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diff --git a/system/alpha/palcode/ev5_defs.h b/system/alpha/palcode/ev5_defs.h
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+++ b/system/alpha/palcode/ev5_defs.h
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+#ifndef EV5_DEFS_INCLUDED
+#define EV5_DEFS_INCLUDED 1
+
+// adapted from the version emailed to lance..pb Nov/95
+
+
+// ********************************************************************************************************************************
+//  Created 25-JUL-1995 14:21:23 by VAX SDL V3.2-12     Source: 21-JUL-1995 11:03:08 EV5$:[EV5.DVT.SUP]EV5_DEFS.SDL;24
+// ********************************************************************************************************************************
+
+//	.MACRO	$EV5DEF,..EQU=<=>,..COL=<:>
+// EV5$K_REVISION'..equ'34
+//  In the definitions below, registers are annotated with one of the following
+//  symbols:
+//
+//       RW - The register may be read and written
+//   	RO - The register may only be read
+//   	WO - The register may only be written
+//
+//  For RO and WO registers, all bits and fields within the register are also
+//  read-only or write-only.  For RW registers, each bit or field within
+//  the register is annotated with one of the following:
+//
+//   	RW - The bit/field may be read and written
+//   	RO - The bit/field may be read; writes are ignored
+//   	WO - The bit/field may be written; reads return an UNPREDICTABLE result.
+//   	WZ - The bit/field may be written; reads return a 0
+//   	WC - The bit/field may be read; writes cause state to clear
+//   	RC - The bit/field may be read, which also causes state to clear; writes are ignored
+//  Architecturally-defined (SRM) registers for EVMS
+#define pt0 320
+#define pt1 321
+#define pt2 322
+#define pt3 323
+#define pt4 324
+#define pt5 325
+#define pt6 326
+#define pt7 327
+#define pt8 328
+#define pt9 329
+#define pt10 330
+#define pt11 331
+#define pt12 332
+#define pt13 333
+#define pt14 334
+#define pt15 335
+#define pt16 336
+#define pt17 337
+#define pt18 338
+#define pt19 339
+#define pt20 340
+#define pt21 341
+#define pt22 342
+#define pt23 343
+#define cbox_ipr_offset 16777200
+#define sc_ctl 168
+#define sc_stat 232
+#define sc_addr 392
+#define sc_addr_nm 392
+#define sc_addr_fhm 392
+#define bc_ctl 296
+#define bc_config 456
+#define ei_stat 360
+#define ei_addr 328
+#define fill_syn 104
+#define bc_tag_addr 264
+#define ld_lock 488
+#define aster 266
+#define astrr 265
+#define exc_addr 267
+#define exc_sum 268
+#define exc_mask 269
+#define hwint_clr 277
+#define ic_flush_ctl 281
+#define icperr_stat 282
+#define ic_perr_stat 282
+#define ic_row_map 283
+#define icsr 280
+#define ifault_va_form 274
+#define intid 273
+#define ipl 272
+#define isr 256
+#define itb_is 263
+#define itb_asn 259
+#define itb_ia 261
+#define itb_iap 262
+#define itb_pte 258
+#define itb_pte_temp 260
+#define itb_tag 257
+#define ivptbr 275
+#define pal_base 270
+#define pmctr 284
+// this is not the register ps .. pb #define ps 271
+#define sirr 264
+#define sl_txmit 278
+#define sl_rcv 279
+#define alt_mode 524
+#define cc 525
+#define cc_ctl 526
+#define dc_flush 528
+#define dcperr_stat 530
+#define dc_test_ctl 531
+#define dc_test_tag 532
+#define dc_test_tag_temp 533
+#define dtb_asn 512
+#define dtb_cm 513
+#define dtb_ia 522
+#define dtb_iap 521
+#define dtb_is 523
+#define dtb_pte 515
+#define dtb_pte_temp 516
+#define dtb_tag 514
+#define mcsr 527
+#define dc_mode 534
+#define maf_mode 535
+#define mm_stat 517
+#define mvptbr 520
+#define va 518
+#define va_form 519
+#define ev5_srm__ps 0
+#define ev5_srm__pc 0
+#define ev5_srm__asten 0
+#define ev5_srm__astsr 0
+#define ev5_srm__ipir 0
+#define ev5_srm__ipl 0
+#define ev5_srm__mces 0
+#define ev5_srm__pcbb 0
+#define ev5_srm__prbr 0
+#define ev5_srm__ptbr 0
+#define ev5_srm__scbb 0
+#define ev5_srm__sirr 0
+#define ev5_srm__sisr 0
+#define ev5_srm__tbchk 0
+#define ev5_srm__tb1a 0
+#define ev5_srm__tb1ap 0
+#define ev5_srm__tb1ad 0
+#define ev5_srm__tb1ai 0
+#define ev5_srm__tbis 0
+#define ev5_srm__ksp 0
+#define ev5_srm__esp 0
+#define ev5_srm__ssp 0
+#define ev5_srm__usp 0
+#define ev5_srm__vptb 0
+#define ev5_srm__whami 0
+#define ev5_srm__cc 0
+#define ev5_srm__unq 0
+//  processor-specific iprs.
