* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.

/* $NetBSD: rpb.h,v 1.45 2024/03/31 19:11:21 thorpej Exp $ */

/*
* Copyright (c) 1994, 1995, 1996 Carnegie-Mellon University.
* All rights reserved.
*
* Author: Keith Bostic, Chris G. Demetriou
*
* Permission to use, copy, modify and distribute this software and
* its documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND
* FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or [email protected]
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*/

/*
* From DEC 3000 300/400/500/600/700/800/900 System Programmer's Manual,
* EK-D3SYS-PM.B01.
*/

/*
* HWRPB (Hardware Restart Parameter Block).
*/
#define HWRPB_ADDR 0x10000000 /* virtual address, at boot */

#ifndef ASSEMBLER
struct rpb {
uint64_t rpb_phys; /* 0: HWRPB phys. address. */
char rpb_magic[8]; /* 8: "HWRPB" (in ASCII) */
uint64_t rpb_version; /* 10 */
uint64_t rpb_size; /* 18: HWRPB size in bytes */
uint64_t rpb_primary_cpu_id; /* 20 */
uint64_t rpb_page_size; /* 28: (8192) */
uint32_t rpb_phys_addr_size; /* 30: physical address size */
uint32_t rpb_extended_va_size; /* 34: extended VA size (4L) */
uint64_t rpb_max_asn; /* 38: (16) */
char rpb_ssn[16]; /* 40: only first 10 valid */

#define ST_ADU 1 /* Alpha Demo. Unit (?) */
#define ST_DEC_4000 2 /* "Cobra" */
#define ST_DEC_7000 3 /* "Ruby" */
#define ST_DEC_3000_500 4 /* "Flamingo" family (TC) */
#define ST_DEC_2000_300 6 /* "Jensen" (EISA/ISA) */
#define ST_DEC_3000_300 7 /* "Pelican" (TC) */
#define ST_AVALON_A12 8 /* XXX Avalon Multicomputer */
#define ST_DEC_2100_A500 9 /* "Sable" */
#define ST_DEC_APXVME_64 10 /* "AXPvme" (VME) */
#define ST_DEC_AXPPCI_33 11 /* "NoName" (PCI/ISA) */
#define ST_DEC_21000 12 /* "TurboLaser" (PCI/EISA) */
#define ST_DEC_2100_A50 13 /* "Avanti" (PCI/ISA) */
#define ST_DEC_MUSTANG 14 /* "Mustang" */
#define ST_DEC_KN20AA 15 /* kn20aa (PCI/EISA) */
#define ST_DEC_1000 17 /* "Mikasa" (PCI/EISA) */
#define ST_EB66 19 /* EB66 (PCI/ISA?) */
#define ST_EB64P 20 /* EB64+ (PCI/ISA?) */
#define ST_ALPHABOOK1 21 /* Alphabook1 */
#define ST_DEC_4100 22 /* "Rawhide" (PCI/EISA) */
#define ST_DEC_EV45_PBP 23 /* "Lego" K2 Passive SBC */
#define ST_DEC_2100A_A500 24 /* "Lynx" */
#define ST_DEC_XL 25 /* Alpha XL */
#define ST_EB164 26 /* EB164 (PCI/ISA) */
#define ST_DEC_1000A 27 /* "Noritake" (PCI/EISA)*/
#define ST_DEC_ALPHAVME_224 28 /* "Cortex" */
#define ST_DEC_550 30 /* "Miata" (PCI/ISA) */
#define ST_DEC_XXM 31 /* XXM */
#define ST_DEC_EV56_PBP 32 /* "Takara" */
#define ST_DEC_ALPHAVME_320 33 /* "Yukon" (VME) */
#define ST_DEC_6600 34 /* EV6-Tsunami based systems */
#define ST_DEC_WILDFIRE 35 /* "Wildfire" */
#define ST_DEC_CUSCO 36 /* "CUSCO" */
#define ST_DEC_EIGER 37 /* "Eiger" */
#define ST_DEC_TITAN 38 /* "Titan" */
#define ST_DEC_MARVEL 39 /* "Marvel" */

