(iprv, PAL_VM_TR_READ, reg_num, tr_type,(u64)__pa(tr_buffer));
- if (tr_valid)
- tr_valid->piv_val = iprv.v0;
- return iprv.status;
- }
- static inline s64
- ia64_pal_prefetch_visibility (void)
- {
- struct ia64_pal_retval iprv;
- PAL_CALL(iprv, PAL_PREFETCH_VISIBILITY, 0, 0, 0);
- return iprv.status;
- }
- #endif /* __ASSEMBLY__ */
- #endif /* _ASM_IA64_PAL_H */