+#define ev5__sc_ctl 168
+#define ev5__sc_stat 232
+#define ev5__sc_addr 392
+#define ev5__bc_ctl 296
+#define ev5__bc_config 456
+#define bc_config_k_size_1mb 1
+#define bc_config_k_size_2mb 2
+#define bc_config_k_size_4mb 3
+#define bc_config_k_size_8mb 4
+#define bc_config_k_size_16mb 5
+#define bc_config_k_size_32mb 6
+#define bc_config_k_size_64mb 7
+#define ev5__ei_stat 360
+#define ev5__ei_addr 328
+#define ev5__fill_syn 104
+#define ev5__bc_tag_addr 264
+#define ev5__aster 266
+#define ev5__astrr 265
+#define ev5__exc_addr 267
+#define exc_addr_v_pa 2
+#define exc_addr_s_pa 62
+#define ev5__exc_sum 268
+#define ev5__exc_mask 269
+#define ev5__hwint_clr 277
+#define ev5__ic_flush_ctl 281
+#define ev5__icperr_stat 282
+#define ev5__ic_perr_stat 282
+#define ev5__ic_row_map 283
+#define ev5__icsr 280
+#define ev5__ifault_va_form 274
+#define ev5__ifault_va_form_nt 274
+#define ifault_va_form_nt_v_vptb 30
+#define ifault_va_form_nt_s_vptb 34
+#define ev5__intid 273
+#define ev5__ipl 272
+#define ev5__itb_is 263
+#define ev5__itb_asn 259
+#define ev5__itb_ia 261
+#define ev5__itb_iap 262
+#define ev5__itb_pte 258
+#define ev5__itb_pte_temp 260
+#define ev5__itb_tag 257
+#define ev5__ivptbr 275
+#define ivptbr_v_vptb 30
+#define ivptbr_s_vptb 34
+#define ev5__pal_base 270
+#define ev5__pmctr 284
+#define ev5__ps 271
+#define ev5__isr 256
+#define ev5__sirr 264
+#define ev5__sl_txmit 278
+#define ev5__sl_rcv 279
+#define ev5__alt_mode 524
+#define ev5__cc 525
+#define ev5__cc_ctl 526
+#define ev5__dc_flush 528
+#define ev5__dcperr_stat 530
+#define ev5__dc_test_ctl 531
+#define ev5__dc_test_tag 532
+#define ev5__dc_test_tag_temp 533
+#define ev5__dtb_asn 512
+#define ev5__dtb_cm 513
+#define ev5__dtb_ia 522
+#define ev5__dtb_iap 521
+#define ev5__dtb_is 523
+#define ev5__dtb_pte 515
+#define ev5__dtb_pte_temp 516
+#define ev5__dtb_tag 514
+#define ev5__mcsr 527
+#define ev5__dc_mode 534
+#define ev5__maf_mode 535
+#define ev5__mm_stat 517
+#define ev5__mvptbr 520
+#define ev5__va 518
+#define ev5__va_form 519
+#define ev5__va_form_nt 519
+#define va_form_nt_s_va 19
+#define va_form_nt_v_vptb 30
+#define va_form_nt_s_vptb 34
+#define ev5s_ev5_def 10
+#define ev5_def 0
+//  cbox registers.