/* DTI systypes */
#define ST_DTI_RUFFIAN 101 /* EV56-Pyxis + ARC? */

/* Alpha Processor, Inc. systypes */
#define ST_API_NAUTILUS 201 /* EV6-AMD 751 UP1000 */

uint64_t rpb_type; /* 50: */

#define SV_MPCAP 0x00000001 /* multiprocessor capable */

#define SV_CONSOLE 0x0000001e /* console hardware mask */
#define SV_CONSOLE_DETACHED 0x00000002
#define SV_CONSOLE_EMBEDDED 0x00000004

#define SV_POWERFAIL 0x000000e0 /* powerfail mask */
#define SV_PF_UNITED 0x00000020
#define SV_PF_SEPARATE 0x00000040
#define SV_PF_BBACKUP 0x00000060
#define SV_PF_ACTION 0x00000100 /* powerfail restart */

#define SV_GRAPHICS 0x00000200 /* graphic engine present */

#define SV_ST_MASK 0x0000fc00 /* system type mask */
#define SV_ST_RESERVED 0x00000000 /* RESERVED */

/*
* System types for the DEC 3000/500 (Flamingo) Family
*/
#define SV_ST_SANDPIPER 0x00000400 /* Sandpiper; 3000/400 */
#define SV_ST_FLAMINGO 0x00000800 /* Flamingo; 3000/500 */
#define SV_ST_HOTPINK 0x00000c00 /* "Hot Pink"; 3000/500X */
#define SV_ST_FLAMINGOPLUS 0x00001000 /* Flamingo+; 3000/800 */
#define SV_ST_ULTRA 0x00001400 /* "Ultra", aka Flamingo+ */
#define SV_ST_SANDPLUS 0x00001800 /* Sandpiper+; 3000/600 */
#define SV_ST_SANDPIPER45 0x00001c00 /* Sandpiper45; 3000/700 */
#define SV_ST_FLAMINGO45 0x00002000 /* Flamingo45; 3000/900 */

/*
* System types for ???
*/
#define SV_ST_SABLE 0x00000400 /* Sable (???) */

/*
* System types for the DEC 3000/300 (Pelican) Family
*/
#define SV_ST_PELICAN 0x00000000 /* Pelican; 3000/300 */
#define SV_ST_PELICA 0x00000400 /* Pelica; 3000/300L */
#define SV_ST_PELICANPLUS 0x00000800 /* Pelican+; 3000/300X */
#define SV_ST_PELICAPLUS 0x00000c00 /* Pelica+; 3000/300LX */

/*
* System types for the AlphaStation Family
*/
#define SV_ST_AVANTI 0x00000000 /* Avanti; 400 4/233 */
#define SV_ST_MUSTANG2_4_166 0x00000800 /* Mustang II; 200 4/166 */
#define SV_ST_MUSTANG2_4_233 0x00001000 /* Mustang II; 200 4/233 */
#define SV_ST_AVANTI_XXX 0x00001400 /* also Avanti; 400 4/233 */
#define SV_ST_AVANTI_4_266 0x00002000
#define SV_ST_MUSTANG2_4_100 0x00002400 /* Mustang II; 200 4/100 */
#define SV_ST_AVANTI_4_233 0x0000a800 /* AlphaStation 255/233 */

#define SV_ST_KN20AA 0x00000400 /* AlphaStation 500/600 */

/*
* System types for the AXPvme Family
*/
#define SV_ST_AXPVME_64 0x00000000 /* 21068, 64MHz */
#define SV_ST_AXPVME_160 0x00000400 /* 21066, 160MHz */
#define SV_ST_AXPVME_100 0x00000c00 /* 21066A, 99MHz */
#define SV_ST_AXPVME_230 0x00001000 /* 21066A, 231MHz */
#define SV_ST_AXPVME_66 0x00001400 /* 21066A, 66MHz */
#define SV_ST_AXPVME_166 0x00001800 /* 21066A, 165MHz */
#define SV_ST_AXPVME_264 0x00001c00 /* 21066A, 264MHz */