+#define sc_ctl_v_sc_fhit 0
+#define sc_ctl_v_sc_flush 1
+#define sc_ctl_s_sc_tag_stat 6
+#define sc_ctl_v_sc_tag_stat 2
+#define sc_ctl_s_sc_fb_dp 4
+#define sc_ctl_v_sc_fb_dp 8
+#define sc_ctl_v_sc_blk_size 12
+#define sc_ctl_s_sc_set_en 3
+#define sc_ctl_v_sc_set_en 13
+#define sc_ctl_s_sc_soft_repair 3
+#define sc_ctl_v_sc_soft_repair 16
+#define sc_stat_s_sc_tperr 3
+#define sc_stat_v_sc_tperr 0
+#define sc_stat_s_sc_dperr 8
+#define sc_stat_v_sc_dperr 3
+#define sc_stat_s_cbox_cmd 5
+#define sc_stat_v_cbox_cmd 11
+#define sc_stat_v_sc_scnd_err 16
+#define sc_addr_fhm_v_sc_tag_parity 4
+#define sc_addr_fhm_s_tag_stat_sb0 3
+#define sc_addr_fhm_v_tag_stat_sb0 5
+#define sc_addr_fhm_s_tag_stat_sb1 3
+#define sc_addr_fhm_v_tag_stat_sb1 8
+#define sc_addr_fhm_s_ow_mod0 2
+#define sc_addr_fhm_v_ow_mod0 11
+#define sc_addr_fhm_s_ow_mod1 2
+#define sc_addr_fhm_v_ow_mod1 13
+#define sc_addr_fhm_s_tag_lo 17
+#define sc_addr_fhm_v_tag_lo 15
+#define sc_addr_fhm_s_tag_hi 7
+#define sc_addr_fhm_v_tag_hi 32
+#define bc_ctl_v_bc_enabled 0
+#define bc_ctl_v_alloc_cyc 1
+#define bc_ctl_v_ei_opt_cmd 2
+#define bc_ctl_v_ei_opt_cmd_mb 3
+#define bc_ctl_v_corr_fill_dat 4
+#define bc_ctl_v_vtm_first 5
+#define bc_ctl_v_ei_ecc_or_parity 6
+#define bc_ctl_v_bc_fhit 7
+#define bc_ctl_s_bc_tag_stat 5
+#define bc_ctl_v_bc_tag_stat 8
+#define bc_ctl_s_bc_bad_dat 2
+#define bc_ctl_v_bc_bad_dat 13
+#define bc_ctl_v_ei_dis_err 15
+#define bc_ctl_v_tl_pipe_latch 16
+#define bc_ctl_s_bc_wave_pipe 2
+#define bc_ctl_v_bc_wave_pipe 17
+#define bc_ctl_s_pm_mux_sel 6
+#define bc_ctl_v_pm_mux_sel 19
+#define bc_ctl_v_dbg_mux_sel 25
+#define bc_ctl_v_dis_baf_byp 26
+#define bc_ctl_v_dis_sc_vic_buf 27
+#define bc_ctl_v_dis_sys_addr_par 28
+#define bc_ctl_v_read_dirty_cln_shr 29
+#define bc_ctl_v_write_read_bubble 30
+#define bc_ctl_v_bc_wave_pipe_2 31
+#define bc_ctl_v_auto_dack 32
+#define bc_ctl_v_dis_byte_word 33
+#define bc_ctl_v_stclk_delay 34
+#define bc_ctl_v_write_under_miss 35
+#define bc_config_s_bc_size 3
+#define bc_config_v_bc_size 0
+#define bc_config_s_bc_rd_spd 4
+#define bc_config_v_bc_rd_spd 4
+#define bc_config_s_bc_wr_spd 4
+#define bc_config_v_bc_wr_spd 8
+#define bc_config_s_bc_rd_wr_spc 3
+#define bc_config_v_bc_rd_wr_spc 12
+#define bc_config_s_fill_we_offset 3
+#define bc_config_v_fill_we_offset 16
+#define bc_config_s_bc_we_ctl 9
+#define bc_config_v_bc_we_ctl 20
+//  cbox registers, continued
+#define ei_stat_s_sys_id 4
+#define ei_stat_v_sys_id 24
+#define ei_stat_v_bc_tperr 28
+#define ei_stat_v_bc_tc_perr 29
+#define ei_stat_v_ei_es 30
+#define ei_stat_v_cor_ecc_err 31
+#define ei_stat_v_unc_ecc_err 32
+#define ei_stat_v_ei_par_err 33
+#define ei_stat_v_fil_ird 34
+#define ei_stat_v_seo_hrd_err 35
+//
+#define bc_tag_addr_v_hit 12
+#define bc_tag_addr_v_tagctl_p 13
+#define bc_tag_addr_v_tagctl_d 14
+#define bc_tag_addr_v_tagctl_s 15
+#define bc_tag_addr_v_tagctl_v 16
+#define bc_tag_addr_v_tag_p 17
+#define bc_tag_addr_s_bc_tag 19
+#define bc_tag_addr_v_bc_tag 20
+//  ibox and icache registers.
+#define aster_v_kar 0
+#define aster_v_ear 1
+#define aster_v_sar 2
+#define aster_v_uar 3
+#define astrr_v_kar 0
+#define astrr_v_ear 1
+#define astrr_v_sar 2
+#define astrr_v_uar 3
+#define exc_addr_v_pal 0
+#define exc_sum_v_swc 10
+#define exc_sum_v_inv 11
+#define exc_sum_v_dze 12
+#define exc_sum_v_fov 13
+#define exc_sum_v_unf 14
+#define exc_sum_v_ine 15
+#define exc_sum_v_iov 16
+#define hwint_clr_v_pc0c 27
+#define hwint_clr_v_pc1c 28
+#define hwint_clr_v_pc2c 29
+#define hwint_clr_v_crdc 32
+#define hwint_clr_v_slc 33
+//  ibox and icache registers, continued
+#define icperr_stat_v_dpe 11
+#define icperr_stat_v_tpe 12
+#define icperr_stat_v_tmr 13
+#define ic_perr_stat_v_dpe 11
+#define ic_perr_stat_v_tpe 12
+#define ic_perr_stat_v_tmr 13
+#define icsr_v_pma 8
+#define icsr_v_pmp 9
+#define icsr_v_byt 17
+#define icsr_v_fmp 18
+#define icsr_v_im0 20
+#define icsr_v_im1 21
+#define icsr_v_im2 22
+#define icsr_v_im3 23
+#define icsr_v_tmm 24
+#define icsr_v_tmd 25
+#define icsr_v_fpe 26
+#define icsr_v_hwe 27
+#define icsr_s_spe 2
+#define icsr_v_spe 28
+#define icsr_v_sde 30
+#define icsr_v_crde 32
+#define icsr_v_sle 33
+#define icsr_v_fms 34
+#define icsr_v_fbt 35
+#define icsr_v_fbd 36
+#define icsr_v_dbs 37
+#define icsr_v_ista 38
+#define icsr_v_tst 39
+#define ifault_va_form_s_va 30
+#define ifault_va_form_v_va 3
+#define ifault_va_form_s_vptb 31
+#define ifault_va_form_v_vptb 33
+#define ifault_va_form_nt_s_va 19
+#define ifault_va_form_nt_v_va 3
+#define intid_s_intid 5
+#define intid_v_intid 0
+//  ibox and icache registers, continued
+#define ipl_s_ipl 5
+#define ipl_v_ipl 0
+#define itb_is_s_va 30
+#define itb_is_v_va 13
+#define itb_asn_s_asn 7
+#define itb_asn_v_asn 4
+#define itb_pte_v_asm 4
+#define itb_pte_s_gh 2