/*
* System types for the EB164 Family
*/
#define SV_ST_EB164_266 0x00000400 /* EB164, 266MHz */
#define SV_ST_EB164_300 0x00000800 /* EB164, 300MHz */
#define SV_ST_ALPHAPC164_366 0x00000c00 /* AlphaPC164, 366MHz */
#define SV_ST_ALPHAPC164_400 0x00001000 /* AlphaPC164, 400MHz */
#define SV_ST_ALPHAPC164_433 0x00001400 /* AlphaPC164, 433MHz */
#define SV_ST_ALPHAPC164_466 0x00001800 /* AlphaPC164, 466MHz */
#define SV_ST_ALPHAPC164_500 0x00001c00 /* AlphaPC164, 500MHz */
#define SV_ST_ALPHAPC164LX_400 0x00002000 /* AlphaPC164LX, 400MHz */
#define SV_ST_ALPHAPC164LX_466 0x00002400 /* AlphaPC164LX, 466MHz */
#define SV_ST_ALPHAPC164LX_533 0x00002800 /* AlphaPC164LX, 533MHz */
#define SV_ST_ALPHAPC164LX_600 0x00002c00 /* AlphaPC164LX, 600MHz */
#define SV_ST_ALPHAPC164SX_400 0x00003000 /* AlphaPC164SX, 400MHz */
#define SV_ST_ALPHAPC164SX_466 0x00003400 /* AlphaPC164SX, 433MHz */
#define SV_ST_ALPHAPC164SX_533 0x00003800 /* AlphaPC164SX, 533MHz */
#define SV_ST_ALPHAPC164SX_600 0x00003c00 /* AlphaPC164SX, 600MHz */

/*
* System types for the Digital Personal Workstation (Miata) Family
* XXX These are not very complete!
*/
#define SV_ST_MIATA_1_5 0x00004c00 /* Miata 1.5 */

/*
* System types for the Tsunami family.
* XXX These are not very complete!
*/
#define SV_ST_DP264 0x00000400 /* AlphaPC DP264 */
#define SV_ST_WARHOL 0x00000800
#define SV_ST_WINDJAMMER 0x00000c00
#define SV_ST_MONET 0x00001000
#define SV_ST_CLIPPER 0x00001400 /* AlphaServer ES40 */
#define SV_ST_GOLDRUSH 0x00001800 /* AlphaServer DS20 */
#define SV_ST_WEBBRICK 0x00001c00 /* AlphaServer DS10 */
#define SV_ST_CATAMARAN 0x00002000
#define SV_ST_BRISBANE 0x00002400
#define SV_ST_MALBOURNE 0x00002800
#define SV_ST_FLYINGCLIPPER 0x00002c00
#define SV_ST_SHARK 0x00003000 /* AlphaServer DS20L */

uint64_t rpb_variation; /* 58 */

char rpb_revision[8]; /* 60; only first 4 valid */
uint64_t rpb_intr_freq; /* 68; scaled by 4096 */
uint64_t rpb_cc_freq; /* 70: cycle cntr frequency */
u_long rpb_vptb; /* 78: virtual page tbl base */
uint64_t rpb_reserved_arch; /* 80: */
u_long rpb_tbhint_off; /* 88: */
uint64_t rpb_pcs_cnt; /* 90: */
uint64_t rpb_pcs_size; /* 98; pcs size in bytes */
u_long rpb_pcs_off; /* A0: offset to pcs info */
uint64_t rpb_ctb_cnt; /* A8: console terminal */
uint64_t rpb_ctb_size; /* B0: ctb size in bytes */
u_long rpb_ctb_off; /* B8: offset to ctb */
u_long rpb_crb_off; /* C0: offset to crb */
u_long rpb_memdat_off; /* C8: memory data offset */
u_long rpb_condat_off; /* D0: config data offset */
u_long rpb_fru_off; /* D8: FRU table offset */
uint64_t rpb_save_term; /* E0: terminal save */
uint64_t rpb_save_term_val; /* E8: */
uint64_t rpb_rest_term; /* F0: terminal restore */
uint64_t rpb_rest_term_val; /* F8: */
uint64_t rpb_restart; /* 100: restart */
uint64_t rpb_restart_val; /* 108: */
uint64_t rpb_reserve_os; /* 110: */
uint64_t rpb_reserve_hw; /* 118: */
uint64_t rpb_checksum; /* 120: HWRPB checksum */
uint64_t rpb_rxrdy; /* 128: receive ready */
uint64_t rpb_txrdy; /* 130: transmit ready */
u_long rpb_dsrdb_off; /* 138: HWRPB + DSRDB offset */
uint64_t rpb_tbhint[8]; /* 149: TB hint block */
};

#define LOCATE_PCS(h,cpunumber) ((struct pcs *) \
((char *)(h) + (h)->rpb_pcs_off + ((cpunumber) * (h)->rpb_pcs_size)))

/*
* PCS: Per-CPU information.
*/
struct pcs {
uint8_t pcs_hwpcb[128]; /* 0: PAL dependent */