+#define itb_pte_v_gh 5
+#define itb_pte_v_kre 8
+#define itb_pte_v_ere 9
+#define itb_pte_v_sre 10
+#define itb_pte_v_ure 11
+#define itb_pte_s_pfn 27
+#define itb_pte_v_pfn 32
+#define itb_pte_temp_v_asm 13
+#define itb_pte_temp_v_kre 18
+#define itb_pte_temp_v_ere 19
+#define itb_pte_temp_v_sre 20
+#define itb_pte_temp_v_ure 21
+#define itb_pte_temp_s_gh 3
+#define itb_pte_temp_v_gh 29
+#define itb_pte_temp_s_pfn 27
+#define itb_pte_temp_v_pfn 32
+//  ibox and icache registers, continued
+#define itb_tag_s_va 30
+#define itb_tag_v_va 13
+#define pal_base_s_pal_base 26
+#define pal_base_v_pal_base 14
+#define pmctr_s_sel2 4
+#define pmctr_v_sel2 0
+#define pmctr_s_sel1 4
+#define pmctr_v_sel1 4
+#define pmctr_v_killk 8
+#define pmctr_v_killp 9
+#define pmctr_s_ctl2 2
+#define pmctr_v_ctl2 10
+#define pmctr_s_ctl1 2
+#define pmctr_v_ctl1 12
+#define pmctr_s_ctl0 2
+#define pmctr_v_ctl0 14
+#define pmctr_s_ctr2 14
+#define pmctr_v_ctr2 16
+#define pmctr_v_killu 30
+#define pmctr_v_sel0 31
+#define pmctr_s_ctr1 16
+#define pmctr_v_ctr1 32
+#define pmctr_s_ctr0 16
+#define pmctr_v_ctr0 48
+#define ps_v_cm0 3
+#define ps_v_cm1 4
+#define isr_s_astrr 4
+#define isr_v_astrr 0
+#define isr_s_sisr 15
+#define isr_v_sisr 4
+#define isr_v_atr 19
+#define isr_v_i20 20
+#define isr_v_i21 21
+#define isr_v_i22 22
+#define isr_v_i23 23
+#define isr_v_pc0 27
+#define isr_v_pc1 28
+#define isr_v_pc2 29
+#define isr_v_pfl 30
+#define isr_v_mck 31
+#define isr_v_crd 32
+#define isr_v_sli 33
+#define isr_v_hlt 34
+#define sirr_s_sirr 15
+#define sirr_v_sirr 4
+//  ibox and icache registers, continued
+#define sl_txmit_v_tmt 7
+#define sl_rcv_v_rcv 6
+//  mbox and dcache registers.
+#define alt_mode_v_am0 3
+#define alt_mode_v_am1 4
+#define cc_ctl_v_cc_ena 32
+#define dcperr_stat_v_seo 0
+#define dcperr_stat_v_lock 1
+#define dcperr_stat_v_dp0 2
+#define dcperr_stat_v_dp1 3
+#define dcperr_stat_v_tp0 4
+#define dcperr_stat_v_tp1 5
+//  the following two registers are used exclusively for test and diagnostics.
+//  they should not be referenced in normal operation.
+#define dc_test_ctl_v_bank0 0
+#define dc_test_ctl_v_bank1 1
+#define dc_test_ctl_v_fill_0 2
+#define dc_test_ctl_s_index 10
+#define dc_test_ctl_v_index 3
+#define dc_test_ctl_s_fill_1 19
+#define dc_test_ctl_v_fill_1 13
+#define dc_test_ctl_s_fill_2 32
+#define dc_test_ctl_v_fill_2 32
+//  mbox and dcache registers, continued.