#define PCS_BIP 0x000001 /* boot in progress */
#define PCS_RC 0x000002 /* restart possible */
#define PCS_PA 0x000004 /* processor available */
#define PCS_PP 0x000008 /* processor present */
#define PCS_OH 0x000010 /* user halted */
#define PCS_CV 0x000020 /* context valid */
#define PCS_PV 0x000040 /* PALcode valid */
#define PCS_PMV 0x000080 /* PALcode memory valid */
#define PCS_PL 0x000100 /* PALcode loaded */

#define PCS_HALT_REQ 0xff0000 /* halt request mask */
#define PCS_HALT_DEFAULT 0x000000
#define PCS_HALT_SAVE_EXIT 0x010000
#define PCS_HALT_COLD_BOOT 0x020000
#define PCS_HALT_WARM_BOOT 0x030000
#define PCS_HALT_STAY_HALTED 0x040000
#define PCS_mbz 0xffffffffff000000 /* 24:63 -- must be zero */
uint64_t pcs_flags; /* 80: */

uint64_t pcs_pal_memsize; /* 88: PAL memory size */
uint64_t pcs_pal_scrsize; /* 90: PAL scratch size */
u_long pcs_pal_memaddr; /* 98: PAL memory addr */
u_long pcs_pal_scraddr; /* A0: PAL scratch addr */
struct {
uint64_t
minorrev : 8, /* alphabetic char 'a' - 'z' */
majorrev : 8, /* alphabetic char 'a' - 'z' */
#define PAL_TYPE_STANDARD 0
#define PAL_TYPE_VMS 1
#define PAL_TYPE_OSF1 2
pal_type : 8, /* PALcode type:
* 0 == standard
* 1 == OpenVMS
* 2 == OSF/1
* 3-127 DIGITAL reserv.
* 128-255 non-DIGITAL reserv.
*/
sbz1 : 8,
compatibility : 16, /* Compatibility revision */
proc_cnt : 16; /* Processor count */
} pcs_pal_rev; /* A8: */
#define pcs_minorrev pcs_pal_rev.minorrev
#define pcs_majorrev pcs_pal_rev.majorrev
#define pcs_pal_type pcs_pal_rev.pal_type
#define pcs_compatibility pcs_pal_rev.compatibility
#define pcs_proc_cnt pcs_pal_rev.proc_cnt

uint64_t pcs_proc_type; /* B0: processor type */

#define PCS_PROC_EV3 1 /* EV3 */
#define PCS_PROC_EV4 2 /* EV4: 21064 */
#define PCS_PROC_SIMULATION 3 /* Simulation */
#define PCS_PROC_LCA4 4 /* LCA4: 2106[68] */
#define PCS_PROC_EV5 5 /* EV5: 21164 */
#define PCS_PROC_EV45 6 /* EV45: 21064A */
#define PCS_PROC_EV56 7 /* EV56: 21164A */
#define PCS_PROC_EV6 8 /* EV6: 21264 */
#define PCS_PROC_PCA56 9 /* PCA56: 21164PC */
#define PCS_PROC_PCA57 10 /* PCA57: 21164?? */
#define PCS_PROC_EV67 11 /* EV67: 21246A */
#define PCS_PROC_EV68CB 12 /* EV68CB: 21264C */
#define PCS_PROC_EV68AL 13 /* EV68AL: 21264B */
#define PCS_PROC_EV68CX 14 /* EV68CX: 21264D */
#define PCS_PROC_EV7 15 /* EV7: 21364 */
#define PCS_PROC_EV79 16 /* EV79: 21364?? */
#define PCS_PROC_EV69 17 /* EV69: 21264/EV69A */

#define PCS_CPU_MAJORTYPE(p) ((p)->pcs_proc_type & 0xffffffff)
#define PCS_CPU_MINORTYPE(p) ((p)->pcs_proc_type >> 32)

/* Minor number interpretation is processor specific. See cpu.c. */

uint64_t pcs_proc_var; /* B8: processor variation. */

#define PCS_VAR_VAXFP 0x0000000000000001 /* VAX FP support */
#define PCS_VAR_IEEEFP 0x0000000000000002 /* IEEE FP support */
#define PCS_VAR_PE 0x0000000000000004 /* Primary Eligible */
#define PCS_VAR_RESERVED 0xfffffffffffffff8 /* Reserved */

char pcs_proc_revision[8]; /* C0: only first 4 valid */
char pcs_proc_sn[16]; /* C8: only first 10 valid */
u_long pcs_machcheck; /* D8: mach chk phys addr. */
uint64_t pcs_machcheck_len; /* E0: length in bytes */
u_long pcs_halt_pcbb; /* E8: phys addr of halt PCB */
u_long pcs_halt_pc; /* F0: halt PC */
uint64_t pcs_halt_ps; /* F8: halt PS */
uint64_t pcs_halt_r25; /* 100: halt argument list */
uint64_t pcs_halt_r26; /* 108: halt return addr list */
uint64_t pcs_halt_r27; /* 110: halt procedure value */

#define PCS_HALT_RESERVED 0
#define PCS_HALT_POWERUP 1
#define PCS_HALT_CONSOLE_HALT 2
#define PCS_HALT_CONSOLE_CRASH 3
#define PCS_HALT_KERNEL_MODE 4
#define PCS_HALT_KERNEL_STACK_INVALID 5
#define PCS_HALT_DOUBLE_ERROR_ABORT 6
#define PCS_HALT_SCBB 7
#define PCS_HALT_PTBR 8 /* 9-FF: reserved */
uint64_t pcs_halt_reason; /* 118: */

uint64_t pcs_reserved_soft; /* 120: preserved software */

struct { /* 128: inter-console buffers */
u_int iccb_rxlen;
u_int iccb_txlen;
char iccb_rxbuf[80];
char iccb_txbuf[80];
} pcs_iccb;

#define PALvar_reserved 0
#define PALvar_OpenVMS 1
#define PALvar_OSF1 2
uint64_t pcs_palrevisions[16]; /* 1D0: PALcode revisions */

uint64_t pcs_reserved_arch[6]; /* 250: reserved arch */
};

/*
* CTB: Console Terminal Block
*/
struct ctb {
uint64_t ctb_type; /* 0: CTB type */
uint64_t ctb_unit; /* 8: */
uint64_t ctb_reserved; /* 16: */
uint64_t ctb_len; /* 24: bytes of info */
uint64_t ctb_ipl; /* 32: console ipl level */
u_long ctb_tintr_vec; /* 40: transmit vec (0x800) */
u_long ctb_rintr_vec; /* 48: receive vec (0x800) */

#define CTB_NONE 0x00 /* no console present */
#define CTB_SERVICE 0x01 /* service processor */
#define CTB_PRINTERPORT 0x02 /* printer port on the SCC */
#define CTB_GRAPHICS 0x03 /* graphics device */
#define CTB_TYPE4 0x04 /* type 4 CTB */
#define CTB_NETWORK 0xC0 /* network device */
uint64_t ctb_term_type; /* 56: terminal type */

uint64_t ctb_keybd_type; /* 64: keyboard nationality */
u_long ctb_keybd_trans; /* 72: trans. table addr */
u_long ctb_keybd_map; /* 80: map table addr */
uint64_t ctb_keybd_state; /* 88: keyboard flags */
uint64_t ctb_keybd_last; /* 96: last key entered */
u_long ctb_font_us; /* 104: US font table addr */
u_long ctb_font_mcs; /* 112: MCS font table addr */
uint64_t ctb_font_width; /* 120: font width, height */
uint64_t ctb_font_height; /* 128: in pixels */
uint64_t ctb_mon_width; /* 136: monitor width, height */
uint64_t ctb_mon_height; /* 144: in pixels */
uint64_t ctb_dpi; /* 152: monitor dots per inch */
uint64_t ctb_planes; /* 160: # of planes */
uint64_t ctb_cur_width; /* 168: cursor width, height */
uint64_t ctb_cur_height; /* 176: in pixels */
uint64_t ctb_head_cnt; /* 184: # of heads */
uint64_t ctb_opwindow; /* 192: opwindow on screen */
u_long ctb_head_offset; /* 200: offset to head info */
u_long ctb_putchar; /* 208: output char to TURBO */
uint64_t ctb_io_state; /* 216: I/O flags */
uint64_t ctb_listen_state; /* 224: listener flags */
u_long ctb_xaddr; /* 232: extended info addr */
uint64_t ctb_turboslot; /* 248: TURBOchannel slot # */
uint64_t ctb_server_off; /* 256: offset to server info */
uint64_t ctb_line_off; /* 264: line parameter offset */
uint8_t ctb_csd; /* 272: console specific data */
};