+#define dc_test_tag_v_tag_par 2
+#define dc_test_tag_v_ow0 11
+#define dc_test_tag_v_ow1 12
+#define dc_test_tag_s_tag 26
+#define dc_test_tag_v_tag 13
+#define dc_test_tag_temp_v_tag_par 2
+#define dc_test_tag_temp_v_d0p0 3
+#define dc_test_tag_temp_v_d0p1 4
+#define dc_test_tag_temp_v_d1p0 5
+#define dc_test_tag_temp_v_d1p1 6
+#define dc_test_tag_temp_v_ow0 11
+#define dc_test_tag_temp_v_ow1 12
+#define dc_test_tag_temp_s_tag 26
+#define dc_test_tag_temp_v_tag 13
+#define dtb_asn_s_asn 7
+#define dtb_asn_v_asn 57
+#define dtb_cm_v_cm0 3
+#define dtb_cm_v_cm1 4
+#define dtbis_s_va0 30
+#define dtbis_v_va0 13
+#define dtb_pte_v_for 1
+#define dtb_pte_v_fow 2
+#define dtb_pte_v_asm 4
+#define dtb_pte_s_gh 2
+#define dtb_pte_v_gh 5
+#define dtb_pte_v_kre 8
+#define dtb_pte_v_ere 9
+#define dtb_pte_v_sre 10
+#define dtb_pte_v_ure 11
+#define dtb_pte_v_kwe 12
+#define dtb_pte_v_ewe 13
+#define dtb_pte_v_swe 14
+#define dtb_pte_v_uwe 15
+#define dtb_pte_s_pfn 27
+#define dtb_pte_v_pfn 32
+//  mbox and dcache registers, continued.
+#define dtb_pte_temp_v_for 0
+#define dtb_pte_temp_v_fow 1
+#define dtb_pte_temp_v_kre 2
+#define dtb_pte_temp_v_ere 3
+#define dtb_pte_temp_v_sre 4
+#define dtb_pte_temp_v_ure 5
+#define dtb_pte_temp_v_kwe 6
+#define dtb_pte_temp_v_ewe 7
+#define dtb_pte_temp_v_swe 8
+#define dtb_pte_temp_v_uwe 9
+#define dtb_pte_temp_v_asm 10
+#define dtb_pte_temp_s_fill_0 2
+#define dtb_pte_temp_v_fill_0 11
+#define dtb_pte_temp_s_pfn 27
+#define dtb_pte_temp_v_pfn 13
+#define dtb_tag_s_va 30
+#define dtb_tag_v_va 13
+//  most mcsr bits are used for testability and diagnostics only.
+//  for normal operation, they will be supported in the following configuration:
+//  split_dcache = 1, maf_nomerge = 0, wb_flush_always = 0, wb_nomerge = 0,
+//  dc_ena<1:0> = 1, dc_fhit = 0, dc_bad_parity = 0
+#define mcsr_v_big_endian 0
+#define mcsr_v_sp0 1
+#define mcsr_v_sp1 2
+#define mcsr_v_mbox_sel 3
+#define mcsr_v_e_big_endian 4
+#define mcsr_v_dbg_packet_sel 5
+#define dc_mode_v_dc_ena 0
+#define dc_mode_v_dc_fhit 1
+#define dc_mode_v_dc_bad_parity 2
+#define dc_mode_v_dc_perr_dis 3
+#define dc_mode_v_dc_doa 4
+#define maf_mode_v_maf_nomerge 0
+#define maf_mode_v_wb_flush_always 1
+#define maf_mode_v_wb_nomerge 2
+#define maf_mode_v_io_nomerge 3
+#define maf_mode_v_wb_cnt_disable 4
+#define maf_mode_v_maf_arb_disable 5
+#define maf_mode_v_dread_pending 6
+#define maf_mode_v_wb_pending 7
+//  mbox and dcache registers, continued.
+#define mm_stat_v_wr 0
+#define mm_stat_v_acv 1
+#define mm_stat_v_for 2
+#define mm_stat_v_fow 3
+#define mm_stat_v_dtb_miss 4
+#define mm_stat_v_bad_va 5
+#define mm_stat_s_ra 5
+#define mm_stat_v_ra 6
+#define mm_stat_s_opcode 6
+#define mm_stat_v_opcode 11
+#define mvptbr_s_vptb 31
+#define mvptbr_v_vptb 33
+#define va_form_s_va 30
+#define va_form_v_va 3
+#define va_form_s_vptb 31
+#define va_form_v_vptb 33
+#define va_form_nt_s_va 19
+#define va_form_nt_v_va 3
+//.endm
+
+#endif