struct ctb_tt {
uint64_t ctb_type; /* 0: CTB type */
uint64_t ctb_unit; /* 8: console unit */
uint64_t ctb_reserved; /* 16: reserved */
uint64_t ctb_length; /* 24: length */
uint64_t ctb_csr; /* 32: address */
uint64_t ctb_tivec; /* 40: Tx intr vector */
uint64_t ctb_rivec; /* 48: Rx intr vector */
uint64_t ctb_baud; /* 56: baud rate */
uint64_t ctb_put_sts; /* 64: PUTS status */
uint64_t ctb_get_sts; /* 72: GETS status */
uint64_t ctb_reserved0; /* 80: reserved */
};

/*
* Format of the Console Terminal Block Type 4 `turboslot' field:
*
* 63 40 39 32 31 24 23 16 15 8 7 0
* | reserved | channel | hose | bus type | bus | slot|
*/
#define CTB_TURBOSLOT_CHANNEL(x) (((x) >> 32) & 0xff)
#define CTB_TURBOSLOT_HOSE(x) (((x) >> 24) & 0xff)
#define CTB_TURBOSLOT_TYPE(x) (((x) >> 16) & 0xff)
#define CTB_TURBOSLOT_BUS(x) (((x) >> 8) & 0xff)
#define CTB_TURBOSLOT_SLOT(x) ((x) & 0xff)

#define CTB_TURBOSLOT_TYPE_TC 0 /* TURBOchannel */
#define CTB_TURBOSLOT_TYPE_ISA 1 /* ISA */
#define CTB_TURBOSLOT_TYPE_EISA 2 /* EISA */
#define CTB_TURBOSLOT_TYPE_PCI 3 /* PCI */

/*
* CRD: Console Routine Descriptor
*/
struct crd {
int64_t descriptor;
uint64_t entry_va;
};

/*
* CRB: Console Routine Block
*/
struct crb {
struct crd *crb_v_dispatch; /* 0: virtual dispatch addr */
u_long crb_p_dispatch; /* 8: phys dispatch addr */
struct crd *crb_v_fixup; /* 10: virtual fixup addr */
u_long crb_p_fixup; /* 18: phys fixup addr */
uint64_t crb_map_cnt; /* 20: phys/virt map entries */
uint64_t crb_page_cnt; /* 28: pages to be mapped */
};

/*
* MDDT: Memory Data Descriptor Table
*/
struct mddt {
int64_t mddt_cksum; /* 0: 7-N checksum */
u_long mddt_physaddr; /* 8: bank config addr
* IMPLEMENTATION SPECIFIC
*/
uint64_t mddt_cluster_cnt; /* 10: memory cluster count */
struct mddt_cluster {
u_long mddt_pfn; /* 0: starting PFN */
uint64_t mddt_pg_cnt; /* 8: 8KB page count */
uint64_t mddt_pg_test; /* 10: tested page count */
u_long mddt_v_bitaddr; /* 18: bitmap virt addr */
u_long mddt_p_bitaddr; /* 20: bitmap phys addr */
int64_t mddt_bit_cksum; /* 28: bitmap checksum */

#define MDDT_NONVOLATILE 0x10 /* cluster is non-volatile */
#define MDDT_PALCODE 0x01 /* console and PAL only */
#define MDDT_SYSTEM 0x00 /* system software only */
#define MDDT_mbz 0xfffffffffffffffc /* 2:63 -- must be zero */
int64_t mddt_usage; /* 30: bitmap permissions */
} mddt_clusters[1]; /* variable length array */
};

/*
* DSR: Dynamic System Recognition. We're interested in the sysname
* offset. The data pointed to by sysname is:
*
* [8 bytes: length of system name][N bytes: system name string]
*
* The system name string is NUL-terminated.
*/
struct dsrdb {
int64_t dsr_smm; /* 0: SMM number */
uint64_t dsr_lurt_off; /* 8: LURT table offset */
uint64_t dsr_sysname_off; /* 16: offset to sysname */
};

/*
* The DSR appeared in version 5 of the HWRPB.
*/
#define HWRPB_DSRDB_MINVERS 5

#ifdef _KERNEL
extern int cputype;
extern struct rpb *hwrpb;
#endif

#endif /* ASSEMBLER */